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This commit is contained in:
Tulir Asokan
2018-08-26 17:29:51 +03:00
parent 941ab724c6
commit a6ebc50f6d
499 changed files with 462188 additions and 2 deletions
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3
vendor/golang.org/x/crypto/AUTHORS generated vendored Normal file
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# This source code refers to The Go Authors for copyright purposes.
# The master list of authors is in the main Go distribution,
# visible at https://tip.golang.org/AUTHORS.

3
vendor/golang.org/x/crypto/CONTRIBUTORS generated vendored Normal file
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# This source code was written by the Go contributors.
# The master list of contributors is in the main Go distribution,
# visible at https://tip.golang.org/CONTRIBUTORS.

27
vendor/golang.org/x/crypto/LICENSE generated vendored Normal file
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Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

22
vendor/golang.org/x/crypto/PATENTS generated vendored Normal file
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Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the Go project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go
shall terminate as of the date such litigation is filed.

8
vendor/golang.org/x/crypto/curve25519/const_amd64.h generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: https://bench.cr.yp.to/supercop.html
#define REDMASK51 0x0007FFFFFFFFFFFF

20
vendor/golang.org/x/crypto/curve25519/const_amd64.s generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: https://bench.cr.yp.to/supercop.html
// +build amd64,!gccgo,!appengine
// These constants cannot be encoded in non-MOVQ immediates.
// We access them directly from memory instead.
DATA ·_121666_213(SB)/8, $996687872
GLOBL ·_121666_213(SB), 8, $8
DATA ·_2P0(SB)/8, $0xFFFFFFFFFFFDA
GLOBL ·_2P0(SB), 8, $8
DATA ·_2P1234(SB)/8, $0xFFFFFFFFFFFFE
GLOBL ·_2P1234(SB), 8, $8

65
vendor/golang.org/x/crypto/curve25519/cswap_amd64.s generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build amd64,!gccgo,!appengine
// func cswap(inout *[4][5]uint64, v uint64)
TEXT ·cswap(SB),7,$0
MOVQ inout+0(FP),DI
MOVQ v+8(FP),SI
SUBQ $1, SI
NOTQ SI
MOVQ SI, X15
PSHUFD $0x44, X15, X15
MOVOU 0(DI), X0
MOVOU 16(DI), X2
MOVOU 32(DI), X4
MOVOU 48(DI), X6
MOVOU 64(DI), X8
MOVOU 80(DI), X1
MOVOU 96(DI), X3
MOVOU 112(DI), X5
MOVOU 128(DI), X7
MOVOU 144(DI), X9
MOVO X1, X10
MOVO X3, X11
MOVO X5, X12
MOVO X7, X13
MOVO X9, X14
PXOR X0, X10
PXOR X2, X11
PXOR X4, X12
PXOR X6, X13
PXOR X8, X14
PAND X15, X10
PAND X15, X11
PAND X15, X12
PAND X15, X13
PAND X15, X14
PXOR X10, X0
PXOR X10, X1
PXOR X11, X2
PXOR X11, X3
PXOR X12, X4
PXOR X12, X5
PXOR X13, X6
PXOR X13, X7
PXOR X14, X8
PXOR X14, X9
MOVOU X0, 0(DI)
MOVOU X2, 16(DI)
MOVOU X4, 32(DI)
MOVOU X6, 48(DI)
MOVOU X8, 64(DI)
MOVOU X1, 80(DI)
MOVOU X3, 96(DI)
MOVOU X5, 112(DI)
MOVOU X7, 128(DI)
MOVOU X9, 144(DI)
RET

834
vendor/golang.org/x/crypto/curve25519/curve25519.go generated vendored Normal file
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// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// We have an implementation in amd64 assembly so this code is only run on
// non-amd64 platforms. The amd64 assembly does not support gccgo.
// +build !amd64 gccgo appengine
package curve25519
import (
"encoding/binary"
)
// This code is a port of the public domain, "ref10" implementation of
// curve25519 from SUPERCOP 20130419 by D. J. Bernstein.
// fieldElement represents an element of the field GF(2^255 - 19). An element
// t, entries t[0]...t[9], represents the integer t[0]+2^26 t[1]+2^51 t[2]+2^77
// t[3]+2^102 t[4]+...+2^230 t[9]. Bounds on each t[i] vary depending on
// context.
type fieldElement [10]int32
func feZero(fe *fieldElement) {
for i := range fe {
fe[i] = 0
}
}
func feOne(fe *fieldElement) {
feZero(fe)
fe[0] = 1
}
func feAdd(dst, a, b *fieldElement) {
for i := range dst {
dst[i] = a[i] + b[i]
}
}
func feSub(dst, a, b *fieldElement) {
for i := range dst {
dst[i] = a[i] - b[i]
}
}
func feCopy(dst, src *fieldElement) {
for i := range dst {
dst[i] = src[i]
}
}
// feCSwap replaces (f,g) with (g,f) if b == 1; replaces (f,g) with (f,g) if b == 0.
//
// Preconditions: b in {0,1}.
func feCSwap(f, g *fieldElement, b int32) {
b = -b
for i := range f {
t := b & (f[i] ^ g[i])
f[i] ^= t
g[i] ^= t
}
}
// load3 reads a 24-bit, little-endian value from in.
func load3(in []byte) int64 {
var r int64
r = int64(in[0])
r |= int64(in[1]) << 8
r |= int64(in[2]) << 16
return r
}
// load4 reads a 32-bit, little-endian value from in.
func load4(in []byte) int64 {
return int64(binary.LittleEndian.Uint32(in))
}
func feFromBytes(dst *fieldElement, src *[32]byte) {
h0 := load4(src[:])
h1 := load3(src[4:]) << 6
h2 := load3(src[7:]) << 5
h3 := load3(src[10:]) << 3
h4 := load3(src[13:]) << 2
h5 := load4(src[16:])
h6 := load3(src[20:]) << 7
h7 := load3(src[23:]) << 5
h8 := load3(src[26:]) << 4
h9 := load3(src[29:]) << 2
var carry [10]int64
carry[9] = (h9 + 1<<24) >> 25
h0 += carry[9] * 19
h9 -= carry[9] << 25
carry[1] = (h1 + 1<<24) >> 25
h2 += carry[1]
h1 -= carry[1] << 25
carry[3] = (h3 + 1<<24) >> 25
h4 += carry[3]
h3 -= carry[3] << 25
carry[5] = (h5 + 1<<24) >> 25
h6 += carry[5]
h5 -= carry[5] << 25
carry[7] = (h7 + 1<<24) >> 25
h8 += carry[7]
h7 -= carry[7] << 25
carry[0] = (h0 + 1<<25) >> 26
h1 += carry[0]
h0 -= carry[0] << 26
carry[2] = (h2 + 1<<25) >> 26
h3 += carry[2]
h2 -= carry[2] << 26
carry[4] = (h4 + 1<<25) >> 26
h5 += carry[4]
h4 -= carry[4] << 26
carry[6] = (h6 + 1<<25) >> 26
h7 += carry[6]
h6 -= carry[6] << 26
carry[8] = (h8 + 1<<25) >> 26
h9 += carry[8]
h8 -= carry[8] << 26
dst[0] = int32(h0)
dst[1] = int32(h1)
dst[2] = int32(h2)
dst[3] = int32(h3)
dst[4] = int32(h4)
dst[5] = int32(h5)
dst[6] = int32(h6)
dst[7] = int32(h7)
dst[8] = int32(h8)
dst[9] = int32(h9)
}
// feToBytes marshals h to s.
// Preconditions:
// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
//
// Write p=2^255-19; q=floor(h/p).
// Basic claim: q = floor(2^(-255)(h + 19 2^(-25)h9 + 2^(-1))).
//
// Proof:
// Have |h|<=p so |q|<=1 so |19^2 2^(-255) q|<1/4.
// Also have |h-2^230 h9|<2^230 so |19 2^(-255)(h-2^230 h9)|<1/4.
//
// Write y=2^(-1)-19^2 2^(-255)q-19 2^(-255)(h-2^230 h9).
// Then 0<y<1.
//
// Write r=h-pq.
// Have 0<=r<=p-1=2^255-20.
// Thus 0<=r+19(2^-255)r<r+19(2^-255)2^255<=2^255-1.
//
// Write x=r+19(2^-255)r+y.
// Then 0<x<2^255 so floor(2^(-255)x) = 0 so floor(q+2^(-255)x) = q.
//
// Have q+2^(-255)x = 2^(-255)(h + 19 2^(-25) h9 + 2^(-1))
// so floor(2^(-255)(h + 19 2^(-25) h9 + 2^(-1))) = q.
func feToBytes(s *[32]byte, h *fieldElement) {
var carry [10]int32
q := (19*h[9] + (1 << 24)) >> 25
q = (h[0] + q) >> 26
q = (h[1] + q) >> 25
q = (h[2] + q) >> 26
q = (h[3] + q) >> 25
q = (h[4] + q) >> 26
q = (h[5] + q) >> 25
q = (h[6] + q) >> 26
q = (h[7] + q) >> 25
q = (h[8] + q) >> 26
q = (h[9] + q) >> 25
// Goal: Output h-(2^255-19)q, which is between 0 and 2^255-20.
h[0] += 19 * q
// Goal: Output h-2^255 q, which is between 0 and 2^255-20.
carry[0] = h[0] >> 26
h[1] += carry[0]
h[0] -= carry[0] << 26
carry[1] = h[1] >> 25
h[2] += carry[1]
h[1] -= carry[1] << 25
carry[2] = h[2] >> 26
h[3] += carry[2]
h[2] -= carry[2] << 26
carry[3] = h[3] >> 25
h[4] += carry[3]
h[3] -= carry[3] << 25
carry[4] = h[4] >> 26
h[5] += carry[4]
h[4] -= carry[4] << 26
carry[5] = h[5] >> 25
h[6] += carry[5]
h[5] -= carry[5] << 25
carry[6] = h[6] >> 26
h[7] += carry[6]
h[6] -= carry[6] << 26
carry[7] = h[7] >> 25
h[8] += carry[7]
h[7] -= carry[7] << 25
carry[8] = h[8] >> 26
h[9] += carry[8]
h[8] -= carry[8] << 26
carry[9] = h[9] >> 25
h[9] -= carry[9] << 25
// h10 = carry9
// Goal: Output h[0]+...+2^255 h10-2^255 q, which is between 0 and 2^255-20.
// Have h[0]+...+2^230 h[9] between 0 and 2^255-1;
// evidently 2^255 h10-2^255 q = 0.
// Goal: Output h[0]+...+2^230 h[9].
s[0] = byte(h[0] >> 0)
s[1] = byte(h[0] >> 8)
s[2] = byte(h[0] >> 16)
s[3] = byte((h[0] >> 24) | (h[1] << 2))
s[4] = byte(h[1] >> 6)
s[5] = byte(h[1] >> 14)
s[6] = byte((h[1] >> 22) | (h[2] << 3))
s[7] = byte(h[2] >> 5)
s[8] = byte(h[2] >> 13)
s[9] = byte((h[2] >> 21) | (h[3] << 5))
s[10] = byte(h[3] >> 3)
s[11] = byte(h[3] >> 11)
s[12] = byte((h[3] >> 19) | (h[4] << 6))
s[13] = byte(h[4] >> 2)
s[14] = byte(h[4] >> 10)
s[15] = byte(h[4] >> 18)
s[16] = byte(h[5] >> 0)
s[17] = byte(h[5] >> 8)
s[18] = byte(h[5] >> 16)
s[19] = byte((h[5] >> 24) | (h[6] << 1))
s[20] = byte(h[6] >> 7)
s[21] = byte(h[6] >> 15)
s[22] = byte((h[6] >> 23) | (h[7] << 3))
s[23] = byte(h[7] >> 5)
s[24] = byte(h[7] >> 13)
s[25] = byte((h[7] >> 21) | (h[8] << 4))
s[26] = byte(h[8] >> 4)
s[27] = byte(h[8] >> 12)
s[28] = byte((h[8] >> 20) | (h[9] << 6))
s[29] = byte(h[9] >> 2)
s[30] = byte(h[9] >> 10)
s[31] = byte(h[9] >> 18)
}
// feMul calculates h = f * g
// Can overlap h with f or g.
//
// Preconditions:
// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
// |g| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
//
// Postconditions:
// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
//
// Notes on implementation strategy:
//
// Using schoolbook multiplication.
// Karatsuba would save a little in some cost models.
//
// Most multiplications by 2 and 19 are 32-bit precomputations;
// cheaper than 64-bit postcomputations.
//
// There is one remaining multiplication by 19 in the carry chain;
// one *19 precomputation can be merged into this,
// but the resulting data flow is considerably less clean.
//
// There are 12 carries below.
// 10 of them are 2-way parallelizable and vectorizable.
// Can get away with 11 carries, but then data flow is much deeper.
//
// With tighter constraints on inputs can squeeze carries into int32.
func feMul(h, f, g *fieldElement) {
f0 := f[0]
f1 := f[1]
f2 := f[2]
f3 := f[3]
f4 := f[4]
f5 := f[5]
f6 := f[6]
f7 := f[7]
f8 := f[8]
f9 := f[9]
g0 := g[0]
g1 := g[1]
g2 := g[2]
g3 := g[3]
g4 := g[4]
g5 := g[5]
g6 := g[6]
g7 := g[7]
g8 := g[8]
g9 := g[9]
g1_19 := 19 * g1 // 1.4*2^29
g2_19 := 19 * g2 // 1.4*2^30; still ok
g3_19 := 19 * g3
g4_19 := 19 * g4
g5_19 := 19 * g5
g6_19 := 19 * g6
g7_19 := 19 * g7
g8_19 := 19 * g8
g9_19 := 19 * g9
f1_2 := 2 * f1
f3_2 := 2 * f3
f5_2 := 2 * f5
f7_2 := 2 * f7
f9_2 := 2 * f9
f0g0 := int64(f0) * int64(g0)
f0g1 := int64(f0) * int64(g1)
f0g2 := int64(f0) * int64(g2)
f0g3 := int64(f0) * int64(g3)
f0g4 := int64(f0) * int64(g4)
f0g5 := int64(f0) * int64(g5)
f0g6 := int64(f0) * int64(g6)
f0g7 := int64(f0) * int64(g7)
f0g8 := int64(f0) * int64(g8)
f0g9 := int64(f0) * int64(g9)
f1g0 := int64(f1) * int64(g0)
f1g1_2 := int64(f1_2) * int64(g1)
f1g2 := int64(f1) * int64(g2)
f1g3_2 := int64(f1_2) * int64(g3)
f1g4 := int64(f1) * int64(g4)
f1g5_2 := int64(f1_2) * int64(g5)
f1g6 := int64(f1) * int64(g6)
f1g7_2 := int64(f1_2) * int64(g7)
f1g8 := int64(f1) * int64(g8)
f1g9_38 := int64(f1_2) * int64(g9_19)
f2g0 := int64(f2) * int64(g0)
f2g1 := int64(f2) * int64(g1)
f2g2 := int64(f2) * int64(g2)
f2g3 := int64(f2) * int64(g3)
f2g4 := int64(f2) * int64(g4)
f2g5 := int64(f2) * int64(g5)
f2g6 := int64(f2) * int64(g6)
f2g7 := int64(f2) * int64(g7)
f2g8_19 := int64(f2) * int64(g8_19)
f2g9_19 := int64(f2) * int64(g9_19)
f3g0 := int64(f3) * int64(g0)
f3g1_2 := int64(f3_2) * int64(g1)
f3g2 := int64(f3) * int64(g2)
f3g3_2 := int64(f3_2) * int64(g3)
f3g4 := int64(f3) * int64(g4)
f3g5_2 := int64(f3_2) * int64(g5)
f3g6 := int64(f3) * int64(g6)
f3g7_38 := int64(f3_2) * int64(g7_19)
f3g8_19 := int64(f3) * int64(g8_19)
f3g9_38 := int64(f3_2) * int64(g9_19)
f4g0 := int64(f4) * int64(g0)
f4g1 := int64(f4) * int64(g1)
f4g2 := int64(f4) * int64(g2)
f4g3 := int64(f4) * int64(g3)
f4g4 := int64(f4) * int64(g4)
f4g5 := int64(f4) * int64(g5)
f4g6_19 := int64(f4) * int64(g6_19)
f4g7_19 := int64(f4) * int64(g7_19)
f4g8_19 := int64(f4) * int64(g8_19)
f4g9_19 := int64(f4) * int64(g9_19)
f5g0 := int64(f5) * int64(g0)
f5g1_2 := int64(f5_2) * int64(g1)
f5g2 := int64(f5) * int64(g2)
f5g3_2 := int64(f5_2) * int64(g3)
f5g4 := int64(f5) * int64(g4)
f5g5_38 := int64(f5_2) * int64(g5_19)
f5g6_19 := int64(f5) * int64(g6_19)
f5g7_38 := int64(f5_2) * int64(g7_19)
f5g8_19 := int64(f5) * int64(g8_19)
f5g9_38 := int64(f5_2) * int64(g9_19)
f6g0 := int64(f6) * int64(g0)
f6g1 := int64(f6) * int64(g1)
f6g2 := int64(f6) * int64(g2)
f6g3 := int64(f6) * int64(g3)
f6g4_19 := int64(f6) * int64(g4_19)
f6g5_19 := int64(f6) * int64(g5_19)
f6g6_19 := int64(f6) * int64(g6_19)
f6g7_19 := int64(f6) * int64(g7_19)
f6g8_19 := int64(f6) * int64(g8_19)
f6g9_19 := int64(f6) * int64(g9_19)
f7g0 := int64(f7) * int64(g0)
f7g1_2 := int64(f7_2) * int64(g1)
f7g2 := int64(f7) * int64(g2)
f7g3_38 := int64(f7_2) * int64(g3_19)
f7g4_19 := int64(f7) * int64(g4_19)
f7g5_38 := int64(f7_2) * int64(g5_19)
f7g6_19 := int64(f7) * int64(g6_19)
f7g7_38 := int64(f7_2) * int64(g7_19)
f7g8_19 := int64(f7) * int64(g8_19)
f7g9_38 := int64(f7_2) * int64(g9_19)
f8g0 := int64(f8) * int64(g0)
f8g1 := int64(f8) * int64(g1)
f8g2_19 := int64(f8) * int64(g2_19)
f8g3_19 := int64(f8) * int64(g3_19)
f8g4_19 := int64(f8) * int64(g4_19)
f8g5_19 := int64(f8) * int64(g5_19)
f8g6_19 := int64(f8) * int64(g6_19)
f8g7_19 := int64(f8) * int64(g7_19)
f8g8_19 := int64(f8) * int64(g8_19)
f8g9_19 := int64(f8) * int64(g9_19)
f9g0 := int64(f9) * int64(g0)
f9g1_38 := int64(f9_2) * int64(g1_19)
f9g2_19 := int64(f9) * int64(g2_19)
f9g3_38 := int64(f9_2) * int64(g3_19)
f9g4_19 := int64(f9) * int64(g4_19)
f9g5_38 := int64(f9_2) * int64(g5_19)
f9g6_19 := int64(f9) * int64(g6_19)
f9g7_38 := int64(f9_2) * int64(g7_19)
f9g8_19 := int64(f9) * int64(g8_19)
f9g9_38 := int64(f9_2) * int64(g9_19)
h0 := f0g0 + f1g9_38 + f2g8_19 + f3g7_38 + f4g6_19 + f5g5_38 + f6g4_19 + f7g3_38 + f8g2_19 + f9g1_38
h1 := f0g1 + f1g0 + f2g9_19 + f3g8_19 + f4g7_19 + f5g6_19 + f6g5_19 + f7g4_19 + f8g3_19 + f9g2_19
h2 := f0g2 + f1g1_2 + f2g0 + f3g9_38 + f4g8_19 + f5g7_38 + f6g6_19 + f7g5_38 + f8g4_19 + f9g3_38
h3 := f0g3 + f1g2 + f2g1 + f3g0 + f4g9_19 + f5g8_19 + f6g7_19 + f7g6_19 + f8g5_19 + f9g4_19
h4 := f0g4 + f1g3_2 + f2g2 + f3g1_2 + f4g0 + f5g9_38 + f6g8_19 + f7g7_38 + f8g6_19 + f9g5_38
h5 := f0g5 + f1g4 + f2g3 + f3g2 + f4g1 + f5g0 + f6g9_19 + f7g8_19 + f8g7_19 + f9g6_19
h6 := f0g6 + f1g5_2 + f2g4 + f3g3_2 + f4g2 + f5g1_2 + f6g0 + f7g9_38 + f8g8_19 + f9g7_38
h7 := f0g7 + f1g6 + f2g5 + f3g4 + f4g3 + f5g2 + f6g1 + f7g0 + f8g9_19 + f9g8_19
h8 := f0g8 + f1g7_2 + f2g6 + f3g5_2 + f4g4 + f5g3_2 + f6g2 + f7g1_2 + f8g0 + f9g9_38
h9 := f0g9 + f1g8 + f2g7 + f3g6 + f4g5 + f5g4 + f6g3 + f7g2 + f8g1 + f9g0
var carry [10]int64
// |h0| <= (1.1*1.1*2^52*(1+19+19+19+19)+1.1*1.1*2^50*(38+38+38+38+38))
// i.e. |h0| <= 1.2*2^59; narrower ranges for h2, h4, h6, h8
// |h1| <= (1.1*1.1*2^51*(1+1+19+19+19+19+19+19+19+19))
// i.e. |h1| <= 1.5*2^58; narrower ranges for h3, h5, h7, h9
carry[0] = (h0 + (1 << 25)) >> 26
h1 += carry[0]
h0 -= carry[0] << 26
carry[4] = (h4 + (1 << 25)) >> 26
h5 += carry[4]
h4 -= carry[4] << 26
// |h0| <= 2^25
// |h4| <= 2^25
// |h1| <= 1.51*2^58
// |h5| <= 1.51*2^58
carry[1] = (h1 + (1 << 24)) >> 25
h2 += carry[1]
h1 -= carry[1] << 25
carry[5] = (h5 + (1 << 24)) >> 25
h6 += carry[5]
h5 -= carry[5] << 25
// |h1| <= 2^24; from now on fits into int32
// |h5| <= 2^24; from now on fits into int32
// |h2| <= 1.21*2^59
// |h6| <= 1.21*2^59
carry[2] = (h2 + (1 << 25)) >> 26
h3 += carry[2]
h2 -= carry[2] << 26
carry[6] = (h6 + (1 << 25)) >> 26
h7 += carry[6]
h6 -= carry[6] << 26
// |h2| <= 2^25; from now on fits into int32 unchanged
// |h6| <= 2^25; from now on fits into int32 unchanged
// |h3| <= 1.51*2^58
// |h7| <= 1.51*2^58
carry[3] = (h3 + (1 << 24)) >> 25
h4 += carry[3]
h3 -= carry[3] << 25
carry[7] = (h7 + (1 << 24)) >> 25
h8 += carry[7]
h7 -= carry[7] << 25
// |h3| <= 2^24; from now on fits into int32 unchanged
// |h7| <= 2^24; from now on fits into int32 unchanged
// |h4| <= 1.52*2^33
// |h8| <= 1.52*2^33
carry[4] = (h4 + (1 << 25)) >> 26
h5 += carry[4]
h4 -= carry[4] << 26
carry[8] = (h8 + (1 << 25)) >> 26
h9 += carry[8]
h8 -= carry[8] << 26
// |h4| <= 2^25; from now on fits into int32 unchanged
// |h8| <= 2^25; from now on fits into int32 unchanged
// |h5| <= 1.01*2^24
// |h9| <= 1.51*2^58
carry[9] = (h9 + (1 << 24)) >> 25
h0 += carry[9] * 19
h9 -= carry[9] << 25
// |h9| <= 2^24; from now on fits into int32 unchanged
// |h0| <= 1.8*2^37
carry[0] = (h0 + (1 << 25)) >> 26
h1 += carry[0]
h0 -= carry[0] << 26
// |h0| <= 2^25; from now on fits into int32 unchanged
// |h1| <= 1.01*2^24
h[0] = int32(h0)
h[1] = int32(h1)
h[2] = int32(h2)
h[3] = int32(h3)
h[4] = int32(h4)
h[5] = int32(h5)
h[6] = int32(h6)
h[7] = int32(h7)
h[8] = int32(h8)
h[9] = int32(h9)
}
// feSquare calculates h = f*f. Can overlap h with f.
//
// Preconditions:
// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
//
// Postconditions:
// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
func feSquare(h, f *fieldElement) {
f0 := f[0]
f1 := f[1]
f2 := f[2]
f3 := f[3]
f4 := f[4]
f5 := f[5]
f6 := f[6]
f7 := f[7]
f8 := f[8]
f9 := f[9]
f0_2 := 2 * f0
f1_2 := 2 * f1
f2_2 := 2 * f2
f3_2 := 2 * f3
f4_2 := 2 * f4
f5_2 := 2 * f5
f6_2 := 2 * f6
f7_2 := 2 * f7
f5_38 := 38 * f5 // 1.31*2^30
f6_19 := 19 * f6 // 1.31*2^30
f7_38 := 38 * f7 // 1.31*2^30
f8_19 := 19 * f8 // 1.31*2^30
f9_38 := 38 * f9 // 1.31*2^30
f0f0 := int64(f0) * int64(f0)
f0f1_2 := int64(f0_2) * int64(f1)
f0f2_2 := int64(f0_2) * int64(f2)
f0f3_2 := int64(f0_2) * int64(f3)
f0f4_2 := int64(f0_2) * int64(f4)
f0f5_2 := int64(f0_2) * int64(f5)
f0f6_2 := int64(f0_2) * int64(f6)
f0f7_2 := int64(f0_2) * int64(f7)
f0f8_2 := int64(f0_2) * int64(f8)
f0f9_2 := int64(f0_2) * int64(f9)
f1f1_2 := int64(f1_2) * int64(f1)
f1f2_2 := int64(f1_2) * int64(f2)
f1f3_4 := int64(f1_2) * int64(f3_2)
f1f4_2 := int64(f1_2) * int64(f4)
f1f5_4 := int64(f1_2) * int64(f5_2)
f1f6_2 := int64(f1_2) * int64(f6)
f1f7_4 := int64(f1_2) * int64(f7_2)
f1f8_2 := int64(f1_2) * int64(f8)
f1f9_76 := int64(f1_2) * int64(f9_38)
f2f2 := int64(f2) * int64(f2)
f2f3_2 := int64(f2_2) * int64(f3)
f2f4_2 := int64(f2_2) * int64(f4)
f2f5_2 := int64(f2_2) * int64(f5)
f2f6_2 := int64(f2_2) * int64(f6)
f2f7_2 := int64(f2_2) * int64(f7)
f2f8_38 := int64(f2_2) * int64(f8_19)
f2f9_38 := int64(f2) * int64(f9_38)
f3f3_2 := int64(f3_2) * int64(f3)
f3f4_2 := int64(f3_2) * int64(f4)
f3f5_4 := int64(f3_2) * int64(f5_2)
f3f6_2 := int64(f3_2) * int64(f6)
f3f7_76 := int64(f3_2) * int64(f7_38)
f3f8_38 := int64(f3_2) * int64(f8_19)
f3f9_76 := int64(f3_2) * int64(f9_38)
f4f4 := int64(f4) * int64(f4)
f4f5_2 := int64(f4_2) * int64(f5)
f4f6_38 := int64(f4_2) * int64(f6_19)
f4f7_38 := int64(f4) * int64(f7_38)
f4f8_38 := int64(f4_2) * int64(f8_19)
f4f9_38 := int64(f4) * int64(f9_38)
f5f5_38 := int64(f5) * int64(f5_38)
f5f6_38 := int64(f5_2) * int64(f6_19)
f5f7_76 := int64(f5_2) * int64(f7_38)
f5f8_38 := int64(f5_2) * int64(f8_19)
f5f9_76 := int64(f5_2) * int64(f9_38)
f6f6_19 := int64(f6) * int64(f6_19)
f6f7_38 := int64(f6) * int64(f7_38)
f6f8_38 := int64(f6_2) * int64(f8_19)
f6f9_38 := int64(f6) * int64(f9_38)
f7f7_38 := int64(f7) * int64(f7_38)
f7f8_38 := int64(f7_2) * int64(f8_19)
f7f9_76 := int64(f7_2) * int64(f9_38)
f8f8_19 := int64(f8) * int64(f8_19)
f8f9_38 := int64(f8) * int64(f9_38)
f9f9_38 := int64(f9) * int64(f9_38)
h0 := f0f0 + f1f9_76 + f2f8_38 + f3f7_76 + f4f6_38 + f5f5_38
h1 := f0f1_2 + f2f9_38 + f3f8_38 + f4f7_38 + f5f6_38
h2 := f0f2_2 + f1f1_2 + f3f9_76 + f4f8_38 + f5f7_76 + f6f6_19
h3 := f0f3_2 + f1f2_2 + f4f9_38 + f5f8_38 + f6f7_38
h4 := f0f4_2 + f1f3_4 + f2f2 + f5f9_76 + f6f8_38 + f7f7_38
h5 := f0f5_2 + f1f4_2 + f2f3_2 + f6f9_38 + f7f8_38
h6 := f0f6_2 + f1f5_4 + f2f4_2 + f3f3_2 + f7f9_76 + f8f8_19
h7 := f0f7_2 + f1f6_2 + f2f5_2 + f3f4_2 + f8f9_38
h8 := f0f8_2 + f1f7_4 + f2f6_2 + f3f5_4 + f4f4 + f9f9_38
h9 := f0f9_2 + f1f8_2 + f2f7_2 + f3f6_2 + f4f5_2
var carry [10]int64
carry[0] = (h0 + (1 << 25)) >> 26
h1 += carry[0]
h0 -= carry[0] << 26
carry[4] = (h4 + (1 << 25)) >> 26
h5 += carry[4]
h4 -= carry[4] << 26
carry[1] = (h1 + (1 << 24)) >> 25
h2 += carry[1]
h1 -= carry[1] << 25
carry[5] = (h5 + (1 << 24)) >> 25
h6 += carry[5]
h5 -= carry[5] << 25
carry[2] = (h2 + (1 << 25)) >> 26
h3 += carry[2]
h2 -= carry[2] << 26
carry[6] = (h6 + (1 << 25)) >> 26
h7 += carry[6]
h6 -= carry[6] << 26
carry[3] = (h3 + (1 << 24)) >> 25
h4 += carry[3]
h3 -= carry[3] << 25
carry[7] = (h7 + (1 << 24)) >> 25
h8 += carry[7]
h7 -= carry[7] << 25
carry[4] = (h4 + (1 << 25)) >> 26
h5 += carry[4]
h4 -= carry[4] << 26
carry[8] = (h8 + (1 << 25)) >> 26
h9 += carry[8]
h8 -= carry[8] << 26
carry[9] = (h9 + (1 << 24)) >> 25
h0 += carry[9] * 19
h9 -= carry[9] << 25
carry[0] = (h0 + (1 << 25)) >> 26
h1 += carry[0]
h0 -= carry[0] << 26
h[0] = int32(h0)
h[1] = int32(h1)
h[2] = int32(h2)
h[3] = int32(h3)
h[4] = int32(h4)
h[5] = int32(h5)
h[6] = int32(h6)
h[7] = int32(h7)
h[8] = int32(h8)
h[9] = int32(h9)
}
// feMul121666 calculates h = f * 121666. Can overlap h with f.
//
// Preconditions:
// |f| bounded by 1.1*2^26,1.1*2^25,1.1*2^26,1.1*2^25,etc.
//
// Postconditions:
// |h| bounded by 1.1*2^25,1.1*2^24,1.1*2^25,1.1*2^24,etc.
func feMul121666(h, f *fieldElement) {
h0 := int64(f[0]) * 121666
h1 := int64(f[1]) * 121666
h2 := int64(f[2]) * 121666
h3 := int64(f[3]) * 121666
h4 := int64(f[4]) * 121666
h5 := int64(f[5]) * 121666
h6 := int64(f[6]) * 121666
h7 := int64(f[7]) * 121666
h8 := int64(f[8]) * 121666
h9 := int64(f[9]) * 121666
var carry [10]int64
carry[9] = (h9 + (1 << 24)) >> 25
h0 += carry[9] * 19
h9 -= carry[9] << 25
carry[1] = (h1 + (1 << 24)) >> 25
h2 += carry[1]
h1 -= carry[1] << 25
carry[3] = (h3 + (1 << 24)) >> 25
h4 += carry[3]
h3 -= carry[3] << 25
carry[5] = (h5 + (1 << 24)) >> 25
h6 += carry[5]
h5 -= carry[5] << 25
carry[7] = (h7 + (1 << 24)) >> 25
h8 += carry[7]
h7 -= carry[7] << 25
carry[0] = (h0 + (1 << 25)) >> 26
h1 += carry[0]
h0 -= carry[0] << 26
carry[2] = (h2 + (1 << 25)) >> 26
h3 += carry[2]
h2 -= carry[2] << 26
carry[4] = (h4 + (1 << 25)) >> 26
h5 += carry[4]
h4 -= carry[4] << 26
carry[6] = (h6 + (1 << 25)) >> 26
h7 += carry[6]
h6 -= carry[6] << 26
carry[8] = (h8 + (1 << 25)) >> 26
h9 += carry[8]
h8 -= carry[8] << 26
h[0] = int32(h0)
h[1] = int32(h1)
h[2] = int32(h2)
h[3] = int32(h3)
h[4] = int32(h4)
h[5] = int32(h5)
h[6] = int32(h6)
h[7] = int32(h7)
h[8] = int32(h8)
h[9] = int32(h9)
}
// feInvert sets out = z^-1.
func feInvert(out, z *fieldElement) {
var t0, t1, t2, t3 fieldElement
var i int
feSquare(&t0, z)
for i = 1; i < 1; i++ {
feSquare(&t0, &t0)
}
feSquare(&t1, &t0)
for i = 1; i < 2; i++ {
feSquare(&t1, &t1)
}
feMul(&t1, z, &t1)
feMul(&t0, &t0, &t1)
feSquare(&t2, &t0)
for i = 1; i < 1; i++ {
feSquare(&t2, &t2)
}
feMul(&t1, &t1, &t2)
feSquare(&t2, &t1)
for i = 1; i < 5; i++ {
feSquare(&t2, &t2)
}
feMul(&t1, &t2, &t1)
feSquare(&t2, &t1)
for i = 1; i < 10; i++ {
feSquare(&t2, &t2)
}
feMul(&t2, &t2, &t1)
feSquare(&t3, &t2)
for i = 1; i < 20; i++ {
feSquare(&t3, &t3)
}
feMul(&t2, &t3, &t2)
feSquare(&t2, &t2)
for i = 1; i < 10; i++ {
feSquare(&t2, &t2)
}
feMul(&t1, &t2, &t1)
feSquare(&t2, &t1)
for i = 1; i < 50; i++ {
feSquare(&t2, &t2)
}
feMul(&t2, &t2, &t1)
feSquare(&t3, &t2)
for i = 1; i < 100; i++ {
feSquare(&t3, &t3)
}
feMul(&t2, &t3, &t2)
feSquare(&t2, &t2)
for i = 1; i < 50; i++ {
feSquare(&t2, &t2)
}
feMul(&t1, &t2, &t1)
feSquare(&t1, &t1)
for i = 1; i < 5; i++ {
feSquare(&t1, &t1)
}
feMul(out, &t1, &t0)
}
func scalarMult(out, in, base *[32]byte) {
var e [32]byte
copy(e[:], in[:])
e[0] &= 248
e[31] &= 127
e[31] |= 64
var x1, x2, z2, x3, z3, tmp0, tmp1 fieldElement
feFromBytes(&x1, base)
feOne(&x2)
feCopy(&x3, &x1)
feOne(&z3)
swap := int32(0)
for pos := 254; pos >= 0; pos-- {
b := e[pos/8] >> uint(pos&7)
b &= 1
swap ^= int32(b)
feCSwap(&x2, &x3, swap)
feCSwap(&z2, &z3, swap)
swap = int32(b)
feSub(&tmp0, &x3, &z3)
feSub(&tmp1, &x2, &z2)
feAdd(&x2, &x2, &z2)
feAdd(&z2, &x3, &z3)
feMul(&z3, &tmp0, &x2)
feMul(&z2, &z2, &tmp1)
feSquare(&tmp0, &tmp1)
feSquare(&tmp1, &x2)
feAdd(&x3, &z3, &z2)
feSub(&z2, &z3, &z2)
feMul(&x2, &tmp1, &tmp0)
feSub(&tmp1, &tmp1, &tmp0)
feSquare(&z2, &z2)
feMul121666(&z3, &tmp1)
feSquare(&x3, &x3)
feAdd(&tmp0, &tmp0, &z3)
feMul(&z3, &x1, &z2)
feMul(&z2, &tmp1, &tmp0)
}
feCSwap(&x2, &x3, swap)
feCSwap(&z2, &z3, swap)
feInvert(&z2, &z2)
feMul(&x2, &x2, &z2)
feToBytes(out, &x2)
}

