| /* |
| * Copyright 2017 The Abseil Authors. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| |
| * Defines ABSL_STACKTRACE_INL_HEADER to the *-inl.h containing |
| * actual unwinder implementation. |
| * This header is "private" to stacktrace.cc. |
| * DO NOT include it into any other files. |
| */ |
| #ifndef ABSL_DEBUGGING_INTERNAL_STACKTRACE_CONFIG_H_ |
| #define ABSL_DEBUGGING_INTERNAL_STACKTRACE_CONFIG_H_ |
| |
| #if defined(ABSL_STACKTRACE_INL_HEADER) |
| #error ABSL_STACKTRACE_INL_HEADER cannot be directly set |
| |
| #elif defined(_WIN32) |
| #define ABSL_STACKTRACE_INL_HEADER \ |
| "absl/debugging/internal/stacktrace_win32-inl.inc" |
| |
| #elif defined(__APPLE__) |
| // Thread local support required for UnwindImpl. |
| // Notes: |
| // * Xcode's clang did not support `thread_local` until version 8, and |
| // even then not for all iOS < 9.0. |
| // * Xcode 9.3 started disallowing `thread_local` for 32-bit iOS simulator |
| // targeting iOS 9.x. |
| // * Xcode 10 moves the deployment target check for iOS < 9.0 to link time |
| // making __has_feature unreliable there. |
| // |
| // Otherwise, `__has_feature` is only supported by Clang so it has be inside |
| // `defined(__APPLE__)` check. |
| #if __has_feature(cxx_thread_local) && \ |
| !(TARGET_OS_IPHONE && __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_9_0) |
| #define ABSL_STACKTRACE_INL_HEADER \ |
| "absl/debugging/internal/stacktrace_generic-inl.inc" |
| #endif |
| |
| #elif defined(__linux__) && !defined(__ANDROID__) |
| |
| #if defined(NO_FRAME_POINTER) && \ |
| (defined(__i386__) || defined(__x86_64__) || defined(__aarch64__)) |
| // Note: The libunwind-based implementation is not available to open-source |
| // users. |
| #define ABSL_STACKTRACE_INL_HEADER \ |
| "absl/debugging/internal/stacktrace_libunwind-inl.inc" |
| #define STACKTRACE_USES_LIBUNWIND 1 |
| #elif defined(NO_FRAME_POINTER) && defined(__has_include) |
| #if __has_include(<execinfo.h>) |
| // Note: When using glibc this may require -funwind-tables to function properly. |
| #define ABSL_STACKTRACE_INL_HEADER \ |
| "absl/debugging/internal/stacktrace_generic-inl.inc" |
| #endif |
| #elif defined(__i386__) || defined(__x86_64__) |
| #define ABSL_STACKTRACE_INL_HEADER \ |
| "absl/debugging/internal/stacktrace_x86-inl.inc" |
| #elif defined(__ppc__) || defined(__PPC__) |
| #define ABSL_STACKTRACE_INL_HEADER \ |
| "absl/debugging/internal/stacktrace_powerpc-inl.inc" |
| #elif defined(__aarch64__) |
| #define ABSL_STACKTRACE_INL_HEADER \ |
| "absl/debugging/internal/stacktrace_aarch64-inl.inc" |
| #elif defined(__has_include) |
| #if __has_include(<execinfo.h>) |
| // Note: When using glibc this may require -funwind-tables to function properly. |
| #define ABSL_STACKTRACE_INL_HEADER \ |
| "absl/debugging/internal/stacktrace_generic-inl.inc" |
| #endif |
| #endif |
| |
| #endif |
| |
| // Fallback to the empty implementation. |
| #if !defined(ABSL_STACKTRACE_INL_HEADER) |
| #define ABSL_STACKTRACE_INL_HEADER \ |
| "absl/debugging/internal/stacktrace_unimplemented-inl.inc" |
| #endif |
| |
| #endif // ABSL_DEBUGGING_INTERNAL_STACKTRACE_CONFIG_H_ |