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