Text file src/pkg/cmd/vendor/golang.org/x/sys/unix/gccgo_c.c

     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	// +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	
    19	struct ret {
    20		uintptr_t r;
    21		uintptr_t err;
    22	};
    23	
    24	struct ret
    25	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)
    26	{
    27		struct ret r;
    28	
    29		errno = 0;
    30		r.r = syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
    31		r.err = errno;
    32		return r;
    33	}
    34	
    35	uintptr_t
    36	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)
    37	{
    38		return syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
    39	}

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