[llvm] r233840 - Add the option -objc-meta-data to llvm-objdump used with -macho to
Kevin Enderby
enderby at apple.com
Wed Apr 1 13:57:01 PDT 2015
Author: enderby
Date: Wed Apr 1 15:57:01 2015
New Revision: 233840
URL: http://llvm.org/viewvc/llvm-project?rev=233840&view=rev
Log:
Add the option -objc-meta-data to llvm-objdump used with -macho to
print the Objective-C runtime meta data for Mach-O files.
There are three types of Objective-C runtime meta data, Objc2 64-bit,
Objc2 32-bit and Objc1 32-bit. This prints the first of these types. The
changes to print the others will follow next.
Added:
llvm/trunk/test/tools/llvm-objdump/X86/Inputs/Objc2.64bit.exe.macho-x86_64 (with props)
llvm/trunk/test/tools/llvm-objdump/X86/Inputs/Objc2.64bit.obj.macho-x86_64 (with props)
llvm/trunk/test/tools/llvm-objdump/X86/macho-objc-meta-data.test
Modified:
llvm/trunk/tools/llvm-objdump/MachODump.cpp
llvm/trunk/tools/llvm-objdump/llvm-objdump.cpp
llvm/trunk/tools/llvm-objdump/llvm-objdump.h
Added: llvm/trunk/test/tools/llvm-objdump/X86/Inputs/Objc2.64bit.exe.macho-x86_64
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-objdump/X86/Inputs/Objc2.64bit.exe.macho-x86_64?rev=233840&view=auto
==============================================================================
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Propchange: llvm/trunk/test/tools/llvm-objdump/X86/Inputs/Objc2.64bit.exe.macho-x86_64
------------------------------------------------------------------------------
svn:executable = *
Propchange: llvm/trunk/test/tools/llvm-objdump/X86/Inputs/Objc2.64bit.exe.macho-x86_64
------------------------------------------------------------------------------
svn:mime-type = application/octet-stream
Added: llvm/trunk/test/tools/llvm-objdump/X86/Inputs/Objc2.64bit.obj.macho-x86_64
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-objdump/X86/Inputs/Objc2.64bit.obj.macho-x86_64?rev=233840&view=auto
==============================================================================
Binary file - no diff available.
Propchange: llvm/trunk/test/tools/llvm-objdump/X86/Inputs/Objc2.64bit.obj.macho-x86_64
------------------------------------------------------------------------------
svn:mime-type = application/octet-stream
Added: llvm/trunk/test/tools/llvm-objdump/X86/macho-objc-meta-data.test
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/tools/llvm-objdump/X86/macho-objc-meta-data.test?rev=233840&view=auto
==============================================================================
--- llvm/trunk/test/tools/llvm-objdump/X86/macho-objc-meta-data.test (added)
+++ llvm/trunk/test/tools/llvm-objdump/X86/macho-objc-meta-data.test Wed Apr 1 15:57:01 2015
@@ -0,0 +1,206 @@
+# RUN: llvm-objdump -m -objc-meta-data %p/Inputs/Objc2.64bit.exe.macho-x86_64 | FileCheck %s -check-prefix=OBJC2_64BIT_EXE
+# RUN: llvm-objdump -m -objc-meta-data %p/Inputs/Objc2.64bit.obj.macho-x86_64 | FileCheck %s -check-prefix=OBJC2_64BIT_OBJ
+
+OBJC2_64BIT_EXE: Contents of (__DATA,__objc_classlist) section
+OBJC2_64BIT_EXE: 0000000100002028 0x1000029f0
+OBJC2_64BIT_EXE: isa 0x100002a18
+OBJC2_64BIT_EXE: superclass 0x0
