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runtime/testdata/testprogcgo: refactor CrashTraceback

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This moves the C part of the CrashTraceback test into its own file in
preparation for adding a test that transitions back into Go.

Change-Id: I9560dcfd80bf8a1d30809fd360f958f5261ebb01
Reviewed-on: https://go-review.googlesource.com/c/go/+/272130
Trust: Austin Clements <austin@google.com>
Run-TryBot: Austin Clements <austin@google.com>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Ian Lance Taylor <iant@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
This commit is contained in:
Austin Clements 2020-11-20 17:09:23 -05:00
parent 65dcd15c72
commit ba2adc21e8
2 changed files with 63 additions and 53 deletions
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58
src/runtime/testdata/testprogcgo/traceback.go vendored
View File

@ -11,58 +11,10 @@ package main
/*
#cgo CFLAGS: -g -O0
#include <stdint.h>
char *p;
static int f3(void) {
*p = 0;
return 0;
}
static int f2(void) {
return f3();
}
static int f1(void) {
return f2();
}
struct cgoTracebackArg {
uintptr_t context;
uintptr_t sigContext;
uintptr_t* buf;
uintptr_t max;
};
struct cgoSymbolizerArg {
uintptr_t pc;
const char* file;
uintptr_t lineno;
const char* func;
uintptr_t entry;
uintptr_t more;
uintptr_t data;
};
void cgoTraceback(void* parg) {
struct cgoTracebackArg* arg = (struct cgoTracebackArg*)(parg);
arg->buf[0] = 1;
arg->buf[1] = 2;
arg->buf[2] = 3;
arg->buf[3] = 0;
}
void cgoSymbolizer(void* parg) {
struct cgoSymbolizerArg* arg = (struct cgoSymbolizerArg*)(parg);
if (arg->pc != arg->data + 1) {
arg->file = "unexpected data";
} else {
arg->file = "cgo symbolizer";
}
arg->lineno = arg->data + 1;
arg->data++;
}
// Defined in traceback_c.c.
int tracebackF1(void);
void cgoTraceback(void* parg);
void cgoSymbolizer(void* parg);
*/
import "C"
@ -77,5 +29,5 @@ func init() {
func CrashTraceback() {
runtime.SetCgoTraceback(0, unsafe.Pointer(C.cgoTraceback), nil, unsafe.Pointer(C.cgoSymbolizer))
C.f1()
C.tracebackF1()
}

58
src/runtime/testdata/testprogcgo/traceback_c.c vendored Normal file
View File

@ -0,0 +1,58 @@
// Copyright 2020 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.
// The C definitions for traceback.go.
#include <stdint.h>
char *p;
int tracebackF3(void) {
*p = 0;
return 0;
}
int tracebackF2(void) {
return tracebackF3();
}
int tracebackF1(void) {
return tracebackF2();
}
struct cgoTracebackArg {
uintptr_t context;
uintptr_t sigContext;
uintptr_t* buf;
uintptr_t max;
};
struct cgoSymbolizerArg {
uintptr_t pc;
const char* file;
uintptr_t lineno;
const char* func;
uintptr_t entry;
uintptr_t more;
uintptr_t data;
};
void cgoTraceback(void* parg) {
struct cgoTracebackArg* arg = (struct cgoTracebackArg*)(parg);
arg->buf[0] = 1;
arg->buf[1] = 2;
arg->buf[2] = 3;
arg->buf[3] = 0;
}
void cgoSymbolizer(void* parg) {
struct cgoSymbolizerArg* arg = (struct cgoSymbolizerArg*)(parg);
if (arg->pc != arg->data + 1) {
arg->file = "unexpected data";
} else {
arg->file = "cgo symbolizer";
}
arg->lineno = arg->data + 1;
arg->data++;
}