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zend_portability.h
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1/*
2 +----------------------------------------------------------------------+
3 | Zend Engine |
4 +----------------------------------------------------------------------+
5 | Copyright (c) Zend Technologies Ltd. (http://www.zend.com) |
6 +----------------------------------------------------------------------+
7 | This source file is subject to version 2.00 of the Zend license, |
8 | that is bundled with this package in the file LICENSE, and is |
9 | available through the world-wide-web at the following url: |
10 | http://www.zend.com/license/2_00.txt. |
11 | If you did not receive a copy of the Zend license and are unable to |
12 | obtain it through the world-wide-web, please send a note to |
13 | license@zend.com so we can mail you a copy immediately. |
14 +----------------------------------------------------------------------+
15 | Authors: Andi Gutmans <andi@php.net> |
16 | Zeev Suraski <zeev@php.net> |
17 | Dmitry Stogov <dmitry@php.net> |
18 +----------------------------------------------------------------------+
19*/
20
21#ifndef ZEND_PORTABILITY_H
22#define ZEND_PORTABILITY_H
23
24#ifdef __cplusplus
25#define BEGIN_EXTERN_C() extern "C" {
26#define END_EXTERN_C() }
27#else
28#define BEGIN_EXTERN_C()
29#define END_EXTERN_C()
30#endif
31
32/*
33 * general definitions
34 */
35
36#ifdef ZEND_WIN32
37# include "zend_config.w32.h"
38# define ZEND_PATHS_SEPARATOR ';'
39#elif defined(__riscos__)
40# include <zend_config.h>
41# define ZEND_PATHS_SEPARATOR ';'
42#else
43# include <zend_config.h>
44# define ZEND_PATHS_SEPARATOR ':'
45#endif
46
47#include "../TSRM/TSRM.h"
48
49#include <stdio.h>
50#include <assert.h>
51#include <math.h>
52
53#ifdef HAVE_UNIX_H
54# include <unix.h>
55#endif
56
57#include <stdarg.h>
58#include <stddef.h>
59
60#ifdef HAVE_DLFCN_H
61# include <dlfcn.h>
62#endif
63
64#include <limits.h>
65
66#if defined(ZEND_WIN32) && !defined(__clang__)
67#include <intrin.h>
68#endif
69
70#include "zend_range_check.h"
71
72/* GCC x.y.z supplies __GNUC__ = x and __GNUC_MINOR__ = y */
73#ifdef __GNUC__
74# define ZEND_GCC_VERSION (__GNUC__ * 1000 + __GNUC_MINOR__)
75#else
76# define ZEND_GCC_VERSION 0
77#endif
78
79/* Compatibility with non-clang compilers */
80#ifndef __has_attribute
81# define __has_attribute(x) 0
82#endif
83#ifndef __has_builtin
84# define __has_builtin(x) 0
85#endif
86#ifndef __has_feature
87# define __has_feature(x) 0
88#endif
89
90#if defined(ZEND_WIN32) && !defined(__clang__)
91# define ZEND_ASSUME(c) __assume(c)
92#elif defined(__clang__) && __has_builtin(__builtin_assume)
93# pragma clang diagnostic ignored "-Wassume"
94# define ZEND_ASSUME(c) __builtin_assume(c)
95#elif defined(PHP_HAVE_BUILTIN_UNREACHABLE) && defined(PHP_HAVE_BUILTIN_EXPECT)
96# define ZEND_ASSUME(c) do { \
97 if (__builtin_expect(!(c), 0)) __builtin_unreachable(); \
98 } while (0)
99#else
100# define ZEND_ASSUME(c)
101#endif
102
103#if ZEND_DEBUG
104# define ZEND_ASSERT(c) assert(c)
105#else
106# define ZEND_ASSERT(c) ZEND_ASSUME(c)
107#endif
108
109#ifdef PHP_HAVE_BUILTIN_UNREACHABLE
110# define _ZEND_UNREACHABLE() __builtin_unreachable()
111#else
112# define _ZEND_UNREACHABLE() ZEND_ASSUME(0)
113#endif
114
115#if ZEND_DEBUG
116# define ZEND_UNREACHABLE() do {ZEND_ASSERT(0); _ZEND_UNREACHABLE();} while (0)
117#else
118# define ZEND_UNREACHABLE() _ZEND_UNREACHABLE()
119#endif
120
121/* pseudo fallthrough keyword; */
122#if defined(__GNUC__) && __GNUC__ >= 7
123# define ZEND_FALLTHROUGH __attribute__((__fallthrough__))
124#else
125# define ZEND_FALLTHROUGH ((void)0)
126#endif
