diff options
Diffstat (limited to 'sapi/phpdbg/phpdbg_print.c')
| -rw-r--r-- | sapi/phpdbg/phpdbg_print.c | 253 |
1 files changed, 253 insertions, 0 deletions
diff --git a/sapi/phpdbg/phpdbg_print.c b/sapi/phpdbg/phpdbg_print.c new file mode 100644 index 0000000000..ddd8725337 --- /dev/null +++ b/sapi/phpdbg/phpdbg_print.c @@ -0,0 +1,253 @@ +/* + +----------------------------------------------------------------------+ + | PHP Version 5 | + +----------------------------------------------------------------------+ + | 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> | + +----------------------------------------------------------------------+ +*/ + +#include "phpdbg.h" +#include "phpdbg_print.h" +#include "phpdbg_utils.h" +#include "phpdbg_opcode.h" +#include "phpdbg_prompt.h" + +ZEND_EXTERN_MODULE_GLOBALS(phpdbg); + +#define PHPDBG_PRINT_COMMAND_D(f, h, a, m, l, s) \ + PHPDBG_COMMAND_D_EXP(f, h, a, m, l, s, &phpdbg_prompt_commands[9]) + +const phpdbg_command_t phpdbg_print_commands[] = { + PHPDBG_PRINT_COMMAND_D(exec, "print out the instructions in the execution context", 'e', print_exec, NULL, 0), + PHPDBG_PRINT_COMMAND_D(opline, "print out the instruction in the current opline", 'o', print_opline, NULL, 0), + PHPDBG_PRINT_COMMAND_D(class, "print out the instructions in the specified class", 'c', print_class, NULL, "s"), + PHPDBG_PRINT_COMMAND_D(method, "print out the instructions in the specified method", 'm', print_method, NULL, "m"), + PHPDBG_PRINT_COMMAND_D(func, "print out the instructions in the specified function", 'f', print_func, NULL, "s"), + PHPDBG_PRINT_COMMAND_D(stack, "print out the instructions in the current stack", 's', print_stack, NULL, 0), + PHPDBG_END_COMMAND +}; + +PHPDBG_PRINT(opline) /* {{{ */ +{ + if (EG(in_execution) && EG(current_execute_data)) { + phpdbg_print_opline(EG(current_execute_data), 1 TSRMLS_CC); + } else { + phpdbg_error("Not Executing!"); + } + + return SUCCESS; +} /* }}} */ + +static inline void phpdbg_print_function_helper(zend_function *method TSRMLS_DC) /* {{{ */ +{ + switch (method->type) { + case ZEND_USER_FUNCTION: { + zend_op_array* op_array = &(method->op_array); + HashTable vars; + + if (op_array) { + zend_op *opline = &(op_array->opcodes[0]); + zend_uint opcode = 0, + end = op_array->last-1; + + if (method->common.scope) { + phpdbg_writeln("\tL%d-%d %s::%s() %s", + op_array->line_start, op_array->line_end, + method->common.scope->name, + method->common.function_name, + op_array->filename ? op_array->filename : "unknown"); + } else { + phpdbg_writeln("\tL%d-%d %s() %s", + method->common.function_name ? op_array->line_start : 0, + method->common.function_name ? op_array->line_end : 0, + method->common.function_name ? method->common.function_name : "{main}", + op_array->filename ? op_array->filename : "unknown"); + } + + zend_hash_init(&vars, op_array->last, NULL, NULL, 0); + do { + char *decode = phpdbg_decode_opline(op_array, opline, &vars TSRMLS_CC); + if (decode != NULL) { + phpdbg_writeln("\t\tL%u\t%p %-30s %s", + opline->lineno, + opline, + phpdbg_decode_opcode(opline->opcode), + decode); + free(decode); + } else { + phpdbg_error("\tFailed to decode opline %16p", opline); + } + opline++; + } while (opcode++ < end); + zend_hash_destroy(&vars); + } + } break; + + default: { + if (method->common.scope) { + phpdbg_writeln("\tInternal %s::%s()", method->common.scope->name, method->common.function_name); + } else { + phpdbg_writeln("\tInternal %s()", method->common.function_name); + } + } + } +} /* }}} */ + +PHPDBG_PRINT(exec) /* {{{ */ +{ + if (PHPDBG_G(exec)) { + if (!PHPDBG_G(ops)) { + phpdbg_compile(TSRMLS_C); + } + + if (PHPDBG_G(ops)) { + phpdbg_notice("Context %s", PHPDBG_G(exec)); + + phpdbg_print_function_helper((zend_function*) PHPDBG_G(ops) TSRMLS_CC); + } + } else { + phpdbg_error("No execution context set"); + } + +return SUCCESS; +} /* }}} */ + +PHPDBG_PRINT(stack) /* {{{ */ +{ + zend_op_array *ops = EG(active_op_array); + + if (EG(in_execution) && ops) { + if (ops->function_name) { + if (ops->scope) { + phpdbg_notice("Stack in %s::%s()", ops->scope->name, ops->function_name); + } else { + phpdbg_notice("Stack in %s()", ops->function_name); + } + } else { + if (ops->filename) { + phpdbg_notice("Stack in %s", ops->filename); + } else { + phpdbg_notice("Stack @ %p", ops); + } + } + phpdbg_print_function_helper((zend_function*) ops TSRMLS_CC); + } else { + phpdbg_error("Not Executing!"); + } + + return SUCCESS; +} /* }}} */ + +PHPDBG_PRINT(class) /* {{{ */ +{ + zend_class_entry **ce; + + if (zend_lookup_class(param->str, param->len, &ce TSRMLS_CC) == SUCCESS) { + phpdbg_notice("%s %s: %s", + ((*ce)->type == ZEND_USER_CLASS) ? + "User" : "Internal", + ((*ce)->ce_flags & ZEND_ACC_INTERFACE) ? + "Interface" : + ((*ce)->ce_flags & ZEND_ACC_ABSTRACT) ? + "Abstract Class" : + "Class", + (*ce)->name); + + phpdbg_writeln("Methods (%d):", zend_hash_num_elements(&(*ce)->function_table)); + if (zend_hash_num_elements(&(*ce)->function_table)) { + HashPosition position; + zend_function *method; + + for (zend_hash_internal_pointer_reset_ex(&(*ce)->function_table, &position); + zend_hash_get_current_data_ex(&(*ce)->function_table, (void**) &method, &position) == SUCCESS; + zend_hash_move_forward_ex(&(*ce)->function_table, &position)) { + phpdbg_print_function_helper(method TSRMLS_CC); + } + } + } else { + phpdbg_error("The class %s could not be found", param->str); + } + + return SUCCESS; +} /* }}} */ + +PHPDBG_PRINT(method) /* {{{ */ +{ + zend_class_entry **ce; + + if (zend_lookup_class(param->method.class, strlen(param->method.class), &ce TSRMLS_CC) == SUCCESS) { + zend_function *fbc; + char *lcname = zend_str_tolower_dup(param->method.name, strlen(param->method.name)); + + if (zend_hash_find(&(*ce)->function_table, lcname, strlen(lcname)+1, (void**)&fbc) == SUCCESS) { + phpdbg_notice("%s Method %s", + (fbc->type == ZEND_USER_FUNCTION) ? "User" : "Internal", + fbc->common.function_name); + + phpdbg_print_function_helper(fbc TSRMLS_CC); + } else { + phpdbg_error("The method %s could not be found", param->method.name); + } + + efree(lcname); + } else { + phpdbg_error("The class %s could not be found", param->method.class); + } + + return SUCCESS; +} /* }}} */ + +PHPDBG_PRINT(func) /* {{{ */ +{ + HashTable *func_table = EG(function_table); + zend_function* fbc; + const char *func_name = param->str; + size_t func_name_len = param->len; + char *lcname; + /* search active scope if begins with period */ + if (func_name[0] == '.') { + if (EG(scope)) { + func_name++; + func_name_len--; + + func_table = &EG(scope)->function_table; + } else { + phpdbg_error("No active class"); + return SUCCESS; + } + } else if (!EG(function_table)) { + phpdbg_error("No function table loaded"); + return SUCCESS; + } else { + func_table = EG(function_table); + } + + lcname = zend_str_tolower_dup(func_name, func_name_len); + + if (zend_hash_find(func_table, lcname, strlen(lcname)+1, (void**)&fbc) == SUCCESS) { + phpdbg_notice("%s %s %s", + (fbc->type == ZEND_USER_FUNCTION) ? "User" : "Internal", + (fbc->common.scope) ? "Method" : "Function", + fbc->common.function_name); + + phpdbg_print_function_helper(fbc TSRMLS_CC); + } else { + phpdbg_error("The function %s could not be found", func_name); + } + + efree(lcname); + + return SUCCESS; +} /* }}} */ |