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goma / wine / ebcf5196fc150b6ed4bf4891d3f5b0ebe08d625c / . / dlls / ntdll / tests / exception.c
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/*
* Unit test suite for ntdll exceptions
*
* Copyright 2005 Alexandre Julliard
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <stdarg.h>
#include <stdio.h>
#ifndef _WIN32_WINNT
#define _WIN32_WINNT 0x500 /* For NTSTATUS */
#endif
#include "ntstatus.h"
#define WIN32_NO_STATUS
#define NONAMELESSUNION
#include "windef.h"
#include "winbase.h"
#include "winnt.h"
#include "winreg.h"
#include "winternl.h"
#include "excpt.h"
#include "wine/test.h"
static void *code_mem;
static NTSTATUS (WINAPI *pNtGetContextThread)(HANDLE,CONTEXT*);
static NTSTATUS (WINAPI *pNtSetContextThread)(HANDLE,CONTEXT*);
static NTSTATUS (WINAPI *pRtlRaiseException)(EXCEPTION_RECORD *rec);
static PVOID (WINAPI *pRtlUnwind)(PVOID, PVOID, PEXCEPTION_RECORD, PVOID);
static PVOID (WINAPI *pRtlAddVectoredExceptionHandler)(ULONG first, PVECTORED_EXCEPTION_HANDLER func);
static ULONG (WINAPI *pRtlRemoveVectoredExceptionHandler)(PVOID handler);
static PVOID (WINAPI *pRtlAddVectoredContinueHandler)(ULONG first, PVECTORED_EXCEPTION_HANDLER func);
static ULONG (WINAPI *pRtlRemoveVectoredContinueHandler)(PVOID handler);
static NTSTATUS (WINAPI *pNtReadVirtualMemory)(HANDLE, const void*, void*, SIZE_T, SIZE_T*);
static NTSTATUS (WINAPI *pNtTerminateProcess)(HANDLE handle, LONG exit_code);
static NTSTATUS (WINAPI *pNtQueryInformationProcess)(HANDLE, PROCESSINFOCLASS, PVOID, ULONG, PULONG);
static NTSTATUS (WINAPI *pNtSetInformationProcess)(HANDLE, PROCESSINFOCLASS, PVOID, ULONG);
static BOOL (WINAPI *pIsWow64Process)(HANDLE, PBOOL);
#if defined(__x86_64__)
typedef struct
{
ULONG Count;
struct
{
ULONG BeginAddress;
ULONG EndAddress;
ULONG HandlerAddress;
ULONG JumpTarget;
} ScopeRecord[1];
} SCOPE_TABLE;
typedef struct
{
ULONG64 ControlPc;
ULONG64 ImageBase;
PRUNTIME_FUNCTION FunctionEntry;
ULONG64 EstablisherFrame;
ULONG64 TargetIp;
PCONTEXT ContextRecord;
void* /*PEXCEPTION_ROUTINE*/ LanguageHandler;
PVOID HandlerData;
PUNWIND_HISTORY_TABLE HistoryTable;
ULONG ScopeIndex;
} DISPATCHER_CONTEXT;
typedef struct _SETJMP_FLOAT128
{
unsigned __int64 DECLSPEC_ALIGN(16) Part[2];
} SETJMP_FLOAT128;
typedef struct _JUMP_BUFFER
{
unsigned __int64 Frame;
unsigned __int64 Rbx;
unsigned __int64 Rsp;
unsigned __int64 Rbp;
unsigned __int64 Rsi;
unsigned __int64 Rdi;
unsigned __int64 R12;
unsigned __int64 R13;
unsigned __int64 R14;
unsigned __int64 R15;
unsigned __int64 Rip;
unsigned __int64 Spare;
SETJMP_FLOAT128 Xmm6;
SETJMP_FLOAT128 Xmm7;
SETJMP_FLOAT128 Xmm8;
SETJMP_FLOAT128 Xmm9;
SETJMP_FLOAT128 Xmm10;
SETJMP_FLOAT128 Xmm11;
SETJMP_FLOAT128 Xmm12;
SETJMP_FLOAT128 Xmm13;
SETJMP_FLOAT128 Xmm14;
SETJMP_FLOAT128 Xmm15;
} _JUMP_BUFFER;
static BOOLEAN (CDECL *pRtlAddFunctionTable)(RUNTIME_FUNCTION*, DWORD, DWORD64);
static BOOLEAN (CDECL *pRtlDeleteFunctionTable)(RUNTIME_FUNCTION*);
static BOOLEAN (CDECL *pRtlInstallFunctionTableCallback)(DWORD64, DWORD64, DWORD, PGET_RUNTIME_FUNCTION_CALLBACK, PVOID, PCWSTR);
static PRUNTIME_FUNCTION (WINAPI *pRtlLookupFunctionEntry)(ULONG64, ULONG64*, UNWIND_HISTORY_TABLE*);
static EXCEPTION_DISPOSITION (WINAPI *p__C_specific_handler)(EXCEPTION_RECORD*, ULONG64, CONTEXT*, DISPATCHER_CONTEXT*);
static VOID (WINAPI *pRtlCaptureContext)(CONTEXT*);
static VOID (CDECL *pRtlRestoreContext)(CONTEXT*, EXCEPTION_RECORD*);
static VOID (CDECL *pRtlUnwindEx)(VOID*, VOID*, EXCEPTION_RECORD*, VOID*, CONTEXT*, UNWIND_HISTORY_TABLE*);
static int (CDECL *p_setjmp)(_JUMP_BUFFER*);
#endif
#ifdef __i386__
#ifndef __WINE_WINTRNL_H
#define ProcessExecuteFlags 0x22
#define MEM_EXECUTE_OPTION_DISABLE 0x01
#define MEM_EXECUTE_OPTION_ENABLE 0x02
#define MEM_EXECUTE_OPTION_PERMANENT 0x08
#endif
static int my_argc;
static char** my_argv;
static int test_stage;
static BOOL is_wow64;
/* Test various instruction combinations that cause a protection fault on the i386,
* and check what the resulting exception looks like.
*/
static const struct exception
{
BYTE code[18]; /* asm code */
BYTE offset; /* offset of faulting instruction */
BYTE length; /* length of faulting instruction */
BOOL wow64_broken; /* broken on Wow64, should be skipped */
NTSTATUS status; /* expected status code */
DWORD nb_params; /* expected number of parameters */
DWORD params[4]; /* expected parameters */
NTSTATUS alt_status; /* alternative status code */
DWORD alt_nb_params; /* alternative number of parameters */
DWORD alt_params[4]; /* alternative parameters */
} exceptions[] =
{
/* 0 */
/* test some privileged instructions */
{ { 0xfb, 0xc3 }, /* 0: sti; ret */
0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0x6c, 0xc3 }, /* 1: insb (%dx); ret */
0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0x6d, 0xc3 }, /* 2: insl (%dx); ret */
0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0x6e, 0xc3 }, /* 3: outsb (%dx); ret */
0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0x6f, 0xc3 }, /* 4: outsl (%dx); ret */
0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
/* 5 */
{ { 0xe4, 0x11, 0xc3 }, /* 5: inb $0x11,%al; ret */
0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0xe5, 0x11, 0xc3 }, /* 6: inl $0x11,%eax; ret */
0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0xe6, 0x11, 0xc3 }, /* 7: outb %al,$0x11; ret */
0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0xe7, 0x11, 0xc3 }, /* 8: outl %eax,$0x11; ret */
0, 2, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0xed, 0xc3 }, /* 9: inl (%dx),%eax; ret */
0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
/* 10 */
{ { 0xee, 0xc3 }, /* 10: outb %al,(%dx); ret */
0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0xef, 0xc3 }, /* 11: outl %eax,(%dx); ret */
0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0xf4, 0xc3 }, /* 12: hlt; ret */
0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0xfa, 0xc3 }, /* 13: cli; ret */
0, 1, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
/* test long jump to invalid selector */
{ { 0xea, 0, 0, 0, 0, 0, 0, 0xc3 }, /* 14: ljmp $0,$0; ret */
0, 7, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
/* 15 */
/* test iret to invalid selector */
{ { 0x6a, 0x00, 0x6a, 0x00, 0x6a, 0x00, 0xcf, 0x83, 0xc4, 0x0c, 0xc3 },
/* 15: pushl $0; pushl $0; pushl $0; iret; addl $12,%esp; ret */
6, 1, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
/* test loading an invalid selector */
{ { 0xb8, 0xef, 0xbe, 0x00, 0x00, 0x8e, 0xe8, 0xc3 }, /* 16: mov $beef,%ax; mov %ax,%gs; ret */
5, 2, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xbee8 } }, /* 0xbee8 or 0xffffffff */
/* test accessing a zero selector (%es broken on Wow64) */
{ { 0x06, 0x31, 0xc0, 0x8e, 0xc0, 0x26, 0xa1, 0, 0, 0, 0, 0x07, 0xc3 },
/* push %es; xor %eax,%eax; mov %ax,%es; mov %es:(0),%ax; pop %es; ret */
5, 6, TRUE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
{ { 0x0f, 0xa8, 0x31, 0xc0, 0x8e, 0xe8, 0x65, 0xa1, 0, 0, 0, 0, 0x0f, 0xa9, 0xc3 },
/* push %gs; xor %eax,%eax; mov %ax,%gs; mov %gs:(0),%ax; pop %gs; ret */
6, 6, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
/* test moving %cs -> %ss */
{ { 0x0e, 0x17, 0x58, 0xc3 }, /* pushl %cs; popl %ss; popl %eax; ret */
1, 1, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
/* 20 */
/* test overlong instruction (limit is 15 bytes, 5 on Win7) */
{ { 0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0x64,0xfa,0xc3 },
0, 16, TRUE, STATUS_ILLEGAL_INSTRUCTION, 0, { 0 },
STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
{ { 0x64,0x64,0x64,0x64,0xfa,0xc3 },
0, 5, TRUE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
/* test invalid interrupt */
{ { 0xcd, 0xff, 0xc3 }, /* int $0xff; ret */
0, 2, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
/* test moves to/from Crx */
{ { 0x0f, 0x20, 0xc0, 0xc3 }, /* movl %cr0,%eax; ret */
0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0x0f, 0x20, 0xe0, 0xc3 }, /* movl %cr4,%eax; ret */
0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
/* 25 */
{ { 0x0f, 0x22, 0xc0, 0xc3 }, /* movl %eax,%cr0; ret */
0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0x0f, 0x22, 0xe0, 0xc3 }, /* movl %eax,%cr4; ret */
0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
/* test moves to/from Drx */
{ { 0x0f, 0x21, 0xc0, 0xc3 }, /* movl %dr0,%eax; ret */
0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0x0f, 0x21, 0xc8, 0xc3 }, /* movl %dr1,%eax; ret */
0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0x0f, 0x21, 0xf8, 0xc3 }, /* movl %dr7,%eax; ret */
0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
/* 30 */
{ { 0x0f, 0x23, 0xc0, 0xc3 }, /* movl %eax,%dr0; ret */
0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0x0f, 0x23, 0xc8, 0xc3 }, /* movl %eax,%dr1; ret */
0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0x0f, 0x23, 0xf8, 0xc3 }, /* movl %eax,%dr7; ret */
0, 3, FALSE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
/* test memory reads */
{ { 0xa1, 0xfc, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xfffffffc,%eax; ret */
0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffc } },
{ { 0xa1, 0xfd, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xfffffffd,%eax; ret */
0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffd } },
/* 35 */
{ { 0xa1, 0xfe, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xfffffffe,%eax; ret */
0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xfffffffe } },
{ { 0xa1, 0xff, 0xff, 0xff, 0xff, 0xc3 }, /* movl 0xffffffff,%eax; ret */
0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 0, 0xffffffff } },
/* test memory writes */
{ { 0xa3, 0xfc, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xfffffffc; ret */
0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffc } },
{ { 0xa3, 0xfd, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xfffffffd; ret */
0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffd } },
{ { 0xa3, 0xfe, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xfffffffe; ret */
0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xfffffffe } },
/* 40 */
{ { 0xa3, 0xff, 0xff, 0xff, 0xff, 0xc3 }, /* movl %eax,0xffffffff; ret */
0, 5, FALSE, STATUS_ACCESS_VIOLATION, 2, { 1, 0xffffffff } },
/* test exception with cleared %ds and %es (broken on Wow64) */
{ { 0x1e, 0x06, 0x31, 0xc0, 0x8e, 0xd8, 0x8e, 0xc0, 0xfa, 0x07, 0x1f, 0xc3 },
/* push %ds; push %es; xorl %eax,%eax; mov %ax,%ds; mov %ax,%es; cli; pop %es; pop %ds; ret */
8, 1, TRUE, STATUS_PRIVILEGED_INSTRUCTION, 0 },
{ { 0xf1, 0x90, 0xc3 }, /* icebp; nop; ret */
1, 1, FALSE, STATUS_SINGLE_STEP, 0 },
