a3bc69c529
PR go/46958 PR go/46965 Call __builtin_return_address with 0 rather than 1. From-SVN: r168495
52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
/* go-caller.c -- runtime.Caller and runtime.FuncForPC for Go.
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Copyright 2009 The Go Authors. All rights reserved.
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Use of this source code is governed by a BSD-style
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license that can be found in the LICENSE file. */
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/* Implement runtime.Caller. */
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#include <stdint.h>
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#include "go-string.h"
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/* The values returned by runtime.Caller. */
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struct caller_ret
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{
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uintptr_t pc;
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struct __go_string file;
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int line;
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_Bool ok;
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};
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/* Implement runtime.Caller. */
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struct caller_ret Caller (int n) asm ("libgo_runtime.runtime.Caller");
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struct caller_ret
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Caller (int n __attribute__ ((unused)))
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{
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struct caller_ret ret;
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/* A proper implementation needs to dig through the debugging
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information. */
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ret.pc = (uint64_t) (uintptr_t) __builtin_return_address (0);
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ret.file.__data = NULL;
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ret.file.__length = 0;
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ret.line = 0;
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ret.ok = 0;
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return ret;
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}
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/* Implement runtime.FuncForPC. */
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void *FuncForPC (uintptr_t) asm ("libgo_runtime.runtime.FuncForPC");
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void *
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FuncForPC(uintptr_t pc __attribute__ ((unused)))
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{
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return NULL;
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}
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