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// Copyright (c) 2017, 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.
'use strict';
const MapFileReader = require('./map-file').MapFileReader;
class MapFileReaderDelphi extends MapFileReader {
/**
* constructor
*
* @param {string} mapFilename
*/
constructor(mapFilename) {
super(mapFilename);
this.regexDelphiCodeSegmentOffset = /^\s([\da-f]*):([\da-f]*)\s*([\da-f]*)h\s*(\.[$a-z]*)\s*([a-z]*)$/i;
this.regexDelphiCodeSegment = /^\s([\da-f]*):([\da-f]*)\s*([\da-f]*)\s*c=code\s*s=.text\s*g=.*m=([\w.]*)\s.*/i;
this.regexDelphiICodeSegment = /^\s([\da-f]*):([\da-f]*)\s*([\da-f]*)\s*c=icode\s*s=.itext\s*g=.*m=([\w.]*)\s.*/i;
this.regexDelphiNames = /^\s([\da-f]*):([\da-f]*)\s*([\w$.<>@{}]*)$/i;
this.regexDelphiLineNumbersStart = /line numbers for (.*)\(.*\) segment \.text/i;
this.regexDelphiLineNumber = /^(\d*)\s([\da-f]*):([\da-f]*)/i;
this.regexDelphiLineNumbersStartIText = /line numbers for (.*)\(.*\) segment \.itext/i;
}
/**
* Tries to match the given line to code segment information
* Matches in order:
* 1. segment offset info
* 2. code segment delphi map
* 3. icode segment delphi map
* 4. code segment vs map
*
* @param {string} line
*/
tryReadingCodeSegmentInfo(line) {
let codesegmentObject = false;
let matches = line.match(this.regexDelphiCodeSegmentOffset);
if (matches && !matches[4].includes('$') && (parseInt(matches[2], 16) >= this.preferredLoadAddress)) {
const addressWithOffset = parseInt(matches[2], 16);
this.segmentOffsets.push({
segment: matches[1],
addressInt: addressWithOffset,
address: addressWithOffset.toString(16),
segmentLength: parseInt(matches[3], 16),
});
} else {
matches = line.match(this.regexDelphiCodeSegment);
if (matches) {
codesegmentObject = this.addressToObject(matches[1], matches[2]);
codesegmentObject.id = this.segments.length + 1;
codesegmentObject.segmentLength = parseInt(matches[3], 16);
codesegmentObject.unitName = matches[4];
this.segments.push(codesegmentObject);
} else {
matches = line.match(this.regexDelphiICodeSegment);
if (matches) {
codesegmentObject = this.addressToObject(matches[1], matches[2]);
codesegmentObject.id = this.isegments.length + 1;
codesegmentObject.segmentLength = parseInt(matches[3], 16);
codesegmentObject.unitName = matches[4];
this.isegments.push(codesegmentObject);
}
}
}
}
/**
* Try to match information about the address where a symbol is
*
* @param {string} line
*/
tryReadingNamedAddress(line) {
let symbolObject = false;
const matches = line.match(this.regexDelphiNames);
if (matches) {
if (!this.getSymbolInfoByName(matches[3])) {
symbolObject = this.addressToObject(matches[1], matches[2]);
symbolObject.displayName = matches[3];
this.namedAddresses.push(symbolObject);
}
}
}
/**
*
* @param {string} line
*/
isStartOfLineNumbers(line) {
const matches = line.match(this.regexDelphiLineNumbersStart);
return !!matches;
}
/**
* Retreives line number references from supplied Map line
*
* @param {string} line
* @returns {boolean}
*/
tryReadingLineNumbers(line) {
let hasLineNumbers = false;
const references = line.split(' '); // 4 spaces
for (const reference of references) {
const matches = reference.match(this.regexDelphiLineNumber);
if (matches) {
const lineObject = this.addressToObject(matches[2], matches[3]);
lineObject.lineNumber = parseInt(matches[1], 10);
this.lineNumbers.push(lineObject);
hasLineNumbers = true;
}
}
return hasLineNumbers;
}
}
exports.MapFileReader = MapFileReaderDelphi;