mirror of
https://github.com/php/php-src.git
synced 2025-08-15 13:38:49 +02:00
6ddab74d55
sapi_module, mime_type_map, zend_extensions, php_cgi_globals, and phpdbg_globals are true globals which are being shadowed
316 lines
12 KiB
C
316 lines
12 KiB
C
/*
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| https://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Felipe Pena <felipe@php.net> |
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| Authors: Joe Watkins <joe.watkins@live.co.uk> |
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| Authors: Bob Weinand <bwoebi@php.net> |
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+----------------------------------------------------------------------+
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*/
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#ifndef PHPDBG_H
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#define PHPDBG_H
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#ifdef PHP_WIN32
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# define PHPDBG_API __declspec(dllexport)
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#elif defined(__GNUC__) && __GNUC__ >= 4
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# define PHPDBG_API __attribute__ ((visibility("default")))
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#else
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# define PHPDBG_API
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#endif
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#include <stdint.h>
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#include <stddef.h>
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#include "php.h"
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#include "php_globals.h"
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#include "php_variables.h"
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#include "php_getopt.h"
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#include "zend_builtin_functions.h"
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#include "zend_extensions.h"
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#include "zend_modules.h"
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#include "zend_globals.h"
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#include "zend_ini_scanner.h"
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#include "zend_stream.h"
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#include "zend_signal.h"
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#if !defined(_WIN32) && !defined(ZEND_SIGNALS)
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# include <signal.h>
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#elif defined(PHP_WIN32)
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# include "win32/signal.h"
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#endif
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#include "SAPI.h"
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#include <fcntl.h>
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#include <sys/types.h>
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#if defined(_WIN32) && !defined(__MINGW32__)
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# include <windows.h>
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# include "config.w32.h"
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# undef strcasecmp
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# undef strncasecmp
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# define strcasecmp _stricmp
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# define strncasecmp _strnicmp
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#else
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# include <php_config.h>
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#endif
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#ifndef O_BINARY
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# define O_BINARY 0
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#endif
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#include "php_main.h"
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#ifdef ZTS
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# include "TSRM.h"
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#endif
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#undef zend_hash_str_add
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#ifdef PHP_WIN32
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#define zend_hash_str_add(...) \
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zend_hash_str_add(__VA_ARGS__)
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#else
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#define zend_hash_str_add_tmp(ht, key, len, pData) \
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zend_hash_str_add(ht, key, len, pData)
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#define zend_hash_str_add(...) zend_hash_str_add_tmp(__VA_ARGS__)
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#endif
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#ifdef HAVE_PHPDBG_READLINE
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# ifdef HAVE_LIBREADLINE
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# include <readline/readline.h>
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# include <readline/history.h>
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# endif
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# ifdef HAVE_LIBEDIT
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# include <editline/readline.h>
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# endif
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#endif
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/* {{{ strings */
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#define PHPDBG_NAME "phpdbg"
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#define PHPDBG_AUTHORS "Felipe Pena, Joe Watkins and Bob Weinand" /* Ordered by last name */
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#define PHPDBG_ISSUES "https://github.com/php/php-src/issues"
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#define PHPDBG_VERSION PHP_VERSION
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#define PHPDBG_INIT_FILENAME ".phpdbginit"
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#define PHPDBG_DEFAULT_PROMPT "prompt>"
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/* }}} */
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#ifdef ZTS
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# define PHPDBG_G(v) ZEND_TSRMG(phpdbg_globals_id, zend_phpdbg_globals *, v)
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#else
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# define PHPDBG_G(v) (phpdbg_globals.v)
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#endif
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#include "phpdbg_sigsafe.h"
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#include "phpdbg_out.h"
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#include "phpdbg_lexer.h"
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#include "phpdbg_cmd.h"
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#include "phpdbg_utils.h"
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#include "phpdbg_btree.h"
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#include "phpdbg_watch.h"
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#include "phpdbg_bp.h"
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int phpdbg_do_parse(phpdbg_param_t *stack, char *input);
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#define PHPDBG_NEXT 2
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#define PHPDBG_UNTIL 3
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#define PHPDBG_FINISH 4
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#define PHPDBG_LEAVE 5
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/*
