/* 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 #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; }