src/jdk.aot/share/classes/jdk.tools.jaotc.binformat/src/jdk/tools/jaotc/binformat/macho/JMachORelocObject.java
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hotspot Cdiff src/jdk.aot/share/classes/jdk.tools.jaotc.binformat/src/jdk/tools/jaotc/binformat/macho/JMachORelocObject.java
src/jdk.aot/share/classes/jdk.tools.jaotc.binformat/src/jdk/tools/jaotc/binformat/macho/JMachORelocObject.java
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*** 51,65 ****
import jdk.tools.jaotc.binformat.CodeContainer;
import jdk.tools.jaotc.binformat.ReadOnlyDataContainer;
import jdk.tools.jaotc.binformat.Relocation;
import jdk.tools.jaotc.binformat.Relocation.RelocType;
import jdk.tools.jaotc.binformat.Symbol;
- import jdk.tools.jaotc.binformat.NativeSymbol;
- import jdk.tools.jaotc.binformat.Symbol.Binding;
import jdk.tools.jaotc.binformat.Symbol.Kind;
- import jdk.tools.jaotc.binformat.macho.MachO;
import jdk.tools.jaotc.binformat.macho.MachO.section_64;
import jdk.tools.jaotc.binformat.macho.MachO.mach_header_64;
import jdk.tools.jaotc.binformat.macho.MachO.segment_command_64;
import jdk.tools.jaotc.binformat.macho.MachO.version_min_command;
import jdk.tools.jaotc.binformat.macho.MachO.symtab_command;
--- 51,62 ----
*** 83,93 ****
this.binContainer = binContainer;
this.machoContainer = new MachOContainer(outputFileName);
this.segmentSize = binContainer.getCodeSegmentSize();
}
! private void createByteSection(ArrayList<MachOSection>sections,
ByteContainer c, String sectName, String segName, int scnFlags) {
if (c.getByteArray().length == 0) {
// System.out.println("Skipping creation of " + sectName + " section, no data\n");
}
--- 80,90 ----
this.binContainer = binContainer;
this.machoContainer = new MachOContainer(outputFileName);
this.segmentSize = binContainer.getCodeSegmentSize();
}
! private void createByteSection(ArrayList<MachOSection> sections,
ByteContainer c, String sectName, String segName, int scnFlags) {
if (c.getByteArray().length == 0) {
// System.out.println("Skipping creation of " + sectName + " section, no data\n");
}
*** 100,127 ****
segmentSize);
// Add this section to our list
sections.add(sect);
// Record the section Id (0 relative)
! c.setSectionId(sections.size()-1);
// TODO: Clear out code section data to allow for GC
// c.clear();
}
! private void createCodeSection(ArrayList<MachOSection>sections, CodeContainer c) {
! createByteSection(sections, c, /*c.getContainerName()*/ "__text", "__TEXT",
! section_64.S_ATTR_PURE_INSTRUCTIONS|
section_64.S_ATTR_SOME_INSTRUCTIONS);
}
! private void createReadOnlySection(ArrayList<MachOSection>sections, ReadOnlyDataContainer c) {
createByteSection(sections, c, c.getContainerName(), "__TEXT",
section_64.S_ATTR_SOME_INSTRUCTIONS);
}
! private void createReadWriteSection(ArrayList<MachOSection>sections, ByteContainer c) {
createByteSection(sections, c, c.getContainerName(), "__DATA", section_64.S_REGULAR);
}
/**
* Create an MachO relocatable object
--- 97,124 ----
segmentSize);
// Add this section to our list
sections.add(sect);
// Record the section Id (0 relative)
! c.setSectionId(sections.size() - 1);
// TODO: Clear out code section data to allow for GC
// c.clear();
}
! private void createCodeSection(ArrayList<MachOSection> sections, CodeContainer c) {
! createByteSection(sections, c, /* c.getContainerName() */ "__text", "__TEXT",
! section_64.S_ATTR_PURE_INSTRUCTIONS |
section_64.S_ATTR_SOME_INSTRUCTIONS);
}
! private void createReadOnlySection(ArrayList<MachOSection> sections, ReadOnlyDataContainer c) {