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vendor/golang.org/x/crypto/curve25519/doc.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package curve25519 provides an implementation of scalar multiplication on
// the elliptic curve known as curve25519. See https://cr.yp.to/ecdh.html
package curve25519 // import "golang.org/x/crypto/curve25519"
// basePoint is the x coordinate of the generator of the curve.
var basePoint = [32]byte{9, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
// ScalarMult sets dst to the product in*base where dst and base are the x
// coordinates of group points and all values are in little-endian form.
func ScalarMult(dst, in, base *[32]byte) {
scalarMult(dst, in, base)
}
// ScalarBaseMult sets dst to the product in*base where dst and base are the x
// coordinates of group points, base is the standard generator and all values
// are in little-endian form.
func ScalarBaseMult(dst, in *[32]byte) {
ScalarMult(dst, in, &basePoint)
}

73
vendor/golang.org/x/crypto/curve25519/freeze_amd64.s generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: https://bench.cr.yp.to/supercop.html
// +build amd64,!gccgo,!appengine
#include "const_amd64.h"
// func freeze(inout *[5]uint64)
TEXT ·freeze(SB),7,$0-8
MOVQ inout+0(FP), DI
MOVQ 0(DI),SI
MOVQ 8(DI),DX
MOVQ 16(DI),CX
MOVQ 24(DI),R8
MOVQ 32(DI),R9
MOVQ $REDMASK51,AX
MOVQ AX,R10
SUBQ $18,R10
MOVQ $3,R11
REDUCELOOP:
MOVQ SI,R12
SHRQ $51,R12
ANDQ AX,SI
ADDQ R12,DX
MOVQ DX,R12
SHRQ $51,R12
ANDQ AX,DX
ADDQ R12,CX
MOVQ CX,R12
SHRQ $51,R12
ANDQ AX,CX
ADDQ R12,R8
MOVQ R8,R12
SHRQ $51,R12
ANDQ AX,R8
ADDQ R12,R9
MOVQ R9,R12
SHRQ $51,R12
ANDQ AX,R9
IMUL3Q $19,R12,R12
ADDQ R12,SI
SUBQ $1,R11
JA REDUCELOOP
MOVQ $1,R12
CMPQ R10,SI
CMOVQLT R11,R12
CMPQ AX,DX
CMOVQNE R11,R12
CMPQ AX,CX
CMOVQNE R11,R12
CMPQ AX,R8
CMOVQNE R11,R12
CMPQ AX,R9
CMOVQNE R11,R12
NEGQ R12
ANDQ R12,AX
ANDQ R12,R10
SUBQ R10,SI
SUBQ AX,DX
SUBQ AX,CX
SUBQ AX,R8
SUBQ AX,R9
MOVQ SI,0(DI)
MOVQ DX,8(DI)
MOVQ CX,16(DI)
MOVQ R8,24(DI)
MOVQ R9,32(DI)
RET

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vendor/golang.org/x/crypto/curve25519/ladderstep_amd64.s generated vendored Normal file
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vendor/golang.org/x/crypto/curve25519/mont25519_amd64.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build amd64,!gccgo,!appengine
package curve25519
// These functions are implemented in the .s files. The names of the functions
// in the rest of the file are also taken from the SUPERCOP sources to help
// people following along.
//go:noescape
func cswap(inout *[5]uint64, v uint64)
//go:noescape
func ladderstep(inout *[5][5]uint64)
//go:noescape
func freeze(inout *[5]uint64)
//go:noescape
func mul(dest, a, b *[5]uint64)
//go:noescape
func square(out, in *[5]uint64)
// mladder uses a Montgomery ladder to calculate (xr/zr) *= s.
func mladder(xr, zr *[5]uint64, s *[32]byte) {
var work [5][5]uint64
work[0] = *xr
setint(&work[1], 1)
setint(&work[2], 0)
work[3] = *xr
setint(&work[4], 1)
j := uint(6)
var prevbit byte
for i := 31; i >= 0; i-- {
for j < 8 {
bit := ((*s)[i] >> j) & 1
swap := bit ^ prevbit
prevbit = bit
cswap(&work[1], uint64(swap))
ladderstep(&work)
j--
}
j = 7
}
*xr = work[1]
*zr = work[2]
}
func scalarMult(out, in, base *[32]byte) {
var e [32]byte
copy(e[:], (*in)[:])
e[0] &= 248
e[31] &= 127
e[31] |= 64
var t, z [5]uint64
unpack(&t, base)
mladder(&t, &z, &e)
invert(&z, &z)
mul(&t, &t, &z)
pack(out, &t)
}
func setint(r *[5]uint64, v uint64) {
r[0] = v
r[1] = 0
r[2] = 0
r[3] = 0
r[4] = 0
}
// unpack sets r = x where r consists of 5, 51-bit limbs in little-endian
// order.
func unpack(r *[5]uint64, x *[32]byte) {
r[0] = uint64(x[0]) |
uint64(x[1])<<8 |
uint64(x[2])<<16 |
uint64(x[3])<<24 |
uint64(x[4])<<32 |
uint64(x[5])<<40 |
uint64(x[6]&7)<<48
r[1] = uint64(x[6])>>3 |
uint64(x[7])<<5 |
uint64(x[8])<<13 |
uint64(x[9])<<21 |
uint64(x[10])<<29 |
uint64(x[11])<<37 |
uint64(x[12]&63)<<45
r[2] = uint64(x[12])>>6 |
uint64(x[13])<<2 |
uint64(x[14])<<10 |
uint64(x[15])<<18 |
uint64(x[16])<<26 |
uint64(x[17])<<34 |
uint64(x[18])<<42 |
uint64(x[19]&1)<<50
r[3] = uint64(x[19])>>1 |
uint64(x[20])<<7 |
uint64(x[21])<<15 |
uint64(x[22])<<23 |
uint64(x[23])<<31 |
uint64(x[24])<<39 |
uint64(x[25]&15)<<47
r[4] = uint64(x[25])>>4 |
uint64(x[26])<<4 |
uint64(x[27])<<12 |
uint64(x[28])<<20 |
uint64(x[29])<<28 |
uint64(x[30])<<36 |
uint64(x[31]&127)<<44
}
// pack sets out = x where out is the usual, little-endian form of the 5,
// 51-bit limbs in x.
func pack(out *[32]byte, x *[5]uint64) {
t := *x
freeze(&t)
out[0] = byte(t[0])
out[1] = byte(t[0] >> 8)
out[2] = byte(t[0] >> 16)
out[3] = byte(t[0] >> 24)
out[4] = byte(t[0] >> 32)
out[5] = byte(t[0] >> 40)
out[6] = byte(t[0] >> 48)
out[6] ^= byte(t[1]<<3) & 0xf8
out[7] = byte(t[1] >> 5)
out[8] = byte(t[1] >> 13)
out[9] = byte(t[1] >> 21)
out[10] = byte(t[1] >> 29)
out[11] = byte(t[1] >> 37)
out[12] = byte(t[1] >> 45)
out[12] ^= byte(t[2]<<6) & 0xc0
out[13] = byte(t[2] >> 2)
out[14] = byte(t[2] >> 10)
out[15] = byte(t[2] >> 18)
out[16] = byte(t[2] >> 26)
out[17] = byte(t[2] >> 34)
out[18] = byte(t[2] >> 42)
out[19] = byte(t[2] >> 50)
out[19] ^= byte(t[3]<<1) & 0xfe
out[20] = byte(t[3] >> 7)
out[21] = byte(t[3] >> 15)
out[22] = byte(t[3] >> 23)
out[23] = byte(t[3] >> 31)
out[24] = byte(t[3] >> 39)
out[25] = byte(t[3] >> 47)
out[25] ^= byte(t[4]<<4) & 0xf0
out[26] = byte(t[4] >> 4)
out[27] = byte(t[4] >> 12)
out[28] = byte(t[4] >> 20)
out[29] = byte(t[4] >> 28)
out[30] = byte(t[4] >> 36)
out[31] = byte(t[4] >> 44)
}
// invert calculates r = x^-1 mod p using Fermat's little theorem.
func invert(r *[5]uint64, x *[5]uint64) {
var z2, z9, z11, z2_5_0, z2_10_0, z2_20_0, z2_50_0, z2_100_0, t [5]uint64
square(&z2, x) /* 2 */
square(&t, &z2) /* 4 */
square(&t, &t) /* 8 */
mul(&z9, &t, x) /* 9 */
mul(&z11, &z9, &z2) /* 11 */
square(&t, &z11) /* 22 */
mul(&z2_5_0, &t, &z9) /* 2^5 - 2^0 = 31 */
square(&t, &z2_5_0) /* 2^6 - 2^1 */
for i := 1; i < 5; i++ { /* 2^20 - 2^10 */
square(&t, &t)
}
mul(&z2_10_0, &t, &z2_5_0) /* 2^10 - 2^0 */
square(&t, &z2_10_0) /* 2^11 - 2^1 */
for i := 1; i < 10; i++ { /* 2^20 - 2^10 */
square(&t, &t)
}
mul(&z2_20_0, &t, &z2_10_0) /* 2^20 - 2^0 */
square(&t, &z2_20_0) /* 2^21 - 2^1 */
for i := 1; i < 20; i++ { /* 2^40 - 2^20 */
square(&t, &t)
}
mul(&t, &t, &z2_20_0) /* 2^40 - 2^0 */
square(&t, &t) /* 2^41 - 2^1 */
for i := 1; i < 10; i++ { /* 2^50 - 2^10 */
square(&t, &t)
}
mul(&z2_50_0, &t, &z2_10_0) /* 2^50 - 2^0 */
square(&t, &z2_50_0) /* 2^51 - 2^1 */
for i := 1; i < 50; i++ { /* 2^100 - 2^50 */
square(&t, &t)
}
mul(&z2_100_0, &t, &z2_50_0) /* 2^100 - 2^0 */
square(&t, &z2_100_0) /* 2^101 - 2^1 */
for i := 1; i < 100; i++ { /* 2^200 - 2^100 */
square(&t, &t)
}
mul(&t, &t, &z2_100_0) /* 2^200 - 2^0 */
square(&t, &t) /* 2^201 - 2^1 */
for i := 1; i < 50; i++ { /* 2^250 - 2^50 */
square(&t, &t)
}
mul(&t, &t, &z2_50_0) /* 2^250 - 2^0 */
square(&t, &t) /* 2^251 - 2^1 */
square(&t, &t) /* 2^252 - 2^2 */
square(&t, &t) /* 2^253 - 2^3 */
square(&t, &t) /* 2^254 - 2^4 */
square(&t, &t) /* 2^255 - 2^5 */
mul(r, &t, &z11) /* 2^255 - 21 */
}

169
vendor/golang.org/x/crypto/curve25519/mul_amd64.s generated vendored Normal file
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@ -0,0 +1,169 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: https://bench.cr.yp.to/supercop.html
// +build amd64,!gccgo,!appengine
#include "const_amd64.h"
// func mul(dest, a, b *[5]uint64)
TEXT ·mul(SB),0,$16-24
MOVQ dest+0(FP), DI
MOVQ a+8(FP), SI
MOVQ b+16(FP), DX
MOVQ DX,CX
MOVQ 24(SI),DX
IMUL3Q $19,DX,AX
MOVQ AX,0(SP)
MULQ 16(CX)
MOVQ AX,R8
MOVQ DX,R9
MOVQ 32(SI),DX
IMUL3Q $19,DX,AX
MOVQ AX,8(SP)
MULQ 8(CX)
ADDQ AX,R8
ADCQ DX,R9
MOVQ 0(SI),AX
MULQ 0(CX)
ADDQ AX,R8
ADCQ DX,R9
MOVQ 0(SI),AX
MULQ 8(CX)
MOVQ AX,R10
MOVQ DX,R11
MOVQ 0(SI),AX
MULQ 16(CX)
MOVQ AX,R12
MOVQ DX,R13
MOVQ 0(SI),AX
MULQ 24(CX)
MOVQ AX,R14
MOVQ DX,R15
MOVQ 0(SI),AX
MULQ 32(CX)
MOVQ AX,BX
MOVQ DX,BP
MOVQ 8(SI),AX
MULQ 0(CX)
ADDQ AX,R10
ADCQ DX,R11
MOVQ 8(SI),AX
MULQ 8(CX)
ADDQ AX,R12
ADCQ DX,R13
MOVQ 8(SI),AX
MULQ 16(CX)
ADDQ AX,R14
ADCQ DX,R15
MOVQ 8(SI),AX
MULQ 24(CX)
ADDQ AX,BX
ADCQ DX,BP
MOVQ 8(SI),DX
IMUL3Q $19,DX,AX
MULQ 32(CX)
ADDQ AX,R8
ADCQ DX,R9
MOVQ 16(SI),AX
MULQ 0(CX)
ADDQ AX,R12
ADCQ DX,R13
MOVQ 16(SI),AX
MULQ 8(CX)
ADDQ AX,R14
ADCQ DX,R15
MOVQ 16(SI),AX
MULQ 16(CX)
ADDQ AX,BX
ADCQ DX,BP
MOVQ 16(SI),DX
IMUL3Q $19,DX,AX
MULQ 24(CX)
ADDQ AX,R8
ADCQ DX,R9
MOVQ 16(SI),DX
IMUL3Q $19,DX,AX
MULQ 32(CX)
ADDQ AX,R10
ADCQ DX,R11
MOVQ 24(SI),AX
MULQ 0(CX)
ADDQ AX,R14
ADCQ DX,R15
MOVQ 24(SI),AX
MULQ 8(CX)
ADDQ AX,BX
ADCQ DX,BP
MOVQ 0(SP),AX
MULQ 24(CX)
ADDQ AX,R10
ADCQ DX,R11
MOVQ 0(SP),AX
MULQ 32(CX)
ADDQ AX,R12
ADCQ DX,R13
MOVQ 32(SI),AX
MULQ 0(CX)
ADDQ AX,BX
ADCQ DX,BP
MOVQ 8(SP),AX
MULQ 16(CX)
ADDQ AX,R10
ADCQ DX,R11
MOVQ 8(SP),AX
MULQ 24(CX)
ADDQ AX,R12
ADCQ DX,R13
MOVQ 8(SP),AX
MULQ 32(CX)
ADDQ AX,R14
ADCQ DX,R15
MOVQ $REDMASK51,SI
SHLQ $13,R9:R8
ANDQ SI,R8
SHLQ $13,R11:R10
ANDQ SI,R10
ADDQ R9,R10
SHLQ $13,R13:R12
ANDQ SI,R12
ADDQ R11,R12
SHLQ $13,R15:R14
ANDQ SI,R14
ADDQ R13,R14
SHLQ $13,BP:BX
ANDQ SI,BX
ADDQ R15,BX
IMUL3Q $19,BP,DX
ADDQ DX,R8
MOVQ R8,DX
SHRQ $51,DX
ADDQ R10,DX
MOVQ DX,CX
SHRQ $51,DX
ANDQ SI,R8
ADDQ R12,DX
MOVQ DX,R9
SHRQ $51,DX
ANDQ SI,CX
ADDQ R14,DX
MOVQ DX,AX
SHRQ $51,DX
ANDQ SI,R9
ADDQ BX,DX
MOVQ DX,R10
SHRQ $51,DX
ANDQ SI,AX
IMUL3Q $19,DX,DX
ADDQ DX,R8
ANDQ SI,R10
MOVQ R8,0(DI)
MOVQ CX,8(DI)
MOVQ R9,16(DI)
MOVQ AX,24(DI)
MOVQ R10,32(DI)
RET

132
vendor/golang.org/x/crypto/curve25519/square_amd64.s generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// This code was translated into a form compatible with 6a from the public
// domain sources in SUPERCOP: https://bench.cr.yp.to/supercop.html
// +build amd64,!gccgo,!appengine
#include "const_amd64.h"
// func square(out, in *[5]uint64)
TEXT ·square(SB),7,$0-16
MOVQ out+0(FP), DI
MOVQ in+8(FP), SI
MOVQ 0(SI),AX
MULQ 0(SI)
MOVQ AX,CX
MOVQ DX,R8
MOVQ 0(SI),AX
SHLQ $1,AX
MULQ 8(SI)
MOVQ AX,R9
MOVQ DX,R10
MOVQ 0(SI),AX
SHLQ $1,AX
MULQ 16(SI)
MOVQ AX,R11
MOVQ DX,R12
MOVQ 0(SI),AX
SHLQ $1,AX
MULQ 24(SI)
MOVQ AX,R13
MOVQ DX,R14
MOVQ 0(SI),AX
SHLQ $1,AX
MULQ 32(SI)
MOVQ AX,R15
MOVQ DX,BX
MOVQ 8(SI),AX
MULQ 8(SI)
ADDQ AX,R11
ADCQ DX,R12
MOVQ 8(SI),AX
SHLQ $1,AX
MULQ 16(SI)
ADDQ AX,R13
ADCQ DX,R14
MOVQ 8(SI),AX
SHLQ $1,AX
MULQ 24(SI)
ADDQ AX,R15
ADCQ DX,BX
MOVQ 8(SI),DX
IMUL3Q $38,DX,AX
MULQ 32(SI)
ADDQ AX,CX
ADCQ DX,R8
MOVQ 16(SI),AX
MULQ 16(SI)
ADDQ AX,R15
ADCQ DX,BX
MOVQ 16(SI),DX
IMUL3Q $38,DX,AX
MULQ 24(SI)
ADDQ AX,CX
ADCQ DX,R8
MOVQ 16(SI),DX
IMUL3Q $38,DX,AX
MULQ 32(SI)
ADDQ AX,R9
ADCQ DX,R10
MOVQ 24(SI),DX
IMUL3Q $19,DX,AX
MULQ 24(SI)
ADDQ AX,R9
ADCQ DX,R10
MOVQ 24(SI),DX
IMUL3Q $38,DX,AX
MULQ 32(SI)
ADDQ AX,R11
ADCQ DX,R12
MOVQ 32(SI),DX
IMUL3Q $19,DX,AX
MULQ 32(SI)
ADDQ AX,R13
ADCQ DX,R14
MOVQ $REDMASK51,SI
SHLQ $13,R8:CX
ANDQ SI,CX
SHLQ $13,R10:R9
ANDQ SI,R9
ADDQ R8,R9
SHLQ $13,R12:R11
ANDQ SI,R11
ADDQ R10,R11
SHLQ $13,R14:R13
ANDQ SI,R13
ADDQ R12,R13
SHLQ $13,BX:R15
ANDQ SI,R15
ADDQ R14,R15
IMUL3Q $19,BX,DX
ADDQ DX,CX
MOVQ CX,DX
SHRQ $51,DX
ADDQ R9,DX
ANDQ SI,CX
MOVQ DX,R8
SHRQ $51,DX
ADDQ R11,DX
ANDQ SI,R8
MOVQ DX,R9
SHRQ $51,DX
ADDQ R13,DX
ANDQ SI,R9
MOVQ DX,AX
SHRQ $51,DX
ADDQ R15,DX
ANDQ SI,AX
MOVQ DX,R10
SHRQ $51,DX
IMUL3Q $19,DX,DX
ADDQ DX,CX
ANDQ SI,R10
MOVQ CX,0(DI)
MOVQ R8,8(DI)
MOVQ R9,16(DI)
MOVQ AX,24(DI)
MOVQ R10,32(DI)
RET

75
vendor/golang.org/x/crypto/hkdf/hkdf.go generated vendored Normal file
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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package hkdf implements the HMAC-based Extract-and-Expand Key Derivation
// Function (HKDF) as defined in RFC 5869.
//
// HKDF is a cryptographic key derivation function (KDF) with the goal of
// expanding limited input keying material into one or more cryptographically
// strong secret keys.
//
// RFC 5869: https://tools.ietf.org/html/rfc5869
package hkdf // import "golang.org/x/crypto/hkdf"
import (
"crypto/hmac"
"errors"
"hash"
"io"
)
type hkdf struct {
expander hash.Hash
size int
info []byte
counter byte
prev []byte
cache []byte
}
func (f *hkdf) Read(p []byte) (int, error) {
// Check whether enough data can be generated
need := len(p)
remains := len(f.cache) + int(255-f.counter+1)*f.size
if remains < need {
return 0, errors.New("hkdf: entropy limit reached")
}
// Read from the cache, if enough data is present
n := copy(p, f.cache)
p = p[n:]
// Fill the buffer
for len(p) > 0 {
f.expander.Reset()
f.expander.Write(f.prev)
f.expander.Write(f.info)
f.expander.Write([]byte{f.counter})
f.prev = f.expander.Sum(f.prev[:0])
f.counter++
// Copy the new batch into p
f.cache = f.prev
n = copy(p, f.cache)
p = p[n:]
}
// Save leftovers for next run
f.cache = f.cache[n:]
return need, nil
}
// New returns a new HKDF using the given hash, the secret keying material to expand
// and optional salt and info fields.
func New(hash func() hash.Hash, secret, salt, info []byte) io.Reader {
if salt == nil {
salt = make([]byte, hash().Size())
}
extractor := hmac.New(hash, salt)
extractor.Write(secret)
prk := extractor.Sum(nil)
return &hkdf{hmac.New(hash, prk), extractor.Size(), info, 1, nil, nil}
}

3
vendor/golang.org/x/net/AUTHORS generated vendored Normal file
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# This source code refers to The Go Authors for copyright purposes.
# The master list of authors is in the main Go distribution,
# visible at http://tip.golang.org/AUTHORS.

3
vendor/golang.org/x/net/CONTRIBUTORS generated vendored Normal file
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@ -0,0 +1,3 @@
# This source code was written by the Go contributors.
# The master list of contributors is in the main Go distribution,
# visible at http://tip.golang.org/CONTRIBUTORS.

27
vendor/golang.org/x/net/LICENSE generated vendored Normal file
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@ -0,0 +1,27 @@
Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

22
vendor/golang.org/x/net/PATENTS generated vendored Normal file
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@ -0,0 +1,22 @@
Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the Go project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go
shall terminate as of the date such litigation is filed.

78
vendor/golang.org/x/net/html/atom/atom.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Package atom provides integer codes (also known as atoms) for a fixed set of
// frequently occurring HTML strings: tag names and attribute keys such as "p"
// and "id".
//
// Sharing an atom's name between all elements with the same tag can result in
// fewer string allocations when tokenizing and parsing HTML. Integer
// comparisons are also generally faster than string comparisons.
//
// The value of an atom's particular code is not guaranteed to stay the same
// between versions of this package. Neither is any ordering guaranteed:
// whether atom.H1 < atom.H2 may also change. The codes are not guaranteed to
// be dense. The only guarantees are that e.g. looking up "div" will yield
// atom.Div, calling atom.Div.String will return "div", and atom.Div != 0.
package atom // import "golang.org/x/net/html/atom"
// Atom is an integer code for a string. The zero value maps to "".
type Atom uint32
// String returns the atom's name.
func (a Atom) String() string {
start := uint32(a >> 8)
n := uint32(a & 0xff)
if start+n > uint32(len(atomText)) {
return ""
}
return atomText[start : start+n]
}
func (a Atom) string() string {
return atomText[a>>8 : a>>8+a&0xff]
}
// fnv computes the FNV hash with an arbitrary starting value h.
func fnv(h uint32, s []byte) uint32 {
for i := range s {
h ^= uint32(s[i])
h *= 16777619
}
return h
}
func match(s string, t []byte) bool {
for i, c := range t {
if s[i] != c {
return false
}
}
return true
}
// Lookup returns the atom whose name is s. It returns zero if there is no
// such atom. The lookup is case sensitive.
func Lookup(s []byte) Atom {
if len(s) == 0 || len(s) > maxAtomLen {
return 0
}
h := fnv(hash0, s)
if a := table[h&uint32(len(table)-1)]; int(a&0xff) == len(s) && match(a.string(), s) {
return a
}
if a := table[(h>>16)&uint32(len(table)-1)]; int(a&0xff) == len(s) && match(a.string(), s) {
return a
}
return 0
}
// String returns a string whose contents are equal to s. In that sense, it is
// equivalent to string(s) but may be more efficient.
func String(s []byte) string {
if a := Lookup(s); a != 0 {
return a.String()
}
return string(s)
}

712
vendor/golang.org/x/net/html/atom/gen.go generated vendored Normal file
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
//go:generate go run gen.go
//go:generate go run gen.go -test
package main
import (
"bytes"
"flag"
"fmt"
"go/format"
"io/ioutil"
"math/rand"
"os"
"sort"
"strings"
)
// identifier converts s to a Go exported identifier.
// It converts "div" to "Div" and "accept-charset" to "AcceptCharset".
func identifier(s string) string {
b := make([]byte, 0, len(s))
cap := true
for _, c := range s {
if c == '-' {
cap = true
continue
}
if cap && 'a' <= c && c <= 'z' {
c -= 'a' - 'A'
}
cap = false
b = append(b, byte(c))
}
return string(b)
}
var test = flag.Bool("test", false, "generate table_test.go")
func genFile(name string, buf *bytes.Buffer) {
b, err := format.Source(buf.Bytes())
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
if err := ioutil.WriteFile(name, b, 0644); err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
}
func main() {
flag.Parse()
var all []string
all = append(all, elements...)
all = append(all, attributes...)
all = append(all, eventHandlers...)
all = append(all, extra...)
sort.Strings(all)
// uniq - lists have dups
w := 0
for _, s := range all {
if w == 0 || all[w-1] != s {
all[w] = s
w++
}
}
all = all[:w]
if *test {
var buf bytes.Buffer
fmt.Fprintln(&buf, "// Code generated by go generate gen.go; DO NOT EDIT.\n")
fmt.Fprintln(&buf, "//go:generate go run gen.go -test\n")
fmt.Fprintln(&buf, "package atom\n")
fmt.Fprintln(&buf, "var testAtomList = []string{")
for _, s := range all {
fmt.Fprintf(&buf, "\t%q,\n", s)
}
fmt.Fprintln(&buf, "}")
genFile("table_test.go", &buf)
return
}
// Find hash that minimizes table size.
var best *table
for i := 0; i < 1000000; i++ {
if best != nil && 1<<(best.k-1) < len(all) {
break
}
h := rand.Uint32()
for k := uint(0); k <= 16; k++ {
if best != nil && k >= best.k {
break
}
var t table
if t.init(h, k, all) {
best = &t
break
}
}
}
if best == nil {
fmt.Fprintf(os.Stderr, "failed to construct string table\n")
os.Exit(1)
}
// Lay out strings, using overlaps when possible.
layout := append([]string{}, all...)
// Remove strings that are substrings of other strings
for changed := true; changed; {
changed = false
for i, s := range layout {
if s == "" {
continue
}
for j, t := range layout {
if i != j && t != "" && strings.Contains(s, t) {
changed = true
layout[j] = ""
}
}
}
}
// Join strings where one suffix matches another prefix.
for {
// Find best i, j, k such that layout[i][len-k:] == layout[j][:k],
// maximizing overlap length k.
besti := -1
bestj := -1
bestk := 0
for i, s := range layout {
if s == "" {
continue
}
for j, t := range layout {
if i == j {
continue
}
for k := bestk + 1; k <= len(s) && k <= len(t); k++ {
if s[len(s)-k:] == t[:k] {
besti = i
bestj = j
bestk = k
}
}
}
}
if bestk > 0 {
layout[besti] += layout[bestj][bestk:]
layout[bestj] = ""
continue
}
break
}
text := strings.Join(layout, "")
atom := map[string]uint32{}
for _, s := range all {
off := strings.Index(text, s)
if off < 0 {
panic("lost string " + s)
}
atom[s] = uint32(off<<8 | len(s))
}
var buf bytes.Buffer
// Generate the Go code.
fmt.Fprintln(&buf, "// Code generated by go generate gen.go; DO NOT EDIT.\n")
fmt.Fprintln(&buf, "//go:generate go run gen.go\n")
fmt.Fprintln(&buf, "package atom\n\nconst (")
// compute max len
maxLen := 0
for _, s := range all {
if maxLen < len(s) {
maxLen = len(s)
}
fmt.Fprintf(&buf, "\t%s Atom = %#x\n", identifier(s), atom[s])
}
fmt.Fprintln(&buf, ")\n")
fmt.Fprintf(&buf, "const hash0 = %#x\n\n", best.h0)
fmt.Fprintf(&buf, "const maxAtomLen = %d\n\n", maxLen)
fmt.Fprintf(&buf, "var table = [1<<%d]Atom{\n", best.k)
for i, s := range best.tab {
if s == "" {
continue
}
fmt.Fprintf(&buf, "\t%#x: %#x, // %s\n", i, atom[s], s)
}
fmt.Fprintf(&buf, "}\n")
datasize := (1 << best.k) * 4
fmt.Fprintln(&buf, "const atomText =")
textsize := len(text)
for len(text) > 60 {
fmt.Fprintf(&buf, "\t%q +\n", text[:60])
text = text[60:]
}
fmt.Fprintf(&buf, "\t%q\n\n", text)
genFile("table.go", &buf)
fmt.Fprintf(os.Stdout, "%d atoms; %d string bytes + %d tables = %d total data\n", len(all), textsize, datasize, textsize+datasize)
}
type byLen []string
func (x byLen) Less(i, j int) bool { return len(x[i]) > len(x[j]) }
func (x byLen) Swap(i, j int) { x[i], x[j] = x[j], x[i] }
func (x byLen) Len() int { return len(x) }
// fnv computes the FNV hash with an arbitrary starting value h.
func fnv(h uint32, s string) uint32 {
for i := 0; i < len(s); i++ {
h ^= uint32(s[i])
h *= 16777619
}
return h
}
// A table represents an attempt at constructing the lookup table.
// The lookup table uses cuckoo hashing, meaning that each string
// can be found in one of two positions.
type table struct {
h0 uint32
k uint
mask uint32
tab []string
}
// hash returns the two hashes for s.
func (t *table) hash(s string) (h1, h2 uint32) {
h := fnv(t.h0, s)
h1 = h & t.mask
h2 = (h >> 16) & t.mask
return
}
// init initializes the table with the given parameters.
// h0 is the initial hash value,
// k is the number of bits of hash value to use, and
// x is the list of strings to store in the table.
// init returns false if the table cannot be constructed.
func (t *table) init(h0 uint32, k uint, x []string) bool {
t.h0 = h0
t.k = k
t.tab = make([]string, 1<<k)
t.mask = 1<<k - 1
for _, s := range x {
if !t.insert(s) {
return false
}
}
return true
}
// insert inserts s in the table.
func (t *table) insert(s string) bool {
h1, h2 := t.hash(s)
if t.tab[h1] == "" {
t.tab[h1] = s
return true
}
if t.tab[h2] == "" {
t.tab[h2] = s
return true
}
if t.push(h1, 0) {
t.tab[h1] = s
return true
}
if t.push(h2, 0) {
t.tab[h2] = s
return true
}
return false
}
// push attempts to push aside the entry in slot i.
func (t *table) push(i uint32, depth int) bool {
if depth > len(t.tab) {
return false
}
s := t.tab[i]
h1, h2 := t.hash(s)
j := h1 + h2 - i
if t.tab[j] != "" && !t.push(j, depth+1) {
return false
}
t.tab[j] = s
return true
}
// The lists of element names and attribute keys were taken from
// https://html.spec.whatwg.org/multipage/indices.html#index
// as of the "HTML Living Standard - Last Updated 16 April 2018" version.
// "command", "keygen" and "menuitem" have been removed from the spec,
// but are kept here for backwards compatibility.
var elements = []string{
"a",
"abbr",
"address",
"area",
"article",
"aside",
"audio",
"b",
"base",
"bdi",
"bdo",
"blockquote",
"body",
"br",
"button",
"canvas",
"caption",
"cite",
"code",
"col",
"colgroup",
"command",
"data",
"datalist",
"dd",
"del",
"details",
"dfn",
"dialog",
"div",
"dl",
"dt",
"em",
"embed",
"fieldset",
"figcaption",
"figure",
"footer",
"form",
"h1",
"h2",
"h3",
"h4",
"h5",
"h6",
"head",
"header",
"hgroup",
"hr",
"html",
"i",
"iframe",
"img",
"input",
"ins",
"kbd",
"keygen",
"label",
"legend",
"li",
"link",
"main",
"map",
"mark",
"menu",
"menuitem",
"meta",
"meter",
"nav",
"noscript",
"object",
"ol",
"optgroup",
"option",
"output",
"p",
"param",
"picture",
"pre",
"progress",
"q",
"rp",
"rt",
"ruby",
"s",
"samp",
"script",
"section",
"select",
"slot",
"small",
"source",
"span",
"strong",
"style",
"sub",
"summary",
"sup",
"table",
"tbody",
"td",
"template",
"textarea",
"tfoot",
"th",
"thead",
"time",
"title",
"tr",
"track",
"u",
"ul",
"var",
"video",
"wbr",
}
// https://html.spec.whatwg.org/multipage/indices.html#attributes-3
//
// "challenge", "command", "contextmenu", "dropzone", "icon", "keytype", "mediagroup",
// "radiogroup", "spellcheck", "scoped", "seamless", "sortable" and "sorted" have been removed from the spec,
// but are kept here for backwards compatibility.
var attributes = []string{
"abbr",
"accept",
"accept-charset",
"accesskey",
"action",
"allowfullscreen",
"allowpaymentrequest",
"allowusermedia",
"alt",
"as",
"async",
"autocomplete",
"autofocus",
"autoplay",
"challenge",
"charset",
"checked",
"cite",
"class",
"color",
"cols",
"colspan",
"command",
"content",
"contenteditable",
"contextmenu",
"controls",
"coords",
"crossorigin",
"data",
"datetime",
"default",
"defer",
"dir",
"dirname",
"disabled",
"download",
"draggable",
"dropzone",
"enctype",
"for",
"form",
"formaction",
"formenctype",
"formmethod",
"formnovalidate",
"formtarget",
"headers",
"height",
"hidden",
"high",
"href",
"hreflang",
"http-equiv",
"icon",
"id",
"inputmode",
"integrity",
"is",
"ismap",
"itemid",
"itemprop",
"itemref",
"itemscope",
"itemtype",
"keytype",
"kind",
"label",
"lang",
"list",
"loop",
"low",
"manifest",
"max",
"maxlength",
"media",
"mediagroup",
"method",
"min",
"minlength",
"multiple",
"muted",
"name",
"nomodule",
"nonce",
"novalidate",
"open",
"optimum",
"pattern",
"ping",
"placeholder",
"playsinline",
"poster",
"preload",
"radiogroup",
"readonly",
"referrerpolicy",
"rel",
"required",
"reversed",
"rows",
"rowspan",
"sandbox",
"spellcheck",
"scope",
"scoped",
"seamless",
"selected",
"shape",
"size",
"sizes",
"sortable",
"sorted",
"slot",
"span",
"spellcheck",
"src",
"srcdoc",
"srclang",
"srcset",
"start",
"step",
"style",
"tabindex",
"target",
"title",
"translate",
"type",
"typemustmatch",
"updateviacache",
"usemap",
"value",
"width",
"workertype",
"wrap",
}
// "onautocomplete", "onautocompleteerror", "onmousewheel",
// "onshow" and "onsort" have been removed from the spec,
// but are kept here for backwards compatibility.
var eventHandlers = []string{
"onabort",
"onautocomplete",
"onautocompleteerror",
"onauxclick",
"onafterprint",
"onbeforeprint",
"onbeforeunload",
"onblur",
"oncancel",
"oncanplay",
"oncanplaythrough",
"onchange",
"onclick",
"onclose",
"oncontextmenu",
"oncopy",
"oncuechange",
"oncut",
"ondblclick",
"ondrag",
"ondragend",
"ondragenter",
"ondragexit",
"ondragleave",
"ondragover",
"ondragstart",
"ondrop",
"ondurationchange",
"onemptied",
"onended",
"onerror",
"onfocus",
"onhashchange",
"oninput",
"oninvalid",
"onkeydown",
"onkeypress",
"onkeyup",
"onlanguagechange",
"onload",
"onloadeddata",
"onloadedmetadata",
"onloadend",
"onloadstart",
"onmessage",
"onmessageerror",
"onmousedown",
"onmouseenter",
"onmouseleave",
"onmousemove",
"onmouseout",
"onmouseover",
"onmouseup",
"onmousewheel",
"onwheel",
"onoffline",
"ononline",
"onpagehide",
"onpageshow",
"onpaste",
"onpause",
"onplay",
"onplaying",
"onpopstate",
"onprogress",
"onratechange",
"onreset",
"onresize",
"onrejectionhandled",
"onscroll",
"onsecuritypolicyviolation",
"onseeked",
"onseeking",
"onselect",
"onshow",
"onsort",
"onstalled",
"onstorage",
"onsubmit",
"onsuspend",
"ontimeupdate",
"ontoggle",
"onunhandledrejection",
"onunload",
"onvolumechange",
"onwaiting",
}
// extra are ad-hoc values not covered by any of the lists above.
var extra = []string{
"acronym",
"align",
"annotation",
"annotation-xml",
"applet",
"basefont",
"bgsound",
"big",
"blink",
"center",
"color",
"desc",
"face",
"font",
"foreignObject", // HTML is case-insensitive, but SVG-embedded-in-HTML is case-sensitive.
"foreignobject",
"frame",
"frameset",
"image",
"isindex",
"listing",
"malignmark",
"marquee",
"math",
"mglyph",
"mi",
"mn",
"mo",
"ms",
"mtext",
"nobr",
"noembed",
"noframes",
"plaintext",
"prompt",
"public",
"rb",
"rtc",
"spacer",
"strike",
"svg",
"system",
"tt",
"xmp",
}

