Module: wine Branch: master Commit: 0b511b9ad8965749ce10e85288963eea7e05a2f9 URL: http://source.winehq.org/git/wine.git/?a=commit;h=0b511b9ad8965749ce10e85288...
Author: Henri Verbeet hverbeet@gmail.com Date: Sun Jan 4 20:38:58 2009 +0100
ntdll: Add a small test for FPU exceptions.
---
dlls/ntdll/tests/exception.c | 77 ++++++++++++++++++++++++++++++++++++++++++ 1 files changed, 77 insertions(+), 0 deletions(-)
diff --git a/dlls/ntdll/tests/exception.c b/dlls/ntdll/tests/exception.c index b0cb554..0632f2d 100644 --- a/dlls/ntdll/tests/exception.c +++ b/dlls/ntdll/tests/exception.c @@ -841,6 +841,82 @@ static void test_simd_exceptions(void) ok( got_exception == 1, "got exception: %i, should be 1\n", got_exception); }
+struct fpu_exception_info +{ + DWORD exception_code; + DWORD exception_offset; + DWORD eip_offset; +}; + +static DWORD fpu_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame, + CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher) +{ + struct fpu_exception_info *info = *(struct fpu_exception_info **)(frame + 1); + + info->exception_code = rec->ExceptionCode; + info->exception_offset = (BYTE *)rec->ExceptionAddress - (BYTE *)code_mem; + info->eip_offset = context->Eip - (DWORD)code_mem; + + ++context->Eip; + return ExceptionContinueExecution; +} + +static void test_fpu_exceptions(void) +{ + static const BYTE fpu_exception_test_ie[] = + { + 0x83, 0xec, 0x04, /* sub $0x4,%esp */ + 0x66, 0xc7, 0x04, 0x24, 0xfe, 0x03, /* movw $0x3fe,(%esp) */ + 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */ + 0xd9, 0x2c, 0x24, /* fldcw (%esp) */ + 0xd9, 0xee, /* fldz */ + 0xd9, 0xe8, /* fld1 */ + 0xde, 0xf1, /* fdivp */ + 0xdd, 0xd8, /* fstp %st(0) */ + 0xdd, 0xd8, /* fstp %st(0) */ + 0x9b, /* fwait */ + 0xdb, 0xe2, /* fnclex */ + 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */ + 0x83, 0xc4, 0x04, /* add $0x4,%esp */ + 0xc3, /* ret */ + }; + + static const BYTE fpu_exception_test_de[] = + { + 0x83, 0xec, 0x04, /* sub $0x4,%esp */ + 0x66, 0xc7, 0x04, 0x24, 0xfb, 0x03, /* movw $0x3fb,(%esp) */ + 0x9b, 0xd9, 0x7c, 0x24, 0x02, /* fstcw 0x2(%esp) */ + 0xd9, 0x2c, 0x24, /* fldcw (%esp) */ + 0xdd, 0xd8, /* fstp %st(0) */ + 0xd9, 0xee, /* fldz */ + 0xd9, 0xe8, /* fld1 */ + 0xde, 0xf1, /* fdivp */ + 0x9b, /* fwait */ + 0xdb, 0xe2, /* fnclex */ + 0xdd, 0xd8, /* fstp %st(0) */ + 0xdd, 0xd8, /* fstp %st(0) */ + 0xd9, 0x6c, 0x24, 0x02, /* fldcw 0x2(%esp) */ + 0x83, 0xc4, 0x04, /* add $0x4,%esp */ + 0xc3, /* ret */ + }; + + struct fpu_exception_info info; + + memset(&info, 0, sizeof(info)); + run_exception_test(fpu_exception_handler, &info, fpu_exception_test_ie, sizeof(fpu_exception_test_ie)); + ok(info.exception_code == EXCEPTION_FLT_STACK_CHECK, + "Got exception code %#x, expected EXCEPTION_FLT_STACK_CHECK\n", info.exception_code); + ok(info.exception_offset == 0x19, "Got exception offset %#x, expected 0x19\n", info.exception_offset); + ok(info.eip_offset == 0x1b, "Got EIP offset %#x, expected 0x1b\n", info.eip_offset); + + memset(&info, 0, sizeof(info)); + run_exception_test(fpu_exception_handler, &info, fpu_exception_test_de, sizeof(fpu_exception_test_de)); + ok(info.exception_code == EXCEPTION_FLT_DIVIDE_BY_ZERO, + "Got exception code %#x, expected EXCEPTION_FLT_DIVIDE_BY_ZERO\n", info.exception_code); + ok(info.exception_offset == 0x17, "Got exception offset %#x, expected 0x17\n", info.exception_offset); + ok(info.eip_offset == 0x19, "Got EIP offset %#x, expected 0x19\n", info.eip_offset); +} + #endif /* __i386__ */
START_TEST(exception) @@ -918,6 +994,7 @@ START_TEST(exception) test_rtlraiseexception(); test_debugger(); test_simd_exceptions(); + test_fpu_exceptions();
VirtualFree(code_mem, 1024, MEM_RELEASE); #endif