126 lines
3.6 KiB
C
126 lines
3.6 KiB
C
/*
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* Copyright (C) 2014-2016 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
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* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
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* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#pragma once
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#include "BPlatform.h"
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#include "Logging.h"
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#if BUSE(OS_LOG)
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#include <os/log.h>
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#endif
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#if defined(NDEBUG) && BOS(DARWIN)
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#if BASAN_ENABLED
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#define BBreakpointTrap() __builtin_trap()
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#elif BCPU(X86_64) || BCPU(X86)
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#define BBreakpointTrap() __asm__ volatile ("int3")
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#elif BCPU(ARM_THUMB2)
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#define BBreakpointTrap() __asm__ volatile ("bkpt #0")
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#elif BCPU(ARM64)
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#define BBreakpointTrap() __asm__ volatile ("brk #0xc471")
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#else
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#error "Unsupported CPU".
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#endif
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// Crash with a SIGTRAP i.e EXC_BREAKPOINT.
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// We are not using __builtin_trap because it is only guaranteed to abort, but not necessarily
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// trigger a SIGTRAP. Instead, we use inline asm to ensure that we trigger the SIGTRAP.
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#define BCRASH() do { \
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BBreakpointTrap(); \
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__builtin_unreachable(); \
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} while (false)
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#else // not defined(NDEBUG) && BOS(DARWIN)
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#if BASAN_ENABLED
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#define BCRASH() __builtin_trap()
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#else
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#if defined(__GNUC__) // GCC or Clang
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#define BCRASH() do { \
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*(int*)0xbbadbeef = 0; \
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__builtin_trap(); \
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} while (0)
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#else
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#define BCRASH() do { \
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*(int*)0xbbadbeef = 0; \
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((void(*)())0)(); \
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} while (0)
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#endif // defined(__GNUC__)
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#endif // BASAN_ENABLED
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#endif // defined(NDEBUG) && BOS(DARWIN)
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#define BASSERT_IMPL(x) do { \
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if (!(x)) \
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BCRASH(); \
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} while (0)
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#define RELEASE_BASSERT(x) BASSERT_IMPL(x)
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#define RELEASE_BASSERT_NOT_REACHED() BCRASH()
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#if BUSE(OS_LOG)
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#define BMALLOC_LOGGING_PREFIX "bmalloc: "
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#define BLOG_ERROR(format, ...) os_log_error(OS_LOG_DEFAULT, BMALLOC_LOGGING_PREFIX format, __VA_ARGS__)
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#else
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#define BLOG_ERROR(format, ...) bmalloc::reportAssertionFailureWithMessage(__FILE__, __LINE__, __PRETTY_FUNCTION__, format, __VA_ARGS__)
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#endif
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#if defined(NDEBUG)
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#define RELEASE_BASSERT_WITH_MESSAGE(x, format, ...) BASSERT_IMPL(x)
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#else
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#define RELEASE_BASSERT_WITH_MESSAGE(x, format, ...) do { \
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if (!(x)) { \
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BLOG_ERROR("ASSERTION FAILED: " #x " :: " format, ##__VA_ARGS__); \
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BCRASH(); \
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} \
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} while (0)
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#endif
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#define BUNUSED(x) ((void)x)
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// ===== Release build =====
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#if defined(NDEBUG)
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#define BASSERT(x)
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#define IF_DEBUG(x)
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#endif // defined(NDEBUG)
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// ===== Debug build =====
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#if !defined(NDEBUG)
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#define BASSERT(x) BASSERT_IMPL(x)
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#define IF_DEBUG(x) (x)
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#endif // !defined(NDEBUG)
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