783
vendor/golang.org/x/net/html/atom/table.go generated vendored Normal file
View File

@ -0,0 +1,783 @@
// Code generated by go generate gen.go; DO NOT EDIT.
//go:generate go run gen.go
package atom
const (
A Atom = 0x1
Abbr Atom = 0x4
Accept Atom = 0x1a06
AcceptCharset Atom = 0x1a0e
Accesskey Atom = 0x2c09
Acronym Atom = 0xaa07
Action Atom = 0x27206
Address Atom = 0x6f307
Align Atom = 0xb105
Allowfullscreen Atom = 0x2080f
Allowpaymentrequest Atom = 0xc113
Allowusermedia Atom = 0xdd0e
Alt Atom = 0xf303
Annotation Atom = 0x1c90a
AnnotationXml Atom = 0x1c90e
Applet Atom = 0x31906
Area Atom = 0x35604
Article Atom = 0x3fc07
As Atom = 0x3c02
Aside Atom = 0x10705
Async Atom = 0xff05
Audio Atom = 0x11505
Autocomplete Atom = 0x2780c
Autofocus Atom = 0x12109
Autoplay Atom = 0x13c08
B Atom = 0x101
Base Atom = 0x3b04
Basefont Atom = 0x3b08
Bdi Atom = 0xba03
Bdo Atom = 0x14b03
Bgsound Atom = 0x15e07
Big Atom = 0x17003
Blink Atom = 0x17305
Blockquote Atom = 0x1870a
Body Atom = 0x2804
Br Atom = 0x202
Button Atom = 0x19106
Canvas Atom = 0x10306
Caption Atom = 0x23107
Center Atom = 0x22006
Challenge Atom = 0x29b09
Charset Atom = 0x2107
Checked Atom = 0x47907
Cite Atom = 0x19c04
Class Atom = 0x56405
Code Atom = 0x5c504
Col Atom = 0x1ab03
Colgroup Atom = 0x1ab08
Color Atom = 0x1bf05
Cols Atom = 0x1c404
Colspan Atom = 0x1c407
Command Atom = 0x1d707
Content Atom = 0x58b07
Contenteditable Atom = 0x58b0f
Contextmenu Atom = 0x3800b
Controls Atom = 0x1de08
Coords Atom = 0x1ea06
Crossorigin Atom = 0x1fb0b
Data Atom = 0x4a504
Datalist Atom = 0x4a508
Datetime Atom = 0x2b808
Dd Atom = 0x2d702
Default Atom = 0x10a07
Defer Atom = 0x5c705
Del Atom = 0x45203
Desc Atom = 0x56104
Details Atom = 0x7207
Dfn Atom = 0x8703
Dialog Atom = 0xbb06
Dir Atom = 0x9303
Dirname Atom = 0x9307
Disabled Atom = 0x16408
Div Atom = 0x16b03
Dl Atom = 0x5e602
Download Atom = 0x46308
Draggable Atom = 0x17a09
Dropzone Atom = 0x40508
Dt Atom = 0x64b02
Em Atom = 0x6e02
Embed Atom = 0x6e05
Enctype Atom = 0x28d07
Face Atom = 0x21e04
Fieldset Atom = 0x22608
Figcaption Atom = 0x22e0a
Figure Atom = 0x24806
Font Atom = 0x3f04
Footer Atom = 0xf606
For Atom = 0x25403
ForeignObject Atom = 0x2540d
Foreignobject Atom = 0x2610d
Form Atom = 0x26e04
Formaction Atom = 0x26e0a
Formenctype Atom = 0x2890b
Formmethod Atom = 0x2a40a
Formnovalidate Atom = 0x2ae0e
Formtarget Atom = 0x2c00a
Frame Atom = 0x8b05
Frameset Atom = 0x8b08
H1 Atom = 0x15c02
H2 Atom = 0x2de02
H3 Atom = 0x30d02
H4 Atom = 0x34502
H5 Atom = 0x34f02
H6 Atom = 0x64d02
Head Atom = 0x33104
Header Atom = 0x33106
Headers Atom = 0x33107
Height Atom = 0x5206
Hgroup Atom = 0x2ca06
Hidden Atom = 0x2d506
High Atom = 0x2db04
Hr Atom = 0x15702
Href Atom = 0x2e004
Hreflang Atom = 0x2e008
Html Atom = 0x5604
HttpEquiv Atom = 0x2e80a
I Atom = 0x601
Icon Atom = 0x58a04
Id Atom = 0x10902
Iframe Atom = 0x2fc06
Image Atom = 0x30205
Img Atom = 0x30703
Input Atom = 0x44b05
Inputmode Atom = 0x44b09
Ins Atom = 0x20403
Integrity Atom = 0x23f09
Is Atom = 0x16502
Isindex Atom = 0x30f07
Ismap Atom = 0x31605
Itemid Atom = 0x38b06
Itemprop Atom = 0x19d08
Itemref Atom = 0x3cd07
Itemscope Atom = 0x67109
Itemtype Atom = 0x31f08
Kbd Atom = 0xb903
Keygen Atom = 0x3206
Keytype Atom = 0xd607
Kind Atom = 0x17704
Label Atom = 0x5905
Lang Atom = 0x2e404
Legend Atom = 0x18106
Li Atom = 0xb202
Link Atom = 0x17404
List Atom = 0x4a904
Listing Atom = 0x4a907
Loop Atom = 0x5d04
Low Atom = 0xc303
Main Atom = 0x1004
Malignmark Atom = 0xb00a
Manifest Atom = 0x6d708
Map Atom = 0x31803
Mark Atom = 0xb604
Marquee Atom = 0x32707
Math Atom = 0x32e04
Max Atom = 0x33d03
Maxlength Atom = 0x33d09
Media Atom = 0xe605
Mediagroup Atom = 0xe60a
Menu Atom = 0x38704
Menuitem Atom = 0x38708
Meta Atom = 0x4b804
Meter Atom = 0x9805
Method Atom = 0x2a806
Mglyph Atom = 0x30806
Mi Atom = 0x34702
Min Atom = 0x34703
Minlength Atom = 0x34709
Mn Atom = 0x2b102
Mo Atom = 0xa402
Ms Atom = 0x67402
Mtext Atom = 0x35105
Multiple Atom = 0x35f08
Muted Atom = 0x36705
Name Atom = 0x9604
Nav Atom = 0x1303
Nobr Atom = 0x3704
Noembed Atom = 0x6c07
Noframes Atom = 0x8908
Nomodule Atom = 0xa208
Nonce Atom = 0x1a605
Noscript Atom = 0x21608
Novalidate Atom = 0x2b20a
Object Atom = 0x26806
Ol Atom = 0x13702
Onabort Atom = 0x19507
Onafterprint Atom = 0x2360c
Onautocomplete Atom = 0x2760e
Onautocompleteerror Atom = 0x27613
Onauxclick Atom = 0x61f0a
Onbeforeprint Atom = 0x69e0d
Onbeforeunload Atom = 0x6e70e
Onblur Atom = 0x56d06
Oncancel Atom = 0x11908
Oncanplay Atom = 0x14d09
Oncanplaythrough Atom = 0x14d10
Onchange Atom = 0x41b08
Onclick Atom = 0x2f507
Onclose Atom = 0x36c07
Oncontextmenu Atom = 0x37e0d
Oncopy Atom = 0x39106
Oncuechange Atom = 0x3970b
Oncut Atom = 0x3a205
Ondblclick Atom = 0x3a70a
Ondrag Atom = 0x3b106
Ondragend Atom = 0x3b109
Ondragenter Atom = 0x3ba0b
Ondragexit Atom = 0x3c50a
Ondragleave Atom = 0x3df0b
Ondragover Atom = 0x3ea0a
Ondragstart Atom = 0x3f40b
Ondrop Atom = 0x40306
Ondurationchange Atom = 0x41310
Onemptied Atom = 0x40a09
Onended Atom = 0x42307
Onerror Atom = 0x42a07
Onfocus Atom = 0x43107
Onhashchange Atom = 0x43d0c
Oninput Atom = 0x44907
Oninvalid Atom = 0x45509
Onkeydown Atom = 0x45e09
Onkeypress Atom = 0x46b0a
Onkeyup Atom = 0x48007
Onlanguagechange Atom = 0x48d10
Onload Atom = 0x49d06
Onloadeddata Atom = 0x49d0c
Onloadedmetadata Atom = 0x4b010
Onloadend Atom = 0x4c609
Onloadstart Atom = 0x4cf0b
Onmessage Atom = 0x4da09
Onmessageerror Atom = 0x4da0e
Onmousedown Atom = 0x4e80b
Onmouseenter Atom = 0x4f30c
Onmouseleave Atom = 0x4ff0c
Onmousemove Atom = 0x50b0b
Onmouseout Atom = 0x5160a
Onmouseover Atom = 0x5230b
Onmouseup Atom = 0x52e09
Onmousewheel Atom = 0x53c0c
Onoffline Atom = 0x54809
Ononline Atom = 0x55108
Onpagehide Atom = 0x5590a
Onpageshow Atom = 0x5730a
Onpaste Atom = 0x57f07
Onpause Atom = 0x59a07
Onplay Atom = 0x5a406
Onplaying Atom = 0x5a409
Onpopstate Atom = 0x5ad0a
Onprogress Atom = 0x5b70a
Onratechange Atom = 0x5cc0c
Onrejectionhandled Atom = 0x5d812
Onreset Atom = 0x5ea07
Onresize Atom = 0x5f108
Onscroll Atom = 0x60008
Onsecuritypolicyviolation Atom = 0x60819
Onseeked Atom = 0x62908
Onseeking Atom = 0x63109
Onselect Atom = 0x63a08
Onshow Atom = 0x64406
Onsort Atom = 0x64f06
Onstalled Atom = 0x65909
Onstorage Atom = 0x66209
Onsubmit Atom = 0x66b08
Onsuspend Atom = 0x67b09
Ontimeupdate Atom = 0x400c
Ontoggle Atom = 0x68408
Onunhandledrejection Atom = 0x68c14
Onunload Atom = 0x6ab08
Onvolumechange Atom = 0x6b30e
Onwaiting Atom = 0x6c109
Onwheel Atom = 0x6ca07
Open Atom = 0x1a304
Optgroup Atom = 0x5f08
Optimum Atom = 0x6d107
Option Atom = 0x6e306
Output Atom = 0x51d06
P Atom = 0xc01
Param Atom = 0xc05
Pattern Atom = 0x6607
Picture Atom = 0x7b07
Ping Atom = 0xef04
Placeholder Atom = 0x1310b
Plaintext Atom = 0x1b209
Playsinline Atom = 0x1400b
Poster Atom = 0x2cf06
Pre Atom = 0x47003
Preload Atom = 0x48607
Progress Atom = 0x5b908
Prompt Atom = 0x53606
Public Atom = 0x58606
Q Atom = 0xcf01
Radiogroup Atom = 0x30a
Rb Atom = 0x3a02
Readonly Atom = 0x35708
Referrerpolicy Atom = 0x3d10e
Rel Atom = 0x48703
Required Atom = 0x24c08
Reversed Atom = 0x8008
Rows Atom = 0x9c04
Rowspan Atom = 0x9c07
Rp Atom = 0x23c02
Rt Atom = 0x19a02
Rtc Atom = 0x19a03
Ruby Atom = 0xfb04
S Atom = 0x2501
Samp Atom = 0x7804
Sandbox Atom = 0x12907
Scope Atom = 0x67505
Scoped Atom = 0x67506
Script Atom = 0x21806
Seamless Atom = 0x37108
Section Atom = 0x56807
Select Atom = 0x63c06
Selected Atom = 0x63c08
Shape Atom = 0x1e505
Size Atom = 0x5f504
Sizes Atom = 0x5f505
Slot Atom = 0x1ef04
Small Atom = 0x20605
Sortable Atom = 0x65108
Sorted Atom = 0x33706
Source Atom = 0x37806
Spacer Atom = 0x43706
Span Atom = 0x9f04
Spellcheck Atom = 0x4740a
Src Atom = 0x5c003
Srcdoc Atom = 0x5c006
Srclang Atom = 0x5f907
Srcset Atom = 0x6f906
Start Atom = 0x3fa05
Step Atom = 0x58304
Strike Atom = 0xd206
Strong Atom = 0x6dd06
Style Atom = 0x6ff05
Sub Atom = 0x66d03
Summary Atom = 0x70407
Sup Atom = 0x70b03
Svg Atom = 0x70e03
System Atom = 0x71106
Tabindex Atom = 0x4be08
Table Atom = 0x59505
Target Atom = 0x2c406
Tbody Atom = 0x2705
Td Atom = 0x9202
Template Atom = 0x71408
Textarea Atom = 0x35208
Tfoot Atom = 0xf505
Th Atom = 0x15602
Thead Atom = 0x33005
Time Atom = 0x4204
Title Atom = 0x11005
Tr Atom = 0xcc02
Track Atom = 0x1ba05
Translate Atom = 0x1f209
Tt Atom = 0x6802
Type Atom = 0xd904
Typemustmatch Atom = 0x2900d
U Atom = 0xb01
Ul Atom = 0xa702
Updateviacache Atom = 0x460e
Usemap Atom = 0x59e06
Value Atom = 0x1505
Var Atom = 0x16d03
Video Atom = 0x2f105
Wbr Atom = 0x57c03
Width Atom = 0x64905
Workertype Atom = 0x71c0a
Wrap Atom = 0x72604
Xmp Atom = 0x12f03
)
const hash0 = 0x81cdf10e
const maxAtomLen = 25
var table = [1 << 9]Atom{
0x1: 0xe60a, // mediagroup
0x2: 0x2e404, // lang
0x4: 0x2c09, // accesskey
0x5: 0x8b08, // frameset
0x7: 0x63a08, // onselect
0x8: 0x71106, // system
0xa: 0x64905, // width
0xc: 0x2890b, // formenctype
0xd: 0x13702, // ol
0xe: 0x3970b, // oncuechange
0x10: 0x14b03, // bdo
0x11: 0x11505, // audio
0x12: 0x17a09, // draggable
0x14: 0x2f105, // video
0x15: 0x2b102, // mn
0x16: 0x38704, // menu
0x17: 0x2cf06, // poster
0x19: 0xf606, // footer
0x1a: 0x2a806, // method
0x1b: 0x2b808, // datetime
0x1c: 0x19507, // onabort
0x1d: 0x460e, // updateviacache
0x1e: 0xff05, // async
0x1f: 0x49d06, // onload
0x21: 0x11908, // oncancel
0x22: 0x62908, // onseeked
0x23: 0x30205, // image
0x24: 0x5d812, // onrejectionhandled
0x26: 0x17404, // link
0x27: 0x51d06, // output
0x28: 0x33104, // head
0x29: 0x4ff0c, // onmouseleave
0x2a: 0x57f07, // onpaste
0x2b: 0x5a409, // onplaying
0x2c: 0x1c407, // colspan
0x2f: 0x1bf05, // color
0x30: 0x5f504, // size
0x31: 0x2e80a, // http-equiv
0x33: 0x601, // i
0x34: 0x5590a, // onpagehide
0x35: 0x68c14, // onunhandledrejection
0x37: 0x42a07, // onerror
0x3a: 0x3b08, // basefont
0x3f: 0x1303, // nav
0x40: 0x17704, // kind
0x41: 0x35708, // readonly
0x42: 0x30806, // mglyph
0x44: 0xb202, // li
0x46: 0x2d506, // hidden
0x47: 0x70e03, // svg
0x48: 0x58304, // step
0x49: 0x23f09, // integrity
0x4a: 0x58606, // public
0x4c: 0x1ab03, // col
0x4d: 0x1870a, // blockquote
0x4e: 0x34f02, // h5
0x50: 0x5b908, // progress
0x51: 0x5f505, // sizes
0x52: 0x34502, // h4
0x56: 0x33005, // thead
0x57: 0xd607, // keytype
0x58: 0x5b70a, // onprogress
0x59: 0x44b09, // inputmode
0x5a: 0x3b109, // ondragend
0x5d: 0x3a205, // oncut
0x5e: 0x43706, // spacer
0x5f: 0x1ab08, // colgroup
0x62: 0x16502, // is
0x65: 0x3c02, // as
0x66: 0x54809, // onoffline
0x67: 0x33706, // sorted
0x69: 0x48d10, // onlanguagechange
0x6c: 0x43d0c, // onhashchange
0x6d: 0x9604, // name
0x6e: 0xf505, // tfoot
0x6f: 0x56104, // desc
0x70: 0x33d03, // max
0x72: 0x1ea06, // coords
0x73: 0x30d02, // h3
0x74: 0x6e70e, // onbeforeunload
0x75: 0x9c04, // rows
0x76: 0x63c06, // select
0x77: 0x9805, // meter
0x78: 0x38b06, // itemid
0x79: 0x53c0c, // onmousewheel
0x7a: 0x5c006, // srcdoc
0x7d: 0x1ba05, // track
0x7f: 0x31f08, // itemtype
0x82: 0xa402, // mo
0x83: 0x41b08, // onchange
0x84: 0x33107, // headers
0x85: 0x5cc0c, // onratechange
0x86: 0x60819, // onsecuritypolicyviolation
0x88: 0x4a508, // datalist
0x89: 0x4e80b, // onmousedown
0x8a: 0x1ef04, // slot
0x8b: 0x4b010, // onloadedmetadata
0x8c: 0x1a06, // accept
0x8d: 0x26806, // object
0x91: 0x6b30e, // onvolumechange
0x92: 0x2107, // charset
0x93: 0x27613, // onautocompleteerror
0x94: 0xc113, // allowpaymentrequest
0x95: 0x2804, // body
0x96: 0x10a07, // default
0x97: 0x63c08, // selected
0x98: 0x21e04, // face
0x99: 0x1e505, // shape
0x9b: 0x68408, // ontoggle
0x9e: 0x64b02, // dt
0x9f: 0xb604, // mark
0xa1: 0xb01, // u
0xa4: 0x6ab08, // onunload
0xa5: 0x5d04, // loop
0xa6: 0x16408, // disabled
0xaa: 0x42307, // onended
0xab: 0xb00a, // malignmark
0xad: 0x67b09, // onsuspend
0xae: 0x35105, // mtext
0xaf: 0x64f06, // onsort
0xb0: 0x19d08, // itemprop
0xb3: 0x67109, // itemscope
0xb4: 0x17305, // blink
0xb6: 0x3b106, // ondrag
0xb7: 0xa702, // ul
0xb8: 0x26e04, // form
0xb9: 0x12907, // sandbox
0xba: 0x8b05, // frame
0xbb: 0x1505, // value
0xbc: 0x66209, // onstorage
0xbf: 0xaa07, // acronym
0xc0: 0x19a02, // rt
0xc2: 0x202, // br
0xc3: 0x22608, // fieldset
0xc4: 0x2900d, // typemustmatch
0xc5: 0xa208, // nomodule
0xc6: 0x6c07, // noembed
0xc7: 0x69e0d, // onbeforeprint
0xc8: 0x19106, // button
0xc9: 0x2f507, // onclick
0xca: 0x70407, // summary
0xcd: 0xfb04, // ruby
0xce: 0x56405, // class
0xcf: 0x3f40b, // ondragstart
0xd0: 0x23107, // caption
0xd4: 0xdd0e, // allowusermedia
0xd5: 0x4cf0b, // onloadstart
0xd9: 0x16b03, // div
0xda: 0x4a904, // list
0xdb: 0x32e04, // math
0xdc: 0x44b05, // input
0xdf: 0x3ea0a, // ondragover
0xe0: 0x2de02, // h2
0xe2: 0x1b209, // plaintext
0xe4: 0x4f30c, // onmouseenter
0xe7: 0x47907, // checked
0xe8: 0x47003, // pre
0xea: 0x35f08, // multiple
0xeb: 0xba03, // bdi
0xec: 0x33d09, // maxlength
0xed: 0xcf01, // q
0xee: 0x61f0a, // onauxclick
0xf0: 0x57c03, // wbr
0xf2: 0x3b04, // base
0xf3: 0x6e306, // option
0xf5: 0x41310, // ondurationchange
0xf7: 0x8908, // noframes
0xf9: 0x40508, // dropzone
0xfb: 0x67505, // scope
0xfc: 0x8008, // reversed
0xfd: 0x3ba0b, // ondragenter
0xfe: 0x3fa05, // start
0xff: 0x12f03, // xmp
0x100: 0x5f907, // srclang
0x101: 0x30703, // img
0x104: 0x101, // b
0x105: 0x25403, // for
0x106: 0x10705, // aside
0x107: 0x44907, // oninput
0x108: 0x35604, // area
0x109: 0x2a40a, // formmethod
0x10a: 0x72604, // wrap
0x10c: 0x23c02, // rp
0x10d: 0x46b0a, // onkeypress
0x10e: 0x6802, // tt
0x110: 0x34702, // mi
0x111: 0x36705, // muted
0x112: 0xf303, // alt
0x113: 0x5c504, // code
0x114: 0x6e02, // em
0x115: 0x3c50a, // ondragexit
0x117: 0x9f04, // span
0x119: 0x6d708, // manifest
0x11a: 0x38708, // menuitem
0x11b: 0x58b07, // content
0x11d: 0x6c109, // onwaiting
0x11f: 0x4c609, // onloadend
0x121: 0x37e0d, // oncontextmenu
0x123: 0x56d06, // onblur
0x124: 0x3fc07, // article
0x125: 0x9303, // dir
0x126: 0xef04, // ping
0x127: 0x24c08, // required
0x128: 0x45509, // oninvalid
0x129: 0xb105, // align
0x12b: 0x58a04, // icon
0x12c: 0x64d02, // h6
0x12d: 0x1c404, // cols
0x12e: 0x22e0a, // figcaption
0x12f: 0x45e09, // onkeydown
0x130: 0x66b08, // onsubmit
0x131: 0x14d09, // oncanplay
0x132: 0x70b03, // sup
0x133: 0xc01, // p
0x135: 0x40a09, // onemptied
0x136: 0x39106, // oncopy
0x137: 0x19c04, // cite
0x138: 0x3a70a, // ondblclick
0x13a: 0x50b0b, // onmousemove
0x13c: 0x66d03, // sub
0x13d: 0x48703, // rel
0x13e: 0x5f08, // optgroup
0x142: 0x9c07, // rowspan
0x143: 0x37806, // source
0x144: 0x21608, // noscript
0x145: 0x1a304, // open
0x146: 0x20403, // ins
0x147: 0x2540d, // foreignObject
0x148: 0x5ad0a, // onpopstate
0x14a: 0x28d07, // enctype
0x14b: 0x2760e, // onautocomplete
0x14c: 0x35208, // textarea
0x14e: 0x2780c, // autocomplete
0x14f: 0x15702, // hr
0x150: 0x1de08, // controls
0x151: 0x10902, // id
0x153: 0x2360c, // onafterprint
0x155: 0x2610d, // foreignobject
0x156: 0x32707, // marquee
0x157: 0x59a07, // onpause
0x158: 0x5e602, // dl
0x159: 0x5206, // height
0x15a: 0x34703, // min
0x15b: 0x9307, // dirname
0x15c: 0x1f209, // translate
0x15d: 0x5604, // html
0x15e: 0x34709, // minlength
0x15f: 0x48607, // preload
0x160: 0x71408, // template
0x161: 0x3df0b, // ondragleave
0x162: 0x3a02, // rb
0x164: 0x5c003, // src
0x165: 0x6dd06, // strong
0x167: 0x7804, // samp
0x168: 0x6f307, // address
0x169: 0x55108, // ononline
0x16b: 0x1310b, // placeholder
0x16c: 0x2c406, // target
0x16d: 0x20605, // small
0x16e: 0x6ca07, // onwheel
0x16f: 0x1c90a, // annotation
0x170: 0x4740a, // spellcheck
0x171: 0x7207, // details
0x172: 0x10306, // canvas
0x173: 0x12109, // autofocus
0x174: 0xc05, // param
0x176: 0x46308, // download
0x177: 0x45203, // del
0x178: 0x36c07, // onclose
0x179: 0xb903, // kbd
0x17a: 0x31906, // applet
0x17b: 0x2e004, // href
0x17c: 0x5f108, // onresize
0x17e: 0x49d0c, // onloadeddata
0x180: 0xcc02, // tr
0x181: 0x2c00a, // formtarget
0x182: 0x11005, // title
0x183: 0x6ff05, // style
0x184: 0xd206, // strike
0x185: 0x59e06, // usemap
0x186: 0x2fc06, // iframe
0x187: 0x1004, // main
0x189: 0x7b07, // picture
0x18c: 0x31605, // ismap
0x18e: 0x4a504, // data
0x18f: 0x5905, // label
0x191: 0x3d10e, // referrerpolicy
0x192: 0x15602, // th
0x194: 0x53606, // prompt
0x195: 0x56807, // section
0x197: 0x6d107, // optimum
0x198: 0x2db04, // high
0x199: 0x15c02, // h1
0x19a: 0x65909, // onstalled
0x19b: 0x16d03, // var
0x19c: 0x4204, // time
0x19e: 0x67402, // ms
0x19f: 0x33106, // header
0x1a0: 0x4da09, // onmessage
0x1a1: 0x1a605, // nonce
0x1a2: 0x26e0a, // formaction
0x1a3: 0x22006, // center
0x1a4: 0x3704, // nobr
0x1a5: 0x59505, // table
0x1a6: 0x4a907, // listing
0x1a7: 0x18106, // legend
0x1a9: 0x29b09, // challenge
0x1aa: 0x24806, // figure
0x1ab: 0xe605, // media
0x1ae: 0xd904, // type
0x1af: 0x3f04, // font
0x1b0: 0x4da0e, // onmessageerror
0x1b1: 0x37108, // seamless
0x1b2: 0x8703, // dfn
0x1b3: 0x5c705, // defer
0x1b4: 0xc303, // low
0x1b5: 0x19a03, // rtc
0x1b6: 0x5230b, // onmouseover
0x1b7: 0x2b20a, // novalidate
0x1b8: 0x71c0a, // workertype
0x1ba: 0x3cd07, // itemref
0x1bd: 0x1, // a
0x1be: 0x31803, // map
0x1bf: 0x400c, // ontimeupdate
0x1c0: 0x15e07, // bgsound
0x1c1: 0x3206, // keygen
0x1c2: 0x2705, // tbody
0x1c5: 0x64406, // onshow
0x1c7: 0x2501, // s
0x1c8: 0x6607, // pattern
0x1cc: 0x14d10, // oncanplaythrough
0x1ce: 0x2d702, // dd
0x1cf: 0x6f906, // srcset
0x1d0: 0x17003, // big
0x1d2: 0x65108, // sortable
0x1d3: 0x48007, // onkeyup
0x1d5: 0x5a406, // onplay
0x1d7: 0x4b804, // meta
0x1d8: 0x40306, // ondrop
0x1da: 0x60008, // onscroll
0x1db: 0x1fb0b, // crossorigin
0x1dc: 0x5730a, // onpageshow
0x1dd: 0x4, // abbr
0x1de: 0x9202, // td
0x1df: 0x58b0f, // contenteditable
0x1e0: 0x27206, // action
0x1e1: 0x1400b, // playsinline
0x1e2: 0x43107, // onfocus
0x1e3: 0x2e008, // hreflang
0x1e5: 0x5160a, // onmouseout
0x1e6: 0x5ea07, // onreset
0x1e7: 0x13c08, // autoplay
0x1e8: 0x63109, // onseeking
0x1ea: 0x67506, // scoped
0x1ec: 0x30a, // radiogroup
0x1ee: 0x3800b, // contextmenu
0x1ef: 0x52e09, // onmouseup
0x1f1: 0x2ca06, // hgroup
0x1f2: 0x2080f, // allowfullscreen
0x1f3: 0x4be08, // tabindex
0x1f6: 0x30f07, // isindex
0x1f7: 0x1a0e, // accept-charset
0x1f8: 0x2ae0e, // formnovalidate
0x1fb: 0x1c90e, // annotation-xml
0x1fc: 0x6e05, // embed
0x1fd: 0x21806, // script
0x1fe: 0xbb06, // dialog
0x1ff: 0x1d707, // command
}
const atomText = "abbradiogrouparamainavalueaccept-charsetbodyaccesskeygenobrb" +
"asefontimeupdateviacacheightmlabelooptgroupatternoembedetail" +
"sampictureversedfnoframesetdirnameterowspanomoduleacronymali" +
"gnmarkbdialogallowpaymentrequestrikeytypeallowusermediagroup" +
"ingaltfooterubyasyncanvasidefaultitleaudioncancelautofocusan" +
"dboxmplaceholderautoplaysinlinebdoncanplaythrough1bgsoundisa" +
"bledivarbigblinkindraggablegendblockquotebuttonabortcitempro" +
"penoncecolgrouplaintextrackcolorcolspannotation-xmlcommandco" +
"ntrolshapecoordslotranslatecrossoriginsmallowfullscreenoscri" +
"ptfacenterfieldsetfigcaptionafterprintegrityfigurequiredfore" +
"ignObjectforeignobjectformactionautocompleteerrorformenctype" +
"mustmatchallengeformmethodformnovalidatetimeformtargethgroup" +
"osterhiddenhigh2hreflanghttp-equivideonclickiframeimageimgly" +
"ph3isindexismappletitemtypemarqueematheadersortedmaxlength4m" +
"inlength5mtextareadonlymultiplemutedoncloseamlessourceoncont" +
"extmenuitemidoncopyoncuechangeoncutondblclickondragendondrag" +
"enterondragexitemreferrerpolicyondragleaveondragoverondragst" +
"articleondropzonemptiedondurationchangeonendedonerroronfocus" +
"paceronhashchangeoninputmodeloninvalidonkeydownloadonkeypres" +
"spellcheckedonkeyupreloadonlanguagechangeonloadeddatalisting" +
"onloadedmetadatabindexonloadendonloadstartonmessageerroronmo" +
"usedownonmouseenteronmouseleaveonmousemoveonmouseoutputonmou" +
"seoveronmouseupromptonmousewheelonofflineononlineonpagehides" +
"classectionbluronpageshowbronpastepublicontenteditableonpaus" +
"emaponplayingonpopstateonprogressrcdocodeferonratechangeonre" +
"jectionhandledonresetonresizesrclangonscrollonsecuritypolicy" +
"violationauxclickonseekedonseekingonselectedonshowidth6onsor" +
"tableonstalledonstorageonsubmitemscopedonsuspendontoggleonun" +
"handledrejectionbeforeprintonunloadonvolumechangeonwaitingon" +
"wheeloptimumanifestrongoptionbeforeunloaddressrcsetstylesumm" +
"arysupsvgsystemplateworkertypewrap"

