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dc969f34a7
-- caf65de1a20b1ad286796a9eaee38f8b59e93f3b by Samuel Benzaquen <sbenza@google.com>: Add a benchmark for StrAppend. PiperOrigin-RevId: 327111569 -- 2faa53fb3f4090f9609c7dea8951a82e1d72ce3a by Derek Mauro <dmauro@google.com>: Add the inline namespace to the code generated by gaussian_distribution_gentables A previous changed manually added it to the output PiperOrigin-RevId: 327022780 -- 29edfd86e49e4d7665e843463f8df3c72467e909 by Derek Mauro <dmauro@google.com>: Re-write the logic for detecting which stacktrace implementation to use on Linux. The visible change is to detect the presence of the `<execinfo.h>` header, which allows using the `backtrace`-based implementation when it is available. The logic has been simplified as well. Fixes #746 PiperOrigin-RevId: 326911875 -- ce198204b77aac240e98fc8d5931b17a8b26bac3 by Abseil Team <absl-team@google.com>: Demangle exception spec. PiperOrigin-RevId: 326909460 -- c41b89954545bdc4430d10e785d3ba64a55122d5 by Abseil Team <absl-team@google.com>: Add support for inheriting ctor. PiperOrigin-RevId: 326904919 GitOrigin-RevId: caf65de1a20b1ad286796a9eaee38f8b59e93f3b Change-Id: Ifd28b6a85a032839cbeafd1b16f88046dfd6c1d4
90 lines
3.3 KiB
C
90 lines
3.3 KiB
C
/*
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* Copyright 2017 The Abseil Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* https://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* Defines ABSL_STACKTRACE_INL_HEADER to the *-inl.h containing
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* actual unwinder implementation.
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* This header is "private" to stacktrace.cc.
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* DO NOT include it into any other files.
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*/
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#ifndef ABSL_DEBUGGING_INTERNAL_STACKTRACE_CONFIG_H_
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#define ABSL_DEBUGGING_INTERNAL_STACKTRACE_CONFIG_H_
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#if defined(ABSL_STACKTRACE_INL_HEADER)
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#error ABSL_STACKTRACE_INL_HEADER cannot be directly set
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#elif defined(_WIN32)
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#define ABSL_STACKTRACE_INL_HEADER \
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"absl/debugging/internal/stacktrace_win32-inl.inc"
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#elif defined(__APPLE__)
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// Thread local support required for UnwindImpl.
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// Notes:
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// * Xcode's clang did not support `thread_local` until version 8, and
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// even then not for all iOS < 9.0.
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// * Xcode 9.3 started disallowing `thread_local` for 32-bit iOS simulator
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// targeting iOS 9.x.
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// * Xcode 10 moves the deployment target check for iOS < 9.0 to link time
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// making __has_feature unreliable there.
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//
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// Otherwise, `__has_feature` is only supported by Clang so it has be inside
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// `defined(__APPLE__)` check.
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#if __has_feature(cxx_thread_local) && \
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!(TARGET_OS_IPHONE && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_9_0)
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#define ABSL_STACKTRACE_INL_HEADER \
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"absl/debugging/internal/stacktrace_generic-inl.inc"
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#endif
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#elif defined(__linux__) && !defined(__ANDROID__)
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#if defined(NO_FRAME_POINTER) && \
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(defined(__i386__) || defined(__x86_64__) || defined(__aarch64__))
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// Note: The libunwind-based implementation is not available to open-source
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// users.
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#define ABSL_STACKTRACE_INL_HEADER \
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"absl/debugging/internal/stacktrace_libunwind-inl.inc"
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#define STACKTRACE_USES_LIBUNWIND 1
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#elif defined(NO_FRAME_POINTER) && defined(__has_include)
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#if __has_include(<execinfo.h>)
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// Note: When using glibc this may require -funwind-tables to function properly.
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#define ABSL_STACKTRACE_INL_HEADER \
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"absl/debugging/internal/stacktrace_generic-inl.inc"
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#endif
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#elif defined(__i386__) || defined(__x86_64__)
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#define ABSL_STACKTRACE_INL_HEADER \
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"absl/debugging/internal/stacktrace_x86-inl.inc"
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#elif defined(__ppc__) || defined(__PPC__)
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#define ABSL_STACKTRACE_INL_HEADER \
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"absl/debugging/internal/stacktrace_powerpc-inl.inc"
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#elif defined(__aarch64__)
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#define ABSL_STACKTRACE_INL_HEADER \
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"absl/debugging/internal/stacktrace_aarch64-inl.inc"
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#elif defined(__has_include)
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#if __has_include(<execinfo.h>)
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// Note: When using glibc this may require -funwind-tables to function properly.
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#define ABSL_STACKTRACE_INL_HEADER \
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"absl/debugging/internal/stacktrace_generic-inl.inc"
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#endif
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#endif
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#endif
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// Fallback to the empty implementation.
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#if !defined(ABSL_STACKTRACE_INL_HEADER)
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#define ABSL_STACKTRACE_INL_HEADER \
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"absl/debugging/internal/stacktrace_unimplemented-inl.inc"
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#endif
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#endif // ABSL_DEBUGGING_INTERNAL_STACKTRACE_CONFIG_H_
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