Initial Commit

1 files changed, 76 insertions, 0 deletions

diff --git a/absl/debugging/internal/stacktrace_config.h b/absl/debugging/internal/stacktrace_config.h
new file mode 100644
index 000000000000..c0df5bb067f1
--- /dev/null
+++ b/absl/debugging/internal/stacktrace_config.h
@@ -0,0 +1,76 @@
+/*
+ * 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
+ *
+ *      http://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_
+
+// First, test platforms which only support a stub.
+#if ABSL_STACKTRACE_INL_HEADER
+#error ABSL_STACKTRACE_INL_HEADER cannot be directly set
+#elif defined(__native_client__) || defined(__APPLE__) || \
+    defined(__ANDROID__) || defined(__myriad2__) || defined(__asmjs__) || \
+    defined(__Fuchsia__) || defined(__GENCLAVE__) || \
+    defined(GOOGLE_UNSUPPORTED_OS_HERCULES)
+#define ABSL_STACKTRACE_INL_HEADER \
+    "absl/debugging/internal/stacktrace_unimplemented-inl.inc"
+
+// Next, test for Mips and Windows.
+// TODO(marmstrong): http://b/21334018: Mips case, remove the check for
+// ABSL_STACKTRACE_INL_HEADER.
+#elif defined(__mips__) && !defined(ABSL_STACKTRACE_INL_HEADER)
+#define ABSL_STACKTRACE_INL_HEADER \
+    "absl/debugging/internal/stacktrace_unimplemented-inl.inc"
+#elif defined(_WIN32)  // windows
+#define ABSL_STACKTRACE_INL_HEADER \
+    "absl/debugging/internal/stacktrace_win32-inl.inc"
+
+// Finally, test NO_FRAME_POINTER.
+#elif !defined(NO_FRAME_POINTER)
+# if 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(__arm__)
+#define ABSL_STACKTRACE_INL_HEADER \
+    "absl/debugging/internal/stacktrace_arm-inl.inc"
+# endif
+#else  // defined(NO_FRAME_POINTER)
+# if defined(__i386__) || defined(__x86_64__) || defined(__aarch64__)
+#define ABSL_STACKTRACE_INL_HEADER \
+    "absl/debugging/internal/stacktrace_unimplemented-inl.inc"
+# elif defined(__ppc__) || defined(__PPC__)
+//  Use glibc's backtrace.
+#define ABSL_STACKTRACE_INL_HEADER \
+    "absl/debugging/internal/stacktrace_generic-inl.inc"
+# elif defined(__arm__)
+#   error stacktrace without frame pointer is not supported on ARM
+# endif
+#endif  // NO_FRAME_POINTER
+
+#if !defined(ABSL_STACKTRACE_INL_HEADER)
+#error Not supported yet
+#endif
+
+#endif  // ABSL_DEBUGGING_INTERNAL_STACKTRACE_CONFIG_H_