phpdbg_win.c

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/*
   +----------------------------------------------------------------------+
   | Copyright (c) The PHP Group                                          |
   +----------------------------------------------------------------------+
   | This source file is subject to version 3.01 of the PHP license,      |
   | that is bundled with this package in the file LICENSE, and is        |
   | available through the world-wide-web at the following url:           |
   | https://www.php.net/license/3_01.txt                                 |
   | If you did not receive a copy of the PHP license and are unable to   |
   | obtain it through the world-wide-web, please send a note to          |
   | license@php.net so we can mail you a copy immediately.               |
   +----------------------------------------------------------------------+
   | Authors: Felipe Pena <felipe@php.net>                                |
   | Authors: Joe Watkins <joe.watkins@live.co.uk>                        |
   | Authors: Bob Weinand <bwoebi@php.net>                                |
   +----------------------------------------------------------------------+
*/
 
#include "zend.h"
#include "phpdbg.h"
 
int mprotect(void *addr, size_t size, int protection) {
    int var;
    return (int)VirtualProtect(addr, size, protection == (PROT_READ | PROT_WRITE) ? PAGE_READWRITE : PAGE_READONLY, &var);
}
 
int phpdbg_exception_handler_win32(EXCEPTION_POINTERS *xp) {
    EXCEPTION_RECORD *xr = xp->ExceptionRecord;
    CONTEXT *xc = xp->ContextRecord;
 
    switch (xr->ExceptionCode) {
        case EXCEPTION_ACCESS_VIOLATION:
        case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
        case EXCEPTION_STACK_OVERFLOW:
            if (phpdbg_watchpoint_segfault_handler((void *)xr->ExceptionInformation[1]) == SUCCESS) {
                return EXCEPTION_CONTINUE_EXECUTION;
            }
            break;
        EMPTY_SWITCH_DEFAULT_CASE()
    }
 
    return EXCEPTION_CONTINUE_SEARCH;
}