{ { 0xb8, 0xb8, 0xb8, 0xb8, 0xb8, /* mov $0xb8b8b8b8, %eax */
0xb9, 0xb9, 0xb9, 0xb9, 0xb9, /* mov $0xb9b9b9b9, %ecx */
0xba, 0xba, 0xba, 0xba, 0xba, /* mov $0xbabababa, %edx */
0xcd, 0x2d, 0xc3 }, /* int $0x2d; ret */
17, 0, FALSE, STATUS_BREAKPOINT, 3, { 0xb8b8b8b8, 0xb9b9b9b9, 0xbabababa } },
};
static int got_exception;
static BOOL have_vectored_api;
static void run_exception_test(void *handler, const void* context,
const void *code, unsigned int code_size,
DWORD access)
{
struct {
EXCEPTION_REGISTRATION_RECORD frame;
const void *context;
} exc_frame;
void (*func)(void) = code_mem;
DWORD oldaccess, oldaccess2;
exc_frame.frame.Handler = handler;
exc_frame.frame.Prev = NtCurrentTeb()->Tib.ExceptionList;
exc_frame.context = context;
memcpy(code_mem, code, code_size);
if(access)
VirtualProtect(code_mem, code_size, access, &oldaccess);
NtCurrentTeb()->Tib.ExceptionList = &exc_frame.frame;
func();
NtCurrentTeb()->Tib.ExceptionList = exc_frame.frame.Prev;
if(access)
VirtualProtect(code_mem, code_size, oldaccess, &oldaccess2);
}
static LONG CALLBACK rtlraiseexception_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo)
{
PCONTEXT context = ExceptionInfo->ContextRecord;
PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord;
trace("vect. handler %08x addr:%p context.Eip:%x\n", rec->ExceptionCode,
rec->ExceptionAddress, context->Eip);
ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n",
rec->ExceptionAddress, (char *)code_mem + 0xb);
if (NtCurrentTeb()->Peb->BeingDebugged)
ok((void *)context->Eax == pRtlRaiseException ||
broken( is_wow64 && context->Eax == 0xf00f00f1 ), /* broken on vista */
"debugger managed to modify Eax to %x should be %p\n",
context->Eax, pRtlRaiseException);
/* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
* even if raised by RtlRaiseException
*/
if(rec->ExceptionCode == EXCEPTION_BREAKPOINT)
{
ok(context->Eip == (DWORD)code_mem + 0xa ||
broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */
"Eip at %x instead of %x or %x\n", context->Eip,
(DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb);
}
else
{
ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n",
context->Eip, (DWORD)code_mem + 0xb);
}
/* test if context change is preserved from vectored handler to stack handlers */
context->Eax = 0xf00f00f0;
return EXCEPTION_CONTINUE_SEARCH;
}
static DWORD rtlraiseexception_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
{
trace( "exception: %08x flags:%x addr:%p context: Eip:%x\n",
rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress, context->Eip );
ok(rec->ExceptionAddress == (char *)code_mem + 0xb, "ExceptionAddress at %p instead of %p\n",
rec->ExceptionAddress, (char *)code_mem + 0xb);
/* check that context.Eip is fixed up only for EXCEPTION_BREAKPOINT
* even if raised by RtlRaiseException
*/
if(rec->ExceptionCode == EXCEPTION_BREAKPOINT)
{
ok(context->Eip == (DWORD)code_mem + 0xa ||
broken(context->Eip == (DWORD)code_mem + 0xb), /* win2k3 */
"Eip at %x instead of %x or %x\n", context->Eip,
(DWORD)code_mem + 0xa, (DWORD)code_mem + 0xb);
}
else
{
ok(context->Eip == (DWORD)code_mem + 0xb, "Eip at %x instead of %x\n",
context->Eip, (DWORD)code_mem + 0xb);
}
if(have_vectored_api)
ok(context->Eax == 0xf00f00f0, "Eax is %x, should have been set to 0xf00f00f0 in vectored handler\n",
context->Eax);
/* give the debugger a chance to examine the state a second time */
/* without the exception handler changing Eip */
if (test_stage == 2)
return ExceptionContinueSearch;
/* Eip in context is decreased by 1
* Increase it again, else execution will continue in the middle of an instruction */
if(rec->ExceptionCode == EXCEPTION_BREAKPOINT && (context->Eip == (DWORD)code_mem + 0xa))
context->Eip += 1;
return ExceptionContinueExecution;
}
static const BYTE call_one_arg_code[] = {
0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
0x50, /* push %eax */
0x8b, 0x44, 0x24, 0x08, /* mov 0x8(%esp),%eax */
0xff, 0xd0, /* call *%eax */
0x90, /* nop */
0x90, /* nop */
0x90, /* nop */
0x90, /* nop */
0xc3, /* ret */
};
static void run_rtlraiseexception_test(DWORD exceptioncode)
{
EXCEPTION_REGISTRATION_RECORD frame;
EXCEPTION_RECORD record;
PVOID vectored_handler = NULL;
void (*func)(void* function, EXCEPTION_RECORD* record) = code_mem;
record.ExceptionCode = exceptioncode;
record.ExceptionFlags = 0;
record.ExceptionRecord = NULL;
record.ExceptionAddress = NULL; /* does not matter, copied return address */
record.NumberParameters = 0;
frame.Handler = rtlraiseexception_handler;
frame.Prev = NtCurrentTeb()->Tib.ExceptionList;
memcpy(code_mem, call_one_arg_code, sizeof(call_one_arg_code));
NtCurrentTeb()->Tib.ExceptionList = &frame;
if (have_vectored_api)
{
vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &rtlraiseexception_vectored_handler);
ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
}
func(pRtlRaiseException, &record);
ok( record.ExceptionAddress == (char *)code_mem + 0x0b,
"address set to %p instead of %p\n", record.ExceptionAddress, (char *)code_mem + 0x0b );
if (have_vectored_api)
pRtlRemoveVectoredExceptionHandler(vectored_handler);
NtCurrentTeb()->Tib.ExceptionList = frame.Prev;
}
static void test_rtlraiseexception(void)
{
if (!pRtlRaiseException)
{
skip("RtlRaiseException not found\n");
return;
}
/* test without debugger */
run_rtlraiseexception_test(0x12345);
run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
}
static DWORD unwind_expected_eax;
static DWORD unwind_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
{
trace("exception: %08x flags:%x addr:%p context: Eip:%x\n",
rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress, context->Eip);
ok(rec->ExceptionCode == STATUS_UNWIND, "ExceptionCode is %08x instead of %08x\n",
rec->ExceptionCode, STATUS_UNWIND);
ok(rec->ExceptionAddress == (char *)code_mem + 0x22, "ExceptionAddress at %p instead of %p\n",
rec->ExceptionAddress, (char *)code_mem + 0x22);
ok(context->Eax == unwind_expected_eax, "context->Eax is %08x instead of %08x\n",
context->Eax, unwind_expected_eax);
context->Eax += 1;
return ExceptionContinueSearch;
}
static const BYTE call_unwind_code[] = {
0x55, /* push %ebp */
0x53, /* push %ebx */
0x56, /* push %esi */
0x57, /* push %edi */
0xe8, 0x00, 0x00, 0x00, 0x00, /* call 0 */
0x58, /* 0: pop %eax */
0x05, 0x1e, 0x00, 0x00, 0x00, /* add $0x1e,%eax */
0xff, 0x74, 0x24, 0x20, /* push 0x20(%esp) */
0xff, 0x74, 0x24, 0x20, /* push 0x20(%esp) */
0x50, /* push %eax */
0xff, 0x74, 0x24, 0x24, /* push 0x24(%esp) */
0x8B, 0x44, 0x24, 0x24, /* mov 0x24(%esp),%eax */
0xff, 0xd0, /* call *%eax */
0x5f, /* pop %edi */
0x5e, /* pop %esi */
0x5b, /* pop %ebx */
0x5d, /* pop %ebp */
0xc3, /* ret */
0xcc, /* int $3 */
};
static void test_unwind(void)
{
EXCEPTION_REGISTRATION_RECORD frames[2], *frame2 = &frames[0], *frame1 = &frames[1];
DWORD (*func)(void* function, EXCEPTION_REGISTRATION_RECORD *pEndFrame, EXCEPTION_RECORD* record, DWORD retval) = code_mem;
DWORD retval;
memcpy(code_mem, call_unwind_code, sizeof(call_unwind_code));
/* add first unwind handler */
frame1->Handler = unwind_handler;
frame1->Prev = NtCurrentTeb()->Tib.ExceptionList;
NtCurrentTeb()->Tib.ExceptionList = frame1;
/* add second unwind handler */
frame2->Handler = unwind_handler;
frame2->Prev = NtCurrentTeb()->Tib.ExceptionList;
NtCurrentTeb()->Tib.ExceptionList = frame2;
/* test unwind to current frame */
unwind_expected_eax = 0xDEAD0000;
retval = func(pRtlUnwind, frame2, NULL, 0xDEAD0000);
ok(retval == 0xDEAD0000, "RtlUnwind returned eax %08x instead of %08x\n", retval, 0xDEAD0000);
ok(NtCurrentTeb()->Tib.ExceptionList == frame2, "Exception record points to %p instead of %p\n",
NtCurrentTeb()->Tib.ExceptionList, frame2);
/* unwind to frame1 */
unwind_expected_eax = 0xDEAD0000;
retval = func(pRtlUnwind, frame1, NULL, 0xDEAD0000);
ok(retval == 0xDEAD0001, "RtlUnwind returned eax %08x instead of %08x\n", retval, 0xDEAD0001);
ok(NtCurrentTeb()->Tib.ExceptionList == frame1, "Exception record points to %p instead of %p\n",
NtCurrentTeb()->Tib.ExceptionList, frame1);
/* restore original handler */
NtCurrentTeb()->Tib.ExceptionList = frame1->Prev;
}
static DWORD handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
{
const struct exception *except = *(const struct exception **)(frame + 1);
unsigned int i, parameter_count, entry = except - exceptions;
got_exception++;
trace( "exception %u: %x flags:%x addr:%p\n",
entry, rec->ExceptionCode, rec->ExceptionFlags, rec->ExceptionAddress );
ok( rec->ExceptionCode == except->status ||
(except->alt_status != 0 && rec->ExceptionCode == except->alt_status),
"%u: Wrong exception code %x/%x\n", entry, rec->ExceptionCode, except->status );
ok( context->Eip == (DWORD_PTR)code_mem + except->offset,
"%u: Unexpected eip %#x/%#lx\n", entry,
context->Eip, (DWORD_PTR)code_mem + except->offset );
ok( rec->ExceptionAddress == (char*)context->Eip ||
(rec->ExceptionCode == STATUS_BREAKPOINT && rec->ExceptionAddress == (char*)context->Eip + 1),
"%u: Unexpected exception address %p/%p\n", entry,
rec->ExceptionAddress, (char*)context->Eip );
if (except->status == STATUS_BREAKPOINT && is_wow64)
parameter_count = 1;
else if (except->alt_status == 0 || rec->ExceptionCode != except->alt_status)
parameter_count = except->nb_params;
else
parameter_count = except->alt_nb_params;
ok( rec->NumberParameters == parameter_count,
"%u: Unexpected parameter count %u/%u\n", entry, rec->NumberParameters, parameter_count );
/* Most CPUs (except Intel Core apparently) report a segment limit violation */
/* instead of page faults for accesses beyond 0xffffffff */
if (except->nb_params == 2 && except->params[1] >= 0xfffffffd)
{
if (rec->ExceptionInformation[0] == 0 && rec->ExceptionInformation[1] == 0xffffffff)
goto skip_params;
}
/* Seems that both 0xbee8 and 0xfffffffff can be returned in windows */
if (except->nb_params == 2 && rec->NumberParameters == 2
&& except->params[1] == 0xbee8 && rec->ExceptionInformation[1] == 0xffffffff
&& except->params[0] == rec->ExceptionInformation[0])
{
goto skip_params;
}
if (except->alt_status == 0 || rec->ExceptionCode != except->alt_status)
{
for (i = 0; i < rec->NumberParameters; i++)
ok( rec->ExceptionInformation[i] == except->params[i],
"%u: Wrong parameter %d: %lx/%x\n",
entry, i, rec->ExceptionInformation[i], except->params[i] );
}
else
{
for (i = 0; i < rec->NumberParameters; i++)
ok( rec->ExceptionInformation[i] == except->alt_params[i],
"%u: Wrong parameter %d: %lx/%x\n",
entry, i, rec->ExceptionInformation[i], except->alt_params[i] );
}
skip_params:
/* don't handle exception if it's not the address we expected */
