diff options
Diffstat (limited to 'sapi/phpdbg/phpdbg_bp.c')
| -rw-r--r-- | sapi/phpdbg/phpdbg_bp.c | 1637 |
1 files changed, 1637 insertions, 0 deletions
diff --git a/sapi/phpdbg/phpdbg_bp.c b/sapi/phpdbg/phpdbg_bp.c new file mode 100644 index 0000000000..a18316a228 --- /dev/null +++ b/sapi/phpdbg/phpdbg_bp.c @@ -0,0 +1,1637 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 5 | + +----------------------------------------------------------------------+ + | Copyright (c) 1997-2014 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> | + +----------------------------------------------------------------------+ +*/ + +#include "zend.h" +#include "zend_hash.h" +#include "phpdbg.h" +#include "phpdbg_bp.h" +#include "phpdbg_utils.h" +#include "phpdbg_opcode.h" +#include "zend_globals.h" + +ZEND_EXTERN_MODULE_GLOBALS(phpdbg); + +/* {{{ private api functions */ +static inline phpdbg_breakbase_t *phpdbg_find_breakpoint_file(zend_op_array* TSRMLS_DC); +static inline phpdbg_breakbase_t *phpdbg_find_breakpoint_symbol(zend_function* TSRMLS_DC); +static inline phpdbg_breakbase_t *phpdbg_find_breakpoint_method(zend_op_array* TSRMLS_DC); +static inline phpdbg_breakbase_t *phpdbg_find_breakpoint_opline(phpdbg_opline_ptr_t TSRMLS_DC); +static inline phpdbg_breakbase_t *phpdbg_find_breakpoint_opcode(zend_uchar TSRMLS_DC); +static inline phpdbg_breakbase_t *phpdbg_find_conditional_breakpoint(zend_execute_data *execute_data TSRMLS_DC); /* }}} */ + +/* +* Note: +* A break point must always set the correct id and type +* A set breakpoint function must always map new points +*/ +static inline void _phpdbg_break_mapping(int id, HashTable *table TSRMLS_DC) +{ + zend_hash_index_update( + &PHPDBG_G(bp)[PHPDBG_BREAK_MAP], (id), (void**) &table, sizeof(void*), NULL); +} + +#define PHPDBG_BREAK_MAPPING(id, table) _phpdbg_break_mapping(id, table TSRMLS_CC) +#define PHPDBG_BREAK_UNMAPPING(id) \ + zend_hash_index_del(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP], (id)) + +#define PHPDBG_BREAK_INIT(b, t) do {\ + b.id = PHPDBG_G(bp_count)++; \ + b.type = t; \ + b.disabled = 0;\ + b.hits = 0; \ +} while(0) + +static void phpdbg_file_breaks_dtor(void *data) /* {{{ */ +{ + phpdbg_breakfile_t *bp = (phpdbg_breakfile_t*) data; + + efree((char*)bp->filename); +} /* }}} */ + +static void phpdbg_class_breaks_dtor(void *data) /* {{{ */ +{ + phpdbg_breakmethod_t *bp = (phpdbg_breakmethod_t*) data; + + efree((char*)bp->class_name); + efree((char*)bp->func_name); +} /* }}} */ + +static void phpdbg_opline_class_breaks_dtor(void *data) /* {{{ */ +{ + zend_hash_destroy((HashTable *)data); +} /* }}} */ + +static void phpdbg_opline_breaks_dtor(void *data) /* {{{ */ +{ + phpdbg_breakopline_t *bp = (phpdbg_breakopline_t *) data; + + if (bp->class_name) { + efree((char*)bp->class_name); + } + if (bp->func_name) { + efree((char*)bp->func_name); + } +} /* }}} */ + +PHPDBG_API void phpdbg_reset_breakpoints(TSRMLS_D) /* {{{ */ +{ + if (zend_hash_num_elements(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP])) { + HashPosition position[2]; + HashTable **table = NULL; + + for (zend_hash_internal_pointer_reset_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP], &position[0]); + zend_hash_get_current_data_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP], (void**)&table, &position[0]) == SUCCESS; + zend_hash_move_forward_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP], &position[0])) { + phpdbg_breakbase_t *brake; + + for (zend_hash_internal_pointer_reset_ex((*table), &position[1]); + zend_hash_get_current_data_ex((*table), (void**)&brake, &position[1]) == SUCCESS; + zend_hash_move_forward_ex((*table), &position[1])) { + brake->hits = 0; + } + } + } +} /* }}} */ + +PHPDBG_API void phpdbg_export_breakpoints(FILE *handle TSRMLS_DC) /* {{{ */ +{ + HashPosition position[2]; + HashTable **table = NULL; + zend_ulong id = 0L; + + if (zend_hash_num_elements(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP])) { + phpdbg_notice( + "Exporting %d breakpoints", + zend_hash_num_elements(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP])); + /* this only looks like magic, it isn't */ + for (zend_hash_internal_pointer_reset_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP], &position[0]); + zend_hash_get_current_data_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP], (void**)&table, &position[0]) == SUCCESS; + zend_hash_move_forward_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP], &position[0])) { + phpdbg_breakbase_t *brake; + + zend_hash_get_current_key_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP], NULL, NULL, &id, 0, &position[0]); + + for (zend_hash_internal_pointer_reset_ex((*table), &position[1]); + zend_hash_get_current_data_ex((*table), (void**)&brake, &position[1]) == SUCCESS; + zend_hash_move_forward_ex((*table), &position[1])) { + if (brake->id == id) { + switch (brake->type) { + case PHPDBG_BREAK_FILE: { + fprintf(handle, + "break %s:%lu\n", + ((phpdbg_breakfile_t*)brake)->filename, + ((phpdbg_breakfile_t*)brake)->line); + } break; + + case PHPDBG_BREAK_SYM: { + fprintf(handle, + "break %s\n", + ((phpdbg_breaksymbol_t*)brake)->symbol); + } break; + + case PHPDBG_BREAK_METHOD: { + fprintf(handle, + "break %s::%s\n", + ((phpdbg_breakmethod_t*)brake)->class_name, + ((phpdbg_breakmethod_t*)brake)->func_name); + } break; + + case PHPDBG_BREAK_METHOD_OPLINE: { + fprintf(handle, + "break %s::%s#%ld\n", + ((phpdbg_breakopline_t*)brake)->class_name, + ((phpdbg_breakopline_t*)brake)->func_name, + ((phpdbg_breakopline_t*)brake)->opline_num); + } break; + + case PHPDBG_BREAK_FUNCTION_OPLINE: { + fprintf(handle, + "break %s#%ld\n", + ((phpdbg_breakopline_t*)brake)->func_name, + ((phpdbg_breakopline_t*)brake)->opline_num); + } break; + + case PHPDBG_BREAK_FILE_OPLINE: { + fprintf(handle, + "break %s:#%ld\n", + ((phpdbg_breakopline_t*)brake)->class_name, + ((phpdbg_breakopline_t*)brake)->opline_num); + } break; + + case PHPDBG_BREAK_OPCODE: { + fprintf(handle, + "break %s\n", + ((phpdbg_breakop_t*)brake)->name); + } break; + + case PHPDBG_BREAK_COND: { + phpdbg_breakcond_t *conditional = (phpdbg_breakcond_t*) brake; + + if (conditional->paramed) { + switch (conditional->param.type) { + case STR_PARAM: + fprintf(handle, + "break at %s if %s\n", conditional->param.str, conditional->code); + break; + + case METHOD_PARAM: + fprintf(handle, + "break at %s::%s if %s\n", + conditional->param.method.class, conditional->param.method.name, + conditional->code); + break; + + case FILE_PARAM: + fprintf(handle, + "break at %s:%lu if %s\n", + conditional->param.file.name, conditional->param.file.line, + conditional->code); + break; + + default: { /* do nothing */ } break; + } + } else { + fprintf( + handle, "break if %s\n", conditional->code); + } + } break; + } + } + } + } + } +} /* }}} */ + +PHPDBG_API void phpdbg_set_breakpoint_file(const char *path, long line_num TSRMLS_DC) /* {{{ */ +{ + php_stream_statbuf ssb; + char realpath[MAXPATHLEN]; + + if (php_stream_stat_path(path, &ssb) != FAILURE) { + if (ssb.sb.st_mode & (S_IFREG|S_IFLNK)) { + HashTable *broken; + phpdbg_breakfile_t new_break; + size_t path_len = 0L; + + if (VCWD_REALPATH(path, realpath)) { + path = realpath; + } + path_len = strlen(path); + + if (zend_hash_find(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE], + path, path_len, (void**)&broken) == FAILURE) { + HashTable breaks; + + zend_hash_init(&breaks, 8, NULL, phpdbg_file_breaks_dtor, 0); + + zend_hash_update(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE], + path, path_len, &breaks, sizeof(HashTable), + (void**)&broken); + } + + if (!zend_hash_index_exists(broken, line_num)) { + PHPDBG_G(flags) |= PHPDBG_HAS_FILE_BP; + + PHPDBG_BREAK_INIT(new_break, PHPDBG_BREAK_FILE); + new_break.filename = estrndup(path, path_len); + new_break.line = line_num; + + zend_hash_index_update( + broken, line_num, (void**)&new_break, sizeof(phpdbg_breakfile_t), NULL); + + phpdbg_notice("Breakpoint #%d added at %s:%ld", + new_break.id, new_break.filename, new_break.line); + + PHPDBG_BREAK_MAPPING(new_break.id, broken); + } else { + phpdbg_error("Breakpoint at %s:%ld exists", path, line_num); + } + + } else { + phpdbg_error("Cannot set breakpoint in %s, it is not a regular file", path); + } + } else { + phpdbg_error("Cannot stat %s, it does not exist", path); + } +} /* }}} */ + +PHPDBG_API void phpdbg_set_breakpoint_symbol(const char *name, size_t name_len TSRMLS_DC) /* {{{ */ +{ + if (!zend_hash_exists(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM], name, name_len)) { + phpdbg_breaksymbol_t new_break; + + PHPDBG_G(flags) |= PHPDBG_HAS_SYM_BP; + + PHPDBG_BREAK_INIT(new_break, PHPDBG_BREAK_SYM); + new_break.symbol = estrndup(name, name_len); + + zend_hash_update(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM], new_break.symbol, + name_len, &new_break, sizeof(phpdbg_breaksymbol_t), NULL); + + phpdbg_notice("Breakpoint #%d added at %s", + new_break.id, new_break.symbol); + + PHPDBG_BREAK_MAPPING(new_break.id, &PHPDBG_G(bp)[PHPDBG_BREAK_SYM]); + } else { + phpdbg_notice("Breakpoint exists at %s", name); + } +} /* }}} */ + +PHPDBG_API void phpdbg_set_breakpoint_method(const char *class_name, const char *func_name TSRMLS_DC) /* {{{ */ +{ + HashTable class_breaks, *class_table; + size_t class_len = strlen(class_name); + size_t func_len = strlen(func_name); + char *lcname = zend_str_tolower_dup(func_name, func_len); + + if (zend_hash_find(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD], class_name, + class_len, (void**)&class_table) != SUCCESS) { + zend_hash_init(&class_breaks, 8, NULL, phpdbg_class_breaks_dtor, 0); + zend_hash_update( + &PHPDBG_G(bp)[PHPDBG_BREAK_METHOD], + class_name, class_len, + (void**)&class_breaks, sizeof(HashTable), (void**)&class_table); + } + + if (!zend_hash_exists(class_table, lcname, func_len)) { + phpdbg_breakmethod_t new_break; + + PHPDBG_G(flags) |= PHPDBG_HAS_METHOD_BP; + + PHPDBG_BREAK_INIT(new_break, PHPDBG_BREAK_METHOD); + new_break.class_name = estrndup(class_name, class_len); + new_break.class_len = class_len; + new_break.func_name = estrndup(func_name, func_len); + new_break.func_len = func_len; + + zend_hash_update(class_table, lcname, func_len, + &new_break, sizeof(phpdbg_breakmethod_t), NULL); + + phpdbg_notice("Breakpoint #%d added at %s::%s", + new_break.id, class_name, func_name); + + PHPDBG_BREAK_MAPPING(new_break.id, class_table); + } else { + phpdbg_notice("Breakpoint exists at %s::%s", class_name, func_name); + } + + efree(lcname); +} /* }}} */ + +PHPDBG_API void phpdbg_set_breakpoint_opline(zend_ulong opline TSRMLS_DC) /* {{{ */ +{ + if (!zend_hash_index_exists(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE], opline)) { + phpdbg_breakline_t new_break; + + PHPDBG_G(flags) |= PHPDBG_HAS_OPLINE_BP; + + PHPDBG_BREAK_INIT(new_break, PHPDBG_BREAK_OPLINE); + new_break.name = NULL; + new_break.opline = opline; + new_break.base = NULL; + + zend_hash_index_update(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE], opline, + &new_break, sizeof(phpdbg_breakline_t), NULL); + + phpdbg_notice("Breakpoint #%d added at %#lx", + new_break.id, new_break.opline); + PHPDBG_BREAK_MAPPING(new_break.id, &PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE]); + } else { + phpdbg_notice("Breakpoint exists at %#lx", opline); + } +} /* }}} */ + +PHPDBG_API int phpdbg_resolve_op_array_break(phpdbg_breakopline_t *brake, zend_op_array *op_array TSRMLS_DC) /* {{{ */ +{ + phpdbg_breakline_t opline_break; + if (op_array->last <= brake->opline_num) { + if (brake->class_name == NULL) { + phpdbg_error("There are only %d oplines in function %s (breaking at opline %ld impossible)", op_array->last, brake->func_name, brake->opline_num); + } else if (brake->func_name == NULL) { + phpdbg_error("There are only %d oplines in file %s (breaking at opline %ld impossible)", op_array->last, brake->class_name, brake->opline_num); + } else { + phpdbg_error("There are only %d oplines in method %s::%s (breaking at opline %ld impossible)", op_array->last, brake->class_name, brake->func_name, brake->opline_num); + } + + return FAILURE; + } + + opline_break.disabled = 0; + opline_break.hits = 0; + opline_break.id = brake->id; + opline_break.opline = brake->opline = (zend_ulong)(op_array->opcodes + brake->opline_num); + opline_break.name = NULL; + opline_break.base = brake; + if (op_array->scope) { + opline_break.type = PHPDBG_BREAK_METHOD_OPLINE; + } else if (op_array->function_name) { + opline_break.type = PHPDBG_BREAK_FUNCTION_OPLINE; + } else { + opline_break.type = PHPDBG_BREAK_FILE_OPLINE; + } + + PHPDBG_G(flags) |= PHPDBG_HAS_OPLINE_BP; + + zend_hash_index_update(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE], opline_break.opline, &opline_break, sizeof(phpdbg_breakline_t), NULL); + + return SUCCESS; +} /* }}} */ + +PHPDBG_API void phpdbg_resolve_op_array_breaks(zend_op_array *op_array TSRMLS_DC) /* {{{ */ +{ + HashTable *func_table = &PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE]; + HashTable *oplines_table; + HashPosition position; + phpdbg_breakopline_t *brake; + + if (op_array->scope != NULL && + zend_hash_find(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE], op_array->scope->name, op_array->scope->name_length, (void **)&func_table) == FAILURE) { + return; + } + + if (op_array->function_name == NULL) { + if (zend_hash_find(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE], op_array->filename, strlen(op_array->filename), (void **)&oplines_table) == FAILURE) { + return; + } + } else if (zend_hash_find(func_table, op_array->function_name?op_array->function_name:"", op_array->function_name?strlen(op_array->function_name):0, (void **)&oplines_table) == FAILURE) { + return; + } + + for (zend_hash_internal_pointer_reset_ex(oplines_table, &position); + zend_hash_get_current_data_ex(oplines_table, (void**) &brake, &position) == SUCCESS; + zend_hash_move_forward_ex(oplines_table, &position)) { + if (phpdbg_resolve_op_array_break(brake, op_array TSRMLS_CC) == SUCCESS) { + phpdbg_breakline_t *opline_break; + + zend_hash_internal_pointer_end(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE]); + zend_hash_get_current_data(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE], (void **)&opline_break); + + phpdbg_notice("Breakpoint #%d resolved at %s%s%s#%ld (opline %#lx)", + brake->id, + brake->class_name?brake->class_name:"", + brake->class_name&&brake->func_name?"::":"", + brake->func_name?brake->func_name:"", + brake->opline_num, + brake->opline); + } + } +} /* }}} */ + +PHPDBG_API int phpdbg_resolve_opline_break(phpdbg_breakopline_t *new_break TSRMLS_DC) /* {{{ */ +{ + HashTable *func_table = EG(function_table); + zend_function *func; + + if (new_break->func_name == NULL) { + if (EG(current_execute_data) == NULL) { + if (PHPDBG_G(ops) != NULL && !memcmp(PHPDBG_G(ops)->filename, new_break->class_name, new_break->class_len)) { + if (phpdbg_resolve_op_array_break(new_break, PHPDBG_G(ops) TSRMLS_CC) == SUCCESS) { + return SUCCESS; + } else { + return 2; + } + } + return FAILURE; + } else { + zend_execute_data *execute_data = EG(current_execute_data); + do { + if (execute_data->op_array->function_name == NULL && execute_data->op_array->scope == NULL && !memcmp(execute_data->op_array->filename, new_break->class_name, new_break->class_len)) { + if (phpdbg_resolve_op_array_break(new_break, execute_data->op_array TSRMLS_CC) == SUCCESS) { + return SUCCESS; + } else { + return 2; + } + } + } while ((execute_data = execute_data->prev_execute_data) != NULL); + return FAILURE; + } + } + + if (new_break->class_name != NULL) { + zend_class_entry **ce; + if (zend_hash_find(EG(class_table), zend_str_tolower_dup(new_break->class_name, new_break->class_len), new_break->class_len + 1, (void **)&ce) == FAILURE) { + return FAILURE; + } + func_table = &(*ce)->function_table; + } + + if (zend_hash_find(func_table, zend_str_tolower_dup(new_break->func_name, new_break->func_len), new_break->func_len + 1, (void **)&func) == FAILURE) { + if (new_break->class_name != NULL && new_break->func_name != NULL) { + phpdbg_error("Method %s doesn't exist in class %s", new_break->func_name, new_break->class_name); + return 2; + } + return FAILURE; + } + + if (func->type != ZEND_USER_FUNCTION) { + if (new_break->class_name == NULL) { + phpdbg_error("%s is not an user defined function, no oplines exist", new_break->func_name); + } else { + phpdbg_error("%s::%s is not an user defined method, no oplines exist", new_break->class_name, new_break->func_name); + } + return 2; + } + + if (phpdbg_resolve_op_array_break(new_break, &func->op_array TSRMLS_CC) == FAILURE) { + return 2; + } + + return SUCCESS; +} /* }}} */ + +PHPDBG_API void phpdbg_set_breakpoint_method_opline(const char *class, const char *method, zend_ulong opline TSRMLS_DC) /* {{{ */ +{ + phpdbg_breakopline_t new_break; + HashTable class_breaks, *class_table; + HashTable method_breaks, *method_table; + + PHPDBG_BREAK_INIT(new_break, PHPDBG_BREAK_METHOD_OPLINE); + new_break.func_len = strlen(method); + new_break.func_name = estrndup(method, new_break.func_len); + new_break.class_len = strlen(class); + new_break.class_name = estrndup(class, new_break.class_len); + new_break.opline_num = opline; + new_break.opline = 0; + + switch (phpdbg_resolve_opline_break(&new_break TSRMLS_CC)) { + case FAILURE: + phpdbg_notice("Pending breakpoint #%d at %s::%s#%ld", new_break.id, new_break.class_name, new_break.func_name, opline); + break; + + case SUCCESS: + phpdbg_notice("Breakpoint #%d added at %s::%s#%ld", new_break.id, new_break.class_name, new_break.func_name, opline); + break; + + case 2: + return; + } + + if (zend_hash_find(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE], new_break.class_name, new_break.class_len, (void **)&class_table) == FAILURE) { + zend_hash_init(&class_breaks, 8, NULL, phpdbg_opline_class_breaks_dtor, 0); + zend_hash_update( + &PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE], + new_break.class_name, + new_break.class_len, + (void **)&class_breaks, sizeof(HashTable), (void **)&class_table); + } + + if (zend_hash_find(class_table, new_break.func_name, new_break.func_len, (void **)&method_table) == FAILURE) { + zend_hash_init(&method_breaks, 8, NULL, phpdbg_opline_breaks_dtor, 0); + zend_hash_update( + class_table, + new_break.func_name, + new_break.func_len, + (void **)&method_breaks, sizeof(HashTable), (void **)&method_table); + } + + if (zend_hash_index_exists(method_table, opline)) { + phpdbg_notice("Breakpoint already exists for %s::%s#%ld", new_break.class_name, new_break.func_name, opline); + efree((char*)new_break.func_name); + efree((char*)new_break.class_name); + PHPDBG_G(bp_count)--; + return; + } + + PHPDBG_G(flags) |= PHPDBG_HAS_METHOD_OPLINE_BP; + + PHPDBG_BREAK_MAPPING(new_break.id, method_table); + + zend_hash_index_update(method_table, opline, &new_break, sizeof(phpdbg_breakopline_t), NULL); +} + +PHPDBG_API void phpdbg_set_breakpoint_function_opline(const char *function, zend_ulong opline TSRMLS_DC) /* {{{ */ +{ + phpdbg_breakopline_t new_break; + HashTable func_breaks, *func_table; + + PHPDBG_BREAK_INIT(new_break, PHPDBG_BREAK_FUNCTION_OPLINE); + new_break.func_len = strlen(function); + new_break.func_name = estrndup(function, new_break.func_len); + new_break.class_len = 0; + new_break.class_name = NULL; + new_break.opline_num = opline; + new_break.opline = 0; + + switch (phpdbg_resolve_opline_break(&new_break TSRMLS_CC)) { + case FAILURE: + phpdbg_notice("Pending breakpoint #%d at %s#%ld", new_break.id, new_break.func_name, opline); + break; + + case SUCCESS: + phpdbg_notice("Breakpoint #%d added at %s#%ld", new_break.id, new_break.func_name, opline); + break; + + case 2: + return; + } + + if (zend_hash_find(&PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE], new_break.func_name, new_break.func_len, (void **)&func_table) == FAILURE) { + zend_hash_init(&func_breaks, 8, NULL, phpdbg_opline_breaks_dtor, 0); + zend_hash_update( + &PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE], + new_break.func_name, + new_break.func_len, + (void **)&func_breaks, sizeof(HashTable), (void **)&func_table); + } + + if (zend_hash_index_exists(func_table, opline)) { + phpdbg_notice("Breakpoint already exists for %s#%ld", new_break.func_name, opline); + efree((char*)new_break.func_name); + PHPDBG_G(bp_count)--; + return; + } + + PHPDBG_BREAK_MAPPING(new_break.id, func_table); + + PHPDBG_G(flags) |= PHPDBG_HAS_FUNCTION_OPLINE_BP; + + zend_hash_index_update(func_table, opline, &new_break, sizeof(phpdbg_breakopline_t), NULL); +} + +PHPDBG_API void phpdbg_set_breakpoint_file_opline(const char *file, zend_ulong opline TSRMLS_DC) /* {{{ */ +{ + phpdbg_breakopline_t new_break; + HashTable file_breaks, *file_table; + + PHPDBG_BREAK_INIT(new_break, PHPDBG_BREAK_FILE_OPLINE); + new_break.func_len = 0; + new_break.func_name = NULL; + new_break.class_len = strlen(file); + new_break.class_name = estrndup(file, new_break.class_len); + new_break.opline_num = opline; + new_break.opline = 0; + + switch (phpdbg_resolve_opline_break(&new_break TSRMLS_CC)) { + case FAILURE: + phpdbg_notice("Pending breakpoint #%d at %s:%ld", new_break.id, new_break.class_name, opline); + break; + + case SUCCESS: + phpdbg_notice("Breakpoint #%d added at %s:%ld", new_break.id, new_break.class_name, opline); + break; + + case 2: + return; + } + + if (zend_hash_find(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE], new_break.class_name, new_break.class_len, (void **)&file_table) == FAILURE) { + zend_hash_init(&file_breaks, 8, NULL, phpdbg_opline_breaks_dtor, 0); + zend_hash_update( + &PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE], + new_break.class_name, + new_break.class_len, + (void **)&file_breaks, sizeof(HashTable), (void **)&file_table); + } + + if (zend_hash_index_exists(file_table, opline)) { + phpdbg_notice("Breakpoint already exists for %s:%ld", new_break.class_name, opline); + efree((char*)new_break.class_name); + PHPDBG_G(bp_count)--; + return; + } + + PHPDBG_BREAK_MAPPING(new_break.id, file_table); + + PHPDBG_G(flags) |= PHPDBG_HAS_FILE_OPLINE_BP; + + zend_hash_index_update(file_table, opline, &new_break, sizeof(phpdbg_breakopline_t), NULL); +} + +PHPDBG_API void phpdbg_set_breakpoint_opcode(const char *name, size_t name_len TSRMLS_DC) /* {{{ */ +{ + phpdbg_breakop_t new_break; + zend_ulong hash = zend_hash_func(name, name_len); + + if (zend_hash_index_exists(&PHPDBG_G(bp)[PHPDBG_BREAK_OPCODE], hash)) { + phpdbg_notice( + "Breakpoint exists for %s", name); + return; + } + + PHPDBG_BREAK_INIT(new_break, PHPDBG_BREAK_OPCODE); + new_break.hash = hash; + new_break.name = estrndup(name, name_len); + + zend_hash_index_update(&PHPDBG_G(bp)[PHPDBG_BREAK_OPCODE], hash, + &new_break, sizeof(phpdbg_breakop_t), NULL); + + PHPDBG_G(flags) |= PHPDBG_HAS_OPCODE_BP; + + phpdbg_notice("Breakpoint #%d added at %s", new_break.id, name); + PHPDBG_BREAK_MAPPING(new_break.id, &PHPDBG_G(bp)[PHPDBG_BREAK_OPCODE]); +} /* }}} */ + +PHPDBG_API void phpdbg_set_breakpoint_opline_ex(phpdbg_opline_ptr_t opline TSRMLS_DC) /* {{{ */ +{ + if (!zend_hash_index_exists(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE], (zend_ulong) opline)) { + phpdbg_breakline_t new_break; + + PHPDBG_G(flags) |= PHPDBG_HAS_OPLINE_BP; + + PHPDBG_BREAK_INIT(new_break, PHPDBG_BREAK_OPLINE); + new_break.opline = (zend_ulong) opline; + + zend_hash_index_update(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE], + (zend_ulong) opline, &new_break, sizeof(phpdbg_breakline_t), NULL); + + phpdbg_notice("Breakpoint #%d added at %#lx", + new_break.id, new_break.opline); + PHPDBG_BREAK_MAPPING(new_break.id, &PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE]); + } +} /* }}} */ + +static inline void phpdbg_create_conditional_break(phpdbg_breakcond_t *brake, const phpdbg_param_t *param, const char *expr, size_t expr_len, zend_ulong hash TSRMLS_DC) /* {{{ */ +{ + phpdbg_breakcond_t new_break; + zend_uint cops = CG(compiler_options); + zval pv; + + PHPDBG_BREAK_INIT(new_break, PHPDBG_BREAK_COND); + new_break.hash = hash; + + if (param) { + new_break.paramed = 1; + phpdbg_copy_param( + param, &new_break.param TSRMLS_CC); + } else { + new_break.paramed = 0; + } + + cops = CG(compiler_options); + + CG(compiler_options) = ZEND_COMPILE_DEFAULT_FOR_EVAL; + + new_break.code = estrndup(expr, expr_len); + new_break.code_len = expr_len; + + Z_STRLEN(pv) = expr_len + sizeof("return ;") - 1; + Z_STRVAL(pv) = emalloc(Z_STRLEN(pv) + 1); + memcpy(Z_STRVAL(pv), "return ", sizeof("return ") - 1); + memcpy(Z_STRVAL(pv) + sizeof("return ") - 1, expr, expr_len); + Z_STRVAL(pv)[Z_STRLEN(pv) - 1] = ';'; + Z_STRVAL(pv)[Z_STRLEN(pv)] = '\0'; + Z_TYPE(pv) = IS_STRING; + + new_break.ops = zend_compile_string( + &pv, "Conditional Breakpoint Code" TSRMLS_CC); + + zval_dtor(&pv); + + if (new_break.ops) { + zend_hash_index_update( + &PHPDBG_G(bp)[PHPDBG_BREAK_COND], hash, &new_break, + sizeof(phpdbg_breakcond_t), (void**)&brake); + + phpdbg_notice("Conditional breakpoint #%d added %s/%p", + brake->id, brake->code, brake->ops); + + PHPDBG_G(flags) |= PHPDBG_HAS_COND_BP; + PHPDBG_BREAK_MAPPING(new_break.id, &PHPDBG_G(bp)[PHPDBG_BREAK_COND]); + } else { + phpdbg_error( + "Failed to compile code for expression %s", expr); + efree((char*)new_break.code); + PHPDBG_G(bp_count)--; + } + CG(compiler_options) = cops; +} /* }}} */ + +PHPDBG_API void phpdbg_set_breakpoint_expression(const char *expr, size_t expr_len TSRMLS_DC) /* {{{ */ +{ + zend_ulong expr_hash = zend_inline_hash_func(expr, expr_len); + phpdbg_breakcond_t new_break; + + if (!zend_hash_index_exists(&PHPDBG_G(bp)[PHPDBG_BREAK_COND], expr_hash)) { + phpdbg_create_conditional_break( + &new_break, NULL, expr, expr_len, expr_hash TSRMLS_CC); + } else { + phpdbg_notice("Conditional break %s exists", expr); + } +} /* }}} */ + +PHPDBG_API void phpdbg_set_breakpoint_at(const phpdbg_param_t *param TSRMLS_DC) /* {{{ */ +{ + phpdbg_breakcond_t new_break; + phpdbg_param_t *condition; + zend_ulong hash = 0L; + + if (param->next) { + condition = param->next; + hash = zend_inline_hash_func(condition->str, condition->len); + + if (!zend_hash_index_exists(&PHPDBG_G(bp)[PHPDBG_BREAK_COND], hash)) { + phpdbg_create_conditional_break( + &new_break, param, + condition->str, condition->len, hash TSRMLS_CC); + } else { + phpdbg_notice( + "Conditional break %s exists at the specified location", condition->str); + } + } + +} /* }}} */ + +static inline phpdbg_breakbase_t *phpdbg_find_breakpoint_file(zend_op_array *op_array TSRMLS_DC) /* {{{ */ +{ + HashTable *breaks; + phpdbg_breakbase_t *brake; + size_t name_len = strlen(op_array->filename); + + if (zend_hash_find(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE], op_array->filename, + name_len, (void**)&breaks) == FAILURE) { + return NULL; + } + + if (zend_hash_index_find(breaks, (*EG(opline_ptr))->lineno, (void**)&brake) == SUCCESS) { + return brake; + } + + return NULL; +} /* }}} */ + +static inline phpdbg_breakbase_t *phpdbg_find_breakpoint_symbol(zend_function *fbc TSRMLS_DC) /* {{{ */ +{ + const char *fname; + zend_op_array *ops; + phpdbg_breakbase_t *brake; + + if (fbc->type != ZEND_USER_FUNCTION) { + return NULL; + } + + ops = (zend_op_array*)fbc; + + if (ops->scope) { + /* find method breaks here */ + return phpdbg_find_breakpoint_method(ops TSRMLS_CC); + } + + fname = ops->function_name; + + if (!fname) { + fname = "main"; + } + + if (zend_hash_find(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM], fname, strlen(fname), (void**)&brake) == SUCCESS) { + return brake; + } + + return NULL; +} /* }}} */ + +static inline phpdbg_breakbase_t *phpdbg_find_breakpoint_method(zend_op_array *ops TSRMLS_DC) /* {{{ */ +{ + HashTable *class_table; + phpdbg_breakbase_t *brake; + + if (zend_hash_find(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD], ops->scope->name, + ops->scope->name_length, (void**)&class_table) == SUCCESS) { + char *lcname = zend_str_tolower_dup(ops->function_name, strlen(ops->function_name)); + size_t lcname_len = strlen(lcname); + + if (zend_hash_find( + class_table, + lcname, + lcname_len, (void**)&brake) == SUCCESS) { + efree(lcname); + return brake; + } + + efree(lcname); + } + + return NULL; +} /* }}} */ + +static inline phpdbg_breakbase_t *phpdbg_find_breakpoint_opline(phpdbg_opline_ptr_t opline TSRMLS_DC) /* {{{ */ +{ + phpdbg_breakline_t *brake; + + if (zend_hash_index_find(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE], + (zend_ulong) opline, (void**)&brake) == SUCCESS) { + return (brake->base?(phpdbg_breakbase_t *)brake->base:(phpdbg_breakbase_t *)brake); + } + + return NULL; +} /* }}} */ + +static inline phpdbg_breakbase_t *phpdbg_find_breakpoint_opcode(zend_uchar opcode TSRMLS_DC) /* {{{ */ +{ + phpdbg_breakbase_t *brake; + const char *opname = phpdbg_decode_opcode(opcode); + + if (memcmp(opname, PHPDBG_STRL("UNKNOWN")) == 0) { + return NULL; + } + + if (zend_hash_index_find(&PHPDBG_G(bp)[PHPDBG_BREAK_OPCODE], + zend_hash_func(opname, strlen(opname)), (void**)&brake) == SUCCESS) { + return brake; + } + return NULL; +} /* }}} */ + +static inline zend_bool phpdbg_find_breakpoint_param(phpdbg_param_t *param, zend_execute_data *execute_data TSRMLS_DC) /* {{{ */ +{ + zend_function *function = (zend_function*) execute_data->function_state.function; + + switch (param->type) { + case NUMERIC_FUNCTION_PARAM: + case STR_PARAM: { + /* function breakpoint */ + + if (function->type != ZEND_USER_FUNCTION) { + return 0; + } + + { + const char *str = NULL; + size_t len = 0L; + zend_op_array *ops = (zend_op_array*)function; + str = ops->function_name ? ops->function_name : "main"; + len = strlen(str); + + if (len == param->len && memcmp(param->str, str, len) == SUCCESS) { + return param->type == STR_PARAM || execute_data->opline - ops->opcodes == param->num; + } + } + } break; + + case FILE_PARAM: { + if (param->file.line == zend_get_executed_lineno(TSRMLS_C)) { + const char *str = zend_get_executed_filename(TSRMLS_C); + size_t lengths[2] = {strlen(param->file.name), strlen(str)}; + + if (lengths[0] == lengths[1]) { + return (memcmp( + param->file.name, str, lengths[0]) == SUCCESS); + } + } + } break; + + case NUMERIC_METHOD_PARAM: + case METHOD_PARAM: { + if (function->type != ZEND_USER_FUNCTION) { + return 0; + } + + { + zend_op_array *ops = (zend_op_array*) function; + + if (ops->scope) { + size_t lengths[2] = {strlen(param->method.class), ops->scope->name_length}; + if (lengths[0] == lengths[1] && memcmp(param->method.class, ops->scope->name, lengths[0]) == SUCCESS) { + lengths[0] = strlen(param->method.name); + lengths[1] = strlen(ops->function_name); + + if (lengths[0] == lengths[1] && memcmp(param->method.name, ops->function_name, lengths[0]) == SUCCESS) { + return param->type == METHOD_PARAM || (execute_data->opline - ops->opcodes) == param->num; + } + } + } + } + } break; + + case ADDR_PARAM: { + return ((zend_ulong)(phpdbg_opline_ptr_t)execute_data->opline == param->addr); + } break; + + default: { + /* do nothing */ + } break; + } + return 0; +} /* }}} */ + +static inline phpdbg_breakbase_t *phpdbg_find_conditional_breakpoint(zend_execute_data *execute_data TSRMLS_DC) /* {{{ */ +{ + phpdbg_breakcond_t *bp; + HashPosition position; + int breakpoint = FAILURE; + + for (zend_hash_internal_pointer_reset_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_COND], &position); + zend_hash_get_current_data_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_COND], (void*)&bp, &position) == SUCCESS; + zend_hash_move_forward_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_COND], &position)) { + zval *retval = NULL; + int orig_interactive = CG(interactive); + zval **orig_retval = EG(return_value_ptr_ptr); + zend_op_array *orig_ops = EG(active_op_array); + zend_op **orig_opline = EG(opline_ptr); + + if (((phpdbg_breakbase_t*)bp)->disabled) { + continue; + } + + if (bp->paramed) { + if (!phpdbg_find_breakpoint_param(&bp->param, execute_data TSRMLS_CC)) { + continue; + } + } + + ALLOC_INIT_ZVAL(retval); + + EG(return_value_ptr_ptr) = &retval; + EG(active_op_array) = bp->ops; + EG(no_extensions) = 1; + + if (!EG(active_symbol_table)) { + zend_rebuild_symbol_table(TSRMLS_C); + } + + CG(interactive) = 0; + + zend_try { + PHPDBG_G(flags) |= PHPDBG_IN_COND_BP; + zend_execute(EG(active_op_array) TSRMLS_CC); +#if PHP_VERSION_ID >= 50700 + if (zend_is_true(retval TSRMLS_CC)) { +#else + if (zend_is_true(retval)) { +#endif + breakpoint = SUCCESS; + } + } zend_catch { + CG(interactive) = orig_interactive; + + EG(no_extensions)=1; + EG(return_value_ptr_ptr) = orig_retval; + EG(active_op_array) = orig_ops; + EG(opline_ptr) = orig_opline; + PHPDBG_G(flags) &= ~PHPDBG_IN_COND_BP; + } zend_end_try(); + + CG(interactive) = orig_interactive; + + EG(no_extensions)=1; + EG(return_value_ptr_ptr) = orig_retval; + EG(active_op_array) = orig_ops; + EG(opline_ptr) = orig_opline; + PHPDBG_G(flags) &= ~PHPDBG_IN_COND_BP; + + if (breakpoint == SUCCESS) { + break; + } + } + + return (breakpoint == SUCCESS) ? ((phpdbg_breakbase_t*)bp) : NULL; +} /* }}} */ + +PHPDBG_API phpdbg_breakbase_t *phpdbg_find_breakpoint(zend_execute_data* execute_data TSRMLS_DC) /* {{{ */ +{ + phpdbg_breakbase_t *base = NULL; + + if (!