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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
39 
40 #elif defined(__linux__) && !defined(__ANDROID__)
41 
42 #if defined(NO_FRAME_POINTER) && \
43     (defined(__i386__) || defined(__x86_64__) || defined(__aarch64__))
44 // Note: The libunwind-based implementation is not available to open-source
45 // users.
46 #define ABSL_STACKTRACE_INL_HEADER \
47   "absl/debugging/internal/stacktrace_libunwind-inl.inc"
48 #define STACKTRACE_USES_LIBUNWIND 1
49 #elif defined(NO_FRAME_POINTER) && defined(__has_include)
50 #if __has_include(<execinfo.h>)
51 // Note: When using glibc this may require -funwind-tables to function properly.
52 #define ABSL_STACKTRACE_INL_HEADER \
53   "absl/debugging/internal/stacktrace_generic-inl.inc"
54 #endif
55 #elif defined(__i386__) || defined(__x86_64__)
56 #define ABSL_STACKTRACE_INL_HEADER \
57   "absl/debugging/internal/stacktrace_x86-inl.inc"
58 #elif defined(__ppc__) || defined(__PPC__)
59 #define ABSL_STACKTRACE_INL_HEADER \
60   "absl/debugging/internal/stacktrace_powerpc-inl.inc"
61 #elif defined(__aarch64__)
62 #define ABSL_STACKTRACE_INL_HEADER \
63   "absl/debugging/internal/stacktrace_aarch64-inl.inc"
64 #elif defined(__has_include)
65 #if __has_include(<execinfo.h>)
66 // Note: When using glibc this may require -funwind-tables to function properly.
67 #define ABSL_STACKTRACE_INL_HEADER \
68   "absl/debugging/internal/stacktrace_generic-inl.inc"
69 #endif
70 #endif
71 
72 #endif
73 
74 // Fallback to the empty implementation.
75 #if !defined(ABSL_STACKTRACE_INL_HEADER)
76 #define ABSL_STACKTRACE_INL_HEADER \
77   "absl/debugging/internal/stacktrace_unimplemented-inl.inc"
78 #endif
79 
80 #endif  // ABSL_DEBUGGING_INTERNAL_STACKTRACE_CONFIG_H_
81