if (context->Eip != (DWORD_PTR)code_mem + except->offset) return ExceptionContinueSearch;
context->Eip += except->length;
return ExceptionContinueExecution;
}
static void test_prot_fault(void)
{
unsigned int i;
for (i = 0; i < sizeof(exceptions)/sizeof(exceptions[0]); i++)
{
if (is_wow64 && exceptions[i].wow64_broken && !strcmp( winetest_platform, "windows" ))
{
skip( "Exception %u broken on Wow64\n", i );
continue;
}
got_exception = 0;
run_exception_test(handler, &exceptions[i], &exceptions[i].code,
sizeof(exceptions[i].code), 0);
if (!i && !got_exception)
{
trace( "No exception, assuming win9x, no point in testing further\n" );
break;
}
ok( got_exception == (exceptions[i].status != 0),
"%u: bad exception count %d\n", i, got_exception );
}
}
struct dbgreg_test {
DWORD dr0, dr1, dr2, dr3, dr6, dr7;
};
/* test handling of debug registers */
static DWORD dreg_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
{
const struct dbgreg_test *test = *(const struct dbgreg_test **)(frame + 1);
context->Eip += 2; /* Skips the popl (%eax) */
context->Dr0 = test->dr0;
context->Dr1 = test->dr1;
context->Dr2 = test->dr2;
context->Dr3 = test->dr3;
context->Dr6 = test->dr6;
context->Dr7 = test->dr7;
return ExceptionContinueExecution;
}
#define CHECK_DEBUG_REG(n, m) \
ok((ctx.Dr##n & m) == test->dr##n, "(%d) failed to set debug register " #n " to %x, got %x\n", \
test_num, test->dr##n, ctx.Dr##n)
static void check_debug_registers(int test_num, const struct dbgreg_test *test)
{
CONTEXT ctx;
NTSTATUS status;
ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
status = pNtGetContextThread(GetCurrentThread(), &ctx);
ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %x\n", status);
CHECK_DEBUG_REG(0, ~0);
CHECK_DEBUG_REG(1, ~0);
CHECK_DEBUG_REG(2, ~0);
CHECK_DEBUG_REG(3, ~0);
CHECK_DEBUG_REG(6, 0x0f);
CHECK_DEBUG_REG(7, ~0xdc00);
}
static const BYTE segfault_code[5] = {
0x31, 0xc0, /* xor %eax,%eax */
0x8f, 0x00, /* popl (%eax) - cause exception */
0xc3 /* ret */
};
/* test the single step exception behaviour */
static DWORD single_step_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
{
got_exception++;
ok (!(context->EFlags & 0x100), "eflags has single stepping bit set\n");
if( got_exception < 3)
context->EFlags |= 0x100; /* single step until popf instruction */
else {
/* show that the last single step exception on the popf instruction
* (which removed the TF bit), still is a EXCEPTION_SINGLE_STEP exception */
ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP,
"exception is not EXCEPTION_SINGLE_STEP: %x\n", rec->ExceptionCode);
}
return ExceptionContinueExecution;
}
static const BYTE single_stepcode[] = {
0x9c, /* pushf */
0x58, /* pop %eax */
0x0d,0,1,0,0, /* or $0x100,%eax */
0x50, /* push %eax */
0x9d, /* popf */
0x35,0,1,0,0, /* xor $0x100,%eax */
0x50, /* push %eax */
0x9d, /* popf */
0xc3
};
/* Test the alignment check (AC) flag handling. */
static const BYTE align_check_code[] = {
0x55, /* push %ebp */
0x89,0xe5, /* mov %esp,%ebp */
0x9c, /* pushf */
0x58, /* pop %eax */
0x0d,0,0,4,0, /* or $0x40000,%eax */
0x50, /* push %eax */
0x9d, /* popf */
0x89,0xe0, /* mov %esp, %eax */
0x8b,0x40,0x1, /* mov 0x1(%eax), %eax - cause exception */
0x9c, /* pushf */
0x58, /* pop %eax */
0x35,0,0,4,0, /* xor $0x40000,%eax */
0x50, /* push %eax */
0x9d, /* popf */
0x5d, /* pop %ebp */
0xc3, /* ret */
};
static DWORD align_check_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
{
ok (!(context->EFlags & 0x40000), "eflags has AC bit set\n");
got_exception++;
return ExceptionContinueExecution;
}
/* Test the direction flag handling. */
static const BYTE direction_flag_code[] = {
0x55, /* push %ebp */
0x89,0xe5, /* mov %esp,%ebp */
0xfd, /* std */
0xfa, /* cli - cause exception */
0x5d, /* pop %ebp */
0xc3, /* ret */
};
static DWORD direction_flag_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
{
#ifdef __GNUC__
unsigned int flags;
__asm__("pushfl; popl %0; cld" : "=r" (flags) );
/* older windows versions don't clear DF properly so don't test */
if (flags & 0x400) trace( "eflags has DF bit set\n" );
#endif
ok( context->EFlags & 0x400, "context eflags has DF bit cleared\n" );
got_exception++;
context->Eip++; /* skip cli */
context->EFlags &= ~0x400; /* make sure it is cleared on return */
return ExceptionContinueExecution;
}
/* test single stepping over hardware breakpoint */
static DWORD bpx_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
{
got_exception++;
ok( rec->ExceptionCode == EXCEPTION_SINGLE_STEP,
"wrong exception code: %x\n", rec->ExceptionCode);
if(got_exception == 1) {
/* hw bp exception on first nop */
ok( context->Eip == (DWORD)code_mem, "eip is wrong: %x instead of %x\n",
context->Eip, (DWORD)code_mem);
ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n");
ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n");
context->Dr0 = context->Dr0 + 1; /* set hw bp again on next instruction */
context->EFlags |= 0x100; /* enable single stepping */
} else if( got_exception == 2) {
/* single step exception on second nop */
ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n",
context->Eip, (DWORD)code_mem + 1);
ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n");
/* depending on the win version the B0 bit is already set here as well
ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n"); */
context->EFlags |= 0x100;
} else if( got_exception == 3) {
/* hw bp exception on second nop */
ok( context->Eip == (DWORD)code_mem + 1, "eip is wrong: %x instead of %x\n",
context->Eip, (DWORD)code_mem + 1);
ok( (context->Dr6 & 0xf) == 1, "B0 flag is not set in Dr6\n");
ok( !(context->Dr6 & 0x4000), "BS flag is set in Dr6\n");
context->Dr0 = 0; /* clear breakpoint */
context->EFlags |= 0x100;
} else {
/* single step exception on ret */
ok( context->Eip == (DWORD)code_mem + 2, "eip is wrong: %x instead of %x\n",
context->Eip, (DWORD)code_mem + 2);
ok( (context->Dr6 & 0xf) == 0, "B0...3 flags in Dr6 shouldn't be set\n");
ok( (context->Dr6 & 0x4000), "BS flag is not set in Dr6\n");
}
context->Dr6 = 0; /* clear status register */
return ExceptionContinueExecution;
}
static const BYTE dummy_code[] = { 0x90, 0x90, 0xc3 }; /* nop, nop, ret */
/* test int3 handling */
static DWORD int3_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
{
ok( rec->ExceptionAddress == code_mem, "exception address not at: %p, but at %p\n",
code_mem, rec->ExceptionAddress);
ok( context->Eip == (DWORD)code_mem, "eip not at: %p, but at %#x\n", code_mem, context->Eip);
if(context->Eip == (DWORD)code_mem) context->Eip++; /* skip breakpoint */
return ExceptionContinueExecution;
}
static const BYTE int3_code[] = { 0xCC, 0xc3 }; /* int 3, ret */
static void test_exceptions(void)
{
CONTEXT ctx;
NTSTATUS res;
struct dbgreg_test dreg_test;
if (!pNtGetContextThread || !pNtSetContextThread)
{
skip( "NtGetContextThread/NtSetContextThread not found\n" );
return;
}
/* test handling of debug registers */
memset(&dreg_test, 0, sizeof(dreg_test));
dreg_test.dr0 = 0x42424240;
dreg_test.dr2 = 0x126bb070;
dreg_test.dr3 = 0x0badbad0;
dreg_test.dr7 = 0xffff0115;
run_exception_test(dreg_handler, &dreg_test, &segfault_code, sizeof(segfault_code), 0);
check_debug_registers(1, &dreg_test);
dreg_test.dr0 = 0x42424242;
dreg_test.dr2 = 0x100f0fe7;
dreg_test.dr3 = 0x0abebabe;
dreg_test.dr7 = 0x115;
run_exception_test(dreg_handler, &dreg_test, &segfault_code, sizeof(segfault_code), 0);
check_debug_registers(2, &dreg_test);
/* test single stepping behavior */
got_exception = 0;
run_exception_test(single_step_handler, NULL, &single_stepcode, sizeof(single_stepcode), 0);
ok(got_exception == 3, "expected 3 single step exceptions, got %d\n", got_exception);
/* test alignment exceptions */
got_exception = 0;
run_exception_test(align_check_handler, NULL, align_check_code, sizeof(align_check_code), 0);
ok(got_exception == 0, "got %d alignment faults, expected 0\n", got_exception);
/* test direction flag */
got_exception = 0;
run_exception_test(direction_flag_handler, NULL, direction_flag_code, sizeof(direction_flag_code), 0);
ok(got_exception == 1, "got %d exceptions, expected 1\n", got_exception);
/* test single stepping over hardware breakpoint */
memset(&ctx, 0, sizeof(ctx));
ctx.Dr0 = (DWORD) code_mem; /* set hw bp on first nop */
ctx.Dr7 = 3;
ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
res = pNtSetContextThread( GetCurrentThread(), &ctx);
ok( res == STATUS_SUCCESS, "NtSetContextThread failed with %x\n", res);
got_exception = 0;
run_exception_test(bpx_handler, NULL, dummy_code, sizeof(dummy_code), 0);
ok( got_exception == 4,"expected 4 exceptions, got %d\n", got_exception);
/* test int3 handling */
run_exception_test(int3_handler, NULL, int3_code, sizeof(int3_code), 0);
}
static void test_debugger(void)
{
char cmdline[MAX_PATH];
PROCESS_INFORMATION pi;
STARTUPINFOA si = { 0 };
DEBUG_EVENT de;
DWORD continuestatus;
PVOID code_mem_address = NULL;
NTSTATUS status;
SIZE_T size_read;
BOOL ret;
int counter = 0;
si.cb = sizeof(si);
if(!pNtGetContextThread || !pNtSetContextThread || !pNtReadVirtualMemory || !pNtTerminateProcess)
{
skip("NtGetContextThread, NtSetContextThread, NtReadVirtualMemory or NtTerminateProcess not found\n");
return;
}
sprintf(cmdline, "%s %s %s %p", my_argv[0], my_argv[1], "debuggee", &test_stage);
ret = CreateProcessA(NULL, cmdline, NULL, NULL, FALSE, DEBUG_PROCESS, NULL, NULL, &si, &pi);
ok(ret, "could not create child process error: %u\n", GetLastError());
if (!ret)
return;
do
{
continuestatus = DBG_CONTINUE;
ok(WaitForDebugEvent(&de, INFINITE), "reading debug event\n");
if (de.dwThreadId != pi.dwThreadId)
{
trace("event %d not coming from main thread, ignoring\n", de.dwDebugEventCode);
ContinueDebugEvent(de.dwProcessId, de.dwThreadId, DBG_CONTINUE);
continue;
}
if (de.dwDebugEventCode == CREATE_PROCESS_DEBUG_EVENT)
{
if(de.u.CreateProcessInfo.lpBaseOfImage != NtCurrentTeb()->Peb->ImageBaseAddress)
{
skip("child process loaded at different address, terminating it\n");
pNtTerminateProcess(pi.hProcess, 0);
}
}
else if (de.dwDebugEventCode == EXCEPTION_DEBUG_EVENT)
{
CONTEXT ctx;
int stage;
counter++;
status = pNtReadVirtualMemory(pi.hProcess, &code_mem, &code_mem_address,
sizeof(code_mem_address), &size_read);
ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
status = pNtReadVirtualMemory(pi.hProcess, &test_stage, &stage,
sizeof(stage), &size_read);
ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
ctx.ContextFlags = CONTEXT_FULL;
status = pNtGetContextThread(pi.hThread, &ctx);
ok(!status, "NtGetContextThread failed with 0x%x\n", status);
trace("exception 0x%x at %p firstchance=%d Eip=0x%x, Eax=0x%x\n",
