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-rw-r--r--Zend/zend_dtrace.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/Zend/zend_dtrace.c b/Zend/zend_dtrace.c
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+++ b/Zend/zend_dtrace.c
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+/*
+ +----------------------------------------------------------------------+
+ | Zend Engine |
+ +----------------------------------------------------------------------+
+ | Copyright (c) 1998-2009 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: David Soria Parra <david.soriaparra@sun.com> |
+ +----------------------------------------------------------------------+
+*/
+
+/* $Id: $ */
+
+#include "zend.h"
+#include "zend_API.h"
+#include "zend_dtrace.h"
+
+#ifdef HAVE_DTRACE
+/* PHP DTrace probes {{{ */
+static inline char *dtrace_get_executed_filename(TSRMLS_D)
+{
+ if (EG(current_execute_data) && EG(current_execute_data)->op_array) {
+ return EG(current_execute_data)->op_array->filename;
+ } else {
+ return zend_get_executed_filename(TSRMLS_C);
+ }
+}
+
+ZEND_API zend_op_array *dtrace_compile_file(zend_file_handle *file_handle, int type TSRMLS_DC)
+{
+ zend_op_array *res;
+ DTRACE_COMPILE_FILE_ENTRY(file_handle->opened_path, file_handle->filename);
+ res = compile_file(file_handle, type TSRMLS_CC);
+ DTRACE_COMPILE_FILE_RETURN(file_handle->opened_path, file_handle->filename);
+
+ return res;
+}
+
+/* We wrap the execute function to have fire the execute-entry/return and function-entry/return probes */
+ZEND_API void dtrace_execute(zend_op_array *op_array TSRMLS_DC)
+{
+ int lineno;
+ char *scope, *filename, *funcname, *classname;
+ scope = filename = funcname = classname = NULL;
+
+ /* we need filename and lineno for both execute and function probes */
+ if (DTRACE_EXECUTE_ENTRY_ENABLED() || DTRACE_EXECUTE_RETURN_ENABLED()
+ || DTRACE_FUNCTION_ENTRY_ENABLED() || DTRACE_FUNCTION_RETURN_ENABLED()) {
+ filename = dtrace_get_executed_filename(TSRMLS_C);
+ lineno = zend_get_executed_lineno(TSRMLS_C);
+ }
+
+ if (DTRACE_FUNCTION_ENTRY_ENABLED() || DTRACE_FUNCTION_RETURN_ENABLED()) {
+ filename = dtrace_get_executed_filename(TSRMLS_C);
+ classname = get_active_class_name(&scope TSRMLS_CC);
+ funcname = get_active_function_name(TSRMLS_C);
+ lineno = zend_get_executed_lineno(TSRMLS_C);
+ }
+
+ if (DTRACE_EXECUTE_ENTRY_ENABLED()) {
+ DTRACE_EXECUTE_ENTRY(filename, lineno);
+ }
+
+ if (DTRACE_FUNCTION_ENTRY_ENABLED() && funcname != NULL) {
+ DTRACE_FUNCTION_ENTRY(funcname, filename, lineno, classname, scope);
+ }
+
+ execute(op_array TSRMLS_CC);
+
+ if (DTRACE_FUNCTION_RETURN_ENABLED() && funcname != NULL) {
+ DTRACE_FUNCTION_RETURN(funcname, filename, lineno, classname, scope);
+ }
+
+ if (DTRACE_EXECUTE_RETURN_ENABLED()) {
+ DTRACE_EXECUTE_RETURN(filename, lineno);
+ }
+}
+
+ZEND_API void dtrace_execute_internal(zend_execute_data *execute_data_ptr, int return_value_used TSRMLS_DC)
+{
+ int lineno;
+ char *filename;
+ if (DTRACE_EXECUTE_ENTRY_ENABLED() || DTRACE_EXECUTE_RETURN_ENABLED()) {
+ filename = dtrace_get_executed_filename(TSRMLS_C);
+ lineno = zend_get_executed_lineno(TSRMLS_C);
+ }
+
+ if (DTRACE_EXECUTE_ENTRY_ENABLED()) {
+ DTRACE_EXECUTE_ENTRY(filename, lineno);
+ }
+
+ execute_internal(execute_data_ptr, return_value_used TSRMLS_CC);
+
+ if (DTRACE_EXECUTE_RETURN_ENABLED()) {
+ DTRACE_EXECUTE_RETURN(filename, lineno);
+ }
+}
+
+/* }}} */
+#endif /* HAVE_DTRACE */
+