104
vendor/golang.org/x/net/html/const.go generated vendored Normal file
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@ -0,0 +1,104 @@
// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
// Section 12.2.4.2 of the HTML5 specification says "The following elements
// have varying levels of special parsing rules".
// https://html.spec.whatwg.org/multipage/syntax.html#the-stack-of-open-elements
var isSpecialElementMap = map[string]bool{
"address": true,
"applet": true,
"area": true,
"article": true,
"aside": true,
"base": true,
"basefont": true,
"bgsound": true,
"blockquote": true,
"body": true,
"br": true,
"button": true,
"caption": true,
"center": true,
"col": true,
"colgroup": true,
"dd": true,
"details": true,
"dir": true,
"div": true,
"dl": true,
"dt": true,
"embed": true,
"fieldset": true,
"figcaption": true,
"figure": true,
"footer": true,
"form": true,
"frame": true,
"frameset": true,
"h1": true,
"h2": true,
"h3": true,
"h4": true,
"h5": true,
"h6": true,
"head": true,
"header": true,
"hgroup": true,
"hr": true,
"html": true,
"iframe": true,
"img": true,
"input": true,
"isindex": true, // The 'isindex' element has been removed, but keep it for backwards compatibility.
"keygen": true,
"li": true,
"link": true,
"listing": true,
"main": true,
"marquee": true,
"menu": true,
"meta": true,
"nav": true,
"noembed": true,
"noframes": true,
"noscript": true,
"object": true,
"ol": true,
"p": true,
"param": true,
"plaintext": true,
"pre": true,
"script": true,
"section": true,
"select": true,
"source": true,
"style": true,
"summary": true,
"table": true,
"tbody": true,
"td": true,
"template": true,
"textarea": true,
"tfoot": true,
"th": true,
"thead": true,
"title": true,
"tr": true,
"track": true,
"ul": true,
"wbr": true,
"xmp": true,
}
func isSpecialElement(element *Node) bool {
switch element.Namespace {
case "", "html":
return isSpecialElementMap[element.Data]
case "svg":
return element.Data == "foreignObject"
}
return false
}

106
vendor/golang.org/x/net/html/doc.go generated vendored Normal file
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@ -0,0 +1,106 @@
// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
/*
Package html implements an HTML5-compliant tokenizer and parser.
Tokenization is done by creating a Tokenizer for an io.Reader r. It is the
caller's responsibility to ensure that r provides UTF-8 encoded HTML.
z := html.NewTokenizer(r)
Given a Tokenizer z, the HTML is tokenized by repeatedly calling z.Next(),
which parses the next token and returns its type, or an error:
for {
tt := z.Next()
if tt == html.ErrorToken {
// ...
return ...
}
// Process the current token.
}
There are two APIs for retrieving the current token. The high-level API is to
call Token; the low-level API is to call Text or TagName / TagAttr. Both APIs
allow optionally calling Raw after Next but before Token, Text, TagName, or
TagAttr. In EBNF notation, the valid call sequence per token is:
Next {Raw} [ Token | Text | TagName {TagAttr} ]
Token returns an independent data structure that completely describes a token.
Entities (such as "&lt;") are unescaped, tag names and attribute keys are
lower-cased, and attributes are collected into a []Attribute. For example:
for {
if z.Next() == html.ErrorToken {
// Returning io.EOF indicates success.
return z.Err()
}
emitToken(z.Token())
}
The low-level API performs fewer allocations and copies, but the contents of
the []byte values returned by Text, TagName and TagAttr may change on the next
call to Next. For example, to extract an HTML page's anchor text:
depth := 0
for {
tt := z.Next()
switch tt {
case html.ErrorToken:
return z.Err()
case html.TextToken:
if depth > 0 {
// emitBytes should copy the []byte it receives,
// if it doesn't process it immediately.
emitBytes(z.Text())
}
case html.StartTagToken, html.EndTagToken:
tn, _ := z.TagName()
if len(tn) == 1 && tn[0] == 'a' {
if tt == html.StartTagToken {
depth++
} else {
depth--
}
}
}
}
Parsing is done by calling Parse with an io.Reader, which returns the root of
the parse tree (the document element) as a *Node. It is the caller's
responsibility to ensure that the Reader provides UTF-8 encoded HTML. For
example, to process each anchor node in depth-first order:
doc, err := html.Parse(r)
if err != nil {
// ...
}
var f func(*html.Node)
f = func(n *html.Node) {
if n.Type == html.ElementNode && n.Data == "a" {
// Do something with n...
}
for c := n.FirstChild; c != nil; c = c.NextSibling {
f(c)
}
}
f(doc)
The relevant specifications include:
https://html.spec.whatwg.org/multipage/syntax.html and
https://html.spec.whatwg.org/multipage/syntax.html#tokenization
*/
package html // import "golang.org/x/net/html"
// The tokenization algorithm implemented by this package is not a line-by-line
// transliteration of the relatively verbose state-machine in the WHATWG
// specification. A more direct approach is used instead, where the program
// counter implies the state, such as whether it is tokenizing a tag or a text
// node. Specification compliance is verified by checking expected and actual
// outputs over a test suite rather than aiming for algorithmic fidelity.
// TODO(nigeltao): Does a DOM API belong in this package or a separate one?
// TODO(nigeltao): How does parsing interact with a JavaScript engine?

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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"strings"
)
// parseDoctype parses the data from a DoctypeToken into a name,
// public identifier, and system identifier. It returns a Node whose Type
// is DoctypeNode, whose Data is the name, and which has attributes
// named "system" and "public" for the two identifiers if they were present.
// quirks is whether the document should be parsed in "quirks mode".
func parseDoctype(s string) (n *Node, quirks bool) {
n = &Node{Type: DoctypeNode}
// Find the name.
space := strings.IndexAny(s, whitespace)
if space == -1 {
space = len(s)
}
n.Data = s[:space]
// The comparison to "html" is case-sensitive.
if n.Data != "html" {
quirks = true
}
n.Data = strings.ToLower(n.Data)
s = strings.TrimLeft(s[space:], whitespace)
if len(s) < 6 {
// It can't start with "PUBLIC" or "SYSTEM".
// Ignore the rest of the string.
return n, quirks || s != ""
}
key := strings.ToLower(s[:6])
s = s[6:]
for key == "public" || key == "system" {
s = strings.TrimLeft(s, whitespace)
if s == "" {
break
}
quote := s[0]
if quote != '"' && quote != '\'' {
break
}
s = s[1:]
q := strings.IndexRune(s, rune(quote))
var id string
if q == -1 {
id = s
s = ""
} else {
id = s[:q]
s = s[q+1:]
}
n.Attr = append(n.Attr, Attribute{Key: key, Val: id})
if key == "public" {
key = "system"
} else {
key = ""
}
}
if key != "" || s != "" {
quirks = true
} else if len(n.Attr) > 0 {
if n.Attr[0].Key == "public" {
public := strings.ToLower(n.Attr[0].Val)
switch public {
case "-//w3o//dtd w3 html strict 3.0//en//", "-/w3d/dtd html 4.0 transitional/en", "html":
quirks = true
default:
for _, q := range quirkyIDs {
if strings.HasPrefix(public, q) {
quirks = true
break
}
}
}
// The following two public IDs only cause quirks mode if there is no system ID.
if len(n.Attr) == 1 && (strings.HasPrefix(public, "-//w3c//dtd html 4.01 frameset//") ||
strings.HasPrefix(public, "-//w3c//dtd html 4.01 transitional//")) {
quirks = true
}
}
if lastAttr := n.Attr[len(n.Attr)-1]; lastAttr.Key == "system" &&
strings.ToLower(lastAttr.Val) == "http://www.ibm.com/data/dtd/v11/ibmxhtml1-transitional.dtd" {
quirks = true
}
}
return n, quirks
}
// quirkyIDs is a list of public doctype identifiers that cause a document
// to be interpreted in quirks mode. The identifiers should be in lower case.
var quirkyIDs = []string{
"+//silmaril//dtd html pro v0r11 19970101//",
"-//advasoft ltd//dtd html 3.0 aswedit + extensions//",
"-//as//dtd html 3.0 aswedit + extensions//",
"-//ietf//dtd html 2.0 level 1//",
"-//ietf//dtd html 2.0 level 2//",
"-//ietf//dtd html 2.0 strict level 1//",
"-//ietf//dtd html 2.0 strict level 2//",
"-//ietf//dtd html 2.0 strict//",
"-//ietf//dtd html 2.0//",
"-//ietf//dtd html 2.1e//",
"-//ietf//dtd html 3.0//",
"-//ietf//dtd html 3.2 final//",
"-//ietf//dtd html 3.2//",
"-//ietf//dtd html 3//",
"-//ietf//dtd html level 0//",
"-//ietf//dtd html level 1//",
"-//ietf//dtd html level 2//",
"-//ietf//dtd html level 3//",
"-//ietf//dtd html strict level 0//",
"-//ietf//dtd html strict level 1//",
"-//ietf//dtd html strict level 2//",
"-//ietf//dtd html strict level 3//",
"-//ietf//dtd html strict//",
"-//ietf//dtd html//",
"-//metrius//dtd metrius presentational//",
"-//microsoft//dtd internet explorer 2.0 html strict//",
"-//microsoft//dtd internet explorer 2.0 html//",
"-//microsoft//dtd internet explorer 2.0 tables//",
"-//microsoft//dtd internet explorer 3.0 html strict//",
"-//microsoft//dtd internet explorer 3.0 html//",
"-//microsoft//dtd internet explorer 3.0 tables//",
"-//netscape comm. corp.//dtd html//",
"-//netscape comm. corp.//dtd strict html//",
"-//o'reilly and associates//dtd html 2.0//",
"-//o'reilly and associates//dtd html extended 1.0//",
"-//o'reilly and associates//dtd html extended relaxed 1.0//",
"-//softquad software//dtd hotmetal pro 6.0::19990601::extensions to html 4.0//",
"-//softquad//dtd hotmetal pro 4.0::19971010::extensions to html 4.0//",
"-//spyglass//dtd html 2.0 extended//",
"-//sq//dtd html 2.0 hotmetal + extensions//",
"-//sun microsystems corp.//dtd hotjava html//",
"-//sun microsystems corp.//dtd hotjava strict html//",
"-//w3c//dtd html 3 1995-03-24//",
"-//w3c//dtd html 3.2 draft//",
"-//w3c//dtd html 3.2 final//",
"-//w3c//dtd html 3.2//",
"-//w3c//dtd html 3.2s draft//",
"-//w3c//dtd html 4.0 frameset//",
"-//w3c//dtd html 4.0 transitional//",
"-//w3c//dtd html experimental 19960712//",
"-//w3c//dtd html experimental 970421//",
"-//w3c//dtd w3 html//",
"-//w3o//dtd w3 html 3.0//",
"-//webtechs//dtd mozilla html 2.0//",
"-//webtechs//dtd mozilla html//",
}

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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"bytes"
"strings"
"unicode/utf8"
)
// These replacements permit compatibility with old numeric entities that
// assumed Windows-1252 encoding.
// https://html.spec.whatwg.org/multipage/syntax.html#consume-a-character-reference
var replacementTable = [...]rune{
'\u20AC', // First entry is what 0x80 should be replaced with.
'\u0081',
'\u201A',
'\u0192',
'\u201E',
'\u2026',
'\u2020',
'\u2021',
'\u02C6',
'\u2030',
'\u0160',
'\u2039',
'\u0152',
'\u008D',
'\u017D',
'\u008F',
'\u0090',
'\u2018',
'\u2019',
'\u201C',
'\u201D',
'\u2022',
'\u2013',
'\u2014',
'\u02DC',
'\u2122',
'\u0161',
'\u203A',
'\u0153',
'\u009D',
'\u017E',
'\u0178', // Last entry is 0x9F.
// 0x00->'\uFFFD' is handled programmatically.
// 0x0D->'\u000D' is a no-op.
}
// unescapeEntity reads an entity like "&lt;" from b[src:] and writes the
// corresponding "<" to b[dst:], returning the incremented dst and src cursors.
// Precondition: b[src] == '&' && dst <= src.
// attribute should be true if parsing an attribute value.
func unescapeEntity(b []byte, dst, src int, attribute bool) (dst1, src1 int) {
// https://html.spec.whatwg.org/multipage/syntax.html#consume-a-character-reference
// i starts at 1 because we already know that s[0] == '&'.
i, s := 1, b[src:]
if len(s) <= 1 {
b[dst] = b[src]
return dst + 1, src + 1
}
if s[i] == '#' {
if len(s) <= 3 { // We need to have at least "&#.".
b[dst] = b[src]
return dst + 1, src + 1
}
i++
c := s[i]
hex := false
if c == 'x' || c == 'X' {
hex = true
i++
}
x := '\x00'
for i < len(s) {
c = s[i]
i++
if hex {
if '0' <= c && c <= '9' {
x = 16*x + rune(c) - '0'
continue
} else if 'a' <= c && c <= 'f' {
x = 16*x + rune(c) - 'a' + 10
continue
} else if 'A' <= c && c <= 'F' {
x = 16*x + rune(c) - 'A' + 10
continue
}
} else if '0' <= c && c <= '9' {
x = 10*x + rune(c) - '0'
continue
}
if c != ';' {
i--
}
break
}
if i <= 3 { // No characters matched.
b[dst] = b[src]
return dst + 1, src + 1
}
if 0x80 <= x && x <= 0x9F {
// Replace characters from Windows-1252 with UTF-8 equivalents.
x = replacementTable[x-0x80]
} else if x == 0 || (0xD800 <= x && x <= 0xDFFF) || x > 0x10FFFF {
// Replace invalid characters with the replacement character.
x = '\uFFFD'
}
return dst + utf8.EncodeRune(b[dst:], x), src + i
}
// Consume the maximum number of characters possible, with the
// consumed characters matching one of the named references.
for i < len(s) {
c := s[i]
i++
// Lower-cased characters are more common in entities, so we check for them first.
if 'a' <= c && c <= 'z' || 'A' <= c && c <= 'Z' || '0' <= c && c <= '9' {
continue
}
if c != ';' {
i--
}
break
}
entityName := string(s[1:i])
if entityName == "" {
// No-op.
} else if attribute && entityName[len(entityName)-1] != ';' && len(s) > i && s[i] == '=' {
// No-op.
} else if x := entity[entityName]; x != 0 {
return dst + utf8.EncodeRune(b[dst:], x), src + i
} else if x := entity2[entityName]; x[0] != 0 {
dst1 := dst + utf8.EncodeRune(b[dst:], x[0])
return dst1 + utf8.EncodeRune(b[dst1:], x[1]), src + i
} else if !attribute {
maxLen := len(entityName) - 1
if maxLen > longestEntityWithoutSemicolon {
maxLen = longestEntityWithoutSemicolon
}
for j := maxLen; j > 1; j-- {
if x := entity[entityName[:j]]; x != 0 {
return dst + utf8.EncodeRune(b[dst:], x), src + j + 1
}
}
}
dst1, src1 = dst+i, src+i
copy(b[dst:dst1], b[src:src1])
return dst1, src1
}
// unescape unescapes b's entities in-place, so that "a&lt;b" becomes "a<b".
// attribute should be true if parsing an attribute value.
func unescape(b []byte, attribute bool) []byte {
for i, c := range b {
if c == '&' {
dst, src := unescapeEntity(b, i, i, attribute)
for src < len(b) {
c := b[src]
if c == '&' {
dst, src = unescapeEntity(b, dst, src, attribute)
} else {
b[dst] = c
dst, src = dst+1, src+1
}
}
return b[0:dst]
}
}
return b
}
// lower lower-cases the A-Z bytes in b in-place, so that "aBc" becomes "abc".
func lower(b []byte) []byte {
for i, c := range b {
if 'A' <= c && c <= 'Z' {
b[i] = c + 'a' - 'A'
}
}
return b
}
const escapedChars = "&'<>\"\r"
func escape(w writer, s string) error {
i := strings.IndexAny(s, escapedChars)
for i != -1 {
if _, err := w.WriteString(s[:i]); err != nil {
return err
}
var esc string
switch s[i] {
case '&':
esc = "&amp;"
case '\'':
// "&#39;" is shorter than "&apos;" and apos was not in HTML until HTML5.
esc = "&#39;"
case '<':
esc = "&lt;"
case '>':
esc = "&gt;"
case '"':
// "&#34;" is shorter than "&quot;".
esc = "&#34;"
case '\r':
esc = "&#13;"
default:
panic("unrecognized escape character")
}
s = s[i+1:]
if _, err := w.WriteString(esc); err != nil {
return err
}
i = strings.IndexAny(s, escapedChars)
}
_, err := w.WriteString(s)
return err
}
// EscapeString escapes special characters like "<" to become "&lt;". It
// escapes only five such characters: <, >, &, ' and ".
// UnescapeString(EscapeString(s)) == s always holds, but the converse isn't
// always true.
func EscapeString(s string) string {
if strings.IndexAny(s, escapedChars) == -1 {
return s
}
var buf bytes.Buffer
escape(&buf, s)
return buf.String()
}
// UnescapeString unescapes entities like "&lt;" to become "<". It unescapes a
// larger range of entities than EscapeString escapes. For example, "&aacute;"
// unescapes to "á", as does "&#225;" and "&xE1;".
// UnescapeString(EscapeString(s)) == s always holds, but the converse isn't
// always true.
func UnescapeString(s string) string {
for _, c := range s {
if c == '&' {
return string(unescape([]byte(s), false))
}
}
return s
}

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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"strings"
)
func adjustAttributeNames(aa []Attribute, nameMap map[string]string) {
for i := range aa {
if newName, ok := nameMap[aa[i].Key]; ok {
aa[i].Key = newName
}
}
}
func adjustForeignAttributes(aa []Attribute) {
for i, a := range aa {
if a.Key == "" || a.Key[0] != 'x' {
continue
}
switch a.Key {
case "xlink:actuate", "xlink:arcrole", "xlink:href", "xlink:role", "xlink:show",
"xlink:title", "xlink:type", "xml:base", "xml:lang", "xml:space", "xmlns:xlink":
j := strings.Index(a.Key, ":")
aa[i].Namespace = a.Key[:j]
aa[i].Key = a.Key[j+1:]
}
}
}
func htmlIntegrationPoint(n *Node) bool {
if n.Type != ElementNode {
return false
}
switch n.Namespace {
case "math":
if n.Data == "annotation-xml" {
for _, a := range n.Attr {
if a.Key == "encoding" {
val := strings.ToLower(a.Val)
if val == "text/html" || val == "application/xhtml+xml" {
return true
}
}
}
}
case "svg":
switch n.Data {
case "desc", "foreignObject", "title":
return true
}
}
return false
}
func mathMLTextIntegrationPoint(n *Node) bool {
if n.Namespace != "math" {
return false
}
switch n.Data {
case "mi", "mo", "mn", "ms", "mtext":
return true
}
return false
}
// Section 12.2.6.5.
var breakout = map[string]bool{
"b": true,
"big": true,
"blockquote": true,
"body": true,
"br": true,
"center": true,
"code": true,
"dd": true,
"div": true,
"dl": true,
"dt": true,
"em": true,
"embed": true,
"h1": true,
"h2": true,
"h3": true,
"h4": true,
"h5": true,
"h6": true,
"head": true,
"hr": true,
"i": true,
"img": true,
"li": true,
"listing": true,
"menu": true,
"meta": true,
"nobr": true,
"ol": true,
"p": true,
"pre": true,
"ruby": true,
"s": true,
"small": true,
"span": true,
"strong": true,
"strike": true,
"sub": true,
"sup": true,
"table": true,
"tt": true,
"u": true,
"ul": true,
"var": true,
}
// Section 12.2.6.5.
var svgTagNameAdjustments = map[string]string{
"altglyph": "altGlyph",
"altglyphdef": "altGlyphDef",
"altglyphitem": "altGlyphItem",
"animatecolor": "animateColor",
"animatemotion": "animateMotion",
"animatetransform": "animateTransform",
"clippath": "clipPath",
"feblend": "feBlend",
"fecolormatrix": "feColorMatrix",
"fecomponenttransfer": "feComponentTransfer",
"fecomposite": "feComposite",
"feconvolvematrix": "feConvolveMatrix",
"fediffuselighting": "feDiffuseLighting",
"fedisplacementmap": "feDisplacementMap",
"fedistantlight": "feDistantLight",
"feflood": "feFlood",
"fefunca": "feFuncA",
"fefuncb": "feFuncB",
"fefuncg": "feFuncG",
"fefuncr": "feFuncR",
"fegaussianblur": "feGaussianBlur",
"feimage": "feImage",
"femerge": "feMerge",
"femergenode": "feMergeNode",
"femorphology": "feMorphology",
"feoffset": "feOffset",
"fepointlight": "fePointLight",
"fespecularlighting": "feSpecularLighting",
"fespotlight": "feSpotLight",
"fetile": "feTile",
"feturbulence": "feTurbulence",
"foreignobject": "foreignObject",
"glyphref": "glyphRef",
"lineargradient": "linearGradient",
"radialgradient": "radialGradient",
"textpath": "textPath",
}
// Section 12.2.6.1
var mathMLAttributeAdjustments = map[string]string{
"definitionurl": "definitionURL",
}
var svgAttributeAdjustments = map[string]string{
"attributename": "attributeName",
"attributetype": "attributeType",
"basefrequency": "baseFrequency",
"baseprofile": "baseProfile",
"calcmode": "calcMode",
"clippathunits": "clipPathUnits",
"contentscripttype": "contentScriptType",
"contentstyletype": "contentStyleType",
"diffuseconstant": "diffuseConstant",
"edgemode": "edgeMode",
"externalresourcesrequired": "externalResourcesRequired",
"filterres": "filterRes",
"filterunits": "filterUnits",
"glyphref": "glyphRef",
"gradienttransform": "gradientTransform",
"gradientunits": "gradientUnits",
"kernelmatrix": "kernelMatrix",
"kernelunitlength": "kernelUnitLength",
"keypoints": "keyPoints",
"keysplines": "keySplines",
"keytimes": "keyTimes",
"lengthadjust": "lengthAdjust",
"limitingconeangle": "limitingConeAngle",
"markerheight": "markerHeight",
"markerunits": "markerUnits",
"markerwidth": "markerWidth",
"maskcontentunits": "maskContentUnits",
"maskunits": "maskUnits",
"numoctaves": "numOctaves",
"pathlength": "pathLength",
"patterncontentunits": "patternContentUnits",
"patterntransform": "patternTransform",
"patternunits": "patternUnits",
"pointsatx": "pointsAtX",
"pointsaty": "pointsAtY",
"pointsatz": "pointsAtZ",
"preservealpha": "preserveAlpha",
"preserveaspectratio": "preserveAspectRatio",
"primitiveunits": "primitiveUnits",
"refx": "refX",
"refy": "refY",
"repeatcount": "repeatCount",
"repeatdur": "repeatDur",
"requiredextensions": "requiredExtensions",
"requiredfeatures": "requiredFeatures",
"specularconstant": "specularConstant",
"specularexponent": "specularExponent",
"spreadmethod": "spreadMethod",
"startoffset": "startOffset",
"stddeviation": "stdDeviation",
"stitchtiles": "stitchTiles",
"surfacescale": "surfaceScale",
"systemlanguage": "systemLanguage",
"tablevalues": "tableValues",
"targetx": "targetX",
"targety": "targetY",
"textlength": "textLength",
"viewbox": "viewBox",
"viewtarget": "viewTarget",
"xchannelselector": "xChannelSelector",
"ychannelselector": "yChannelSelector",
"zoomandpan": "zoomAndPan",
}

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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"golang.org/x/net/html/atom"
)
// A NodeType is the type of a Node.
type NodeType uint32
const (
ErrorNode NodeType = iota
TextNode
DocumentNode
ElementNode
CommentNode
DoctypeNode
scopeMarkerNode
)
// Section 12.2.4.3 says "The markers are inserted when entering applet,
// object, marquee, template, td, th, and caption elements, and are used
// to prevent formatting from "leaking" into applet, object, marquee,
// template, td, th, and caption elements".
var scopeMarker = Node{Type: scopeMarkerNode}
// A Node consists of a NodeType and some Data (tag name for element nodes,
// content for text) and are part of a tree of Nodes. Element nodes may also
// have a Namespace and contain a slice of Attributes. Data is unescaped, so
// that it looks like "a<b" rather than "a&lt;b". For element nodes, DataAtom
// is the atom for Data, or zero if Data is not a known tag name.
//
// An empty Namespace implies a "http://www.w3.org/1999/xhtml" namespace.
// Similarly, "math" is short for "http://www.w3.org/1998/Math/MathML", and
// "svg" is short for "http://www.w3.org/2000/svg".
type Node struct {
Parent, FirstChild, LastChild, PrevSibling, NextSibling *Node
Type NodeType
DataAtom atom.Atom
Data string
Namespace string
Attr []Attribute
}
// InsertBefore inserts newChild as a child of n, immediately before oldChild
// in the sequence of n's children. oldChild may be nil, in which case newChild
// is appended to the end of n's children.
//
// It will panic if newChild already has a parent or siblings.
func (n *Node) InsertBefore(newChild, oldChild *Node) {
if newChild.Parent != nil || newChild.PrevSibling != nil || newChild.NextSibling != nil {
panic("html: InsertBefore called for an attached child Node")
}
var prev, next *Node
if oldChild != nil {
prev, next = oldChild.PrevSibling, oldChild
} else {
prev = n.LastChild
}
if prev != nil {
prev.NextSibling = newChild
} else {
n.FirstChild = newChild
}
if next != nil {
next.PrevSibling = newChild
} else {
n.LastChild = newChild
}
newChild.Parent = n
newChild.PrevSibling = prev
newChild.NextSibling = next
}
// AppendChild adds a node c as a child of n.
//
// It will panic if c already has a parent or siblings.
func (n *Node) AppendChild(c *Node) {
if c.Parent != nil || c.PrevSibling != nil || c.NextSibling != nil {
panic("html: AppendChild called for an attached child Node")
}
last := n.LastChild
if last != nil {
last.NextSibling = c
} else {
n.FirstChild = c
}
n.LastChild = c
c.Parent = n
c.PrevSibling = last
}
// RemoveChild removes a node c that is a child of n. Afterwards, c will have
// no parent and no siblings.
//
// It will panic if c's parent is not n.
func (n *Node) RemoveChild(c *Node) {
if c.Parent != n {
panic("html: RemoveChild called for a non-child Node")
}
if n.FirstChild == c {
n.FirstChild = c.NextSibling
}
if c.NextSibling != nil {
c.NextSibling.PrevSibling = c.PrevSibling
}
if n.LastChild == c {
n.LastChild = c.PrevSibling
}
if c.PrevSibling != nil {
c.PrevSibling.NextSibling = c.NextSibling
}
c.Parent = nil
c.PrevSibling = nil
c.NextSibling = nil
}
// reparentChildren reparents all of src's child nodes to dst.
func reparentChildren(dst, src *Node) {
for {
child := src.FirstChild
if child == nil {
break
}
src.RemoveChild(child)
dst.AppendChild(child)
}
}
// clone returns a new node with the same type, data and attributes.
// The clone has no parent, no siblings and no children.
func (n *Node) clone() *Node {
m := &Node{
Type: n.Type,
DataAtom: n.DataAtom,
Data: n.Data,
Attr: make([]Attribute, len(n.Attr)),
}
copy(m.Attr, n.Attr)
return m
}
// nodeStack is a stack of nodes.
type nodeStack []*Node
// pop pops the stack. It will panic if s is empty.
func (s *nodeStack) pop() *Node {
i := len(*s)
n := (*s)[i-1]
*s = (*s)[:i-1]
return n
}
// top returns the most recently pushed node, or nil if s is empty.
func (s *nodeStack) top() *Node {
if i := len(*s); i > 0 {
return (*s)[i-1]
}
return nil
}
// index returns the index of the top-most occurrence of n in the stack, or -1
// if n is not present.
func (s *nodeStack) index(n *Node) int {
for i := len(*s) - 1; i >= 0; i-- {
if (*s)[i] == n {
return i
}
}
return -1
}
// contains returns whether a is within s.
func (s *nodeStack) contains(a atom.Atom) bool {
for _, n := range *s {
if n.DataAtom == a {
return true
}
}
return false
}
// insert inserts a node at the given index.
func (s *nodeStack) insert(i int, n *Node) {
(*s) = append(*s, nil)
copy((*s)[i+1:], (*s)[i:])
(*s)[i] = n
}
// remove removes a node from the stack. It is a no-op if n is not present.
func (s *nodeStack) remove(n *Node) {
i := s.index(n)
if i == -1 {
return
}
copy((*s)[i:], (*s)[i+1:])
j := len(*s) - 1
(*s)[j] = nil
*s = (*s)[:j]
}
type insertionModeStack []insertionMode
func (s *insertionModeStack) pop() (im insertionMode) {
i := len(*s)
im = (*s)[i-1]
*s = (*s)[:i-1]
return im
}
func (s *insertionModeStack) top() insertionMode {
if i := len(*s); i > 0 {
return (*s)[i-1]
}
return nil
}

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// Copyright 2011 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package html
import (
"bufio"
"errors"
"fmt"
"io"
"strings"
)
type writer interface {
io.Writer
io.ByteWriter
WriteString(string) (int, error)
}
// Render renders the parse tree n to the given writer.
//
// Rendering is done on a 'best effort' basis: calling Parse on the output of
// Render will always result in something similar to the original tree, but it
// is not necessarily an exact clone unless the original tree was 'well-formed'.
// 'Well-formed' is not easily specified; the HTML5 specification is
// complicated.
//
// Calling Parse on arbitrary input typically results in a 'well-formed' parse
// tree. However, it is possible for Parse to yield a 'badly-formed' parse tree.
// For example, in a 'well-formed' parse tree, no <a> element is a child of
// another <a> element: parsing "<a><a>" results in two sibling elements.
// Similarly, in a 'well-formed' parse tree, no <a> element is a child of a
// <table> element: parsing "<p><table><a>" results in a <p> with two sibling
// children; the <a> is reparented to the <table>'s parent. However, calling
// Parse on "<a><table><a>" does not return an error, but the result has an <a>
// element with an <a> child, and is therefore not 'well-formed'.
//
// Programmatically constructed trees are typically also 'well-formed', but it
// is possible to construct a tree that looks innocuous but, when rendered and
// re-parsed, results in a different tree. A simple example is that a solitary
// text node would become a tree containing <html>, <head> and <body> elements.
// Another example is that the programmatic equivalent of "a<head>b</head>c"
// becomes "<html><head><head/><body>abc</body></html>".
func Render(w io.Writer, n *Node) error {
if x, ok := w.(writer); ok {
return render(x, n)
}
buf := bufio.NewWriter(w)
if err := render(buf, n); err != nil {
return err
}
return buf.Flush()
}
// plaintextAbort is returned from render1 when a <plaintext> element
// has been rendered. No more end tags should be rendered after that.
var plaintextAbort = errors.New("html: internal error (plaintext abort)")
func render(w writer, n *Node) error {
err := render1(w, n)
if err == plaintextAbort {
err = nil
}
return err
}
func render1(w writer, n *Node) error {
// Render non-element nodes; these are the easy cases.
switch n.Type {
case ErrorNode:
return errors.New("html: cannot render an ErrorNode node")
case TextNode:
return escape(w, n.Data)
case DocumentNode:
for c := n.FirstChild; c != nil; c = c.NextSibling {
if err := render1(w, c); err != nil {
return err
}
}
return nil
case ElementNode:
// No-op.
case CommentNode:
if _, err := w.WriteString("<!--"); err != nil {
return err
}
if _, err := w.WriteString(n.Data); err != nil {
return err
}
if _, err := w.WriteString("-->"); err != nil {
return err
}
return nil
case DoctypeNode:
if _, err := w.WriteString("<!DOCTYPE "); err != nil {
return err
}
if _, err := w.WriteString(n.Data); err != nil {
return err
}
if n.Attr != nil {
var p, s string
for _, a := range n.Attr {
switch a.Key {
case "public":
p = a.Val
case "system":
s = a.Val
}
}
if p != "" {
if _, err := w.WriteString(" PUBLIC "); err != nil {
return err
}
if err := writeQuoted(w, p); err != nil {
return err
}
if s != "" {
if err := w.WriteByte(' '); err != nil {
return err
}
if err := writeQuoted(w, s); err != nil {
return err
}
}
} else if s != "" {
if _, err := w.WriteString(" SYSTEM "); err != nil {
return err
}
if err := writeQuoted(w, s); err != nil {
return err
}
}
}
return w.WriteByte('>')
default:
return errors.New("html: unknown node type")
}
// Render the <xxx> opening tag.
if err := w.WriteByte('<'); err != nil {
return err
}
if _, err := w.WriteString(n.Data); err != nil {
return err
}
for _, a := range n.Attr {
if err := w.WriteByte(' '); err != nil {
return err
}
if a.Namespace != "" {
if _, err := w.WriteString(a.Namespace); err != nil {
return err
}
if err := w.WriteByte(':'); err != nil {
return err
}
}
if _, err := w.WriteString(a.Key); err != nil {
return err
}
if _, err := w.WriteString(`="`); err != nil {
return err
}
if err := escape(w, a.Val); err != nil {
return err
}
if err := w.WriteByte('"'); err != nil {
return err
}
}
if voidElements[n.Data] {
if n.FirstChild != nil {
return fmt.Errorf("html: void element <%s> has child nodes", n.Data)
}
_, err := w.WriteString("/>")
return err
}
if err := w.WriteByte('>'); err != nil {
return err
}
// Add initial newline where there is danger of a newline beging ignored.
if c := n.FirstChild; c != nil && c.Type == TextNode && strings.HasPrefix(c.Data, "\n") {
switch n.Data {
case "pre", "listing", "textarea":
if err := w.WriteByte('\n'); err != nil {
return err
}
}
}
// Render any child nodes.
switch n.Data {
case "iframe", "noembed", "noframes", "noscript", "plaintext", "script", "style", "xmp":
for c := n.FirstChild; c != nil; c = c.NextSibling {
if c.Type == TextNode {
if _, err := w.WriteString(c.Data); err != nil {
return err
}
} else {
if err := render1(w, c); err != nil {
return err
}
}
}
if n.Data == "plaintext" {
// Don't render anything else. <plaintext> must be the
// last element in the file, with no closing tag.
return plaintextAbort
}
default:
for c := n.FirstChild; c != nil; c = c.NextSibling {
if err := render1(w, c); err != nil {
return err
}
}
}
// Render the </xxx> closing tag.
if _, err := w.WriteString("</"); err != nil {
return err
}
if _, err := w.WriteString(n.Data); err != nil {
return err
}
return w.WriteByte('>')
}
// writeQuoted writes s to w surrounded by quotes. Normally it will use double
// quotes, but if s contains a double quote, it will use single quotes.
// It is used for writing the identifiers in a doctype declaration.
// In valid HTML, they can't contain both types of quotes.
func writeQuoted(w writer, s string) error {
var q byte = '"'
if strings.Contains(s, `"`) {
q = '\''
}
if err := w.WriteByte(q); err != nil {
return err
}
if _, err := w.WriteString(s); err != nil {
return err
}
if err := w.WriteByte(q); err != nil {
return err
}
return nil
}
// Section 12.1.2, "Elements", gives this list of void elements. Void elements
// are those that can't have any contents.
var voidElements = map[string]bool{
"area": true,
"base": true,
"br": true,
"col": true,
"command": true,
"embed": true,
"hr": true,
"img": true,
"input": true,
"keygen": true,
"link": true,
"meta": true,
"param": true,
"source": true,
"track": true,
"wbr": true,
}

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# This source code refers to The Go Authors for copyright purposes.
# The master list of authors is in the main Go distribution,
# visible at http://tip.golang.org/AUTHORS.