de.u.Exception.ExceptionRecord.ExceptionCode,
de.u.Exception.ExceptionRecord.ExceptionAddress, de.u.Exception.dwFirstChance, ctx.Eip, ctx.Eax);
if (counter > 100)
{
ok(FALSE, "got way too many exceptions, probably caught in an infinite loop, terminating child\n");
pNtTerminateProcess(pi.hProcess, 1);
}
else if (counter >= 2) /* skip startup breakpoint */
{
if (stage == 1)
{
ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at %x instead of %p\n",
ctx.Eip, (char *)code_mem_address + 0xb);
/* setting the context from debugger does not affect the context, the exception handlers gets */
/* uncomment once wine is fixed */
/* ctx.Eip = 0x12345; */
ctx.Eax = 0xf00f00f1;
/* let the debuggee handle the exception */
continuestatus = DBG_EXCEPTION_NOT_HANDLED;
}
else if (stage == 2)
{
if (de.u.Exception.dwFirstChance)
{
/* debugger gets first chance exception with unmodified ctx.Eip */
ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at 0x%x instead of %p\n",
ctx.Eip, (char *)code_mem_address + 0xb);
/* setting the context from debugger does not affect the context, the exception handlers gets */
/* uncomment once wine is fixed */
/* ctx.Eip = 0x12345; */
ctx.Eax = 0xf00f00f1;
/* pass exception to debuggee
* exception will not be handled and
* a second chance exception will be raised */
continuestatus = DBG_EXCEPTION_NOT_HANDLED;
}
else
{
/* debugger gets context after exception handler has played with it */
/* ctx.Eip is the same value the exception handler got */
if (de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT)
{
ok((char *)ctx.Eip == (char *)code_mem_address + 0xa ||
broken(is_wow64 && (char *)ctx.Eip == (char *)code_mem_address + 0xb),
"Eip at 0x%x instead of %p\n",
ctx.Eip, (char *)code_mem_address + 0xa);
/* need to fixup Eip for debuggee */
if ((char *)ctx.Eip == (char *)code_mem_address + 0xa)
ctx.Eip += 1;
}
else
ok((char *)ctx.Eip == (char *)code_mem_address + 0xb, "Eip at 0x%x instead of %p\n",
ctx.Eip, (char *)code_mem_address + 0xb);
/* here we handle exception */
}
}
else if (stage == 7 || stage == 8)
{
ok(de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT,
"expected EXCEPTION_BREAKPOINT, got %08x\n", de.u.Exception.ExceptionRecord.ExceptionCode);
ok((char *)ctx.Eip == (char *)code_mem_address + 0x1d,
"expected Eip = %p, got 0x%x\n", (char *)code_mem_address + 0x1d, ctx.Eip);
if (stage == 8) continuestatus = DBG_EXCEPTION_NOT_HANDLED;
}
else if (stage == 9 || stage == 10)
{
ok(de.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT,
"expected EXCEPTION_BREAKPOINT, got %08x\n", de.u.Exception.ExceptionRecord.ExceptionCode);
ok((char *)ctx.Eip == (char *)code_mem_address + 2,
"expected Eip = %p, got 0x%x\n", (char *)code_mem_address + 2, ctx.Eip);
if (stage == 10) continuestatus = DBG_EXCEPTION_NOT_HANDLED;
}
else
ok(FALSE, "unexpected stage %x\n", stage);
status = pNtSetContextThread(pi.hThread, &ctx);
ok(!status, "NtSetContextThread failed with 0x%x\n", status);
}
}
else if (de.dwDebugEventCode == OUTPUT_DEBUG_STRING_EVENT)
{
int stage;
char buffer[64];
status = pNtReadVirtualMemory(pi.hProcess, &test_stage, &stage,
sizeof(stage), &size_read);
ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
ok(!de.u.DebugString.fUnicode, "unexpected unicode debug string event\n");
ok(de.u.DebugString.nDebugStringLength < sizeof(buffer) - 1, "buffer not large enough to hold %d bytes\n",
de.u.DebugString.nDebugStringLength);
memset(buffer, 0, sizeof(buffer));
status = pNtReadVirtualMemory(pi.hProcess, de.u.DebugString.lpDebugStringData, buffer,
de.u.DebugString.nDebugStringLength, &size_read);
ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
if (stage == 3 || stage == 4)
ok(!strcmp(buffer, "Hello World"), "got unexpected debug string '%s'\n", buffer);
else /* ignore unrelated debug strings like 'SHIMVIEW: ShimInfo(Complete)' */
ok(strstr(buffer, "SHIMVIEW") != NULL, "unexpected stage %x, got debug string event '%s'\n", stage, buffer);
if (stage == 4) continuestatus = DBG_EXCEPTION_NOT_HANDLED;
}
else if (de.dwDebugEventCode == RIP_EVENT)
{
int stage;
status = pNtReadVirtualMemory(pi.hProcess, &test_stage, &stage,
sizeof(stage), &size_read);
ok(!status,"NtReadVirtualMemory failed with 0x%x\n", status);
if (stage == 5 || stage == 6)
{
ok(de.u.RipInfo.dwError == 0x11223344, "got unexpected rip error code %08x, expected %08x\n",
de.u.RipInfo.dwError, 0x11223344);
ok(de.u.RipInfo.dwType == 0x55667788, "got unexpected rip type %08x, expected %08x\n",
de.u.RipInfo.dwType, 0x55667788);
}
else
ok(FALSE, "unexpected stage %x\n", stage);
if (stage == 6) continuestatus = DBG_EXCEPTION_NOT_HANDLED;
}
ContinueDebugEvent(de.dwProcessId, de.dwThreadId, continuestatus);
} while (de.dwDebugEventCode != EXIT_PROCESS_DEBUG_EVENT);
winetest_wait_child_process( pi.hProcess );
ret = CloseHandle(pi.hThread);
ok(ret, "error %u\n", GetLastError());
ret = CloseHandle(pi.hProcess);
ok(ret, "error %u\n", GetLastError());
return;
}
static DWORD simd_fault_handler( EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher )
{
int *stage = *(int **)(frame + 1);
got_exception++;
if( *stage == 1) {
/* fault while executing sse instruction */
context->Eip += 3; /* skip addps */
return ExceptionContinueExecution;
}
else if ( *stage == 2 || *stage == 3 ) {
/* stage 2 - divide by zero fault */
/* stage 3 - invalid operation fault */
if( rec->ExceptionCode == EXCEPTION_ILLEGAL_INSTRUCTION)
skip("system doesn't support SIMD exceptions\n");
else {
ok( rec->ExceptionCode == STATUS_FLOAT_MULTIPLE_TRAPS,
"exception code: %#x, should be %#x\n",
rec->ExceptionCode, STATUS_FLOAT_MULTIPLE_TRAPS);
ok( rec->NumberParameters == 1 || broken(is_wow64 && rec->NumberParameters == 2),
"# of params: %i, should be 1\n",
rec->NumberParameters);
if( rec->NumberParameters == 1 )
ok( rec->ExceptionInformation[0] == 0, "param #1: %lx, should be 0\n", rec->ExceptionInformation[0]);
}
context->Eip += 3; /* skip divps */
}
else
ok(FALSE, "unexpected stage %x\n", *stage);
return ExceptionContinueExecution;
}
static const BYTE simd_exception_test[] = {
0x83, 0xec, 0x4, /* sub $0x4, %esp */
0x0f, 0xae, 0x1c, 0x24, /* stmxcsr (%esp) */
0x8b, 0x04, 0x24, /* mov (%esp),%eax * store mxcsr */
0x66, 0x81, 0x24, 0x24, 0xff, 0xfd, /* andw $0xfdff,(%esp) * enable divide by */
0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) * zero exceptions */
0x6a, 0x01, /* push $0x1 */
0x6a, 0x01, /* push $0x1 */
0x6a, 0x01, /* push $0x1 */
0x6a, 0x01, /* push $0x1 */
0x0f, 0x10, 0x0c, 0x24, /* movups (%esp),%xmm1 * fill dividend */
0x0f, 0x57, 0xc0, /* xorps %xmm0,%xmm0 * clear divisor */
0x0f, 0x5e, 0xc8, /* divps %xmm0,%xmm1 * generate fault */
0x83, 0xc4, 0x10, /* add $0x10,%esp */
0x89, 0x04, 0x24, /* mov %eax,(%esp) * restore to old mxcsr */
0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) */
0x83, 0xc4, 0x04, /* add $0x4,%esp */
0xc3, /* ret */
};
static const BYTE simd_exception_test2[] = {
0x83, 0xec, 0x4, /* sub $0x4, %esp */
0x0f, 0xae, 0x1c, 0x24, /* stmxcsr (%esp) */
0x8b, 0x04, 0x24, /* mov (%esp),%eax * store mxcsr */
0x66, 0x81, 0x24, 0x24, 0x7f, 0xff, /* andw $0xff7f,(%esp) * enable invalid */
0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) * operation exceptions */
0x0f, 0x57, 0xc9, /* xorps %xmm1,%xmm1 * clear dividend */
0x0f, 0x57, 0xc0, /* xorps %xmm0,%xmm0 * clear divisor */
0x0f, 0x5e, 0xc8, /* divps %xmm0,%xmm1 * generate fault */
0x89, 0x04, 0x24, /* mov %eax,(%esp) * restore to old mxcsr */
0x0f, 0xae, 0x14, 0x24, /* ldmxcsr (%esp) */
0x83, 0xc4, 0x04, /* add $0x4,%esp */
0xc3, /* ret */
};
static const BYTE sse_check[] = {
0x0f, 0x58, 0xc8, /* addps %xmm0,%xmm1 */
0xc3, /* ret */
};
static void test_simd_exceptions(void)
{
int stage;
/* test if CPU & OS can do sse */
stage = 1;
got_exception = 0;
run_exception_test(simd_fault_handler, &stage, sse_check, sizeof(sse_check), 0);
if(got_exception) {
skip("system doesn't support SSE\n");
return;
}
/* generate a SIMD exception */
stage = 2;
got_exception = 0;
run_exception_test(simd_fault_handler, &stage, simd_exception_test,
sizeof(simd_exception_test), 0);
ok(got_exception == 1, "got exception: %i, should be 1\n", got_exception);
/* generate a SIMD exception, test FPE_FLTINV */
stage = 3;
got_exception = 0;
run_exception_test(simd_fault_handler, &stage, simd_exception_test2,
sizeof(simd_exception_test2), 0);
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), 0);
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 ||
broken( info.exception_offset == info.eip_offset ),
"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), 0);
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 ||
broken( info.exception_offset == info.eip_offset ),
"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);
}
struct dpe_exception_info {
BOOL exception_caught;
DWORD exception_info;
};
static DWORD dpe_exception_handler(EXCEPTION_RECORD *rec, EXCEPTION_REGISTRATION_RECORD *frame,
CONTEXT *context, EXCEPTION_REGISTRATION_RECORD **dispatcher)
{
DWORD old_prot;
struct dpe_exception_info *info = *(struct dpe_exception_info **)(frame + 1);
ok(rec->ExceptionCode == EXCEPTION_ACCESS_VIOLATION,
"Exception code %08x\n", rec->ExceptionCode);
ok(rec->NumberParameters == 2,
"Parameter count: %d\n", rec->NumberParameters);
ok((LPVOID)rec->ExceptionInformation[1] == code_mem,
"Exception address: %p, expected %p\n",
(LPVOID)rec->ExceptionInformation[1], code_mem);
info->exception_info = rec->ExceptionInformation[0];
info->exception_caught = TRUE;
VirtualProtect(code_mem, 1, PAGE_EXECUTE_READWRITE, &old_prot);
return ExceptionContinueExecution;
}
static void test_dpe_exceptions(void)
{
static const BYTE single_ret[] = {0xC3};
struct dpe_exception_info info;
NTSTATUS stat;
BOOL has_hw_support;
BOOL is_permanent = FALSE, can_test_without = TRUE, can_test_with = TRUE;
DWORD val;
ULONG len;
/* Query DEP with len too small */
stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val - 1, &len);
if(stat == STATUS_INVALID_INFO_CLASS)
{
skip("This software platform does not support DEP\n");
return;
}
ok(stat == STATUS_INFO_LENGTH_MISMATCH, "buffer too small: %08x\n", stat);
/* Query DEP */
stat = pNtQueryInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val, &len);
ok(stat == STATUS_SUCCESS, "querying DEP: status %08x\n", stat);
if(stat == STATUS_SUCCESS)
{
ok(len == sizeof val, "returned length: %d\n", len);
if(val & MEM_EXECUTE_OPTION_PERMANENT)
{
skip("toggling DEP impossible - status locked\n");
is_permanent = TRUE;
if(val & MEM_EXECUTE_OPTION_DISABLE)
can_test_without = FALSE;
else
can_test_with = FALSE;
}
}
if(!is_permanent)
{
/* Enable DEP */
val = MEM_EXECUTE_OPTION_DISABLE;
stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
ok(stat == STATUS_SUCCESS, "enabling DEP: status %08x\n", stat);
}
if(can_test_with)
{
/* Try access to locked page with DEP on*/
info.exception_caught = FALSE;
run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS);
ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n");
ok(info.exception_info == EXCEPTION_READ_FAULT ||
info.exception_info == EXCEPTION_EXECUTE_FAULT,
"Access violation type: %08x\n", (unsigned)info.exception_info);
has_hw_support = info.exception_info == EXCEPTION_EXECUTE_FAULT;
trace("DEP hardware support: %s\n", has_hw_support?"Yes":"No");
/* Try execution of data with DEP on*/
info.exception_caught = FALSE;
run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE);
if(has_hw_support)
{
ok(info.exception_caught == TRUE, "Execution of data memory succeeded\n");
ok(info.exception_info == EXCEPTION_EXECUTE_FAULT,
"Access violation type: %08x\n", (unsigned)info.exception_info);
}
else
ok(info.exception_caught == FALSE, "Execution trapped without hardware support\n");
}
else
skip("DEP is in AlwaysOff state\n");
if(!is_permanent)
{
/* Disable DEP */
val = MEM_EXECUTE_OPTION_ENABLE;
stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
ok(stat == STATUS_SUCCESS, "disabling DEP: status %08x\n", stat);
}
/* page is read without exec here */
if(can_test_without)
{
/* Try execution of data with DEP off */
info.exception_caught = FALSE;
run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_READWRITE);
ok(info.exception_caught == FALSE, "Execution trapped with DEP turned off\n");
/* Try access to locked page with DEP off - error code is different than
with hardware DEP on */
info.exception_caught = FALSE;
run_exception_test(dpe_exception_handler, &info, single_ret, sizeof(single_ret), PAGE_NOACCESS);
ok(info.exception_caught == TRUE, "Execution of disabled memory succeeded\n");
ok(info.exception_info == EXCEPTION_READ_FAULT,
"Access violation type: %08x\n", (unsigned)info.exception_info);
}
else
skip("DEP is in AlwaysOn state\n");
if(!is_permanent)
{
/* Turn off DEP permanently */
val = MEM_EXECUTE_OPTION_ENABLE | MEM_EXECUTE_OPTION_PERMANENT;
stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
ok(stat == STATUS_SUCCESS, "disabling DEP permanently: status %08x\n", stat);
}
/* Try to turn off DEP */
val = MEM_EXECUTE_OPTION_ENABLE;
stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
ok(stat == STATUS_ACCESS_DENIED, "disabling DEP while permanent: status %08x\n", stat);
/* Try to turn on DEP */
val = MEM_EXECUTE_OPTION_DISABLE;
stat = pNtSetInformationProcess(GetCurrentProcess(), ProcessExecuteFlags, &val, sizeof val);
ok(stat == STATUS_ACCESS_DENIED, "enabling DEP while permanent: status %08x\n", stat);
}
#elif defined(__x86_64__)
#define is_wow64 0
#define UNW_FLAG_NHANDLER 0
#define UNW_FLAG_EHANDLER 1
#define UNW_FLAG_UHANDLER 2
#define UNW_FLAG_CHAININFO 4
#define UWOP_PUSH_NONVOL 0
#define UWOP_ALLOC_LARGE 1
#define UWOP_ALLOC_SMALL 2
#define UWOP_SET_FPREG 3
#define UWOP_SAVE_NONVOL 4
#define UWOP_SAVE_NONVOL_FAR 5
#define UWOP_SAVE_XMM128 8
#define UWOP_SAVE_XMM128_FAR 9
#define UWOP_PUSH_MACHFRAME 10
struct results
{
int rip_offset; /* rip offset from code start */
int rbp_offset; /* rbp offset from stack pointer */
int handler; /* expect handler to be set? */
int rip; /* expected final rip value */
int frame; /* expected frame return value */
int regs[8][2]; /* expected values for registers */
};
struct unwind_test
{
const BYTE *function;
size_t function_size;
const BYTE *unwind_info;
const struct results *results;
unsigned int nb_results;
};
enum regs
{
rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
r8, r9, r10, r11, r12, r13, r14, r15
};
static const char * const reg_names[16] =
{
"rax", "rcx", "rdx", "rbx", "rsp", "rbp", "rsi", "rdi",
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15"
};
#define UWOP(code,info) (UWOP_##code | ((info) << 4))
static void call_virtual_unwind( int testnum, const struct unwind_test *test )
{
static const int code_offset = 1024;
static const int unwind_offset = 2048;
void *handler, *data;
CONTEXT context;
RUNTIME_FUNCTION runtime_func;
KNONVOLATILE_CONTEXT_POINTERS ctx_ptr;
UINT i, j, k;
ULONG64 fake_stack[256];
ULONG64 frame, orig_rip, orig_rbp, unset_reg;
UINT unwind_size = 4 + 2 * test->unwind_info[2] + 8;
memcpy( (char *)code_mem + code_offset, test->function, test->function_size );
memcpy( (char *)code_mem + unwind_offset, test->unwind_info, unwind_size );
runtime_func.BeginAddress = code_offset;
runtime_func.EndAddress = code_offset + test->function_size;
runtime_func.UnwindData = unwind_offset;
trace( "code: %p stack: %p\n", code_mem, fake_stack );
for (i = 0; i < test->nb_results; i++)
{
memset( &ctx_ptr, 0, sizeof(ctx_ptr) );
memset( &context, 0x55, sizeof(context) );
memset( &unset_reg, 0x55, sizeof(unset_reg) );
for (j = 0; j < 256; j++) fake_stack[j] = j * 8;
context.Rsp = (ULONG_PTR)fake_stack;
context.Rbp = (ULONG_PTR)fake_stack + test->results[i].rbp_offset;
orig_rbp = context.Rbp;
orig_rip = (ULONG64)code_mem + code_offset + test->results[i].rip_offset;
trace( "%u/%u: rip=%p (%02x) rbp=%p rsp=%p\n", testnum, i,
(void *)orig_rip, *(BYTE *)orig_rip, (void *)orig_rbp, (void *)context.Rsp );
data = (void *)0xdeadbeef;
handler = RtlVirtualUnwind( UNW_FLAG_EHANDLER, (ULONG64)code_mem, orig_rip,
&runtime_func, &context, &data, &frame, &ctx_ptr );
if (test->results[i].handler)
{
ok( (char *)handler == (char *)code_mem + 0x200,
"%u/%u: wrong handler %p/%p\n", testnum, i, handler, (char *)code_mem + 0x200 );
if (handler) ok( *(DWORD *)data == 0x08070605,
"%u/%u: wrong handler data %p\n", testnum, i, data );
}
else
{
ok( handler == NULL, "%u/%u: handler %p instead of NULL\n", testnum, i, handler );
ok( data == (void *)0xdeadbeef, "%u/%u: handler data set to %p\n", testnum, i, data );
}
ok( context.Rip == test->results[i].rip, "%u/%u: wrong rip %p/%x\n",
testnum, i, (void *)context.Rip, test->results[i].rip );
ok( frame == (ULONG64)fake_stack + test->results[i].frame, "%u/%u: wrong frame %p/%p\n",
testnum, i, (void *)frame, (char *)fake_stack + test->results[i].frame );
for (j = 0; j < 16; j++)
{
static const UINT nb_regs = sizeof(test->results[i].regs) / sizeof(test->results[i].regs[0]);
for (k = 0; k < nb_regs; k++)
{
if (test->results[i].regs[k][0] == -1)
{
k = nb_regs;
break;
}
if (test->results[i].regs[k][0] == j) break;
}
if (j == rsp) /* rsp is special */
{
ok( !ctx_ptr.u2.IntegerContext[j],
"%u/%u: rsp should not be set in ctx_ptr\n", testnum, i );
ok( context.Rsp == (ULONG64)fake_stack + test->results[i].regs[k][1],
"%u/%u: register rsp wrong %p/%p\n",
testnum, i, (void *)context.Rsp, (char *)fake_stack + test->results[i].regs[k][1] );
continue;
}
if (ctx_ptr.u2.IntegerContext[j])
{
ok( k < nb_regs, "%u/%u: register %s should not be set to %lx\n",
testnum, i, reg_names[j], *(&context.Rax + j) );
if (k < nb_regs)
ok( *(&context.Rax + j) == test->results[i].regs[k][1],
"%u/%u: register %s wrong %p/%x\n",
testnum, i, reg_names[j], (void *)*(&context.Rax + j), test->results[i].regs[k][1] );
}
else
{
ok( k == nb_regs, "%u/%u: register %s should be set\n", testnum, i, reg_names[j] );
if (j == rbp)
ok( context.Rbp == orig_rbp, "%u/%u: register rbp wrong %p/unset\n",
testnum, i, (void *)context.Rbp );
else
ok( *(&context.Rax + j) == unset_reg,
"%u/%u: register %s wrong %p/unset\n",
testnum, i, reg_names[j], (void *)*(&context.Rax + j));
}
}
}
}
static void test_virtual_unwind(void)
{
static const BYTE function_0[] =
{
0xff, 0xf5, /* 00: push %rbp */
0x48, 0x81, 0xec, 0x10, 0x01, 0x00, 0x00, /* 02: sub $0x110,%rsp */
0x48, 0x8d, 0x6c, 0x24, 0x30, /* 09: lea 0x30(%rsp),%rbp */
0x48, 0x89, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 0e: mov %rbx,0xf0(%rbp) */
0x48, 0x89, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 15: mov %rsi,0xf8(%rbp) */
0x90, /* 1c: nop */
0x48, 0x8b, 0x9d, 0xf0, 0x00, 0x00, 0x00, /* 1d: mov 0xf0(%rbp),%rbx */
0x48, 0x8b, 0xb5, 0xf8, 0x00, 0x00, 0x00, /* 24: mov 0xf8(%rbp),%rsi */
0x48, 0x8d, 0xa5, 0xe0, 0x00, 0x00, 0x00, /* 2b: lea 0xe0(%rbp),%rsp */
0x5d, /* 32: pop %rbp */
0xc3 /* 33: ret */
};
static const BYTE unwind_info_0[] =
{
1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */
0x1c, /* prolog size */
8, /* opcode count */
(0x03 << 4) | rbp, /* frame reg rbp offset 0x30 */
0x1c, UWOP(SAVE_NONVOL, rsi), 0x25, 0, /* 1c: mov %rsi,0x128(%rsp) */
0x15, UWOP(SAVE_NONVOL, rbx), 0x24, 0, /* 15: mov %rbx,0x120(%rsp) */
0x0e, UWOP(SET_FPREG, rbp), /* 0e: lea 0x30(%rsp),rbp */
0x09, UWOP(ALLOC_LARGE, 0), 0x22, 0, /* 09: sub $0x110,%rsp */
0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */
0x00, 0x02, 0x00, 0x00, /* handler */
0x05, 0x06, 0x07, 0x08, /* data */
};
static const struct results results_0[] =
{
/* offset rbp handler rip frame registers */
{ 0x00, 0x40, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
{ 0x02, 0x40, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbp,0x000}, {-1,-1} }},
{ 0x09, 0x40, FALSE, 0x118, 0x000, { {rsp,0x120}, {rbp,0x110}, {-1,-1} }},
{ 0x0e, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1} }},
{ 0x15, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {-1,-1} }},
{ 0x1c, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
{ 0x1d, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
{ 0x24, 0x40, TRUE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {rbx,0x130}, {rsi,0x138}, {-1,-1}}},
{ 0x2b, 0x40, FALSE, 0x128, 0x010, { {rsp,0x130}, {rbp,0x120}, {-1,-1}}},
{ 0x32, 0x40, FALSE, 0x008, 0x010, { {rsp,0x010}, {rbp,0x000}, {-1,-1}}},
{ 0x33, 0x40, FALSE, 0x000, 0x010, { {rsp,0x008}, {-1,-1}}},
};
static const BYTE function_1[] =
{
0x53, /* 00: push %rbx */
0x55, /* 01: push %rbp */
0x56, /* 02: push %rsi */
0x57, /* 03: push %rdi */
0x41, 0x54, /* 04: push %r12 */
0x48, 0x83, 0xec, 0x30, /* 06: sub $0x30,%rsp */
0x90, 0x90, /* 0a: nop; nop */
0x48, 0x83, 0xc4, 0x30, /* 0c: add $0x30,%rsp */
0x41, 0x5c, /* 10: pop %r12 */
0x5f, /* 12: pop %rdi */
0x5e, /* 13: pop %rsi */
0x5d, /* 14: pop %rbp */
0x5b, /* 15: pop %rbx */
0xc3 /* 16: ret */
};
static const BYTE unwind_info_1[] =
{
1 | (UNW_FLAG_EHANDLER << 3), /* version + flags */
0x0a, /* prolog size */
6, /* opcode count */
0, /* frame reg */
0x0a, UWOP(ALLOC_SMALL, 5), /* 0a: sub $0x30,%rsp */
0x06, UWOP(PUSH_NONVOL, r12), /* 06: push %r12 */
0x04, UWOP(PUSH_NONVOL, rdi), /* 04: push %rdi */
0x03, UWOP(PUSH_NONVOL, rsi), /* 03: push %rsi */
0x02, UWOP(PUSH_NONVOL, rbp), /* 02: push %rbp */
0x01, UWOP(PUSH_NONVOL, rbx), /* 01: push %rbx */
0x00, 0x02, 0x00, 0x00, /* handler */
0x05, 0x06, 0x07, 0x08, /* data */