createByteSection(sections, c, c.getContainerName(), "__TEXT",
section_64.S_ATTR_SOME_INSTRUCTIONS);
}
! private void createReadWriteSection(ArrayList<MachOSection> sections, ByteContainer c) {
createByteSection(sections, c, c.getContainerName(), "__DATA", section_64.S_REGULAR);
}
/**
* Create an MachO relocatable object
*** 138,171 ****
// LC_SYMTAB
// LC_DYSYMTAB
MachOHeader mh = new MachOHeader();
! ArrayList<MachOSection> sections = new ArrayList<MachOSection>();
// Create Sections contained in the main Segment LC_SEGMENT_64
createCodeSection(sections, binContainer.getCodeContainer());
createReadOnlySection(sections, binContainer.getMetaspaceNamesContainer());
createReadOnlySection(sections, binContainer.getKlassesOffsetsContainer());
createReadOnlySection(sections, binContainer.getMethodsOffsetsContainer());
createReadOnlySection(sections, binContainer.getKlassesDependenciesContainer());
! createReadWriteSection(sections, binContainer.getMetaspaceGotContainer());
! createReadWriteSection(sections, binContainer.getMetadataGotContainer());
! createReadWriteSection(sections, binContainer.getMethodStateContainer());
! createReadWriteSection(sections, binContainer.getOopGotContainer());
! createReadWriteSection(sections, binContainer.getMethodMetadataContainer());
createReadOnlySection(sections, binContainer.getStubsOffsetsContainer());
createReadOnlySection(sections, binContainer.getHeaderContainer().getContainer());
createReadOnlySection(sections, binContainer.getCodeSegmentsContainer());
createReadOnlySection(sections, binContainer.getConstantDataContainer());
createReadOnlySection(sections, binContainer.getConfigContainer());
!
! // createExternalLinkage();
!
! createCodeSection(sections, binContainer.getExtLinkageContainer());
createReadWriteSection(sections, binContainer.getExtLinkageGOTContainer());
// Update the Header sizeofcmds size.
// This doesn't include the Header struct size
mh.setCmdSizes(4, segment_command_64.totalsize +
(section_64.totalsize * sections.size()) +
version_min_command.totalsize +
--- 135,166 ----
// LC_SYMTAB
// LC_DYSYMTAB
MachOHeader mh = new MachOHeader();
! ArrayList<MachOSection> sections = new ArrayList<>();
// Create Sections contained in the main Segment LC_SEGMENT_64
createCodeSection(sections, binContainer.getCodeContainer());
createReadOnlySection(sections, binContainer.getMetaspaceNamesContainer());
createReadOnlySection(sections, binContainer.getKlassesOffsetsContainer());
createReadOnlySection(sections, binContainer.getMethodsOffsetsContainer());
createReadOnlySection(sections, binContainer.getKlassesDependenciesContainer());
! createReadOnlySection(sections, binContainer.getMethodMetadataContainer());
createReadOnlySection(sections, binContainer.getStubsOffsetsContainer());
createReadOnlySection(sections, binContainer.getHeaderContainer().getContainer());
createReadOnlySection(sections, binContainer.getCodeSegmentsContainer());
createReadOnlySection(sections, binContainer.getConstantDataContainer());
createReadOnlySection(sections, binContainer.getConfigContainer());
! createReadWriteSection(sections, binContainer.getKlassesGotContainer());
! createReadWriteSection(sections, binContainer.getCountersGotContainer());
! createReadWriteSection(sections, binContainer.getMetadataGotContainer());
! createReadWriteSection(sections, binContainer.getMethodStateContainer());
! createReadWriteSection(sections, binContainer.getOopGotContainer());
createReadWriteSection(sections, binContainer.getExtLinkageGOTContainer());
+
// Update the Header sizeofcmds size.
