allow other nasm inputformat, add readelf to assembly (#2481)

1 files changed, 69 insertions, 0 deletions

diff --git a/lib/compilers/nasm.js b/lib/compilers/nasm.js
new file mode 100644
index 000000000..8c9aed98d
--- /dev/null
+++ b/lib/compilers/nasm.js
@@ -0,0 +1,69 @@
+// 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;
+    }
+}