127
128/* Only use this macro if you know for sure that all of the switches values
129 are covered by its case statements */
130#define EMPTY_SWITCH_DEFAULT_CASE() default: ZEND_UNREACHABLE(); break;
131
132#if defined(__GNUC__) && __GNUC__ >= 4
133# define ZEND_IGNORE_VALUE(x) (({ __typeof__ (x) __x = (x); (void) __x; }))
134#else
135# define ZEND_IGNORE_VALUE(x) ((void) (x))
136#endif
137
138#define zend_quiet_write(...) ZEND_IGNORE_VALUE(write(__VA_ARGS__))
139
140/* all HAVE_XXX test have to be after the include of zend_config above */
141
142#if defined(HAVE_LIBDL) && !defined(ZEND_WIN32)
143
144# if __has_feature(address_sanitizer) && !defined(__SANITIZE_ADDRESS__)
145# define __SANITIZE_ADDRESS__
146# endif
147
148# ifndef RTLD_LAZY
149# define RTLD_LAZY 1 /* Solaris 1, FreeBSD's (2.1.7.1 and older) */
150# endif
151
152# ifndef RTLD_GLOBAL
153# define RTLD_GLOBAL 0
154# endif
155
156# ifdef PHP_USE_RTLD_NOW
157# define PHP_RTLD_MODE RTLD_NOW
158# else
159# define PHP_RTLD_MODE RTLD_LAZY
160# endif
161
162# if defined(RTLD_GROUP) && defined(RTLD_WORLD) && defined(RTLD_PARENT)
163# define DL_LOAD(libname) dlopen(libname, PHP_RTLD_MODE | RTLD_GLOBAL | RTLD_GROUP | RTLD_WORLD | RTLD_PARENT)
164# elif defined(RTLD_DEEPBIND) && !defined(__SANITIZE_ADDRESS__) && !__has_feature(memory_sanitizer)
165# define DL_LOAD(libname) dlopen(libname, PHP_RTLD_MODE | RTLD_GLOBAL | RTLD_DEEPBIND)
166# else
167# define DL_LOAD(libname) dlopen(libname, PHP_RTLD_MODE | RTLD_GLOBAL)
168# endif
169# define DL_UNLOAD dlclose
170# if defined(DLSYM_NEEDS_UNDERSCORE)
171# define DL_FETCH_SYMBOL(h,s) dlsym((h), "_" s)
172# else
173# define DL_FETCH_SYMBOL dlsym
174# endif
175# define DL_ERROR dlerror
176# define DL_HANDLE void *
177# define ZEND_EXTENSIONS_SUPPORT 1
178#elif defined(ZEND_WIN32)
179# define DL_LOAD(libname) LoadLibrary(libname)
180# define DL_FETCH_SYMBOL GetProcAddress
181# define DL_UNLOAD FreeLibrary
182# define DL_HANDLE HMODULE
183# define ZEND_EXTENSIONS_SUPPORT 1
184#else
185# define DL_HANDLE void *
186# define ZEND_EXTENSIONS_SUPPORT 0
187#endif
188
189#if defined(HAVE_ALLOCA_H) && !defined(_ALLOCA_H)
190# include <alloca.h>
191#endif
192/* AIX requires this to be the first thing in the file. */
193#ifndef __GNUC__
194# ifndef HAVE_ALLOCA_H
195# ifdef _AIX
196# pragma alloca
197# else
198# ifndef alloca /* predefined by HP cc +Olibcalls */
199char *alloca();
200# endif
201# endif
202# endif
203#endif
204
205#if !ZEND_DEBUG && (defined(HAVE_ALLOCA) || (defined (__GNUC__) && __GNUC__ >= 2)) && !(defined(ZTS) && defined(HPUX)) && !defined(__APPLE__)
206# define ZEND_ALLOCA_MAX_SIZE (32 * 1024)
207# define ALLOCA_FLAG(name) \
208 bool name;
209# define SET_ALLOCA_FLAG(name) \
210 name = true
211# define do_alloca_ex(size, limit, use_heap) \
212 ((use_heap = (UNEXPECTED((size) > (limit)))) ? emalloc(size) : alloca(size))
213# define do_alloca(size, use_heap) \
214 do_alloca_ex(size, ZEND_ALLOCA_MAX_SIZE, use_heap)
215# define free_alloca(p, use_heap) \
216 do { if (UNEXPECTED(use_heap)) efree(p); } while (0)
217#else
218# define ALLOCA_FLAG(name)
219# define SET_ALLOCA_FLAG(name)
220# define do_alloca(p, use_heap) emalloc(p)
221# define free_alloca(p, use_heap) efree(p)
222#endif
223
224#if ZEND_GCC_VERSION >= 2096 || __has_attribute(__malloc__)
225# define ZEND_ATTRIBUTE_MALLOC __attribute__ ((__malloc__))
226#elif defined(ZEND_WIN32)
227# define ZEND_ATTRIBUTE_MALLOC __declspec(allocator) __declspec(restrict)
228#else
229# define ZEND_ATTRIBUTE_MALLOC
230#endif
231
232#if ZEND_GCC_VERSION >= 4003 || __has_attribute(alloc_size)
233# define ZEND_ATTRIBUTE_ALLOC_SIZE(X) __attribute__ ((alloc_size(X)))
