1// Copyright 2015 The Go Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style
3// license that can be found in the LICENSE file.
4
5//go:build gccgo && !aix && !hurd
6
7#include <errno.h>
8#include <stdint.h>
9#include <unistd.h>
10
11#define _STRINGIFY2_(x) #x
12#define _STRINGIFY_(x) _STRINGIFY2_(x)
13#define GOSYM_PREFIX _STRINGIFY_(__USER_LABEL_PREFIX__)
14
15// Call syscall from C code because the gccgo support for calling from
16// Go to C does not support varargs functions.
17
18struct ret {
19 uintptr_t r;
20 uintptr_t err;
21};
22
23struct 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)
24 __asm__(GOSYM_PREFIX GOPKGPATH ".realSyscall");
25
26struct ret
27gccgoRealSyscall(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)
28{
29 struct ret r;
30
31 errno = 0;
32 r.r = syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
33 r.err = errno;
34 return r;
35}
36
37uintptr_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)
38 __asm__(GOSYM_PREFIX GOPKGPATH ".realSyscallNoError");
39
40uintptr_t
41gccgoRealSyscallNoError(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)
42{
43 return syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
44}
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