bf2dd48241
Crashes that happen before tombstoned is running are extremely hard to diagnose, because tombstones aren't written to disk, and the window of opportunity to get logs via `adb logcat` is small (potentially nonexistent). Solve this by adding a world-writable /dev/kmsg_debug on userdebug builds, and writing to it in addition to logcat when tombstoned hasn't started yet. Bug: http://b/36574794 Test: stop tombstoned; crasher; dmesg Change-Id: Ib22c02a002afb602933155fb2c9b7a8abbe9ed38
160 lines
3.4 KiB
Makefile
160 lines
3.4 KiB
Makefile
# Copyright 2005 The Android Open Source Project
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LOCAL_PATH:= $(call my-dir)
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# --
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ifneq (,$(filter userdebug eng,$(TARGET_BUILD_VARIANT)))
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init_options += \
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-DALLOW_LOCAL_PROP_OVERRIDE=1 \
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-DALLOW_PERMISSIVE_SELINUX=1 \
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-DREBOOT_BOOTLOADER_ON_PANIC=1 \
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-DWORLD_WRITABLE_KMSG=1
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else
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init_options += \
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-DALLOW_LOCAL_PROP_OVERRIDE=0 \
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-DALLOW_PERMISSIVE_SELINUX=0 \
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-DREBOOT_BOOTLOADER_ON_PANIC=0 \
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-DWORLD_WRITABLE_KMSG=0
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endif
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ifneq (,$(filter eng,$(TARGET_BUILD_VARIANT)))
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init_options += \
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-DSHUTDOWN_ZERO_TIMEOUT=1
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else
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init_options += \
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-DSHUTDOWN_ZERO_TIMEOUT=0
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endif
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init_options += -DLOG_UEVENTS=0
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init_cflags += \
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$(init_options) \
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-Wall -Wextra \
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-Wno-unused-parameter \
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-Werror \
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-std=gnu++1z \
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# --
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# If building on Linux, then build unit test for the host.
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ifeq ($(HOST_OS),linux)
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include $(CLEAR_VARS)
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LOCAL_CPPFLAGS := $(init_cflags)
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LOCAL_SRC_FILES:= \
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parser/tokenizer.cpp \
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LOCAL_MODULE := libinit_parser
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LOCAL_CLANG := true
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include $(BUILD_HOST_STATIC_LIBRARY)
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include $(CLEAR_VARS)
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LOCAL_MODULE := init_parser_tests
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LOCAL_SRC_FILES := \
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parser/tokenizer_test.cpp \
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LOCAL_STATIC_LIBRARIES := libinit_parser
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LOCAL_CLANG := true
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include $(BUILD_HOST_NATIVE_TEST)
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endif
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include $(CLEAR_VARS)
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LOCAL_CPPFLAGS := $(init_cflags)
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LOCAL_SRC_FILES:= \
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action.cpp \
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capabilities.cpp \
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descriptors.cpp \
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import_parser.cpp \
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init_parser.cpp \
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log.cpp \
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parser.cpp \
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service.cpp \
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util.cpp \
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LOCAL_STATIC_LIBRARIES := libbase libselinux liblog libprocessgroup libnl
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LOCAL_WHOLE_STATIC_LIBRARIES := libcap
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LOCAL_MODULE := libinit
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LOCAL_SANITIZE := integer
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LOCAL_CLANG := true
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include $(BUILD_STATIC_LIBRARY)
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include $(CLEAR_VARS)
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LOCAL_CPPFLAGS := $(init_cflags)
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LOCAL_SRC_FILES:= \
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bootchart.cpp \
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builtins.cpp \
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devices.cpp \
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init.cpp \
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keychords.cpp \
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property_service.cpp \
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reboot.cpp \
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signal_handler.cpp \
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ueventd.cpp \
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ueventd_parser.cpp \
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watchdogd.cpp \
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LOCAL_MODULE:= init
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LOCAL_C_INCLUDES += \
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system/core/mkbootimg
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LOCAL_FORCE_STATIC_EXECUTABLE := true
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LOCAL_MODULE_PATH := $(TARGET_ROOT_OUT)
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LOCAL_UNSTRIPPED_PATH := $(TARGET_ROOT_OUT_UNSTRIPPED)
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LOCAL_STATIC_LIBRARIES := \
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libinit \
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libbootloader_message \
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libfs_mgr \
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libfec \
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libfec_rs \
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libsquashfs_utils \
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liblogwrap \
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libcutils \
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libext4_utils \
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libbase \
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libc \
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libselinux \
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liblog \
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libcrypto_utils \
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libcrypto \
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libc++_static \
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libdl \
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libsparse \
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libz \
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libprocessgroup \
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libnl \
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libavb
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# Create symlinks.
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LOCAL_POST_INSTALL_CMD := $(hide) mkdir -p $(TARGET_ROOT_OUT)/sbin; \
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ln -sf ../init $(TARGET_ROOT_OUT)/sbin/ueventd; \
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ln -sf ../init $(TARGET_ROOT_OUT)/sbin/watchdogd
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LOCAL_SANITIZE := integer
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LOCAL_CLANG := true
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include $(BUILD_EXECUTABLE)
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# Unit tests.
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# =========================================================
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include $(CLEAR_VARS)
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LOCAL_MODULE := init_tests
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LOCAL_SRC_FILES := \
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init_parser_test.cpp \
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property_service_test.cpp \
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util_test.cpp \
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LOCAL_SHARED_LIBRARIES += \
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libcutils \
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libbase \
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LOCAL_STATIC_LIBRARIES := libinit
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LOCAL_SANITIZE := integer
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LOCAL_CLANG := true
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LOCAL_CPPFLAGS := -Wall -Wextra -Werror
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include $(BUILD_NATIVE_TEST)
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# Include targets in subdirs.
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# =========================================================
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include $(call all-makefiles-under,$(LOCAL_PATH))
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