From 7c55911335efab6be42a2fb7194a79e6b6900f80 Mon Sep 17 00:00:00 2001 From: iximeow Date: Thu, 6 Feb 2020 00:50:52 -0800 Subject: clean up yaxdis and make for usable help --- README.md | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 README.md (limited to 'README.md') diff --git a/README.md b/README.md new file mode 100644 index 0000000..8f49ea5 --- /dev/null +++ b/README.md @@ -0,0 +1,21 @@ +## yaxpeax-dis + +`yaxpeax-dis` is the repo providing `yaxdis`, a small and very naive disassembler to exercise decoders in the [yaxpeax project](https://git.iximeow.net/yaxpeax-arch/). it does not (currently?) do much other than disassembling hex input, and is mostly useful as an example of how to use decoders and spot-checking a specific instruction's decoding. + +## usage + +`yaxdis [-a arch] [hex bytes]`, such as `yaxdis -a x86_64 33c0c3` which should yield: +``` +0x00000000: 33c0 : xor eax, eax +0x00000002: c3 : ret +``` +or `yaxdis -a armv7 83591764ab46cd42`, producing: +``` +0x00000000: 83591764 : ldrvs r5, [r7], #-0x260c +0x00000004: ab46cd42 : sbcmi sp, 0x46ab +``` + +`yaxdis` also takes a `-v` flag to emit more verbose information (really, a `Debug` display of decoded instructions). + +## supported architectures / ! user beware ! +`yaxdis` should support all architectures listed in the [yaxpeax-arch readme](https://git.iximeow.net/yaxpeax-arch/). that is currently `x86_64`, `armv7`, `armv8`, `mips`, `msp430`, `pic17`, `pic18`, and `m16c`. specific levels of support and stability vary, beware. -- cgit v1.1