};
static const struct results results_1[] =
{
/* offset rbp handler rip frame registers */
{ 0x00, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
{ 0x01, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }},
{ 0x02, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }},
{ 0x03, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }},
{ 0x04, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }},
{ 0x06, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }},
{ 0x0a, 0x50, TRUE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }},
{ 0x0c, 0x50, FALSE, 0x058, 0x000, { {rsp,0x060}, {rbx,0x050}, {rbp,0x048}, {rsi,0x040}, {rdi,0x038}, {r12,0x030}, {-1,-1} }},
{ 0x10, 0x50, FALSE, 0x028, 0x000, { {rsp,0x030}, {rbx,0x020}, {rbp,0x018}, {rsi,0x010}, {rdi,0x008}, {r12,0x000}, {-1,-1} }},
{ 0x12, 0x50, FALSE, 0x020, 0x000, { {rsp,0x028}, {rbx,0x018}, {rbp,0x010}, {rsi,0x008}, {rdi,0x000}, {-1,-1} }},
{ 0x13, 0x50, FALSE, 0x018, 0x000, { {rsp,0x020}, {rbx,0x010}, {rbp,0x008}, {rsi,0x000}, {-1,-1} }},
{ 0x14, 0x50, FALSE, 0x010, 0x000, { {rsp,0x018}, {rbx,0x008}, {rbp,0x000}, {-1,-1} }},
{ 0x15, 0x50, FALSE, 0x008, 0x000, { {rsp,0x010}, {rbx,0x000}, {-1,-1} }},
{ 0x16, 0x50, FALSE, 0x000, 0x000, { {rsp,0x008}, {-1,-1} }},
};
static const struct unwind_test tests[] =
{
{ function_0, sizeof(function_0), unwind_info_0,
results_0, sizeof(results_0)/sizeof(results_0[0]) },
{ function_1, sizeof(function_1), unwind_info_1,
results_1, sizeof(results_1)/sizeof(results_1[0]) }
};
unsigned int i;
for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
call_virtual_unwind( i, &tests[i] );
}
static int consolidate_dummy_called;
static PVOID CALLBACK test_consolidate_dummy(EXCEPTION_RECORD *rec)
{
CONTEXT *ctx = (CONTEXT *)rec->ExceptionInformation[1];
consolidate_dummy_called = 1;
ok(ctx->Rip == 0xdeadbeef, "test_consolidate_dummy failed for Rip, expected: 0xdeadbeef, got: %lx\n", ctx->Rip);
return (PVOID)rec->ExceptionInformation[2];
}
static void test_restore_context(void)
{
SETJMP_FLOAT128 *fltsave;
EXCEPTION_RECORD rec;
_JUMP_BUFFER buf;
CONTEXT ctx;
int i, pass;
if (!pRtlUnwindEx || !pRtlRestoreContext || !pRtlCaptureContext || !p_setjmp)
{
skip("RtlUnwindEx/RtlCaptureContext/RtlRestoreContext/_setjmp not found\n");
return;
}
/* RtlRestoreContext(NULL, NULL); crashes on Windows */
/* test simple case of capture and restore context */
pass = 0;
InterlockedIncrement(&pass); /* interlocked to prevent compiler from moving after capture */
pRtlCaptureContext(&ctx);
if (InterlockedIncrement(&pass) == 2) /* interlocked to prevent compiler from moving before capture */
{
pRtlRestoreContext(&ctx, NULL);
ok(0, "shouldn't be reached\n");
}
else
ok(pass < 4, "unexpected pass %d\n", pass);
/* test with jmp using RltRestoreContext */
pass = 0;
InterlockedIncrement(&pass);
RtlCaptureContext(&ctx);
InterlockedIncrement(&pass); /* only called once */
p_setjmp(&buf);
InterlockedIncrement(&pass);
if (pass == 3)
{
rec.ExceptionCode = STATUS_LONGJUMP;
rec.NumberParameters = 1;
rec.ExceptionInformation[0] = (DWORD64)&buf;
/* uses buf.Rip instead of ctx.Rip */
pRtlRestoreContext(&ctx, &rec);
ok(0, "shouldn't be reached\n");
}
else if (pass == 4)
{
ok(buf.Rbx == ctx.Rbx, "longjmp failed for Rbx, expected: %lx, got: %lx\n", buf.Rbx, ctx.Rbx);
ok(buf.Rsp == ctx.Rsp, "longjmp failed for Rsp, expected: %lx, got: %lx\n", buf.Rsp, ctx.Rsp);
ok(buf.Rbp == ctx.Rbp, "longjmp failed for Rbp, expected: %lx, got: %lx\n", buf.Rbp, ctx.Rbp);
ok(buf.Rsi == ctx.Rsi, "longjmp failed for Rsi, expected: %lx, got: %lx\n", buf.Rsi, ctx.Rsi);
ok(buf.Rdi == ctx.Rdi, "longjmp failed for Rdi, expected: %lx, got: %lx\n", buf.Rdi, ctx.Rdi);
ok(buf.R12 == ctx.R12, "longjmp failed for R12, expected: %lx, got: %lx\n", buf.R12, ctx.R12);
ok(buf.R13 == ctx.R13, "longjmp failed for R13, expected: %lx, got: %lx\n", buf.R13, ctx.R13);
ok(buf.R14 == ctx.R14, "longjmp failed for R14, expected: %lx, got: %lx\n", buf.R14, ctx.R14);
ok(buf.R15 == ctx.R15, "longjmp failed for R15, expected: %lx, got: %lx\n", buf.R15, ctx.R15);
fltsave = &buf.Xmm6;
for (i = 0; i < 10; i++)
{
ok(fltsave[i].Part[0] == ctx.u.FltSave.XmmRegisters[i + 6].Low,
"longjmp failed for Xmm%d, expected %lx, got %lx\n", i + 6,
fltsave[i].Part[0], ctx.u.FltSave.XmmRegisters[i + 6].Low);
ok(fltsave[i].Part[1] == ctx.u.FltSave.XmmRegisters[i + 6].High,
"longjmp failed for Xmm%d, expected %lx, got %lx\n", i + 6,
fltsave[i].Part[1], ctx.u.FltSave.XmmRegisters[i + 6].High);
}
}
else
ok(0, "unexpected pass %d\n", pass);
/* test with jmp through RtlUnwindEx */
pass = 0;
InterlockedIncrement(&pass);
pRtlCaptureContext(&ctx);
InterlockedIncrement(&pass); /* only called once */
p_setjmp(&buf);
InterlockedIncrement(&pass);
if (pass == 3)
{
rec.ExceptionCode = STATUS_LONGJUMP;
rec.NumberParameters = 1;
rec.ExceptionInformation[0] = (DWORD64)&buf;
/* uses buf.Rip instead of bogus 0xdeadbeef */
pRtlUnwindEx((void*)buf.Rsp, (void*)0xdeadbeef, &rec, NULL, &ctx, NULL);
ok(0, "shouldn't be reached\n");
}
else
ok(pass == 4, "unexpected pass %d\n", pass);
/* test with consolidate */
pass = 0;
InterlockedIncrement(&pass);
RtlCaptureContext(&ctx);
InterlockedIncrement(&pass);
if (pass == 2)
{
rec.ExceptionCode = STATUS_UNWIND_CONSOLIDATE;
rec.NumberParameters = 3;
rec.ExceptionInformation[0] = (DWORD64)test_consolidate_dummy;
rec.ExceptionInformation[1] = (DWORD64)&ctx;
rec.ExceptionInformation[2] = ctx.Rip;
ctx.Rip = 0xdeadbeef;
pRtlRestoreContext(&ctx, &rec);
ok(0, "shouldn't be reached\n");
}
else if (pass == 3)
ok(consolidate_dummy_called, "test_consolidate_dummy not called\n");
else
ok(0, "unexpected pass %d\n", pass);
}
static RUNTIME_FUNCTION* CALLBACK dynamic_unwind_callback( DWORD64 pc, PVOID context )
{
static const int code_offset = 1024;
static RUNTIME_FUNCTION runtime_func;
(*(DWORD *)context)++;
runtime_func.BeginAddress = code_offset + 16;
runtime_func.EndAddress = code_offset + 32;
runtime_func.UnwindData = 0;
return &runtime_func;
}
static void test_dynamic_unwind(void)
{
static const int code_offset = 1024;
char buf[sizeof(RUNTIME_FUNCTION) + 4];
RUNTIME_FUNCTION *runtime_func, *func;
ULONG_PTR table, base;
DWORD count;
/* Test RtlAddFunctionTable with aligned RUNTIME_FUNCTION pointer */
runtime_func = (RUNTIME_FUNCTION *)buf;
runtime_func->BeginAddress = code_offset;
runtime_func->EndAddress = code_offset + 16;
runtime_func->UnwindData = 0;
ok( pRtlAddFunctionTable( runtime_func, 1, (ULONG_PTR)code_mem ),
"RtlAddFunctionTable failed for runtime_func = %p (aligned)\n", runtime_func );
/* Lookup function outside of any function table */
base = 0xdeadbeef;
func = pRtlLookupFunctionEntry( (ULONG_PTR)code_mem + code_offset + 16, &base, NULL );
ok( func == NULL,
"RtlLookupFunctionEntry returned unexpected function, expected: NULL, got: %p\n", func );
ok( !base || broken(base == 0xdeadbeef),
"RtlLookupFunctionEntry modified base address, expected: 0, got: %lx\n", base );
/* Test with pointer inside of our function */
base = 0xdeadbeef;
func = pRtlLookupFunctionEntry( (ULONG_PTR)code_mem + code_offset + 8, &base, NULL );
ok( func == runtime_func,
"RtlLookupFunctionEntry didn't return expected function, expected: %p, got: %p\n", runtime_func, func );
ok( base == (ULONG_PTR)code_mem,
"RtlLookupFunctionEntry returned invalid base, expected: %lx, got: %lx\n", (ULONG_PTR)code_mem, base );
/* Test RtlDeleteFunctionTable */
ok( pRtlDeleteFunctionTable( runtime_func ),
"RtlDeleteFunctionTable failed for runtime_func = %p (aligned)\n", runtime_func );
ok( !pRtlDeleteFunctionTable( runtime_func ),
"RtlDeleteFunctionTable returned success for nonexistent table runtime_func = %p\n", runtime_func );
/* Unaligned RUNTIME_FUNCTION pointer */
runtime_func = (RUNTIME_FUNCTION *)((ULONG_PTR)buf | 0x3);
runtime_func->BeginAddress = code_offset;
runtime_func->EndAddress = code_offset + 16;
runtime_func->UnwindData = 0;
ok( pRtlAddFunctionTable( runtime_func, 1, (ULONG_PTR)code_mem ),
"RtlAddFunctionTable failed for runtime_func = %p (unaligned)\n", runtime_func );
ok( pRtlDeleteFunctionTable( runtime_func ),
"RtlDeleteFunctionTable failed for runtime_func = %p (unaligned)\n", runtime_func );
/* Attempt to insert the same entry twice */
runtime_func = (RUNTIME_FUNCTION *)buf;
runtime_func->BeginAddress = code_offset;
runtime_func->EndAddress = code_offset + 16;
runtime_func->UnwindData = 0;
ok( pRtlAddFunctionTable( runtime_func, 1, (ULONG_PTR)code_mem ),
"RtlAddFunctionTable failed for runtime_func = %p (first attempt)\n", runtime_func );
ok( pRtlAddFunctionTable( runtime_func, 1, (ULONG_PTR)code_mem ),
"RtlAddFunctionTable failed for runtime_func = %p (second attempt)\n", runtime_func );
ok( pRtlDeleteFunctionTable( runtime_func ),
"RtlDeleteFunctionTable failed for runtime_func = %p (first attempt)\n", runtime_func );
ok( pRtlDeleteFunctionTable( runtime_func ),
"RtlDeleteFunctionTable failed for runtime_func = %p (second attempt)\n", runtime_func );
ok( !pRtlDeleteFunctionTable( runtime_func ),
"RtlDeleteFunctionTable returned success for nonexistent table runtime_func = %p\n", runtime_func );
/* Test RtlInstallFunctionTableCallback with both low bits unset */
table = (ULONG_PTR)code_mem;
ok( !pRtlInstallFunctionTableCallback( table, (ULONG_PTR)code_mem, code_offset + 32, &dynamic_unwind_callback, (PVOID*)&count, NULL ),
"RtlInstallFunctionTableCallback returned success for table = %lx\n", table );
/* Test RtlInstallFunctionTableCallback with both low bits set */
table = (ULONG_PTR)code_mem | 0x3;
ok( pRtlInstallFunctionTableCallback( table, (ULONG_PTR)code_mem, code_offset + 32, &dynamic_unwind_callback, (PVOID*)&count, NULL ),
"RtlInstallFunctionTableCallback failed for table = %lx\n", table );
/* Lookup function outside of any function table */
count = 0;
base = 0xdeadbeef;
func = pRtlLookupFunctionEntry( (ULONG_PTR)code_mem + code_offset + 32, &base, NULL );
ok( func == NULL,
"RtlLookupFunctionEntry returned unexpected function, expected: NULL, got: %p\n", func );
ok( !base || broken(base == 0xdeadbeef),
"RtlLookupFunctionEntry modified base address, expected: 0, got: %lx\n", base );
ok( !count,
"RtlLookupFunctionEntry issued %d unexpected calls to dynamic_unwind_callback\n", count );
/* Test with pointer inside of our function */
count = 0;
base = 0xdeadbeef;
func = pRtlLookupFunctionEntry( (ULONG_PTR)code_mem + code_offset + 24, &base, NULL );
ok( func != NULL && func->BeginAddress == code_offset + 16 && func->EndAddress == code_offset + 32,
"RtlLookupFunctionEntry didn't return expected function, got: %p\n", func );
ok( base == (ULONG_PTR)code_mem,
