radare2/README.md

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```
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____ ___ ___ ___ ____ ___ ____
| _ \/ \| \/ \ _ \/ _ \ (__ \
| ( - | | ) - | ( _/ / __/
|__\__|_|__|___/__|__|_\__|___| |____|
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https://www.radare.org
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--pancake
```
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| Service | Badge |
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|----------|---------------------------------------------------------------------|
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| **TravisCI** | [![Build Status](https://travis-ci.com/radareorg/radare2.svg?branch=master)](https://travis-ci.com/radareorg/radare2)|
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| **AppVeyor** | [![Build status](https://ci.appveyor.com/api/projects/status/9cgkgxkc3203fm1o/branch/master?svg=true)](https://ci.appveyor.com/project/radareorg/radare2/branch/master)|
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| **FreeBSD (sr.ht)** | [![builds.sr.ht status](https://builds.sr.ht/~xvilka/radare2/freebsd.yml.svg)](https://builds.sr.ht/~xvilka/radare2/freebsd.yml?)|
| **OpenBSD (sr.ht)** | [![builds.sr.ht status](https://builds.sr.ht/~xvilka/radare2/openbsd.yml.svg)](https://builds.sr.ht/~xvilka/radare2/openbsd.yml?)|
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| **Coverity** | [![Build Status](https://scan.coverity.com/projects/416/badge.svg)](https://scan.coverity.com/projects/416) |
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| **LGTM** | [![Total alerts](https://img.shields.io/lgtm/alerts/g/radareorg/radare2.svg?logo=lgtm&logoWidth=18)](https://lgtm.com/projects/g/radareorg/radare2/alerts/)
| **Infrastructure** | [![CII Best Practices](https://bestpractices.coreinfrastructure.org/projects/741/badge)](https://bestpractices.coreinfrastructure.org/projects/741) |
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| **Codecov** | [![codecov](https://codecov.io/gh/radareorg/radare2/branch/master/graph/badge.svg)](https://codecov.io/gh/radareorg/radare2)
| **Fuzzit** | [![fuzzit](https://app.fuzzit.dev/badge?org_id=2zv5qI33roZkRm0oO2Mi&target_id=YVkkS6RPVpKhSixyFWcT&branch=master)](https://app.fuzzit.dev/admin/2zv5qI33roZkRm0oO2Mi/target)
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<a href="https://repology.org/metapackage/radare2">
<img src="https://repology.org/badge/vertical-allrepos/radare2.svg" alt="Packaging status" align="right" width="150px">
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</a>
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# Introduction
r2 is a rewrite from scratch of radare in order to provide
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a set of libraries and tools to work with binary files.
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Radare project started as a forensics tool, a scriptable
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command-line hexadecimal editor able to open disk files,
but later added support for analyzing binaries, disassembling
code, debugging programs, attaching to remote gdb servers...
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radare2 is portable.
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To learn more on radare2 you may want to read the [official radare2 book](https://radare.gitbooks.io/radare2book/content/).
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You can also use [r2lrn](https://github.com/0ki/r2lrn) or r2golf for a hands-on learning experience.
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## Operating Systems
Windows (since XP), GNU/Linux, OS X, [Net|Free|Open]BSD,
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Android, iOS, OSX, QNX, Solaris, Haiku, Firefox OS.
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## Architectures
i386, x86-64, ARM, MIPS, PowerPC, SPARC, RISC-V, SH, m68k, m680x, AVR,
XAP, System Z, XCore, CR16, HPPA, ARC, Blackfin, Z80, H8/300, V810,
V850, CRIS, XAP, PIC, LM32, 8051, 6502, i4004, i8080, Propeller,
Tricore, CHIP-8, LH5801, T8200, GameBoy, SNES, SPC700, MSP430, Xtensa,
NIOS II, Java, Dalvik, WebAssembly, MSIL, EBC, TMS320 (c54x, c55x,
c55+, c66), Hexagon, Brainfuck, Malbolge, whitespace, DCPU16, LANAI,
MCORE, mcs96, RSP, SuperH-4, VAX.
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## File Formats
ELF, Mach-O, Fatmach-O, PE, PE+, MZ, COFF, OMF, TE, XBE, BIOS/UEFI,
Dyldcache, DEX, ART, CGC, Java class, Android boot image, Plan9 executable,
ZIMG, MBN/SBL bootloader, ELF coredump, MDMP (Windows minidump),
WASM (WebAssembly binary), Commodore VICE emulator, QNX,
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Game Boy (Advance), Nintendo DS ROMs and Nintendo 3DS FIRMs, various filesystems.
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## Scripting
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Native bindings are supported but the recommended way to interact with r2
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from other languages is by using [r2pipe](https://github.com/radareorg/radare2-r2pipe)
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Python, Ruby, JavaScript, Lua, Perl, PHP, Go, Rust, Swift, C#, Java,
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Shell, OCaml, Haskell, Scheme (Guile), Common Lisp, Clojure, Erlang, D,
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Vala/Genie, Prolog, Nim, Newlisp...
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# Install / Update
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The recommended way to install or update radare2 from git for single-user systems:
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$ sys/install.sh
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If you don't have root, or just want to install it in your home use:
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$ sys/user.sh
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Note that those scripts will install using configure+make using symlinks, so you
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don't need to reinstall every time you change something in the builddir.
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* If you don't like symlinks use `sys/install.sh --install`
* To use capstone5 use the `--with-capstone5` flag.
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Alternatively you can also build with meson + ninja:
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$ ./sys/meson.py --prefix=/usr --shared --install
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## Uninstall
In case of a polluted filesystem, you can uninstall the current
version or remove all previous installations:
$ make uninstall
$ make purge
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To remove all stuff including libraries, use
$ make system-purge
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## Package Manager
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Radare2 has its own package manager - r2pm. Its packages
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repository is on [GitHub too](https://github.com/radareorg/radare2-pm).
To start to using it for the first time, you need to initialize packages:
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$ r2pm init
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Refresh the packages database before installing any package:
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$ r2pm update
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To install a package, use the following command:
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$ r2pm install [package name]
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# Development
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## Coding Style
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Look at [CONTRIBUTING.md](https://github.com/radareorg/radare2/blob/master/CONTRIBUTING.md).
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## Tests
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Running `make tests` will fetch the test binaries
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repository and run all the tests in order to verify that no changes break any functionality.
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We run those tests on every commit, and they are also executed with ASAN
and valgrind on different platforms to catch other unwanted 'features'.
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# Community
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Website: [https://www.radare.org/](https://www.radare.org/)
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Telegram: [https://t.me/radare](https://t.me/radare)
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Twitter: [@radareorg](https://twitter.com/radareorg)
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IRC: irc.freenode.net #radare
Matrix: @radare2:matrix.org