(PHPDBG_G(flags) & PHPDBG_IS_BP_ENABLED)) { + return NULL; + } + + /* conditions cannot be executed by eval()'d code */ + if (!(PHPDBG_G(flags) & PHPDBG_IN_EVAL) && + (PHPDBG_G(flags) & PHPDBG_HAS_COND_BP) && + (base = phpdbg_find_conditional_breakpoint(execute_data TSRMLS_CC))) { + goto result; + } + + if ((PHPDBG_G(flags) & PHPDBG_HAS_FILE_BP) && + (base = phpdbg_find_breakpoint_file(execute_data->op_array TSRMLS_CC))) { + goto result; + } + + if (PHPDBG_G(flags) & (PHPDBG_HAS_METHOD_BP|PHPDBG_HAS_SYM_BP)) { + /* check we are at the beginning of the stack */ + if (execute_data->opline == EG(active_op_array)->opcodes) { + if ((base = phpdbg_find_breakpoint_symbol( + execute_data->function_state.function TSRMLS_CC))) { + goto result; + } + } + } + + if ((PHPDBG_G(flags) & PHPDBG_HAS_OPLINE_BP) && + (base = phpdbg_find_breakpoint_opline(execute_data->opline TSRMLS_CC))) { + goto result; + } + + if ((PHPDBG_G(flags) & PHPDBG_HAS_OPCODE_BP) && + (base = phpdbg_find_breakpoint_opcode(execute_data->opline->opcode TSRMLS_CC))) { + goto result; + } + + return NULL; + +result: + /* we return nothing for disable breakpoints */ + if (base->disabled) { + return NULL; + } + + return base; +} /* }}} */ + +PHPDBG_API void phpdbg_delete_breakpoint(zend_ulong num TSRMLS_DC) /* {{{ */ +{ + HashTable **table; + HashPosition position; + phpdbg_breakbase_t *brake; + + if ((brake = phpdbg_find_breakbase_ex(num, &table, &position TSRMLS_CC))) { + char *key; + zend_uint klen; + zend_ulong idx; + int type = brake->type; + char *name = NULL; + size_t name_len = 0L; + + switch (type) { + case PHPDBG_BREAK_FILE: + case PHPDBG_BREAK_METHOD: + if (zend_hash_num_elements((*table)) == 1) { + name = estrdup(brake->name); + name_len = strlen(name); + if (zend_hash_num_elements(&PHPDBG_G(bp)[type]) == 1) { + PHPDBG_G(flags) &= ~(1<<(brake->type+1)); + } + } + break; + + default: { + if (zend_hash_num_elements((*table)) == 1) { + PHPDBG_G(flags) &= ~(1<<(brake->type+1)); + } + } + } + + switch (type) { + case PHPDBG_BREAK_FILE_OPLINE: + case PHPDBG_BREAK_FUNCTION_OPLINE: + case PHPDBG_BREAK_METHOD_OPLINE: + if (zend_hash_num_elements(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE]) == 1) { + PHPDBG_G(flags) &= PHPDBG_HAS_OPLINE_BP; + } + zend_hash_index_del(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE], ((phpdbg_breakopline_t*)brake)->opline); + } + + switch (zend_hash_get_current_key_ex( + (*table), &key, &klen, &idx, 0, &position)) { + + case HASH_KEY_IS_STRING: + zend_hash_del((*table), key, klen); + break; + + default: + zend_hash_index_del((*table), idx); + } + + switch (type) { + case PHPDBG_BREAK_FILE: + case PHPDBG_BREAK_METHOD: + if (name) { + zend_hash_del(&PHPDBG_G(bp)[type], name, name_len); + efree(name); + } + break; + } + + phpdbg_notice("Deleted breakpoint #%ld", num); + PHPDBG_BREAK_UNMAPPING(num); + } else { + phpdbg_error("Failed to find breakpoint #%ld", num); + } +} /* }}} */ + +PHPDBG_API void phpdbg_clear_breakpoints(TSRMLS_D) /* {{{ */ +{ + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_OPCODE]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_COND]); + zend_hash_clean(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP]); + + PHPDBG_G(flags) &= ~PHPDBG_BP_MASK; + + PHPDBG_G(bp_count) = 0; +} /* }}} */ + +PHPDBG_API void phpdbg_hit_breakpoint(phpdbg_breakbase_t *brake, zend_bool output TSRMLS_DC) /* {{{ */ +{ + brake->hits++; + + if (output) { + phpdbg_print_breakpoint(brake TSRMLS_CC); + } +} /* }}} */ + +PHPDBG_API void phpdbg_print_breakpoint(phpdbg_breakbase_t *brake TSRMLS_DC) /* {{{ */ +{ + if (!brake) + goto unknown; + + switch (brake->type) { + case PHPDBG_BREAK_FILE: { + phpdbg_notice("Breakpoint #%d at %s:%ld, hits: %lu", + ((phpdbg_breakfile_t*)brake)->id, + ((phpdbg_breakfile_t*)brake)->filename, + ((phpdbg_breakfile_t*)brake)->line, + ((phpdbg_breakfile_t*)brake)->hits); + } break; + + case PHPDBG_BREAK_SYM: { + phpdbg_notice("Breakpoint #%d in %s() at %s:%u, hits: %lu", + ((phpdbg_breaksymbol_t*)brake)->id, + ((phpdbg_breaksymbol_t*)brake)->symbol, + zend_get_executed_filename(TSRMLS_C), + zend_get_executed_lineno(TSRMLS_C), + ((phpdbg_breakfile_t*)brake)->hits); + } break; + + case PHPDBG_BREAK_OPLINE: { + phpdbg_notice("Breakpoint #%d in %#lx at %s:%u, hits: %lu", + ((phpdbg_breakline_t*)brake)->id, + ((phpdbg_breakline_t*)brake)->opline, + zend_get_executed_filename(TSRMLS_C), + zend_get_executed_lineno(TSRMLS_C), + ((phpdbg_breakline_t*)brake)->hits); + } break; + + case PHPDBG_BREAK_METHOD_OPLINE: { + phpdbg_notice("Breakpoint #%d in %s::%s()#%lu at %s:%u, hits: %lu", + ((phpdbg_breakopline_t*)brake)->id, + ((phpdbg_breakopline_t*)brake)->class_name, + ((phpdbg_breakopline_t*)brake)->func_name, + ((phpdbg_breakopline_t*)brake)->opline_num, + zend_get_executed_filename(TSRMLS_C), + zend_get_executed_lineno(TSRMLS_C), + ((phpdbg_breakopline_t*)brake)->hits); + } break; + + case PHPDBG_BREAK_FUNCTION_OPLINE: { + phpdbg_notice("Breakpoint #%d in %s()#%lu at %s:%u, hits: %lu", + ((phpdbg_breakopline_t*)brake)->id, + ((phpdbg_breakopline_t*)brake)->func_name, + ((phpdbg_breakopline_t*)brake)->opline_num, + zend_get_executed_filename(TSRMLS_C), + zend_get_executed_lineno(TSRMLS_C), + ((phpdbg_breakopline_t*)brake)->hits); + } break; + + case PHPDBG_BREAK_FILE_OPLINE: { + phpdbg_notice("Breakpoint #%d in %s:%lu at %s:%u, hits: %lu", + ((phpdbg_breakopline_t*)brake)->id, + ((phpdbg_breakopline_t*)brake)->class_name, + ((phpdbg_breakopline_t*)brake)->opline_num, + zend_get_executed_filename(TSRMLS_C), + zend_get_executed_lineno(TSRMLS_C), + ((phpdbg_breakopline_t*)brake)->hits); + } break; + + case PHPDBG_BREAK_OPCODE: { + phpdbg_notice("Breakpoint #%d in %s at %s:%u, hits: %lu", + ((phpdbg_breakop_t*)brake)->id, + ((phpdbg_breakop_t*)brake)->name, + zend_get_executed_filename(TSRMLS_C), + zend_get_executed_lineno(TSRMLS_C), + ((phpdbg_breakop_t*)brake)->hits); + } break; + + case PHPDBG_BREAK_METHOD: { + phpdbg_notice("Breakpoint #%d in %s::%s() at %s:%u, hits: %lu", + ((phpdbg_breakmethod_t*)brake)->id, + ((phpdbg_breakmethod_t*)brake)->class_name, + ((phpdbg_breakmethod_t*)brake)->func_name, + zend_get_executed_filename(TSRMLS_C), + zend_get_executed_lineno(TSRMLS_C), + ((phpdbg_breakmethod_t*)brake)->hits); + } break; + + case PHPDBG_BREAK_COND: { + if (((phpdbg_breakcond_t*)brake)->paramed) { + char *param; + phpdbg_notice("Conditional breakpoint #%d: at %s if %s %s:%u, hits: %lu", + ((phpdbg_breakcond_t*)brake)->id, + phpdbg_param_tostring(&((phpdbg_breakcond_t*)brake)->param, ¶m TSRMLS_CC), + ((phpdbg_breakcond_t*)brake)->code, + zend_get_executed_filename(TSRMLS_C), + zend_get_executed_lineno(TSRMLS_C), + ((phpdbg_breakcond_t*)brake)->hits); + if (param) + free(param); + } else { + phpdbg_notice("Conditional breakpoint #%d: on %s == true %s:%u, hits: %lu", + ((phpdbg_breakcond_t*)brake)->id, + ((phpdbg_breakcond_t*)brake)->code, + zend_get_executed_filename(TSRMLS_C), + zend_get_executed_lineno(TSRMLS_C), + ((phpdbg_breakcond_t*)brake)->hits); + } + + } break; + + default: { +unknown: + phpdbg_notice("Unknown breakpoint at %s:%u", + zend_get_executed_filename(TSRMLS_C), + zend_get_executed_lineno(TSRMLS_C)); + } + } +} /* }}} */ + +PHPDBG_API void phpdbg_enable_breakpoint(zend_ulong id TSRMLS_DC) /* {{{ */ +{ + phpdbg_breakbase_t *brake = phpdbg_find_breakbase(id TSRMLS_CC); + + if (brake) { + brake->disabled = 0; + } +} /* }}} */ + +PHPDBG_API void phpdbg_disable_breakpoint(zend_ulong id TSRMLS_DC) /* {{{ */ +{ + phpdbg_breakbase_t *brake = phpdbg_find_breakbase(id TSRMLS_CC); + + if (brake) { + brake->disabled = 1; + } +} /* }}} */ + +PHPDBG_API void phpdbg_enable_breakpoints(TSRMLS_D) /* {{{ */ +{ + PHPDBG_G(flags) |= PHPDBG_IS_BP_ENABLED; +} /* }}} */ + +PHPDBG_API void phpdbg_disable_breakpoints(TSRMLS_D) { /* {{{ */ + PHPDBG_G(flags) &= ~PHPDBG_IS_BP_ENABLED; +} /* }}} */ + +PHPDBG_API phpdbg_breakbase_t *phpdbg_find_breakbase(zend_ulong id TSRMLS_DC) /* {{{ */ +{ + HashTable **table; + HashPosition position; + + return phpdbg_find_breakbase_ex(id, &table, &position TSRMLS_CC); +} /* }}} */ + +PHPDBG_API phpdbg_breakbase_t *phpdbg_find_breakbase_ex(zend_ulong id, HashTable ***table, HashPosition *position TSRMLS_DC) /* {{{ */ +{ + if (zend_hash_index_find(&PHPDBG_G(bp)[PHPDBG_BREAK_MAP], id, (void**)table) == SUCCESS) { + phpdbg_breakbase_t *brake; + + for (zend_hash_internal_pointer_reset_ex((**table), position); + zend_hash_get_current_data_ex((**table), (void**)&brake, position) == SUCCESS; + zend_hash_move_forward_ex((**table), position)) { + + if (brake->id == id) { + return brake; + } + } + } + return NULL; +} /* }}} */ + +PHPDBG_API void phpdbg_print_breakpoints(zend_ulong type TSRMLS_DC) /* {{{ */ +{ + switch (type) { + case PHPDBG_BREAK_SYM: if ((PHPDBG_G(flags) & PHPDBG_HAS_SYM_BP)) { + HashPosition position; + phpdbg_breaksymbol_t *brake; + + phpdbg_writeln(SEPARATE); + phpdbg_writeln("Function Breakpoints:"); + for (zend_hash_internal_pointer_reset_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM], &position); + zend_hash_get_current_data_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM], (void**) &brake, &position) == SUCCESS; + zend_hash_move_forward_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_SYM], &position)) { + phpdbg_writeln("#%d\t\t%s%s", + brake->id, brake->symbol, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + } + } break; + + case PHPDBG_BREAK_METHOD: if ((PHPDBG_G(flags) & PHPDBG_HAS_METHOD_BP)) { + HashPosition position[2]; + HashTable *class_table; + char *class_name = NULL; + zend_uint class_len = 0; + zend_ulong class_idx = 0L; + + phpdbg_writeln(SEPARATE); + phpdbg_writeln("Method Breakpoints:"); + for (zend_hash_internal_pointer_reset_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD], &position[0]); + zend_hash_get_current_data_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD], (void**) &class_table, &position[0]) == SUCCESS; + zend_hash_move_forward_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD], &position[0])) { + + if (zend_hash_get_current_key_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD], + &class_name, &class_len, &class_idx, 0, &position[0]) == HASH_KEY_IS_STRING) { + phpdbg_breakmethod_t *brake; + + for (zend_hash_internal_pointer_reset_ex(class_table, &position[1]); + zend_hash_get_current_data_ex(class_table, (void**)&brake, &position[1]) == SUCCESS; + zend_hash_move_forward_ex(class_table, &position[1])) { + phpdbg_writeln("#%d\t\t%s::%s%s", + brake->id, brake->class_name, brake->func_name, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + } + } + + } + } break; + + case PHPDBG_BREAK_FILE: if ((PHPDBG_G(flags) & PHPDBG_HAS_FILE_BP)) { + HashPosition position[2]; + HashTable *points; + + phpdbg_writeln(SEPARATE); + phpdbg_writeln("File Breakpoints:"); + for (zend_hash_internal_pointer_reset_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE], &position[0]); + zend_hash_get_current_data_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE], (void**) &points, &position[0]) == SUCCESS; + zend_hash_move_forward_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE], &position[0])) { + phpdbg_breakfile_t *brake; + + for (zend_hash_internal_pointer_reset_ex(points, &position[1]); + zend_hash_get_current_data_ex(points, (void**)&brake, &position[1]) == SUCCESS; + zend_hash_move_forward_ex(points, &position[1])) { + phpdbg_writeln("#%d\t\t%s:%lu%s", + brake->id, brake->filename, brake->line, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + } + } + + } break; + + case PHPDBG_BREAK_OPLINE: if ((PHPDBG_G(flags) & PHPDBG_HAS_OPLINE_BP)) { + HashPosition position; + phpdbg_breakline_t *brake; + + phpdbg_writeln(SEPARATE); + phpdbg_writeln("Opline Breakpoints:"); + for (zend_hash_internal_pointer_reset_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE], &position); + zend_hash_get_current_data_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE], (void**) &brake, &position) == SUCCESS; + zend_hash_move_forward_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_OPLINE], &position)) { + switch (brake->type) { + case PHPDBG_BREAK_METHOD_OPLINE: + case PHPDBG_BREAK_FUNCTION_OPLINE: + case PHPDBG_BREAK_FILE_OPLINE: + phpdbg_writeln("#%d\t\t%#lx\t\t(%s breakpoint)%s", brake->id, brake->opline, + brake->type == PHPDBG_BREAK_METHOD_OPLINE?"method": + brake->type == PHPDBG_BREAK_FUNCTION_OPLINE?"function": + brake->type == PHPDBG_BREAK_FILE_OPLINE?"file": + "--- error ---", + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + break; + + default: + phpdbg_writeln("#%d\t\t%#lx", brake->id, brake->opline); + break; + } + } + } break; + + case PHPDBG_BREAK_METHOD_OPLINE: if ((PHPDBG_G(flags) & PHPDBG_HAS_METHOD_OPLINE_BP)) { + HashPosition position[3]; + HashTable *class_table, *method_table; + char *class_name = NULL, *method_name = NULL; + zend_uint class_len = 0, method_len = 0; + zend_ulong class_idx = 0L, method_idx = 0L; + + phpdbg_writeln(SEPARATE); + phpdbg_writeln("Method opline Breakpoints:"); + for (zend_hash_internal_pointer_reset_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE], &position[0]); + zend_hash_get_current_data_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE], (void**) &class_table, &position[0]) == SUCCESS; + zend_hash_move_forward_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE], &position[0])) { + + if (zend_hash_get_current_key_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_METHOD_OPLINE], + &class_name, &class_len, &class_idx, 0, &position[0]) == HASH_KEY_IS_STRING) { + + for (zend_hash_internal_pointer_reset_ex(class_table, &position[1]); + zend_hash_get_current_data_ex(class_table, (void**) &method_table, &position[1]) == SUCCESS; + zend_hash_move_forward_ex(class_table, &position[1])) { + + if (zend_hash_get_current_key_ex(class_table, + &method_name, &method_len, &method_idx, 0, &position[0]) == HASH_KEY_IS_STRING) { + + phpdbg_breakopline_t *brake; + + for (zend_hash_internal_pointer_reset_ex(method_table, &position[2]); + zend_hash_get_current_data_ex(method_table, (void**)&brake, &position[2]) == SUCCESS; + zend_hash_move_forward_ex(method_table, &position[2])) { + phpdbg_writeln("#%d\t\t%s::%s opline %ld%s", + brake->id, brake->class_name, brake->func_name, brake->opline_num, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + } + } + } + } + + } + } break; + + case PHPDBG_BREAK_FUNCTION_OPLINE: if ((PHPDBG_G(flags) & PHPDBG_HAS_FUNCTION_OPLINE_BP)) { + HashPosition position[2]; + HashTable *function_table; + char *function_name = NULL; + zend_uint function_len = 0; + zend_ulong function_idx = 0L; + + phpdbg_writeln(SEPARATE); + phpdbg_writeln("Function opline Breakpoints:"); + for (zend_hash_internal_pointer_reset_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE], &position[0]); + zend_hash_get_current_data_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE], (void**) &function_table, &position[0]) == SUCCESS; + zend_hash_move_forward_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE], &position[0])) { + + if (zend_hash_get_current_key_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_FUNCTION_OPLINE], + &function_name, &function_len, &function_idx, 0, &position[0]) == HASH_KEY_IS_STRING) { + + phpdbg_breakopline_t *brake; + + for (zend_hash_internal_pointer_reset_ex(function_table, &position[1]); + zend_hash_get_current_data_ex(function_table, (void**)&brake, &position[1]) == SUCCESS; + zend_hash_move_forward_ex(function_table, &position[1])) { + phpdbg_writeln("#%d\t\t%s opline %ld%s", + brake->id, brake->func_name, brake->opline_num, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + } + } + + } + } break; + + case PHPDBG_BREAK_FILE_OPLINE: if ((PHPDBG_G(flags) & PHPDBG_HAS_FILE_OPLINE_BP)) { + HashPosition position[2]; + HashTable *file_table; + char *file_name = NULL; + zend_uint file_len = 0; + zend_ulong file_idx = 0L; + + phpdbg_writeln(SEPARATE); + phpdbg_writeln("File opline Breakpoints:"); + for (zend_hash_internal_pointer_reset_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE], &position[0]); + zend_hash_get_current_data_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE], (void**) &file_table, &position[0]) == SUCCESS; + zend_hash_move_forward_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE], &position[0])) { + + if (zend_hash_get_current_key_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_FILE_OPLINE], + &file_name, &file_len, &file_idx, 0, &position[0]) == HASH_KEY_IS_STRING) { + + phpdbg_breakopline_t *brake; + + for (zend_hash_internal_pointer_reset_ex(file_table, &position[1]); + zend_hash_get_current_data_ex(file_table, (void**)&brake, &position[1]) == SUCCESS; + zend_hash_move_forward_ex(file_table, &position[1])) { + phpdbg_writeln("#%d\t\t%s opline %ld%s", + brake->id, brake->class_name, brake->opline_num, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + } + } + } + } break; + + case PHPDBG_BREAK_COND: if ((PHPDBG_G(flags) & PHPDBG_HAS_COND_BP)) { + HashPosition position; + phpdbg_breakcond_t *brake; + + phpdbg_writeln(SEPARATE); + phpdbg_writeln("Conditional Breakpoints:"); + for (zend_hash_internal_pointer_reset_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_COND], &position); + zend_hash_get_current_data_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_COND], (void**) &brake, &position) == SUCCESS; + zend_hash_move_forward_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_COND], &position)) { + if (brake->paramed) { + switch (brake->param.type) { + case STR_PARAM: + phpdbg_writeln("#%d\t\tat %s if %s%s", + brake->id, + brake->param.str, + brake->code, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + break; + + case NUMERIC_FUNCTION_PARAM: + phpdbg_writeln("#%d\t\tat %s#%ld if %s%s", + brake->id, + brake->param.str, + brake->param.num, + brake->code, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + break; + + case METHOD_PARAM: + phpdbg_writeln("#%d\t\tat %s::%s if %s%s", + brake->id, + brake->param.method.class, + brake->param.method.name, + brake->code, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + break; + + case NUMERIC_METHOD_PARAM: + phpdbg_writeln("#%d\t\tat %s::%s#%ld if %s%s", + brake->id, + brake->param.method.class, + brake->param.method.name, + brake->param.num, + brake->code, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + break; + + case FILE_PARAM: + phpdbg_writeln("#%d\t\tat %s:%lu if %s%s", + brake->id, + brake->param.file.name, + brake->param.file.line, + brake->code, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + break; + + case ADDR_PARAM: + phpdbg_writeln("#%d\t\tat #%lx if %s%s", + brake->id, + brake->param.addr, + brake->code, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + break; + + default: + phpdbg_error("Invalid parameter type for conditional breakpoint"); + return; + } + } else { + phpdbg_writeln("#%d\t\tif %s%s", + brake->id, brake->code, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + } + } + } break; + + case PHPDBG_BREAK_OPCODE: if (PHPDBG_G(flags) & PHPDBG_HAS_OPCODE_BP) { + HashPosition position; + phpdbg_breakop_t *brake; + + phpdbg_writeln(SEPARATE); + phpdbg_writeln("Opcode Breakpoints:"); + for (zend_hash_internal_pointer_reset_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_OPCODE], &position); + zend_hash_get_current_data_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_OPCODE], (void**) &brake, &position) == SUCCESS; + zend_hash_move_forward_ex(&PHPDBG_G(bp)[PHPDBG_BREAK_OPCODE], &position)) { + phpdbg_writeln("#%d\t\t%s%s", + brake->id, brake->name, + ((phpdbg_breakbase_t*)brake)->disabled ? " [disabled]" : ""); + } + } break; + } +} /* }}} */ |