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‎LICENSE

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‎README.md

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# MCPELinux - 在桌面 Linux 运行 MCPE for Android
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## 目录
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- [简介](#简介)
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- [构建、运行与调试](#构建、运行与调试)
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- [许可](#许可)
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## 简介
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本项目提供一个在桌面 Linux 上运行 MCPE 的环境。与 [mcpelauncher-linux](https://github.com/MCMrARM/mcpelauncher-linux/)
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以及 [minecraft-linux](https://github.com/minecraft-linux/) 类似，并参考了其 ABI 差异处理库
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[libc-shim](https://github.com/minecraft-linux/libc-shim)。
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但本项目并*不是*上述项目的分支，相比之下本项目更加简单，实现思路也有所不同。
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只能运行 MCPE 0.14 至 1.1 的部分版本。1.2 以后的版本需要正版验证不能运行。
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欢迎有志之士折腾。
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## 构建、运行与调试
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通过 meson 可以轻松构建所有模块，请注意需要使用 i686-linux-gnu- 工具链以编译 32 位程序，需要安装一些 32 位的库如 Mesa，GLFW，libpng 等。
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```
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cd 本项目源码根目录
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meson 你的编译文件夹 --prefix=你的安装前缀 --cross-file=你的交叉编译描述文件
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cd 你的编译文件夹
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ninja install
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```
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随便找个文件夹即可，不要用系统目录。
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编译完成之后会在`你的安装前缀/bin/`目录下得到一个`main`可执行文件，执行该文件以了解使用方法。其中`-mcpe`选项指定为你的 apk 安装包解压后的根目录。
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比如你在`/home/cosine/mcpe`解压了安装包，那么素材文件夹就是`/home/cosine/mcpe/assets`，而`libminecraftpe.so`应该在
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`/home/cosine/mcpe/lib/x86/libminecraftpe.so`。
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gdb 运行 main 之前用 `set solib-search-path <path>` 命令把`libminecraftpe.so`所在目录加进去即可在调试时看到 MCPE 的符号。
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## 许可
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本项目所有模块以 [GPL v2.0](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) 授权。
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但 aglinker 是修改版的 Bionic libc linker，来自 AOSP，有其自己的许可。

