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/*
+----------------------------------------------------------------------+
| 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);
}
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