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https://github.com/eclipse-cdt/cdt
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Support PE file inspection within static libraries
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parent
36110e1251
commit
dde763ac0c
2 changed files with 17 additions and 10 deletions
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@ -1,5 +1,5 @@
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/*******************************************************************************
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* Copyright (c) 2000, 2019 Space Codesign Systems and others.
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* Copyright (c) 2000, 2023 Space Codesign Systems and others.
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*
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* This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License 2.0
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@ -11,6 +11,7 @@
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* Contributors:
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* Space Codesign Systems - Initial API and implementation
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* QNX Software Systems - Initial PE class
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.* John Dallaway - Support offset into archive file (#630)
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*******************************************************************************/
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package org.eclipse.cdt.utils.coff;
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@ -83,6 +84,7 @@ public class PE64 implements AutoCloseable {
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SectionHeader[] scnhdrs;
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Symbol[] symbolTable;
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byte[] stringTable;
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private final long peOffset; // the offset of this PE within the file (eg archive file)
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public static class Attribute {
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public static final int PE_TYPE_EXE = 1;
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@ -456,6 +458,7 @@ public class PE64 implements AutoCloseable {
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}
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public PE64(String filename, long pos, boolean filter) throws IOException {
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peOffset = pos;
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try {
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rfile = new RandomAccessFile(filename, "r"); //$NON-NLS-1$
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this.filename = filename;
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@ -466,7 +469,7 @@ public class PE64 implements AutoCloseable {
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exeHeader = new ExeHeader(rfile);
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dosHeader = new DOSHeader(rfile);
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// Jump the Coff header, and Check the sig.
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rfile.seek(dosHeader.e_lfanew);
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rfile.seek(dosHeader.e_lfanew + peOffset);
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byte[] sig = new byte[4];
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rfile.readFully(sig);
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if (!((sig[0] == 'P') && (sig[1] == 'E') && (sig[2] == '\0') && (sig[3] == '\0'))) {
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@ -735,7 +738,7 @@ public class PE64 implements AutoCloseable {
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ntHeaderSize = NTOptionalHeader32.NTHDRSZ;
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offset += FileHeader.FILHSZ + getOptionalHeader().getSize() + ntHeaderSize;
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accessFile.seek(offset);
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accessFile.seek(offset + peOffset);
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dataDirectories = new ImageDataDirectory[PEConstants.IMAGE_NUMBEROF_DIRECTORY_ENTRIES];
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byte[] data = new byte[dataDirectories.length * (4 + 4)];
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accessFile.readFully(data);
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@ -759,7 +762,7 @@ public class PE64 implements AutoCloseable {
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}
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offset += FileHeader.FILHSZ + fileHeader.f_opthdr;
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for (int i = 0; i < scnhdrs.length; i++, offset += SectionHeader.SCNHSZ) {
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scnhdrs[i] = new SectionHeader(accessFile, offset);
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scnhdrs[i] = new SectionHeader(accessFile, offset + peOffset);
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}
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}
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return scnhdrs;
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@ -775,7 +778,8 @@ public class PE64 implements AutoCloseable {
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long offset = fileHeader.f_symptr;
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symbolTable = new Symbol[fileHeader.f_nsyms];
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for (int i = 0; i < symbolTable.length; i++, offset += Symbol.SYMSZ) {
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Symbol newSym = new Symbol(accessFile, offset, (fileHeader.f_flags & FileHeader.F_AR32WR) == 0);
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Symbol newSym = new Symbol(accessFile, offset + peOffset,
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(fileHeader.f_flags & FileHeader.F_AR32WR) == 0);
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// Now convert section offset of the symbol to image offset.
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if (newSym.n_scnum >= 1 && newSym.n_scnum <= secHeaders.length) // valid section #
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@ -799,14 +803,14 @@ public class PE64 implements AutoCloseable {
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RandomAccessFile accessFile = getRandomAccessFile();
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long symbolsize = Symbol.SYMSZ * fileHeader.f_nsyms;
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long offset = fileHeader.f_symptr + symbolsize;
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accessFile.seek(offset);
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accessFile.seek(offset + peOffset);
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byte[] bytes = new byte[4];
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accessFile.readFully(bytes);
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int str_len = ReadMemoryAccess.getIntLE(bytes);
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if (str_len > 4 && str_len < accessFile.length()) {
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str_len -= 4;
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stringTable = new byte[str_len];
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accessFile.seek(offset + 4);
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accessFile.seek(offset + 4 + peOffset);
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accessFile.readFully(stringTable);
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} else {
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stringTable = new byte[0];
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@ -932,12 +936,13 @@ public class PE64 implements AutoCloseable {
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// loop through the debug directories looking for CodeView (type 2)
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for (int j = 0; j < debugFormats; j++) {
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PE64.IMAGE_DEBUG_DIRECTORY dir = new PE64.IMAGE_DEBUG_DIRECTORY(accessFile, fileOffset);
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PE64.IMAGE_DEBUG_DIRECTORY dir = new PE64.IMAGE_DEBUG_DIRECTORY(accessFile,
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fileOffset + peOffset);
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if ((2 == dir.Type) && (dir.SizeOfData > 0)) {
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// CodeView found, seek to actual data
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int debugBase = dir.PointerToRawData;
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accessFile.seek(debugBase);
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accessFile.seek(debugBase + peOffset);
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// sanity check. the first four bytes of the CodeView
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// data should be "NB11"
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@ -1,5 +1,5 @@
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/*******************************************************************************
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* Copyright (c) 2000, 2019 Space Codesign Systems and others.
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* Copyright (c) 2000, 2023 Space Codesign Systems and others.
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*
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* This program and the accompanying materials
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* are made available under the terms of the Eclipse Public License 2.0
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@ -11,6 +11,7 @@
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* Contributors:
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* Space Codesign Systems - Initial API and implementation
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* QNX Software Systems - Initial PEBinaryObject class
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* John Dallaway - Fix archive header processing (#630)
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*******************************************************************************/
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package org.eclipse.cdt.utils.coff.parser;
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@ -47,6 +48,7 @@ public class PEBinaryObject64 extends BinaryObjectAdapter {
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public PEBinaryObject64(IBinaryParser parser, IPath path, AR.ARHeader header) {
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super(parser, path, IBinaryFile.OBJECT);
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this.header = header;
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}
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public PEBinaryObject64(IBinaryParser parser, IPath p, int type) {
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