‎aglinker/Android.mk

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LOCAL_PATH:= $(call my-dir)
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include $(CLEAR_VARS)
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ifeq ($(TARGET_ARCH),x86)
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linker_begin_extension := c
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else
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linker_begin_extension := S
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endif
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LOCAL_SRC_FILES:= \
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arch/$(TARGET_ARCH)/begin.$(linker_begin_extension) \
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debugger.cpp \
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dlfcn.cpp \
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linker.cpp \
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linker_environ.cpp \
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linker_phdr.cpp \
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rt.cpp
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LOCAL_LDFLAGS := -shared -Wl,--exclude-libs,ALL
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LOCAL_CFLAGS += -fno-stack-protector \
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-Wstrict-overflow=5 \
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-fvisibility=hidden \
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-Wall -Wextra -Werror
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# We need to access Bionic private headers in the linker.
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LOCAL_CFLAGS += -I$(LOCAL_PATH)/../libc/
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ifeq ($(TARGET_ARCH),arm)
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LOCAL_CFLAGS += -DANDROID_ARM_LINKER
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endif
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ifeq ($(TARGET_ARCH),x86)
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LOCAL_CFLAGS += -DANDROID_X86_LINKER
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endif
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ifeq ($(TARGET_ARCH),mips)
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LOCAL_CFLAGS += -DANDROID_MIPS_LINKER
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endif
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LOCAL_MODULE:= linker
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LOCAL_ADDITIONAL_DEPENDENCIES := $(LOCAL_PATH)/Android.mk
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LOCAL_STATIC_LIBRARIES := libc_nomalloc
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#LOCAL_FORCE_STATIC_EXECUTABLE := true # not necessary when not including BUILD_EXECUTABLE
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#
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# include $(BUILD_EXECUTABLE)
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#
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# Instead of including $(BUILD_EXECUTABLE), we execute the steps to create an executable by
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# hand, as we want to insert an extra step that is not supported by the build system, and
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# is probably specific the linker only, so there's no need to modify the build system for
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# the purpose.
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LOCAL_MODULE_CLASS := EXECUTABLES
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LOCAL_MODULE_SUFFIX := $(TARGET_EXECUTABLE_SUFFIX)
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# we don't want crtbegin.o (because we have begin.o), so unset it
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# just for this module
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LOCAL_NO_CRT := true
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# TODO: split out the asflags.
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LOCAL_ASFLAGS := $(LOCAL_CFLAGS)
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include $(BUILD_SYSTEM)/dynamic_binary.mk
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# See build/core/executable.mk
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$(linked_module): PRIVATE_TARGET_GLOBAL_LD_DIRS := $(TARGET_GLOBAL_LD_DIRS)
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$(linked_module): PRIVATE_TARGET_GLOBAL_LDFLAGS := $(TARGET_GLOBAL_LDFLAGS)
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$(linked_module): PRIVATE_TARGET_FDO_LIB := $(TARGET_FDO_LIB)
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$(linked_module): PRIVATE_TARGET_LIBGCC := $(TARGET_LIBGCC)
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$(linked_module): PRIVATE_TARGET_CRTBEGIN_DYNAMIC_O := $(TARGET_CRTBEGIN_DYNAMIC_O)
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$(linked_module): PRIVATE_TARGET_CRTBEGIN_STATIC_O := $(TARGET_CRTBEGIN_STATIC_O)
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$(linked_module): PRIVATE_TARGET_CRTEND_O := $(TARGET_CRTEND_O)
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$(linked_module): $(TARGET_CRTBEGIN_STATIC_O) $(all_objects) $(all_libraries) $(TARGET_CRTEND_O)
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$(transform-o-to-static-executable)
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@echo "target PrefixSymbols: $(PRIVATE_MODULE) ($@)"
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$(hide) $(TARGET_OBJCOPY) --prefix-symbols=__dl_ $@
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#
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# end of BUILD_EXECUTABLE hack
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#

‎aglinker/MODULE_LICENSE_APACHE2

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‎aglinker/NOTICE

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Copyright (C) 2007 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-------------------------------------------------------------------
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Copyright (C) 2008 The Android Open Source Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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-------------------------------------------------------------------
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Copyright (C) 2008, 2009 The Android Open Source Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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-------------------------------------------------------------------
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Copyright (C) 2008-2010 The Android Open Source Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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-------------------------------------------------------------------
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Copyright (C) 2010 The Android Open Source Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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-------------------------------------------------------------------
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Copyright (C) 2012 The Android Open Source Project
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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SUCH DAMAGE.
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-------------------------------------------------------------------
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‎aglinker/ScopedPthreadMutexLocker.h

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/*
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* Copyright (C) 2012 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef SCOPED_PTHREAD_MUTEX_LOCKER_H
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#define SCOPED_PTHREAD_MUTEX_LOCKER_H
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#include <pthread.h>
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class ScopedPthreadMutexLocker {
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public:
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explicit ScopedPthreadMutexLocker(pthread_mutex_t* mu) : mu_(mu) {
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pthread_mutex_lock(mu_);
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}
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~ScopedPthreadMutexLocker() {
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pthread_mutex_unlock(mu_);
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}
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private:
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pthread_mutex_t* mu_;
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// Disallow copy and assignment.
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ScopedPthreadMutexLocker(const ScopedPthreadMutexLocker&);
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void operator=(const ScopedPthreadMutexLocker&);
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};
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#endif // SCOPED_PTHREAD_MUTEX_LOCKER_H

‎aglinker/arch/arm/begin.S

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/*
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* Copyright (C) 2008 The Android Open Source Project
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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.text
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.align 4
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.type _start,#function
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.globl _start
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_start:
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mov r0, sp
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mov r1, #0
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bl __linker_init
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/* linker init returns the _entry address in the main image */
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mov pc, r0
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.section .ctors, "wa"
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.globl __CTOR_LIST__
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__CTOR_LIST__:
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.long -1

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