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php-8.5.0beta3
sapi/phpdbg/phpdbg.h
316 строк
12 KB
Gina Peter Banyard
sapi: Fix some variable shadowing (#16485)
18 окт 2024, 00:46
Не верифицирован
18 окт 2024, 00:46
6ddab74
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/* +----------------------------------------------------------------------+ | Copyright (c) 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: | | https://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_H #define PHPDBG_H #ifdef PHP_WIN32 # define PHPDBG_API __declspec(dllexport) #elif defined(__GNUC__) && __GNUC__ >= 4 # define PHPDBG_API __attribute__ ((visibility("default"))) #else # define PHPDBG_API #endif #include <stdint.h> #include <stddef.h> #include "php.h" #include "php_globals.h" #include "php_variables.h" #include "php_getopt.h" #include "zend_builtin_functions.h" #include "zend_extensions.h" #include "zend_modules.h" #include "zend_globals.h" #include "zend_ini_scanner.h" #include "zend_stream.h" #include "zend_signal.h" #if !defined(_WIN32) && !defined(ZEND_SIGNALS) # include <signal.h> #elif defined(PHP_WIN32) # include "win32/signal.h" #endif #include "SAPI.h" #include <fcntl.h> #include <sys/types.h> #if defined(_WIN32) && !defined(__MINGW32__) # include <windows.h> # include "config.w32.h" # undef strcasecmp # undef strncasecmp # define strcasecmp _stricmp # define strncasecmp _strnicmp #else # include <php_config.h> #endif #ifndef O_BINARY # define O_BINARY 0 #endif #include "php_main.h" #ifdef ZTS # include "TSRM.h" #endif #undef zend_hash_str_add #ifdef PHP_WIN32 #define zend_hash_str_add(...) \ zend_hash_str_add(__VA_ARGS__) #else #define zend_hash_str_add_tmp(ht, key, len, pData) \ zend_hash_str_add(ht, key, len, pData) #define zend_hash_str_add(...) zend_hash_str_add_tmp(__VA_ARGS__) #endif #ifdef HAVE_PHPDBG_READLINE # ifdef HAVE_LIBREADLINE # include <readline/readline.h> # include <readline/history.h> # endif # ifdef HAVE_LIBEDIT # include <editline/readline.h> # endif #endif /* {{{ strings */ #define PHPDBG_NAME "phpdbg" #define PHPDBG_AUTHORS "Felipe Pena, Joe Watkins and Bob Weinand" /* Ordered by last name */ #define PHPDBG_ISSUES "https://github.com/php/php-src/issues" #define PHPDBG_VERSION PHP_VERSION #define PHPDBG_INIT_FILENAME ".phpdbginit" #define PHPDBG_DEFAULT_PROMPT "prompt>" /* }}} */ #ifdef ZTS # define PHPDBG_G(v) ZEND_TSRMG(phpdbg_globals_id, zend_phpdbg_globals *, v) #else # define PHPDBG_G(v) (phpdbg_globals.v) #endif #include "phpdbg_sigsafe.h" #include "phpdbg_out.h" #include "phpdbg_lexer.h" #include "phpdbg_cmd.h" #include "phpdbg_utils.h" #include "phpdbg_btree.h" #include "phpdbg_watch.h" #include "phpdbg_bp.h" int phpdbg_do_parse(phpdbg_param_t *stack, char *input); #define PHPDBG_NEXT 2 #define PHPDBG_UNTIL 3 #define PHPDBG_FINISH 4 #define PHPDBG_LEAVE 5 /* BEGIN: DO NOT CHANGE DO NOT CHANGE DO NOT CHANGE */ /* {{{ flags */ #define PHPDBG_HAS_FILE_BP (1ULL<<1) #define PHPDBG_HAS_PENDING_FILE_BP (1ULL<<2) #define PHPDBG_HAS_SYM_BP (1ULL<<3) #define PHPDBG_HAS_OPLINE_BP (1ULL<<4) #define PHPDBG_HAS_METHOD_BP (1ULL<<5) #define PHPDBG_HAS_COND_BP (1ULL<<6) #define PHPDBG_HAS_OPCODE_BP (1ULL<<7) #define PHPDBG_HAS_FUNCTION_OPLINE_BP (1ULL<<8) #define PHPDBG_HAS_METHOD_OPLINE_BP (1ULL<<9) #define