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/*
+----------------------------------------------------------------------+
| PHP Version 5 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2016 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: |
| http://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> |
+----------------------------------------------------------------------+
*/
#ifndef PHPDBG_WATCH_H
#define PHPDBG_WATCH_H
#include "TSRM.h"
#include "phpdbg_cmd.h"
#ifdef _WIN32
# include "phpdbg_win.h"
#endif
#define PHPDBG_WATCH(name) PHPDBG_COMMAND(watch_##name)
/**
* Printer Forward Declarations
*/
PHPDBG_WATCH(array);
PHPDBG_WATCH(delete);
PHPDBG_WATCH(recursive);
/**
* Commands
*/
static const phpdbg_command_t phpdbg_watch_commands[] = {
PHPDBG_COMMAND_D_EX(array, "create watchpoint on an array", 'a', watch_array, NULL, "s"),
PHPDBG_COMMAND_D_EX(delete, "delete watchpoint", 'd', watch_delete, NULL, "s"),
PHPDBG_COMMAND_D_EX(recursive, "create recursive watchpoints", 'r', watch_recursive, NULL, "s"),
PHPDBG_END_COMMAND
};
/* Watchpoint functions/typedefs */
typedef enum {
WATCH_ON_ZVAL,
WATCH_ON_HASHTABLE,
} phpdbg_watchtype;
#define PHPDBG_WATCH_SIMPLE 0x0
#define PHPDBG_WATCH_RECURSIVE 0x1
typedef struct _phpdbg_watchpoint_t phpdbg_watchpoint_t;
struct _phpdbg_watchpoint_t {
phpdbg_watchpoint_t *parent;
HashTable *parent_container;
char *name_in_parent;
size_t name_in_parent_len;
char *str;
size_t str_len;
union {
zval *zv;
HashTable *ht;
void *ptr;
} addr;
size_t size;
phpdbg_watchtype type;
char flags;
};
void phpdbg_setup_watchpoints(TSRMLS_D);
#ifndef _WIN32
int phpdbg_watchpoint_segfault_handler(siginfo_t *info, void *context TSRMLS_DC);
#else
int phpdbg_watchpoint_segfault_handler(void *addr TSRMLS_DC);
#endif
void phpdbg_create_addr_watchpoint(void *addr, size_t size, phpdbg_watchpoint_t *watch);
void phpdbg_create_zval_watchpoint(zval *zv, phpdbg_watchpoint_t *watch);
int phpdbg_delete_var_watchpoint(char *input, size_t len TSRMLS_DC);
int phpdbg_create_var_watchpoint(char *input, size_t len TSRMLS_DC);
int phpdbg_print_changed_zvals(TSRMLS_D);
void phpdbg_list_watchpoints(TSRMLS_D);
void phpdbg_watch_efree(void *ptr);
static long phpdbg_pagesize;
static zend_always_inline void *phpdbg_get_page_boundary(void *addr) {
return (void *)((size_t)addr & ~(phpdbg_pagesize - 1));
}
static zend_always_inline size_t phpdbg_get_total_page_size(void *addr, size_t size) {
return (size_t)phpdbg_get_page_boundary((void *)((size_t)addr + size - 1)) - (size_t)phpdbg_get_page_boundary(addr) + phpdbg_pagesize;
}
#endif