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# This source code was written by the Go contributors.
# The master list of contributors is in the main Go distribution,
# visible at http://tip.golang.org/CONTRIBUTORS.

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Copyright (c) 2009 The Go Authors. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are
met:
* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above
copyright notice, this list of conditions and the following disclaimer
in the documentation and/or other materials provided with the
distribution.
* Neither the name of Google Inc. nor the names of its
contributors may be used to endorse or promote products derived from
this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

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Additional IP Rights Grant (Patents)
"This implementation" means the copyrightable works distributed by
Google as part of the Go project.
Google hereby grants to You a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable (except as stated in this section)
patent license to make, have made, use, offer to sell, sell, import,
transfer and otherwise run, modify and propagate the contents of this
implementation of Go, where such license applies only to those patent
claims, both currently owned or controlled by Google and acquired in
the future, licensable by Google that are necessarily infringed by this
implementation of Go. This grant does not include claims that would be
infringed only as a consequence of further modification of this
implementation. If you or your agent or exclusive licensee institute or
order or agree to the institution of patent litigation against any
entity (including a cross-claim or counterclaim in a lawsuit) alleging
that this implementation of Go or any code incorporated within this
implementation of Go constitutes direct or contributory patent
infringement, or inducement of patent infringement, then any patent
rights granted to you under this License for this implementation of Go
shall terminate as of the date such litigation is filed.

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_obj/
unix.test

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# Building `sys/unix`
The sys/unix package provides access to the raw system call interface of the
underlying operating system. See: https://godoc.org/golang.org/x/sys/unix
Porting Go to a new architecture/OS combination or adding syscalls, types, or
constants to an existing architecture/OS pair requires some manual effort;
however, there are tools that automate much of the process.
## Build Systems
There are currently two ways we generate the necessary files. We are currently
migrating the build system to use containers so the builds are reproducible.
This is being done on an OS-by-OS basis. Please update this documentation as
components of the build system change.
### Old Build System (currently for `GOOS != "Linux" || GOARCH == "sparc64"`)
The old build system generates the Go files based on the C header files
present on your system. This means that files
for a given GOOS/GOARCH pair must be generated on a system with that OS and
architecture. This also means that the generated code can differ from system
to system, based on differences in the header files.
To avoid this, if you are using the old build system, only generate the Go
files on an installation with unmodified header files. It is also important to
keep track of which version of the OS the files were generated from (ex.
Darwin 14 vs Darwin 15). This makes it easier to track the progress of changes
and have each OS upgrade correspond to a single change.
To build the files for your current OS and architecture, make sure GOOS and
GOARCH are set correctly and run `mkall.sh`. This will generate the files for
your specific system. Running `mkall.sh -n` shows the commands that will be run.
Requirements: bash, perl, go
### New Build System (currently for `GOOS == "Linux" && GOARCH != "sparc64"`)
The new build system uses a Docker container to generate the go files directly
from source checkouts of the kernel and various system libraries. This means
that on any platform that supports Docker, all the files using the new build
system can be generated at once, and generated files will not change based on
what the person running the scripts has installed on their computer.
The OS specific files for the new build system are located in the `${GOOS}`
directory, and the build is coordinated by the `${GOOS}/mkall.go` program. When
the kernel or system library updates, modify the Dockerfile at
`${GOOS}/Dockerfile` to checkout the new release of the source.
To build all the files under the new build system, you must be on an amd64/Linux
system and have your GOOS and GOARCH set accordingly. Running `mkall.sh` will
then generate all of the files for all of the GOOS/GOARCH pairs in the new build
system. Running `mkall.sh -n` shows the commands that will be run.
Requirements: bash, perl, go, docker
## Component files
This section describes the various files used in the code generation process.
It also contains instructions on how to modify these files to add a new
architecture/OS or to add additional syscalls, types, or constants. Note that
if you are using the new build system, the scripts cannot be called normally.
They must be called from within the docker container.
### asm files
The hand-written assembly file at `asm_${GOOS}_${GOARCH}.s` implements system
call dispatch. There are three entry points:
```
func Syscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr)
func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr)
func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2, err uintptr)
```
The first and second are the standard ones; they differ only in how many
arguments can be passed to the kernel. The third is for low-level use by the
ForkExec wrapper. Unlike the first two, it does not call into the scheduler to
let it know that a system call is running.
When porting Go to an new architecture/OS, this file must be implemented for
each GOOS/GOARCH pair.
### mksysnum
Mksysnum is a script located at `${GOOS}/mksysnum.pl` (or `mksysnum_${GOOS}.pl`
for the old system). This script takes in a list of header files containing the
syscall number declarations and parses them to produce the corresponding list of
Go numeric constants. See `zsysnum_${GOOS}_${GOARCH}.go` for the generated
constants.
Adding new syscall numbers is mostly done by running the build on a sufficiently
new installation of the target OS (or updating the source checkouts for the
new build system). However, depending on the OS, you make need to update the
parsing in mksysnum.
### mksyscall.pl
The `syscall.go`, `syscall_${GOOS}.go`, `syscall_${GOOS}_${GOARCH}.go` are
hand-written Go files which implement system calls (for unix, the specific OS,
or the specific OS/Architecture pair respectively) that need special handling
and list `//sys` comments giving prototypes for ones that can be generated.
The mksyscall.pl script takes the `//sys` and `//sysnb` comments and converts
them into syscalls. This requires the name of the prototype in the comment to
match a syscall number in the `zsysnum_${GOOS}_${GOARCH}.go` file. The function
prototype can be exported (capitalized) or not.
Adding a new syscall often just requires adding a new `//sys` function prototype
with the desired arguments and a capitalized name so it is exported. However, if
you want the interface to the syscall to be different, often one will make an
unexported `//sys` prototype, an then write a custom wrapper in
`syscall_${GOOS}.go`.
### types files
For each OS, there is a hand-written Go file at `${GOOS}/types.go` (or
`types_${GOOS}.go` on the old system). This file includes standard C headers and
creates Go type aliases to the corresponding C types. The file is then fed
through godef to get the Go compatible definitions. Finally, the generated code
is fed though mkpost.go to format the code correctly and remove any hidden or
private identifiers. This cleaned-up code is written to
`ztypes_${GOOS}_${GOARCH}.go`.
The hardest part about preparing this file is figuring out which headers to
include and which symbols need to be `#define`d to get the actual data
structures that pass through to the kernel system calls. Some C libraries
preset alternate versions for binary compatibility and translate them on the
way in and out of system calls, but there is almost always a `#define` that can
get the real ones.
See `types_darwin.go` and `linux/types.go` for examples.
To add a new type, add in the necessary include statement at the top of the
file (if it is not already there) and add in a type alias line. Note that if
your type is significantly different on different architectures, you may need
some `#if/#elif` macros in your include statements.
### mkerrors.sh
This script is used to generate the system's various constants. This doesn't
just include the error numbers and error strings, but also the signal numbers
an a wide variety of miscellaneous constants. The constants come from the list
of include files in the `includes_${uname}` variable. A regex then picks out
the desired `#define` statements, and generates the corresponding Go constants.
The error numbers and strings are generated from `#include <errno.h>`, and the
signal numbers and strings are generated from `#include <signal.h>`. All of
these constants are written to `zerrors_${GOOS}_${GOARCH}.go` via a C program,
`_errors.c`, which prints out all the constants.
To add a constant, add the header that includes it to the appropriate variable.
Then, edit the regex (if necessary) to match the desired constant. Avoid making
the regex too broad to avoid matching unintended constants.
## Generated files
### `zerror_${GOOS}_${GOARCH}.go`
A file containing all of the system's generated error numbers, error strings,
signal numbers, and constants. Generated by `mkerrors.sh` (see above).
### `zsyscall_${GOOS}_${GOARCH}.go`
A file containing all the generated syscalls for a specific GOOS and GOARCH.
Generated by `mksyscall.pl` (see above).
### `zsysnum_${GOOS}_${GOARCH}.go`
A list of numeric constants for all the syscall number of the specific GOOS
and GOARCH. Generated by mksysnum (see above).
### `ztypes_${GOOS}_${GOARCH}.go`
A file containing Go types for passing into (or returning from) syscalls.
Generated by godefs and the types file (see above).

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// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// CPU affinity functions
package unix
import (
"unsafe"
)
const cpuSetSize = _CPU_SETSIZE / _NCPUBITS
// CPUSet represents a CPU affinity mask.
type CPUSet [cpuSetSize]cpuMask
func schedAffinity(trap uintptr, pid int, set *CPUSet) error {
_, _, e := RawSyscall(trap, uintptr(pid), uintptr(unsafe.Sizeof(*set)), uintptr(unsafe.Pointer(set)))
if e != 0 {
return errnoErr(e)
}
return nil
}
// SchedGetaffinity gets the CPU affinity mask of the thread specified by pid.
// If pid is 0 the calling thread is used.
func SchedGetaffinity(pid int, set *CPUSet) error {
return schedAffinity(SYS_SCHED_GETAFFINITY, pid, set)
}
// SchedSetaffinity sets the CPU affinity mask of the thread specified by pid.
// If pid is 0 the calling thread is used.
func SchedSetaffinity(pid int, set *CPUSet) error {
return schedAffinity(SYS_SCHED_SETAFFINITY, pid, set)
}
// Zero clears the set s, so that it contains no CPUs.
func (s *CPUSet) Zero() {
for i := range s {
s[i] = 0
}
}
func cpuBitsIndex(cpu int) int {
return cpu / _NCPUBITS
}
func cpuBitsMask(cpu int) cpuMask {
return cpuMask(1 << (uint(cpu) % _NCPUBITS))
}
// Set adds cpu to the set s.
func (s *CPUSet) Set(cpu int) {
i := cpuBitsIndex(cpu)
if i < len(s) {
s[i] |= cpuBitsMask(cpu)
}
}
// Clear removes cpu from the set s.
func (s *CPUSet) Clear(cpu int) {
i := cpuBitsIndex(cpu)
if i < len(s) {
s[i] &^= cpuBitsMask(cpu)
}
}
// IsSet reports whether cpu is in the set s.
func (s *CPUSet) IsSet(cpu int) bool {
i := cpuBitsIndex(cpu)
if i < len(s) {
return s[i]&cpuBitsMask(cpu) != 0
}
return false
}
// Count returns the number of CPUs in the set s.
func (s *CPUSet) Count() int {
c := 0
for _, b := range s {
c += onesCount64(uint64(b))
}
return c
}
// onesCount64 is a copy of Go 1.9's math/bits.OnesCount64.
// Once this package can require Go 1.9, we can delete this
// and update the caller to use bits.OnesCount64.
func onesCount64(x uint64) int {
const m0 = 0x5555555555555555 // 01010101 ...
const m1 = 0x3333333333333333 // 00110011 ...
const m2 = 0x0f0f0f0f0f0f0f0f // 00001111 ...
const m3 = 0x00ff00ff00ff00ff // etc.
const m4 = 0x0000ffff0000ffff
// Implementation: Parallel summing of adjacent bits.
// See "Hacker's Delight", Chap. 5: Counting Bits.
// The following pattern shows the general approach:
//
// x = x>>1&(m0&m) + x&(m0&m)
// x = x>>2&(m1&m) + x&(m1&m)
// x = x>>4&(m2&m) + x&(m2&m)
// x = x>>8&(m3&m) + x&(m3&m)
// x = x>>16&(m4&m) + x&(m4&m)
// x = x>>32&(m5&m) + x&(m5&m)
// return int(x)
//
// Masking (& operations) can be left away when there's no
// danger that a field's sum will carry over into the next
// field: Since the result cannot be > 64, 8 bits is enough
// and we can ignore the masks for the shifts by 8 and up.
// Per "Hacker's Delight", the first line can be simplified
// more, but it saves at best one instruction, so we leave
// it alone for clarity.
const m = 1<<64 - 1
x = x>>1&(m0&m) + x&(m0&m)
x = x>>2&(m1&m) + x&(m1&m)
x = (x>>4 + x) & (m2 & m)
x += x >> 8
x += x >> 16
x += x >> 32
return int(x) & (1<<7 - 1)
}

14
vendor/golang.org/x/sys/unix/aliases.go generated vendored Normal file
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@ -0,0 +1,14 @@
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
// +build go1.9
package unix
import "syscall"
type Signal = syscall.Signal
type Errno = syscall.Errno
type SysProcAttr = syscall.SysProcAttr

29
vendor/golang.org/x/sys/unix/asm_darwin_386.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for 386, Darwin
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_darwin_amd64.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, Darwin
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

30
vendor/golang.org/x/sys/unix/asm_darwin_arm.s generated vendored Normal file
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@ -0,0 +1,30 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
// +build arm,darwin
#include "textflag.h"
//
// System call support for ARM, Darwin
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
B syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
B syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
B syscall·RawSyscall6(SB)

30
vendor/golang.org/x/sys/unix/asm_darwin_arm64.s generated vendored Normal file
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@ -0,0 +1,30 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
// +build arm64,darwin
#include "textflag.h"
//
// System call support for AMD64, Darwin
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
B syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
B syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
B syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_dragonfly_amd64.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, DragonFly
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_freebsd_386.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for 386, FreeBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_freebsd_amd64.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, FreeBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_freebsd_arm.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for ARM, FreeBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
B syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
B syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
B syscall·RawSyscall6(SB)

65
vendor/golang.org/x/sys/unix/asm_linux_386.s generated vendored Normal file
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@ -0,0 +1,65 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System calls for 386, Linux
//
// See ../runtime/sys_linux_386.s for the reason why we always use int 0x80
// instead of the glibc-specific "CALL 0x10(GS)".
#define INVOKE_SYSCALL INT $0x80
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
CALL runtime·entersyscall(SB)
MOVL trap+0(FP), AX // syscall entry
MOVL a1+4(FP), BX
MOVL a2+8(FP), CX
MOVL a3+12(FP), DX
MOVL $0, SI
MOVL $0, DI
INVOKE_SYSCALL
MOVL AX, r1+16(FP)
MOVL DX, r2+20(FP)
CALL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)
TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
MOVL trap+0(FP), AX // syscall entry
MOVL a1+4(FP), BX
MOVL a2+8(FP), CX
MOVL a3+12(FP), DX
MOVL $0, SI
MOVL $0, DI
INVOKE_SYSCALL
MOVL AX, r1+16(FP)
MOVL DX, r2+20(FP)
RET
TEXT ·socketcall(SB),NOSPLIT,$0-36
JMP syscall·socketcall(SB)
TEXT ·rawsocketcall(SB),NOSPLIT,$0-36
JMP syscall·rawsocketcall(SB)
TEXT ·seek(SB),NOSPLIT,$0-28
JMP syscall·seek(SB)

57
vendor/golang.org/x/sys/unix/asm_linux_amd64.s generated vendored Normal file
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@ -0,0 +1,57 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System calls for AMD64, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
CALL runtime·entersyscall(SB)
MOVQ a1+8(FP), DI
MOVQ a2+16(FP), SI
MOVQ a3+24(FP), DX
MOVQ $0, R10
MOVQ $0, R8
MOVQ $0, R9
MOVQ trap+0(FP), AX // syscall entry
SYSCALL
MOVQ AX, r1+32(FP)
MOVQ DX, r2+40(FP)
CALL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)
TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
MOVQ a1+8(FP), DI
MOVQ a2+16(FP), SI
MOVQ a3+24(FP), DX
MOVQ $0, R10
MOVQ $0, R8
MOVQ $0, R9
MOVQ trap+0(FP), AX // syscall entry
SYSCALL
MOVQ AX, r1+32(FP)
MOVQ DX, r2+40(FP)
RET
TEXT ·gettimeofday(SB),NOSPLIT,$0-16
JMP syscall·gettimeofday(SB)

56
vendor/golang.org/x/sys/unix/asm_linux_arm.s generated vendored Normal file
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@ -0,0 +1,56 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System calls for arm, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
B syscall·Syscall6(SB)
TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
BL runtime·entersyscall(SB)
MOVW trap+0(FP), R7
MOVW a1+4(FP), R0
MOVW a2+8(FP), R1
MOVW a3+12(FP), R2
MOVW $0, R3
MOVW $0, R4
MOVW $0, R5
SWI $0
MOVW R0, r1+16(FP)
MOVW $0, R0
MOVW R0, r2+20(FP)
BL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
B syscall·RawSyscall6(SB)
TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
MOVW trap+0(FP), R7 // syscall entry
MOVW a1+4(FP), R0
MOVW a2+8(FP), R1
MOVW a3+12(FP), R2
SWI $0
MOVW R0, r1+16(FP)
MOVW $0, R0
MOVW R0, r2+20(FP)
RET
TEXT ·seek(SB),NOSPLIT,$0-28
B syscall·seek(SB)

52
vendor/golang.org/x/sys/unix/asm_linux_arm64.s generated vendored Normal file
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@ -0,0 +1,52 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build arm64
// +build !gccgo
#include "textflag.h"
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
B syscall·Syscall6(SB)
TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
BL runtime·entersyscall(SB)
MOVD a1+8(FP), R0
MOVD a2+16(FP), R1
MOVD a3+24(FP), R2
MOVD $0, R3
MOVD $0, R4
MOVD $0, R5
MOVD trap+0(FP), R8 // syscall entry
SVC
MOVD R0, r1+32(FP) // r1
MOVD R1, r2+40(FP) // r2
BL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
B syscall·RawSyscall6(SB)
TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
MOVD a1+8(FP), R0
MOVD a2+16(FP), R1
MOVD a3+24(FP), R2
MOVD $0, R3
MOVD $0, R4
MOVD $0, R5
MOVD trap+0(FP), R8 // syscall entry
SVC
MOVD R0, r1+32(FP)
MOVD R1, r2+40(FP)
RET

56
vendor/golang.org/x/sys/unix/asm_linux_mips64x.s generated vendored Normal file
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@ -0,0 +1,56 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build mips64 mips64le
// +build !gccgo
#include "textflag.h"
//
// System calls for mips64, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
JAL runtime·entersyscall(SB)
MOVV a1+8(FP), R4
MOVV a2+16(FP), R5
MOVV a3+24(FP), R6
MOVV R0, R7
MOVV R0, R8
MOVV R0, R9
MOVV trap+0(FP), R2 // syscall entry
SYSCALL
MOVV R2, r1+32(FP)
MOVV R3, r2+40(FP)
JAL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)
TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
MOVV a1+8(FP), R4
MOVV a2+16(FP), R5
MOVV a3+24(FP), R6
MOVV R0, R7
MOVV R0, R8
MOVV R0, R9
MOVV trap+0(FP), R2 // syscall entry
SYSCALL
MOVV R2, r1+32(FP)
MOVV R3, r2+40(FP)
RET

54
vendor/golang.org/x/sys/unix/asm_linux_mipsx.s generated vendored Normal file
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@ -0,0 +1,54 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build mips mipsle
// +build !gccgo
#include "textflag.h"
//
// System calls for mips, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·SyscallNoError(SB),NOSPLIT,$0-24
JAL runtime·entersyscall(SB)
MOVW a1+4(FP), R4
MOVW a2+8(FP), R5
MOVW a3+12(FP), R6
MOVW R0, R7
MOVW trap+0(FP), R2 // syscall entry
SYSCALL
MOVW R2, r1+16(FP) // r1
MOVW R3, r2+20(FP) // r2
JAL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)
TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-24
MOVW a1+4(FP), R4
MOVW a2+8(FP), R5
MOVW a3+12(FP), R6
MOVW trap+0(FP), R2 // syscall entry
SYSCALL
MOVW R2, r1+16(FP)
MOVW R3, r2+20(FP)
RET

56
vendor/golang.org/x/sys/unix/asm_linux_ppc64x.s generated vendored Normal file
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@ -0,0 +1,56 @@
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build linux
// +build ppc64 ppc64le
// +build !gccgo
#include "textflag.h"
//
// System calls for ppc64, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
BR syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
BR syscall·Syscall6(SB)
TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
BL runtime·entersyscall(SB)
MOVD a1+8(FP), R3
MOVD a2+16(FP), R4
MOVD a3+24(FP), R5
MOVD R0, R6
MOVD R0, R7
MOVD R0, R8
MOVD trap+0(FP), R9 // syscall entry
SYSCALL R9
MOVD R3, r1+32(FP)
MOVD R4, r2+40(FP)
BL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
BR syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
BR syscall·RawSyscall6(SB)
TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
MOVD a1+8(FP), R3
MOVD a2+16(FP), R4
MOVD a3+24(FP), R5
MOVD R0, R6
MOVD R0, R7
MOVD R0, R8
MOVD trap+0(FP), R9 // syscall entry
SYSCALL R9
MOVD R3, r1+32(FP)
MOVD R4, r2+40(FP)
RET

56
vendor/golang.org/x/sys/unix/asm_linux_s390x.s generated vendored Normal file
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@ -0,0 +1,56 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build s390x
// +build linux
// +build !gccgo
#include "textflag.h"
//
// System calls for s390x, Linux
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
BR syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
BR syscall·Syscall6(SB)
TEXT ·SyscallNoError(SB),NOSPLIT,$0-48
BL runtime·entersyscall(SB)
MOVD a1+8(FP), R2
MOVD a2+16(FP), R3
MOVD a3+24(FP), R4
MOVD $0, R5
MOVD $0, R6
MOVD $0, R7
MOVD trap+0(FP), R1 // syscall entry
SYSCALL
MOVD R2, r1+32(FP)
MOVD R3, r2+40(FP)
BL runtime·exitsyscall(SB)
RET
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
BR syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
BR syscall·RawSyscall6(SB)
TEXT ·RawSyscallNoError(SB),NOSPLIT,$0-48
MOVD a1+8(FP), R2
MOVD a2+16(FP), R3
MOVD a3+24(FP), R4
MOVD $0, R5
MOVD $0, R6
MOVD $0, R7
MOVD trap+0(FP), R1 // syscall entry
SYSCALL
MOVD R2, r1+32(FP)
MOVD R3, r2+40(FP)
RET

29
vendor/golang.org/x/sys/unix/asm_netbsd_386.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for 386, NetBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_netbsd_amd64.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, NetBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_netbsd_arm.s generated vendored Normal file
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@ -0,0 +1,29 @@
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for ARM, NetBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
B syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
B syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
B syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_openbsd_386.s generated vendored Normal file
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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for 386, OpenBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_openbsd_amd64.s generated vendored Normal file
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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for AMD64, OpenBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-56
JMP syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-80
JMP syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-104
JMP syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-56
JMP syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-80
JMP syscall·RawSyscall6(SB)

29
vendor/golang.org/x/sys/unix/asm_openbsd_arm.s generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System call support for ARM, OpenBSD
//
// Just jump to package syscall's implementation for all these functions.
// The runtime may know about them.
TEXT ·Syscall(SB),NOSPLIT,$0-28
B syscall·Syscall(SB)
TEXT ·Syscall6(SB),NOSPLIT,$0-40
B syscall·Syscall6(SB)
TEXT ·Syscall9(SB),NOSPLIT,$0-52
B syscall·Syscall9(SB)
TEXT ·RawSyscall(SB),NOSPLIT,$0-28
B syscall·RawSyscall(SB)
TEXT ·RawSyscall6(SB),NOSPLIT,$0-40
B syscall·RawSyscall6(SB)

17
vendor/golang.org/x/sys/unix/asm_solaris_amd64.s generated vendored Normal file
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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !gccgo
#include "textflag.h"
//
// System calls for amd64, Solaris are implemented in runtime/syscall_solaris.go
//
TEXT ·sysvicall6(SB),NOSPLIT,$0-88
JMP syscall·sysvicall6(SB)
TEXT ·rawSysvicall6(SB),NOSPLIT,$0-88
JMP syscall·rawSysvicall6(SB)

35
vendor/golang.org/x/sys/unix/bluetooth_linux.go generated vendored Normal file
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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Bluetooth sockets and messages
package unix
// Bluetooth Protocols
const (
BTPROTO_L2CAP = 0
BTPROTO_HCI = 1
BTPROTO_SCO = 2
BTPROTO_RFCOMM = 3
BTPROTO_BNEP = 4
BTPROTO_CMTP = 5
BTPROTO_HIDP = 6
BTPROTO_AVDTP = 7
)
const (
HCI_CHANNEL_RAW = 0
HCI_CHANNEL_USER = 1
HCI_CHANNEL_MONITOR = 2
HCI_CHANNEL_CONTROL = 3
)
// Socketoption Level
const (
SOL_BLUETOOTH = 0x112
SOL_HCI = 0x0
SOL_L2CAP = 0x6
SOL_RFCOMM = 0x12
SOL_SCO = 0x11
)

195
vendor/golang.org/x/sys/unix/cap_freebsd.go generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build freebsd
package unix
import (
"errors"
"fmt"
)
// Go implementation of C mostly found in /usr/src/sys/kern/subr_capability.c
const (
// This is the version of CapRights this package understands. See C implementation for parallels.
capRightsGoVersion = CAP_RIGHTS_VERSION_00
capArSizeMin = CAP_RIGHTS_VERSION_00 + 2
capArSizeMax = capRightsGoVersion + 2
)
var (
bit2idx = []int{
-1, 0, 1, -1, 2, -1, -1, -1, 3, -1, -1, -1, -1, -1, -1, -1,
4, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
}
)
func capidxbit(right uint64) int {
return int((right >> 57) & 0x1f)
}
func rightToIndex(right uint64) (int, error) {
idx := capidxbit(right)
if idx < 0 || idx >= len(bit2idx) {
return -2, fmt.Errorf("index for right 0x%x out of range", right)
}
return bit2idx[idx], nil
}
func caprver(right uint64) int {
return int(right >> 62)
}
func capver(rights *CapRights) int {
return caprver(rights.Rights[0])
}
func caparsize(rights *CapRights) int {
return capver(rights) + 2
}
// CapRightsSet sets the permissions in setrights in rights.
func CapRightsSet(rights *CapRights, setrights []uint64) error {
// This is essentially a copy of cap_rights_vset()
if capver(rights) != CAP_RIGHTS_VERSION_00 {
return fmt.Errorf("bad rights version %d", capver(rights))
}
n := caparsize(rights)
if n < capArSizeMin || n > capArSizeMax {
return errors.New("bad rights size")
}
for _, right := range setrights {
if caprver(right) != CAP_RIGHTS_VERSION_00 {
return errors.New("bad right version")
}
i, err := rightToIndex(right)
if err != nil {
return err
}
if i >= n {
return errors.New("index overflow")
}
if capidxbit(rights.Rights[i]) != capidxbit(right) {
return errors.New("index mismatch")
}
rights.Rights[i] |= right
if capidxbit(rights.Rights[i]) != capidxbit(right) {
return errors.New("index mismatch (after assign)")
}
}
return nil
}
// CapRightsClear clears the permissions in clearrights from rights.
func CapRightsClear(rights *CapRights, clearrights []uint64) error {
// This is essentially a copy of cap_rights_vclear()
if capver(rights) != CAP_RIGHTS_VERSION_00 {
return fmt.Errorf("bad rights version %d", capver(rights))
}
n := caparsize(rights)
if n < capArSizeMin || n > capArSizeMax {
return errors.New("bad rights size")
}
for _, right := range clearrights {
if caprver(right) != CAP_RIGHTS_VERSION_00 {
return errors.New("bad right version")
}
i, err := rightToIndex(right)
if err != nil {
return err
}
if i >= n {
return errors.New("index overflow")
}
if capidxbit(rights.Rights[i]) != capidxbit(right) {
return errors.New("index mismatch")
}
rights.Rights[i] &= ^(right & 0x01FFFFFFFFFFFFFF)
if capidxbit(rights.Rights[i]) != capidxbit(right) {
return errors.New("index mismatch (after assign)")
}
}
return nil
}
// CapRightsIsSet checks whether all the permissions in setrights are present in rights.
func CapRightsIsSet(rights *CapRights, setrights []uint64) (bool, error) {
// This is essentially a copy of cap_rights_is_vset()
if capver(rights) != CAP_RIGHTS_VERSION_00 {
return false, fmt.Errorf("bad rights version %d", capver(rights))
}
n := caparsize(rights)
if n < capArSizeMin || n > capArSizeMax {
return false, errors.New("bad rights size")
}
for _, right := range setrights {
if caprver(right) != CAP_RIGHTS_VERSION_00 {
return false, errors.New("bad right version")
}
i, err := rightToIndex(right)
if err != nil {
return false, err
}
if i >= n {
return false, errors.New("index overflow")
}
if capidxbit(rights.Rights[i]) != capidxbit(right) {
return false, errors.New("index mismatch")
}
if (rights.Rights[i] & right) != right {
return false, nil
}
}
return true, nil
}
func capright(idx uint64, bit uint64) uint64 {
return ((1 << (57 + idx)) | bit)
}
// CapRightsInit returns a pointer to an initialised CapRights structure filled with rights.
// See man cap_rights_init(3) and rights(4).
func CapRightsInit(rights []uint64) (*CapRights, error) {
var r CapRights
r.Rights[0] = (capRightsGoVersion << 62) | capright(0, 0)
r.Rights[1] = capright(1, 0)
err := CapRightsSet(&r, rights)
if err != nil {
return nil, err
}
return &r, nil
}
// CapRightsLimit reduces the operations permitted on fd to at most those contained in rights.
// The capability rights on fd can never be increased by CapRightsLimit.
// See man cap_rights_limit(2) and rights(4).
func CapRightsLimit(fd uintptr, rights *CapRights) error {
return capRightsLimit(int(fd), rights)
}
// CapRightsGet returns a CapRights structure containing the operations permitted on fd.
// See man cap_rights_get(3) and rights(4).
func CapRightsGet(fd uintptr) (*CapRights, error) {
r, err := CapRightsInit(nil)
if err != nil {
return nil, err
}
err = capRightsGet(capRightsGoVersion, int(fd), r)
if err != nil {
return nil, err
}
return r, nil
}

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vendor/golang.org/x/sys/unix/constants.go generated vendored Normal file
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package unix
const (
R_OK = 0x4
W_OK = 0x2
X_OK = 0x1
)

24
vendor/golang.org/x/sys/unix/dev_darwin.go generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Functions to access/create device major and minor numbers matching the
// encoding used in Darwin's sys/types.h header.
package unix
// Major returns the major component of a Darwin device number.
func Major(dev uint64) uint32 {
return uint32((dev >> 24) & 0xff)
}
// Minor returns the minor component of a Darwin device number.
func Minor(dev uint64) uint32 {
return uint32(dev & 0xffffff)
}
// Mkdev returns a Darwin device number generated from the given major and minor
// components.
func Mkdev(major, minor uint32) uint64 {
return (uint64(major) << 24) | uint64(minor)
}

30
vendor/golang.org/x/sys/unix/dev_dragonfly.go generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Functions to access/create device major and minor numbers matching the
// encoding used in Dragonfly's sys/types.h header.
//
// The information below is extracted and adapted from sys/types.h:
//
// Minor gives a cookie instead of an index since in order to avoid changing the
// meanings of bits 0-15 or wasting time and space shifting bits 16-31 for
// devices that don't use them.
package unix
// Major returns the major component of a DragonFlyBSD device number.
func Major(dev uint64) uint32 {
return uint32((dev >> 8) & 0xff)
}
// Minor returns the minor component of a DragonFlyBSD device number.
func Minor(dev uint64) uint32 {
return uint32(dev & 0xffff00ff)
}
// Mkdev returns a DragonFlyBSD device number generated from the given major and
// minor components.
func Mkdev(major, minor uint32) uint64 {
return (uint64(major) << 8) | uint64(minor)
}

