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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-16 19:23:18 +0000
commit43a123c1ae6613b3efeed291fa552ecd909d3acf (patch)
treefd92518b7024bc74031f78a1cf9e454b65e73665 /src/runtime/testdata/testwinlib/main.c
parentInitial commit. (diff)
downloadgolang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.tar.xz
golang-1.20-43a123c1ae6613b3efeed291fa552ecd909d3acf.zip
Adding upstream version 1.20.14.upstream/1.20.14upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/runtime/testdata/testwinlib/main.c')
-rw-r--r--src/runtime/testdata/testwinlib/main.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/src/runtime/testdata/testwinlib/main.c b/src/runtime/testdata/testwinlib/main.c
new file mode 100644
index 0000000..c3fe3cb
--- /dev/null
+++ b/src/runtime/testdata/testwinlib/main.c
@@ -0,0 +1,60 @@
+#include <stdio.h>
+#include <windows.h>
+#include "testwinlib.h"
+
+int exceptionCount;
+int continueCount;
+LONG WINAPI customExceptionHandlder(struct _EXCEPTION_POINTERS *ExceptionInfo)
+{
+ if (ExceptionInfo->ExceptionRecord->ExceptionCode == EXCEPTION_BREAKPOINT)
+ {
+ exceptionCount++;
+ // prepare context to resume execution
+ CONTEXT *c = ExceptionInfo->ContextRecord;
+ c->Rip = *(ULONG_PTR *)c->Rsp;
+ c->Rsp += 8;
+ return EXCEPTION_CONTINUE_EXECUTION;
+ }
+ return EXCEPTION_CONTINUE_SEARCH;
+}
+LONG WINAPI customContinueHandlder(struct _EXCEPTION_POINTERS *ExceptionInfo)
+{
+ if (ExceptionInfo->ExceptionRecord->ExceptionCode == EXCEPTION_BREAKPOINT)
+ {
+ continueCount++;
+ return EXCEPTION_CONTINUE_EXECUTION;
+ }
+ return EXCEPTION_CONTINUE_SEARCH;
+}
+
+void throwFromC()
+{
+ DebugBreak();
+}
+int main()
+{
+ // simulate a "lazily" attached debugger, by calling some go code before attaching the exception/continue handler
+ Dummy();
+ exceptionCount = 0;
+ continueCount = 0;
+ void *exceptionHandlerHandle = AddVectoredExceptionHandler(0, customExceptionHandlder);
+ if (NULL == exceptionHandlerHandle)
+ {
+ printf("cannot add vectored exception handler\n");
+ fflush(stdout);
+ return 2;
+ }
+ void *continueHandlerHandle = AddVectoredContinueHandler(0, customContinueHandlder);
+ if (NULL == continueHandlerHandle)
+ {
+ printf("cannot add vectored continue handler\n");
+ fflush(stdout);
+ return 2;
+ }
+ CallMeBack(throwFromC);
+ RemoveVectoredContinueHandler(continueHandlerHandle);
+ RemoveVectoredExceptionHandler(exceptionHandlerHandle);
+ printf("exceptionCount: %d\ncontinueCount: %d\n", exceptionCount, continueCount);
+ fflush(stdout);
+ return 0;
+}