1 /*******************************************************************************
2 Copyright (c) 2016, Michael Wallner <mike@php.net>.
5 Redistribution and use in source and binary forms, with or without
6 modification, are permitted provided that the following conditions are met:
8 * Redistributions of source code must retain the above copyright notice,
9 this list of conditions and the following disclaimer.
10 * Redistributions in binary form must reproduce the above copyright
11 notice, this list of conditions and the following disclaimer in the
12 documentation and/or other materials provided with the distribution.
14 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
18 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
20 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
21 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
22 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *******************************************************************************/
26 #include "php_psi_stdinc.h"
30 #include "ext/standard/info.h"
31 #include "zend_constants.h"
32 #include "zend_operators.h"
38 #define PSI_CPP_SEARCH
39 #include "php_psi_cpp.h"
44 # define PSI_ENGINE "jit"
49 # define PSI_ENGINE "ffi"
52 ZEND_DECLARE_MODULE_GLOBALS(psi
);
55 STD_PHP_INI_ENTRY("psi.engine", PSI_ENGINE
, PHP_INI_SYSTEM
, OnUpdateString
, engine
, zend_psi_globals
, psi_globals
)
56 STD_PHP_INI_ENTRY("psi.directory", "psi.d", PHP_INI_SYSTEM
, OnUpdateString
, directory
, zend_psi_globals
, psi_globals
)
59 static zend_object_handlers psi_object_handlers
;
60 static zend_class_entry
*psi_class_entry
;
62 zend_class_entry
*psi_object_get_class_entry()
64 return psi_class_entry
;
67 static void psi_object_free(zend_object
*o
)
69 psi_object
*obj
= PSI_OBJ(NULL
, o
);
77 zend_object_std_dtor(o
);
80 zend_object
*psi_object_init_ex(zend_class_entry
*ce
, void *data
, void (*dtor
)(void *))
88 o
= ecalloc(1, sizeof(*o
) + zend_object_properties_size(ce
));
93 zend_object_std_init(&o
->std
, ce
);
94 object_properties_init(&o
->std
, ce
);
95 o
->std
.handlers
= &psi_object_handlers
;
99 zend_object
*psi_object_init(zend_class_entry
*ce
)
101 return psi_object_init_ex(ce
, NULL
, NULL
);
104 ZEND_BEGIN_ARG_INFO_EX(ai_psi_dump
, 0, 0, 0)
105 ZEND_ARG_INFO(0, stream
)
107 static PHP_FUNCTION(psi_dump
)
111 int fd
= STDOUT_FILENO
;
113 if (SUCCESS
!= zend_parse_parameters(ZEND_NUM_ARGS(), "|r!", &r
)) {
117 php_stream_from_zval(s
, r
);
119 if (SUCCESS
!= php_stream_cast(s
, PHP_STREAM_AS_FD
| PHP_STREAM_CAST_INTERNAL
, (void **)&fd
, 1)) {
123 psi_context_dump(PSI_G(context
), fd
);
126 ZEND_BEGIN_ARG_INFO_EX(ai_psi_validate
, 0, 0, 1)
127 ZEND_ARG_INFO(0, file
)
128 ZEND_ARG_INFO(0, flags
)
130 static PHP_FUNCTION(psi_validate
)
133 struct psi_parser_input
*I
;
135 struct psi_data D
= {0};
136 struct psi_validate_scope S
= {0};
140 if (psi_check_env("PSI_DEBUG")) {
145 if (SUCCESS
!= zend_parse_parameters(ZEND_NUM_ARGS(), "P|l", &file
, &flags
)) {
149 if (!psi_parser_init(&P
, psi_error_wrapper
, flags
)) {
152 if (!(I
= psi_parser_open_file(&P
, file
->val
, true))) {
157 psi_parser_parse(&P
, I
);
158 psi_data_ctor(&D
, P
.error
, P
.flags
);
159 psi_validate_scope_ctor(&S
);
160 S
.defs
= &P
.preproc
->defs
;
161 RETVAL_BOOL(psi_validate(&S
, &D
, PSI_DATA(&P
)) && !P
.errors
);
162 psi_validate_scope_dtor(&S
);
168 ZEND_BEGIN_ARG_INFO_EX(ai_psi_validate_string
, 0, 0, 1)
169 ZEND_ARG_INFO(0, string
)
171 static PHP_FUNCTION(psi_validate_string
)
174 struct psi_parser_input
*I
;
176 struct psi_data D
= {0};
177 struct psi_validate_scope S
= {0};
181 if (psi_check_env("PSI_DEBUG")) {
186 if (SUCCESS
!= zend_parse_parameters(ZEND_NUM_ARGS(), "S|l", &string
, &flags
)) {
190 if (!psi_parser_init(&P
, psi_error_wrapper
, flags
)) {
193 if (!(I
= psi_parser_open_string(&P
, string
->val
, string
->len
))) {
198 psi_parser_parse(&P
, I
);
199 psi_data_ctor(&D
, P
.error
, P
.flags
);
200 psi_validate_scope_ctor(&S
);
201 S
.defs
= &P
.preproc
->defs
;
202 RETVAL_BOOL(psi_validate(&S
, &D
, PSI_DATA(&P
)) && !P
.errors
);
203 psi_validate_scope_dtor(&S
);