234# define ZEND_ATTRIBUTE_ALLOC_SIZE2(X,Y) __attribute__ ((alloc_size(X,Y)))
235#else
236# define ZEND_ATTRIBUTE_ALLOC_SIZE(X)
237# define ZEND_ATTRIBUTE_ALLOC_SIZE2(X,Y)
238#endif
239
240#if ZEND_GCC_VERSION >= 3000
241# define ZEND_ATTRIBUTE_CONST __attribute__((const))
242#else
243# define ZEND_ATTRIBUTE_CONST
244#endif
245
246#if ZEND_GCC_VERSION >= 2007 || __has_attribute(format)
247# define ZEND_ATTRIBUTE_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first)))
248#else
249# define ZEND_ATTRIBUTE_FORMAT(type, idx, first)
250#endif
251
252#if (ZEND_GCC_VERSION >= 3001 && !defined(__INTEL_COMPILER)) || __has_attribute(format)
253# define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first) __attribute__ ((format(type, idx, first)))
254#else
255# define ZEND_ATTRIBUTE_PTR_FORMAT(type, idx, first)
256#endif
257
258#if ZEND_GCC_VERSION >= 3001 || __has_attribute(deprecated)
259# define ZEND_ATTRIBUTE_DEPRECATED __attribute__((deprecated))
260#elif defined(ZEND_WIN32)
261# define ZEND_ATTRIBUTE_DEPRECATED __declspec(deprecated)
262#else
263# define ZEND_ATTRIBUTE_DEPRECATED
264#endif
265
266#if ZEND_GCC_VERSION >= 4003 || __has_attribute(unused)
267# define ZEND_ATTRIBUTE_UNUSED __attribute__((unused))
268#else
269# define ZEND_ATTRIBUTE_UNUSED
270#endif
271
272#if ZEND_GCC_VERSION >= 3003 || __has_attribute(nonnull)
273/* All pointer arguments must be non-null */
274# define ZEND_ATTRIBUTE_NONNULL __attribute__((nonnull))
275/* Specified arguments must be non-null (1-based) */
276# define ZEND_ATTRIBUTE_NONNULL_ARGS(...) __attribute__((nonnull(__VA_ARGS__)))
277#else
278# define ZEND_ATTRIBUTE_NONNULL
279# define ZEND_ATTRIBUTE_NONNULL_ARGS(...)
280#endif
281
282#if defined(__GNUC__) && ZEND_GCC_VERSION >= 4003
283# define ZEND_COLD __attribute__((cold))
284# ifdef __OPTIMIZE__
285# define ZEND_OPT_SIZE __attribute__((optimize("Os")))
286# define ZEND_OPT_SPEED __attribute__((optimize("Ofast")))
287# else
288# define ZEND_OPT_SIZE
289# define ZEND_OPT_SPEED
290# endif
291#else
292# define ZEND_COLD
293# define ZEND_OPT_SIZE
294# define ZEND_OPT_SPEED
295#endif
296
297#if defined(__GNUC__) && ZEND_GCC_VERSION >= 5000
298# define ZEND_ATTRIBUTE_UNUSED_LABEL __attribute__((unused));
299# define ZEND_ATTRIBUTE_COLD_LABEL __attribute__((cold));
300#else
301# define ZEND_ATTRIBUTE_UNUSED_LABEL
302# define ZEND_ATTRIBUTE_COLD_LABEL
303#endif
304
305#if defined(__GNUC__) && ZEND_GCC_VERSION >= 3004 && defined(__i386__)
306# define ZEND_FASTCALL __attribute__((fastcall))
307#elif defined(_MSC_VER) && defined(_M_IX86) && _MSC_VER == 1700
308# define ZEND_FASTCALL __fastcall
309#elif defined(_MSC_VER) && _MSC_VER >= 1800
310# define ZEND_FASTCALL __vectorcall
311#else
312# define ZEND_FASTCALL
313#endif
314
315#if (defined(__GNUC__) && __GNUC__ >= 3 && !defined(__INTEL_COMPILER) && !defined(__APPLE__) && !defined(__hpux) && !defined(_AIX) && !defined(__osf__)) || __has_attribute(noreturn)
316# define HAVE_NORETURN
317# define ZEND_NORETURN __attribute__((noreturn))
318#elif defined(ZEND_WIN32)
319# define HAVE_NORETURN
320# define ZEND_NORETURN __declspec(noreturn)
321#else
322# define ZEND_NORETURN
323#endif
324
325#if __has_attribute(force_align_arg_pointer)
326# define ZEND_STACK_ALIGNED __attribute__((force_align_arg_pointer))
327#else
328# define ZEND_STACK_ALIGNED
329#endif
330
331#if (defined(__GNUC__) && __GNUC__ >= 3 && !defined(__INTEL_COMPILER) && !defined(__APPLE__) && !defined(__hpux) && !defined(_AIX) && !defined(__osf__))
332# define HAVE_NORETURN_ALIAS
333# define HAVE_ATTRIBUTE_WEAK
334#endif
335
336#if ZEND_GCC_VERSION >= 3001 || __has_builtin(__builtin_constant_p)
337# define HAVE_BUILTIN_CONSTANT_P