// This doesn't include the Header struct size
mh.setCmdSizes(4, segment_command_64.totalsize +
(section_64.totalsize * sections.size()) +
version_min_command.totalsize +
*** 173,190 ****
dysymtab_command.totalsize);
// Initialize file offset for data past commands
int file_offset = mach_header_64.totalsize + mh.getCmdSize();
// and round it up
! file_offset = (file_offset + (sections.get(0).getAlign()-1)) & ~((sections.get(0).getAlign()-1));
long address = 0;
int segment_offset = file_offset;
for (int i = 0; i < sections.size(); i++) {
MachOSection sect = sections.get(i);
! file_offset = (file_offset + (sect.getAlign()-1)) & ~((sect.getAlign()-1));
! address = (address + (sect.getAlign()-1)) & ~((sect.getAlign()-1));
sect.setOffset(file_offset);
sect.setAddr(address);
file_offset += sect.getSize();
address += sect.getSize();
}
--- 168,185 ----
dysymtab_command.totalsize);
// Initialize file offset for data past commands
int file_offset = mach_header_64.totalsize + mh.getCmdSize();
// and round it up
! file_offset = (file_offset + (sections.get(0).getAlign() - 1)) & ~((sections.get(0).getAlign() - 1));
long address = 0;
int segment_offset = file_offset;
for (int i = 0; i < sections.size(); i++) {
MachOSection sect = sections.get(i);
! file_offset = (file_offset + (sect.getAlign() - 1)) & ~((sect.getAlign() - 1));
! address = (address + (sect.getAlign() - 1)) & ~((sect.getAlign() - 1));
sect.setOffset(file_offset);
sect.setAddr(address);
file_offset += sect.getSize();
address += sect.getSize();
}
*** 197,207 ****
(section_64.totalsize * sections.size()),
segment_offset,
segment_size,
sections.size());
-
MachOVersion vers = new MachOVersion();
// Get symbol data from BinaryContainer object's symbol tables
MachOSymtab symtab = createMachOSymbolTables(sections, symbols);
--- 192,201 ----
*** 211,221 ****
symtab.getNumUndefSyms());
// Create the Relocation Tables
MachORelocTable machORelocs = createMachORelocTable(sections, relocationTable, symtab);
// Calculate file offset for relocation data
! file_offset = (file_offset + (machORelocs.getAlign()-1)) & ~((machORelocs.getAlign()-1));
// Update relocation sizing information in each section
for (int i = 0; i < sections.size(); i++) {
MachOSection sect = sections.get(i);
if (sect.hasRelocations()) {
--- 205,215 ----
symtab.getNumUndefSyms());
// Create the Relocation Tables
MachORelocTable machORelocs = createMachORelocTable(sections, relocationTable, symtab);
// Calculate file offset for relocation data
! file_offset = (file_offset + (MachORelocTable.getAlign() - 1)) & ~((MachORelocTable.getAlign() - 1));
// Update relocation sizing information in each section
for (int i = 0; i < sections.size(); i++) {
MachOSection sect = sections.get(i);
if (sect.hasRelocations()) {
*** 225,238 ****
file_offset += (nreloc * reloc_info.totalsize);
}
}
// Calculate and set file offset for symbol table data
! file_offset = (file_offset + (symtab.getAlign()-1)) & ~((symtab.getAlign()-1));
symtab.setOffset(file_offset);
-
// Write Out Header
machoContainer.writeBytes(mh.getArray());
// Write out first Segment
machoContainer.writeBytes(seg.getArray());
// Write out sections within first Segment
--- 219,231 ----
file_offset += (nreloc * reloc_info.totalsize);
}
}
// Calculate and set file offset for symbol table data
! file_offset = (file_offset + (MachOSymtab.getAlign() - 1)) & ~((MachOSymtab.getAlign() - 1));
symtab.setOffset(file_offset);
// Write Out Header
machoContainer.writeBytes(mh.getArray());
// Write out first Segment
machoContainer.writeBytes(seg.getArray());
// Write out sections within first Segment
*** 257,301 ****
machoContainer.writeBytes(sect.getDataArray(), sect.getAlign());
}
// Write out the relocation tables for all sections
for (int i = 0; i < sections.size(); i++) {
! if (machORelocs.getNumRelocs(i) > 0)
! machoContainer.writeBytes(machORelocs.getRelocData(i), machORelocs.getAlign());
}
// Write out data associated with LC_SYMTAB
! machoContainer.writeBytes(symtab.getDataArray(), symtab.getAlign());
machoContainer.close();
}
/**
* Construct MachO symbol data from BinaryContainer object's symbol tables. Both dynamic MachO
* symbol table and MachO symbol table are created from BinaryContainer's symbol info.
*
* @param symbols
- * @param symtab
*/
! private MachOSymtab createMachOSymbolTables(ArrayList<MachOSection>sections,
Collection<Symbol> symbols) {
MachOSymtab symtab = new MachOSymtab();
// First, create the initial null symbol. This is a local symbol.