30
vendor/golang.org/x/sys/unix/dev_freebsd.go generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Functions to access/create device major and minor numbers matching the
// encoding used in FreeBSD's sys/types.h header.
//
// The information below is extracted and adapted from sys/types.h:
//
// Minor gives a cookie instead of an index since in order to avoid changing the
// meanings of bits 0-15 or wasting time and space shifting bits 16-31 for
// devices that don't use them.
package unix
// Major returns the major component of a FreeBSD device number.
func Major(dev uint64) uint32 {
return uint32((dev >> 8) & 0xff)
}
// Minor returns the minor component of a FreeBSD device number.
func Minor(dev uint64) uint32 {
return uint32(dev & 0xffff00ff)
}
// Mkdev returns a FreeBSD device number generated from the given major and
// minor components.
func Mkdev(major, minor uint32) uint64 {
return (uint64(major) << 8) | uint64(minor)
}

42
vendor/golang.org/x/sys/unix/dev_linux.go generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Functions to access/create device major and minor numbers matching the
// encoding used by the Linux kernel and glibc.
//
// The information below is extracted and adapted from bits/sysmacros.h in the
// glibc sources:
//
// dev_t in glibc is 64-bit, with 32-bit major and minor numbers. glibc's
// default encoding is MMMM Mmmm mmmM MMmm, where M is a hex digit of the major
// number and m is a hex digit of the minor number. This is backward compatible
// with legacy systems where dev_t is 16 bits wide, encoded as MMmm. It is also
// backward compatible with the Linux kernel, which for some architectures uses
// 32-bit dev_t, encoded as mmmM MMmm.
package unix
// Major returns the major component of a Linux device number.
func Major(dev uint64) uint32 {
major := uint32((dev & 0x00000000000fff00) >> 8)
major |= uint32((dev & 0xfffff00000000000) >> 32)
return major
}
// Minor returns the minor component of a Linux device number.
func Minor(dev uint64) uint32 {
minor := uint32((dev & 0x00000000000000ff) >> 0)
minor |= uint32((dev & 0x00000ffffff00000) >> 12)
return minor
}
// Mkdev returns a Linux device number generated from the given major and minor
// components.
func Mkdev(major, minor uint32) uint64 {
dev := (uint64(major) & 0x00000fff) << 8
dev |= (uint64(major) & 0xfffff000) << 32
dev |= (uint64(minor) & 0x000000ff) << 0
dev |= (uint64(minor) & 0xffffff00) << 12
return dev
}

29
vendor/golang.org/x/sys/unix/dev_netbsd.go generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Functions to access/create device major and minor numbers matching the
// encoding used in NetBSD's sys/types.h header.
package unix
// Major returns the major component of a NetBSD device number.
func Major(dev uint64) uint32 {
return uint32((dev & 0x000fff00) >> 8)
}
// Minor returns the minor component of a NetBSD device number.
func Minor(dev uint64) uint32 {
minor := uint32((dev & 0x000000ff) >> 0)
minor |= uint32((dev & 0xfff00000) >> 12)
return minor
}
// Mkdev returns a NetBSD device number generated from the given major and minor
// components.
func Mkdev(major, minor uint32) uint64 {
dev := (uint64(major) << 8) & 0x000fff00
dev |= (uint64(minor) << 12) & 0xfff00000
dev |= (uint64(minor) << 0) & 0x000000ff
return dev
}

29
vendor/golang.org/x/sys/unix/dev_openbsd.go generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Functions to access/create device major and minor numbers matching the
// encoding used in OpenBSD's sys/types.h header.
package unix
// Major returns the major component of an OpenBSD device number.
func Major(dev uint64) uint32 {
return uint32((dev & 0x0000ff00) >> 8)
}
// Minor returns the minor component of an OpenBSD device number.
func Minor(dev uint64) uint32 {
minor := uint32((dev & 0x000000ff) >> 0)
minor |= uint32((dev & 0xffff0000) >> 8)
return minor
}
// Mkdev returns an OpenBSD device number generated from the given major and minor
// components.
func Mkdev(major, minor uint32) uint64 {
dev := (uint64(major) << 8) & 0x0000ff00
dev |= (uint64(minor) << 8) & 0xffff0000
dev |= (uint64(minor) << 0) & 0x000000ff
return dev
}

17
vendor/golang.org/x/sys/unix/dirent.go generated vendored Normal file
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// Copyright 2009 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux nacl netbsd openbsd solaris
package unix
import "syscall"
// ParseDirent parses up to max directory entries in buf,
// appending the names to names. It returns the number of
// bytes consumed from buf, the number of entries added
// to names, and the new names slice.
func ParseDirent(buf []byte, max int, names []string) (consumed int, count int, newnames []string) {
return syscall.ParseDirent(buf, max, names)
}

9
vendor/golang.org/x/sys/unix/endian_big.go generated vendored Normal file
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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// +build ppc64 s390x mips mips64
package unix
const isBigEndian = true

9
vendor/golang.org/x/sys/unix/endian_little.go generated vendored Normal file
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// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//
// +build 386 amd64 amd64p32 arm arm64 ppc64le mipsle mips64le
package unix
const isBigEndian = false

31
vendor/golang.org/x/sys/unix/env_unix.go generated vendored Normal file
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// Copyright 2010 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
// Unix environment variables.
package unix
import "syscall"
func Getenv(key string) (value string, found bool) {
return syscall.Getenv(key)
}
func Setenv(key, value string) error {
return syscall.Setenv(key, value)
}
func Clearenv() {
syscall.Clearenv()
}
func Environ() []string {
return syscall.Environ()
}
func Unsetenv(key string) error {
return syscall.Unsetenv(key)
}

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vendor/golang.org/x/sys/unix/errors_freebsd_386.go generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Constants that were deprecated or moved to enums in the FreeBSD headers. Keep
// them here for backwards compatibility.
package unix
const (
IFF_SMART = 0x20
IFT_1822 = 0x2
IFT_A12MPPSWITCH = 0x82
IFT_AAL2 = 0xbb
IFT_AAL5 = 0x31
IFT_ADSL = 0x5e
IFT_AFLANE8023 = 0x3b
IFT_AFLANE8025 = 0x3c
IFT_ARAP = 0x58
IFT_ARCNET = 0x23
IFT_ARCNETPLUS = 0x24
IFT_ASYNC = 0x54
IFT_ATM = 0x25
IFT_ATMDXI = 0x69
IFT_ATMFUNI = 0x6a
IFT_ATMIMA = 0x6b
IFT_ATMLOGICAL = 0x50
IFT_ATMRADIO = 0xbd
IFT_ATMSUBINTERFACE = 0x86
IFT_ATMVCIENDPT = 0xc2
IFT_ATMVIRTUAL = 0x95
IFT_BGPPOLICYACCOUNTING = 0xa2
IFT_BSC = 0x53
IFT_CCTEMUL = 0x3d
IFT_CEPT = 0x13
IFT_CES = 0x85
IFT_CHANNEL = 0x46
IFT_CNR = 0x55
IFT_COFFEE = 0x84
IFT_COMPOSITELINK = 0x9b
IFT_DCN = 0x8d
IFT_DIGITALPOWERLINE = 0x8a
IFT_DIGITALWRAPPEROVERHEADCHANNEL = 0xba
IFT_DLSW = 0x4a
IFT_DOCSCABLEDOWNSTREAM = 0x80
IFT_DOCSCABLEMACLAYER = 0x7f
IFT_DOCSCABLEUPSTREAM = 0x81
IFT_DS0 = 0x51
IFT_DS0BUNDLE = 0x52
IFT_DS1FDL = 0xaa
IFT_DS3 = 0x1e
IFT_DTM = 0x8c
IFT_DVBASILN = 0xac
IFT_DVBASIOUT = 0xad
IFT_DVBRCCDOWNSTREAM = 0x93
IFT_DVBRCCMACLAYER = 0x92
IFT_DVBRCCUPSTREAM = 0x94
IFT_ENC = 0xf4
IFT_EON = 0x19
IFT_EPLRS = 0x57
IFT_ESCON = 0x49
IFT_ETHER = 0x6
IFT_FAITH = 0xf2
IFT_FAST = 0x7d
IFT_FASTETHER = 0x3e
IFT_FASTETHERFX = 0x45
IFT_FDDI = 0xf
IFT_FIBRECHANNEL = 0x38
IFT_FRAMERELAYINTERCONNECT = 0x3a
IFT_FRAMERELAYMPI = 0x5c
IFT_FRDLCIENDPT = 0xc1
IFT_FRELAY = 0x20
IFT_FRELAYDCE = 0x2c
IFT_FRF16MFRBUNDLE = 0xa3
IFT_FRFORWARD = 0x9e
IFT_G703AT2MB = 0x43
IFT_G703AT64K = 0x42
IFT_GIF = 0xf0
IFT_GIGABITETHERNET = 0x75
IFT_GR303IDT = 0xb2
IFT_GR303RDT = 0xb1
IFT_H323GATEKEEPER = 0xa4
IFT_H323PROXY = 0xa5
IFT_HDH1822 = 0x3
IFT_HDLC = 0x76
IFT_HDSL2 = 0xa8
IFT_HIPERLAN2 = 0xb7
IFT_HIPPI = 0x2f
IFT_HIPPIINTERFACE = 0x39
IFT_HOSTPAD = 0x5a
IFT_HSSI = 0x2e
IFT_HY = 0xe
IFT_IBM370PARCHAN = 0x48
IFT_IDSL = 0x9a
IFT_IEEE80211 = 0x47
IFT_IEEE80212 = 0x37
IFT_IEEE8023ADLAG = 0xa1
IFT_IFGSN = 0x91
IFT_IMT = 0xbe
IFT_INTERLEAVE = 0x7c
IFT_IP = 0x7e
IFT_IPFORWARD = 0x8e
IFT_IPOVERATM = 0x72
IFT_IPOVERCDLC = 0x6d
IFT_IPOVERCLAW = 0x6e
IFT_IPSWITCH = 0x4e
IFT_IPXIP = 0xf9
IFT_ISDN = 0x3f
IFT_ISDNBASIC = 0x14
IFT_ISDNPRIMARY = 0x15
IFT_ISDNS = 0x4b
IFT_ISDNU = 0x4c
IFT_ISO88022LLC = 0x29
IFT_ISO88023 = 0x7
IFT_ISO88024 = 0x8
IFT_ISO88025 = 0x9
IFT_ISO88025CRFPINT = 0x62
IFT_ISO88025DTR = 0x56
IFT_ISO88025FIBER = 0x73
IFT_ISO88026 = 0xa
IFT_ISUP = 0xb3
IFT_L3IPXVLAN = 0x89
IFT_LAPB = 0x10
IFT_LAPD = 0x4d
IFT_LAPF = 0x77
IFT_LOCALTALK = 0x2a
IFT_LOOP = 0x18
IFT_MEDIAMAILOVERIP = 0x8b
IFT_MFSIGLINK = 0xa7
IFT_MIOX25 = 0x26
IFT_MODEM = 0x30
IFT_MPC = 0x71
IFT_MPLS = 0xa6
IFT_MPLSTUNNEL = 0x96
IFT_MSDSL = 0x8f
IFT_MVL = 0xbf
IFT_MYRINET = 0x63
IFT_NFAS = 0xaf
IFT_NSIP = 0x1b
IFT_OPTICALCHANNEL = 0xc3
IFT_OPTICALTRANSPORT = 0xc4
IFT_OTHER = 0x1
IFT_P10 = 0xc
IFT_P80 = 0xd
IFT_PARA = 0x22
IFT_PFLOG = 0xf6
IFT_PFSYNC = 0xf7
IFT_PLC = 0xae
IFT_POS = 0xab
IFT_PPPMULTILINKBUNDLE = 0x6c
IFT_PROPBWAP2MP = 0xb8
IFT_PROPCNLS = 0x59
IFT_PROPDOCSWIRELESSDOWNSTREAM = 0xb5
IFT_PROPDOCSWIRELESSMACLAYER = 0xb4
IFT_PROPDOCSWIRELESSUPSTREAM = 0xb6
IFT_PROPMUX = 0x36
IFT_PROPWIRELESSP2P = 0x9d
IFT_PTPSERIAL = 0x16
IFT_PVC = 0xf1
IFT_QLLC = 0x44
IFT_RADIOMAC = 0xbc
IFT_RADSL = 0x5f
IFT_REACHDSL = 0xc0
IFT_RFC1483 = 0x9f
IFT_RS232 = 0x21
IFT_RSRB = 0x4f
IFT_SDLC = 0x11
IFT_SDSL = 0x60
IFT_SHDSL = 0xa9
IFT_SIP = 0x1f
IFT_SLIP = 0x1c
IFT_SMDSDXI = 0x2b
IFT_SMDSICIP = 0x34
IFT_SONET = 0x27
IFT_SONETOVERHEADCHANNEL = 0xb9
IFT_SONETPATH = 0x32
IFT_SONETVT = 0x33
IFT_SRP = 0x97
IFT_SS7SIGLINK = 0x9c
IFT_STACKTOSTACK = 0x6f
IFT_STARLAN = 0xb
IFT_STF = 0xd7
IFT_T1 = 0x12
IFT_TDLC = 0x74
IFT_TERMPAD = 0x5b
IFT_TR008 = 0xb0
IFT_TRANSPHDLC = 0x7b
IFT_TUNNEL = 0x83
IFT_ULTRA = 0x1d
IFT_USB = 0xa0
IFT_V11 = 0x40
IFT_V35 = 0x2d
IFT_V36 = 0x41
IFT_V37 = 0x78
IFT_VDSL = 0x61
IFT_VIRTUALIPADDRESS = 0x70
IFT_VOICEEM = 0x64
IFT_VOICEENCAP = 0x67
IFT_VOICEFXO = 0x65
IFT_VOICEFXS = 0x66
IFT_VOICEOVERATM = 0x98
IFT_VOICEOVERFRAMERELAY = 0x99
IFT_VOICEOVERIP = 0x68
IFT_X213 = 0x5d
IFT_X25 = 0x5
IFT_X25DDN = 0x4
IFT_X25HUNTGROUP = 0x7a
IFT_X25MLP = 0x79
IFT_X25PLE = 0x28
IFT_XETHER = 0x1a
IPPROTO_MAXID = 0x34
IPV6_FAITH = 0x1d
IP_FAITH = 0x16
MAP_NORESERVE = 0x40
MAP_RENAME = 0x20
NET_RT_MAXID = 0x6
RTF_PRCLONING = 0x10000
RTM_OLDADD = 0x9
RTM_OLDDEL = 0xa
SIOCADDRT = 0x8030720a
SIOCALIFADDR = 0x8118691b
SIOCDELRT = 0x8030720b
SIOCDLIFADDR = 0x8118691d
SIOCGLIFADDR = 0xc118691c
SIOCGLIFPHYADDR = 0xc118694b
SIOCSLIFPHYADDR = 0x8118694a
)

227
vendor/golang.org/x/sys/unix/errors_freebsd_amd64.go generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Constants that were deprecated or moved to enums in the FreeBSD headers. Keep
// them here for backwards compatibility.
package unix
const (
IFF_SMART = 0x20
IFT_1822 = 0x2
IFT_A12MPPSWITCH = 0x82
IFT_AAL2 = 0xbb
IFT_AAL5 = 0x31
IFT_ADSL = 0x5e
IFT_AFLANE8023 = 0x3b
IFT_AFLANE8025 = 0x3c
IFT_ARAP = 0x58
IFT_ARCNET = 0x23
IFT_ARCNETPLUS = 0x24
IFT_ASYNC = 0x54
IFT_ATM = 0x25
IFT_ATMDXI = 0x69
IFT_ATMFUNI = 0x6a
IFT_ATMIMA = 0x6b
IFT_ATMLOGICAL = 0x50
IFT_ATMRADIO = 0xbd
IFT_ATMSUBINTERFACE = 0x86
IFT_ATMVCIENDPT = 0xc2
IFT_ATMVIRTUAL = 0x95
IFT_BGPPOLICYACCOUNTING = 0xa2
IFT_BSC = 0x53
IFT_CCTEMUL = 0x3d
IFT_CEPT = 0x13
IFT_CES = 0x85
IFT_CHANNEL = 0x46
IFT_CNR = 0x55
IFT_COFFEE = 0x84
IFT_COMPOSITELINK = 0x9b
IFT_DCN = 0x8d
IFT_DIGITALPOWERLINE = 0x8a
IFT_DIGITALWRAPPEROVERHEADCHANNEL = 0xba
IFT_DLSW = 0x4a
IFT_DOCSCABLEDOWNSTREAM = 0x80
IFT_DOCSCABLEMACLAYER = 0x7f
IFT_DOCSCABLEUPSTREAM = 0x81
IFT_DS0 = 0x51
IFT_DS0BUNDLE = 0x52
IFT_DS1FDL = 0xaa
IFT_DS3 = 0x1e
IFT_DTM = 0x8c
IFT_DVBASILN = 0xac
IFT_DVBASIOUT = 0xad
IFT_DVBRCCDOWNSTREAM = 0x93
IFT_DVBRCCMACLAYER = 0x92
IFT_DVBRCCUPSTREAM = 0x94
IFT_ENC = 0xf4
IFT_EON = 0x19
IFT_EPLRS = 0x57
IFT_ESCON = 0x49
IFT_ETHER = 0x6
IFT_FAITH = 0xf2
IFT_FAST = 0x7d
IFT_FASTETHER = 0x3e
IFT_FASTETHERFX = 0x45
IFT_FDDI = 0xf
IFT_FIBRECHANNEL = 0x38
IFT_FRAMERELAYINTERCONNECT = 0x3a
IFT_FRAMERELAYMPI = 0x5c
IFT_FRDLCIENDPT = 0xc1
IFT_FRELAY = 0x20
IFT_FRELAYDCE = 0x2c
IFT_FRF16MFRBUNDLE = 0xa3
IFT_FRFORWARD = 0x9e
IFT_G703AT2MB = 0x43
IFT_G703AT64K = 0x42
IFT_GIF = 0xf0
IFT_GIGABITETHERNET = 0x75
IFT_GR303IDT = 0xb2
IFT_GR303RDT = 0xb1
IFT_H323GATEKEEPER = 0xa4
IFT_H323PROXY = 0xa5
IFT_HDH1822 = 0x3
IFT_HDLC = 0x76
IFT_HDSL2 = 0xa8
IFT_HIPERLAN2 = 0xb7
IFT_HIPPI = 0x2f
IFT_HIPPIINTERFACE = 0x39
IFT_HOSTPAD = 0x5a
IFT_HSSI = 0x2e
IFT_HY = 0xe
IFT_IBM370PARCHAN = 0x48
IFT_IDSL = 0x9a
IFT_IEEE80211 = 0x47
IFT_IEEE80212 = 0x37
IFT_IEEE8023ADLAG = 0xa1
IFT_IFGSN = 0x91
IFT_IMT = 0xbe
IFT_INTERLEAVE = 0x7c
IFT_IP = 0x7e
IFT_IPFORWARD = 0x8e
IFT_IPOVERATM = 0x72
IFT_IPOVERCDLC = 0x6d
IFT_IPOVERCLAW = 0x6e
IFT_IPSWITCH = 0x4e
IFT_IPXIP = 0xf9
IFT_ISDN = 0x3f
IFT_ISDNBASIC = 0x14
IFT_ISDNPRIMARY = 0x15
IFT_ISDNS = 0x4b
IFT_ISDNU = 0x4c
IFT_ISO88022LLC = 0x29
IFT_ISO88023 = 0x7
IFT_ISO88024 = 0x8
IFT_ISO88025 = 0x9
IFT_ISO88025CRFPINT = 0x62
IFT_ISO88025DTR = 0x56
IFT_ISO88025FIBER = 0x73
IFT_ISO88026 = 0xa
IFT_ISUP = 0xb3
IFT_L3IPXVLAN = 0x89
IFT_LAPB = 0x10
IFT_LAPD = 0x4d
IFT_LAPF = 0x77
IFT_LOCALTALK = 0x2a
IFT_LOOP = 0x18
IFT_MEDIAMAILOVERIP = 0x8b
IFT_MFSIGLINK = 0xa7
IFT_MIOX25 = 0x26
IFT_MODEM = 0x30
IFT_MPC = 0x71
IFT_MPLS = 0xa6
IFT_MPLSTUNNEL = 0x96
IFT_MSDSL = 0x8f
IFT_MVL = 0xbf
IFT_MYRINET = 0x63
IFT_NFAS = 0xaf
IFT_NSIP = 0x1b
IFT_OPTICALCHANNEL = 0xc3
IFT_OPTICALTRANSPORT = 0xc4
IFT_OTHER = 0x1
IFT_P10 = 0xc
IFT_P80 = 0xd
IFT_PARA = 0x22
IFT_PFLOG = 0xf6
IFT_PFSYNC = 0xf7
IFT_PLC = 0xae
IFT_POS = 0xab
IFT_PPPMULTILINKBUNDLE = 0x6c
IFT_PROPBWAP2MP = 0xb8
IFT_PROPCNLS = 0x59
IFT_PROPDOCSWIRELESSDOWNSTREAM = 0xb5
IFT_PROPDOCSWIRELESSMACLAYER = 0xb4
IFT_PROPDOCSWIRELESSUPSTREAM = 0xb6
IFT_PROPMUX = 0x36
IFT_PROPWIRELESSP2P = 0x9d
IFT_PTPSERIAL = 0x16
IFT_PVC = 0xf1
IFT_QLLC = 0x44
IFT_RADIOMAC = 0xbc
IFT_RADSL = 0x5f
IFT_REACHDSL = 0xc0
IFT_RFC1483 = 0x9f
IFT_RS232 = 0x21
IFT_RSRB = 0x4f
IFT_SDLC = 0x11
IFT_SDSL = 0x60
IFT_SHDSL = 0xa9
IFT_SIP = 0x1f
IFT_SLIP = 0x1c
IFT_SMDSDXI = 0x2b
IFT_SMDSICIP = 0x34
IFT_SONET = 0x27
IFT_SONETOVERHEADCHANNEL = 0xb9
IFT_SONETPATH = 0x32
IFT_SONETVT = 0x33
IFT_SRP = 0x97
IFT_SS7SIGLINK = 0x9c
IFT_STACKTOSTACK = 0x6f
IFT_STARLAN = 0xb
IFT_STF = 0xd7
IFT_T1 = 0x12
IFT_TDLC = 0x74
IFT_TERMPAD = 0x5b
IFT_TR008 = 0xb0
IFT_TRANSPHDLC = 0x7b
IFT_TUNNEL = 0x83
IFT_ULTRA = 0x1d
IFT_USB = 0xa0
IFT_V11 = 0x40
IFT_V35 = 0x2d
IFT_V36 = 0x41
IFT_V37 = 0x78
IFT_VDSL = 0x61
IFT_VIRTUALIPADDRESS = 0x70
IFT_VOICEEM = 0x64
IFT_VOICEENCAP = 0x67
IFT_VOICEFXO = 0x65
IFT_VOICEFXS = 0x66
IFT_VOICEOVERATM = 0x98
IFT_VOICEOVERFRAMERELAY = 0x99
IFT_VOICEOVERIP = 0x68
IFT_X213 = 0x5d
IFT_X25 = 0x5
IFT_X25DDN = 0x4
IFT_X25HUNTGROUP = 0x7a
IFT_X25MLP = 0x79
IFT_X25PLE = 0x28
IFT_XETHER = 0x1a
IPPROTO_MAXID = 0x34
IPV6_FAITH = 0x1d
IP_FAITH = 0x16
MAP_NORESERVE = 0x40
MAP_RENAME = 0x20
NET_RT_MAXID = 0x6
RTF_PRCLONING = 0x10000
RTM_OLDADD = 0x9
RTM_OLDDEL = 0xa
SIOCADDRT = 0x8040720a
SIOCALIFADDR = 0x8118691b
SIOCDELRT = 0x8040720b
SIOCDLIFADDR = 0x8118691d
SIOCGLIFADDR = 0xc118691c
SIOCGLIFPHYADDR = 0xc118694b
SIOCSLIFPHYADDR = 0x8118694a
)

226
vendor/golang.org/x/sys/unix/errors_freebsd_arm.go generated vendored Normal file
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// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package unix
const (
IFT_1822 = 0x2
IFT_A12MPPSWITCH = 0x82
IFT_AAL2 = 0xbb
IFT_AAL5 = 0x31
IFT_ADSL = 0x5e
IFT_AFLANE8023 = 0x3b
IFT_AFLANE8025 = 0x3c
IFT_ARAP = 0x58
IFT_ARCNET = 0x23
IFT_ARCNETPLUS = 0x24
IFT_ASYNC = 0x54
IFT_ATM = 0x25
IFT_ATMDXI = 0x69
IFT_ATMFUNI = 0x6a
IFT_ATMIMA = 0x6b
IFT_ATMLOGICAL = 0x50
IFT_ATMRADIO = 0xbd
IFT_ATMSUBINTERFACE = 0x86
IFT_ATMVCIENDPT = 0xc2
IFT_ATMVIRTUAL = 0x95
IFT_BGPPOLICYACCOUNTING = 0xa2
IFT_BSC = 0x53
IFT_CCTEMUL = 0x3d
IFT_CEPT = 0x13
IFT_CES = 0x85
IFT_CHANNEL = 0x46
IFT_CNR = 0x55
IFT_COFFEE = 0x84
IFT_COMPOSITELINK = 0x9b
IFT_DCN = 0x8d
IFT_DIGITALPOWERLINE = 0x8a
IFT_DIGITALWRAPPEROVERHEADCHANNEL = 0xba
IFT_DLSW = 0x4a
IFT_DOCSCABLEDOWNSTREAM = 0x80
IFT_DOCSCABLEMACLAYER = 0x7f
IFT_DOCSCABLEUPSTREAM = 0x81
IFT_DS0 = 0x51
IFT_DS0BUNDLE = 0x52
IFT_DS1FDL = 0xaa
IFT_DS3 = 0x1e
IFT_DTM = 0x8c
IFT_DVBASILN = 0xac
IFT_DVBASIOUT = 0xad
IFT_DVBRCCDOWNSTREAM = 0x93
IFT_DVBRCCMACLAYER = 0x92
IFT_DVBRCCUPSTREAM = 0x94
IFT_ENC = 0xf4
IFT_EON = 0x19
IFT_EPLRS = 0x57
IFT_ESCON = 0x49
IFT_ETHER = 0x6
IFT_FAST = 0x7d
IFT_FASTETHER = 0x3e
IFT_FASTETHERFX = 0x45
IFT_FDDI = 0xf
IFT_FIBRECHANNEL = 0x38
IFT_FRAMERELAYINTERCONNECT = 0x3a
IFT_FRAMERELAYMPI = 0x5c
IFT_FRDLCIENDPT = 0xc1
IFT_FRELAY = 0x20
IFT_FRELAYDCE = 0x2c
IFT_FRF16MFRBUNDLE = 0xa3
IFT_FRFORWARD = 0x9e
IFT_G703AT2MB = 0x43
IFT_G703AT64K = 0x42
IFT_GIF = 0xf0
IFT_GIGABITETHERNET = 0x75
IFT_GR303IDT = 0xb2
IFT_GR303RDT = 0xb1
IFT_H323GATEKEEPER = 0xa4
IFT_H323PROXY = 0xa5
IFT_HDH1822 = 0x3
IFT_HDLC = 0x76
IFT_HDSL2 = 0xa8
IFT_HIPERLAN2 = 0xb7
IFT_HIPPI = 0x2f
IFT_HIPPIINTERFACE = 0x39
IFT_HOSTPAD = 0x5a
IFT_HSSI = 0x2e
IFT_HY = 0xe
IFT_IBM370PARCHAN = 0x48
IFT_IDSL = 0x9a
IFT_IEEE80211 = 0x47
IFT_IEEE80212 = 0x37
IFT_IEEE8023ADLAG = 0xa1
IFT_IFGSN = 0x91
IFT_IMT = 0xbe
IFT_INTERLEAVE = 0x7c
IFT_IP = 0x7e
IFT_IPFORWARD = 0x8e
IFT_IPOVERATM = 0x72
IFT_IPOVERCDLC = 0x6d
IFT_IPOVERCLAW = 0x6e
IFT_IPSWITCH = 0x4e
IFT_ISDN = 0x3f
IFT_ISDNBASIC = 0x14
IFT_ISDNPRIMARY = 0x15
IFT_ISDNS = 0x4b
IFT_ISDNU = 0x4c
IFT_ISO88022LLC = 0x29
IFT_ISO88023 = 0x7
IFT_ISO88024 = 0x8
IFT_ISO88025 = 0x9
IFT_ISO88025CRFPINT = 0x62
IFT_ISO88025DTR = 0x56
IFT_ISO88025FIBER = 0x73
IFT_ISO88026 = 0xa
IFT_ISUP = 0xb3
IFT_L3IPXVLAN = 0x89
IFT_LAPB = 0x10
IFT_LAPD = 0x4d
IFT_LAPF = 0x77
IFT_LOCALTALK = 0x2a
IFT_LOOP = 0x18
IFT_MEDIAMAILOVERIP = 0x8b
IFT_MFSIGLINK = 0xa7
IFT_MIOX25 = 0x26
IFT_MODEM = 0x30
IFT_MPC = 0x71
IFT_MPLS = 0xa6
IFT_MPLSTUNNEL = 0x96
IFT_MSDSL = 0x8f
IFT_MVL = 0xbf
IFT_MYRINET = 0x63
IFT_NFAS = 0xaf
IFT_NSIP = 0x1b
IFT_OPTICALCHANNEL = 0xc3
IFT_OPTICALTRANSPORT = 0xc4
IFT_OTHER = 0x1
IFT_P10 = 0xc
IFT_P80 = 0xd
IFT_PARA = 0x22
IFT_PFLOG = 0xf6
IFT_PFSYNC = 0xf7
IFT_PLC = 0xae
IFT_POS = 0xab
IFT_PPPMULTILINKBUNDLE = 0x6c
IFT_PROPBWAP2MP = 0xb8
IFT_PROPCNLS = 0x59
IFT_PROPDOCSWIRELESSDOWNSTREAM = 0xb5
IFT_PROPDOCSWIRELESSMACLAYER = 0xb4
IFT_PROPDOCSWIRELESSUPSTREAM = 0xb6
IFT_PROPMUX = 0x36
IFT_PROPWIRELESSP2P = 0x9d
IFT_PTPSERIAL = 0x16
IFT_PVC = 0xf1
IFT_QLLC = 0x44
IFT_RADIOMAC = 0xbc
IFT_RADSL = 0x5f
IFT_REACHDSL = 0xc0
IFT_RFC1483 = 0x9f
IFT_RS232 = 0x21
IFT_RSRB = 0x4f
IFT_SDLC = 0x11
IFT_SDSL = 0x60
IFT_SHDSL = 0xa9
IFT_SIP = 0x1f
IFT_SLIP = 0x1c
IFT_SMDSDXI = 0x2b
IFT_SMDSICIP = 0x34
IFT_SONET = 0x27
IFT_SONETOVERHEADCHANNEL = 0xb9
IFT_SONETPATH = 0x32
IFT_SONETVT = 0x33
IFT_SRP = 0x97
IFT_SS7SIGLINK = 0x9c
IFT_STACKTOSTACK = 0x6f
IFT_STARLAN = 0xb
IFT_STF = 0xd7
IFT_T1 = 0x12
IFT_TDLC = 0x74
IFT_TERMPAD = 0x5b
IFT_TR008 = 0xb0
IFT_TRANSPHDLC = 0x7b
IFT_TUNNEL = 0x83
IFT_ULTRA = 0x1d
IFT_USB = 0xa0
IFT_V11 = 0x40
IFT_V35 = 0x2d
IFT_V36 = 0x41
IFT_V37 = 0x78
IFT_VDSL = 0x61
IFT_VIRTUALIPADDRESS = 0x70
IFT_VOICEEM = 0x64
IFT_VOICEENCAP = 0x67
IFT_VOICEFXO = 0x65
IFT_VOICEFXS = 0x66
IFT_VOICEOVERATM = 0x98
IFT_VOICEOVERFRAMERELAY = 0x99
IFT_VOICEOVERIP = 0x68
IFT_X213 = 0x5d
IFT_X25 = 0x5
IFT_X25DDN = 0x4
IFT_X25HUNTGROUP = 0x7a
IFT_X25MLP = 0x79
IFT_X25PLE = 0x28
IFT_XETHER = 0x1a
// missing constants on FreeBSD-11.1-RELEASE, copied from old values in ztypes_freebsd_arm.go
IFF_SMART = 0x20
IFT_FAITH = 0xf2
IFT_IPXIP = 0xf9
IPPROTO_MAXID = 0x34
IPV6_FAITH = 0x1d
IP_FAITH = 0x16
MAP_NORESERVE = 0x40
MAP_RENAME = 0x20
NET_RT_MAXID = 0x6
RTF_PRCLONING = 0x10000
RTM_OLDADD = 0x9
RTM_OLDDEL = 0xa
SIOCADDRT = 0x8030720a
SIOCALIFADDR = 0x8118691b
SIOCDELRT = 0x8030720b
SIOCDLIFADDR = 0x8118691d
SIOCGLIFADDR = 0xc118691c
SIOCGLIFPHYADDR = 0xc118694b
SIOCSLIFPHYADDR = 0x8118694a
)

32
vendor/golang.org/x/sys/unix/fcntl.go generated vendored Normal file
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// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd
package unix
import "unsafe"
// fcntl64Syscall is usually SYS_FCNTL, but is overridden on 32-bit Linux
// systems by flock_linux_32bit.go to be SYS_FCNTL64.
var fcntl64Syscall uintptr = SYS_FCNTL
// FcntlInt performs a fcntl syscall on fd with the provided command and argument.
func FcntlInt(fd uintptr, cmd, arg int) (int, error) {
valptr, _, errno := Syscall(fcntl64Syscall, fd, uintptr(cmd), uintptr(arg))
var err error
if errno != 0 {
err = errno
}
return int(valptr), err
}
// FcntlFlock performs a fcntl syscall for the F_GETLK, F_SETLK or F_SETLKW command.
func FcntlFlock(fd uintptr, cmd int, lk *Flock_t) error {
_, _, errno := Syscall(fcntl64Syscall, fd, uintptr(cmd), uintptr(unsafe.Pointer(lk)))
if errno == 0 {
return nil
}
return errno
}