338#endif
339
340#if __has_attribute(element_count)
341#define ZEND_ELEMENT_COUNT(m) __attribute__((element_count(m)))
342#elif __has_attribute(counted_by)
343#define ZEND_ELEMENT_COUNT(m) __attribute__((counted_by(m)))
344#else
345#define ZEND_ELEMENT_COUNT(m)
346#endif
347
348#ifdef HAVE_BUILTIN_CONSTANT_P
349# define ZEND_CONST_COND(_condition, _default) \
350 (__builtin_constant_p(_condition) ? (_condition) : (_default))
351#else
352# define ZEND_CONST_COND(_condition, _default) \
353 (_default)
354#endif
355
356#if ZEND_DEBUG || defined(ZEND_WIN32_NEVER_INLINE)
357# define zend_always_inline inline
358# define zend_never_inline
359#else
360# if defined(__GNUC__)
361# if __GNUC__ >= 3
362# define zend_always_inline inline __attribute__((always_inline))
363# define zend_never_inline __attribute__((noinline))
364# else
365# define zend_always_inline inline
366# define zend_never_inline
367# endif
368# elif defined(_MSC_VER)
369# define zend_always_inline __forceinline
370# define zend_never_inline __declspec(noinline)
371# else
372# if __has_attribute(always_inline)
373# define zend_always_inline inline __attribute__((always_inline))
374# else
375# define zend_always_inline inline
376# endif
377# if __has_attribute(noinline)
378# define zend_never_inline __attribute__((noinline))
379# else
380# define zend_never_inline
381# endif
382# endif
383#endif /* ZEND_DEBUG */
384
385#ifdef PHP_HAVE_BUILTIN_EXPECT
386# define EXPECTED(condition) __builtin_expect(!!(condition), 1)
387# define UNEXPECTED(condition) __builtin_expect(!!(condition), 0)
388#else
389# define EXPECTED(condition) (condition)
390# define UNEXPECTED(condition) (condition)
391#endif
392
393#ifndef XtOffsetOf
394# define XtOffsetOf(s_type, field) offsetof(s_type, field)
395#endif
396
397#ifndef ZEND_WIN32
398# define SETJMP(a) sigsetjmp(a, 0)
399# define LONGJMP(a,b) siglongjmp(a, b)
400# define JMP_BUF sigjmp_buf
401#else
402# define SETJMP(a) setjmp(a)
403# define LONGJMP(a,b) longjmp(a, b)
404# define JMP_BUF jmp_buf
405#endif
406
407#if ZEND_DEBUG
408# define ZEND_FILE_LINE_D const char *__zend_filename, const uint32_t __zend_lineno
409# define ZEND_FILE_LINE_DC , ZEND_FILE_LINE_D
410# define ZEND_FILE_LINE_ORIG_D const char *__zend_orig_filename, const uint32_t __zend_orig_lineno
411# define ZEND_FILE_LINE_ORIG_DC , ZEND_FILE_LINE_ORIG_D
412# define ZEND_FILE_LINE_RELAY_C __zend_filename, __zend_lineno
413# define ZEND_FILE_LINE_RELAY_CC , ZEND_FILE_LINE_RELAY_C
414# define ZEND_FILE_LINE_C __FILE__, __LINE__
415# define ZEND_FILE_LINE_CC , ZEND_FILE_LINE_C
416# define ZEND_FILE_LINE_EMPTY_C NULL, 0
417# define ZEND_FILE_LINE_EMPTY_CC , ZEND_FILE_LINE_EMPTY_C
418# define ZEND_FILE_LINE_ORIG_RELAY_C __zend_orig_filename, __zend_orig_lineno
419# define ZEND_FILE_LINE_ORIG_RELAY_CC , ZEND_FILE_LINE_ORIG_RELAY_C
420#else
421# define ZEND_FILE_LINE_D void
422# define ZEND_FILE_LINE_DC
423# define ZEND_FILE_LINE_ORIG_D void
424# define ZEND_FILE_LINE_ORIG_DC
425# define ZEND_FILE_LINE_RELAY_C
426# define ZEND_FILE_LINE_RELAY_CC
427# define ZEND_FILE_LINE_C
428# define ZEND_FILE_LINE_CC
429# define ZEND_FILE_LINE_EMPTY_C
430# define ZEND_FILE_LINE_EMPTY_CC
431# define ZEND_FILE_LINE_ORIG_RELAY_C
432# define ZEND_FILE_LINE_ORIG_RELAY_CC
433#endif /* ZEND_DEBUG */
434
435#if ZEND_DEBUG
436# define Z_DBG(expr) (expr)
437#else
438# define Z_DBG(expr)
439#endif
440
441#ifdef ZTS
442# define ZTS_V 1
443#else
444# define ZTS_V 0
445#endif
446
447#ifndef LONG_MAX
448# define LONG_MAX 2147483647L
449#endif
450
451#ifndef LONG_MIN
452# define LONG_MIN (- LONG_MAX - 1)
453#endif
454
455#define MAX_LENGTH_OF_DOUBLE 32
456
457#undef MIN