! symtab.addSymbolEntry("", (byte)nlist_64.N_UNDF, (byte)0, (long)0);
// Now create MachO symbol entries for all symbols.
for (Symbol symbol : symbols) {
int sectionId = symbol.getSection().getSectionId();
// Symbol offsets are relative to the section memory addr
long sectionAddr = sections.get(sectionId).getAddr();
MachOSymbol machoSymbol = symtab.addSymbolEntry(symbol.getName(),
getMachOTypeOf(symbol),
! (byte)sectionId,
symbol.getOffset() + sectionAddr);
! symbol.setNativeSymbol((NativeSymbol)machoSymbol);
}
// Now that all symbols are enterred, update the
// symbol indexes. This is necessary since they will
// be reordered based on local, global and undefined.
--- 250,295 ----
machoContainer.writeBytes(sect.getDataArray(), sect.getAlign());
}
// Write out the relocation tables for all sections
for (int i = 0; i < sections.size(); i++) {
! if (machORelocs.getNumRelocs(i) > 0) {
! machoContainer.writeBytes(machORelocs.getRelocData(i), MachORelocTable.getAlign());
! }
}
// Write out data associated with LC_SYMTAB
! machoContainer.writeBytes(symtab.getDataArray(), MachOSymtab.getAlign());
machoContainer.close();
}
/**
* Construct MachO symbol data from BinaryContainer object's symbol tables. Both dynamic MachO
* symbol table and MachO symbol table are created from BinaryContainer's symbol info.
*
+ * @param sections
* @param symbols
*/
! private static MachOSymtab createMachOSymbolTables(ArrayList<MachOSection> sections,
Collection<Symbol> symbols) {
MachOSymtab symtab = new MachOSymtab();
// First, create the initial null symbol. This is a local symbol.
! symtab.addSymbolEntry("", (byte) nlist_64.N_UNDF, (byte) 0, 0);
// Now create MachO symbol entries for all symbols.
for (Symbol symbol : symbols) {
int sectionId = symbol.getSection().getSectionId();
// Symbol offsets are relative to the section memory addr
long sectionAddr = sections.get(sectionId).getAddr();
MachOSymbol machoSymbol = symtab.addSymbolEntry(symbol.getName(),
getMachOTypeOf(symbol),
! (byte) sectionId,
symbol.getOffset() + sectionAddr);
! symbol.setNativeSymbol(machoSymbol);
}
// Now that all symbols are enterred, update the
// symbol indexes. This is necessary since they will
// be reordered based on local, global and undefined.
*** 307,319 ****
private static byte getMachOTypeOf(Symbol sym) {
Kind kind = sym.getKind();
byte type = nlist_64.N_UNDF;
// Global or Local
! if (sym.getBinding() == Symbol.Binding.GLOBAL)
type = nlist_64.N_EXT;
!
// If Function or Data, add section type
if (kind == Symbol.Kind.NATIVE_FUNCTION ||
kind == Symbol.Kind.JAVA_FUNCTION ||
kind == Symbol.Kind.OBJECT) {
type |= (nlist_64.N_SECT);
--- 301,313 ----
private static byte getMachOTypeOf(Symbol sym) {
Kind kind = sym.getKind();
byte type = nlist_64.N_UNDF;
// Global or Local
! if (sym.getBinding() == Symbol.Binding.GLOBAL) {
type = nlist_64.N_EXT;
! }
// If Function or Data, add section type
if (kind == Symbol.Kind.NATIVE_FUNCTION ||
kind == Symbol.Kind.JAVA_FUNCTION ||
kind == Symbol.Kind.OBJECT) {
type |= (nlist_64.N_SECT);
*** 333,344 ****
Map<Symbol, List<Relocation>> relocationTable,
MachOSymtab symtab) {
MachORelocTable machORelocTable = new MachORelocTable(sections.size());
/*
! * For each of the symbols with associated relocation records, create a MachO relocation
! * entry.
*/
for (Map.Entry<Symbol, List<Relocation>> entry : relocationTable.entrySet()) {
List<Relocation> relocs = entry.getValue();
Symbol symbol = entry.getKey();
--- 327,337 ----
Map<Symbol, List<Relocation>> relocationTable,
MachOSymtab symtab) {
MachORelocTable machORelocTable = new MachORelocTable(sections.size());
/*
! * For each of the symbols with associated relocation records, create a MachO relocation entry.
