diff options
Diffstat (limited to 'src/runtime/testdata/testprogcgo/traceback_c.c')
-rw-r--r-- | src/runtime/testdata/testprogcgo/traceback_c.c | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/src/runtime/testdata/testprogcgo/traceback_c.c b/src/runtime/testdata/testprogcgo/traceback_c.c new file mode 100644 index 0000000..56eda8f --- /dev/null +++ b/src/runtime/testdata/testprogcgo/traceback_c.c @@ -0,0 +1,65 @@ +// 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++; +} |