text: // 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
  
  #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)
  {
  	struct ret r;
  
  	errno = 0;
  	r.r = syscall(trap, a1, a2, a3, a4, a5, a6, a7, a8, a9);
  	r.err = errno;
  	return r;
  }
  
  // Define the use function in C so that it is not inlined.
  
  extern void use(void *) __asm__ (GOSYM_PREFIX GOPKGPATH ".use") __attribute__((noinline));
  
  void
  use(void *p __attribute__ ((unused)))
  {
  }
  