+OBJC2_64BIT_EXE: cache 0x0
+OBJC2_64BIT_EXE: vtable 0x0
+OBJC2_64BIT_EXE: data 0x1000020d0 (struct class_ro_t *)
+OBJC2_64BIT_EXE: flags 0x80
+OBJC2_64BIT_EXE: instanceStart 100
+OBJC2_64BIT_EXE: instanceSize 100
+OBJC2_64BIT_EXE: reserved 0x0
+OBJC2_64BIT_EXE: ivarLayout 0x0
+OBJC2_64BIT_EXE: name 0x100001b0e ViewController
+OBJC2_64BIT_EXE: baseMethods 0x100002098 (struct method_list_t *)
+OBJC2_64BIT_EXE: entsize 24
+OBJC2_64BIT_EXE: count 2
+OBJC2_64BIT_EXE: name 0x1000014ee viewDidLoad
+OBJC2_64BIT_EXE: types 0x100001b48 v16 at 0:8
+OBJC2_64BIT_EXE: imp 0x100001350
+OBJC2_64BIT_EXE: name 0x1000014fa setRepresentedObject:
+OBJC2_64BIT_EXE: types 0x100001b50 v24 at 0:8 at 16
+OBJC2_64BIT_EXE: imp 0x100001390
+OBJC2_64BIT_EXE: baseProtocols 0x0
+OBJC2_64BIT_EXE: ivars 0x0
+OBJC2_64BIT_EXE: weakIvarLayout 0x0
+OBJC2_64BIT_EXE: baseProperties 0x0
+OBJC2_64BIT_EXE: Meta Class
+OBJC2_64BIT_EXE: isa 0x0
+OBJC2_64BIT_EXE: superclass 0x0
+OBJC2_64BIT_EXE: cache 0x0
+OBJC2_64BIT_EXE: vtable 0x0
+OBJC2_64BIT_EXE: data 0x100002050 (struct class_ro_t *)
+OBJC2_64BIT_EXE: flags 0x81 RO_META
+OBJC2_64BIT_EXE: instanceStart 40
+OBJC2_64BIT_EXE: instanceSize 40
+OBJC2_64BIT_EXE: reserved 0x0
+OBJC2_64BIT_EXE: ivarLayout 0x0
+OBJC2_64BIT_EXE: name 0x100001b0e ViewController
+OBJC2_64BIT_EXE: baseMethods 0x0 (struct method_list_t *)
+OBJC2_64BIT_EXE: baseProtocols 0x0
+OBJC2_64BIT_EXE: ivars 0x0
+OBJC2_64BIT_EXE: weakIvarLayout 0x0
+OBJC2_64BIT_EXE: baseProperties 0x0
+OBJC2_64BIT_EXE: 0000000100002030 0x100002a68
+OBJC2_64BIT_EXE: isa 0x100002a40
+OBJC2_64BIT_EXE: superclass 0x0
+OBJC2_64BIT_EXE: cache 0x0
+OBJC2_64BIT_EXE: vtable 0x0
+OBJC2_64BIT_EXE: data 0x100002990 (struct class_ro_t *)
+OBJC2_64BIT_EXE: flags 0x80
+OBJC2_64BIT_EXE: instanceStart 8
+OBJC2_64BIT_EXE: instanceSize 8
+OBJC2_64BIT_EXE: reserved 0x0
+OBJC2_64BIT_EXE: ivarLayout 0x0
+OBJC2_64BIT_EXE: name 0x100001b1d AppDelegate
+OBJC2_64BIT_EXE: baseMethods 0x100002910 (struct method_list_t *)
+OBJC2_64BIT_EXE: entsize 24
+OBJC2_64BIT_EXE: count 2
+OBJC2_64BIT_EXE: name 0x100001885 applicationDidFinishLaunching:
+OBJC2_64BIT_EXE: types 0x100001b50 v24 at 0:8 at 16
+OBJC2_64BIT_EXE: imp 0x100001430
+OBJC2_64BIT_EXE: name 0x100001999 applicationWillTerminate:
+OBJC2_64BIT_EXE: types 0x100001b50 v24 at 0:8 at 16
+OBJC2_64BIT_EXE: imp 0x100001470
+OBJC2_64BIT_EXE: baseProtocols 0x1000028b0
+OBJC2_64BIT_EXE: count 1
+OBJC2_64BIT_EXE: list[0] 0x100002ae0 (struct protocol_t *)
+OBJC2_64BIT_EXE: isa 0x0
+OBJC2_64BIT_EXE: name 0x100001b29 NSApplicationDelegate
+OBJC2_64BIT_EXE: protocols 0x1000023f0
+OBJC2_64BIT_EXE: instanceMethods 0x0 (struct method_list_t *)
+OBJC2_64BIT_EXE: classMethods 0x0 (struct method_list_t *)
+OBJC2_64BIT_EXE: optionalInstanceMethods 0x100002408
+OBJC2_64BIT_EXE: optionalClassMethods 0x0
+OBJC2_64BIT_EXE: instanceProperties 0x0
+OBJC2_64BIT_EXE: ivars 0x0
+OBJC2_64BIT_EXE: weakIvarLayout 0x0
+OBJC2_64BIT_EXE: baseProperties 0x100002948
+OBJC2_64BIT_EXE: entsize 16
+OBJC2_64BIT_EXE: count 4
+OBJC2_64BIT_EXE: name 0x100001f25 hash
+OBJC2_64BIT_EXE: attributes 0x100001f2a TQ,R
