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56 lines
2.2 KiB
TypeScript
56 lines
2.2 KiB
TypeScript
// Copyright (c) 2023, Compiler Explorer Authors
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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import {InstructionSet} from '../../../types/instructionsets.js';
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export enum InstructionType {
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jmp = 0,
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conditionalJmpInst = 1,
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notRetInst = 2,
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retInst = 3,
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}
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export class BaseInstructionSetInfo {
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static get key(): 'base' | InstructionSet | InstructionSet[] {
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return 'base';
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}
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isJmpInstruction(x: string) {
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return (
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x.trim()[0] === 'j' ||
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/\bb\.*(eq|ne|cs|hs|cc|lo|hi|ls|ge|lt|gt|le|rge|rlt)?\b/.test(x) ||
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/tbnz|tbz|cbnz|cbz/.test(x)
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);
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}
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getInstructionType(inst: string) {
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if (inst.includes('jmp') || inst.includes(' b ')) return InstructionType.jmp;
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if (this.isJmpInstruction(inst)) return InstructionType.conditionalJmpInst;
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if (inst.includes(' ret')) {
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return InstructionType.retInst;
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}
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return InstructionType.notRetInst;
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}
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}
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