xref: /aosp_15_r20/external/abseil-cpp/absl/debugging/internal/stacktrace_config.h (revision 9356374a3709195abf420251b3e825997ff56c0f)
1 /*
2  * Copyright 2017 The Abseil Authors.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      https://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15 
16  * Defines ABSL_STACKTRACE_INL_HEADER to the *-inl.h containing
17  * actual unwinder implementation.
18  * This header is "private" to stacktrace.cc.
19  * DO NOT include it into any other files.
20 */
21 #ifndef ABSL_DEBUGGING_INTERNAL_STACKTRACE_CONFIG_H_
22 #define ABSL_DEBUGGING_INTERNAL_STACKTRACE_CONFIG_H_
23 
24 #include "absl/base/config.h"
25 
26 #if defined(ABSL_STACKTRACE_INL_HEADER)
27 #error ABSL_STACKTRACE_INL_HEADER cannot be directly set
28 
29 #elif defined(_WIN32)
30 #define ABSL_STACKTRACE_INL_HEADER \
31     "absl/debugging/internal/stacktrace_win32-inl.inc"
32 
33 #elif defined(__APPLE__)
34 #ifdef ABSL_HAVE_THREAD_LOCAL
35 // Thread local support required for UnwindImpl.
36 #define ABSL_STACKTRACE_INL_HEADER \
37   "absl/debugging/internal/stacktrace_generic-inl.inc"
38 #endif  // defined(ABSL_HAVE_THREAD_LOCAL)
39 
40 // Emscripten stacktraces rely on JS. Do not use them in standalone mode.
41 #elif defined(__EMSCRIPTEN__) && !defined(STANDALONE_WASM)
42 #define ABSL_STACKTRACE_INL_HEADER \
43   "absl/debugging/internal/stacktrace_emscripten-inl.inc"
44 
45 #elif defined(__linux__) && !defined(__ANDROID__)
46 
47 #if defined(NO_FRAME_POINTER) && \
48     (defined(__i386__) || defined(__x86_64__) || defined(__aarch64__))
49 // Note: The libunwind-based implementation is not available to open-source
50 // users.
51 #define ABSL_STACKTRACE_INL_HEADER \
52   "absl/debugging/internal/stacktrace_libunwind-inl.inc"
53 #define STACKTRACE_USES_LIBUNWIND 1
54 #elif defined(NO_FRAME_POINTER) && defined(__has_include)
55 #if __has_include(<execinfo.h>)
56 // Note: When using glibc this may require -funwind-tables to function properly.
57 #define ABSL_STACKTRACE_INL_HEADER \
58   "absl/debugging/internal/stacktrace_generic-inl.inc"
59 #endif  // __has_include(<execinfo.h>)
60 #elif defined(__i386__) || defined(__x86_64__)
61 #define ABSL_STACKTRACE_INL_HEADER \
62   "absl/debugging/internal/stacktrace_x86-inl.inc"
63 #elif defined(__ppc__) || defined(__PPC__)
64 #define ABSL_STACKTRACE_INL_HEADER \
65   "absl/debugging/internal/stacktrace_powerpc-inl.inc"
66 #elif defined(__aarch64__)
67 #define ABSL_STACKTRACE_INL_HEADER \
68   "absl/debugging/internal/stacktrace_aarch64-inl.inc"
69 #elif defined(__riscv)
70 #define ABSL_STACKTRACE_INL_HEADER \
71   "absl/debugging/internal/stacktrace_riscv-inl.inc"
72 #elif defined(__has_include)
73 #if __has_include(<execinfo.h>)
74 // Note: When using glibc this may require -funwind-tables to function properly.
75 #define ABSL_STACKTRACE_INL_HEADER \
76   "absl/debugging/internal/stacktrace_generic-inl.inc"
77 #endif  // __has_include(<execinfo.h>)
78 #endif  // defined(__has_include)
79 
80 #endif  // defined(__linux__) && !defined(__ANDROID__)
81 
82 // Fallback to the empty implementation.
83 #if !defined(ABSL_STACKTRACE_INL_HEADER)
84 #define ABSL_STACKTRACE_INL_HEADER \
85   "absl/debugging/internal/stacktrace_unimplemented-inl.inc"
86 #endif
87 
88 #endif  // ABSL_DEBUGGING_INTERNAL_STACKTRACE_CONFIG_H_
89