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BEGIN: DO NOT CHANGE DO NOT CHANGE DO NOT CHANGE
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*/
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/* {{{ flags */
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#define PHPDBG_HAS_FILE_BP (1ULL<<1)
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#define PHPDBG_HAS_PENDING_FILE_BP (1ULL<<2)
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#define PHPDBG_HAS_SYM_BP (1ULL<<3)
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#define PHPDBG_HAS_OPLINE_BP (1ULL<<4)
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#define PHPDBG_HAS_METHOD_BP (1ULL<<5)
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#define PHPDBG_HAS_COND_BP (1ULL<<6)
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#define PHPDBG_HAS_OPCODE_BP (1ULL<<7)
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#define PHPDBG_HAS_FUNCTION_OPLINE_BP (1ULL<<8)
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#define PHPDBG_HAS_METHOD_OPLINE_BP (1ULL<<9)
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#define PHPDBG_HAS_FILE_OPLINE_BP (1ULL<<10) /* }}} */
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/*
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END: DO NOT CHANGE DO NOT CHANGE DO NOT CHANGE
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*/
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#define PHPDBG_IN_COND_BP (1ULL<<11)
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#define PHPDBG_IN_EVAL (1ULL<<12)
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#define PHPDBG_IS_STEPPING (1ULL<<13)
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#define PHPDBG_STEP_OPCODE (1ULL<<14)
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#define PHPDBG_IS_QUIET (1ULL<<15)
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#define PHPDBG_IS_QUITTING (1ULL<<16)
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#define PHPDBG_IS_COLOURED (1ULL<<17)
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#define PHPDBG_IS_CLEANING (1ULL<<18)
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#define PHPDBG_IS_RUNNING (1ULL<<19)
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#define PHPDBG_IN_UNTIL (1ULL<<20)
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#define PHPDBG_IN_FINISH (1ULL<<21)
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#define PHPDBG_IN_LEAVE (1ULL<<22)
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#define PHPDBG_IS_REGISTERED (1ULL<<23)
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#define PHPDBG_IS_STEPONEVAL (1ULL<<24)
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#define PHPDBG_IS_INITIALIZING (1ULL<<25)
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#define PHPDBG_IS_SIGNALED (1ULL<<26)
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#define PHPDBG_IS_INTERACTIVE (1ULL<<27)
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#define PHPDBG_PREVENT_INTERACTIVE (1ULL<<28)
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#define PHPDBG_IS_BP_ENABLED (1ULL<<29)
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#define PHPDBG_SHOW_REFCOUNTS (1ULL<<30)
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#define PHPDBG_IN_SIGNAL_HANDLER (1ULL<<31)
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#define PHPDBG_DISCARD_OUTPUT (1ULL<<32)
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#define PHPDBG_HAS_PAGINATION (1ULL<<33)
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#define PHPDBG_SEEK_MASK (PHPDBG_IN_UNTIL | PHPDBG_IN_FINISH | PHPDBG_IN_LEAVE)
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#define PHPDBG_BP_RESOLVE_MASK (PHPDBG_HAS_FUNCTION_OPLINE_BP | PHPDBG_HAS_METHOD_OPLINE_BP | PHPDBG_HAS_FILE_OPLINE_BP)
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#define PHPDBG_BP_MASK (PHPDBG_HAS_FILE_BP | PHPDBG_HAS_SYM_BP | PHPDBG_HAS_METHOD_BP | PHPDBG_HAS_OPLINE_BP | PHPDBG_HAS_COND_BP | PHPDBG_HAS_OPCODE_BP | PHPDBG_HAS_FUNCTION_OPLINE_BP | PHPDBG_HAS_METHOD_OPLINE_BP | PHPDBG_HAS_FILE_OPLINE_BP)
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#define PHPDBG_IS_STOPPING (PHPDBG_IS_QUITTING | PHPDBG_IS_CLEANING)
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#define PHPDBG_PRESERVE_FLAGS_MASK \
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(PHPDBG_SHOW_REFCOUNTS | \
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PHPDBG_IS_STEPONEVAL | \
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PHPDBG_IS_BP_ENABLED | \
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PHPDBG_STEP_OPCODE | \
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PHPDBG_IS_QUIET | \
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PHPDBG_IS_COLOURED | \
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PHPDBG_HAS_PAGINATION)
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#ifndef _WIN32
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# define PHPDBG_DEFAULT_FLAGS (PHPDBG_IS_QUIET | PHPDBG_IS_COLOURED | PHPDBG_IS_BP_ENABLED | PHPDBG_HAS_PAGINATION)
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#else
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# define PHPDBG_DEFAULT_FLAGS (PHPDBG_IS_QUIET | PHPDBG_IS_BP_ENABLED | PHPDBG_HAS_PAGINATION)
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#endif /* }}} */
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/* {{{ output descriptors */
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#define PHPDBG_STDIN 0
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#define PHPDBG_STDOUT 1
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#define PHPDBG_STDERR 2
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#define PHPDBG_IO_FDS 3 /* }}} */
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#define phpdbg_try_access \
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{ \
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ZEND_DIAGNOSTIC_IGNORED_START("-Wshadow") \
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JMP_BUF *__orig_bailout = PHPDBG_G(sigsegv_bailout); \
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JMP_BUF __bailout; \
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ZEND_DIAGNOSTIC_IGNORED_END \
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\
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PHPDBG_G(sigsegv_bailout) = &__bailout; \
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if (SETJMP(__bailout) == 0) {
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#define phpdbg_catch_access \
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} else { \
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PHPDBG_G(sigsegv_bailout) = __orig_bailout;
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#define phpdbg_end_try_access() \
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} \
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PHPDBG_G(sigsegv_bailout) = __orig_bailout; \
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}
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void phpdbg_register_file_handles(void);
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typedef struct _phpdbg_oplog_entry phpdbg_oplog_entry;
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struct _phpdbg_oplog_entry {
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phpdbg_oplog_entry *next;
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zend_string *function_name;
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zend_class_entry *scope;
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zend_string *filename;
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zend_op *opcodes;
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zend_op *op;
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};
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typedef struct _phpdbg_oplog_list phpdbg_oplog_list;
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struct _phpdbg_oplog_list {