458#undef MAX
459#define MAX(a, b) (((a)>(b))?(a):(b))
460#define MIN(a, b) (((a)<(b))?(a):(b))
461
462#define ZEND_BIT_TEST(bits, bit) \
463 (((bits)[(bit) / (sizeof((bits)[0])*8)] >> ((bit) & (sizeof((bits)[0])*8-1))) & 1)
464
465#define ZEND_INFINITY INFINITY
466
467#define ZEND_NAN NAN
468
469#if defined(__cplusplus) && __cplusplus >= 201103L
470extern "C++" {
471# include <cmath>
472}
473# define zend_isnan std::isnan
474# define zend_isinf std::isinf
475# define zend_finite std::isfinite
476#else
477# include <math.h>
478# define zend_isnan(a) isnan(a)
479# define zend_isinf(a) isinf(a)
480# define zend_finite(a) isfinite(a)
481#endif
482
483#define ZEND_STRL(str) (str), (sizeof(str)-1)
484#define ZEND_STRS(str) (str), (sizeof(str))
485#define ZEND_NORMALIZE_BOOL(n) \
486 ((n) ? (((n)<0) ? -1 : 1) : 0)
487#define ZEND_TRUTH(x) ((x) ? 1 : 0)
488#define ZEND_LOG_XOR(a, b) (ZEND_TRUTH(a) ^ ZEND_TRUTH(b))
489
494#define ZEND_THREEWAY_COMPARE(a, b) ((a) == (b) ? 0 : ((a) < (b) ? -1 : 1))
495
496#define ZEND_MAX_RESERVED_RESOURCES 6
497
498/* excpt.h on Digital Unix 4.0 defines function_table */
499#undef function_table
500
501#ifdef ZEND_WIN32
502#define ZEND_SECURE_ZERO(var, size) RtlSecureZeroMemory((var), (size))
503#else
504#define ZEND_SECURE_ZERO(var, size) explicit_bzero((var), (size))
505#endif
506
507/* This check should only be used on network socket, not file descriptors */
508#ifdef ZEND_WIN32
509#define ZEND_VALID_SOCKET(sock) (INVALID_SOCKET != (sock))
510#else
511#define ZEND_VALID_SOCKET(sock) ((sock) >= 0)
512#endif
513
514/* Intrinsics macros start. */
515
516/* Memory sanitizer is incompatible with ifunc resolvers. Even if the resolver
517 * is marked as no_sanitize("memory") it will still be instrumented and crash. */
518#if __has_feature(memory_sanitizer) || __has_feature(thread_sanitizer) || \
519 __has_feature(dataflow_sanitizer)
520# undef HAVE_FUNC_ATTRIBUTE_IFUNC
521#endif
522
523/* Only use ifunc resolvers if we have __builtin_cpu_supports() and __builtin_cpu_init(),
524 * otherwise the use of zend_cpu_supports() may not be safe inside ifunc resolvers. */
525#if defined(HAVE_FUNC_ATTRIBUTE_IFUNC) && defined(HAVE_FUNC_ATTRIBUTE_TARGET) && \
526 defined(PHP_HAVE_BUILTIN_CPU_SUPPORTS) && defined(PHP_HAVE_BUILTIN_CPU_INIT)
527# define ZEND_INTRIN_HAVE_IFUNC_TARGET 1
528#endif
529
530#if (defined(__i386__) || defined(__x86_64__))
531# if defined(HAVE_TMMINTRIN_H)
532# define PHP_HAVE_SSSE3
533# endif
534
535# if defined(HAVE_NMMINTRIN_H)
536# define PHP_HAVE_SSE4_2
537# endif
538
539# if defined(HAVE_WMMINTRIN_H)
540# define PHP_HAVE_PCLMUL
541# endif
542
543/*
544 * AVX2 support was added in gcc 4.7, but AVX2 intrinsics don't work in
545 * __attribute__((target("avx2"))) functions until gcc 4.9.
546 */
547# if defined(HAVE_IMMINTRIN_H) && \
548 (defined(__llvm__) || defined(__clang__) || (defined(__GNUC__) && ZEND_GCC_VERSION >= 4009))
549# define PHP_HAVE_AVX2
550# endif
551#endif
552
553#ifdef __SSSE3__
554/* Instructions compiled directly. */
555# define ZEND_INTRIN_SSSE3_NATIVE 1
556#elif (defined(HAVE_FUNC_ATTRIBUTE_TARGET) && defined(PHP_HAVE_SSSE3)) || (defined(ZEND_WIN32) && (!defined(_M_ARM64)))
557/* Function resolved by ifunc or MINIT. */
558# define ZEND_INTRIN_SSSE3_RESOLVER 1
559#endif
560
561/* Do not use for conditional declaration of API functions! */
562#if defined(ZEND_INTRIN_SSSE3_RESOLVER) && defined(ZEND_INTRIN_HAVE_IFUNC_TARGET)
563# define ZEND_INTRIN_SSSE3_FUNC_PROTO 1
564#elif defined(ZEND_INTRIN_SSSE3_RESOLVER)
565# define ZEND_INTRIN_SSSE3_FUNC_PTR 1
566#endif
567
568#ifdef ZEND_INTRIN_SSSE3_RESOLVER
569# ifdef HAVE_FUNC_ATTRIBUTE_TARGET
