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// Copyright (c) 2018, Patrick Quist
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
'use strict';
const BaseCompiler = require('../base-compiler'),
AsmRaw = require('../asm-raw').AsmParser,
utils = require('../utils'),
fs = require('fs'),
path = require('path'),
argumentParsers = require('./argument-parsers');
class AssemblyCompiler extends BaseCompiler {
constructor(info, env) {
super(info, env);
this.asm = new AsmRaw();
}
getSharedLibraryPathsAsArguments() {
return [];
}
getArgumentParser() {
return argumentParsers.Base;
}
optionsForFilter(filters) {
filters.binary = true;
return [];
}
async runCompiler(compiler, options, inputFilename, execOptions) {
if (!execOptions) {
execOptions = this.getDefaultExecOptions();
}
execOptions.customCwd = path.dirname(inputFilename);
const result = await this.exec(compiler, options, execOptions);
result.inputFilename = inputFilename;
result.stdout = utils.parseOutput(result.stdout, inputFilename);
result.stderr = utils.parseOutput(result.stderr, inputFilename);
return result;
}
checkOutputFileAndDoPostProcess(asmResult, outputFilename, filters) {
return this.postProcess(asmResult, outputFilename, filters);
}
getGeneratedOutputFilename(inputFilename) {
const outputFolder = path.dirname(inputFilename);
return new Promise((resolve, reject) => {
fs.readdir(outputFolder, (err, files) => {
files.forEach(file => {
if (file[0] !== '.' && file !== this.compileFilename) {
resolve(path.join(outputFolder, file));
}
});
reject('No output file was generated');
});
});
}
async objdump(outputFilename, result, maxSize, intelAsm, demangle) {
const realOutputFilename = await this.getGeneratedOutputFilename(outputFilename);
const dirPath = path.dirname(realOutputFilename);
let args = ['-d', realOutputFilename, '-l', '--insn-width=16'];
if (demangle) args = args.concat('-C');
if (intelAsm) args = args.concat(['-M', 'intel']);
const objResult = await this.exec(
this.compiler.objdumper, args, {maxOutput: maxSize, customCwd: dirPath});
result.asm = objResult.stdout;
if (objResult.code !== 0) {
result.asm = '<No output: objdump returned ' + objResult.code + '>';
}
return result;
}
}
module.exports = AssemblyCompiler;
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