*/
for (Map.Entry<Symbol, List<Relocation>> entry : relocationTable.entrySet()) {
List<Relocation> relocs = entry.getValue();
Symbol symbol = entry.getKey();
*** 352,440 ****
}
return (machORelocTable);
}
! private void createRelocation(Symbol symbol, Relocation reloc, MachORelocTable machORelocTable) {
RelocType relocType = reloc.getType();
int machORelocType = getMachORelocationType(relocType);
! MachOSymbol sym = (MachOSymbol)symbol.getNativeSymbol();
int symno = sym.getIndex();
int sectindex = reloc.getSection().getSectionId();
int offset = reloc.getOffset();
int pcrel = 0;
int length = 0;
int isextern = 1;
- /*
- System.out.println("reloctype: " + relocType + " size is " +
- reloc.getSize() + " offset is " + offset +
- " Section Index is " + (sectindex) +
- " Symbol Index is " + symno +
- " Symbol Name is " + symbol.getName() + "\n");
- */
-
switch (relocType) {
- case FOREIGN_CALL_DIRECT:
case JAVA_CALL_DIRECT:
case STUB_CALL_DIRECT:
case FOREIGN_CALL_INDIRECT_GOT: {
// Create relocation entry
- // System.out.println("getMachORelocationType: PLT relocation type using X86_64_RELOC_BRANCH");
int addend = -4; // Size in bytes of the patch location
// Relocation should be applied at the location after call operand
offset = offset + reloc.getSize() + addend;
! pcrel = 1; length = 2;
! break;
! }
! case FOREIGN_CALL_DIRECT_FAR: {
! // Create relocation entry
! int addend = -8; // Size in bytes of the patch location
! // Relocation should be applied at the location after call operand
! // 10 = 2 (jmp [r]) + 8 (imm64)
! offset = offset + reloc.getSize() + addend - 2;
! pcrel = 0; length = 3;
break;
}
! case FOREIGN_CALL_INDIRECT:
! case JAVA_CALL_INDIRECT:
! case STUB_CALL_INDIRECT: {
// Do nothing.
return;
}
- case EXTERNAL_DATA_REFERENCE_FAR: {
- // Create relocation entry
- int addend = -4; // Size of 32-bit address of the GOT
- /*
- * Relocation should be applied before the test instruction to the move instruction.
- * offset points to the test instruction after the instruction that loads
- * the address of polling page. So set the offset appropriately.
- */
- offset = offset + addend;
- pcrel = 0; length = 2;
- break;
- }
case METASPACE_GOT_REFERENCE:
! case EXTERNAL_PLT_TO_GOT:
! case STATIC_STUB_TO_STATIC_METHOD:
! case STATIC_STUB_TO_HOTSPOT_LINKAGE_GOT: {
int addend = -4; // Size of 32-bit address of the GOT
/*
! * Relocation should be applied before the test instruction to
! * the move instruction. reloc.getOffset() points to the
! * test instruction after the instruction that loads the
! * address of polling page. So set the offset appropriately.
*/
offset = offset + addend;
! pcrel = 1; length = 2;
break;
}
! case EXTERNAL_GOT_TO_PLT:
! case LOADTIME_ADDRESS: {
// this is load time relocations
! pcrel = 0; length = 3;
break;
}
default:
throw new InternalError("Unhandled relocation type: " + relocType);
}
--- 345,399 ----
}
return (machORelocTable);
}
! private static void createRelocation(Symbol symbol, Relocation reloc, MachORelocTable machORelocTable) {
RelocType relocType = reloc.getType();
int machORelocType = getMachORelocationType(relocType);
! MachOSymbol sym = (MachOSymbol) symbol.getNativeSymbol();
int symno = sym.getIndex();
int sectindex = reloc.getSection().getSectionId();
int offset = reloc.getOffset();
int pcrel = 0;
int length = 0;
int isextern = 1;
switch (relocType) {
case JAVA_CALL_DIRECT:
case STUB_CALL_DIRECT:
case FOREIGN_CALL_INDIRECT_GOT: {
// Create relocation entry
int addend = -4; // Size in bytes of the patch location
// Relocation should be applied at the location after call operand
offset = offset + reloc.getSize() + addend;
! pcrel = 1;
! length = 2;
break;
}
! case JAVA_CALL_INDIRECT: {
// Do nothing.
return;
}
case METASPACE_GOT_REFERENCE:
! case EXTERNAL_PLT_TO_GOT: {
int addend = -4; // Size of 32-bit address of the GOT
/*
! * Relocation should be applied before the test instruction to the move instruction.
