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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 | /* * Copyright (C) 2014-2016 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #pragma once #include "BPlatform.h" #include "Logging.h" #if BUSE(OS_LOG) #include <os/log.h> #endif #if defined(NDEBUG) && BOS(DARWIN) #if BASAN_ENABLED #define BBreakpointTrap() __builtin_trap() #elif BCPU(X86_64) || BCPU(X86) #define BBreakpointTrap() __asm__ volatile ("int3") #elif BCPU(ARM_THUMB2) #define BBreakpointTrap() __asm__ volatile ("bkpt #0") #elif BCPU(ARM64) #define BBreakpointTrap() __asm__ volatile ("brk #0") #else #error "Unsupported CPU". #endif // Crash with a SIGTRAP i.e EXC_BREAKPOINT. // We are not using __builtin_trap because it is only guaranteed to abort, but not necessarily // trigger a SIGTRAP. Instead, we use inline asm to ensure that we trigger the SIGTRAP. #define BCRASH() do { \ BBreakpointTrap(); \ __builtin_unreachable(); \ } while (false) #else // not defined(NDEBUG) && BOS(DARWIN) #if BASAN_ENABLED #define BCRASH() __builtin_trap() #else #if defined(__GNUC__) // GCC or Clang #define BCRASH() do { \ *(int*)0xbbadbeef = 0; \ __builtin_trap(); \ } while (0) #else #define BCRASH() do { \ *(int*)0xbbadbeef = 0; \ ((void(*)())0)(); \ } while (0) #endif // defined(__GNUC__) #endif // BASAN_ENABLED #endif // defined(NDEBUG) && BOS(DARWIN) #define BASSERT_IMPL(x) do { \ if (!(x)) \ BCRASH(); \ } while (0) #define RELEASE_BASSERT(x) BASSERT_IMPL(x) #if BUSE(OS_LOG) #define BMALLOC_LOGGING_PREFIX "bmalloc: " #define BLOG_ERROR(format, ...) os_log_error(OS_LOG_DEFAULT, BMALLOC_LOGGING_PREFIX format, __VA_ARGS__) #else #define BLOG_ERROR(format, ...) bmalloc::reportAssertionFailureWithMessage(__FILE__, __LINE__, __PRETTY_FUNCTION__, format, __VA_ARGS__) #endif #if defined(NDEBUG) #define RELEASE_BASSERT_WITH_MESSAGE(x, format, ...) BASSERT_IMPL(x) #else #define RELEASE_BASSERT_WITH_MESSAGE(x, format, ...) do { \ if (!(x)) { \ BLOG_ERROR("ASSERTION FAILED: " #x " :: " format, ##__VA_ARGS__); \ BCRASH(); \ } \ } while (0) #endif #define BUNUSED(x) ((void)x) // ===== Release build ===== #if defined(NDEBUG) #define BASSERT(x) #define IF_DEBUG(x) #endif // defined(NDEBUG) // ===== Debug build ===== #if !defined(NDEBUG) #define BASSERT(x) BASSERT_IMPL(x) #define IF_DEBUG(x) (x) #endif // !defined(NDEBUG) |