tests/qtest: Add npcm7xx timer test
[qemu.git] / disas / libvixl / vixl / globals.h
1 // Copyright 2015, ARM Limited
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are met:
6 //
7 // * Redistributions of source code must retain the above copyright notice,
8 // this list of conditions and the following disclaimer.
9 // * Redistributions in binary form must reproduce the above copyright notice,
10 // this list of conditions and the following disclaimer in the documentation
11 // and/or other materials provided with the distribution.
12 // * Neither the name of ARM Limited nor the names of its contributors may be
13 // used to endorse or promote products derived from this software without
14 // specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS CONTRIBUTORS "AS IS" AND
17 // ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
20 // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
22 // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
23 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26
27 #ifndef VIXL_GLOBALS_H
28 #define VIXL_GLOBALS_H
29
30 // Get standard C99 macros for integer types.
31 #ifndef __STDC_CONSTANT_MACROS
32 #define __STDC_CONSTANT_MACROS
33 #endif
34
35 #ifndef __STDC_LIMIT_MACROS
36 #define __STDC_LIMIT_MACROS
37 #endif
38
39 #ifndef __STDC_FORMAT_MACROS
40 #define __STDC_FORMAT_MACROS
41 #endif
42
43 #include <stdint.h>
44 #include <inttypes.h>
45
46 #include <assert.h>
47 #include <stdarg.h>
48 #include <stdio.h>
49 #include <stdint.h>
50 #include <stdlib.h>
51 #include <stddef.h>
52 #include "vixl/platform.h"
53
54
55 typedef uint8_t byte;
56
57 // Type for half-precision (16 bit) floating point numbers.
58 typedef uint16_t float16;
59
60 const int KBytes = 1024;
61 const int MBytes = 1024 * KBytes;
62
63 #define VIXL_ABORT() \
64 do { printf("in %s, line %i", __FILE__, __LINE__); abort(); } while (false)
65 #ifdef VIXL_DEBUG
66 #define VIXL_ASSERT(condition) assert(condition)
67 #define VIXL_CHECK(condition) VIXL_ASSERT(condition)
68 #define VIXL_UNIMPLEMENTED() \
69 do { fprintf(stderr, "UNIMPLEMENTED\t"); VIXL_ABORT(); } while (false)
70 #define VIXL_UNREACHABLE() \
71 do { fprintf(stderr, "UNREACHABLE\t"); VIXL_ABORT(); } while (false)
72 #else
73 #define VIXL_ASSERT(condition) ((void) 0)
74 #define VIXL_CHECK(condition) assert(condition)
75 #define VIXL_UNIMPLEMENTED() ((void) 0)
76 #define VIXL_UNREACHABLE() ((void) 0)
77 #endif
78 // This is not as powerful as template based assertions, but it is simple.
79 // It assumes that the descriptions are unique. If this starts being a problem,
80 // we can switch to a different implemention.
81 #define VIXL_CONCAT(a, b) a##b
82 #define VIXL_STATIC_ASSERT_LINE(line, condition) \
83 typedef char VIXL_CONCAT(STATIC_ASSERT_LINE_, line)[(condition) ? 1 : -1] \
84 __attribute__((unused))
85 #define VIXL_STATIC_ASSERT(condition) \
86 VIXL_STATIC_ASSERT_LINE(__LINE__, condition)
87
88 template <typename T1>
89 inline void USE(T1) {}
90
91 template <typename T1, typename T2>
92 inline void USE(T1, T2) {}
93
94 template <typename T1, typename T2, typename T3>
95 inline void USE(T1, T2, T3) {}
96
97 template <typename T1, typename T2, typename T3, typename T4>
98 inline void USE(T1, T2, T3, T4) {}
99
100 #define VIXL_ALIGNMENT_EXCEPTION() \
101 do { fprintf(stderr, "ALIGNMENT EXCEPTION\t"); VIXL_ABORT(); } while (0)
102
103 // The clang::fallthrough attribute is used along with the Wimplicit-fallthrough
104 // argument to annotate intentional fall-through between switch labels.
105 // For more information please refer to:
106 // http://clang.llvm.org/docs/AttributeReference.html#fallthrough-clang-fallthrough
107 #ifndef __has_warning
108 #define __has_warning(x) 0
109 #endif
110
111 // Note: This option is only available for Clang. And will only be enabled for
112 // C++11(201103L).
113 #if __has_warning("-Wimplicit-fallthrough") && __cplusplus >= 201103L
114 #define VIXL_FALLTHROUGH() [[clang::fallthrough]] //NOLINT
115 #else
116 #define VIXL_FALLTHROUGH() do {} while (0)
117 #endif
118
119 #if __cplusplus >= 201103L
120 #define VIXL_NO_RETURN [[noreturn]] //NOLINT
121 #else
122 #define VIXL_NO_RETURN __attribute__((noreturn))
123 #endif
124
125 // Some functions might only be marked as "noreturn" for the DEBUG build. This
126 // macro should be used for such cases (for more details see what
127 // VIXL_UNREACHABLE expands to).
128 #ifdef VIXL_DEBUG
129 #define VIXL_DEBUG_NO_RETURN VIXL_NO_RETURN
130 #else
131 #define VIXL_DEBUG_NO_RETURN
132 #endif
133
134 #ifdef VIXL_INCLUDE_SIMULATOR
135 #ifndef VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE
136 #define VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE 1
137 #endif
138 #else
139 #ifndef VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE
140 #define VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE 0
141 #endif
142 #if VIXL_GENERATE_SIMULATOR_INSTRUCTIONS_VALUE
143 #warning "Generating Simulator instructions without Simulator support."
144 #endif
145 #endif
146
147 #ifdef USE_SIMULATOR
148 #error "Please see the release notes for USE_SIMULATOR."
149 #endif
150
151 #endif // VIXL_GLOBALS_H