PHPDBG_HAS_FILE_OPLINE_BP (1ULL<<10) /* }}} */ /* END: DO NOT CHANGE DO NOT CHANGE DO NOT CHANGE */ #define PHPDBG_IN_COND_BP (1ULL<<11) #define PHPDBG_IN_EVAL (1ULL<<12) #define PHPDBG_IS_STEPPING (1ULL<<13) #define PHPDBG_STEP_OPCODE (1ULL<<14) #define PHPDBG_IS_QUIET (1ULL<<15) #define PHPDBG_IS_QUITTING (1ULL<<16) #define PHPDBG_IS_COLOURED (1ULL<<17) #define PHPDBG_IS_CLEANING (1ULL<<18) #define PHPDBG_IS_RUNNING (1ULL<<19) #define PHPDBG_IN_UNTIL (1ULL<<20) #define PHPDBG_IN_FINISH (1ULL<<21) #define PHPDBG_IN_LEAVE (1ULL<<22) #define PHPDBG_IS_REGISTERED (1ULL<<23) #define PHPDBG_IS_STEPONEVAL (1ULL<<24) #define PHPDBG_IS_INITIALIZING (1ULL<<25) #define PHPDBG_IS_SIGNALED (1ULL<<26) #define PHPDBG_IS_INTERACTIVE (1ULL<<27) #define PHPDBG_PREVENT_INTERACTIVE (1ULL<<28) #define PHPDBG_IS_BP_ENABLED (1ULL<<29) #define PHPDBG_SHOW_REFCOUNTS (1ULL<<30) #define PHPDBG_IN_SIGNAL_HANDLER (1ULL<<31) #define PHPDBG_DISCARD_OUTPUT (1ULL<<32) #define PHPDBG_HAS_PAGINATION (1ULL<<33) #define PHPDBG_SEEK_MASK (PHPDBG_IN_UNTIL | PHPDBG_IN_FINISH | PHPDBG_IN_LEAVE) #define PHPDBG_BP_RESOLVE_MASK (PHPDBG_HAS_FUNCTION_OPLINE_BP | PHPDBG_HAS_METHOD_OPLINE_BP | PHPDBG_HAS_FILE_OPLINE_BP) #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) #define PHPDBG_IS_STOPPING (PHPDBG_IS_QUITTING | PHPDBG_IS_CLEANING) #define PHPDBG_PRESERVE_FLAGS_MASK \ (PHPDBG_SHOW_REFCOUNTS | \ PHPDBG_IS_STEPONEVAL | \ PHPDBG_IS_BP_ENABLED | \ PHPDBG_STEP_OPCODE | \ PHPDBG_IS_QUIET | \ PHPDBG_IS_COLOURED | \ PHPDBG_HAS_PAGINATION) #ifndef _WIN32 # define PHPDBG_DEFAULT_FLAGS (PHPDBG_IS_QUIET | PHPDBG_IS_COLOURED | PHPDBG_IS_BP_ENABLED | PHPDBG_HAS_PAGINATION) #else # define PHPDBG_DEFAULT_FLAGS (PHPDBG_IS_QUIET | PHPDBG_IS_BP_ENABLED | PHPDBG_HAS_PAGINATION) #endif /* }}} */ /* {{{ output descriptors */ #define PHPDBG_STDIN 0 #define PHPDBG_STDOUT 1 #define PHPDBG_STDERR 2 #define PHPDBG_IO_FDS 3 /* }}} */ #define phpdbg_try_access \ { \ ZEND_DIAGNOSTIC_IGNORED_START("-Wshadow") \ JMP_BUF *__orig_bailout = PHPDBG_G(sigsegv_bailout); \ JMP_BUF __bailout; \ ZEND_DIAGNOSTIC_IGNORED_END \ \ PHPDBG_G(sigsegv_bailout) = &__bailout; \ if (SETJMP(__bailout) == 0) { #define phpdbg_catch_access \ } else { \ PHPDBG_G(sigsegv_bailout) = __orig_bailout; #define phpdbg_end_try_access() \ } \ PHPDBG_G(sigsegv_bailout) = __orig_bailout; \ } void phpdbg_register_file_handles(void); typedef struct _phpdbg_oplog_entry phpdbg_oplog_entry; struct _phpdbg_oplog_entry { phpdbg_oplog_entry *next; zend_string *function_name; zend_class_entry *scope; zend_string *filename; zend_op *opcodes; zend_op *op; }; typedef struct _phpdbg_oplog_list phpdbg_oplog_list; struct _phpdbg_oplog_list { phpdbg_oplog_list *prev; phpdbg_oplog_entry start; /* Only "next" member used. */ }; /* {{{ structs */ ZEND_BEGIN_MODULE_GLOBALS(phpdbg) HashTable bp[PHPDBG_BREAK_TABLES]; /* break points */ HashTable registered; /* registered */ HashTable seek; /* seek oplines */ zend_execute_data *seek_ex; /* call frame of oplines to seek to */ zend_object *handled_exception; /* last handled exception (prevent multiple handling of same exception) */ phpdbg_frame_t frame; /* frame */ uint32_t last_line; /* last executed line */ char *cur_command; /* current command */ phpdbg_lexer_data lexer; /* lexer data */ phpdbg_param_t *parser_stack; /* param stack during lexer / parser phase */ #ifndef _WIN32 struct sigaction old_sigsegv_signal; /* segv signal handler */ #endif #ifdef HAVE_USERFAULTFD_WRITEFAULT int watch_userfaultfd; /* userfaultfd(2) handler, 0 if unused */ pthread_t watch_userfault_thread; /* thread for watch fault handling */ #endif phpdbg_btree watchpoint_tree; /* tree with watchpoints */ phpdbg_btree watch_HashTables; /* tree with original dtors of watchpoints */ HashTable watch_elements; /* user defined watch elements */ HashTable watch_collisions; /* collision table to check if multiple watches share the same recursive watchpoint */ HashTable watch_recreation; /* watch elements pending recreation of their respective watchpoints */ HashTable watch_free; /* pointers to watch for being freed */ HashTable *watchlist_mem; /* triggered watchpoints */ HashTable *original_watchlist_mem; /* the original allocation for watchlist_mem, used when watchlist_mem has changed temporarily */ HashTable *watchlist_mem_backup; /* triggered watchpoints backup table while iterating over it */ bool watchpoint_hit; /* a watchpoint was hit */ void (*original_free_function)(void * ZEND_FILE_LINE_DC ZEND_FILE_LINE_ORIG_DC); /* the original AG(mm_heap)->_free function */ phpdbg_watch_element *watch_tmp; /* temporary pointer for a watch element */ char *exec; /* file to execute */ size_t exec_len; /* size of exec */ zend_op_array *ops; /* op_array */ zval retval; /* return value */ int bp_count; /* breakpoint count */ int vmret; /* return from last opcode handler execution */ bool in_execution; /* in execution? */ bool unclean_eval; /* do not check for memory leaks when we needed to bail out during eval */ zend_op_array *(*compile_file)(zend_file_handle *file_handle, int type); zend_op_array *(*init_compile_file)(zend_file_handle *file_handle, int type); zend_op_array *(*compile_string)(zend_string *source_string, const char *filename, zend_compile_position position); HashTable file_sources; zend_arena *oplog_arena; /* arena for storing oplog */ phpdbg_oplog_list *oplog_list; /* list of oplog starts */ phpdbg_oplog_entry *oplog_cur; /* current oplog entry */ struct { int fd; } io[PHPDBG_IO_FDS]; /* io */ ssize_t (*php_stdiop_write)(php_stream *, const char *, size_t); struct { bool active; int type; int fd; char *msg; int msglen; } err_buf; /* error buffer */ zend_ulong req_id; /* "request id" to keep track of commands */ char *prompt[2]; /* prompt */ const phpdbg_color_t *colors[PHPDBG_COLORS]; /* colors */ char *buffer; /* buffer */ bool last_was_newline; /* check if we don't need to output a newline upon next phpdbg_error or phpdbg_notice */ FILE *stdin_file; /* FILE pointer to stdin source file */ const php_stream_wrapper *orig_url_wrap_php; char input_buffer[PHPDBG_MAX_CMD]; /* stdin input buffer */ int input_buflen; /* length of stdin input buffer */ phpdbg_signal_safe_mem sigsafe_mem; /* memory to use in async safe environment (only once!) */ JMP_BUF *sigsegv_bailout; /* bailout address for accessibility probing */ uint64_t flags; /* phpdbg flags */ char *sapi_name_ptr; /* store sapi name to free it if necessary to not leak memory */ zend_ulong lines; /* max number of lines to display */ ZEND_END_MODULE_GLOBALS(phpdbg) /* }}} */ #endif /* PHPDBG_H */