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https://github.com/reactos/reactos.git
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4b95e17c61
Introduce a "apitest.h" header gathering special things for apitests (SEH macros, wine/test.h inclusion, and so on...). svn path=/trunk/; revision=60313
178 lines
4.8 KiB
C
178 lines
4.8 KiB
C
/*
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* PROJECT: ReactOS api tests
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* LICENSE: GPLv2+ - See COPYING in the top level directory
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* PURPOSE: Test for SetUnhandledExceptionFilter
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* PROGRAMMER: Mike "tamlin" Nordell
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*/
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#include <apitest.h>
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#define WIN32_NO_STATUS
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#include <stdio.h>
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#include <ndk/rtltypes.h>
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#include <xmmintrin.h>
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/*
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* Keep these returning different values, to prevent compiler folding
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* them into a single function, thereby voiding the test
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*/
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LONG WINAPI Filter1(LPEXCEPTION_POINTERS p) { return 0; }
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LONG WINAPI Filter2(LPEXCEPTION_POINTERS p) { return 1; }
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/*
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* Verify that SetUnhandledExceptionFilter actually returns the
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* _previous_ handler.
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*/
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static
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VOID
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TestSetUnhandledExceptionFilter(VOID)
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{
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LPTOP_LEVEL_EXCEPTION_FILTER p1, p2;
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p1 = SetUnhandledExceptionFilter(Filter1);
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p2 = SetUnhandledExceptionFilter(Filter2);
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ok(p1 != Filter1, "SetUnhandledExceptionFilter returned what was set, not prev\n");
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ok(p2 != Filter2, "SetUnhandledExceptionFilter returned what was set, not prev\n");
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ok(p2 == Filter1, "SetUnhandledExceptionFilter didn't return previous filter\n");
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ok(p1 != p2, "SetUnhandledExceptionFilter seems to return random stuff\n");
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p1 = SetUnhandledExceptionFilter(NULL);
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ok(p1 == Filter2, "SetUnhandledExceptionFilter didn't return previous filter\n");
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}
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static LONG WINAPI ExceptionFilterSSESupport(LPEXCEPTION_POINTERS exp)
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{
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PEXCEPTION_RECORD rec = exp->ExceptionRecord;
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PCONTEXT ctx = exp->ContextRecord;
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trace("Exception raised while using SSE instructions.\n");
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ok(rec->ExceptionCode == EXCEPTION_ILLEGAL_INSTRUCTION, "Exception code is 0x%08x.\n", (unsigned int)rec->ExceptionCode);
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if(rec->ExceptionCode != EXCEPTION_ILLEGAL_INSTRUCTION)
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{
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trace("Unexpected exception code, terminating!\n");
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return EXCEPTION_EXECUTE_HANDLER;
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}
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ok((ctx->ContextFlags & CONTEXT_CONTROL) == CONTEXT_CONTROL, "Context does not contain control register.\n");
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ctx->Eip += 3;
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return EXCEPTION_CONTINUE_EXECUTION;
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}
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static BOOL ExceptionCaught = FALSE;
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static LONG WINAPI ExceptionFilterSSEException(LPEXCEPTION_POINTERS exp)
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{
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PEXCEPTION_RECORD rec = exp->ExceptionRecord;
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PCONTEXT ctx = exp->ContextRecord;
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trace("Exception raised while dividing by 0.\n");
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ok(rec->ExceptionCode == STATUS_FLOAT_MULTIPLE_TRAPS, "Exception code is 0x%08x.\n", (unsigned int)rec->ExceptionCode);
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if(rec->ExceptionCode != STATUS_FLOAT_MULTIPLE_TRAPS)
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{
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trace("Unexpected exception code, terminating!\n");
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return EXCEPTION_EXECUTE_HANDLER;
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}
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ok((ctx->ContextFlags & CONTEXT_CONTROL) == CONTEXT_CONTROL, "Context does not contain control register.\n");
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ExceptionCaught = TRUE;
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ctx->Eip += 3;
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return EXCEPTION_CONTINUE_EXECUTION;
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}
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static
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VOID TestSSEExceptions(VOID)
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{
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LPTOP_LEVEL_EXCEPTION_FILTER p;
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BOOL supportsSSE = FALSE;
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unsigned int csr;
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/* Test SSE support for the CPU */
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p = SetUnhandledExceptionFilter(ExceptionFilterSSESupport);
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ok(p == NULL, "Previous filter should be NULL\n");
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#ifdef _MSC_VER
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__asm
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{
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xorps xmm0, xmm0
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mov supportsSSE, 0x1
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}
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#else
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__asm__(
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"xorps %%xmm0, %%xmm0\n"
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"movl $1, %0\n"
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: "=r"(supportsSSE)
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);
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#endif /* _MSC_VER */
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if(!supportsSSE)
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{
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skip("CPU doesn't support SSE instructions.\n");
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SetUnhandledExceptionFilter(NULL);
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return;
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}
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/* Deliberately throw a divide by 0 exception */
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p = SetUnhandledExceptionFilter(ExceptionFilterSSEException);
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ok(p == ExceptionFilterSSESupport, "Unexpected old filter : 0x%p", p);
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/* Unmask divide by 0 exception */
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csr = _mm_getcsr();
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_mm_setcsr(csr & 0xFFFFFDFF);
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/* We can't use _mm_div_ps, as it masks the exception before performing anything*/
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#if defined(_MSC_VER)
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__asm
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{
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xorps xmm0, xmm0
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push 0x3f800000
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push 0x3f800000
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push 0x3f800000
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push 0x3f800000
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movups xmm1, [esp]
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/* Divide by 0 */
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divps xmm1, xmm0
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/* Clean up */
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add esp, 16
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}
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#else
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__asm__ (
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"xorps %%xmm0, %%xmm0\n"
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"pushl $0x3f800000\n"
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"pushl $0x3f800000\n"
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"pushl $0x3f800000\n"
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"pushl $0x3f800000\n"
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"movups (%%esp), %%xmm1\n"
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/* Divide by 0 */
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"divps %%xmm0, %%xmm1\n"
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/* Clean up */
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"addl $16, %%esp\n"
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:
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);
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#endif /* _MSC_VER */
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/* Restore mxcsr */
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_mm_setcsr(csr);
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ok(ExceptionCaught, "The exception was not caught.\n");
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p = SetUnhandledExceptionFilter(NULL);
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ok(p == ExceptionFilterSSEException, "Unexpected old filter : 0x%p", p);
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}
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START_TEST(SetUnhandledExceptionFilter)
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{
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TestSetUnhandledExceptionFilter();
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TestSSEExceptions();
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}
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