| // 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. |
| |
| // +build gccgo |
| // +build !aix |
| |
| #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); |
| } |