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arch-armv7

This is the ARMv7 plugin that ships with Binary Ninja.

Contributing

If you're interested in contributing when you submit your first PR, you'll receive a notice from CLA Assistant that allows you to sign our Contribution License Agreement online.

Building

Building the architecture plugin requires cmake 3.9 or above. You will also need the Binary Ninja API source.

First, set the BN_API_PATH environment variable to the path containing the Binary Ninja API source tree.

Run cmake. This can be done either from a separate build directory or from the source directory. If your app is installed in a non-default location, set BN_INSTALL_DIR in your cmake invocation, like cmake -DBN_INSTALL_DIR=/Applications/Binary\ Ninja\ DEV.app/'. Once that is complete, run make in the build directory to compile the plugin.

The plugin can be found in the root of the build directory as libarch_armv7.so, libarch_armv7.dylib or arch_armv7.dll depending on your platform.

To install the plugin, first launch Binary Ninja and uncheck the "ARMv7 architecture plugin" option in the "Core Plugins" section. This will cause Binary Ninja to stop loading the bundled plugin so that its replacement can be loaded. Once this is complete, you can copy the plugin into the user plugins directory (you can locate this by using the "Open Plugin Folder" option in the Binary Ninja UI).

Do not replace the architecture plugin in the Binary Ninja install directory. This will be overwritten every time there is a Binary Ninja update. Use the above process to ensure that updates do not automatically uninstall your custom build.

Build Example

acquire repositories

mkdir ~/repos/vector35
cd ~/repos/vector35
git clone git@github.com:Vector35/binaryninja-api.git
git clone git@github.com:Vector35/arch-armv7.git

environment variables

export BN_API_PATH=~/repos/vector35/binaryninja-api

cmake, make

cd arch-armv7
cmake -DBN_INSTALL_DIR=/Applications/Binary\ Ninja\ DEV.app/ .
make

Build Troubleshooting

example

CMake Error at CMakeLists.txt:8 (message):
  Provide path to Binary Ninja API source in BN_API_PATH
resolution:
ensure BN_API_PATH is in your environment

example

CMake Error at /Users/andrewl/repos/vector35/binaryninja-api/CMakeLists.txt:53 (message):
  Binary Ninja Core Not Found
resolution:
ensure BN_INSTALL_DIR is supplied at command line invocation of cmake
ensure some bad directory is not cached in CMakeCache.txt

example

cmake seems to ignore your setting of BN_INSTALL_DIR and other cmake variables
resolution:
rm CMakeCache.txt

example

undefined symbols at link time, like:
Undefined symbols for architecture x86_64:
  "_BNClearUserVariableValue", referenced from:
  BinaryNinja::Function::ClearUserVariableValue(BinaryNinja::Variable const&, unsigned long long) in libbinaryninjaapi.a(function.cpp.o)
resolution:
ensure that your api repo is on the same channel and at the same commit as the libbinaryninjacore you're linking against
eg: binaryninja is on dev update channel and is up-to-date and binaryninja-api repo is on branch dev with latest pulled

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ARMv7 architecture plugin

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