disassemble.rs

// Copyright 2017 6WIND S.A. <quentin.monnet@6wind.com>
//
// Licensed under the Apache License, Version 2.0 <http://www.apache.org/licenses/LICENSE-2.0> or
// the MIT license <http://opensource.org/licenses/MIT>, at your option. This file may not be
// copied, modified, or distributed except according to those terms.

extern crate solana_rbpf;
use solana_rbpf::{
    elf::Executable,
    static_analysis::Analysis,
    user_error::UserError,
    vm::{Config, SyscallRegistry, TestInstructionMeter},
};
use std::collections::BTreeMap;

// Simply disassemble a program into human-readable instructions.
fn main() {
    let program: &'static [u8] = &[
        0xb7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79, 0x12, 0x50, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x79, 0x11, 0x40, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf, 0x13, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0x07, 0x03, 0x00, 0x00, 0x36, 0x00, 0x00, 0x00, 0x2d, 0x23, 0x12, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x69, 0x12, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x02, 0x10, 0x00,
        0x08, 0x00, 0x00, 0x00, 0x71, 0x12, 0x17, 0x00, 0x00, 0x00, 0x00, 0x00, 0x55, 0x02, 0x0e,
        0x00, 0x06, 0x00, 0x00, 0x00, 0x18, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x79, 0x11, 0x22, 0x00, 0x00, 0x00, 0x00, 0x00, 0xbf,
        0x12, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x57, 0x02, 0x00, 0x00, 0xff, 0xff, 0x00, 0x00,
        0x15, 0x02, 0x08, 0x00, 0x99, 0x99, 0x00, 0x00, 0x18, 0x02, 0x00, 0x00, 0x00, 0x00, 0xff,
        0xff, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x5f, 0x21, 0x00, 0x00, 0x00, 0x00,
        0x00, 0x00, 0xb7, 0x00, 0x00, 0x00, 0xff, 0xff, 0xff, 0xff, 0x18, 0x02, 0x00, 0x00, 0x00,
        0x00, 0x99, 0x99, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x1d, 0x21, 0x01, 0x00,
        0x00, 0x00, 0x00, 0x00, 0xb7, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x95, 0x00, 0x00,
        0x00, 0x00, 0x00, 0x00, 0x00,
    ];
    let executable = Executable::<UserError, TestInstructionMeter>::from_text_bytes(
        &program,
        None,
        Config::default(),
        SyscallRegistry::default(),
        BTreeMap::default(),
    )
    .unwrap();
    let analysis = Analysis::from_executable(&executable).unwrap();
    let stdout = std::io::stdout();
    analysis.disassemble(&mut stdout.lock()).unwrap();
}