+OBJC2_64BIT_EXE: name 0x100001f2f superclass
+OBJC2_64BIT_EXE: attributes 0x100001f3a T#,R
+OBJC2_64BIT_EXE: name 0x100001f3f description
+OBJC2_64BIT_EXE: attributes 0x100001f4b T@"NSString",R,C
+OBJC2_64BIT_EXE: name 0x100001f5c debugDescription
+OBJC2_64BIT_EXE: attributes 0x100001f4b T@"NSString",R,C
+OBJC2_64BIT_EXE: Meta Class
+OBJC2_64BIT_EXE: isa 0x0
+OBJC2_64BIT_EXE: superclass 0x0
+OBJC2_64BIT_EXE: cache 0x0
+OBJC2_64BIT_EXE: vtable 0x0
+OBJC2_64BIT_EXE: data 0x1000028c8 (struct class_ro_t *)
+OBJC2_64BIT_EXE: flags 0x81 RO_META
+OBJC2_64BIT_EXE: instanceStart 40
+OBJC2_64BIT_EXE: instanceSize 40
+OBJC2_64BIT_EXE: reserved 0x0
+OBJC2_64BIT_EXE: ivarLayout 0x0
+OBJC2_64BIT_EXE: name 0x100001b1d AppDelegate
+OBJC2_64BIT_EXE: baseMethods 0x0 (struct method_list_t *)
+OBJC2_64BIT_EXE: baseProtocols 0x1000028b0
+OBJC2_64BIT_EXE: count 1
+OBJC2_64BIT_EXE: list[0] 0x100002ae0 (struct protocol_t *)
+OBJC2_64BIT_EXE: isa 0x0
+OBJC2_64BIT_EXE: name 0x100001b29 NSApplicationDelegate
+OBJC2_64BIT_EXE: protocols 0x1000023f0
+OBJC2_64BIT_EXE: instanceMethods 0x0 (struct method_list_t *)
+OBJC2_64BIT_EXE: classMethods 0x0 (struct method_list_t *)
+OBJC2_64BIT_EXE: optionalInstanceMethods 0x100002408
+OBJC2_64BIT_EXE: optionalClassMethods 0x0
+OBJC2_64BIT_EXE: instanceProperties 0x0
+OBJC2_64BIT_EXE: ivars 0x0
+OBJC2_64BIT_EXE: weakIvarLayout 0x0
+OBJC2_64BIT_EXE: baseProperties 0x0
+OBJC2_64BIT_EXE: Contents of (__DATA,__objc_superrefs) section
+OBJC2_64BIT_EXE: 00000001000029e8 0x1000029f0
+OBJC2_64BIT_EXE: Contents of (__DATA,__objc_protolist) section
+OBJC2_64BIT_EXE: 0000000100002038 0x100002a90
+OBJC2_64BIT_EXE: 0000000100002040 0x100002ae0
+OBJC2_64BIT_EXE: Contents of (__DATA,__objc_imageinfo) section
+OBJC2_64BIT_EXE: version 0
+OBJC2_64BIT_EXE: flags 0x0
+
+OBJC2_64BIT_OBJ: Contents of (__DATA,__objc_classlist) section
+OBJC2_64BIT_OBJ: 0000000000001b00 0x1ad8 _OBJC_CLASS_$_AppDelegate
+OBJC2_64BIT_OBJ: isa 0x0 _OBJC_METACLASS_$_AppDelegate
+OBJC2_64BIT_OBJ: superclass 0x0 _OBJC_CLASS_$_NSObject
+OBJC2_64BIT_OBJ: cache 0x0 __objc_empty_cache
+OBJC2_64BIT_OBJ: vtable 0x0
+OBJC2_64BIT_OBJ: data l_OBJC_CLASS_RO_$_AppDelegate (struct class_ro_t *)
+OBJC2_64BIT_OBJ: flags 0x80
+OBJC2_64BIT_OBJ: instanceStart 8
+OBJC2_64BIT_OBJ: instanceSize 8
+OBJC2_64BIT_OBJ: reserved 0x0
+OBJC2_64BIT_OBJ: ivarLayout 0x0
+OBJC2_64BIT_OBJ: name 0x6f8 AppDelegate
+OBJC2_64BIT_OBJ: baseMethods l_OBJC_$_INSTANCE_METHODS_AppDelegate (struct method_list_t *)
+OBJC2_64BIT_OBJ: entsize 24
+OBJC2_64BIT_OBJ: count 2
+OBJC2_64BIT_OBJ: name 0xa98 applicationDidFinishLaunching:
+OBJC2_64BIT_OBJ: types 0x102e v24 at 0:8 at 16
+OBJC2_64BIT_OBJ: imp -[AppDelegate applicationDidFinishLaunching:]
+OBJC2_64BIT_OBJ: name 0xbac applicationWillTerminate:
+OBJC2_64BIT_OBJ: types 0x102e v24 at 0:8 at 16
+OBJC2_64BIT_OBJ: imp -[AppDelegate applicationWillTerminate:]
+OBJC2_64BIT_OBJ: baseProtocols l_OBJC_CLASS_PROTOCOLS_$_AppDelegate
+OBJC2_64BIT_OBJ: count 1
+OBJC2_64BIT_OBJ: list[0] l_OBJC_PROTOCOL_$_NSApplicationDelegate (struct protocol_t *)
+OBJC2_64BIT_OBJ: isa 0x0
+OBJC2_64BIT_OBJ: name 0x704 NSApplicationDelegate
