Add a new library for collecting stack traces.

Supports collecting the stack trace of the current thread,
another thread in the same process, or a thread in a
different process (using ptrace).

Change-Id: Ica2594e4436edde4ceb7bcc3d78e6c31a7902cbf
diff --git a/libcorkscrew/Android.mk b/libcorkscrew/Android.mk
new file mode 100644
index 0000000..08432ef
--- /dev/null
+++ b/libcorkscrew/Android.mk
@@ -0,0 +1,41 @@
+# Copyright (C) 2011 The Android Open Source Project
+#
+# 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.
+
+LOCAL_PATH:= $(call my-dir)
+
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES := \
+	backtrace.c \
+	backtrace-helper.c \
+	demangle.c \
+	map_info.c \
+	ptrace.c \
+	symbol_table.c
+
+ifeq ($(TARGET_ARCH),arm)
+LOCAL_SRC_FILES += \
+	arch-arm/backtrace-arm.c \
+	arch-arm/ptrace-arm.c
+LOCAL_CFLAGS += -DCORKSCREW_HAVE_ARCH -DCORKSCREW_HAVE_LIBIBERTY
+LOCAL_LDFLAGS += -liberty
+endif
+
+LOCAL_SHARED_LIBRARIES += libdl libcutils
+
+LOCAL_CFLAGS += -std=gnu99 -Werror
+LOCAL_MODULE := libcorkscrew
+LOCAL_MODULE_TAGS := optional
+
+include $(BUILD_SHARED_LIBRARY)