lib/compilers/nasm.js

// Copyright (c) 2021, Compiler Explorer Authors
// 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.

import path from 'path';

import * as utils from '../utils';

import { AssemblyCompiler } from './assembly';

export class NasmCompiler extends AssemblyCompiler {
    static get key() { return 'nasm'; }

    prepareArguments(userOptions, filters, backendOptions, inputFilename, outputFilename, libraries) {
        let options = super.prepareArguments(userOptions, filters, backendOptions, inputFilename,
            outputFilename, libraries);

        let fmode;
        if (options.includes('-felf')) {
            fmode = 'elf';
        } else if (options.includes('-felf64')) {
            fmode = 'elf64';
        } else if (options.includes('-fbin')) {
            fmode = 'bin';
        } else if (options.includes('-f')) {
            const idx = options.indexOf('-f');
            fmode = options[idx+1];
        }

        if (!fmode) {
            options = ['-g','-f','elf','-F','stabs'].concat(options);
        }

        return options;
    }

    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;
    }
}