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riscemu/libc/README.md

670 B

RiscEmu LibC

This is a very basic implementation of libc in risc-v assembly, meant specifically for the riscemu emulator.

This is currently very incomplete, only a handful of methods are implemented, and most of them pretty basic.

Contents:

stdlib.s

Basic implementations of:

  • malloc/free (that leaks memory)
  • rand/srand (using xorshift)
  • exit/atexit (supporting up to 8 exit handlers)

string.s

Somewhat nice implementations of:

  • strlen
  • strncpy
  • strcpy
  • memchr
  • memset (very basic byte-by-byte copy)

Correctness:

This library is only lightly tested, so be careful and report bugs when you find them!