58 lines
985 B
Go
58 lines
985 B
Go
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// Copyright 2016 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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//go:build !gccgo
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// +build !gccgo
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package main
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// This program will crash.
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// We want the stack trace to include the C functions.
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// We use a fake traceback, and a symbolizer that dumps a string we recognize.
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/*
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#cgo CFLAGS: -g -O0
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// Defined in traceback_c.c.
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extern int crashInGo;
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int tracebackF1(void);
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void cgoTraceback(void* parg);
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void cgoSymbolizer(void* parg);
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*/
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import "C"
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import (
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"runtime"
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"unsafe"
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)
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func init() {
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register("CrashTraceback", CrashTraceback)
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register("CrashTracebackGo", CrashTracebackGo)
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}
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func CrashTraceback() {
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runtime.SetCgoTraceback(0, unsafe.Pointer(C.cgoTraceback), nil, unsafe.Pointer(C.cgoSymbolizer))
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C.tracebackF1()
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}
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func CrashTracebackGo() {
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C.crashInGo = 1
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CrashTraceback()
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}
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//export h1
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func h1() {
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h2()
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}
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func h2() {
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h3()
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}
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func h3() {
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var x *int
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*x = 0
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}
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