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#ifdef __ANDROID__ 44#ifndef LOG_TAG 45#define LOG_TAG "VIXL" 46#endif 47#include <cutils/log.h> 48#endif 49 50#include <stdint.h> 51#include <inttypes.h> 52 53#include <assert.h> 54#include <stdarg.h> 55#include <stdio.h> 56#include <stdint.h> 57#include <stdlib.h> 58#include <stddef.h> 59#include "vixl/platform.h" 60 61 62typedef uint8_t byte; 63 64// Type for half-precision (16 bit) floating point numbers. 65typedef uint16_t float16; 66 67const int KBytes = 1024; 68const int MBytes = 1024 * KBytes; 69 70#ifdef __ANDROID__ 71 #define VIXL_ABORT() ALOGE("in %s, line %i", __FILE__, __LINE__); abort() 72#else 73 #define VIXL_ABORT() printf("in %s, line %i", __FILE__, __LINE__); abort() 74#endif 75 76#ifdef VIXL_DEBUG 77 #define VIXL_ASSERT(condition) assert(condition) 78 #define VIXL_CHECK(condition) VIXL_ASSERT(condition) 79 #ifdef __ANDROID__ 80 #define VIXL_UNIMPLEMENTED() ALOGD("UNIMPLEMENTED\t"); VIXL_ABORT() 81 #define VIXL_UNREACHABLE() ALOGD("UNREACHABLE\t"); VIXL_ABORT() 82 #else 83 #define VIXL_UNIMPLEMENTED() printf("UNIMPLEMENTED\t"); VIXL_ABORT() 84 #define VIXL_UNREACHABLE() printf("UNREACHABLE\t"); VIXL_ABORT() 85 #endif 86#else 87 #define VIXL_ASSERT(condition) ((void) 0) 88 #define VIXL_CHECK(condition) assert(condition) 89 #define VIXL_UNIMPLEMENTED() ((void) 0) 90 #define VIXL_UNREACHABLE() ((void) 0) 91#endif 92// This is not as powerful as template based assertions, but it is simple. 93// It assumes that the descriptions are unique. If this starts being a problem, 94// we can switch to a different implemention. 95#define VIXL_CONCAT(a, b) a##b 96#define VIXL_STATIC_ASSERT_LINE(line, condition) \ 97 typedef char VIXL_CONCAT(STATIC_ASSERT_LINE_, line)[(condition) ? 1 : -1] \ 98 __attribute__((unused)) 99#define VIXL_STATIC_ASSERT(condition) VIXL_STATIC_ASSERT_LINE(__LINE__, condition) //NOLINT 100 101template <typename T> inline void USE(T) {} 102template <typename T> inline void USE(T, T) {} 103template <typename T> inline void USE(T, T, T) {} 104template <typename T> inline void USE(T, T, T, T) {} 105 106#ifdef __ANDROID__ 107 #define VIXL_ALIGNMENT_EXCEPTION() ALOGD("ALIGNMENT EXCEPTION\t"); VIXL_ABORT() //NOLINT 108#else 109 #define VIXL_ALIGNMENT_EXCEPTION() printf("ALIGNMENT EXCEPTION\t"); VIXL_ABORT() //NOLINT 110#endif 111 112// The clang::fallthrough attribute is used along with the Wimplicit-fallthrough 113// argument to annotate intentional fall-through between switch labels. 114// For more information please refer to: 115// http://clang.llvm.org/docs/AttributeReference.html#fallthrough-clang-fallthrough 116#ifndef __has_warning 117 #define __has_warning(x) 0 118#endif 119 120// Note: This option is only available for Clang. And will only be enabled for 121// C++11(201103L). 122#if __has_warning("-Wimplicit-fallthrough") && __cplusplus >= 201103L 123 #define VIXL_FALLTHROUGH() [[clang::fallthrough]] //NOLINT 124#else 125 #define VIXL_FALLTHROUGH() do {} while (0) 126#endif 127 128#endif // VIXL_GLOBALS_H 129