13
vendor/golang.org/x/sys/unix/fcntl_linux_32bit.go generated vendored Normal file
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// +build linux,386 linux,arm linux,mips linux,mipsle
// Copyright 2014 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package unix
func init() {
// On 32-bit Linux systems, the fcntl syscall that matches Go's
// Flock_t type is SYS_FCNTL64, not SYS_FCNTL.
fcntl64Syscall = SYS_FCNTL64
}

61
vendor/golang.org/x/sys/unix/gccgo.go generated vendored Normal file
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo
package unix
import "syscall"
// We can't use the gc-syntax .s files for gccgo. On the plus side
// much of the functionality can be written directly in Go.
//extern gccgoRealSyscallNoError
func realSyscallNoError(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r uintptr)
//extern gccgoRealSyscall
func realSyscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r, errno uintptr)
func SyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr) {
syscall.Entersyscall()
r := realSyscallNoError(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
syscall.Exitsyscall()
return r, 0
}
func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) {
syscall.Entersyscall()
r, errno := realSyscall(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
syscall.Exitsyscall()
return r, 0, syscall.Errno(errno)
}
func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno) {
syscall.Entersyscall()
r, errno := realSyscall(trap, a1, a2, a3, a4, a5, a6, 0, 0, 0)
syscall.Exitsyscall()
return r, 0, syscall.Errno(errno)
}
func Syscall9(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err syscall.Errno) {
syscall.Entersyscall()
r, errno := realSyscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9)
syscall.Exitsyscall()
return r, 0, syscall.Errno(errno)
}
func RawSyscallNoError(trap, a1, a2, a3 uintptr) (r1, r2 uintptr) {
r := realSyscallNoError(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
return r, 0
}
func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err syscall.Errno) {
r, errno := realSyscall(trap, a1, a2, a3, 0, 0, 0, 0, 0, 0)
return r, 0, syscall.Errno(errno)
}
func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err syscall.Errno) {
r, errno := realSyscall(trap, a1, a2, a3, a4, a5, a6, 0, 0, 0)
return r, 0, syscall.Errno(errno)
}

38
vendor/golang.org/x/sys/unix/gccgo_c.c generated vendored Normal file
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// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo
#include <errno.h>
#include <stdint.h>
#include <unistd.h>
#define _STRINGIFY2_(x) #x
#define _STRINGIFY_(x) _STRINGIFY2_(x)
#define GOSYM_PREFIX _STRINGIFY_(__USER_LABEL_PREFIX__)
// Call syscall from C code because the gccgo support for calling from
// Go to C does not support varargs functions.
struct ret {
uintptr_t r;
uintptr_t err;
};
struct ret
gccgoRealSyscall(uintptr_t trap, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5, uintptr_t a6, uintptr_t a7, uintptr_t a8, uintptr_t a9)
{
struct ret r;
errno = 0;
r.r = syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
r.err = errno;
return r;
}
uintptr_t
gccgoRealSyscallNoError(uintptr_t trap, uintptr_t a1, uintptr_t a2, uintptr_t a3, uintptr_t a4, uintptr_t a5, uintptr_t a6, uintptr_t a7, uintptr_t a8, uintptr_t a9)
{
return syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
}

20
vendor/golang.org/x/sys/unix/gccgo_linux_amd64.go generated vendored Normal file
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@ -0,0 +1,20 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build gccgo,linux,amd64
package unix
import "syscall"
//extern gettimeofday
func realGettimeofday(*Timeval, *byte) int32
func gettimeofday(tv *Timeval) (err syscall.Errno) {
r := realGettimeofday(tv, nil)
if r < 0 {
return syscall.GetErrno()
}
return 0
}

30
vendor/golang.org/x/sys/unix/ioctl.go generated vendored Normal file
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@ -0,0 +1,30 @@
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
package unix
import "runtime"
// IoctlSetWinsize performs an ioctl on fd with a *Winsize argument.
//
// To change fd's window size, the req argument should be TIOCSWINSZ.
func IoctlSetWinsize(fd int, req uint, value *Winsize) error {
// TODO: if we get the chance, remove the req parameter and
// hardcode TIOCSWINSZ.
err := ioctlSetWinsize(fd, req, value)
runtime.KeepAlive(value)
return err
}
// IoctlSetTermios performs an ioctl on fd with a *Termios.
//
// The req value will usually be TCSETA or TIOCSETA.
func IoctlSetTermios(fd int, req uint, value *Termios) error {
// TODO: if we get the chance, remove the req parameter.
err := ioctlSetTermios(fd, req, value)
runtime.KeepAlive(value)
return err
}

188
vendor/golang.org/x/sys/unix/mkall.sh generated vendored Executable file
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@ -0,0 +1,188 @@
#!/usr/bin/env bash
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# This script runs or (given -n) prints suggested commands to generate files for
# the Architecture/OS specified by the GOARCH and GOOS environment variables.
# See README.md for more information about how the build system works.
GOOSARCH="${GOOS}_${GOARCH}"
# defaults
mksyscall="./mksyscall.pl"
mkerrors="./mkerrors.sh"
zerrors="zerrors_$GOOSARCH.go"
mksysctl=""
zsysctl="zsysctl_$GOOSARCH.go"
mksysnum=
mktypes=
run="sh"
cmd=""
case "$1" in
-syscalls)
for i in zsyscall*go
do
# Run the command line that appears in the first line
# of the generated file to regenerate it.
sed 1q $i | sed 's;^// ;;' | sh > _$i && gofmt < _$i > $i
rm _$i
done
exit 0
;;
-n)
run="cat"
cmd="echo"
shift
esac
case "$#" in
0)
;;
*)
echo 'usage: mkall.sh [-n]' 1>&2
exit 2
esac
if [[ "$GOOS" = "linux" ]] && [[ "$GOARCH" != "sparc64" ]]; then
# Use then new build system
# Files generated through docker (use $cmd so you can Ctl-C the build or run)
$cmd docker build --tag generate:$GOOS $GOOS
$cmd docker run --interactive --tty --volume $(dirname "$(readlink -f "$0")"):/build generate:$GOOS
exit
fi
GOOSARCH_in=syscall_$GOOSARCH.go
case "$GOOSARCH" in
_* | *_ | _)
echo 'undefined $GOOS_$GOARCH:' "$GOOSARCH" 1>&2
exit 1
;;
darwin_386)
mkerrors="$mkerrors -m32"
mksyscall="./mksyscall.pl -l32"
mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
darwin_amd64)
mkerrors="$mkerrors -m64"
mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk macosx)/usr/include/sys/syscall.h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
darwin_arm)
mkerrors="$mkerrors"
mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
darwin_arm64)
mkerrors="$mkerrors -m64"
mksysnum="./mksysnum_darwin.pl $(xcrun --show-sdk-path --sdk iphoneos)/usr/include/sys/syscall.h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
dragonfly_amd64)
mkerrors="$mkerrors -m64"
mksyscall="./mksyscall.pl -dragonfly"
mksysnum="curl -s 'http://gitweb.dragonflybsd.org/dragonfly.git/blob_plain/HEAD:/sys/kern/syscalls.master' | ./mksysnum_dragonfly.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
freebsd_386)
mkerrors="$mkerrors -m32"
mksyscall="./mksyscall.pl -l32"
mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
freebsd_amd64)
mkerrors="$mkerrors -m64"
mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
freebsd_arm)
mkerrors="$mkerrors"
mksyscall="./mksyscall.pl -l32 -arm"
mksysnum="curl -s 'http://svn.freebsd.org/base/stable/10/sys/kern/syscalls.master' | ./mksysnum_freebsd.pl"
# Let the type of C char be signed for making the bare syscall
# API consistent across platforms.
mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
;;
linux_sparc64)
GOOSARCH_in=syscall_linux_sparc64.go
unistd_h=/usr/include/sparc64-linux-gnu/asm/unistd.h
mkerrors="$mkerrors -m64"
mksysnum="./mksysnum_linux.pl $unistd_h"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
netbsd_386)
mkerrors="$mkerrors -m32"
mksyscall="./mksyscall.pl -l32 -netbsd"
mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
netbsd_amd64)
mkerrors="$mkerrors -m64"
mksyscall="./mksyscall.pl -netbsd"
mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
netbsd_arm)
mkerrors="$mkerrors"
mksyscall="./mksyscall.pl -l32 -netbsd -arm"
mksysnum="curl -s 'http://cvsweb.netbsd.org/bsdweb.cgi/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_netbsd.pl"
# Let the type of C char be signed for making the bare syscall
# API consistent across platforms.
mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
;;
openbsd_386)
mkerrors="$mkerrors -m32"
mksyscall="./mksyscall.pl -l32 -openbsd"
mksysctl="./mksysctl_openbsd.pl"
mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
openbsd_amd64)
mkerrors="$mkerrors -m64"
mksyscall="./mksyscall.pl -openbsd"
mksysctl="./mksysctl_openbsd.pl"
mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl"
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
openbsd_arm)
mkerrors="$mkerrors"
mksyscall="./mksyscall.pl -l32 -openbsd -arm"
mksysctl="./mksysctl_openbsd.pl"
mksysnum="curl -s 'http://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/sys/kern/syscalls.master' | ./mksysnum_openbsd.pl"
# Let the type of C char be signed for making the bare syscall
# API consistent across platforms.
mktypes="GOARCH=$GOARCH go tool cgo -godefs -- -fsigned-char"
;;
solaris_amd64)
mksyscall="./mksyscall_solaris.pl"
mkerrors="$mkerrors -m64"
mksysnum=
mktypes="GOARCH=$GOARCH go tool cgo -godefs"
;;
*)
echo 'unrecognized $GOOS_$GOARCH: ' "$GOOSARCH" 1>&2
exit 1
;;
esac
(
if [ -n "$mkerrors" ]; then echo "$mkerrors |gofmt >$zerrors"; fi
case "$GOOS" in
*)
syscall_goos="syscall_$GOOS.go"
case "$GOOS" in
darwin | dragonfly | freebsd | netbsd | openbsd)
syscall_goos="syscall_bsd.go $syscall_goos"
;;
esac
if [ -n "$mksyscall" ]; then echo "$mksyscall -tags $GOOS,$GOARCH $syscall_goos $GOOSARCH_in |gofmt >zsyscall_$GOOSARCH.go"; fi
;;
esac
if [ -n "$mksysctl" ]; then echo "$mksysctl |gofmt >$zsysctl"; fi
if [ -n "$mksysnum" ]; then echo "$mksysnum |gofmt >zsysnum_$GOOSARCH.go"; fi
if [ -n "$mktypes" ]; then
echo "$mktypes types_$GOOS.go | go run mkpost.go > ztypes_$GOOSARCH.go";
fi
) | $run

614
vendor/golang.org/x/sys/unix/mkerrors.sh generated vendored Executable file
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@ -0,0 +1,614 @@
#!/usr/bin/env bash
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# Generate Go code listing errors and other #defined constant
# values (ENAMETOOLONG etc.), by asking the preprocessor
# about the definitions.
unset LANG
export LC_ALL=C
export LC_CTYPE=C
if test -z "$GOARCH" -o -z "$GOOS"; then
echo 1>&2 "GOARCH or GOOS not defined in environment"
exit 1
fi
# Check that we are using the new build system if we should
if [[ "$GOOS" = "linux" ]] && [[ "$GOARCH" != "sparc64" ]]; then
if [[ "$GOLANG_SYS_BUILD" != "docker" ]]; then
echo 1>&2 "In the new build system, mkerrors should not be called directly."
echo 1>&2 "See README.md"
exit 1
fi
fi
CC=${CC:-cc}
if [[ "$GOOS" = "solaris" ]]; then
# Assumes GNU versions of utilities in PATH.
export PATH=/usr/gnu/bin:$PATH
fi
uname=$(uname)
includes_Darwin='
#define _DARWIN_C_SOURCE
#define KERNEL
#define _DARWIN_USE_64_BIT_INODE
#include <stdint.h>
#include <sys/attr.h>
#include <sys/types.h>
#include <sys/event.h>
#include <sys/ptrace.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/utsname.h>
#include <sys/wait.h>
#include <sys/xattr.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <termios.h>
'
includes_DragonFly='
#include <sys/types.h>
#include <sys/event.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/stat.h>
#include <sys/sysctl.h>
#include <sys/mman.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/route.h>
#include <netinet/in.h>
#include <termios.h>
#include <netinet/ip.h>
#include <net/ip_mroute/ip_mroute.h>
'
includes_FreeBSD='
#include <sys/capability.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/event.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/stat.h>
#include <sys/sysctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/route.h>
#include <netinet/in.h>
#include <termios.h>
#include <netinet/ip.h>
#include <netinet/ip_mroute.h>
#include <sys/extattr.h>
#if __FreeBSD__ >= 10
#define IFT_CARP 0xf8 // IFT_CARP is deprecated in FreeBSD 10
#undef SIOCAIFADDR
#define SIOCAIFADDR _IOW(105, 26, struct oifaliasreq) // ifaliasreq contains if_data
#undef SIOCSIFPHYADDR
#define SIOCSIFPHYADDR _IOW(105, 70, struct oifaliasreq) // ifaliasreq contains if_data
#endif
'
includes_Linux='
#define _LARGEFILE_SOURCE
#define _LARGEFILE64_SOURCE
#ifndef __LP64__
#define _FILE_OFFSET_BITS 64
#endif
#define _GNU_SOURCE
// <sys/ioctl.h> is broken on powerpc64, as it fails to include definitions of
// these structures. We just include them copied from <bits/termios.h>.
#if defined(__powerpc__)
struct sgttyb {
char sg_ispeed;
char sg_ospeed;
char sg_erase;
char sg_kill;
short sg_flags;
};
struct tchars {
char t_intrc;
char t_quitc;
char t_startc;
char t_stopc;
char t_eofc;
char t_brkc;
};
struct ltchars {
char t_suspc;
char t_dsuspc;
char t_rprntc;
char t_flushc;
char t_werasc;
char t_lnextc;
};
#endif
#include <bits/sockaddr.h>
#include <sys/epoll.h>
#include <sys/eventfd.h>
#include <sys/inotify.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/mount.h>
#include <sys/prctl.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/time.h>
#include <sys/socket.h>
#include <sys/xattr.h>
#include <linux/if.h>
#include <linux/if_alg.h>
#include <linux/if_arp.h>
#include <linux/if_ether.h>
#include <linux/if_tun.h>
#include <linux/if_packet.h>
#include <linux/if_addr.h>
#include <linux/falloc.h>
#include <linux/filter.h>
#include <linux/fs.h>
#include <linux/keyctl.h>
#include <linux/magic.h>
#include <linux/netfilter/nfnetlink.h>
#include <linux/netlink.h>
#include <linux/net_namespace.h>
#include <linux/perf_event.h>
#include <linux/random.h>
#include <linux/reboot.h>
#include <linux/rtnetlink.h>
#include <linux/ptrace.h>
#include <linux/sched.h>
#include <linux/seccomp.h>
#include <linux/sockios.h>
#include <linux/wait.h>
#include <linux/icmpv6.h>
#include <linux/serial.h>
#include <linux/can.h>
#include <linux/vm_sockets.h>
#include <linux/taskstats.h>
#include <linux/genetlink.h>
#include <linux/watchdog.h>
#include <linux/hdreg.h>
#include <linux/rtc.h>
#include <mtd/ubi-user.h>
#include <net/route.h>
#include <asm/termbits.h>
#ifndef MSG_FASTOPEN
#define MSG_FASTOPEN 0x20000000
#endif
#ifndef PTRACE_GETREGS
#define PTRACE_GETREGS 0xc
#endif
#ifndef PTRACE_SETREGS
#define PTRACE_SETREGS 0xd
#endif
#ifndef SOL_NETLINK
#define SOL_NETLINK 270
#endif
#ifdef SOL_BLUETOOTH
// SPARC includes this in /usr/include/sparc64-linux-gnu/bits/socket.h
// but it is already in bluetooth_linux.go
#undef SOL_BLUETOOTH
#endif
// Certain constants are missing from the fs/crypto UAPI
#define FS_KEY_DESC_PREFIX "fscrypt:"
#define FS_KEY_DESC_PREFIX_SIZE 8
#define FS_MAX_KEY_SIZE 64
'
includes_NetBSD='
#include <sys/types.h>
#include <sys/param.h>
#include <sys/event.h>
#include <sys/extattr.h>
#include <sys/mman.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/sysctl.h>
#include <sys/termios.h>
#include <sys/ttycom.h>
#include <sys/wait.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_mroute.h>
#include <netinet/if_ether.h>
// Needed since <sys/param.h> refers to it...
#define schedppq 1
'
includes_OpenBSD='
#include <sys/types.h>
#include <sys/param.h>
#include <sys/event.h>
#include <sys/mman.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/stat.h>
#include <sys/sysctl.h>
#include <sys/termios.h>
#include <sys/ttycom.h>
#include <sys/unistd.h>
#include <sys/wait.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_types.h>
#include <net/if_var.h>
#include <net/route.h>
#include <netinet/in.h>
#include <netinet/in_systm.h>
#include <netinet/ip.h>
#include <netinet/ip_mroute.h>
#include <netinet/if_ether.h>
#include <net/if_bridge.h>
// We keep some constants not supported in OpenBSD 5.5 and beyond for
// the promise of compatibility.
#define EMUL_ENABLED 0x1
#define EMUL_NATIVE 0x2
#define IPV6_FAITH 0x1d
#define IPV6_OPTIONS 0x1
#define IPV6_RTHDR_STRICT 0x1
#define IPV6_SOCKOPT_RESERVED1 0x3
#define SIOCGIFGENERIC 0xc020693a
#define SIOCSIFGENERIC 0x80206939
#define WALTSIG 0x4
'
includes_SunOS='
#include <limits.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/sockio.h>
#include <sys/stat.h>
#include <sys/mman.h>
#include <sys/wait.h>
#include <sys/ioctl.h>
#include <sys/mkdev.h>
#include <net/bpf.h>
#include <net/if.h>
#include <net/if_arp.h>
#include <net/if_types.h>
#include <net/route.h>
#include <netinet/in.h>
#include <termios.h>
#include <netinet/ip.h>
#include <netinet/ip_mroute.h>
'
includes='
#include <sys/types.h>
#include <sys/file.h>
#include <fcntl.h>
#include <dirent.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/ip6.h>
#include <netinet/tcp.h>
#include <errno.h>
#include <sys/signal.h>
#include <signal.h>
#include <sys/resource.h>
#include <time.h>
'
ccflags="$@"
# Write go tool cgo -godefs input.
(
echo package unix
echo
echo '/*'
indirect="includes_$(uname)"
echo "${!indirect} $includes"
echo '*/'
echo 'import "C"'
echo 'import "syscall"'
echo
echo 'const ('
# The gcc command line prints all the #defines
# it encounters while processing the input
echo "${!indirect} $includes" | $CC -x c - -E -dM $ccflags |
awk '
$1 != "#define" || $2 ~ /\(/ || $3 == "" {next}
$2 ~ /^E([ABCD]X|[BIS]P|[SD]I|S|FL)$/ {next} # 386 registers
$2 ~ /^(SIGEV_|SIGSTKSZ|SIGRT(MIN|MAX))/ {next}
$2 ~ /^(SCM_SRCRT)$/ {next}
$2 ~ /^(MAP_FAILED)$/ {next}
$2 ~ /^ELF_.*$/ {next}# <asm/elf.h> contains ELF_ARCH, etc.
$2 ~ /^EXTATTR_NAMESPACE_NAMES/ ||
$2 ~ /^EXTATTR_NAMESPACE_[A-Z]+_STRING/ {next}
$2 !~ /^ETH_/ &&
$2 !~ /^EPROC_/ &&
$2 !~ /^EQUIV_/ &&
$2 !~ /^EXPR_/ &&
$2 ~ /^E[A-Z0-9_]+$/ ||
$2 ~ /^B[0-9_]+$/ ||
$2 ~ /^(OLD|NEW)DEV$/ ||
$2 == "BOTHER" ||
$2 ~ /^CI?BAUD(EX)?$/ ||
$2 == "IBSHIFT" ||
$2 ~ /^V[A-Z0-9]+$/ ||
$2 ~ /^CS[A-Z0-9]/ ||
$2 ~ /^I(SIG|CANON|CRNL|UCLC|EXTEN|MAXBEL|STRIP|UTF8)$/ ||
$2 ~ /^IGN/ ||
$2 ~ /^IX(ON|ANY|OFF)$/ ||
$2 ~ /^IN(LCR|PCK)$/ ||
$2 !~ "X86_CR3_PCID_NOFLUSH" &&
$2 ~ /(^FLU?SH)|(FLU?SH$)/ ||
$2 ~ /^C(LOCAL|READ|MSPAR|RTSCTS)$/ ||
$2 == "BRKINT" ||
$2 == "HUPCL" ||
$2 == "PENDIN" ||
$2 == "TOSTOP" ||
$2 == "XCASE" ||
$2 == "ALTWERASE" ||
$2 == "NOKERNINFO" ||
$2 ~ /^PAR/ ||
$2 ~ /^SIG[^_]/ ||
$2 ~ /^O[CNPFPL][A-Z]+[^_][A-Z]+$/ ||
$2 ~ /^(NL|CR|TAB|BS|VT|FF)DLY$/ ||
$2 ~ /^(NL|CR|TAB|BS|VT|FF)[0-9]$/ ||
$2 ~ /^O?XTABS$/ ||
$2 ~ /^TC[IO](ON|OFF)$/ ||
$2 ~ /^IN_/ ||
$2 ~ /^LOCK_(SH|EX|NB|UN)$/ ||
$2 ~ /^(AF|SOCK|SO|SOL|IPPROTO|IP|IPV6|ICMP6|TCP|EVFILT|NOTE|EV|SHUT|PROT|MAP|T?PACKET|MSG|SCM|MCL|DT|MADV|PR)_/ ||
$2 ~ /^TP_STATUS_/ ||
$2 ~ /^FALLOC_/ ||
$2 == "ICMPV6_FILTER" ||
$2 == "SOMAXCONN" ||
$2 == "NAME_MAX" ||
$2 == "IFNAMSIZ" ||
$2 ~ /^CTL_(HW|KERN|MAXNAME|NET|QUERY)$/ ||
$2 ~ /^KERN_(HOSTNAME|OS(RELEASE|TYPE)|VERSION)$/ ||
$2 ~ /^HW_MACHINE$/ ||
$2 ~ /^SYSCTL_VERS/ ||
$2 ~ /^(MS|MNT|UMOUNT)_/ ||
$2 ~ /^TUN(SET|GET|ATTACH|DETACH)/ ||
$2 ~ /^(O|F|E?FD|NAME|S|PTRACE|PT)_/ ||
$2 ~ /^LINUX_REBOOT_CMD_/ ||
$2 ~ /^LINUX_REBOOT_MAGIC[12]$/ ||
$2 !~ "NLA_TYPE_MASK" &&
$2 ~ /^(NETLINK|NLM|NLMSG|NLA|IFA|IFAN|RT|RTC|RTCF|RTN|RTPROT|RTNH|ARPHRD|ETH_P|NETNSA)_/ ||
$2 ~ /^SIOC/ ||
$2 ~ /^TIOC/ ||
$2 ~ /^TCGET/ ||
$2 ~ /^TCSET/ ||
$2 ~ /^TC(FLSH|SBRKP?|XONC)$/ ||
$2 !~ "RTF_BITS" &&
$2 ~ /^(IFF|IFT|NET_RT|RTM|RTF|RTV|RTA|RTAX)_/ ||
$2 ~ /^BIOC/ ||
$2 ~ /^RUSAGE_(SELF|CHILDREN|THREAD)/ ||
$2 ~ /^RLIMIT_(AS|CORE|CPU|DATA|FSIZE|LOCKS|MEMLOCK|MSGQUEUE|NICE|NOFILE|NPROC|RSS|RTPRIO|RTTIME|SIGPENDING|STACK)|RLIM_INFINITY/ ||
$2 ~ /^PRIO_(PROCESS|PGRP|USER)/ ||
$2 ~ /^CLONE_[A-Z_]+/ ||
$2 !~ /^(BPF_TIMEVAL)$/ &&
$2 ~ /^(BPF|DLT)_/ ||
$2 ~ /^CLOCK_/ ||
$2 ~ /^CAN_/ ||
$2 ~ /^CAP_/ ||
$2 ~ /^ALG_/ ||
$2 ~ /^FS_(POLICY_FLAGS|KEY_DESC|ENCRYPTION_MODE|[A-Z0-9_]+_KEY_SIZE|IOC_(GET|SET)_ENCRYPTION)/ ||
$2 ~ /^GRND_/ ||
$2 ~ /^KEY_(SPEC|REQKEY_DEFL)_/ ||
$2 ~ /^KEYCTL_/ ||
$2 ~ /^PERF_EVENT_IOC_/ ||
$2 ~ /^SECCOMP_MODE_/ ||
$2 ~ /^SPLICE_/ ||
$2 !~ /^AUDIT_RECORD_MAGIC/ &&
$2 !~ /IOC_MAGIC/ &&
$2 ~ /^[A-Z][A-Z0-9_]+_MAGIC2?$/ ||
$2 ~ /^(VM|VMADDR)_/ ||
$2 ~ /^IOCTL_VM_SOCKETS_/ ||
$2 ~ /^(TASKSTATS|TS)_/ ||
$2 ~ /^CGROUPSTATS_/ ||
$2 ~ /^GENL_/ ||
$2 ~ /^STATX_/ ||
$2 ~ /^RENAME/ ||
$2 ~ /^UBI_IOC[A-Z]/ ||
$2 ~ /^UTIME_/ ||
$2 ~ /^XATTR_(CREATE|REPLACE|NO(DEFAULT|FOLLOW|SECURITY)|SHOWCOMPRESSION)/ ||
$2 ~ /^ATTR_(BIT_MAP_COUNT|(CMN|VOL|FILE)_)/ ||
$2 ~ /^FSOPT_/ ||
$2 ~ /^WDIOC_/ ||
$2 ~ /^NFN/ ||
$2 ~ /^(HDIO|WIN|SMART)_/ ||
$2 !~ "WMESGLEN" &&
$2 ~ /^W[A-Z0-9]+$/ ||
$2 ~ /^BLK[A-Z]*(GET$|SET$|BUF$|PART$|SIZE)/ {printf("\t%s = C.%s\n", $2, $2)}
$2 ~ /^__WCOREFLAG$/ {next}
$2 ~ /^__W[A-Z0-9]+$/ {printf("\t%s = C.%s\n", substr($2,3), $2)}
{next}
' | sort
echo ')'
) >_const.go
# Pull out the error names for later.
errors=$(
echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print $2 }' |
sort
)
# Pull out the signal names for later.
signals=$(
echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print $2 }' |
egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT)' |
sort
)
# Again, writing regexps to a file.
echo '#include <errno.h>' | $CC -x c - -E -dM $ccflags |
awk '$1=="#define" && $2 ~ /^E[A-Z0-9_]+$/ { print "^\t" $2 "[ \t]*=" }' |
sort >_error.grep
echo '#include <signal.h>' | $CC -x c - -E -dM $ccflags |
awk '$1=="#define" && $2 ~ /^SIG[A-Z0-9]+$/ { print "^\t" $2 "[ \t]*=" }' |
egrep -v '(SIGSTKSIZE|SIGSTKSZ|SIGRT)' |
sort >_signal.grep
echo '// mkerrors.sh' "$@"
echo '// Code generated by the command above; see README.md. DO NOT EDIT.'
echo
echo "// +build ${GOARCH},${GOOS}"
echo
go tool cgo -godefs -- "$@" _const.go >_error.out
cat _error.out | grep -vf _error.grep | grep -vf _signal.grep
echo
echo '// Errors'
echo 'const ('
cat _error.out | grep -f _error.grep | sed 's/=\(.*\)/= syscall.Errno(\1)/'
echo ')'
echo
echo '// Signals'
echo 'const ('
cat _error.out | grep -f _signal.grep | sed 's/=\(.*\)/= syscall.Signal(\1)/'
echo ')'
# Run C program to print error and syscall strings.
(
echo -E "
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <ctype.h>
#include <string.h>
#include <signal.h>
#define nelem(x) (sizeof(x)/sizeof((x)[0]))
enum { A = 'A', Z = 'Z', a = 'a', z = 'z' }; // avoid need for single quotes below
struct tuple {
int num;
const char *name;
};
struct tuple errors[] = {
"
for i in $errors
do
echo -E ' {'$i', "'$i'" },'
done
echo -E "
};
struct tuple signals[] = {
"
for i in $signals
do
echo -E ' {'$i', "'$i'" },'
done
# Use -E because on some systems bash builtin interprets \n itself.
echo -E '
};
static int
tuplecmp(const void *a, const void *b)
{
return ((struct tuple *)a)->num - ((struct tuple *)b)->num;
}
int
main(void)
{
int i, e;
char buf[1024], *p;
printf("\n\n// Error table\n");
printf("var errorList = [...]struct {\n");
printf("\tnum syscall.Errno\n");
printf("\tname string\n");
printf("\tdesc string\n");
printf("} {\n");
qsort(errors, nelem(errors), sizeof errors[0], tuplecmp);
for(i=0; i<nelem(errors); i++) {
e = errors[i].num;
if(i > 0 && errors[i-1].num == e)
continue;
strcpy(buf, strerror(e));
// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
buf[0] += a - A;
printf("\t{ %d, \"%s\", \"%s\" },\n", e, errors[i].name, buf);
}
printf("}\n\n");
printf("\n\n// Signal table\n");
printf("var signalList = [...]struct {\n");
printf("\tnum syscall.Signal\n");
printf("\tname string\n");
printf("\tdesc string\n");
printf("} {\n");
qsort(signals, nelem(signals), sizeof signals[0], tuplecmp);
for(i=0; i<nelem(signals); i++) {
e = signals[i].num;
if(i > 0 && signals[i-1].num == e)
continue;
strcpy(buf, strsignal(e));
// lowercase first letter: Bad -> bad, but STREAM -> STREAM.
if(A <= buf[0] && buf[0] <= Z && a <= buf[1] && buf[1] <= z)
buf[0] += a - A;
// cut trailing : number.
p = strrchr(buf, ":"[0]);
if(p)
*p = '\0';
printf("\t{ %d, \"%s\", \"%s\" },\n", e, signals[i].name, buf);
}
printf("}\n\n");
return 0;
}
'
) >_errors.c
$CC $ccflags -o _errors _errors.c && $GORUN ./_errors && rm -f _errors.c _errors _const.go _error.grep _signal.grep _error.out

98
vendor/golang.org/x/sys/unix/mkpost.go generated vendored Normal file
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@ -0,0 +1,98 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build ignore
// mkpost processes the output of cgo -godefs to
// modify the generated types. It is used to clean up
// the sys API in an architecture specific manner.
//
// mkpost is run after cgo -godefs; see README.md.
package main
import (
"bytes"
"fmt"
"go/format"
"io/ioutil"
"log"
"os"
"regexp"
)
func main() {
// Get the OS and architecture (using GOARCH_TARGET if it exists)
goos := os.Getenv("GOOS")
goarch := os.Getenv("GOARCH_TARGET")
if goarch == "" {
goarch = os.Getenv("GOARCH")
}
// Check that we are using the new build system if we should be.
if goos == "linux" && goarch != "sparc64" {
if os.Getenv("GOLANG_SYS_BUILD") != "docker" {
os.Stderr.WriteString("In the new build system, mkpost should not be called directly.\n")
os.Stderr.WriteString("See README.md\n")
os.Exit(1)
}
}
b, err := ioutil.ReadAll(os.Stdin)
if err != nil {
log.Fatal(err)
}
// Intentionally export __val fields in Fsid and Sigset_t
valRegex := regexp.MustCompile(`type (Fsid|Sigset_t) struct {(\s+)X__val(\s+\S+\s+)}`)
b = valRegex.ReplaceAll(b, []byte("type $1 struct {${2}Val$3}"))
// If we have empty Ptrace structs, we should delete them. Only s390x emits
// nonempty Ptrace structs.
ptraceRexexp := regexp.MustCompile(`type Ptrace((Psw|Fpregs|Per) struct {\s*})`)
b = ptraceRexexp.ReplaceAll(b, nil)
// Replace the control_regs union with a blank identifier for now.
controlRegsRegex := regexp.MustCompile(`(Control_regs)\s+\[0\]uint64`)
b = controlRegsRegex.ReplaceAll(b, []byte("_ [0]uint64"))
// Remove fields that are added by glibc
// Note that this is unstable as the identifers are private.
removeFieldsRegex := regexp.MustCompile(`X__glibc\S*`)
b = removeFieldsRegex.ReplaceAll(b, []byte("_"))
// Convert [65]int8 to [65]byte in Utsname members to simplify
// conversion to string; see golang.org/issue/20753
convertUtsnameRegex := regexp.MustCompile(`((Sys|Node|Domain)name|Release|Version|Machine)(\s+)\[(\d+)\]u?int8`)
b = convertUtsnameRegex.ReplaceAll(b, []byte("$1$3[$4]byte"))
// Remove spare fields (e.g. in Statx_t)
spareFieldsRegex := regexp.MustCompile(`X__spare\S*`)
b = spareFieldsRegex.ReplaceAll(b, []byte("_"))
// Remove cgo padding fields
removePaddingFieldsRegex := regexp.MustCompile(`Pad_cgo_\d+`)
b = removePaddingFieldsRegex.ReplaceAll(b, []byte("_"))
// Remove padding, hidden, or unused fields
removeFieldsRegex = regexp.MustCompile(`\b(X_\S+|Padding)`)
b = removeFieldsRegex.ReplaceAll(b, []byte("_"))
// Remove the first line of warning from cgo
b = b[bytes.IndexByte(b, '\n')+1:]
// Modify the command in the header to include:
// mkpost, our own warning, and a build tag.
replacement := fmt.Sprintf(`$1 | go run mkpost.go
// Code generated by the command above; see README.md. DO NOT EDIT.
// +build %s,%s`, goarch, goos)
cgoCommandRegex := regexp.MustCompile(`(cgo -godefs .*)`)
b = cgoCommandRegex.ReplaceAll(b, []byte(replacement))
// gofmt
b, err = format.Source(b)
if err != nil {
log.Fatal(err)
}
os.Stdout.Write(b)
}

