1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
// Copyright (c) 2018, 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 fs from 'fs';
import path from 'path';
import _ from 'underscore';
import type {BuildResult} from '../../types/compilation/compilation.interfaces.js';
import type {PreliminaryCompilerInfo} from '../../types/compiler.interfaces.js';
import type {ParseFiltersAndOutputOptions} from '../../types/features/filters.interfaces.js';
import {BaseCompiler} from '../base-compiler.js';
import {AsmRaw} from '../parsers/asm-raw.js';
import {fileExists} from '../utils.js';
import {BaseParser} from './argument-parsers.js';
export class AssemblyCompiler extends BaseCompiler {
static get key() {
return 'assembly';
}
constructor(info: PreliminaryCompilerInfo, env) {
super(info, env);
this.asm = new AsmRaw();
}
override getSharedLibraryPathsAsArguments() {
return [];
}
override getArgumentParser() {
return BaseParser;
}
override optionsForFilter(filters: ParseFiltersAndOutputOptions, outputFilename: string, userOptions?: string[]) {
filters.binary = true;
return [];
}
getGeneratedOutputFilename(fn: string) {
const outputFolder = path.dirname(fn);
const files = fs.readdirSync(outputFolder);
let outputFilename = super.filename(fn);
for (const file of files) {
if (file[0] !== '.' && file !== this.compileFilename) {
outputFilename = path.join(outputFolder, file);
}
}
return outputFilename;
}
override getOutputFilename(dirPath: string) {
return this.getGeneratedOutputFilename(path.join(dirPath, 'example.asm'));
}
async runReadelf(fullResult, objectFilename) {
const execOptions = this.getDefaultExecOptions();
execOptions.customCwd = path.dirname(objectFilename);
return await this.doBuildstepAndAddToResult(
fullResult,
'readelf',
this.env.ceProps('readelf'),
['-h', objectFilename],
execOptions,
);
}
async getArchitecture(fullResult, objectFilename) {
const result = await this.runReadelf(fullResult, objectFilename);
const output = result.stdout.map(line => line.text).join('\n');
if (output.includes('ELF32') && output.includes('80386')) {
return 'x86';
} else if (output.includes('ELF64') && output.includes('X86-64')) {
return 'x86_64';
} else if (output.includes('Mach-O 64-bit x86-64')) {
// note: this is to support readelf=objdump on Mac
return 'x86_64';
}
return false;
}
async runLinker(fullResult, inputArch, objectFilename, outputFilename) {
const execOptions = this.getDefaultExecOptions();
execOptions.customCwd = path.dirname(objectFilename);
const options = ['-o', outputFilename];
if (inputArch === 'x86') {
options.push('-m', 'elf_i386');
} else if (inputArch === 'x86_64') {
// default target
} else {
const result = {
code: -1,
step: 'ld',
stderr: [{text: 'Invalid architecture for linking and execution'}],
};
fullResult.buildsteps.push(result);
return result;
}
options.push(objectFilename);
return this.doBuildstepAndAddToResult(fullResult, 'ld', this.env.ceProps('ld'), options, execOptions);
}
override getExecutableFilename(dirPath: string) {
return path.join(dirPath, 'ce-asm-executable');
}
override async buildExecutableInFolder(key, dirPath: string): Promise<BuildResult> {
const buildEnvironment = this.setupBuildEnvironment(key, dirPath, true);
const writeSummary = await this.writeAllFiles(dirPath, key.source, key.files, key.filters);
const inputFilename = writeSummary.inputFilename;
const outputFilename = this.getExecutableFilename(dirPath);
const buildFilters: ParseFiltersAndOutputOptions = Object.assign({}, key.filters);
buildFilters.binary = true;
buildFilters.execute = false;
const overrides = this.sanitizeCompilerOverrides(key.backendOptions.overrides || []);
const compilerArguments = _.compact(
this.prepareArguments(
key.options,
buildFilters,
key.backendOptions,
inputFilename,
outputFilename,
key.libraries,
overrides,
),
);
const downloads = await buildEnvironment;
const execOptions = this.getDefaultExecOptions();
execOptions.ldPath = this.getSharedLibraryPathsAsLdLibraryPaths(key.libraries, dirPath);
const result = await this.buildExecutable(key.compiler.exe, compilerArguments, inputFilename, execOptions);
const fullResult: BuildResult = {
...result,
buildsteps: [],
downloads,
executableFilename: outputFilename,
compilationOptions: compilerArguments,
};
const objectFilename = this.getOutputFilename(dirPath);
if (objectFilename !== inputFilename && (await fileExists(objectFilename))) {
const inputArch = await this.getArchitecture(fullResult, objectFilename);
const ldResult = await this.runLinker(fullResult, inputArch, objectFilename, outputFilename);
fullResult.stderr = fullResult.stderr.concat(ldResult.stderr);
}
return fullResult;
}
override checkOutputFileAndDoPostProcess(asmResult, outputFilename, filters: ParseFiltersAndOutputOptions) {
return this.postProcess(asmResult, outputFilename, filters);
}
override getObjdumpOutputFilename(defaultOutputFilename: string): string {
return this.getGeneratedOutputFilename(defaultOutputFilename);
}
override isCfgCompiler(/* compilerVersion */) {
return true;
}
}
|