570# define ZEND_INTRIN_SSSE3_FUNC_DECL(func) ZEND_API func __attribute__((target("ssse3")))
571# else
572# define ZEND_INTRIN_SSSE3_FUNC_DECL(func) func
573# endif
574#else
575# define ZEND_INTRIN_SSSE3_FUNC_DECL(func)
576#endif
577
578#ifdef __SSE4_2__
579/* Instructions compiled directly. */
580# define ZEND_INTRIN_SSE4_2_NATIVE 1
581#elif (defined(HAVE_FUNC_ATTRIBUTE_TARGET) && defined(PHP_HAVE_SSE4_2)) || (defined(ZEND_WIN32) && (!defined(_M_ARM64)))
582/* Function resolved by ifunc or MINIT. */
583# define ZEND_INTRIN_SSE4_2_RESOLVER 1
584#endif
585
586/* Do not use for conditional declaration of API functions! */
587#if defined(ZEND_INTRIN_SSE4_2_RESOLVER) && defined(ZEND_INTRIN_HAVE_IFUNC_TARGET)
588# define ZEND_INTRIN_SSE4_2_FUNC_PROTO 1
589#elif defined(ZEND_INTRIN_SSE4_2_RESOLVER)
590# define ZEND_INTRIN_SSE4_2_FUNC_PTR 1
591#endif
592
593#ifdef ZEND_INTRIN_SSE4_2_RESOLVER
594# ifdef HAVE_FUNC_ATTRIBUTE_TARGET
595# define ZEND_INTRIN_SSE4_2_FUNC_DECL(func) ZEND_API func __attribute__((target("sse4.2")))
596# else
597# define ZEND_INTRIN_SSE4_2_FUNC_DECL(func) func
598# endif
599#else
600# define ZEND_INTRIN_SSE4_2_FUNC_DECL(func)
601#endif
602
603#ifdef __PCLMUL__
604/* Instructions compiled directly. */
605# define ZEND_INTRIN_PCLMUL_NATIVE 1
606#elif (defined(HAVE_FUNC_ATTRIBUTE_TARGET) && defined(PHP_HAVE_PCLMUL)) || (defined(ZEND_WIN32) && (!defined(_M_ARM64)))
607/* Function resolved by ifunc or MINIT. */
608# define ZEND_INTRIN_PCLMUL_RESOLVER 1
609#endif
610
611/* Do not use for conditional declaration of API functions! */
612#if defined(ZEND_INTRIN_PCLMUL_RESOLVER) && defined(ZEND_INTRIN_HAVE_IFUNC_TARGET) && (!defined(__GNUC__) || (ZEND_GCC_VERSION >= 9000))
613/* __builtin_cpu_supports has pclmul from gcc9 */
614# define ZEND_INTRIN_PCLMUL_FUNC_PROTO 1
615#elif defined(ZEND_INTRIN_PCLMUL_RESOLVER)
616# define ZEND_INTRIN_PCLMUL_FUNC_PTR 1
617#endif
618
619#ifdef ZEND_INTRIN_PCLMUL_RESOLVER
620# ifdef HAVE_FUNC_ATTRIBUTE_TARGET
621# define ZEND_INTRIN_PCLMUL_FUNC_DECL(func) ZEND_API func __attribute__((target("pclmul")))
622# else
623# define ZEND_INTRIN_PCLMUL_FUNC_DECL(func) func
624# endif
625#else
626# define ZEND_INTRIN_PCLMUL_FUNC_DECL(func)
627#endif
628
629#if defined(ZEND_INTRIN_SSE4_2_NATIVE) && defined(ZEND_INTRIN_PCLMUL_NATIVE)
630/* Instructions compiled directly. */
631# define ZEND_INTRIN_SSE4_2_PCLMUL_NATIVE 1
632#elif (defined(HAVE_FUNC_ATTRIBUTE_TARGET) && defined(PHP_HAVE_SSE4_2) && defined(PHP_HAVE_PCLMUL)) || (defined(ZEND_WIN32) && (!defined(_M_ARM64)))
633/* Function resolved by ifunc or MINIT. */
634# define ZEND_INTRIN_SSE4_2_PCLMUL_RESOLVER 1
635#endif
636
637/* Do not use for conditional declaration of API functions! */
638#if defined(ZEND_INTRIN_SSE4_2_PCLMUL_RESOLVER) && defined(ZEND_INTRIN_HAVE_IFUNC_TARGET) && (!defined(__GNUC__) || (ZEND_GCC_VERSION >= 9000))
639/* __builtin_cpu_supports has pclmul from gcc9 */
640# define ZEND_INTRIN_SSE4_2_PCLMUL_FUNC_PROTO 1
641#elif defined(ZEND_INTRIN_SSE4_2_PCLMUL_RESOLVER)
642# define ZEND_INTRIN_SSE4_2_PCLMUL_FUNC_PTR 1
643#endif
644
645#ifdef ZEND_INTRIN_SSE4_2_PCLMUL_RESOLVER
646# ifdef HAVE_FUNC_ATTRIBUTE_TARGET
647# define ZEND_INTRIN_SSE4_2_PCLMUL_FUNC_DECL(func) ZEND_API func __attribute__((target("sse4.2,pclmul")))
648# else
649# define ZEND_INTRIN_SSE4_2_PCLMUL_FUNC_DECL(func) func
650# endif
651#else
652# define ZEND_INTRIN_SSE4_2_PCLMUL_FUNC_DECL(func)
653#endif
654
655#ifdef __AVX2__
656# define ZEND_INTRIN_AVX2_NATIVE 1
657#elif (defined(HAVE_FUNC_ATTRIBUTE_TARGET) && defined(PHP_HAVE_AVX2)) || (defined(ZEND_WIN32) && (!defined(_M_ARM64)))
658# define ZEND_INTRIN_AVX2_RESOLVER 1
659#endif
660
