Brainfuck support for rizin

Plugins for brainfuck:

• asm.bf - brainfuck assembler and disassembler
• debug.bf - debugger using bfvm
• analysis.bf - code analysis for brainfuck
• bp.bf - breakpoints support (experimental)

To debug a brainfuck program:

rizin -D bf bfdbg:///tmp/bf

> dc    # continue
> x@scr # show screen buffer contents

The debugger creates virtual sections for code, data, screen and input.

TODO

• add support for comments, ignore invalid instructions as nops
• enhance io and debugger plugins to generate sections and set arch opts

Hello World

>+++++++++[<++++++++>-]<.>+++++++[<++++>-]<+.+++++++..+++.[-]
>++++++++[<++++>-] <.>+++++++++++[<++++++++>-]<-.--------.+++
.------.--------.[-]>++++++++[<++++>- ]<+.[-]++++++++++.

$ cat << EOF
>+++++++++[<++++++++>-]<.>+++++++[<++++>-]<+.+++++++..+++.[-]>++++++++[<++++>-] <.>+++++++++++[<++++++++>-]<-.--------.+++.------.--------.[-]>++++++++[<++++>- ]<+.[-]++++++++++.
EOF