// 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. //go:build gccgo && !aix && !hurd #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) __asm__(GOSYM_PREFIX GOPKGPATH ".realSyscall"); 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) __asm__(GOSYM_PREFIX GOPKGPATH ".realSyscallNoError"); 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); }