1 /*
2 * Copyright (c) 2016, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
509 Symbol gotSymbol = extLinkageGOTContainer.createGotSymbol(s);
510 extLinkageGOTContainer.createSymbol(gotSymbol.getOffset(), Kind.OBJECT, Binding.GLOBAL, 8, name);
511 }
512
513 /**
514 * Create a platform-specific binary file representing the content of the
515 * {@code BinaryContainer} object.
516 *
517 * This method is called after creating and performing any necessary changes to the contents of
518 * code stream, symbol tables and relocation tables is completely finalized
519 *
520 * @param outputFileName name of output file
521 *
522 * @throws IOException in case of file creation failure
523 */
524 public void createBinary(String outputFileName) throws IOException {
525 String osName = System.getProperty("os.name");
526 switch (osName) {
527 case "Linux":
528 case "SunOS":
529 JELFRelocObject elfobj = new JELFRelocObject(this, outputFileName);
530 elfobj.createELFRelocObject(relocationTable, symbolTable.values());
531 break;
532 case "Mac OS X":
533 JMachORelocObject machobj = new JMachORelocObject(this, outputFileName);
534 machobj.createMachORelocObject(relocationTable, symbolTable.values());
535 break;
536 default:
537 if (osName.startsWith("Windows")) {
538 JPECoffRelocObject pecoffobj = new JPECoffRelocObject(this, outputFileName);
539 pecoffobj.createPECoffRelocObject(relocationTable, symbolTable.values());
540 break;
541 } else
542 throw new InternalError("Unsupported platform: " + osName);
543 }
544 }
545
546 /**
547 * Add symbol to the symbol table. If the existing symbol is undefined and the specified symbol
548 * is not undefined, replace the existing symbol information with that specified.
549 *
557 throw new InternalError("Symbol: " + symInfo.getName() + " already exists in SymbolTable");
558 } else {
559 // System.out.println("# Symbol [" + name + "] [" + symInfo.getValue() + "] [" +
560 // symInfo.getSection().getContainerName() + "] [" + symInfo.getSize() + "]");
561 symbolTable.put(symInfo.getName(), symInfo);
562 }
563 }
564
565 public boolean addStringOffset(String name, Integer offset) {
566 offsetStringTable.put(name, offset);
567 return true;
568 }
569
570 /**
571 * Add relocation entry for {@code symName}. Multiple relocation entries for a given symbol may
572 * exist.
573 *
574 * @param info relocation information to be added
575 */
576 public void addRelocation(Relocation info) {
577 // System.out.println("# Relocation [" + symName + "] [" + info.getOffset() + "] [" +
578 // info.getSection().getContainerName() + "] [" + info.getSymbol().getName() + "] [" +
579 // info.getSymbol().getOffset() + " @ " + info.getSymbol().getSection().getContainerName() +
580 // "]");
581 if (relocationTable.containsKey(info.getSymbol())) {
582 relocationTable.get(info.getSymbol()).add(info);
583 } else if (uniqueRelocationTable.containsKey(info.getSymbol())) {
584 // promote
585 ArrayList<Relocation> list = new ArrayList<>(2);
586 list.add(uniqueRelocationTable.get(info.getSymbol()));
587 list.add(info);
588 relocationTable.put(info.getSymbol(), list);
589 uniqueRelocationTable.remove(info.getSymbol());
590 } else {
591 uniqueRelocationTable.put(info.getSymbol(), info);
592 }
593 }
594
595 /**
596 * Get symbol with name {@code symName}.
597 *
|
1 /*
2 * Copyright (c) 2016, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 */
509 Symbol gotSymbol = extLinkageGOTContainer.createGotSymbol(s);
510 extLinkageGOTContainer.createSymbol(gotSymbol.getOffset(), Kind.OBJECT, Binding.GLOBAL, 8, name);
511 }
512
513 /**
514 * Create a platform-specific binary file representing the content of the
515 * {@code BinaryContainer} object.
516 *
517 * This method is called after creating and performing any necessary changes to the contents of
518 * code stream, symbol tables and relocation tables is completely finalized
519 *
520 * @param outputFileName name of output file
521 *
522 * @throws IOException in case of file creation failure
523 */
524 public void createBinary(String outputFileName) throws IOException {
525 String osName = System.getProperty("os.name");
526 switch (osName) {
527 case "Linux":
528 case "SunOS":
529 JELFRelocObject elfobj = JELFRelocObject.newInstance(this, outputFileName);
530 elfobj.createELFRelocObject(relocationTable, symbolTable.values());
531 break;
532 case "Mac OS X":
533 JMachORelocObject machobj = new JMachORelocObject(this, outputFileName);
534 machobj.createMachORelocObject(relocationTable, symbolTable.values());
535 break;
536 default:
537 if (osName.startsWith("Windows")) {
538 JPECoffRelocObject pecoffobj = new JPECoffRelocObject(this, outputFileName);
539 pecoffobj.createPECoffRelocObject(relocationTable, symbolTable.values());
540 break;
541 } else
542 throw new InternalError("Unsupported platform: " + osName);
543 }
544 }
545
546 /**
547 * Add symbol to the symbol table. If the existing symbol is undefined and the specified symbol
548 * is not undefined, replace the existing symbol information with that specified.
549 *
557 throw new InternalError("Symbol: " + symInfo.getName() + " already exists in SymbolTable");
558 } else {
559 // System.out.println("# Symbol [" + name + "] [" + symInfo.getValue() + "] [" +
560 // symInfo.getSection().getContainerName() + "] [" + symInfo.getSize() + "]");
561 symbolTable.put(symInfo.getName(), symInfo);
562 }
563 }
564
565 public boolean addStringOffset(String name, Integer offset) {
566 offsetStringTable.put(name, offset);
567 return true;
568 }
569
570 /**
571 * Add relocation entry for {@code symName}. Multiple relocation entries for a given symbol may
572 * exist.
573 *
574 * @param info relocation information to be added
575 */
576 public void addRelocation(Relocation info) {
577 // System.out.println("# Relocation [" + info.getSymbol() + "] [" + info.getOffset() + "] [" +
578 // info.getSection().getContainerName() + "] [" + info.getSymbol().getName() + "] [" +
579 // info.getSymbol().getOffset() + " @ " + info.getSymbol().getSection().getContainerName() +
580 // "]");
581 if (relocationTable.containsKey(info.getSymbol())) {
582 relocationTable.get(info.getSymbol()).add(info);
583 } else if (uniqueRelocationTable.containsKey(info.getSymbol())) {
584 // promote
585 ArrayList<Relocation> list = new ArrayList<>(2);
586 list.add(uniqueRelocationTable.get(info.getSymbol()));
587 list.add(info);
588 relocationTable.put(info.getSymbol(), list);
589 uniqueRelocationTable.remove(info.getSymbol());
590 } else {
591 uniqueRelocationTable.put(info.getSymbol(), info);
592 }
593 }
594
595 /**
596 * Get symbol with name {@code symName}.
597 *
|