xref: /PHP-8.2/sapi/phpdbg/phpdbg_win.c (revision 01b3fc03)
1 /*
2    +----------------------------------------------------------------------+
3    | Copyright (c) The PHP Group                                          |
4    +----------------------------------------------------------------------+
5    | This source file is subject to version 3.01 of the PHP license,      |
6    | that is bundled with this package in the file LICENSE, and is        |
7    | available through the world-wide-web at the following url:           |
8    | https://www.php.net/license/3_01.txt                                 |
9    | If you did not receive a copy of the PHP license and are unable to   |
10    | obtain it through the world-wide-web, please send a note to          |
11    | license@php.net so we can mail you a copy immediately.               |
12    +----------------------------------------------------------------------+
13    | Authors: Felipe Pena <felipe@php.net>                                |
14    | Authors: Joe Watkins <joe.watkins@live.co.uk>                        |
15    | Authors: Bob Weinand <bwoebi@php.net>                                |
16    +----------------------------------------------------------------------+
17 */
18 
19 #include "zend.h"
20 #include "phpdbg.h"
21 
mprotect(void * addr,size_t size,int protection)22 int mprotect(void *addr, size_t size, int protection) {
23 	int var;
24 	return (int)VirtualProtect(addr, size, protection == (PROT_READ | PROT_WRITE) ? PAGE_READWRITE : PAGE_READONLY, &var);
25 }
26 
phpdbg_exception_handler_win32(EXCEPTION_POINTERS * xp)27 int phpdbg_exception_handler_win32(EXCEPTION_POINTERS *xp) {
28 	EXCEPTION_RECORD *xr = xp->ExceptionRecord;
29 	CONTEXT *xc = xp->ContextRecord;
30 
31 	if(xr->ExceptionCode == EXCEPTION_ACCESS_VIOLATION) {
32 
33 		if (phpdbg_watchpoint_segfault_handler((void *)xr->ExceptionInformation[1]) == SUCCESS) {
34 			return EXCEPTION_CONTINUE_EXECUTION;
35 		}
36 	}
37 
38 	return EXCEPTION_CONTINUE_SEARCH;
39 }
40