341
vendor/golang.org/x/sys/unix/mksyscall.pl generated vendored Executable file
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@ -0,0 +1,341 @@
#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# This program reads a file containing function prototypes
# (like syscall_darwin.go) and generates system call bodies.
# The prototypes are marked by lines beginning with "//sys"
# and read like func declarations if //sys is replaced by func, but:
# * The parameter lists must give a name for each argument.
# This includes return parameters.
# * The parameter lists must give a type for each argument:
# the (x, y, z int) shorthand is not allowed.
# * If the return parameter is an error number, it must be named errno.
# A line beginning with //sysnb is like //sys, except that the
# goroutine will not be suspended during the execution of the system
# call. This must only be used for system calls which can never
# block, as otherwise the system call could cause all goroutines to
# hang.
use strict;
my $cmdline = "mksyscall.pl " . join(' ', @ARGV);
my $errors = 0;
my $_32bit = "";
my $plan9 = 0;
my $openbsd = 0;
my $netbsd = 0;
my $dragonfly = 0;
my $arm = 0; # 64-bit value should use (even, odd)-pair
my $tags = ""; # build tags
if($ARGV[0] eq "-b32") {
$_32bit = "big-endian";
shift;
} elsif($ARGV[0] eq "-l32") {
$_32bit = "little-endian";
shift;
}
if($ARGV[0] eq "-plan9") {
$plan9 = 1;
shift;
}
if($ARGV[0] eq "-openbsd") {
$openbsd = 1;
shift;
}
if($ARGV[0] eq "-netbsd") {
$netbsd = 1;
shift;
}
if($ARGV[0] eq "-dragonfly") {
$dragonfly = 1;
shift;
}
if($ARGV[0] eq "-arm") {
$arm = 1;
shift;
}
if($ARGV[0] eq "-tags") {
shift;
$tags = $ARGV[0];
shift;
}
if($ARGV[0] =~ /^-/) {
print STDERR "usage: mksyscall.pl [-b32 | -l32] [-tags x,y] [file ...]\n";
exit 1;
}
# Check that we are using the new build system if we should
if($ENV{'GOOS'} eq "linux" && $ENV{'GOARCH'} ne "sparc64") {
if($ENV{'GOLANG_SYS_BUILD'} ne "docker") {
print STDERR "In the new build system, mksyscall should not be called directly.\n";
print STDERR "See README.md\n";
exit 1;
}
}
sub parseparamlist($) {
my ($list) = @_;
$list =~ s/^\s*//;
$list =~ s/\s*$//;
if($list eq "") {
return ();
}
return split(/\s*,\s*/, $list);
}
sub parseparam($) {
my ($p) = @_;
if($p !~ /^(\S*) (\S*)$/) {
print STDERR "$ARGV:$.: malformed parameter: $p\n";
$errors = 1;
return ("xx", "int");
}
return ($1, $2);
}
my $text = "";
while(<>) {
chomp;
s/\s+/ /g;
s/^\s+//;
s/\s+$//;
my $nonblock = /^\/\/sysnb /;
next if !/^\/\/sys / && !$nonblock;
# Line must be of the form
# func Open(path string, mode int, perm int) (fd int, errno error)
# Split into name, in params, out params.
if(!/^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*((?i)SYS_[A-Z0-9_]+))?$/) {
print STDERR "$ARGV:$.: malformed //sys declaration\n";
$errors = 1;
next;
}
my ($func, $in, $out, $sysname) = ($2, $3, $4, $5);
# Split argument lists on comma.
my @in = parseparamlist($in);
my @out = parseparamlist($out);
# Try in vain to keep people from editing this file.
# The theory is that they jump into the middle of the file
# without reading the header.
$text .= "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n";
# Go function header.
my $out_decl = @out ? sprintf(" (%s)", join(', ', @out)) : "";
$text .= sprintf "func %s(%s)%s {\n", $func, join(', ', @in), $out_decl;
# Check if err return available
my $errvar = "";
foreach my $p (@out) {
my ($name, $type) = parseparam($p);
if($type eq "error") {
$errvar = $name;
last;
}
}
# Prepare arguments to Syscall.
my @args = ();
my $n = 0;
foreach my $p (@in) {
my ($name, $type) = parseparam($p);
if($type =~ /^\*/) {
push @args, "uintptr(unsafe.Pointer($name))";
} elsif($type eq "string" && $errvar ne "") {
$text .= "\tvar _p$n *byte\n";
$text .= "\t_p$n, $errvar = BytePtrFromString($name)\n";
$text .= "\tif $errvar != nil {\n\t\treturn\n\t}\n";
push @args, "uintptr(unsafe.Pointer(_p$n))";
$n++;
} elsif($type eq "string") {
print STDERR "$ARGV:$.: $func uses string arguments, but has no error return\n";
$text .= "\tvar _p$n *byte\n";
$text .= "\t_p$n, _ = BytePtrFromString($name)\n";
push @args, "uintptr(unsafe.Pointer(_p$n))";
$n++;
} elsif($type =~ /^\[\](.*)/) {
# Convert slice into pointer, length.
# Have to be careful not to take address of &a[0] if len == 0:
# pass dummy pointer in that case.
# Used to pass nil, but some OSes or simulators reject write(fd, nil, 0).
$text .= "\tvar _p$n unsafe.Pointer\n";
$text .= "\tif len($name) > 0 {\n\t\t_p$n = unsafe.Pointer(\&${name}[0])\n\t}";
$text .= " else {\n\t\t_p$n = unsafe.Pointer(&_zero)\n\t}";
$text .= "\n";
push @args, "uintptr(_p$n)", "uintptr(len($name))";
$n++;
} elsif($type eq "int64" && ($openbsd || $netbsd)) {
push @args, "0";
if($_32bit eq "big-endian") {
push @args, "uintptr($name>>32)", "uintptr($name)";
} elsif($_32bit eq "little-endian") {
push @args, "uintptr($name)", "uintptr($name>>32)";
} else {
push @args, "uintptr($name)";
}
} elsif($type eq "int64" && $dragonfly) {
if ($func !~ /^extp(read|write)/i) {
push @args, "0";
}
if($_32bit eq "big-endian") {
push @args, "uintptr($name>>32)", "uintptr($name)";
} elsif($_32bit eq "little-endian") {
push @args, "uintptr($name)", "uintptr($name>>32)";
} else {
push @args, "uintptr($name)";
}
} elsif($type eq "int64" && $_32bit ne "") {
if(@args % 2 && $arm) {
# arm abi specifies 64-bit argument uses
# (even, odd) pair
push @args, "0"
}
if($_32bit eq "big-endian") {
push @args, "uintptr($name>>32)", "uintptr($name)";
} else {
push @args, "uintptr($name)", "uintptr($name>>32)";
}
} else {
push @args, "uintptr($name)";
}
}
# Determine which form to use; pad args with zeros.
my $asm = "Syscall";
if ($nonblock) {
if ($errvar eq "" && $ENV{'GOOS'} eq "linux") {
$asm = "RawSyscallNoError";
} else {
$asm = "RawSyscall";
}
} else {
if ($errvar eq "" && $ENV{'GOOS'} eq "linux") {
$asm = "SyscallNoError";
}
}
if(@args <= 3) {
while(@args < 3) {
push @args, "0";
}
} elsif(@args <= 6) {
$asm .= "6";
while(@args < 6) {
push @args, "0";
}
} elsif(@args <= 9) {
$asm .= "9";
while(@args < 9) {
push @args, "0";
}
} else {
print STDERR "$ARGV:$.: too many arguments to system call\n";
}
# System call number.
if($sysname eq "") {
$sysname = "SYS_$func";
$sysname =~ s/([a-z])([A-Z])/${1}_$2/g; # turn FooBar into Foo_Bar
$sysname =~ y/a-z/A-Z/;
}
# Actual call.
my $args = join(', ', @args);
my $call = "$asm($sysname, $args)";
# Assign return values.
my $body = "";
my @ret = ("_", "_", "_");
my $do_errno = 0;
for(my $i=0; $i<@out; $i++) {
my $p = $out[$i];
my ($name, $type) = parseparam($p);
my $reg = "";
if($name eq "err" && !$plan9) {
$reg = "e1";
$ret[2] = $reg;
$do_errno = 1;
} elsif($name eq "err" && $plan9) {
$ret[0] = "r0";
$ret[2] = "e1";
next;
} else {
$reg = sprintf("r%d", $i);
$ret[$i] = $reg;
}
if($type eq "bool") {
$reg = "$reg != 0";
}
if($type eq "int64" && $_32bit ne "") {
# 64-bit number in r1:r0 or r0:r1.
if($i+2 > @out) {
print STDERR "$ARGV:$.: not enough registers for int64 return\n";
}
if($_32bit eq "big-endian") {
$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i, $i+1);
} else {
$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i+1, $i);
}
$ret[$i] = sprintf("r%d", $i);
$ret[$i+1] = sprintf("r%d", $i+1);
}
if($reg ne "e1" || $plan9) {
$body .= "\t$name = $type($reg)\n";
}
}
if ($ret[0] eq "_" && $ret[1] eq "_" && $ret[2] eq "_") {
$text .= "\t$call\n";
} else {
if ($errvar eq "" && $ENV{'GOOS'} eq "linux") {
# raw syscall without error on Linux, see golang.org/issue/22924
$text .= "\t$ret[0], $ret[1] := $call\n";
} else {
$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
}
}
$text .= $body;
if ($plan9 && $ret[2] eq "e1") {
$text .= "\tif int32(r0) == -1 {\n";
$text .= "\t\terr = e1\n";
$text .= "\t}\n";
} elsif ($do_errno) {
$text .= "\tif e1 != 0 {\n";
$text .= "\t\terr = errnoErr(e1)\n";
$text .= "\t}\n";
}
$text .= "\treturn\n";
$text .= "}\n\n";
}
chomp $text;
chomp $text;
if($errors) {
exit 1;
}
print <<EOF;
// $cmdline
// Code generated by the command above; see README.md. DO NOT EDIT.
// +build $tags
package unix
import (
"syscall"
"unsafe"
)
var _ syscall.Errno
$text
EOF
exit 0;

289
vendor/golang.org/x/sys/unix/mksyscall_solaris.pl generated vendored Executable file
View File

@ -0,0 +1,289 @@
#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
# This program reads a file containing function prototypes
# (like syscall_solaris.go) and generates system call bodies.
# The prototypes are marked by lines beginning with "//sys"
# and read like func declarations if //sys is replaced by func, but:
# * The parameter lists must give a name for each argument.
# This includes return parameters.
# * The parameter lists must give a type for each argument:
# the (x, y, z int) shorthand is not allowed.
# * If the return parameter is an error number, it must be named err.
# * If go func name needs to be different than its libc name,
# * or the function is not in libc, name could be specified
# * at the end, after "=" sign, like
# //sys getsockopt(s int, level int, name int, val uintptr, vallen *_Socklen) (err error) = libsocket.getsockopt
use strict;
my $cmdline = "mksyscall_solaris.pl " . join(' ', @ARGV);
my $errors = 0;
my $_32bit = "";
my $tags = ""; # build tags
binmode STDOUT;
if($ARGV[0] eq "-b32") {
$_32bit = "big-endian";
shift;
} elsif($ARGV[0] eq "-l32") {
$_32bit = "little-endian";
shift;
}
if($ARGV[0] eq "-tags") {
shift;
$tags = $ARGV[0];
shift;
}
if($ARGV[0] =~ /^-/) {
print STDERR "usage: mksyscall_solaris.pl [-b32 | -l32] [-tags x,y] [file ...]\n";
exit 1;
}
sub parseparamlist($) {
my ($list) = @_;
$list =~ s/^\s*//;
$list =~ s/\s*$//;
if($list eq "") {
return ();
}
return split(/\s*,\s*/, $list);
}
sub parseparam($) {
my ($p) = @_;
if($p !~ /^(\S*) (\S*)$/) {
print STDERR "$ARGV:$.: malformed parameter: $p\n";
$errors = 1;
return ("xx", "int");
}
return ($1, $2);
}
my $package = "";
my $text = "";
my $dynimports = "";
my $linknames = "";
my @vars = ();
while(<>) {
chomp;
s/\s+/ /g;
s/^\s+//;
s/\s+$//;
$package = $1 if !$package && /^package (\S+)$/;
my $nonblock = /^\/\/sysnb /;
next if !/^\/\/sys / && !$nonblock;
# Line must be of the form
# func Open(path string, mode int, perm int) (fd int, err error)
# Split into name, in params, out params.
if(!/^\/\/sys(nb)? (\w+)\(([^()]*)\)\s*(?:\(([^()]+)\))?\s*(?:=\s*(?:(\w*)\.)?(\w*))?$/) {
print STDERR "$ARGV:$.: malformed //sys declaration\n";
$errors = 1;
next;
}
my ($nb, $func, $in, $out, $modname, $sysname) = ($1, $2, $3, $4, $5, $6);
# Split argument lists on comma.
my @in = parseparamlist($in);
my @out = parseparamlist($out);
# So file name.
if($modname eq "") {
$modname = "libc";
}
# System call name.
if($sysname eq "") {
$sysname = "$func";
}
# System call pointer variable name.
my $sysvarname = "proc$sysname";
my $strconvfunc = "BytePtrFromString";
my $strconvtype = "*byte";
$sysname =~ y/A-Z/a-z/; # All libc functions are lowercase.
# Runtime import of function to allow cross-platform builds.
$dynimports .= "//go:cgo_import_dynamic libc_${sysname} ${sysname} \"$modname.so\"\n";
# Link symbol to proc address variable.
$linknames .= "//go:linkname ${sysvarname} libc_${sysname}\n";
# Library proc address variable.
push @vars, $sysvarname;
# Go function header.
$out = join(', ', @out);
if($out ne "") {
$out = " ($out)";
}
if($text ne "") {
$text .= "\n"
}
$text .= sprintf "func %s(%s)%s {\n", $func, join(', ', @in), $out;
# Check if err return available
my $errvar = "";
foreach my $p (@out) {
my ($name, $type) = parseparam($p);
if($type eq "error") {
$errvar = $name;
last;
}
}
# Prepare arguments to Syscall.
my @args = ();
my $n = 0;
foreach my $p (@in) {
my ($name, $type) = parseparam($p);
if($type =~ /^\*/) {
push @args, "uintptr(unsafe.Pointer($name))";
} elsif($type eq "string" && $errvar ne "") {
$text .= "\tvar _p$n $strconvtype\n";
$text .= "\t_p$n, $errvar = $strconvfunc($name)\n";
$text .= "\tif $errvar != nil {\n\t\treturn\n\t}\n";
push @args, "uintptr(unsafe.Pointer(_p$n))";
$n++;
} elsif($type eq "string") {
print STDERR "$ARGV:$.: $func uses string arguments, but has no error return\n";
$text .= "\tvar _p$n $strconvtype\n";
$text .= "\t_p$n, _ = $strconvfunc($name)\n";
push @args, "uintptr(unsafe.Pointer(_p$n))";
$n++;
} elsif($type =~ /^\[\](.*)/) {
# Convert slice into pointer, length.
# Have to be careful not to take address of &a[0] if len == 0:
# pass nil in that case.
$text .= "\tvar _p$n *$1\n";
$text .= "\tif len($name) > 0 {\n\t\t_p$n = \&$name\[0]\n\t}\n";
push @args, "uintptr(unsafe.Pointer(_p$n))", "uintptr(len($name))";
$n++;
} elsif($type eq "int64" && $_32bit ne "") {
if($_32bit eq "big-endian") {
push @args, "uintptr($name >> 32)", "uintptr($name)";
} else {
push @args, "uintptr($name)", "uintptr($name >> 32)";
}
} elsif($type eq "bool") {
$text .= "\tvar _p$n uint32\n";
$text .= "\tif $name {\n\t\t_p$n = 1\n\t} else {\n\t\t_p$n = 0\n\t}\n";
push @args, "uintptr(_p$n)";
$n++;
} else {
push @args, "uintptr($name)";
}
}
my $nargs = @args;
# Determine which form to use; pad args with zeros.
my $asm = "sysvicall6";
if ($nonblock) {
$asm = "rawSysvicall6";
}
if(@args <= 6) {
while(@args < 6) {
push @args, "0";
}
} else {
print STDERR "$ARGV:$.: too many arguments to system call\n";
}
# Actual call.
my $args = join(', ', @args);
my $call = "$asm(uintptr(unsafe.Pointer(&$sysvarname)), $nargs, $args)";
# Assign return values.
my $body = "";
my $failexpr = "";
my @ret = ("_", "_", "_");
my @pout= ();
my $do_errno = 0;
for(my $i=0; $i<@out; $i++) {
my $p = $out[$i];
my ($name, $type) = parseparam($p);
my $reg = "";
if($name eq "err") {
$reg = "e1";
$ret[2] = $reg;
$do_errno = 1;
} else {
$reg = sprintf("r%d", $i);
$ret[$i] = $reg;
}
if($type eq "bool") {
$reg = "$reg != 0";
}
if($type eq "int64" && $_32bit ne "") {
# 64-bit number in r1:r0 or r0:r1.
if($i+2 > @out) {
print STDERR "$ARGV:$.: not enough registers for int64 return\n";
}
if($_32bit eq "big-endian") {
$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i, $i+1);
} else {
$reg = sprintf("int64(r%d)<<32 | int64(r%d)", $i+1, $i);
}
$ret[$i] = sprintf("r%d", $i);
$ret[$i+1] = sprintf("r%d", $i+1);
}
if($reg ne "e1") {
$body .= "\t$name = $type($reg)\n";
}
}
if ($ret[0] eq "_" && $ret[1] eq "_" && $ret[2] eq "_") {
$text .= "\t$call\n";
} else {
$text .= "\t$ret[0], $ret[1], $ret[2] := $call\n";
}
$text .= $body;
if ($do_errno) {
$text .= "\tif e1 != 0 {\n";
$text .= "\t\terr = e1\n";
$text .= "\t}\n";
}
$text .= "\treturn\n";
$text .= "}\n";
}
if($errors) {
exit 1;
}
print <<EOF;
// $cmdline
// Code generated by the command above; see README.md. DO NOT EDIT.
// +build $tags
package $package
import (
"syscall"
"unsafe"
)
EOF
print "import \"golang.org/x/sys/unix\"\n" if $package ne "unix";
my $vardecls = "\t" . join(",\n\t", @vars);
$vardecls .= " syscallFunc";
chomp($_=<<EOF);
$dynimports
$linknames
var (
$vardecls
)
$text
EOF
print $_;
exit 0;

264
vendor/golang.org/x/sys/unix/mksysctl_openbsd.pl generated vendored Executable file
View File

@ -0,0 +1,264 @@
#!/usr/bin/env perl
# Copyright 2011 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
#
# Parse the header files for OpenBSD and generate a Go usable sysctl MIB.
#
# Build a MIB with each entry being an array containing the level, type and
# a hash that will contain additional entries if the current entry is a node.
# We then walk this MIB and create a flattened sysctl name to OID hash.
#
use strict;
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
my $debug = 0;
my %ctls = ();
my @headers = qw (
sys/sysctl.h
sys/socket.h
sys/tty.h
sys/malloc.h
sys/mount.h
sys/namei.h
sys/sem.h
sys/shm.h
sys/vmmeter.h
uvm/uvm_param.h
uvm/uvm_swap_encrypt.h
ddb/db_var.h
net/if.h
net/if_pfsync.h
net/pipex.h
netinet/in.h
netinet/icmp_var.h
netinet/igmp_var.h
netinet/ip_ah.h
netinet/ip_carp.h
netinet/ip_divert.h
netinet/ip_esp.h
netinet/ip_ether.h
netinet/ip_gre.h
netinet/ip_ipcomp.h
netinet/ip_ipip.h
netinet/pim_var.h
netinet/tcp_var.h
netinet/udp_var.h
netinet6/in6.h
netinet6/ip6_divert.h
netinet6/pim6_var.h
netinet/icmp6.h
netmpls/mpls.h
);
my @ctls = qw (
kern
vm
fs
net
#debug # Special handling required
hw
#machdep # Arch specific
user
ddb
#vfs # Special handling required
fs.posix
kern.forkstat
kern.intrcnt
kern.malloc
kern.nchstats
kern.seminfo
kern.shminfo
kern.timecounter
kern.tty
kern.watchdog
net.bpf
net.ifq
net.inet
net.inet.ah
net.inet.carp
net.inet.divert
net.inet.esp
net.inet.etherip
net.inet.gre
net.inet.icmp
net.inet.igmp
net.inet.ip
net.inet.ip.ifq
net.inet.ipcomp
net.inet.ipip
net.inet.mobileip
net.inet.pfsync
net.inet.pim
net.inet.tcp
net.inet.udp
net.inet6
net.inet6.divert
net.inet6.ip6
net.inet6.icmp6
net.inet6.pim6
net.inet6.tcp6
net.inet6.udp6
net.mpls
net.mpls.ifq
net.key
net.pflow
net.pfsync
net.pipex
net.rt
vm.swapencrypt
#vfsgenctl # Special handling required
);
# Node name "fixups"
my %ctl_map = (
"ipproto" => "net.inet",
"net.inet.ipproto" => "net.inet",
"net.inet6.ipv6proto" => "net.inet6",
"net.inet6.ipv6" => "net.inet6.ip6",
"net.inet.icmpv6" => "net.inet6.icmp6",
"net.inet6.divert6" => "net.inet6.divert",
"net.inet6.tcp6" => "net.inet.tcp",
"net.inet6.udp6" => "net.inet.udp",
"mpls" => "net.mpls",
"swpenc" => "vm.swapencrypt"
);
# Node mappings
my %node_map = (
"net.inet.ip.ifq" => "net.ifq",
"net.inet.pfsync" => "net.pfsync",
"net.mpls.ifq" => "net.ifq"
);
my $ctlname;
my %mib = ();
my %sysctl = ();
my $node;
sub debug() {
print STDERR "$_[0]\n" if $debug;
}
# Walk the MIB and build a sysctl name to OID mapping.
sub build_sysctl() {
my ($node, $name, $oid) = @_;
my %node = %{$node};
my @oid = @{$oid};
foreach my $key (sort keys %node) {
my @node = @{$node{$key}};
my $nodename = $name.($name ne '' ? '.' : '').$key;
my @nodeoid = (@oid, $node[0]);
if ($node[1] eq 'CTLTYPE_NODE') {
if (exists $node_map{$nodename}) {
$node = \%mib;
$ctlname = $node_map{$nodename};
foreach my $part (split /\./, $ctlname) {
$node = \%{@{$$node{$part}}[2]};
}
} else {
$node = $node[2];
}
&build_sysctl($node, $nodename, \@nodeoid);
} elsif ($node[1] ne '') {
$sysctl{$nodename} = \@nodeoid;
}
}
}
foreach my $ctl (@ctls) {
$ctls{$ctl} = $ctl;
}
# Build MIB
foreach my $header (@headers) {
&debug("Processing $header...");
open HEADER, "/usr/include/$header" ||
print STDERR "Failed to open $header\n";
while (<HEADER>) {
if ($_ =~ /^#define\s+(CTL_NAMES)\s+{/ ||
$_ =~ /^#define\s+(CTL_(.*)_NAMES)\s+{/ ||
$_ =~ /^#define\s+((.*)CTL_NAMES)\s+{/) {
if ($1 eq 'CTL_NAMES') {
# Top level.
$node = \%mib;
} else {
# Node.
my $nodename = lc($2);
if ($header =~ /^netinet\//) {
$ctlname = "net.inet.$nodename";
} elsif ($header =~ /^netinet6\//) {
$ctlname = "net.inet6.$nodename";
} elsif ($header =~ /^net\//) {
$ctlname = "net.$nodename";
} else {
$ctlname = "$nodename";
$ctlname =~ s/^(fs|net|kern)_/$1\./;
}
if (exists $ctl_map{$ctlname}) {
$ctlname = $ctl_map{$ctlname};
}
if (not exists $ctls{$ctlname}) {
&debug("Ignoring $ctlname...");
next;
}
# Walk down from the top of the MIB.
$node = \%mib;
foreach my $part (split /\./, $ctlname) {
if (not exists $$node{$part}) {
&debug("Missing node $part");
$$node{$part} = [ 0, '', {} ];
}
$node = \%{@{$$node{$part}}[2]};
}
}
# Populate current node with entries.
my $i = -1;
while (defined($_) && $_ !~ /^}/) {
$_ = <HEADER>;
$i++ if $_ =~ /{.*}/;
next if $_ !~ /{\s+"(\w+)",\s+(CTLTYPE_[A-Z]+)\s+}/;
$$node{$1} = [ $i, $2, {} ];
}
}
}
close HEADER;
}
&build_sysctl(\%mib, "", []);
print <<EOF;
// mksysctl_openbsd.pl
// Code generated by the command above; DO NOT EDIT.
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix;
type mibentry struct {
ctlname string
ctloid []_C_int
}
var sysctlMib = []mibentry {
EOF
foreach my $name (sort keys %sysctl) {
my @oid = @{$sysctl{$name}};
print "\t{ \"$name\", []_C_int{ ", join(', ', @oid), " } }, \n";
}
print <<EOF;
}
EOF

39
vendor/golang.org/x/sys/unix/mksysnum_darwin.pl generated vendored Executable file
View File

@ -0,0 +1,39 @@
#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
#
# Generate system call table for Darwin from sys/syscall.h
use strict;
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
my $command = "mksysnum_darwin.pl " . join(' ', @ARGV);
print <<EOF;
// $command
// Code generated by the command above; see README.md. DO NOT EDIT.
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix
const (
EOF
while(<>){
if(/^#define\s+SYS_(\w+)\s+([0-9]+)/){
my $name = $1;
my $num = $2;
$name =~ y/a-z/A-Z/;
print " SYS_$name = $num;"
}
}
print <<EOF;
)
EOF

50
vendor/golang.org/x/sys/unix/mksysnum_dragonfly.pl generated vendored Executable file
View File

@ -0,0 +1,50 @@
#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
#
# Generate system call table for DragonFly from master list
# (for example, /usr/src/sys/kern/syscalls.master).
use strict;
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
my $command = "mksysnum_dragonfly.pl " . join(' ', @ARGV);
print <<EOF;
// $command
// Code generated by the command above; see README.md. DO NOT EDIT.
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix
const (
EOF
while(<>){
if(/^([0-9]+)\s+STD\s+({ \S+\s+(\w+).*)$/){
my $num = $1;
my $proto = $2;
my $name = "SYS_$3";
$name =~ y/a-z/A-Z/;
# There are multiple entries for enosys and nosys, so comment them out.
if($name =~ /^SYS_E?NOSYS$/){
$name = "// $name";
}
if($name eq 'SYS_SYS_EXIT'){
$name = 'SYS_EXIT';
}
print " $name = $num; // $proto\n";
}
}
print <<EOF;
)
EOF

50
vendor/golang.org/x/sys/unix/mksysnum_freebsd.pl generated vendored Executable file
View File

@ -0,0 +1,50 @@
#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
#
# Generate system call table for FreeBSD from master list
# (for example, /usr/src/sys/kern/syscalls.master).
use strict;
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
my $command = "mksysnum_freebsd.pl " . join(' ', @ARGV);
print <<EOF;
// $command
// Code generated by the command above; see README.md. DO NOT EDIT.
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix
const (
EOF
while(<>){
if(/^([0-9]+)\s+\S+\s+(?:NO)?STD\s+({ \S+\s+(\w+).*)$/){
my $num = $1;
my $proto = $2;
my $name = "SYS_$3";
$name =~ y/a-z/A-Z/;
# There are multiple entries for enosys and nosys, so comment them out.
if($name =~ /^SYS_E?NOSYS$/){
$name = "// $name";
}
if($name eq 'SYS_SYS_EXIT'){
$name = 'SYS_EXIT';
}
print " $name = $num; // $proto\n";
}
}
print <<EOF;
)
EOF

58
vendor/golang.org/x/sys/unix/mksysnum_netbsd.pl generated vendored Executable file
View File

@ -0,0 +1,58 @@
#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
#
# Generate system call table for OpenBSD from master list
# (for example, /usr/src/sys/kern/syscalls.master).
use strict;
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
my $command = "mksysnum_netbsd.pl " . join(' ', @ARGV);
print <<EOF;
// $command
// Code generated by the command above; see README.md. DO NOT EDIT.
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix
const (
EOF
my $line = '';
while(<>){
if($line =~ /^(.*)\\$/) {
# Handle continuation
$line = $1;
$_ =~ s/^\s+//;
$line .= $_;
} else {
# New line
$line = $_;
}
next if $line =~ /\\$/;
if($line =~ /^([0-9]+)\s+((STD)|(NOERR))\s+(RUMP\s+)?({\s+\S+\s*\*?\s*\|(\S+)\|(\S*)\|(\w+).*\s+})(\s+(\S+))?$/) {
my $num = $1;
my $proto = $6;
my $compat = $8;
my $name = "$7_$9";
$name = "$7_$11" if $11 ne '';
$name =~ y/a-z/A-Z/;
if($compat eq '' || $compat eq '13' || $compat eq '30' || $compat eq '50') {
print " $name = $num; // $proto\n";
}
}
}
print <<EOF;
)
EOF

50
vendor/golang.org/x/sys/unix/mksysnum_openbsd.pl generated vendored Executable file
View File

@ -0,0 +1,50 @@
#!/usr/bin/env perl
# Copyright 2009 The Go Authors. All rights reserved.
# Use of this source code is governed by a BSD-style
# license that can be found in the LICENSE file.
#
# Generate system call table for OpenBSD from master list
# (for example, /usr/src/sys/kern/syscalls.master).
use strict;
if($ENV{'GOARCH'} eq "" || $ENV{'GOOS'} eq "") {
print STDERR "GOARCH or GOOS not defined in environment\n";
exit 1;
}
my $command = "mksysnum_openbsd.pl " . join(' ', @ARGV);
print <<EOF;
// $command
// Code generated by the command above; see README.md. DO NOT EDIT.
// +build $ENV{'GOARCH'},$ENV{'GOOS'}
package unix
const (
EOF
while(<>){
if(/^([0-9]+)\s+STD\s+(NOLOCK\s+)?({ \S+\s+\*?(\w+).*)$/){
my $num = $1;
my $proto = $3;
my $name = $4;
$name =~ y/a-z/A-Z/;
# There are multiple entries for enosys and nosys, so comment them out.
if($name =~ /^SYS_E?NOSYS$/){
$name = "// $name";
}
if($name eq 'SYS_SYS_EXIT'){
$name = 'SYS_EXIT';
}
print " $name = $num; // $proto\n";
}
}
print <<EOF;
)
EOF

95
vendor/golang.org/x/sys/unix/openbsd_pledge.go generated vendored Normal file
View File

@ -0,0 +1,95 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build openbsd
// +build 386 amd64 arm
package unix
import (
"errors"
"fmt"
"strconv"
"syscall"
"unsafe"
)
const (
_SYS_PLEDGE = 108
)
// Pledge implements the pledge syscall.
//
// The pledge syscall does not accept execpromises on OpenBSD releases
// before 6.3.
//
// execpromises must be empty when Pledge is called on OpenBSD
// releases predating 6.3, otherwise an error will be returned.
//
// For more information see pledge(2).
func Pledge(promises, execpromises string) error {
maj, min, err := majmin()
if err != nil {
return err
}
// If OpenBSD <= 5.9, pledge is not available.
if (maj == 5 && min != 9) || maj < 5 {
return fmt.Errorf("pledge syscall is not available on OpenBSD %d.%d", maj, min)
}
// If OpenBSD <= 6.2 and execpromises is not empty
// return an error - execpromises is not available before 6.3
if (maj < 6 || (maj == 6 && min <= 2)) && execpromises != "" {
return fmt.Errorf("cannot use execpromises on OpenBSD %d.%d", maj, min)
}
pptr, err := syscall.BytePtrFromString(promises)
if err != nil {
return err
}
// This variable will hold either a nil unsafe.Pointer or
// an unsafe.Pointer to a string (execpromises).
var expr unsafe.Pointer
// If we're running on OpenBSD > 6.2, pass execpromises to the syscall.
if maj > 6 || (maj == 6 && min > 2) {
exptr, err := syscall.BytePtrFromString(execpromises)
if err != nil {
return err
}
expr = unsafe.Pointer(exptr)
}
_, _, e := syscall.Syscall(_SYS_PLEDGE, uintptr(unsafe.Pointer(pptr)), uintptr(expr), 0)
if e != 0 {
return e
}
return nil
}
// majmin returns major and minor version number for an OpenBSD system.
func majmin() (major int, minor int, err error) {
var v Utsname
err = Uname(&v)
if err != nil {
return
}
major, err = strconv.Atoi(string(v.Release[0]))
if err != nil {
err = errors.New("cannot parse major version number returned by uname")
return
}
minor, err = strconv.Atoi(string(v.Release[2]))
if err != nil {
err = errors.New("cannot parse minor version number returned by uname")
return
}
return
}

15
vendor/golang.org/x/sys/unix/pagesize_unix.go generated vendored Normal file
View File

@ -0,0 +1,15 @@
// Copyright 2017 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin dragonfly freebsd linux netbsd openbsd solaris
// For Unix, get the pagesize from the runtime.
package unix
import "syscall"
func Getpagesize() int {
return syscall.Getpagesize()
}

30
vendor/golang.org/x/sys/unix/race.go generated vendored Normal file
View File

@ -0,0 +1,30 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin,race linux,race freebsd,race
package unix
import (
"runtime"
"unsafe"
)
const raceenabled = true
func raceAcquire(addr unsafe.Pointer) {
runtime.RaceAcquire(addr)
}
func raceReleaseMerge(addr unsafe.Pointer) {
runtime.RaceReleaseMerge(addr)
}
func raceReadRange(addr unsafe.Pointer, len int) {
runtime.RaceReadRange(addr, len)
}
func raceWriteRange(addr unsafe.Pointer, len int) {
runtime.RaceWriteRange(addr, len)
}

25
vendor/golang.org/x/sys/unix/race0.go generated vendored Normal file
View File

@ -0,0 +1,25 @@
// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build darwin,!race linux,!race freebsd,!race netbsd openbsd solaris dragonfly
package unix
import (
"unsafe"
)
const raceenabled = false
func raceAcquire(addr unsafe.Pointer) {
}
func raceReleaseMerge(addr unsafe.Pointer) {
}
func raceReadRange(addr unsafe.Pointer, len int) {
}
func raceWriteRange(addr unsafe.Pointer, len int) {
}

Some files were not shown because too many files have changed in this diff Show More