661/* Do not use for conditional declaration of API functions! */
662#if defined(ZEND_INTRIN_AVX2_RESOLVER) && defined(ZEND_INTRIN_HAVE_IFUNC_TARGET)
663# define ZEND_INTRIN_AVX2_FUNC_PROTO 1
664#elif defined(ZEND_INTRIN_AVX2_RESOLVER)
665# define ZEND_INTRIN_AVX2_FUNC_PTR 1
666#endif
667
668#ifdef ZEND_INTRIN_AVX2_RESOLVER
669# ifdef HAVE_FUNC_ATTRIBUTE_TARGET
670# define ZEND_INTRIN_AVX2_FUNC_DECL(func) ZEND_API func __attribute__((target("avx2")))
671# else
672# define ZEND_INTRIN_AVX2_FUNC_DECL(func) func
673# endif
674#else
675# define ZEND_INTRIN_AVX2_FUNC_DECL(func)
676#endif
677
678#if defined(PHP_HAVE_AVX512_SUPPORTS) && defined(HAVE_FUNC_ATTRIBUTE_TARGET) || defined(ZEND_WIN32)
679#define ZEND_INTRIN_AVX512_RESOLVER 1
680#endif
681
682#if defined(ZEND_INTRIN_AVX512_RESOLVER) && defined(ZEND_INTRIN_HAVE_IFUNC_TARGET)
683# define ZEND_INTRIN_AVX512_FUNC_PROTO 1
684#elif defined(ZEND_INTRIN_AVX512_RESOLVER)
685# define ZEND_INTRIN_AVX512_FUNC_PTR 1
686#endif
687
688#ifdef ZEND_INTRIN_AVX512_RESOLVER
689# ifdef HAVE_FUNC_ATTRIBUTE_TARGET
690# define ZEND_INTRIN_AVX512_FUNC_DECL(func) ZEND_API func __attribute__((target("avx512f,avx512cd,avx512vl,avx512dq,avx512bw")))
691# else
692# define ZEND_INTRIN_AVX512_FUNC_DECL(func) func
693# endif
694#else
695# define ZEND_INTRIN_AVX512_FUNC_DECL(func)
696#endif
697
698#if defined(PHP_HAVE_AVX512_VBMI_SUPPORTS) && defined(HAVE_FUNC_ATTRIBUTE_TARGET)
699#define ZEND_INTRIN_AVX512_VBMI_RESOLVER 1
700#endif
701
702#if defined(ZEND_INTRIN_AVX512_VBMI_RESOLVER) && defined(ZEND_INTRIN_HAVE_IFUNC_TARGET)
703# define ZEND_INTRIN_AVX512_VBMI_FUNC_PROTO 1
704#elif defined(ZEND_INTRIN_AVX512_VBMI_RESOLVER)
705# define ZEND_INTRIN_AVX512_VBMI_FUNC_PTR 1
706#endif
707
708#ifdef ZEND_INTRIN_AVX512_VBMI_RESOLVER
709# ifdef HAVE_FUNC_ATTRIBUTE_TARGET
710# define ZEND_INTRIN_AVX512_VBMI_FUNC_DECL(func) ZEND_API func __attribute__((target("avx512f,avx512cd,avx512vl,avx512dq,avx512bw,avx512vbmi")))
711# else
712# define ZEND_INTRIN_AVX512_VBMI_FUNC_DECL(func) func
713# endif
714#else
715# define ZEND_INTRIN_AVX512_VBMI_FUNC_DECL(func)
716#endif
717
718/* Intrinsics macros end. */
719
720#ifdef ZEND_WIN32
721# define ZEND_SET_ALIGNED(alignment, decl) __declspec(align(alignment)) decl
722#elif defined(HAVE_ATTRIBUTE_ALIGNED)
723# define ZEND_SET_ALIGNED(alignment, decl) decl __attribute__ ((__aligned__ (alignment)))
724#else
725# define ZEND_SET_ALIGNED(alignment, decl) decl
726#endif
727
728#define ZEND_SLIDE_TO_ALIGNED(alignment, ptr) (((uintptr_t)(ptr) + ((alignment)-1)) & ~((alignment)-1))
729#define ZEND_SLIDE_TO_ALIGNED16(ptr) ZEND_SLIDE_TO_ALIGNED(Z_UL(16), ptr)
730
731#ifdef ZEND_WIN32
732# define _ZEND_EXPAND_VA(a) a
733# define ZEND_EXPAND_VA(code) _ZEND_EXPAND_VA(code)
734#else
735# define ZEND_EXPAND_VA(code) code
736#endif
737
738/* On CPU with few registers, it's cheaper to reload value then use spill slot */
739#if defined(__i386__) || (defined(_WIN32) && !defined(_WIN64))
740# define ZEND_PREFER_RELOAD
741#endif
742
743#if defined(ZEND_WIN32) && defined(_DEBUG)
744# define ZEND_IGNORE_LEAKS_BEGIN() _CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG) & ~_CRTDBG_ALLOC_MEM_DF)
745# define ZEND_IGNORE_LEAKS_END() _CrtSetDbgFlag(_CrtSetDbgFlag(_CRTDBG_REPORT_FLAG) | _CRTDBG_ALLOC_MEM_DF)
746#else
747# define ZEND_IGNORE_LEAKS_BEGIN()
748# define ZEND_IGNORE_LEAKS_END()
749#endif
750
751/* MSVC yields C4090 when a (const T **) is passed to a (void *); ZEND_VOIDP works around that */
752#ifdef _MSC_VER
753# define ZEND_VOIDP(ptr) ((void *) ptr)
754#else
755# define ZEND_VOIDP(ptr) (ptr)
756#endif
757
758#if __has_attribute(__indirect_return__)
