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drwxr-xr-x
asm9_unix1_amd64.s
1.02
KB
-rw-r--r--
asm9_unix2_amd64.s
1.2
KB
-rw-r--r--
asm_aix_ppc64.s
540
B
-rw-r--r--
asm_darwin_386.s
2.5
KB
-rw-r--r--
asm_darwin_amd64.s
2.82
KB
-rw-r--r--
asm_darwin_arm.s
2.81
KB
-rw-r--r--
asm_darwin_arm64.s
2.71
KB
-rw-r--r--
asm_freebsd_arm.s
2.96
KB
-rw-r--r--
asm_freebsd_arm64.s
2.68
KB
-rw-r--r--
asm_linux_386.s
4.67
KB
-rw-r--r--
asm_linux_amd64.s
3.21
KB
-rw-r--r--
asm_linux_arm.s
3.63
KB
-rw-r--r--
asm_linux_arm64.s
2.73
KB
-rw-r--r--
asm_linux_mips64x.s
2.28
KB
-rw-r--r--
asm_linux_mipsx.s
3.28
KB
-rw-r--r--
asm_linux_ppc64x.s
2.66
KB
-rw-r--r--
asm_linux_riscv64.s
2.46
KB
-rw-r--r--
asm_linux_s390x.s
4.19
KB
-rw-r--r--
asm_netbsd_arm.s
2.85
KB
-rw-r--r--
asm_netbsd_arm64.s
2.77
KB
-rw-r--r--
asm_openbsd_arm.s
3.22
KB
-rw-r--r--
asm_openbsd_arm64.s
2.49
KB
-rw-r--r--
asm_plan9_386.s
3.14
KB
-rw-r--r--
asm_plan9_amd64.s
3.06
KB
-rw-r--r--
asm_plan9_arm.s
3.25
KB
-rw-r--r--
asm_solaris_amd64.s
1.79
KB
-rw-r--r--
asm_unix_386.s
2.74
KB
-rw-r--r--
asm_unix_amd64.s
2.08
KB
-rw-r--r--
asm_windows.s
384
B
-rw-r--r--
bpf_bsd.go
4.61
KB
-rw-r--r--
bpf_darwin.go
3.97
KB
-rw-r--r--
const_plan9.go
1.2
KB
-rw-r--r--
creds_test.go
3.26
KB
-rw-r--r--
dir_plan9.go
5.62
KB
-rw-r--r--
dirent.go
3
KB
-rw-r--r--
dirent_test.go
3.28
KB
-rw-r--r--
dll_windows.go
9.72
KB
-rw-r--r--
endian_big.go
239
B
-rw-r--r--
endian_little.go
273
B
-rw-r--r--
env_plan9.go
2.15
KB
-rw-r--r--
env_unix.go
2.77
KB
-rw-r--r--
env_windows.go
1.75
KB
-rw-r--r--
errors_plan9.go
1.61
KB
-rw-r--r--
exec_aix_test.go
816
B
-rw-r--r--
exec_bsd.go
6.36
KB
-rw-r--r--
exec_darwin.go
6.76
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-rw-r--r--
exec_libc.go
6.96
KB
-rw-r--r--
exec_linux.go
18.34
KB
-rw-r--r--
exec_linux_test.go
18.81
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-rw-r--r--
exec_plan9.go
13.19
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exec_solaris_test.go
808
B
-rw-r--r--
exec_unix.go
8.13
KB
-rw-r--r--
exec_unix_test.go
3.89
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-rw-r--r--
exec_windows.go
7.64
KB
-rw-r--r--
export_freebsd_test.go
304
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-rw-r--r--
export_linux_test.go
252
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-rw-r--r--
export_test.go
193
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-rw-r--r--
export_unix_test.go
341
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-rw-r--r--
flock.go
691
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-rw-r--r--
flock_aix.go
564
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-rw-r--r--
flock_darwin.go
405
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-rw-r--r--
flock_linux_32bit.go
481
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-rw-r--r--
forkpipe.go
501
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-rw-r--r--
forkpipe2.go
276
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-rw-r--r--
fs_js.go
10.46
KB
-rw-r--r--
getdirentries_test.go
2.18
KB
-rw-r--r--
lsf_linux.go
2.12
KB
-rw-r--r--
mkall.sh
