| // Copyright 2020 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. |
| |
| //go:build openbsd && !mips64 |
| // +build openbsd,!mips64 |
| |
| package runtime |
| |
| import "unsafe" |
| |
| // The X versions of syscall expect the libc call to return a 64-bit result. |
| // Otherwise (the non-X version) expects a 32-bit result. |
| // This distinction is required because an error is indicated by returning -1, |
| // and we need to know whether to check 32 or 64 bits of the result. |
| // (Some libc functions that return 32 bits put junk in the upper 32 bits of AX.) |
| |
| //go:linkname syscall_syscall syscall.syscall |
| //go:nosplit |
| //go:cgo_unsafe_args |
| func syscall_syscall(fn, a1, a2, a3 uintptr) (r1, r2, err uintptr) { |
| entersyscall() |
| libcCall(unsafe.Pointer(funcPC(syscall)), unsafe.Pointer(&fn)) |
| exitsyscall() |
| return |
| } |
| func syscall() |
| |
| //go:linkname syscall_syscallX syscall.syscallX |
| //go:nosplit |
| //go:cgo_unsafe_args |
| func syscall_syscallX(fn, a1, a2, a3 uintptr) (r1, r2, err uintptr) { |
| entersyscall() |
| libcCall(unsafe.Pointer(funcPC(syscallX)), unsafe.Pointer(&fn)) |
| exitsyscall() |
| return |
| } |
| func syscallX() |
| |
| //go:linkname syscall_syscall6 syscall.syscall6 |
| //go:nosplit |
| //go:cgo_unsafe_args |
| func syscall_syscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) { |
| entersyscall() |
| libcCall(unsafe.Pointer(funcPC(syscall6)), unsafe.Pointer(&fn)) |
| exitsyscall() |
| return |
| } |
| func syscall6() |
| |
| //go:linkname syscall_syscall6X syscall.syscall6X |
| //go:nosplit |
| //go:cgo_unsafe_args |
| func syscall_syscall6X(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) { |
| entersyscall() |
| libcCall(unsafe.Pointer(funcPC(syscall6X)), unsafe.Pointer(&fn)) |
| exitsyscall() |
| return |
| } |
| func syscall6X() |
| |
| //go:linkname syscall_syscall10 syscall.syscall10 |
| //go:nosplit |
| //go:cgo_unsafe_args |
| func syscall_syscall10(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10 uintptr) (r1, r2, err uintptr) { |
| entersyscall() |
| libcCall(unsafe.Pointer(funcPC(syscall10)), unsafe.Pointer(&fn)) |
| exitsyscall() |
| return |
| } |
| func syscall10() |
| |
| //go:linkname syscall_syscall10X syscall.syscall10X |
| //go:nosplit |
| //go:cgo_unsafe_args |
| func syscall_syscall10X(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10 uintptr) (r1, r2, err uintptr) { |
| entersyscall() |
| libcCall(unsafe.Pointer(funcPC(syscall10X)), unsafe.Pointer(&fn)) |
| exitsyscall() |
| return |
| } |
| func syscall10X() |
| |
| //go:linkname syscall_rawSyscall syscall.rawSyscall |
| //go:nosplit |
| //go:cgo_unsafe_args |
| func syscall_rawSyscall(fn, a1, a2, a3 uintptr) (r1, r2, err uintptr) { |
| libcCall(unsafe.Pointer(funcPC(syscall)), unsafe.Pointer(&fn)) |
| return |
| } |
| |
| //go:linkname syscall_rawSyscall6 syscall.rawSyscall6 |
| //go:nosplit |
| //go:cgo_unsafe_args |
| func syscall_rawSyscall6(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) { |
| libcCall(unsafe.Pointer(funcPC(syscall6)), unsafe.Pointer(&fn)) |
| return |
| } |
| |
| //go:linkname syscall_rawSyscall6X syscall.rawSyscall6X |
| //go:nosplit |
| //go:cgo_unsafe_args |
| func syscall_rawSyscall6X(fn, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2, err uintptr) { |
| libcCall(unsafe.Pointer(funcPC(syscall6X)), unsafe.Pointer(&fn)) |
| return |
| } |
| |
| //go:linkname syscall_rawSyscall10X syscall.rawSyscall10X |
| //go:nosplit |
| //go:cgo_unsafe_args |
| func syscall_rawSyscall10X(fn, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10 uintptr) (r1, r2, err uintptr) { |
| libcCall(unsafe.Pointer(funcPC(syscall10X)), unsafe.Pointer(&fn)) |
| return |
| } |