"RtlLookupFunctionEntry returned invalid base, expected: %lx, got: %lx\n", (ULONG_PTR)code_mem, base );
ok( count == 1,
"RtlLookupFunctionEntry issued %d calls to dynamic_unwind_callback, expected: 1\n", count );
/* Clean up again */
ok( pRtlDeleteFunctionTable( (PRUNTIME_FUNCTION)table ),
"RtlDeleteFunctionTable failed for table = %p\n", (PVOID)table );
ok( !pRtlDeleteFunctionTable( (PRUNTIME_FUNCTION)table ),
"RtlDeleteFunctionTable returned success for nonexistent table = %p\n", (PVOID)table );
}
static int termination_handler_called;
static void WINAPI termination_handler(ULONG flags, ULONG64 frame)
{
termination_handler_called++;
ok(flags == 1 || broken(flags == 0x401), "flags = %x\n", flags);
ok(frame == 0x1234, "frame = %p\n", (void*)frame);
}
static void test___C_specific_handler(void)
{
DISPATCHER_CONTEXT dispatch;
EXCEPTION_RECORD rec;
CONTEXT context;
ULONG64 frame;
EXCEPTION_DISPOSITION ret;
SCOPE_TABLE scope_table;
if (!p__C_specific_handler)
{
win_skip("__C_specific_handler not available\n");
return;
}
memset(&rec, 0, sizeof(rec));
rec.ExceptionFlags = 2; /* EH_UNWINDING */
frame = 0x1234;
memset(&dispatch, 0, sizeof(dispatch));
dispatch.ImageBase = (ULONG_PTR)GetModuleHandleA(NULL);
dispatch.ControlPc = dispatch.ImageBase + 0x200;
dispatch.HandlerData = &scope_table;
dispatch.ContextRecord = &context;
scope_table.Count = 1;
scope_table.ScopeRecord[0].BeginAddress = 0x200;
scope_table.ScopeRecord[0].EndAddress = 0x400;
scope_table.ScopeRecord[0].HandlerAddress = (ULONG_PTR)termination_handler-dispatch.ImageBase;
scope_table.ScopeRecord[0].JumpTarget = 0;
memset(&context, 0, sizeof(context));
termination_handler_called = 0;
ret = p__C_specific_handler(&rec, frame, &context, &dispatch);
ok(ret == ExceptionContinueSearch, "__C_specific_handler returned %x\n", ret);
ok(termination_handler_called == 1, "termination_handler_called = %d\n",
termination_handler_called);
ok(dispatch.ScopeIndex == 1, "dispatch.ScopeIndex = %d\n", dispatch.ScopeIndex);
ret = p__C_specific_handler(&rec, frame, &context, &dispatch);
ok(ret == ExceptionContinueSearch, "__C_specific_handler returned %x\n", ret);
ok(termination_handler_called == 1, "termination_handler_called = %d\n",
termination_handler_called);
ok(dispatch.ScopeIndex == 1, "dispatch.ScopeIndex = %d\n", dispatch.ScopeIndex);
}
#endif /* __x86_64__ */
#if defined(__i386__) || defined(__x86_64__)
static void test_debug_registers(void)
{
static const struct
{
ULONG_PTR dr0, dr1, dr2, dr3, dr6, dr7;
}
tests[] =
{
{ 0x42424240, 0, 0x126bb070, 0x0badbad0, 0, 0xffff0115 },
{ 0x42424242, 0, 0x100f0fe7, 0x0abebabe, 0, 0x115 },
};
NTSTATUS status;
CONTEXT ctx;
int i;
for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++)
{
memset(&ctx, 0, sizeof(ctx));
ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
ctx.Dr0 = tests[i].dr0;
ctx.Dr1 = tests[i].dr1;
ctx.Dr2 = tests[i].dr2;
ctx.Dr3 = tests[i].dr3;
ctx.Dr6 = tests[i].dr6;
ctx.Dr7 = tests[i].dr7;
status = pNtSetContextThread(GetCurrentThread(), &ctx);
ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %08x\n", status);
memset(&ctx, 0, sizeof(ctx));
ctx.ContextFlags = CONTEXT_DEBUG_REGISTERS;
status = pNtGetContextThread(GetCurrentThread(), &ctx);
ok(status == STATUS_SUCCESS, "NtGetContextThread failed with %08x\n", status);
ok(ctx.Dr0 == tests[i].dr0, "test %d: expected %lx, got %lx\n", i, tests[i].dr0, (DWORD_PTR)ctx.Dr0);
ok(ctx.Dr1 == tests[i].dr1, "test %d: expected %lx, got %lx\n", i, tests[i].dr1, (DWORD_PTR)ctx.Dr1);
ok(ctx.Dr2 == tests[i].dr2, "test %d: expected %lx, got %lx\n", i, tests[i].dr2, (DWORD_PTR)ctx.Dr2);
ok(ctx.Dr3 == tests[i].dr3, "test %d: expected %lx, got %lx\n", i, tests[i].dr3, (DWORD_PTR)ctx.Dr3);
ok((ctx.Dr6 & 0xf00f) == tests[i].dr6, "test %d: expected %lx, got %lx\n", i, tests[i].dr6, (DWORD_PTR)ctx.Dr6);
ok((ctx.Dr7 & ~0xdc00) == tests[i].dr7, "test %d: expected %lx, got %lx\n", i, tests[i].dr7, (DWORD_PTR)ctx.Dr7);
}
}
static DWORD outputdebugstring_exceptions;
static LONG CALLBACK outputdebugstring_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo)
{
PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord;
trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress);
ok(rec->ExceptionCode == DBG_PRINTEXCEPTION_C, "ExceptionCode is %08x instead of %08x\n",
rec->ExceptionCode, DBG_PRINTEXCEPTION_C);
ok(rec->NumberParameters == 2, "ExceptionParameters is %d instead of 2\n", rec->NumberParameters);
ok(rec->ExceptionInformation[0] == 12, "ExceptionInformation[0] = %d instead of 12\n", (DWORD)rec->ExceptionInformation[0]);
ok(!strcmp((char *)rec->ExceptionInformation[1], "Hello World"),
"ExceptionInformation[1] = '%s' instead of 'Hello World'\n", (char *)rec->ExceptionInformation[1]);
outputdebugstring_exceptions++;
return EXCEPTION_CONTINUE_SEARCH;
}
static void test_outputdebugstring(DWORD numexc, BOOL todo)
{
PVOID vectored_handler;
if (!pRtlAddVectoredExceptionHandler || !pRtlRemoveVectoredExceptionHandler)
{
skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler not found\n");
return;
}
vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &outputdebugstring_vectored_handler);
ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
outputdebugstring_exceptions = 0;
OutputDebugStringA("Hello World");
todo_wine_if(todo)
ok(outputdebugstring_exceptions == numexc, "OutputDebugStringA generated %d exceptions, expected %d\n",
outputdebugstring_exceptions, numexc);
pRtlRemoveVectoredExceptionHandler(vectored_handler);
}
static DWORD ripevent_exceptions;
static LONG CALLBACK ripevent_vectored_handler(EXCEPTION_POINTERS *ExceptionInfo)
{
PEXCEPTION_RECORD rec = ExceptionInfo->ExceptionRecord;
trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress);
ok(rec->ExceptionCode == DBG_RIPEXCEPTION, "ExceptionCode is %08x instead of %08x\n",
rec->ExceptionCode, DBG_RIPEXCEPTION);
ok(rec->NumberParameters == 2, "ExceptionParameters is %d instead of 2\n", rec->NumberParameters);
ok(rec->ExceptionInformation[0] == 0x11223344, "ExceptionInformation[0] = %08x instead of %08x\n",
(NTSTATUS)rec->ExceptionInformation[0], 0x11223344);
ok(rec->ExceptionInformation[1] == 0x55667788, "ExceptionInformation[1] = %08x instead of %08x\n",
(NTSTATUS)rec->ExceptionInformation[1], 0x55667788);
ripevent_exceptions++;
return (rec->ExceptionCode == DBG_RIPEXCEPTION) ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_CONTINUE_SEARCH;
}
static void test_ripevent(DWORD numexc)
{
EXCEPTION_RECORD record;
PVOID vectored_handler;
if (!pRtlAddVectoredExceptionHandler || !pRtlRemoveVectoredExceptionHandler || !pRtlRaiseException)
{
skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler or RtlRaiseException not found\n");
return;
}
vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &ripevent_vectored_handler);
ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
record.ExceptionCode = DBG_RIPEXCEPTION;
record.ExceptionFlags = 0;
record.ExceptionRecord = NULL;
record.ExceptionAddress = NULL;
record.NumberParameters = 2;
record.ExceptionInformation[0] = 0x11223344;
record.ExceptionInformation[1] = 0x55667788;
ripevent_exceptions = 0;
pRtlRaiseException(&record);
ok(ripevent_exceptions == numexc, "RtlRaiseException generated %d exceptions, expected %d\n",
ripevent_exceptions, numexc);
pRtlRemoveVectoredExceptionHandler(vectored_handler);
}
static DWORD debug_service_exceptions;
static LONG CALLBACK debug_service_handler(EXCEPTION_POINTERS *ExceptionInfo)
{
EXCEPTION_RECORD *rec = ExceptionInfo->ExceptionRecord;
trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress);
ok(rec->ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode is %08x instead of %08x\n",
rec->ExceptionCode, EXCEPTION_BREAKPOINT);
#ifdef __i386__
ok(ExceptionInfo->ContextRecord->Eip == (DWORD)code_mem + 0x1c,
"expected Eip = %x, got %x\n", (DWORD)code_mem + 0x1c, ExceptionInfo->ContextRecord->Eip);
ok(rec->NumberParameters == (is_wow64 ? 1 : 3),
"ExceptionParameters is %d instead of %d\n", rec->NumberParameters, is_wow64 ? 1 : 3);
ok(rec->ExceptionInformation[0] == ExceptionInfo->ContextRecord->Eax,
"expected ExceptionInformation[0] = %x, got %lx\n",
ExceptionInfo->ContextRecord->Eax, rec->ExceptionInformation[0]);
if (!is_wow64)
{
ok(rec->ExceptionInformation[1] == 0x11111111,
"got ExceptionInformation[1] = %lx\n", rec->ExceptionInformation[1]);
ok(rec->ExceptionInformation[2] == 0x22222222,
"got ExceptionInformation[2] = %lx\n", rec->ExceptionInformation[2]);
}
#else
ok(ExceptionInfo->ContextRecord->Rip == (DWORD_PTR)code_mem + 0x2f,
"expected Rip = %lx, got %lx\n", (DWORD_PTR)code_mem + 0x2f, ExceptionInfo->ContextRecord->Rip);
ok(rec->NumberParameters == 1,
"ExceptionParameters is %d instead of 1\n", rec->NumberParameters);
ok(rec->ExceptionInformation[0] == ExceptionInfo->ContextRecord->Rax,
"expected ExceptionInformation[0] = %lx, got %lx\n",
ExceptionInfo->ContextRecord->Rax, rec->ExceptionInformation[0]);
#endif
debug_service_exceptions++;
return (rec->ExceptionCode == EXCEPTION_BREAKPOINT) ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_CONTINUE_SEARCH;
}
#ifdef __i386__
static const BYTE call_debug_service_code[] = {
0x53, /* pushl %ebx */
0x57, /* pushl %edi */
0x8b, 0x44, 0x24, 0x0c, /* movl 12(%esp),%eax */
0xb9, 0x11, 0x11, 0x11, 0x11, /* movl $0x11111111,%ecx */
0xba, 0x22, 0x22, 0x22, 0x22, /* movl $0x22222222,%edx */
0xbb, 0x33, 0x33, 0x33, 0x33, /* movl $0x33333333,%ebx */
0xbf, 0x44, 0x44, 0x44, 0x44, /* movl $0x44444444,%edi */
0xcd, 0x2d, /* int $0x2d */
0xeb, /* jmp $+17 */
0x0f, 0x1f, 0x00, /* nop */
0x31, 0xc0, /* xorl %eax,%eax */
0xeb, 0x0c, /* jmp $+14 */
0x90, 0x90, 0x90, 0x90, /* nop */
0x90, 0x90, 0x90, 0x90,
0x90,
0x31, 0xc0, /* xorl %eax,%eax */
0x40, /* incl %eax */
0x5f, /* popl %edi */
0x5b, /* popl %ebx */
0xc3, /* ret */
};
#else
static const BYTE call_debug_service_code[] = {
0x53, /* push %rbx */
0x57, /* push %rdi */
0x48, 0x89, 0xc8, /* movl %rcx,%rax */
0x48, 0xb9, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, 0x11, /* movabs $0x1111111111111111,%rcx */
0x48, 0xba, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, 0x22, /* movabs $0x2222222222222222,%rdx */
0x48, 0xbb, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, /* movabs $0x3333333333333333,%rbx */
0x48, 0xbf, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, 0x44, /* movabs $0x4444444444444444,%rdi */
0xcd, 0x2d, /* int $0x2d */
0xeb, /* jmp $+17 */
0x0f, 0x1f, 0x00, /* nop */
0x48, 0x31, 0xc0, /* xor %rax,%rax */
0xeb, 0x0e, /* jmp $+16 */
0x90, 0x90, 0x90, 0x90, /* nop */
0x90, 0x90, 0x90, 0x90,
0x48, 0x31, 0xc0, /* xor %rax,%rax */
0x48, 0xff, 0xc0, /* inc %rax */
0x5f, /* pop %rdi */
0x5b, /* pop %rbx */
0xc3, /* ret */
