68 lines
1.2 KiB
C
68 lines
1.2 KiB
C
// Copyright 2020 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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// The C definitions for traceback.go. That file uses //export so
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// it can't put function definitions in the "C" import comment.
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#include <stdint.h>
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char *p;
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int crashInGo;
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extern void h1(void);
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int tracebackF3(void) {
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if (crashInGo)
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h1();
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else
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*p = 0;
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return 0;
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}
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int tracebackF2(void) {
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return tracebackF3();
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}
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int tracebackF1(void) {
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return tracebackF2();
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}
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struct cgoTracebackArg {
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uintptr_t context;
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uintptr_t sigContext;
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uintptr_t* buf;
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uintptr_t max;
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};
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struct cgoSymbolizerArg {
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uintptr_t pc;
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const char* file;
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uintptr_t lineno;
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const char* func;
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uintptr_t entry;
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uintptr_t more;
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uintptr_t data;
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};
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void cgoTraceback(void* parg) {
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struct cgoTracebackArg* arg = (struct cgoTracebackArg*)(parg);
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arg->buf[0] = 1;
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arg->buf[1] = 2;
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arg->buf[2] = 3;
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arg->buf[3] = 0;
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}
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void cgoSymbolizer(void* parg) {
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struct cgoSymbolizerArg* arg = (struct cgoSymbolizerArg*)(parg);
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if (arg->pc != arg->data + 1) {
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arg->file = "unexpected data";
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} else {
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arg->file = "cgo symbolizer";
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}
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arg->lineno = arg->data + 1;
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arg->data++;
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}
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