209 static ZEND_RESULT_CODE
psi_ops_load()
211 struct psi_context_ops
*ops
= NULL
;
213 if (!strcasecmp(PSI_G(engine
), "jit")) {
214 ops
= psi_libjit_ops();
218 ops
= psi_libffi_ops();
222 php_error(E_WARNING
, "No PSI engine found");
233 static PHP_MINIT_FUNCTION(psi
)
235 zend_class_entry ce
= {0};
238 REGISTER_INI_ENTRIES();
240 zend_register_long_constant(ZEND_STRL("PSI_DEBUG"), PSI_DEBUG
, CONST_CS
|CONST_PERSISTENT
, module_number
);
241 zend_register_long_constant(ZEND_STRL("PSI_SILENT"), PSI_SILENT
, CONST_CS
|CONST_PERSISTENT
, module_number
);
243 INIT_NS_CLASS_ENTRY(ce
, "psi", "object", NULL
);
244 psi_class_entry
= zend_register_internal_class_ex(&ce
, NULL
);
245 psi_class_entry
->create_object
= psi_object_init
;
247 memcpy(&psi_object_handlers
, zend_get_std_object_handlers(), sizeof(zend_object_handlers
));
248 psi_object_handlers
.offset
= XtOffsetOf(psi_object
, std
);
249 psi_object_handlers
.free_obj
= psi_object_free
;
250 psi_object_handlers
.clone_obj
= NULL
;
252 if (SUCCESS
!= psi_ops_load()) {
256 if (psi_check_env("PSI_DEBUG")) {
259 if (psi_check_env("PSI_SILENT")) {
263 PSI_G(search_path
) = pemalloc(strlen(PSI_G(directory
)) + strlen(psi_cpp_search
) + 1 + 1, 1);
264 sprintf(PSI_G(search_path
), "%s:%s", PSI_G(directory
), psi_cpp_search
);
266 PSI_G(context
) = psi_context_init(NULL
, PSI_G(ops
), psi_error_wrapper
, flags
);
267 psi_context_build(PSI_G(context
), PSI_G(directory
));
272 static PHP_MSHUTDOWN_FUNCTION(psi
)
274 if (psi_check_env("PSI_DUMP")) {
275 psi_context_dump(PSI_G(context
), STDOUT_FILENO
);
278 psi_context_free(&PSI_G(context
));
280 if (PSI_G(ops
)->free
) {
284 UNREGISTER_INI_ENTRIES();
289 #if defined(COMPILE_DL_PSI) && defined(ZTS)
290 static PHP_RINIT_FUNCTION(psi
)
292 ZEND_TSRMLS_CACHE_UPDATE();
297 static PHP_MINFO_FUNCTION(psi
)
299 php_info_print_table_start();
300 php_info_print_table_header(2, "PSI Support", "enabled");
301 php_info_print_table_row(2, "Extension Version", PHP_PSI_VERSION
);
302 php_info_print_table_row(2, "Search Path", PSI_G(search_path
));
303 php_info_print_table_end();
305 php_info_print_table_start();
306 php_info_print_table_header(3, "Used Library", "Compiled", "Linked");
307 php_info_print_table_row(3, "libffi",
308 #ifndef PHP_PSI_LIBFFI_VERSION
309 # define PHP_PSI_LIBFFI_VERSION "unknown"
312 PHP_PSI_LIBFFI_VERSION
, "unknown"
314 "disabled", "disabled"
317 php_info_print_table_row(3, "libjit",
321 "disabled", "disabled"
325 DISPLAY_INI_ENTRIES();
328 static void ptr_free(void *ptr
)
330 free(*(void **) ptr
);
333 static PHP_GINIT_FUNCTION(psi
)
336 struct psi_plist
**bl_decls
= &psi_globals
->blacklist
.decls
;
337 struct psi_plist
**bl_vars
= &psi_globals
->blacklist
.vars
;
339 *bl_decls
= psi_plist_init(ptr_free
);
340 *bl_vars
= psi_plist_init(ptr_free
);
342 #define BL_ADD(D, d) \
344 *D = psi_plist_add(*D, &tmp)
345 #define BL_DECL_ADD(d) BL_ADD(bl_decls, d)
346 #define BL_VAR_ADD(d) BL_ADD(bl_vars, d)
348 BL_DECL_ADD("dlsym");
349 BL_DECL_ADD("alloca");
350 BL_DECL_ADD("atexit");
351 BL_DECL_ADD("at_quick_exit");
354 BL_DECL_ADD("_IO_cookie_init");
355 BL_DECL_ADD("bindresvport6");
358 BL_DECL_ADD("*v*printf");
359 BL_DECL_ADD("*v*scanf");
360 BL_DECL_ADD("vsyslog");
362 /* LFS/LFO for 32bit */
363 BL_DECL_ADD("*stat*64");
364 BL_DECL_ADD("*glob*64");
366 BL_DECL_ADD("getumask");
368 /* using hidden structs */
369 BL_VAR_ADD("_IO_2_*");
372 static PHP_GSHUTDOWN_FUNCTION(psi
)
374 psi_plist_free(psi_globals
->blacklist
.decls
);
377 static const zend_function_entry psi_functions
[] = {
378 PHP_FE(psi_dump
, ai_psi_dump
)
379 PHP_FE(psi_validate
, ai_psi_validate
)
380 PHP_FE(psi_validate_string
, ai_psi_validate_string
)
384 zend_module_entry psi_module_entry
= {
385 STANDARD_MODULE_HEADER
,
390 #if defined(COMPILE_DL_PSI) && defined(ZTS)
391 PHP_RINIT(psi
), /* Replace with NULL if there's nothing to do at request start */
398 ZEND_MODULE_GLOBALS(psi
),
401 NULL
, /* post-deactivate */
402 STANDARD_MODULE_PROPERTIES_EX
405 #ifdef COMPILE_DL_PSI
407 ZEND_TSRMLS_CACHE_DEFINE();
417 * vim600: noet sw=4 ts=4 fdm=marker
418 * vim<600: noet sw=4 ts=4