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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-16 19:23:18 +0000 |
commit | 43a123c1ae6613b3efeed291fa552ecd909d3acf (patch) | |
tree | fd92518b7024bc74031f78a1cf9e454b65e73665 /src/runtime/testdata/testwinlib/main.c | |
parent | Initial commit. (diff) | |
download | golang-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.c | 60 |
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; +} |