+OBJC2_64BIT_OBJ: protocols 0x0
+OBJC2_64BIT_OBJ: instanceMethods 0x0 (struct method_list_t *)
+OBJC2_64BIT_OBJ: classMethods 0x0 (struct method_list_t *)
+OBJC2_64BIT_OBJ: optionalInstanceMethods 0x0
+OBJC2_64BIT_OBJ: optionalClassMethods 0x0
+OBJC2_64BIT_OBJ: instanceProperties 0x0
+OBJC2_64BIT_OBJ: ivars 0x0
+OBJC2_64BIT_OBJ: weakIvarLayout 0x0
+OBJC2_64BIT_OBJ: baseProperties l_OBJC_$_PROP_LIST_AppDelegate
+OBJC2_64BIT_OBJ: entsize 16
+OBJC2_64BIT_OBJ: count 4
+OBJC2_64BIT_OBJ: name 0x19b8 hash
+OBJC2_64BIT_OBJ: attributes 0x19bd TQ,R
+OBJC2_64BIT_OBJ: name 0x19c2 superclass
+OBJC2_64BIT_OBJ: attributes 0x19cd T#,R
+OBJC2_64BIT_OBJ: name 0x19d2 description
+OBJC2_64BIT_OBJ: attributes 0x19de T@"NSString",R,C
+OBJC2_64BIT_OBJ: name 0x19ef debugDescription
+OBJC2_64BIT_OBJ: attributes 0x19de T@"NSString",R,C
+OBJC2_64BIT_OBJ: Meta Class
+OBJC2_64BIT_OBJ: isa 0x0 _OBJC_METACLASS_$_NSObject
+OBJC2_64BIT_OBJ: superclass 0x0 _OBJC_METACLASS_$_NSObject
+OBJC2_64BIT_OBJ: cache 0x0 __objc_empty_cache
+OBJC2_64BIT_OBJ: vtable 0x0
+OBJC2_64BIT_OBJ: data l_OBJC_METACLASS_RO_$_AppDelegate (struct class_ro_t *)
+OBJC2_64BIT_OBJ: flags 0x81 RO_META
+OBJC2_64BIT_OBJ: instanceStart 40
+OBJC2_64BIT_OBJ: instanceSize 40
+OBJC2_64BIT_OBJ: reserved 0x0
+OBJC2_64BIT_OBJ: ivarLayout 0x0
+OBJC2_64BIT_OBJ: name 0x6f8 AppDelegate
+OBJC2_64BIT_OBJ: baseMethods 0x0 (struct method_list_t *)
+OBJC2_64BIT_OBJ: baseProtocols l_OBJC_CLASS_PROTOCOLS_$_AppDelegate
+OBJC2_64BIT_OBJ: count 1
+OBJC2_64BIT_OBJ: list[0] l_OBJC_PROTOCOL_$_NSApplicationDelegate (struct protocol_t *)
+OBJC2_64BIT_OBJ: isa 0x0
+OBJC2_64BIT_OBJ: name 0x704 NSApplicationDelegate
+OBJC2_64BIT_OBJ: protocols 0x0
+OBJC2_64BIT_OBJ: instanceMethods 0x0 (struct method_list_t *)
+OBJC2_64BIT_OBJ: classMethods 0x0 (struct method_list_t *)
+OBJC2_64BIT_OBJ: optionalInstanceMethods 0x0
+OBJC2_64BIT_OBJ: optionalClassMethods 0x0
+OBJC2_64BIT_OBJ: instanceProperties 0x0
+OBJC2_64BIT_OBJ: ivars 0x0
+OBJC2_64BIT_OBJ: weakIvarLayout 0x0
+OBJC2_64BIT_OBJ: baseProperties 0x0
+OBJC2_64BIT_OBJ: Contents of (__DATA,__objc_protolist) section
+OBJC2_64BIT_OBJ: 0000000000001aa0 0x1a00 l_OBJC_PROTOCOL_$_NSObject
+OBJC2_64BIT_OBJ: 0000000000001aa8 0x1a50 l_OBJC_PROTOCOL_$_NSApplicationDelegate
+OBJC2_64BIT_OBJ: Contents of (__DATA,__objc_imageinfo) section
+OBJC2_64BIT_OBJ: version 0
+OBJC2_64BIT_OBJ: flags 0x0
Modified: llvm/trunk/tools/llvm-objdump/MachODump.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-objdump/MachODump.cpp?rev=233840&r1=233839&r2=233840&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-objdump/MachODump.cpp (original)
+++ llvm/trunk/tools/llvm-objdump/MachODump.cpp Wed Apr 1 15:57:01 2015
@@ -122,6 +122,11 @@ cl::opt<bool>
cl::desc("Print the info for Mach-O objects in "
"non-verbose or numeric form (requires -macho)"));
+cl::opt<bool>
+ llvm::ObjcMetaData("objc-meta-data",
+ cl::desc("Print the Objective-C runtime meta data for "
+ "Mach-O files (requires -macho)"));
+
cl::opt<std::string> llvm::DisSymName(
"dis-symname",
cl::desc("disassemble just this symbol's instructions (requires -macho"));
