Editando: sys_openbsd3.go
// 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 package runtime import ( "internal/abi" "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(abi.FuncPCABI0(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(abi.FuncPCABI0(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(abi.FuncPCABI0(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(abi.FuncPCABI0(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(abi.FuncPCABI0(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(abi.FuncPCABI0(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(abi.FuncPCABI0(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(abi.FuncPCABI0(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(abi.FuncPCABI0(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(abi.FuncPCABI0(syscall10X)), unsafe.Pointer(&fn)) return }
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