summaryrefslogtreecommitdiffstats
path: root/src/runtime/testdata/testprogcgo/traceback_c.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/runtime/testdata/testprogcgo/traceback_c.c')
-rw-r--r--src/runtime/testdata/testprogcgo/traceback_c.c65
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++;
+}