@@ -1099,8 +1104,8 @@ static void DumpSectionContents(StringRe
DumpLiteral8Section(O, sect, sect_size, sect_addr, !NoLeadingAddr);
break;
case MachO::S_16BYTE_LITERALS:
- DumpLiteral16Section(O, sect, sect_size, sect_addr, !NoLeadingAddr);
- break;
+ DumpLiteral16Section(O, sect, sect_size, sect_addr, !NoLeadingAddr);
+ break;
case MachO::S_LITERAL_POINTERS:
DumpLiteralPointerSection(O, Section, sect, sect_size, sect_addr,
!NoLeadingAddr);
@@ -1179,6 +1184,8 @@ static bool checkMachOAndArchFlags(Objec
return true;
}
+static void printObjcMetaData(MachOObjectFile *O, bool verbose);
+
// ProcessMachO() is passed a single opened Mach-O file, which may be an
// archive member and or in a slice of a universal file. It prints the
// the file name and header info and then processes it according to the
@@ -1191,7 +1198,8 @@ static void ProcessMachO(StringRef Filen
// UniversalHeaders or ArchiveHeaders.
if (Disassemble || PrivateHeaders || ExportsTrie || Rebase || Bind ||
LazyBind || WeakBind || IndirectSymbols || DataInCode || LinkOptHints ||
- DylibsUsed || DylibId || (DumpSections.size() != 0 && !Raw)) {
+ DylibsUsed || DylibId || ObjcMetaData ||
+ (DumpSections.size() != 0 && !Raw)) {
outs() << Filename;
if (!ArchiveMemberName.empty())
outs() << '(' << ArchiveMemberName << ')';
@@ -1228,6 +1236,8 @@ static void ProcessMachO(StringRef Filen
printMachOUnwindInfo(MachOOF);
if (PrivateHeaders)
printMachOFileHeader(MachOOF);
+ if (ObjcMetaData)
+ printObjcMetaData(MachOOF, !NonVerbose);
if (ExportsTrie)
printExportsTrie(MachOOF);
if (Rebase)
@@ -2417,8 +2427,11 @@ static const char *get_pointer_64(uint64
// get_symbol_64() returns the name of a symbol (or nullptr) and the address of
// the symbol indirectly through n_value. Based on the relocation information
// for the specified section offset in the specified section reference.
+// If no relocation information is found and a non-zero ReferenceValue for the
+// symbol is passed, look up that address in the info's AddrMap.
static const char *get_symbol_64(uint32_t sect_offset, SectionRef S,
- DisassembleInfo *info, uint64_t &n_value) {
+ DisassembleInfo *info, uint64_t &n_value,
+ uint64_t ReferenceValue = 0) {
n_value = 0;
if (!info->verbose)
return nullptr;
@@ -2452,6 +2465,8 @@ static const char *get_symbol_64(uint32_
const char *SymbolName = nullptr;
if (reloc_found && isExtern) {
Symbol.getAddress(n_value);
+ if (n_value == UnknownAddressOrSize)
+ n_value = 0;
StringRef name;
Symbol.getName(name);
if (!name.empty()) {
@@ -2469,13 +2484,10 @@ static const char *get_symbol_64(uint32_
//
// NOTE: need add passing the database_offset to this routine.
- // TODO: We did not find an external relocation entry so look up the
- // ReferenceValue as an address of a symbol and if found return that symbol's
- // name.
- //
- // NOTE: need add passing the ReferenceValue to this routine. Then that code
- // would simply be this:
- // SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap);
+ // We did not find an external relocation entry so look up the ReferenceValue
+ // as an address of a symbol and if found return that symbol's name.
