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Theodore Dubois 559ae4cbcc Make Hello World with libc and ld work

IF you want to understand how amazing this is, watch https://www.twitch.tv/videos/152115137

2017-06-15 14:18:24 -07:00

emu

Make Hello World with libc and ld work

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Make Hello World with libc and ld work

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sys

Make Hello World with libc and ld work

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tests

Make Hello World with libc and ld work

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tools

Make Hello World with libc and ld work

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vdso

Make Hello World with libc and ld work

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.exrc

Make filesystem work well enough for cat program

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.gitignore

Add gitignore

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main.c

Make filesystem work well enough for cat program

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meson.build

Make Hello World with libc and ld work

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misc.h

Make Hello World with libc and ld work

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README.md

Update readme

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setup.c

Get up to mprotect on linker

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README.md

ish

A user-mode x86 emulator for Linux.

Build system is meson. Run programs with ./thingy program. Currently just barely enough stuff is implemented to initialize the C library. If you're not sure what to run, there are some test programs in (you guessed it) tests.

You can also replace thingy with ptraceomatic to run the program in a real process and single step and compare the registers at each step. I use it for debugging. Very likely will not work on anything that isn't Linux 4.11 x86_64.

Ultimate goal: A Linux shell on iOS.

Languages

C 70.2%

Objective-C 21.4%

Assembly 5.4%

Swift 0.8%

Meson 0.8%

Other 1.3%