xref: /PHP-7.2/sapi/phpdbg/phpdbg_win.c (revision 7a7ec01a)
1 /*
2    +----------------------------------------------------------------------+
3    | PHP Version 7                                                        |
4    +----------------------------------------------------------------------+
5    | Copyright (c) 1997-2018 The PHP Group                                |
6    +----------------------------------------------------------------------+
7    | This source file is subject to version 3.01 of the PHP license,	  |
8    | that is bundled with this package in the file LICENSE, and is        |
9    | available through the world-wide-web at the following url:           |
10    | http://www.php.net/license/3_01.txt                                  |
11    | If you did not receive a copy of the PHP license and are unable to   |
12    | obtain it through the world-wide-web, please send a note to          |
13    | license@php.net so we can mail you a copy immediately.               |
14    +----------------------------------------------------------------------+
15    | Authors: Felipe Pena <felipe@php.net>                                |
16    | Authors: Joe Watkins <joe.watkins@live.co.uk>                        |
17    | Authors: Bob Weinand <bwoebi@php.net>                                |
18    +----------------------------------------------------------------------+
19 */
20 
21 #include "zend.h"
22 #include "phpdbg.h"
23 
mprotect(void * addr,size_t size,int protection)24 int mprotect(void *addr, size_t size, int protection) {
25 	int var;
26 	return (int)VirtualProtect(addr, size, protection == (PROT_READ | PROT_WRITE) ? PAGE_READWRITE : PAGE_READONLY, &var);
27 }
28 
phpdbg_exception_handler_win32(EXCEPTION_POINTERS * xp)29 int phpdbg_exception_handler_win32(EXCEPTION_POINTERS *xp) {
30 	EXCEPTION_RECORD *xr = xp->ExceptionRecord;
31 	CONTEXT *xc = xp->ContextRecord;
32 
33 	if(xr->ExceptionCode == EXCEPTION_ACCESS_VIOLATION) {
34 
35 		if (phpdbg_watchpoint_segfault_handler((void *)xr->ExceptionInformation[1]) == SUCCESS) {
36 			return EXCEPTION_CONTINUE_EXECUTION;
37 		}
38 	}
39 
40 	return EXCEPTION_CONTINUE_SEARCH;
41 }
42