+ if (ReferenceValue != 0)
+ SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap);
return SymbolName;
}
@@ -2515,6 +2527,89 @@ struct class_ro64_t {
uint64_t baseProperties; // const struct objc_property_list (64-bit pointer)
};
+/* Values for class_ro64_t->flags */
+#define RO_META (1 << 0)
+#define RO_ROOT (1 << 1)
+#define RO_HAS_CXX_STRUCTORS (1 << 2)
+
+struct method_list64_t {
+ uint32_t entsize;
+ uint32_t count;
+ /* struct method64_t first; These structures follow inline */
+};
+
+struct method64_t {
+ uint64_t name; /* SEL (64-bit pointer) */
+ uint64_t types; /* const char * (64-bit pointer) */
+ uint64_t imp; /* IMP (64-bit pointer) */
+};
+
+struct protocol_list64_t {
+ uint64_t count; /* uintptr_t (a 64-bit value) */
+ /* struct protocol64_t * list[0]; These pointers follow inline */
+};
+
+struct protocol64_t {
+ uint64_t isa; /* id * (64-bit pointer) */
+ uint64_t name; /* const char * (64-bit pointer) */
+ uint64_t protocols; /* struct protocol_list64_t *
+ (64-bit pointer) */
+ uint64_t instanceMethods; /* method_list_t * (64-bit pointer) */
+ uint64_t classMethods; /* method_list_t * (64-bit pointer) */
+ uint64_t optionalInstanceMethods; /* method_list_t * (64-bit pointer) */
+ uint64_t optionalClassMethods; /* method_list_t * (64-bit pointer) */
+ uint64_t instanceProperties; /* struct objc_property_list *
+ (64-bit pointer) */
+};
+
+struct ivar_list64_t {
+ uint32_t entsize;
+ uint32_t count;
+ /* struct ivar_t first; These structures follow inline */
+};
+
+struct ivar64_t {
+ uint64_t offset; /* uintptr_t * (64-bit pointer) */
+ uint64_t name; /* const char * (64-bit pointer) */
+ uint64_t type; /* const char * (64-bit pointer) */
+ uint32_t alignment;
+ uint32_t size;
+};
+
+struct objc_property_list64 {
+ uint32_t entsize;
+ uint32_t count;
+ /* struct objc_property first; These structures follow inline */
+};
+
+struct objc_property64 {
+ uint64_t name; /* const char * (64-bit pointer) */
+ uint64_t attributes; /* const char * (64-bit pointer) */
+};
+
+struct category64_t {
+ uint64_t name; /* const char * (64-bit pointer) */
+ uint64_t cls; /* struct class_t * (64-bit pointer) */
+ uint64_t instanceMethods; /* struct method_list_t * (64-bit pointer) */
+ uint64_t classMethods; /* struct method_list_t * (64-bit pointer) */
+ uint64_t protocols; /* struct protocol_list_t * (64-bit pointer) */
+ uint64_t instanceProperties; /* struct objc_property_list *
+ (64-bit pointer) */
+};
+
+struct objc_image_info64 {
+ uint32_t version;
+ uint32_t flags;
+};
+/* masks for objc_image_info.flags */
+#define OBJC_IMAGE_IS_REPLACEMENT (1 << 0)
+#define OBJC_IMAGE_SUPPORTS_GC (1 << 1)
+
+struct message_ref64 {
+ uint64_t imp; /* IMP (64-bit pointer) */
+ uint64_t sel; /* SEL (64-bit pointer) */
+};
+
inline void swapStruct(struct cfstring64_t &cfs) {
sys::swapByteOrder(cfs.isa);
sys::swapByteOrder(cfs.flags);
@@ -2544,6 +2639,74 @@ inline void swapStruct(struct class_ro64
sys::swapByteOrder(cro.baseProperties);
}
+inline void swapStruct(struct method_list64_t &ml) {
+ sys::swapByteOrder(ml.entsize);
+ sys::swapByteOrder(ml.count);
+}
+
+inline void swapStruct(struct method64_t &m) {
+ sys::swapByteOrder(m.name);
+ sys::swapByteOrder(m.types);
+ sys::swapByteOrder(m.imp);
+}
+
+inline void swapStruct(struct protocol_list64_t &pl) {
+ sys::swapByteOrder(pl.count);
+}
+
+inline void swapStruct(struct protocol64_t &p) {
+ sys::swapByteOrder(p.isa);
+ sys::swapByteOrder(p.name);
+ sys::swapByteOrder(p.protocols);
+ sys::swapByteOrder(p.instanceMethods);
+ sys::swapByteOrder(p.classMethods);
+ sys::swapByteOrder(p.optionalInstanceMethods);
+ sys::swapByteOrder(p.optionalClassMethods);
+ sys::swapByteOrder(p.instanceProperties);
+}
+
+inline void swapStruct(struct ivar_list64_t &il) {
+ sys::swapByteOrder(il.entsize);
+ sys::swapByteOrder(il.count);
+}
+
+inline void swapStruct(struct ivar64_t &i) {
+ sys::swapByteOrder(i.offset);
+ sys::swapByteOrder(i.name);
+ sys::swapByteOrder(i.type);
+ sys::swapByteOrder(i.alignment);
+ sys::swapByteOrder(i.size);
+}
+
+inline void swapStruct(struct objc_property_list64 &pl) {
