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USAGE.md

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This file describes how to manually set up a directory for use with the permuter. You probably don't need to do this! In normal circumstances, ./import.py does all this for you. See README.md for more details.

  • create a directory that will contain all of the input files for the invokation
  • put a compile command into <dir>/compile.sh (see e.g. compile_example.sh; it will be invoked as ./compile.sh input.c -o output.o)
  • optionally create a toml file at <dir>/settings.toml (see example_settings.toml for reference)
  • gcc -E -P -I header_dir -D'__attribute__(x)=' orig_c_file.c > <dir>/base.c
  • python3 strip_other_fns.py <dir>/base.c func_name
  • put asm for func_name into <dir>/target.s, together with the header from prelude.inc
  • mips-linux-gnu-as -march=vr4300 -mabi=32 <dir>/target.s -o <dir>/target.o
  • optional sanity check:
    • <dir>/compile.sh <dir>/base.c -o <dir>/base.o
    • ./permuter.py <dir> --debug
  • ./permuter.py <dir>