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DBG: show some exception names when an exception occurs

This commit is contained in:
Mr. eXoDia 2014-07-07 01:04:46 +02:00
parent 9ade0e3933
commit 1249b04510
3 changed files with 75 additions and 3 deletions
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76
x64_dbg_dbg/debugger.cpp
View File

@ -34,6 +34,7 @@ static bool bSkipExceptions=false;
static bool bBreakOnNextDll=false;
static int ecount=0;
static std::vector<ExceptionRange> ignoredExceptionRange;
static std::map<unsigned int, const char*> exceptionNames;
//Superglobal variables
char sqlitedb[deflen]="";
@ -44,6 +45,67 @@ static void cbStep();
static void cbSystemBreakpoint(void* ExceptionData);
static void cbUserBreakpoint();
void dbginit()
{
exceptionNames.insert(std::make_pair(0x40000005, "STATUS_SEGMENT_NOTIFICATION"));
exceptionNames.insert(std::make_pair(0x4000001C, "STATUS_WX86_UNSIMULATE"));
exceptionNames.insert(std::make_pair(0x4000001D, "STATUS_WX86_CONTINUE"));
exceptionNames.insert(std::make_pair(0x4000001E, "STATUS_WX86_SINGLE_STEP"));
exceptionNames.insert(std::make_pair(0x4000001F, "STATUS_WX86_BREAKPOINT"));
exceptionNames.insert(std::make_pair(0x40000020, "STATUS_WX86_EXCEPTION_CONTINUE"));
exceptionNames.insert(std::make_pair(0x40000021, "STATUS_WX86_EXCEPTION_LASTCHANCE"));
exceptionNames.insert(std::make_pair(0x40000022, "STATUS_WX86_EXCEPTION_CHAIN"));
exceptionNames.insert(std::make_pair(0x40000028, "STATUS_WX86_CREATEWX86TIB"));
exceptionNames.insert(std::make_pair(0x40010003, "DBG_TERMINATE_THREAD"));
exceptionNames.insert(std::make_pair(0x40010004, "DBG_TERMINATE_PROCESS"));
exceptionNames.insert(std::make_pair(0x40010005, "DBG_CONTROL_C"));
exceptionNames.insert(std::make_pair(0x40010006, "DBG_PRINTEXCEPTION_C"));
exceptionNames.insert(std::make_pair(0x40010007, "DBG_RIPEXCEPTION"));
exceptionNames.insert(std::make_pair(0x40010008, "DBG_CONTROL_BREAK"));
exceptionNames.insert(std::make_pair(0x40010009, "DBG_COMMAND_EXCEPTION"));
exceptionNames.insert(std::make_pair(0x80000001, "EXCEPTION_GUARD_PAGE"));
exceptionNames.insert(std::make_pair(0x80000002, "EXCEPTION_DATATYPE_MISALIGNMENT"));
exceptionNames.insert(std::make_pair(0x80000003, "EXCEPTION_BREAKPOINT"));
exceptionNames.insert(std::make_pair(0x80000004, "EXCEPTION_SINGLE_STEP"));
exceptionNames.insert(std::make_pair(0x80000026, "STATUS_LONGJUMP"));
exceptionNames.insert(std::make_pair(0x80000029, "STATUS_UNWIND_CONSOLIDATE"));
exceptionNames.insert(std::make_pair(0x80010001, "DBG_EXCEPTION_NOT_HANDLED"));
exceptionNames.insert(std::make_pair(0xC0000005, "EXCEPTION_ACCESS_VIOLATION"));
exceptionNames.insert(std::make_pair(0xC0000006, "EXCEPTION_IN_PAGE_ERROR"));
exceptionNames.insert(std::make_pair(0xC0000008, "EXCEPTION_INVALID_HANDLE"));
exceptionNames.insert(std::make_pair(0xC000000D, "STATUS_INVALID_PARAMETER"));
exceptionNames.insert(std::make_pair(0xC0000017, "STATUS_NO_MEMORY"));
exceptionNames.insert(std::make_pair(0xC000001D, "EXCEPTION_ILLEGAL_INSTRUCTION"));
exceptionNames.insert(std::make_pair(0xC0000025, "EXCEPTION_NONCONTINUABLE_EXCEPTION"));
exceptionNames.insert(std::make_pair(0xC0000026, "EXCEPTION_INVALID_DISPOSITION"));
exceptionNames.insert(std::make_pair(0xC000008C, "EXCEPTION_ARRAY_BOUNDS_EXCEEDED"));
exceptionNames.insert(std::make_pair(0xC000008D, "EXCEPTION_FLT_DENORMAL_OPERAND"));
exceptionNames.insert(std::make_pair(0xC000008E, "EXCEPTION_FLT_DIVIDE_BY_ZERO"));