! * reloc.getOffset() points to the test instruction after the instruction that loads the address of
! * polling page. So set the offset appropriately.
*/
offset = offset + addend;
! pcrel = 1;
! length = 2;
break;
}
! case EXTERNAL_GOT_TO_PLT: {
// this is load time relocations
! pcrel = 0;
! length = 3;
break;
}
default:
throw new InternalError("Unhandled relocation type: " + relocType);
}
*** 446,469 ****
private static int getMachORelocationType(RelocType relocType) {
int machORelocType = 0;
switch (MachOTargetInfo.getMachOArch()) {
case mach_header_64.CPU_TYPE_X86_64:
// Return X86_64_RELOC_* entries based on relocType
! if (relocType == RelocType.FOREIGN_CALL_DIRECT || relocType == RelocType.JAVA_CALL_DIRECT || relocType == RelocType.FOREIGN_CALL_INDIRECT_GOT) {
machORelocType = reloc_info.X86_64_RELOC_BRANCH;
} else if (relocType == RelocType.STUB_CALL_DIRECT) {
machORelocType = reloc_info.X86_64_RELOC_BRANCH;
! } else if (relocType == RelocType.FOREIGN_CALL_DIRECT_FAR) {
! machORelocType = reloc_info.X86_64_RELOC_UNSIGNED;
! } else if (relocType == RelocType.FOREIGN_CALL_INDIRECT || relocType == RelocType.JAVA_CALL_INDIRECT || relocType == RelocType.STUB_CALL_INDIRECT) {
machORelocType = reloc_info.X86_64_RELOC_NONE;
! } else if ((relocType == RelocType.EXTERNAL_DATA_REFERENCE_FAR)) {
! machORelocType = reloc_info.X86_64_RELOC_GOT;
! } else if (relocType == RelocType.METASPACE_GOT_REFERENCE || relocType == RelocType.EXTERNAL_PLT_TO_GOT || relocType == RelocType.STATIC_STUB_TO_STATIC_METHOD ||
! relocType == RelocType.STATIC_STUB_TO_HOTSPOT_LINKAGE_GOT) {
machORelocType = reloc_info.X86_64_RELOC_BRANCH;
! } else if (relocType == RelocType.EXTERNAL_GOT_TO_PLT || relocType == RelocType.LOADTIME_ADDRESS) {
machORelocType = reloc_info.X86_64_RELOC_UNSIGNED;
} else {
assert false : "Unhandled relocation type: " + relocType;
}
break;
--- 405,425 ----
private static int getMachORelocationType(RelocType relocType) {
int machORelocType = 0;
switch (MachOTargetInfo.getMachOArch()) {
case mach_header_64.CPU_TYPE_X86_64:
// Return X86_64_RELOC_* entries based on relocType
! if (relocType == RelocType.JAVA_CALL_DIRECT ||
! relocType == RelocType.FOREIGN_CALL_INDIRECT_GOT) {
machORelocType = reloc_info.X86_64_RELOC_BRANCH;
} else if (relocType == RelocType.STUB_CALL_DIRECT) {
machORelocType = reloc_info.X86_64_RELOC_BRANCH;
! } else if (relocType == RelocType.JAVA_CALL_INDIRECT) {
machORelocType = reloc_info.X86_64_RELOC_NONE;
! } else if (relocType == RelocType.METASPACE_GOT_REFERENCE ||
! relocType == RelocType.EXTERNAL_PLT_TO_GOT) {
machORelocType = reloc_info.X86_64_RELOC_BRANCH;
! } else if (relocType == RelocType.EXTERNAL_GOT_TO_PLT) {
machORelocType = reloc_info.X86_64_RELOC_UNSIGNED;
} else {
assert false : "Unhandled relocation type: " + relocType;
}
break;
src/jdk.aot/share/classes/jdk.tools.jaotc.binformat/src/jdk/tools/jaotc/binformat/macho/JMachORelocObject.java
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