60 lines
2.6 KiB
TypeScript
60 lines
2.6 KiB
TypeScript
import path from 'path';
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import { CodeListing, CodeListingMap, Segment } from "../../common/workertypes";
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export function parseObjDump(lst: string) {
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// parse symbol map
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const lines = lst.split('\n');
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const symbolmap = {};
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const segments : Segment[] = [];
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for (let i = 0; i < lines.length; i++) {
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const line = lines[i].trim();
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if (line.startsWith("Disassembly")) break;
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if (line.startsWith('0')) {
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const parts = line.split(/\s+/);
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if (parts.length < 5) continue;
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const symbol = parts[parts.length-1];
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const address = parseInt(parts[0], 16) & 0xffff; // TODO: 32-bit addresses
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symbolmap[symbol] = address;
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// is it a segment?
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if (symbol.startsWith('__')) {
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if (symbol.endsWith('_start')) {
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let name = symbol.substring(2, symbol.length - 6);
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let type = parts[2] == '.text' ? 'rom' : 'ram';
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segments.push({ name, start: address, size: 0, type })
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} else if (symbol.endsWith('_size')) {
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let name = symbol.substring(2, symbol.length - 5);
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let seg = segments.find(s => s.name === name);
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if (seg) seg.size = address;
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}
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}
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}
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}
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// parse listings
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const listings: CodeListingMap = {};
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var lastListing : CodeListing = null;
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for (let i = 0; i < lines.length; i++) {
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const line = lines[i].trim();
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if (line.startsWith(';')) {
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const fileInfoIndex = line.indexOf(':');
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if (fileInfoIndex !== -1) {
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const fileInfo = line.substring(1).trim();
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const fileParts = fileInfo.split(':');
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const file = path.basename(fileParts[0].trim()).split('.')[0] + '.lst';
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const lineNumber = parseInt(fileParts[1], 10);
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if (lineNumber > 0) {
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if (!listings[file]) listings[file] = { lines: [], text: lst };
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lastListing = listings[file];
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lastListing.lines.push({ line: lineNumber, offset: null });
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}
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}
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} else if (lastListing && line.match(/^\s*[A-F0-9]+:.+/i)) {
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const offsetIndex = line.indexOf(':');
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if (offsetIndex !== -1) {
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const offset = parseInt(line.substring(0, offsetIndex).trim(), 16) & 0xffff; // TODO: 32-bit addresses;
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lastListing.lines[lastListing.lines.length - 1].offset = offset;
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}
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}
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}
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return { listings, symbolmap, segments };
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}
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