12.49
KB
-rwxr-xr-x
mkasm_darwin.go
1.66
KB
-rw-r--r--
mkerrors.sh
10.65
KB
-rwxr-xr-x
mkpost.go
1.99
KB
-rw-r--r--
mksyscall.pl
9.52
KB
-rwxr-xr-x
mksyscall_libc.pl
7.8
KB
-rwxr-xr-x
mksyscall_windows.go
707
B
-rw-r--r--
mksysctl_openbsd.pl
5.04
KB
-rwxr-xr-x
mksysnum_darwin.pl
578
B
-rwxr-xr-x
mksysnum_dragonfly.pl
866
B
-rwxr-xr-x
mksysnum_freebsd.pl
1.35
KB
-rwxr-xr-x
mksysnum_linux.pl
1.26
KB
-rwxr-xr-x
mksysnum_netbsd.pl
1.01
KB
-rwxr-xr-x
mksysnum_openbsd.pl
871
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-rwxr-xr-x
mksysnum_plan9.sh
459
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-rwxr-xr-x
mmap_unix_test.go
544
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-rw-r--r--
msan.go
409
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-rw-r--r--
msan0.go
341
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-rw-r--r--
net.go
1.19
KB
-rw-r--r--
net_js.go
2.11
KB
-rw-r--r--
netlink_linux.go
4.67
KB
-rw-r--r--
pwd_plan9.go
1.55
KB
-rw-r--r--
route_bsd.go
9.09
KB
-rw-r--r--
route_darwin.go
2.01
KB
-rw-r--r--
route_dragonfly.go
2.61
KB
-rw-r--r--
route_freebsd.go
2.67
KB
-rw-r--r--
route_freebsd_32bit.go
1.29
KB
-rw-r--r--
route_freebsd_64bit.go
724
B
-rw-r--r--
route_netbsd.go
1.43
KB
-rw-r--r--
route_openbsd.go
1.46
KB
-rw-r--r--
security_windows.go
10.12
KB
-rw-r--r--
setuidgid_32_linux.go
306
B
-rw-r--r--
setuidgid_linux.go
302
B
-rw-r--r--
sock_cloexec_linux.go
632
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-rw-r--r--
sockcmsg_dragonfly.go
547
B
-rw-r--r--
sockcmsg_linux.go
1.12
KB
-rw-r--r--
sockcmsg_unix.go
2.56
KB
-rw-r--r--
sockcmsg_unix_other.go
957
B
-rw-r--r--
str.go
549
B
-rw-r--r--
syscall.go
3.72
KB
-rw-r--r--
syscall_aix.go
17.83
KB
-rw-r--r--
syscall_aix_ppc64.go
405
B
-rw-r--r--
syscall_bsd.go
14.07
KB
-rw-r--r--
syscall_bsd_test.go
1.16
KB
-rw-r--r--
syscall_darwin.go
14.26
KB
-rw-r--r--
syscall_darwin_386.go
2
KB
-rw-r--r--
syscall_darwin_amd64.go
1.92
KB
-rw-r--r--
syscall_darwin_arm.go
2.03
KB
-rw-r--r--
syscall_darwin_arm64.go
1.98
KB
-rw-r--r--
syscall_dragonfly.go
7.98
KB
-rw-r--r--
syscall_dragonfly_amd64.go
1.12
KB
-rw-r--r--
syscall_freebsd.go
15.82
KB
-rw-r--r--
syscall_freebsd_386.go
1.17
KB
-rw-r--r--
syscall_freebsd_amd64.go
1.12
KB
-rw-r--r--
syscall_freebsd_arm.go
1.16
KB
-rw-r--r--
syscall_freebsd_arm64.go
1.12
KB
-rw-r--r--
syscall_freebsd_test.go
1.35
KB
-rw-r--r--
syscall_getwd_bsd.go
453
B
-rw-r--r--
syscall_js.go
6.59
KB
-rw-r--r--
syscall_linux.go
26.05
KB
-rw-r--r--
syscall_linux_386.go
10.91
KB
-rw-r--r--
syscall_linux_amd64.go
5.39
KB
-rw-r--r--
syscall_linux_arm.go
7.47
KB
-rw-r--r--
syscall_linux_arm64.go
6.24
KB
-rw-r--r--
syscall_linux_mips64x.go
6.58
KB
-rw-r--r--
syscall_linux_mipsx.go
7.03
KB
-rw-r--r--
syscall_linux_ppc64x.go
5.21
KB
-rw-r--r--
syscall_linux_riscv64.go
6.4
KB
-rw-r--r--
syscall_linux_s390x.go
8.64
KB
-rw-r--r--
syscall_linux_test.go
10.61
KB
-rw-r--r--
syscall_netbsd.go
7.59
KB
-rw-r--r--
syscall_netbsd_386.go
716
B
-rw-r--r--
syscall_netbsd_amd64.go
709
B
-rw-r--r--
syscall_netbsd_arm.go
716
B
-rw-r--r--
syscall_netbsd_arm64.go
709
B
-rw-r--r--