759# define ZEND_INDIRECT_RETURN __attribute__((__indirect_return__))
760#else
761# define ZEND_INDIRECT_RETURN
762#endif
763
764#define __ZEND_DO_PRAGMA(x) _Pragma(#x)
765#define _ZEND_DO_PRAGMA(x) __ZEND_DO_PRAGMA(x)
766#if defined(__clang__)
767# define ZEND_DIAGNOSTIC_IGNORED_START(warning) \
768 _Pragma("clang diagnostic push") \
769 _ZEND_DO_PRAGMA(clang diagnostic ignored warning)
770# define ZEND_DIAGNOSTIC_IGNORED_END \
771 _Pragma("clang diagnostic pop")
772#elif defined(__GNUC__)
773# define ZEND_DIAGNOSTIC_IGNORED_START(warning) \
774 _Pragma("GCC diagnostic push") \
775 _ZEND_DO_PRAGMA(GCC diagnostic ignored warning)
776# define ZEND_DIAGNOSTIC_IGNORED_END \
777 _Pragma("GCC diagnostic pop")
778#else
779# define ZEND_DIAGNOSTIC_IGNORED_START(warning)
780# define ZEND_DIAGNOSTIC_IGNORED_END
781#endif
782
784#define ZEND_CGG_DIAGNOSTIC_IGNORED_START ZEND_DIAGNOSTIC_IGNORED_START
786#define ZEND_CGG_DIAGNOSTIC_IGNORED_END ZEND_DIAGNOSTIC_IGNORED_END
787
788#if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 201112L) /* C11 */
789# define ZEND_STATIC_ASSERT(c, m) _Static_assert((c), m)
790#else
791# define ZEND_STATIC_ASSERT(c, m)
792#endif
793
794#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) /* C11 */
795typedef max_align_t zend_max_align_t;
796#elif (defined(__cplusplus) && __cplusplus >= 201103L) /* C++11 */
797extern "C++" {
798# include <cstddef>
799}
800typedef std::max_align_t zend_max_align_t;
801#else
802typedef union {
803 char c;
804 short s;
805 int i;
806 long l;
807#if SIZEOF_LONG_LONG
808 long long ll;
809#endif
810 float f;
811 double d;
812 long double ld;
813 void *p;
816#endif
817
818/* Bytes swap */
819#ifdef _MSC_VER
820# include <stdlib.h>
821# define ZEND_BYTES_SWAP32(u) _byteswap_ulong(u)
822# define ZEND_BYTES_SWAP64(u) _byteswap_uint64(u)
823#elif defined(HAVE_BYTESWAP_H)
824# include <byteswap.h>
825# define ZEND_BYTES_SWAP32(u) bswap_32(u)
826# define ZEND_BYTES_SWAP64(u) bswap_64(u)
827#elif defined(HAVE_SYS_BSWAP_H)
828# include <sys/bswap.h>
829# define ZEND_BYTES_SWAP32(u) bswap32(u)
830# define ZEND_BYTES_SWAP64(u) bswap64(u)
831#elif defined(__GNUC__)
832# define ZEND_BYTES_SWAP32(u) __builtin_bswap32(u)
833# define ZEND_BYTES_SWAP64(u) __builtin_bswap64(u)
834#elif defined(__has_builtin)
835# if __has_builtin(__builtin_bswap32)
836# define ZEND_BYTES_SWAP32(u) __builtin_bswap32(u)
837# endif
838# if __has_builtin(__builtin_bswap64)
839# define ZEND_BYTES_SWAP64(u) __builtin_bswap64(u)
840# endif
841#endif
842
843#ifndef ZEND_BYTES_SWAP32
844static zend_always_inline uint32_t ZEND_BYTES_SWAP32(uint32_t u)
845{
846 return (((u & 0xff000000) >> 24)
847 | ((u & 0x00ff0000) >> 8)
848 | ((u & 0x0000ff00) << 8)
849 | ((u & 0x000000ff) << 24));
850}
851#endif
852#ifndef ZEND_BYTES_SWAP64
853static zend_always_inline uint64_t ZEND_BYTES_SWAP64(uint64_t u)
854{
855 return (((u & 0xff00000000000000ULL) >> 56)
856 | ((u & 0x00ff000000000000ULL) >> 40)
857 | ((u & 0x0000ff0000000000ULL) >> 24)
858 | ((u & 0x000000ff00000000ULL) >> 8)
859 | ((u & 0x00000000ff000000ULL) << 8)
860 | ((u & 0x0000000000ff0000ULL) << 24)
861 | ((u & 0x000000000000ff00ULL) << 40)
862 | ((u & 0x00000000000000ffULL) << 56));
863}
864#endif
865
866#ifdef ZEND_WIN32
867/* Whether it's allowed to reattach to a shm segment from different processes on
868 * this platform. This prevents pointing to internal structures from shm due to
869 * ASLR. Currently only possible on Windows. */
870# define ZEND_OPCACHE_SHM_REATTACHMENT 1
871#endif
872
873#endif /* ZEND_PORTABILITY_H */
uint32_t u
Definition cdf.c:78
ZEND_API void(ZEND_FASTCALL *zend_touch_vm_stack_data)(void *vm_stack_data)
char * alloca()
#define zend_always_inline