name : zend_vm_trace_map.h /* +----------------------------------------------------------------------+ | Zend Engine | +----------------------------------------------------------------------+ | Copyright (c) 1998-2018 Zend Technologies Ltd. (http://www.zend.com) | +----------------------------------------------------------------------+ | This source file is subject to version 2.00 of the Zend 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.zend.com/license/2_00.txt. | | If you did not receive a copy of the Zend license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@zend.com so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Authors: Dmitry Stogov <dmitry@php.net> | +----------------------------------------------------------------------+ */ #include "zend_vm_handlers.h" #include "zend_sort.h" #define GEN_MAP(n, name) do { \ ZVAL_LONG(&tmp, (zend_long)(uintptr_t)zend_opcode_handlers[n]); \ zend_hash_str_add(&vm_trace_ht, #name, sizeof(#name) - 1, &tmp); \ } while (0); #define VM_TRACE_START() do { \ zval tmp; \ zend_hash_init(&vm_trace_ht, 0, NULL, NULL, 1); \ VM_HANDLERS(GEN_MAP) \ zend_vm_trace_init(); \ } while (0) #ifdef _WIN64 # define ADDR_FMT "%016I64x" #elif SIZEOF_SIZE_T == 4 # define ADDR_FMT "%08zx" #elif SIZEOF_SIZE_T == 8 # define ADDR_FMT "%016zx" #else # error "Unknown SIZEOF_SIZE_T" #endif static HashTable vm_trace_ht; static int zend_vm_trace_compare(const Bucket *p1, const Bucket *p2) { if (Z_LVAL(p1->val) > Z_LVAL(p2->val)) { return 1; } else if (Z_LVAL(p1->val) < Z_LVAL(p2->val)) { return -1; } else { return 0; } } static void zend_vm_trace_init(void) { FILE *f; zend_string *key, *prev_key; zval *val; zend_long prev_addr; f = fopen("zend_vm.map", "w+"); if (f) { zend_hash_sort(&vm_trace_ht, (compare_func_t)zend_vm_trace_compare, 0); prev_key = NULL; ZEND_HASH_FOREACH_STR_KEY_VAL(&vm_trace_ht, key, val) { if (prev_key) { fprintf(f, ADDR_FMT" "ADDR_FMT" t %s\n", prev_addr, Z_LVAL_P(val) - prev_addr, ZSTR_VAL(prev_key)); } prev_key = key; prev_addr = Z_LVAL_P(val); } ZEND_HASH_FOREACH_END(); if (prev_key) { fprintf(f, ADDR_FMT" "ADDR_FMT" t %s\n", prev_addr, 0, ZSTR_VAL(prev_key)); } fclose(f); } zend_hash_destroy(&vm_trace_ht); }