exceptionNames.insert(std::make_pair(0xC000008F, "EXCEPTION_FLT_INEXACT_RESULT"));
exceptionNames.insert(std::make_pair(0xC0000090, "EXCEPTION_FLT_INVALID_OPERATION"));
exceptionNames.insert(std::make_pair(0xC0000091, "EXCEPTION_FLT_OVERFLOW"));
exceptionNames.insert(std::make_pair(0xC0000092, "EXCEPTION_FLT_STACK_CHECK"));
exceptionNames.insert(std::make_pair(0xC0000093, "EXCEPTION_FLT_UNDERFLOW"));
exceptionNames.insert(std::make_pair(0xC0000094, "EXCEPTION_INT_DIVIDE_BY_ZERO"));
exceptionNames.insert(std::make_pair(0xC0000095, "EXCEPTION_INT_OVERFLOW"));
exceptionNames.insert(std::make_pair(0xC0000096, "EXCEPTION_PRIV_INSTRUCTION"));
exceptionNames.insert(std::make_pair(0xC00000FD, "EXCEPTION_STACK_OVERFLOW"));
exceptionNames.insert(std::make_pair(0xC0000135, "STATUS_DLL_NOT_FOUND"));
exceptionNames.insert(std::make_pair(0xC0000138, "STATUS_ORDINAL_NOT_FOUND"));
exceptionNames.insert(std::make_pair(0xC0000139, "STATUS_ENTRYPOINT_NOT_FOUND"));
exceptionNames.insert(std::make_pair(0xC000013A, "STATUS_CONTROL_C_EXIT"));
exceptionNames.insert(std::make_pair(0xC0000142, "STATUS_DLL_INIT_FAILED"));
exceptionNames.insert(std::make_pair(0xC000014A, "STATUS_ILLEGAL_FLOAT_CONTEXT"));
exceptionNames.insert(std::make_pair(0xC0000194, "EXCEPTION_POSSIBLE_DEADLOCK"));
exceptionNames.insert(std::make_pair(0xC00002B4, "STATUS_FLOAT_MULTIPLE_FAULTS"));
exceptionNames.insert(std::make_pair(0xC00002B5, "STATUS_FLOAT_MULTIPLE_TRAPS"));
exceptionNames.insert(std::make_pair(0xC00002C5, "STATUS_DATATYPE_MISALIGNMENT_ERROR"));
exceptionNames.insert(std::make_pair(0xC00002C9, "STATUS_REG_NAT_CONSUMPTION"));
exceptionNames.insert(std::make_pair(0xC0000409, "STATUS_STACK_BUFFER_OVERRUN"));
exceptionNames.insert(std::make_pair(0xC0000417, "STATUS_INVALID_CRUNTIME_PARAMETER"));
exceptionNames.insert(std::make_pair(0xC0000420, "STATUS_ASSERTION_FAILURE"));
}
void dbgdisablebpx()
{
std::vector<BREAKPOINT> list;
@ -957,17 +1019,25 @@ static void cbException(EXCEPTION_DEBUG_INFO* ExceptionData)
}
}
}
const char* exceptionName = 0;
if(exceptionNames.count(ExceptionCode))
exceptionName = exceptionNames[ExceptionCode];
if(ExceptionData->dwFirstChance) //first chance exception
{
dprintf("first chance exception on "fhex" (%.8X)!\n", addr,ExceptionCode);
if(exceptionName)
dprintf("first chance exception on "fhex" (%.8X, %s)!\n", addr, ExceptionCode, exceptionName);
else
dprintf("first chance exception on "fhex" (%.8X)!\n", addr, ExceptionCode);
SetNextDbgContinueStatus(DBG_EXCEPTION_NOT_HANDLED);
if(bSkipExceptions || dbgisignoredexception(ExceptionCode))
return;
}
else //lock the exception
{
dprintf("last chance exception on "fhex" (%.8X)!\n", addr, ExceptionCode);
if(exceptionName)
dprintf("last chance exception on "fhex" (%.8X, %s)!\n", addr, ExceptionCode, exceptionName);
else
dprintf("last chance exception on "fhex" (%.8X)!\n", addr, ExceptionCode);
SetNextDbgContinueStatus(DBG_CONTINUE);
}

1
x64_dbg_dbg/debugger.h
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@ -31,6 +31,7 @@ typedef struct _THREADNAME_INFO
#pragma pack(pop)
//functions
void dbginit();
void dbgdisablebpx();
void dbgenablebpx();
bool dbgisrunning();

1
x64_dbg_dbg/x64_dbg.cpp
View File

@ -230,6 +230,7 @@ static void efree_json(void* ptr)
extern "C" DLL_EXPORT const char* _dbg_dbginit()
{
dbginit();
dbgfunctionsinit();
json_set_alloc_funcs(emalloc_json, efree_json);
char dir[deflen]="";