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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgo/] [runtime/] [go-caller.c] - Rev 854

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/* go-caller.c -- runtime.Caller and runtime.FuncForPC for Go.
 
   Copyright 2009 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.  */
 
/* Implement runtime.Caller.  */
 
#include <stdint.h>
 
#include "go-string.h"
 
/* The values returned by runtime.Caller.  */
 
struct caller_ret
{
  uintptr_t pc;
  struct __go_string file;
  int line;
  _Bool ok;
};
 
/* Implement runtime.Caller.  */
 
struct caller_ret Caller (int n) asm ("libgo_runtime.runtime.Caller");
 
struct caller_ret
Caller (int n __attribute__ ((unused)))
{
  struct caller_ret ret;
 
  /* A proper implementation needs to dig through the debugging
     information.  */
  ret.pc = (uint64_t) (uintptr_t) __builtin_return_address (0);
  ret.file.__data = NULL;
  ret.file.__length = 0;
  ret.line = 0;
  ret.ok = 0;
 
  return ret;
}
 
/* Implement runtime.FuncForPC.  */
 
void *FuncForPC (uintptr_t) asm ("libgo_runtime.runtime.FuncForPC");
 
void *
FuncForPC(uintptr_t pc __attribute__ ((unused)))
{
  return NULL;
}
 

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