syscall_openbsd.go
7.06
KB
-rw-r--r--
syscall_openbsd_386.go
715
B
-rw-r--r--
syscall_openbsd_amd64.go
701
B
-rw-r--r--
syscall_openbsd_arm.go
715
B
-rw-r--r--
syscall_openbsd_arm64.go
906
B
-rw-r--r--
syscall_plan9.go
8.94
KB
-rw-r--r--
syscall_plan9_test.go
1.15
KB
-rw-r--r--
syscall_ptrace_test.go
752
B
-rw-r--r--
syscall_solaris.go
15.07
KB
-rw-r--r--
syscall_solaris_amd64.go
487
B
-rw-r--r--
syscall_test.go
1.7
KB
-rw-r--r--
syscall_unix.go
8.3
KB
-rw-r--r--
syscall_unix_test.go
10.61
KB
-rw-r--r--
syscall_windows.go
42.54
KB
-rw-r--r--
syscall_windows_386.go
176
B
-rw-r--r--
syscall_windows_amd64.go
176
B
-rw-r--r--
syscall_windows_test.go
1.8
KB
-rw-r--r--
tables_js.go
19.17
KB
-rw-r--r--
time_fake.go
676
B
-rw-r--r--
time_nofake.go
350
B
-rw-r--r--
timestruct.go
1.13
KB
-rw-r--r--
types_aix.go
3.35
KB
-rw-r--r--
types_darwin.go
4.98
KB
-rw-r--r--
types_dragonfly.go
5.04
KB
-rw-r--r--
types_freebsd.go
6.96
KB
-rw-r--r--
types_linux.go
10.68
KB
-rw-r--r--
types_netbsd.go
4.77
KB
-rw-r--r--
types_openbsd.go
5.04
KB
-rw-r--r--
types_solaris.go
4.88
KB
-rw-r--r--
types_windows.go
26.96
KB
-rw-r--r--
types_windows_386.go
477
B
-rw-r--r--
types_windows_amd64.go
477
B
-rw-r--r--
types_windows_arm.go
477
B
-rw-r--r--
zerrors_aix_ppc64.go
47.16
KB
-rw-r--r--
zerrors_darwin_386.go
55.27
KB
-rw-r--r--
zerrors_darwin_amd64.go
55.27
KB
-rw-r--r--
zerrors_darwin_arm.go
46.08
KB
-rw-r--r--
zerrors_darwin_arm64.go
55.78
KB
-rw-r--r--
zerrors_dragonfly_amd64.go
59.49
KB
-rw-r--r--
zerrors_freebsd_386.go
67.35
KB
-rw-r--r--
zerrors_freebsd_amd64.go
67.4
KB
-rw-r--r--
zerrors_freebsd_arm.go
67.34
KB
-rw-r--r--
zerrors_freebsd_arm64.go
67.41
KB
-rw-r--r--
zerrors_linux_386.go
58.31
KB
-rw-r--r--
zerrors_linux_amd64.go
58.35
KB
-rw-r--r--
zerrors_linux_arm.go
58.83
KB
-rw-r--r--
zerrors_linux_arm64.go
69.52
KB
-rw-r--r--
zerrors_linux_mips.go
70.14
KB
-rw-r--r--
zerrors_linux_mips64.go
69.46
KB
-rw-r--r--
zerrors_linux_mips64le.go
69.46
KB
-rw-r--r--
zerrors_linux_mipsle.go
70.14
KB
-rw-r--r--
zerrors_linux_ppc64.go
71.84
KB
-rw-r--r--
zerrors_linux_ppc64le.go
72.8
KB
-rw-r--r--
zerrors_linux_riscv64.go
71.76
KB
-rw-r--r--
zerrors_linux_s390x.go
74.28
KB
-rw-r--r--
zerrors_netbsd_386.go
67.43
KB
-rw-r--r--
zerrors_netbsd_amd64.go
67.02
KB
-rw-r--r--
zerrors_netbsd_arm.go
66.45
KB
-rw-r--r--
zerrors_netbsd_arm64.go
67.02
KB
-rw-r--r--
zerrors_openbsd_386.go
62.47
KB
-rw-r--r--
zerrors_openbsd_amd64.go
62.43
KB
-rw-r--r--
zerrors_openbsd_arm.go
62.46
KB
-rw-r--r--
zerrors_openbsd_arm64.go
66.36
KB
-rw-r--r--
zerrors_solaris_amd64.go
50.71
KB
-rw-r--r--
zerrors_windows.go
9.97
KB
-rw-r--r--
zerrors_windows_386.go
176
B
-rw-r--r--
zerrors_windows_amd64.go
176
B
-rw-r--r--
zsyscall_aix_ppc64.go
40.02
KB
-rw-r--r--
zsyscall_darwin_386.go
53.97
KB
-rw-r--r--
zsyscall_darwin_386.s
8.65
KB
-rw-r--r--
zsyscall_darwin_amd64.go
53.83
KB
-rw-r--r--
zsyscall_darwin_amd64.s
8.65
KB
-rw-r--r--
zsyscall_darwin_arm.go
53.44
KB
-rw-r--r--
zsyscall_darwin_arm.s
8.56
KB
-rw-r--r--
zsyscall_darwin_arm64.go
53.3
KB
-rw-r--r--
zsyscall_darwin_arm64.s
8.56
KB
-rw-r--r--
zsyscall_dragonfly_amd64.go
