Files
XBMC4Xbox/xbmc/utils/Win32Exception.cpp
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2024-01-08 19:01:29 +00:00

86 lines
2.7 KiB
C++

/*
* Copyright (C) 2005-2013 Team XBMC
* http://xbmc.org
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This Program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with XBMC; see the file COPYING. If not, see
* <http://www.gnu.org/licenses/>.
*
*/
#include "Win32Exception.h"
#include "eh.h"
#include "log.h"
void win32_exception::install_handler()
{
_set_se_translator(win32_exception::translate);
}
void win32_exception::translate(unsigned code, EXCEPTION_POINTERS* info)
{
// Windows guarantees that *(info->ExceptionRecord) is valid
switch (code) {
case EXCEPTION_ACCESS_VIOLATION:
throw access_violation(*(info->ExceptionRecord));
break;
default:
throw win32_exception(*(info->ExceptionRecord));
}
}
win32_exception::win32_exception(const EXCEPTION_RECORD& info)
: mWhat("Win32 exception"), mWhere(info.ExceptionAddress), mCode(info.ExceptionCode)
{
switch (info.ExceptionCode) {
case EXCEPTION_ACCESS_VIOLATION:
mWhat = "Access violation";
break;
case EXCEPTION_FLT_DIVIDE_BY_ZERO:
case EXCEPTION_INT_DIVIDE_BY_ZERO:
mWhat = "Division by zero";
break;
}
}
void win32_exception::writelog(const char *prefix) const
{
if( prefix )
CLog::Log(LOGERROR, "%s : %s (code:0x%08x) at 0x%08x", prefix, (unsigned int) what(), code(), where());
else
CLog::Log(LOGERROR, "%s (code:0x%08x) at 0x%08x", what(), code(), where());
}
access_violation::access_violation(const EXCEPTION_RECORD& info)
: win32_exception(info), mIsWrite(false), mBadAddress(0)
{
mIsWrite = info.ExceptionInformation[0] == 1;
mBadAddress = reinterpret_cast<win32_exception ::Address>(info.ExceptionInformation[1]);
}
void access_violation::writelog(const char *prefix) const
{
if( prefix )
if( mIsWrite )
CLog::Log(LOGERROR, "%s : %s at 0x%08x: Writing location 0x%08x", prefix, what(), where(), address());
else
CLog::Log(LOGERROR, "%s : %s at 0x%08x: Reading location 0x%08x", prefix, what(), where(), address());
else
if( mIsWrite )
CLog::Log(LOGERROR, "%s at 0x%08x: Writing location 0x%08x", what(), where(), address());
else
CLog::Log(LOGERROR, "%s at 0x%08x: Reading location 0x%08x", what(), where(), address());
}