};
#endif
static void test_debug_service(DWORD numexc)
{
DWORD (CDECL *func)(DWORD_PTR) = code_mem;
DWORD expected_exc, expected_ret;
void *vectored_handler;
DWORD ret;
/* code will return 0 if execution resumes immediately after "int $0x2d", otherwise 1 */
memcpy(code_mem, call_debug_service_code, sizeof(call_debug_service_code));
vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &debug_service_handler);
ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
expected_exc = numexc;
expected_ret = (numexc != 0);
/* BREAKPOINT_BREAK */
debug_service_exceptions = 0;
ret = func(0);
ok(debug_service_exceptions == expected_exc,
"BREAKPOINT_BREAK generated %u exceptions, expected %u\n",
debug_service_exceptions, expected_exc);
ok(ret == expected_ret,
"BREAKPOINT_BREAK returned %u, expected %u\n", ret, expected_ret);
/* BREAKPOINT_PROMPT */
debug_service_exceptions = 0;
ret = func(2);
ok(debug_service_exceptions == expected_exc,
"BREAKPOINT_PROMPT generated %u exceptions, expected %u\n",
debug_service_exceptions, expected_exc);
ok(ret == expected_ret,
"BREAKPOINT_PROMPT returned %u, expected %u\n", ret, expected_ret);
/* invalid debug service */
debug_service_exceptions = 0;
ret = func(6);
ok(debug_service_exceptions == expected_exc,
"invalid debug service generated %u exceptions, expected %u\n",
debug_service_exceptions, expected_exc);
ok(ret == expected_ret,
"invalid debug service returned %u, expected %u\n", ret, expected_ret);
expected_exc = (is_wow64 ? numexc : 0);
expected_ret = (is_wow64 && numexc);
/* BREAKPOINT_PRINT */
debug_service_exceptions = 0;
ret = func(1);
ok(debug_service_exceptions == expected_exc,
"BREAKPOINT_PRINT generated %u exceptions, expected %u\n",
debug_service_exceptions, expected_exc);
ok(ret == expected_ret,
"BREAKPOINT_PRINT returned %u, expected %u\n", ret, expected_ret);
/* BREAKPOINT_LOAD_SYMBOLS */
debug_service_exceptions = 0;
ret = func(3);
ok(debug_service_exceptions == expected_exc,
"BREAKPOINT_LOAD_SYMBOLS generated %u exceptions, expected %u\n",
debug_service_exceptions, expected_exc);
ok(ret == expected_ret,
"BREAKPOINT_LOAD_SYMBOLS returned %u, expected %u\n", ret, expected_ret);
/* BREAKPOINT_UNLOAD_SYMBOLS */
debug_service_exceptions = 0;
ret = func(4);
ok(debug_service_exceptions == expected_exc,
"BREAKPOINT_UNLOAD_SYMBOLS generated %u exceptions, expected %u\n",
debug_service_exceptions, expected_exc);
ok(ret == expected_ret,
"BREAKPOINT_UNLOAD_SYMBOLS returned %u, expected %u\n", ret, expected_ret);
/* BREAKPOINT_COMMAND_STRING */
debug_service_exceptions = 0;
ret = func(5);
ok(debug_service_exceptions == expected_exc || broken(debug_service_exceptions == numexc),
"BREAKPOINT_COMMAND_STRING generated %u exceptions, expected %u\n",
debug_service_exceptions, expected_exc);
ok(ret == expected_ret || broken(ret == (numexc != 0)),
"BREAKPOINT_COMMAND_STRING returned %u, expected %u\n", ret, expected_ret);
pRtlRemoveVectoredExceptionHandler(vectored_handler);
}
static DWORD breakpoint_exceptions;
static LONG CALLBACK breakpoint_handler(EXCEPTION_POINTERS *ExceptionInfo)
{
EXCEPTION_RECORD *rec = ExceptionInfo->ExceptionRecord;
trace("vect. handler %08x addr:%p\n", rec->ExceptionCode, rec->ExceptionAddress);
ok(rec->ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode is %08x instead of %08x\n",
rec->ExceptionCode, EXCEPTION_BREAKPOINT);
#ifdef __i386__
ok(ExceptionInfo->ContextRecord->Eip == (DWORD)code_mem + 1,
"expected Eip = %x, got %x\n", (DWORD)code_mem + 1, ExceptionInfo->ContextRecord->Eip);
ok(rec->NumberParameters == (is_wow64 ? 1 : 3),
"ExceptionParameters is %d instead of %d\n", rec->NumberParameters, is_wow64 ? 1 : 3);
ok(rec->ExceptionInformation[0] == 0,
"got ExceptionInformation[0] = %lx\n", rec->ExceptionInformation[0]);
ExceptionInfo->ContextRecord->Eip = (DWORD)code_mem + 2;
#else
ok(ExceptionInfo->ContextRecord->Rip == (DWORD_PTR)code_mem + 1,
"expected Rip = %lx, got %lx\n", (DWORD_PTR)code_mem + 1, ExceptionInfo->ContextRecord->Rip);
ok(rec->NumberParameters == 1,
"ExceptionParameters is %d instead of 1\n", rec->NumberParameters);
ok(rec->ExceptionInformation[0] == 0,
"got ExceptionInformation[0] = %lx\n", rec->ExceptionInformation[0]);
ExceptionInfo->ContextRecord->Rip = (DWORD_PTR)code_mem + 2;
#endif
breakpoint_exceptions++;
return (rec->ExceptionCode == EXCEPTION_BREAKPOINT) ? EXCEPTION_CONTINUE_EXECUTION : EXCEPTION_CONTINUE_SEARCH;
}
static const BYTE breakpoint_code[] = {
0xcd, 0x03, /* int $0x3 */
0xc3, /* ret */
};
static void test_breakpoint(DWORD numexc)
{
DWORD (CDECL *func)(void) = code_mem;
void *vectored_handler;
memcpy(code_mem, breakpoint_code, sizeof(breakpoint_code));
vectored_handler = pRtlAddVectoredExceptionHandler(TRUE, &breakpoint_handler);
ok(vectored_handler != 0, "RtlAddVectoredExceptionHandler failed\n");
breakpoint_exceptions = 0;
func();
ok(breakpoint_exceptions == numexc, "int $0x3 generated %u exceptions, expected %u\n",
breakpoint_exceptions, numexc);
pRtlRemoveVectoredExceptionHandler(vectored_handler);
}
static void test_vectored_continue_handler(void)
{
PVOID handler1, handler2;
ULONG ret;
if (!pRtlAddVectoredContinueHandler || !pRtlRemoveVectoredContinueHandler)
{
skip("RtlAddVectoredContinueHandler or RtlRemoveVectoredContinueHandler not found\n");
return;
}
handler1 = pRtlAddVectoredContinueHandler(TRUE, (void *)0xdeadbeef);
ok(handler1 != 0, "RtlAddVectoredContinueHandler failed\n");
handler2 = pRtlAddVectoredContinueHandler(TRUE, (void *)0xdeadbeef);
ok(handler2 != 0, "RtlAddVectoredContinueHandler failed\n");
ok(handler1 != handler2, "RtlAddVectoredContinueHandler returned same handler\n");
if (pRtlRemoveVectoredExceptionHandler)
{
ret = pRtlRemoveVectoredExceptionHandler(handler1);
ok(!ret, "RtlRemoveVectoredExceptionHandler succeeded\n");
}
ret = pRtlRemoveVectoredContinueHandler(handler1);
ok(ret, "RtlRemoveVectoredContinueHandler failed\n");
ret = pRtlRemoveVectoredContinueHandler(handler2);
ok(ret, "RtlRemoveVectoredContinueHandler failed\n");
ret = pRtlRemoveVectoredContinueHandler(handler1);
ok(!ret, "RtlRemoveVectoredContinueHandler succeeded\n");
ret = pRtlRemoveVectoredContinueHandler((void *)0x11223344);
ok(!ret, "RtlRemoveVectoredContinueHandler succeeded\n");
}
#endif /* defined(__i386__) || defined(__x86_64__) */
START_TEST(exception)
{
HMODULE hntdll = GetModuleHandleA("ntdll.dll");
#if defined(__x86_64__)
HMODULE hmsvcrt = LoadLibraryA("msvcrt.dll");
#endif
code_mem = VirtualAlloc(NULL, 65536, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE);
if(!code_mem) {
trace("VirtualAlloc failed\n");
return;
}
pNtGetContextThread = (void *)GetProcAddress( hntdll, "NtGetContextThread" );
pNtSetContextThread = (void *)GetProcAddress( hntdll, "NtSetContextThread" );
pNtReadVirtualMemory = (void *)GetProcAddress( hntdll, "NtReadVirtualMemory" );
pRtlUnwind = (void *)GetProcAddress( hntdll, "RtlUnwind" );
pRtlRaiseException = (void *)GetProcAddress( hntdll, "RtlRaiseException" );
pNtTerminateProcess = (void *)GetProcAddress( hntdll, "NtTerminateProcess" );
pRtlAddVectoredExceptionHandler = (void *)GetProcAddress( hntdll,
"RtlAddVectoredExceptionHandler" );
pRtlRemoveVectoredExceptionHandler = (void *)GetProcAddress( hntdll,
"RtlRemoveVectoredExceptionHandler" );
pRtlAddVectoredContinueHandler = (void *)GetProcAddress( hntdll,
"RtlAddVectoredContinueHandler" );
pRtlRemoveVectoredContinueHandler = (void *)GetProcAddress( hntdll,
"RtlRemoveVectoredContinueHandler" );
pNtQueryInformationProcess = (void*)GetProcAddress( hntdll,
"NtQueryInformationProcess" );
pNtSetInformationProcess = (void*)GetProcAddress( hntdll,
"NtSetInformationProcess" );
pIsWow64Process = (void *)GetProcAddress(GetModuleHandleA("kernel32.dll"), "IsWow64Process");
#ifdef __i386__
if (!pIsWow64Process || !pIsWow64Process( GetCurrentProcess(), &is_wow64 )) is_wow64 = FALSE;
if (pRtlAddVectoredExceptionHandler && pRtlRemoveVectoredExceptionHandler)
have_vectored_api = TRUE;
else
skip("RtlAddVectoredExceptionHandler or RtlRemoveVectoredExceptionHandler not found\n");
my_argc = winetest_get_mainargs( &my_argv );
if (my_argc >= 4)
{
void *addr;
sscanf( my_argv[3], "%p", &addr );
if (addr != &test_stage)
{
skip( "child process not mapped at same address (%p/%p)\n", &test_stage, addr);
return;
}
/* child must be run under a debugger */
if (!NtCurrentTeb()->Peb->BeingDebugged)
{
ok(FALSE, "child process not being debugged?\n");
return;
}
if (pRtlRaiseException)
{
test_stage = 1;
run_rtlraiseexception_test(0x12345);
run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
test_stage = 2;
run_rtlraiseexception_test(0x12345);
run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
test_stage = 3;
test_outputdebugstring(0, FALSE);
test_stage = 4;
test_outputdebugstring(2, TRUE); /* is this a Windows bug? */
test_stage = 5;
test_ripevent(0);
test_stage = 6;
test_ripevent(1);
test_stage = 7;
test_debug_service(0);
test_stage = 8;
test_debug_service(1);
test_stage = 9;
test_breakpoint(0);
test_stage = 10;
test_breakpoint(1);
}
else
skip( "RtlRaiseException not found\n" );
/* rest of tests only run in parent */
return;
}
test_unwind();
test_exceptions();
test_rtlraiseexception();
test_debug_registers();
test_outputdebugstring(1, FALSE);
test_ripevent(1);
test_debug_service(1);
test_breakpoint(1);
test_vectored_continue_handler();
test_debugger();
test_simd_exceptions();
test_fpu_exceptions();
test_dpe_exceptions();
test_prot_fault();
#elif defined(__x86_64__)
pRtlAddFunctionTable = (void *)GetProcAddress( hntdll,
"RtlAddFunctionTable" );
pRtlDeleteFunctionTable = (void *)GetProcAddress( hntdll,
"RtlDeleteFunctionTable" );
pRtlInstallFunctionTableCallback = (void *)GetProcAddress( hntdll,
"RtlInstallFunctionTableCallback" );
pRtlLookupFunctionEntry = (void *)GetProcAddress( hntdll,
"RtlLookupFunctionEntry" );
p__C_specific_handler = (void *)GetProcAddress( hntdll,
"__C_specific_handler" );
pRtlCaptureContext = (void *)GetProcAddress( hntdll,
"RtlCaptureContext" );
pRtlRestoreContext = (void *)GetProcAddress( hntdll,
"RtlRestoreContext" );
pRtlUnwindEx = (void *)GetProcAddress( hntdll,
"RtlUnwindEx" );
p_setjmp = (void *)GetProcAddress( hmsvcrt,
"_setjmp" );
test_debug_registers();
test_outputdebugstring(1, FALSE);
test_ripevent(1);
test_debug_service(1);
test_breakpoint(1);
test_vectored_continue_handler();
test_virtual_unwind();
test___C_specific_handler();
test_restore_context();
if (pRtlAddFunctionTable && pRtlDeleteFunctionTable && pRtlInstallFunctionTableCallback && pRtlLookupFunctionEntry)
test_dynamic_unwind();
else
skip( "Dynamic unwind functions not found\n" );
#endif
VirtualFree(code_mem, 0, MEM_RELEASE);
}