30.9
KB
-rw-r--r--
zsyscall_freebsd_386.go
33.55
KB
-rw-r--r--
zsyscall_freebsd_amd64.go
33.41
KB
-rw-r--r--
zsyscall_freebsd_arm.go
33.58
KB
-rw-r--r--
zsyscall_freebsd_arm64.go
33.41
KB
-rw-r--r--
zsyscall_linux_386.go
35.54
KB
-rw-r--r--
zsyscall_linux_amd64.go
40.66
KB
-rw-r--r--
zsyscall_linux_arm.go
39.77
KB
-rw-r--r--
zsyscall_linux_arm64.go
38.92
KB
-rw-r--r--
zsyscall_linux_mips.go
41.52
KB
-rw-r--r--
zsyscall_linux_mips64.go
41.3
KB
-rw-r--r--
zsyscall_linux_mips64le.go
41.3
KB
-rw-r--r--
zsyscall_linux_mipsle.go
41.52
KB
-rw-r--r--
zsyscall_linux_ppc64.go
41.94
KB
-rw-r--r--
zsyscall_linux_ppc64le.go
41.94
KB
-rw-r--r--
zsyscall_linux_riscv64.go
38.95
KB
-rw-r--r--
zsyscall_linux_s390x.go
35.94
KB
-rw-r--r--
zsyscall_netbsd_386.go
29.62
KB
-rw-r--r--
zsyscall_netbsd_amd64.go
29.48
KB
-rw-r--r--
zsyscall_netbsd_arm.go
29.63
KB
-rw-r--r--
zsyscall_netbsd_arm64.go
29.48
KB
-rw-r--r--
zsyscall_openbsd_386.go
30.46
KB
-rw-r--r--
zsyscall_openbsd_amd64.go
30.32
KB
-rw-r--r--
zsyscall_openbsd_arm.go
30.47
KB
-rw-r--r--
zsyscall_openbsd_arm64.go
30.32
KB
-rw-r--r--
zsyscall_plan9_386.go
6.17
KB
-rw-r--r--
zsyscall_plan9_amd64.go
6.17
KB
-rw-r--r--
zsyscall_plan9_arm.go
6.17
KB
-rw-r--r--
zsyscall_solaris_amd64.go
35.79
KB
-rw-r--r--
zsyscall_windows.go
60.53
KB
-rw-r--r--
zsysctl_openbsd.go
11.71
KB
-rw-r--r--
zsysnum_darwin_386.go
14.55
KB
-rw-r--r--
zsysnum_darwin_amd64.go
14.55
KB
-rw-r--r--
zsysnum_darwin_arm.go
12.28
KB
-rw-r--r--
zsysnum_darwin_arm64.go
14.38
KB
-rw-r--r--
zsysnum_dragonfly_amd64.go
22.72
KB
-rw-r--r--
zsysnum_freebsd_386.go
25.65
KB
-rw-r--r--
zsysnum_freebsd_amd64.go
25.65
KB
-rw-r--r--
zsysnum_freebsd_arm.go
25.65
KB
-rw-r--r--
zsysnum_freebsd_arm64.go
36.09
KB
-rw-r--r--
zsysnum_linux_386.go
11.26
KB
-rw-r--r--
zsysnum_linux_amd64.go
10.1
KB
-rw-r--r--
zsysnum_linux_arm.go
11.55
KB
-rw-r--r--
zsysnum_linux_arm64.go
8.95
KB
-rw-r--r--
zsysnum_linux_mips.go
12.1
KB
-rw-r--r--
zsysnum_linux_mips64.go
10.93
KB
-rw-r--r--
zsysnum_linux_mips64le.go
10.93
KB
-rw-r--r--
zsysnum_linux_mipsle.go
12.1
KB
-rw-r--r--
zsysnum_linux_ppc64.go
11.46
KB
-rw-r--r--
zsysnum_linux_ppc64le.go
11.49
KB
-rw-r--r--
zsysnum_linux_riscv64.go
8.88
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-rw-r--r--
zsysnum_linux_s390x.go
10.64
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-rw-r--r--
zsysnum_netbsd_386.go
25.54
KB
-rw-r--r--
zsysnum_netbsd_amd64.go
25.55
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-rw-r--r--
zsysnum_netbsd_arm.go
25.54
KB
-rw-r--r--
zsysnum_netbsd_arm64.go
25.55
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-rw-r--r--
zsysnum_openbsd_386.go
14.15
KB
-rw-r--r--
zsysnum_openbsd_amd64.go
14.15
KB
-rw-r--r--
zsysnum_openbsd_arm.go
14.46
KB
-rw-r--r--
zsysnum_openbsd_arm64.go
14.72
KB
-rw-r--r--
zsysnum_plan9.go
1.03
KB
-rw-r--r--
zsysnum_solaris_amd64.go
289
B
-rw-r--r--
zsysnum_windows_386.go
40
B
-rw-r--r--
zsysnum_windows_amd64.go
40
B
-rw-r--r--
ztypes_aix_ppc64.go
4.17
KB
-rw-r--r--
ztypes_darwin_386.go
6.7
KB
-rw-r--r--
ztypes_darwin_amd64.go
6.92
KB
-rw-r--r--
ztypes_darwin_arm.go
