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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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