PAL.C.T MINI SHELL
/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 1997-2015 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 "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);
extern const phpdbg_command_t phpdbg_watch_commands[];
/* Watchpoint functions/typedefs */
/* References are managed through their parent zval *, being a simple WATCH_ON_ZVAL and eventually WATCH_ON_REFCOUNTED */
typedef enum {
WATCH_ON_ZVAL,
WATCH_ON_HASHTABLE,
WATCH_ON_REFCOUNTED,
} phpdbg_watchtype;
#define PHPDBG_WATCH_SIMPLE 0x01
#define PHPDBG_WATCH_RECURSIVE 0x02
#define PHPDBG_WATCH_ARRAY 0x04
#define PHPDBG_WATCH_OBJECT 0x08
#define PHPDBG_WATCH_NORMAL (PHPDBG_WATCH_SIMPLE | PHPDBG_WATCH_RECURSIVE)
#define PHPDBG_WATCH_IMPLICIT 0x10
#define PHPDBG_DESTRUCTED_ZVAL 0x80
typedef struct _phpdbg_watchpoint_t phpdbg_watchpoint_t;
struct _phpdbg_watchpoint_t {
union {
zval *zv;
zend_refcounted *ref;
void *ptr;
} addr;
size_t size;
phpdbg_watchtype type;
char flags;
unsigned int implicit_ht_count;
phpdbg_watchpoint_t *parent;
phpdbg_watchpoint_t *reference;
HashTable *parent_container;
zend_string *name_in_parent;
zend_string *str;
};
typedef struct {
phpdbg_watchpoint_t *watch;
unsigned int refs;
HashTable watches;
HashTable implicit_watches;
} phpdbg_watch_collision;
typedef struct {
dtor_func_t dtor;
HashTable watches;
} phpdbg_watch_ht_info;
void phpdbg_setup_watchpoints(void);
#ifndef _WIN32
int phpdbg_watchpoint_segfault_handler(siginfo_t *info, void *context);
#else
int phpdbg_watchpoint_segfault_handler(void *addr);
#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);
int phpdbg_create_var_watchpoint(char *input, size_t len);
int phpdbg_print_changed_zvals(void);
void phpdbg_list_watchpoints(void);
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
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