6.77
KB
-rw-r--r--
ztypes_darwin_arm64.go
6.92
KB
-rw-r--r--
ztypes_dragonfly_amd64.go
6.7
KB
-rw-r--r--
ztypes_freebsd_386.go
9
KB
-rw-r--r--
ztypes_freebsd_amd64.go
9
KB
-rw-r--r--
ztypes_freebsd_arm.go
9.01
KB
-rw-r--r--
ztypes_freebsd_arm64.go
9
KB
-rw-r--r--
ztypes_linux_386.go
11.55
KB
-rw-r--r--
ztypes_linux_amd64.go
11.92
KB
-rw-r--r--
ztypes_linux_arm.go
11.44
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ztypes_openbsd_arm64.go
6.66
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ztypes_solaris_amd64.go
5.56
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Code Editor : mksyscall.pl
#!/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 $darwin = 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 "-darwin") { $darwin = 1; shift; } if($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; } 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); } # set of trampolines we've already generated my %trampolines; 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. $text .= "// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT\n\n"; if ($darwin && $func eq "ptrace") { # The ptrace function is called from forkAndExecInChild where stack # growth is forbidden. $text .= "//go:nosplit\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 { $asm = "RawSyscall"; } } if ($darwin) { # Call unexported syscall functions (which take # libc functions instead of syscall numbers). $asm = lcfirst($asm); } 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:$.: too many arguments to system call\n"; } if ($darwin) { # Use extended versions for calls that generate a 64-bit result. my ($name, $type) = parseparam($out[0]); if ($type eq "int64" || ($type eq "uintptr" && $_32bit eq "")) { $asm .= "X"; } } # System call number. my $funcname = ""; if($sysname eq "") { $sysname = "SYS_$func"; $sysname =~ s/([a-z])([A-Z])/${1}_$2/g; # turn FooBar into Foo_Bar $sysname =~ y/a-z/A-Z/; if($darwin) { $sysname =~ y/A-Z/a-z/; $sysname = substr $sysname, 4; $funcname = "libc_$sysname"; } } if($darwin) { if($funcname eq "") { $sysname = substr $sysname, 4; $funcname = "libc_$sysname"; } $sysname = "funcPC(${funcname}_trampoline)"; } # 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"; $text .= "}\n\n"; if($darwin) { if (not exists $trampolines{$funcname}) { $trampolines{$funcname} = 1; # The assembly trampoline that jumps to the libc routine. $text .= "func ${funcname}_trampoline()\n"; # Map syscall.funcname to just plain funcname. # (The jump to this function is in the assembly trampoline, generated by mksyscallasm_darwin.go.) $text .= "//go:linkname $funcname $funcname\n"; # Tell the linker that funcname can be found in libSystem using varname without the libc_ prefix. my $basename = substr $funcname, 5; $text .= "//go:cgo_import_dynamic $funcname $basename \"/usr/lib/libSystem.B.dylib\"\n\n"; } } } chomp $text; chomp $text; if($errors) { exit 1; } print <<EOF; // $cmdline // Code generated by the command above; DO NOT EDIT. // +build $tags package syscall import "unsafe" $text EOF exit 0;
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