blob: 2cb1fefac64038132ccdecb84d5cb6be8acdbed0 [file] [log] [blame]
William Kurkianea869482019-04-09 15:16:11 -04001// 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// +build gccgo
6// +build !aix
7
8#include <errno.h>
9#include <stdint.h>
10#include <unistd.h>
11
12#define _STRINGIFY2_(x) #x
13#define _STRINGIFY_(x) _STRINGIFY2_(x)
14#define GOSYM_PREFIX _STRINGIFY_(__USER_LABEL_PREFIX__)
15
16// Call syscall from C code because the gccgo support for calling from
17// Go to C does not support varargs functions.
18
19struct ret {
20 uintptr_t r;
21 uintptr_t err;
22};
23
khenaidoo106c61a2021-08-11 18:05:46 -040024struct 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)
25 __asm__(GOSYM_PREFIX GOPKGPATH ".realSyscall");
26
William Kurkianea869482019-04-09 15:16:11 -040027struct ret
28gccgoRealSyscall(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)
29{
30 struct ret r;
31
32 errno = 0;
33 r.r = syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
34 r.err = errno;
35 return r;
36}
37
khenaidoo106c61a2021-08-11 18:05:46 -040038uintptr_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)
39 __asm__(GOSYM_PREFIX GOPKGPATH ".realSyscallNoError");
40
William Kurkianea869482019-04-09 15:16:11 -040041uintptr_t
42gccgoRealSyscallNoError(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)
43{
44 return syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
45}