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// 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. That file uses //export so
// it can't put function definitions in the "C" import comment.
#include <stdint.h>
char *p;
int crashInGo;
extern void h1(void);
int tracebackF3(void) {
if (crashInGo)
h1();
else
*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++;
}
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