+ sys::swapByteOrder(pl.entsize);
+ sys::swapByteOrder(pl.count);
+}
+
+inline void swapStruct(struct objc_property64 &op) {
+ sys::swapByteOrder(op.name);
+ sys::swapByteOrder(op.attributes);
+}
+
+inline void swapStruct(struct category64_t &c) {
+ sys::swapByteOrder(c.name);
+ sys::swapByteOrder(c.cls);
+ sys::swapByteOrder(c.instanceMethods);
+ sys::swapByteOrder(c.classMethods);
+ sys::swapByteOrder(c.protocols);
+ sys::swapByteOrder(c.instanceProperties);
+}
+
+inline void swapStruct(struct objc_image_info64 &o) {
+ sys::swapByteOrder(o.version);
+ sys::swapByteOrder(o.flags);
+}
+
+inline void swapStruct(struct message_ref64 &mr) {
+ sys::swapByteOrder(mr.imp);
+ sys::swapByteOrder(mr.sel);
+}
+
static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
struct DisassembleInfo *info);
@@ -2652,6 +2815,1060 @@ static uint64_t get_objc2_64bit_selref(u
return n_value;
}
+static const SectionRef get_section(MachOObjectFile *O, const char *segname,
+ const char *sectname) {
+ for (const SectionRef &Section : O->sections()) {
+ StringRef SectName;
+ Section.getName(SectName);
+ DataRefImpl Ref = Section.getRawDataRefImpl();
+ StringRef SegName = O->getSectionFinalSegmentName(Ref);
+ if (SegName == segname && SectName == sectname)
+ return Section;
+ }
+ return SectionRef();
+}
+
+static void
+walk_pointer_list_64(const char *listname, const SectionRef S,
+ MachOObjectFile *O, struct DisassembleInfo *info,
+ void (*func)(uint64_t, struct DisassembleInfo *info)) {
+ if (S == SectionRef())
+ return;
+
+ StringRef SectName;
+ S.getName(SectName);
+ DataRefImpl Ref = S.getRawDataRefImpl();
+ StringRef SegName = O->getSectionFinalSegmentName(Ref);
+ outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
+
+ StringRef BytesStr;
+ S.getContents(BytesStr);
+ const char *Contents = reinterpret_cast<const char *>(BytesStr.data());
+
+ for (uint32_t i = 0; i < S.getSize(); i += sizeof(uint64_t)) {
+ uint32_t left = S.getSize() - i;
+ uint32_t size = left < sizeof(uint64_t) ? left : sizeof(uint64_t);
+ uint64_t p = 0;
+ memcpy(&p, Contents + i, size);
+ if (i + sizeof(uint64_t) > S.getSize())
+ outs() << listname << " list pointer extends past end of (" << SegName
+ << "," << SectName << ") section\n";
+ outs() << format("%016" PRIx64, S.getAddress() + i) << " ";
+
+ if (O->isLittleEndian() != sys::IsLittleEndianHost)
+ sys::swapByteOrder(p);
+
+ uint64_t n_value = 0;
+ const char *name = get_symbol_64(i, S, info, n_value, p);
+ if (name == nullptr)
+ name = get_dyld_bind_info_symbolname(S.getAddress() + i, info);
+
+ if (n_value != 0) {
+ outs() << format("0x%" PRIx64, n_value);
+ if (p != 0)
+ outs() << " + " << format("0x%" PRIx64, p);
+ } else
+ outs() << format("0x%" PRIx64, p);
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ p += n_value;
+ if (func)
+ func(p, info);
+ }
+}
+
+static void print_layout_map64(uint64_t p, struct DisassembleInfo *info) {
+ uint32_t offset, left;
+ SectionRef S;
+ const char *layout_map;
+
+ if (p == 0)
+ return;
+ layout_map = get_pointer_64(p, offset, left, S, info);
+ if (layout_map != nullptr) {
+ outs() << " layout map: ";
+ do {
+ outs() << format("0x%02" PRIx32, (*layout_map) & 0xff) << " ";
+ left--;
+ layout_map++;
+ } while (*layout_map != '\0' && left != 0);
+ outs() << "\n";
+ }
+}
+
+static void print_method_list64_t(uint64_t p, struct DisassembleInfo *info,
+ const char *indent) {
+ struct method_list64_t ml;
+ struct method64_t m;
+ const char *r;
+ uint32_t offset, xoffset, left, i;
+ SectionRef S, xS;
+ const char *name, *sym_name;
+ uint64_t n_value;
+
+ r = get_pointer_64(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&ml, '\0', sizeof(struct method_list64_t));
+ if (left < sizeof(struct method_list64_t)) {
+ memcpy(&ml, r, left);
+ outs() << " (method_list_t entends past the end of the section)\n";
+ } else
+ memcpy(&ml, r, sizeof(struct method_list64_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(ml);
+ outs() << indent << "\t\t entsize " << ml.entsize << "\n";
+ outs() << indent << "\t\t count " << ml.count << "\n";
+
+ p += sizeof(struct method_list64_t);
