pgoodman

/*
 * Copyright (c) 2018 Trail of Bits, Inc.
 */

#include "mcsema/Util/ProgressBar.h"

#include <algorithm>
#include <cinttypes>
#include <cmath>
#include <cstdio>

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import logging
import os
import re
from subprocess import call
import sys

def _convert_data(data):
    '''
    'data' is a string of the 'disassembled' bitcode (could be 
    read in from file/stdin)

pgoodman

static bool TryExtractCMEQ_ASIMDMISC_Z(InstData &inst, uint32_t bits) {
  //   bits
  // & 10111111001111111111110000000000
  //   --------------------------------
  //   00001110001000001001100000000000
  if ((bits & 0xbf3ffc00U) != 0xe209800U) {
    return false;
  }
  union {
    uint32_t flat;

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0:  89 f8                   mov    eax,edi
2:  0f b7 4c 24 18          movzx  ecx,WORD PTR [rsp+0x18]
7:  81 f9 00 80 00 00       cmp    ecx,0x8000
d:  0f 95 c1                setne  cl
10: d3 e0                   shl    eax,cl
12: c3                      ret

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target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-pc-linux-gnu-elf"

%struct.Memory = type opaque
%struct.State = type { %struct.ArchState, [32 x %union.VectorReg], %struct.ArithFlags, %union.anon, %struct.Segments, %struct.AddressSpace, %struct.GPR, %struct.X87Stack, %struct.MMX, %struct.FPUStatusFlags, %union.anon, %union.FPU, %struct.SegmentCaches }
%struct.ArchState = type { i32, i32, %union.anon }
%union.VectorReg = type { %union.vec512_t }
%union.vec512_t = type { %struct.uint64v8_t }
%struct.uint64v8_t = type { [8 x i64] }
%struct.ArithFlags = type { i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8, i8 }

pgoodman

Instructions for a full build of Remill and its depedencies.

Clone cxx-common

cd ~/src
git clone [email protected]:trailofbits/cxx-common.git

Repository path

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clang --target=armv8-pc-linux-gnu -m64 -c /tmp/test.c -o /tmp/test.o

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/path/to/remill-build/tools/anvill/anvill-decompile-json-9.0 --spec /tmp/slice.json --ir_out /dev/stderr

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On macOS

export CFLAGS="-fsanitize=address -ffunction-sections -fdata-sections -Wl,-dead_strip -Wl,-undefined,dynamic_lookup -Wno-unused-command-line-argument"
export CXXFLAGS="-fsanitize=address -ffunction-sections -fdata-sections -Wl,-dead_strip -Wl,-undefined,dynamic_lookup -Wno-unused-command-line-argument"

On Linux

export CFLAGS="-fsanitize=address -ffunction-sections -fdata-sections -Wl,--gc-sections -Wl,--allow-multiple-definition"
export CXXFLAGS="-fsanitize=address -ffunction-sections -fdata-sections -Wl,--gc-sections -Wl,--allow-multiple-definition"

pgoodman

// Copyright 2020 Peter Goodman, all rights reserved.

#include <cassert>
#include <cstdint>
#include <cstddef>
#include <iostream>
#include <type_traits>
#include <vector>

template<typename IntegralType_, unsigned kNumBits_, unsigned kShift_>