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
31extern "C" {
32#endif
33
34/*
35 This file contains the basic configuration options for the SLJIT compiler
36 and their default values. These options can be overridden in the
37 sljitConfigPre.h header file when SLJIT_HAVE_CONFIG_PRE is set to a
38 non-zero value.
39*/
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_RISCV_32 1 */
57/* #define SLJIT_CONFIG_RISCV_64 1 */
58/* #define SLJIT_CONFIG_S390X 1 */
59
60/* #define SLJIT_CONFIG_AUTO 1 */
61/* #define SLJIT_CONFIG_UNSUPPORTED 1 */
62
63/* --------------------------------------------------------------------- */
64/* Utilities */
65/* --------------------------------------------------------------------- */
66
67/* Implements a stack like data structure (by using mmap / VirtualAlloc */
68/* or a custom allocator). */
69#ifndef SLJIT_UTIL_STACK
70/* Enabled by default */
71#define SLJIT_UTIL_STACK 1
72#endif
73
74/* Uses user provided allocator to allocate the stack (see SLJIT_UTIL_STACK) */
75#ifndef SLJIT_UTIL_SIMPLE_STACK_ALLOCATION
76/* Disabled by default */
77#define SLJIT_UTIL_SIMPLE_STACK_ALLOCATION 0
78#endif
79
80/* Single threaded application. Does not require any locks. */
81#ifndef SLJIT_SINGLE_THREADED
82/* Disabled by default. */
83#define SLJIT_SINGLE_THREADED 0
84#endif
85
86/* --------------------------------------------------------------------- */
87/* Configuration */
88/* --------------------------------------------------------------------- */
89
90/* If SLJIT_STD_MACROS_DEFINED is not defined, the application should
91 define SLJIT_MALLOC, SLJIT_FREE, SLJIT_MEMCPY, and NULL. */
92#ifndef SLJIT_STD_MACROS_DEFINED
93/* Disabled by default. */
94#define SLJIT_STD_MACROS_DEFINED 0
95#endif
96
97/* Executable code allocation:
98 If SLJIT_EXECUTABLE_ALLOCATOR is not defined, the application should
99 define SLJIT_MALLOC_EXEC, SLJIT_FREE_EXEC, and SLJIT_EXEC_OFFSET. */
100#ifndef SLJIT_EXECUTABLE_ALLOCATOR
101/* Enabled by default. */
102#define SLJIT_EXECUTABLE_ALLOCATOR 1
103
104/* When SLJIT_PROT_EXECUTABLE_ALLOCATOR is enabled SLJIT uses
105 an allocator which does not set writable and executable
106 permission flags at the same time.
107 Instead, it creates a shared memory segment (usually backed by a file)
108 and maps it twice, with different permissions, depending on the use
109 case.
110 The trade-off is increased use of virtual memory, incompatibility with
111 fork(), and some possible additional security risks by the use of
112 publicly accessible files for the generated code. */
113#ifndef SLJIT_PROT_EXECUTABLE_ALLOCATOR
114/* Disabled by default. */
115#define SLJIT_PROT_EXECUTABLE_ALLOCATOR 0
116#endif
117
118/* When SLJIT_WX_EXECUTABLE_ALLOCATOR is enabled SLJIT uses an
119 allocator which does not set writable and executable permission
120 flags at the same time.
121 Instead, it creates a new independent map on each invocation and
122 switches permissions at the underlying pages as needed.
123 The trade-off is increased memory use and degraded performance. */
124#ifndef SLJIT_WX_EXECUTABLE_ALLOCATOR
125/* Disabled by default. */
126#define SLJIT_WX_EXECUTABLE_ALLOCATOR 0
127#endif
128
129#endif /* !SLJIT_EXECUTABLE_ALLOCATOR */
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 /* SLJIT_CONFIG_H_ */
163