// Compile with /EHa
#include <windows.h>
#include <eh.h>
#include <Psapi.h>
#include <string>
#include <sstream>
class InfoFromSE
{
public:
typedef unsigned int exception_code_t;
static const char* opDescription(const ULONG opcode)
{
switch(opcode) {
case 0: return "read";
case 1: return "write";
case 8: return "user-mode data execution prevention (DEP) violation";
default: return "unknown";
}
}
static const char* seDescription(const exception_code_t& code)
{
switch(code) {
case EXCEPTION_ACCESS_VIOLATION: return "EXCEPTION_ACCESS_VIOLATION" ;
case EXCEPTION_ARRAY_BOUNDS_EXCEEDED: return "EXCEPTION_ARRAY_BOUNDS_EXCEEDED" ;
case EXCEPTION_BREAKPOINT: return "EXCEPTION_BREAKPOINT" ;
case EXCEPTION_DATATYPE_MISALIGNMENT: return "EXCEPTION_DATATYPE_MISALIGNMENT" ;
case EXCEPTION_FLT_DENORMAL_OPERAND: return "EXCEPTION_FLT_DENORMAL_OPERAND" ;
case EXCEPTION_FLT_DIVIDE_BY_ZERO: return "EXCEPTION_FLT_DIVIDE_BY_ZERO" ;
case EXCEPTION_FLT_INEXACT_RESULT: return "EXCEPTION_FLT_INEXACT_RESULT" ;
case EXCEPTION_FLT_INVALID_OPERATION: return "EXCEPTION_FLT_INVALID_OPERATION" ;
case EXCEPTION_FLT_OVERFLOW: return "EXCEPTION_FLT_OVERFLOW" ;
case EXCEPTION_FLT_STACK_CHECK: return "EXCEPTION_FLT_STACK_CHECK" ;
case EXCEPTION_FLT_UNDERFLOW: return "EXCEPTION_FLT_UNDERFLOW" ;
case EXCEPTION_ILLEGAL_INSTRUCTION: return "EXCEPTION_ILLEGAL_INSTRUCTION" ;
case EXCEPTION_IN_PAGE_ERROR: return "EXCEPTION_IN_PAGE_ERROR" ;
case EXCEPTION_INT_DIVIDE_BY_ZERO: return "EXCEPTION_INT_DIVIDE_BY_ZERO" ;
case EXCEPTION_INT_OVERFLOW: return "EXCEPTION_INT_OVERFLOW" ;
case EXCEPTION_INVALID_DISPOSITION: return "EXCEPTION_INVALID_DISPOSITION" ;
case EXCEPTION_NONCONTINUABLE_EXCEPTION: return "EXCEPTION_NONCONTINUABLE_EXCEPTION" ;
case EXCEPTION_PRIV_INSTRUCTION: return "EXCEPTION_PRIV_INSTRUCTION" ;
case EXCEPTION_SINGLE_STEP: return "EXCEPTION_SINGLE_STEP" ;
case EXCEPTION_STACK_OVERFLOW: return "EXCEPTION_STACK_OVERFLOW" ;
default: return "UNKNOWN EXCEPTION" ;
}
}
static std::string information(struct _EXCEPTION_POINTERS* ep, bool has_exception_code = false, exception_code_t code = 0 )
{
HMODULE hm;
::GetModuleHandleEx(GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS, static_cast<LPCTSTR>(ep->ExceptionRecord->ExceptionAddress), &hm);
MODULEINFO mi;
::GetModuleInformation(::GetCurrentProcess(), hm, &mi, sizeof(mi));
char fn[MAX_PATH];
::GetModuleFileNameExA(::GetCurrentProcess(), hm, fn, MAX_PATH);
std::ostringstream oss;
oss << "SE " << (has_exception_code?seDescription(code):"") << " at address 0x" << std::hex << ep->ExceptionRecord->ExceptionAddress << std::dec
<< " inside " << fn << " loaded at base address 0x" << std::hex << mi.lpBaseOfDll << "\n";
if (has_exception_code && (
code == EXCEPTION_ACCESS_VIOLATION ||
code == EXCEPTION_IN_PAGE_ERROR)) {
oss << "Invalid operation: " << opDescription(ep->ExceptionRecord->ExceptionInformation[0]) << " at address 0x" << std::hex << ep->ExceptionRecord->ExceptionInformation[1] << std::dec << "\n";
}
if (has_exception_code && code == EXCEPTION_IN_PAGE_ERROR) {
oss << "Underlying NTSTATUS code that resulted in the exception " << ep->ExceptionRecord->ExceptionInformation[2] << "\n";
}
return oss.str();
}
};
#include <iostream>
#include <exception>
void translator(InfoFromSE::exception_code_t code, struct _EXCEPTION_POINTERS* ep)
{
throw std::exception(InfoFromSE::information(ep,true,code).c_str());
}
int main(int argc, char* argv[])
{
_set_se_translator(translator);
try{
int* p = 0;
std::cout << *p;
}catch(const std::exception& e){
std::cerr << e.what() << "\n";
}
try{
int* p = 0;
*p = 0;
std::cout << *p;
}catch(const std::exception& e){
std::cerr << e.what() << "\n";
}
try{
int a = 42;
volatile int b = 0;
std::cout << a/b;
}catch(const std::exception& e){
std::cerr << e.what() << "\n";
}
return 0;
}
我認爲* *剛纔的代碼和地址是不是特別有用,尤其是ASLR在Vista/Win7上,因爲您沒有記錄模塊基址 – 2010-08-19 18:57:46