mirror of https://go.googlesource.com/go
86 lines
3.7 KiB
Go
86 lines
3.7 KiB
Go
// Copyright 2020 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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//go:build openbsd && !mips64
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package syscall
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import (
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"internal/abi"
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)
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var dupTrampoline = abi.FuncPCABI0(libc_dup3_trampoline)
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func init() {
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execveOpenBSD = execve
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}
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func syscallInternal(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) {
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// OpenBSD 7.5+ no longer supports indirect syscalls. A number of Go
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// packages make use of syscall.Syscall with SYS_IOCTL since it is
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// not well supported by golang.org/x/sys/unix. Reroute this system
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// call number to the respective libc stub so that it continues to
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// work for the time being. See #63900 for further details.
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if trap == SYS_IOCTL {
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return syscallX(abi.FuncPCABI0(libc_ioctl_trampoline), a1, a2, a3)
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}
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return 0, 0, ENOSYS
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}
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func syscall6Internal(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) {
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// OpenBSD 7.5+ no longer supports indirect syscalls. A number of Go
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// packages make use of syscall.Syscall with SYS___SYSCTL since it is
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// not well supported by golang.org/x/sys/unix. Reroute this system
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// call number to the respective libc stub so that it continues to
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// work for the time being. See #63900 for further details.
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if trap == SYS___SYSCTL {
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return syscall6X(abi.FuncPCABI0(libc_sysctl_trampoline), a1, a2, a3, a4, a5, a6)
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}
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return 0, 0, ENOSYS
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}
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func rawSyscallInternal(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) {
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return 0, 0, ENOSYS
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}
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func rawSyscall6Internal(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) {
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return 0, 0, ENOSYS
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}
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func syscall9Internal(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) {
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return 0, 0, ENOSYS
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}
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// Implemented in the runtime package (runtime/sys_openbsd3.go)
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func syscall(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
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func syscallX(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
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func syscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
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func syscall6X(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
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func syscall10(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10 uintptr) (r1, r2 uintptr, err Errno)
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func syscall10X(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10 uintptr) (r1, r2 uintptr, err Errno)
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func rawSyscall(fn, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno)
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func rawSyscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
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func rawSyscall6X(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
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func rawSyscall10X(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10 uintptr) (r1, r2 uintptr, err Errno)
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func syscall9(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) {
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return syscall10(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9, 0)
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}
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func syscall9X(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9 uintptr) (r1, r2 uintptr, err Errno) {
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return syscall10X(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9, 0)
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}
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//sys readlen(fd int, buf *byte, nbuf int) (n int, err error) = SYS_read
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//sys Seek(fd int, offset int64, whence int) (newoffset int64, err error) = SYS_lseek
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//sys getcwd(buf []byte) (n int, err error)
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//sys sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error)
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//sysnb fork() (pid int, err error)
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//sysnb execve(path *byte, argv **byte, envp **byte) (err error)
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//sysnb exit(res int) (err error)
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//sys ptrace(request int, pid int, addr uintptr, data uintptr) (err error)
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//sysnb getentropy(p []byte) (err error)
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//sys fstatat(fd int, path string, stat *Stat_t, flags int) (err error)
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//sys unlinkat(fd int, path string, flags int) (err error)
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//sys openat(fd int, path string, flags int, perm uint32) (fdret int, err error)
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