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phpdbg_oplog_list *prev;
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phpdbg_oplog_entry start; /* Only "next" member used. */
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};
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/* {{{ structs */
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ZEND_BEGIN_MODULE_GLOBALS(phpdbg)
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HashTable bp[PHPDBG_BREAK_TABLES]; /* break points */
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HashTable registered; /* registered */
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HashTable seek; /* seek oplines */
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zend_execute_data *seek_ex; /* call frame of oplines to seek to */
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zend_object *handled_exception; /* last handled exception (prevent multiple handling of same exception) */
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phpdbg_frame_t frame; /* frame */
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uint32_t last_line; /* last executed line */
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char *cur_command; /* current command */
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phpdbg_lexer_data lexer; /* lexer data */
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phpdbg_param_t *parser_stack; /* param stack during lexer / parser phase */
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#ifndef _WIN32
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struct sigaction old_sigsegv_signal; /* segv signal handler */
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#endif
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#ifdef HAVE_USERFAULTFD_WRITEFAULT
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int watch_userfaultfd; /* userfaultfd(2) handler, 0 if unused */
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pthread_t watch_userfault_thread; /* thread for watch fault handling */
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#endif
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phpdbg_btree watchpoint_tree; /* tree with watchpoints */
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phpdbg_btree watch_HashTables; /* tree with original dtors of watchpoints */
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HashTable watch_elements; /* user defined watch elements */
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HashTable watch_collisions; /* collision table to check if multiple watches share the same recursive watchpoint */
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HashTable watch_recreation; /* watch elements pending recreation of their respective watchpoints */
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HashTable watch_free; /* pointers to watch for being freed */
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HashTable *watchlist_mem; /* triggered watchpoints */
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HashTable *original_watchlist_mem; /* the original allocation for watchlist_mem, used when watchlist_mem has changed temporarily */
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HashTable *watchlist_mem_backup; /* triggered watchpoints backup table while iterating over it */
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bool watchpoint_hit; /* a watchpoint was hit */
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void (*original_free_function)(void * ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC); /* the original AG(mm_heap)->_free function */
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phpdbg_watch_element *watch_tmp; /* temporary pointer for a watch element */
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char *exec; /* file to execute */
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size_t exec_len; /* size of exec */
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zend_op_array *ops; /* op_array */
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zval retval; /* return value */
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int bp_count; /* breakpoint count */
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int vmret; /* return from last opcode handler execution */
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bool in_execution; /* in execution? */
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bool unclean_eval; /* do not check for memory leaks when we needed to bail out during eval */
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zend_op_array *(*compile_file)(zend_file_handle *file_handle, int type);
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zend_op_array *(*init_compile_file)(zend_file_handle *file_handle, int type);
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zend_op_array *(*compile_string)(zend_string *source_string, const char *filename, zend_compile_position position);
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HashTable file_sources;
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zend_arena *oplog_arena; /* arena for storing oplog */
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phpdbg_oplog_list *oplog_list; /* list of oplog starts */
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phpdbg_oplog_entry *oplog_cur; /* current oplog entry */
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struct {
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int fd;
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} io[PHPDBG_IO_FDS]; /* io */
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ssize_t (*php_stdiop_write)(php_stream *, const char *, size_t);
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struct {
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bool active;
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int type;
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int fd;
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char *msg;
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int msglen;
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} err_buf; /* error buffer */
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zend_ulong req_id; /* "request id" to keep track of commands */
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char *prompt[2]; /* prompt */
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const phpdbg_color_t *colors[PHPDBG_COLORS]; /* colors */
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char *buffer; /* buffer */
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bool last_was_newline; /* check if we don't need to output a newline upon next phpdbg_error or phpdbg_notice */
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FILE *stdin_file; /* FILE pointer to stdin source file */
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const php_stream_wrapper *orig_url_wrap_php;
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char input_buffer[PHPDBG_MAX_CMD]; /* stdin input buffer */
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int input_buflen; /* length of stdin input buffer */
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phpdbg_signal_safe_mem sigsafe_mem; /* memory to use in async safe environment (only once!) */
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JMP_BUF *sigsegv_bailout; /* bailout address for accessibility probing */
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uint64_t flags; /* phpdbg flags */
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char *sapi_name_ptr; /* store sapi name to free it if necessary to not leak memory */
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zend_ulong lines; /* max number of lines to display */
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ZEND_END_MODULE_GLOBALS(phpdbg) /* }}} */
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#endif /* PHPDBG_H */
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