Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
Add support for clang-cl and llvm-undname (#4371)
* Added llvm demangler code * Added clang-cl compiler class
- Loading branch information
1 parent
999c692
commit 1ef4b8e
Showing
5 changed files
with
153 additions
and
1 deletion.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,73 @@ | ||
// Copyright (c) 2022, 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 {ParseFiltersAndOutputOptions} from '../../types/features/filters.interfaces'; | ||
|
||
import {Win32Compiler} from './win32'; | ||
|
||
export class ClangCLCompiler extends Win32Compiler { | ||
static override get key() { | ||
return 'clang-cl'; | ||
} | ||
|
||
constructor(info, env) { | ||
super(info, env); | ||
|
||
this.compiler.supportsIrView = true; | ||
this.compiler.irArg = ['-Xclang', '-emit-llvm']; | ||
this.compiler.supportsIntel = false; | ||
this.compiler.includeFlag = '/clang:-isystem'; | ||
} | ||
|
||
override async generateIR(inputFilename: string, options: string[], filters: ParseFiltersAndOutputOptions) { | ||
// These options make Clang produce an IR | ||
const newOptions = options | ||
.filter(option => option !== '/FA' && !option.startsWith('/Fa')) | ||
.concat(this.compiler.irArg); | ||
|
||
const execOptions = this.getDefaultExecOptions(); | ||
// A higher max output is needed for when the user includes headers | ||
execOptions.maxOutput = 1024 * 1024 * 1024; | ||
|
||
const output = await this.runCompiler(this.compiler.exe, newOptions, this.filename(inputFilename), execOptions); | ||
if (output.code !== 0) { | ||
return [{text: 'Failed to run compiler to get IR code'}]; | ||
} | ||
const ir = await this.processIrOutput(output, filters); | ||
return ir.asm; | ||
} | ||
|
||
override getIrOutputFilename(inputFilename: string, filters: ParseFiltersAndOutputOptions): string { | ||
return this.filename(path.dirname(inputFilename) + '/output.s.obj'); | ||
} | ||
|
||
override optionsForFilter(filters, outputFilename) { | ||
const options = super.optionsForFilter(filters, outputFilename); | ||
|
||
// Force the debugging info flag or we can't source locations. | ||
return ['/Z7'].concat(options); | ||
} | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,76 @@ | ||
// Copyright (c) 2022, 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 * as utils from '../utils'; | ||
|
||
import {Win32Demangler} from './win32'; | ||
|
||
export class LLVMWin32Demangler extends Win32Demangler { | ||
static get key() { | ||
// this should be used for llvm-undname | ||
return 'win32-llvm'; | ||
} | ||
|
||
async execDemangler() { | ||
const translations = {}; | ||
const flags = ['--no-access-specifier', '--no-calling-convention']; | ||
|
||
const demangleFromStdin = async stdin => { | ||
const args = [...flags]; | ||
const execOptions = this.compiler.getDefaultExecOptions(); | ||
execOptions.input = stdin; | ||
const output = await this.compiler.exec(this.demanglerExe, args, execOptions); | ||
const oArray = utils.splitLines(output.stdout); | ||
const outputArray = oArray.filter(n => n); | ||
|
||
// llvm-undname just output: | ||
// mangledName | ||
// unmangledName | ||
for (let i = 0; i < outputArray.length; ++i) { | ||
if (this.hasQuotesAroundDecoratedLabels) { | ||
translations[`"${outputArray[i]}"`] = outputArray[++i]; | ||
} else { | ||
translations[outputArray[i]] = outputArray[++i]; | ||
} | ||
} | ||
}; | ||
|
||
this.win32RawSymbols.sort(); | ||
|
||
let lastSymbol = null; | ||
let symbolArray = []; | ||
for (const symb of this.win32RawSymbols) { | ||
if (symb === lastSymbol) { | ||
continue; | ||
} | ||
lastSymbol = symb; | ||
symbolArray.push(symb); | ||
} | ||
|
||
const stdin = symbolArray.join('\n') + '\n'; | ||
await demangleFromStdin(stdin); | ||
|
||
return translations; | ||
} | ||
} |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters