xref: /PHP-7.4/ext/pcre/pcre2lib/sljit/sljitConfig.h (revision 9f2d0395)
1 /*
2  *    Stack-less Just-In-Time compiler
3  *
4  *    Copyright Zoltan Herczeg (hzmester@freemail.hu). All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without modification, are
7  * permitted provided that the following conditions are met:
8  *
9  *   1. Redistributions of source code must retain the above copyright notice, this list of
10  *      conditions and the following disclaimer.
11  *
12  *   2. Redistributions in binary form must reproduce the above copyright notice, this list
13  *      of conditions and the following disclaimer in the documentation and/or other materials
14  *      provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) AND CONTRIBUTORS ``AS IS'' AND ANY
17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
19  * SHALL THE COPYRIGHT HOLDER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
21  * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
22  * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
24  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25  */
26 
27 #ifndef _SLJIT_CONFIG_H_
28 #define _SLJIT_CONFIG_H_
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
34 /* --------------------------------------------------------------------- */
35 /*  Custom defines                                                       */
36 /* --------------------------------------------------------------------- */
37 
38 /* Put your custom defines here. This empty section will never change
39    which helps maintaining patches (with diff / patch utilities). */
40 
41 /* --------------------------------------------------------------------- */
42 /*  Architecture                                                         */
43 /* --------------------------------------------------------------------- */
44 
45 /* Architecture selection. */
46 /* #define SLJIT_CONFIG_X86_32 1 */
47 /* #define SLJIT_CONFIG_X86_64 1 */
48 /* #define SLJIT_CONFIG_ARM_V5 1 */
49 /* #define SLJIT_CONFIG_ARM_V7 1 */
50 /* #define SLJIT_CONFIG_ARM_THUMB2 1 */
51 /* #define SLJIT_CONFIG_ARM_64 1 */
52 /* #define SLJIT_CONFIG_PPC_32 1 */
53 /* #define SLJIT_CONFIG_PPC_64 1 */
54 /* #define SLJIT_CONFIG_MIPS_32 1 */
55 /* #define SLJIT_CONFIG_MIPS_64 1 */
56 /* #define SLJIT_CONFIG_SPARC_32 1 */
57 /* #define SLJIT_CONFIG_TILEGX 1 */
58 
59 /* #define SLJIT_CONFIG_AUTO 1 */
60 /* #define SLJIT_CONFIG_UNSUPPORTED 1 */
61 
62 /* --------------------------------------------------------------------- */
63 /*  Utilities                                                            */
64 /* --------------------------------------------------------------------- */
65 
66 /* Useful for thread-safe compiling of global functions. */
67 #ifndef SLJIT_UTIL_GLOBAL_LOCK
68 /* Enabled by default */
69 #define SLJIT_UTIL_GLOBAL_LOCK 1
70 #endif
71 
72 /* Implements a stack like data structure (by using mmap / VirtualAlloc  */
73 /* or a custom allocator). */
74 #ifndef SLJIT_UTIL_STACK
75 /* Enabled by default */
76 #define SLJIT_UTIL_STACK 1
77 #endif
78 
79 /* Uses user provided allocator to allocate the stack (see SLJIT_UTIL_STACK) */
80 #ifndef SLJIT_UTIL_SIMPLE_STACK_ALLOCATION
81 /* Disabled by default */
82 #define SLJIT_UTIL_SIMPLE_STACK_ALLOCATION 0
83 #endif
84 
85 /* Single threaded application. Does not require any locks. */
86 #ifndef SLJIT_SINGLE_THREADED
87 /* Disabled by default. */
88 #define SLJIT_SINGLE_THREADED 0
89 #endif
90 
91 /* --------------------------------------------------------------------- */
92 /*  Configuration                                                        */
93 /* --------------------------------------------------------------------- */
94 
95 /* If SLJIT_STD_MACROS_DEFINED is not defined, the application should
96    define SLJIT_MALLOC, SLJIT_FREE, SLJIT_MEMCPY, and NULL. */
97 #ifndef SLJIT_STD_MACROS_DEFINED
98 /* Disabled by default. */
99 #define SLJIT_STD_MACROS_DEFINED 0
100 #endif
101 
102 /* Executable code allocation:
103    If SLJIT_EXECUTABLE_ALLOCATOR is not defined, the application should
104    define SLJIT_MALLOC_EXEC, SLJIT_FREE_EXEC, and SLJIT_EXEC_OFFSET. */
105 #ifndef SLJIT_EXECUTABLE_ALLOCATOR
106 /* Enabled by default. */
107 #define SLJIT_EXECUTABLE_ALLOCATOR 1
108 
109 /* When SLJIT_PROT_EXECUTABLE_ALLOCATOR is enabled SLJIT uses
110    an allocator which does not set writable and executable
111    permission flags at the same time. The trade-of is increased
112    memory consumption and disabled dynamic code modifications. */
113 #ifndef SLJIT_PROT_EXECUTABLE_ALLOCATOR
114 /* Disabled by default. */
115 #define SLJIT_PROT_EXECUTABLE_ALLOCATOR 0
116 #endif
117 
118 #endif
119 
120 /* Force cdecl calling convention even if a better calling
121    convention (e.g. fastcall) is supported by the C compiler.
122    If this option is disabled (this is the default), functions
123    called from JIT should be defined with SLJIT_FUNC attribute.
124    Standard C functions can still be called by using the
125    SLJIT_CALL_CDECL jump type. */
126 #ifndef SLJIT_USE_CDECL_CALLING_CONVENTION
127 /* Disabled by default */
128 #define SLJIT_USE_CDECL_CALLING_CONVENTION 0
129 #endif
130 
131 /* Return with error when an invalid argument is passed. */
132 #ifndef SLJIT_ARGUMENT_CHECKS
133 /* Disabled by default */
134 #define SLJIT_ARGUMENT_CHECKS 0
135 #endif
136 
137 /* Debug checks (assertions, etc.). */
138 #ifndef SLJIT_DEBUG
139 /* Enabled by default */
140 #define SLJIT_DEBUG 1
141 #endif
142 
143 /* Verbose operations. */
144 #ifndef SLJIT_VERBOSE
145 /* Enabled by default */
146 #define SLJIT_VERBOSE 1
147 #endif
148 
149 /*
150   SLJIT_IS_FPU_AVAILABLE
151     The availability of the FPU can be controlled by SLJIT_IS_FPU_AVAILABLE.
152       zero value - FPU is NOT present.
153       nonzero value - FPU is present.
154 */
155 
156 /* For further configurations, see the beginning of sljitConfigInternal.h */
157 
158 #ifdef __cplusplus
159 } /* extern "C" */
160 #endif
161 
162 #endif
163