+ offset += sizeof(struct method_list64_t);
+ for (i = 0; i < ml.count; i++) {
+ r = get_pointer_64(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&m, '\0', sizeof(struct method64_t));
+ if (left < sizeof(struct method64_t)) {
+ memcpy(&ml, r, left);
+ outs() << indent << " (method_t entends past the end of the section)\n";
+ } else
+ memcpy(&m, r, sizeof(struct method64_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(m);
+
+ outs() << indent << "\t\t name ";
+ sym_name = get_symbol_64(offset + offsetof(struct method64_t, name), S,
+ info, n_value, m.name);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (m.name != 0)
+ outs() << " + " << format("0x%" PRIx64, m.name);
+ } else
+ outs() << format("0x%" PRIx64, m.name);
+ name = get_pointer_64(m.name + n_value, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ outs() << indent << "\t\t types ";
+ sym_name = get_symbol_64(offset + offsetof(struct method64_t, types), S,
+ info, n_value, m.types);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (m.types != 0)
+ outs() << " + " << format("0x%" PRIx64, m.types);
+ } else
+ outs() << format("0x%" PRIx64, m.types);
+ name = get_pointer_64(m.types + n_value, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ outs() << indent << "\t\t imp ";
+ name = get_symbol_64(offset + offsetof(struct method64_t, imp), S, info,
+ n_value, m.imp);
+ if (info->verbose && name == nullptr) {
+ if (n_value != 0) {
+ outs() << format("0x%" PRIx64, n_value) << " ";
+ if (m.imp != 0)
+ outs() << "+ " << format("0x%" PRIx64, m.imp) << " ";
+ } else
+ outs() << format("0x%" PRIx64, m.imp) << " ";
+ }
+ if (name != nullptr)
+ outs() << name;
+ outs() << "\n";
+
+ p += sizeof(struct method64_t);
+ offset += sizeof(struct method64_t);
+ }
+}
+
+static void print_protocol_list64_t(uint64_t p, struct DisassembleInfo *info) {
+ struct protocol_list64_t pl;
+ uint64_t q, n_value;
+ struct protocol64_t pc;
+ const char *r;
+ uint32_t offset, xoffset, left, i;
+ SectionRef S, xS;
+ const char *name, *sym_name;
+
+ r = get_pointer_64(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&pl, '\0', sizeof(struct protocol_list64_t));
+ if (left < sizeof(struct protocol_list64_t)) {
+ memcpy(&pl, r, left);
+ outs() << " (protocol_list_t entends past the end of the section)\n";
+ } else
+ memcpy(&pl, r, sizeof(struct protocol_list64_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(pl);
+ outs() << " count " << pl.count << "\n";
+
+ p += sizeof(struct protocol_list64_t);
+ offset += sizeof(struct protocol_list64_t);
+ for (i = 0; i < pl.count; i++) {
+ r = get_pointer_64(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ q = 0;
+ if (left < sizeof(uint64_t)) {
+ memcpy(&q, r, left);
+ outs() << " (protocol_t * entends past the end of the section)\n";
+ } else
+ memcpy(&q, r, sizeof(uint64_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ sys::swapByteOrder(q);
+
+ outs() << "\t\t list[" << i << "] ";
+ sym_name = get_symbol_64(offset, S, info, n_value, q);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (q != 0)
+ outs() << " + " << format("0x%" PRIx64, q);
+ } else
+ outs() << format("0x%" PRIx64, q);
+ outs() << " (struct protocol_t *)\n";
+
+ r = get_pointer_64(q + n_value, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&pc, '\0', sizeof(struct protocol64_t));
+ if (left < sizeof(struct protocol64_t)) {
+ memcpy(&pc, r, left);
+ outs() << " (protocol_t entends past the end of the section)\n";
+ } else
+ memcpy(&pc, r, sizeof(struct protocol64_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(pc);
+
+ outs() << "\t\t\t isa " << format("0x%" PRIx64, pc.isa) << "\n";
+
+ outs() << "\t\t\t name ";
+ sym_name = get_symbol_64(offset + offsetof(struct protocol64_t, name), S,
+ info, n_value, pc.name);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (pc.name != 0)
+ outs() << " + " << format("0x%" PRIx64, pc.name);
+ } else
+ outs() << format("0x%" PRIx64, pc.name);
+ name = get_pointer_64(pc.name + n_value, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ outs() << "\t\t\tprotocols " << format("0x%" PRIx64, pc.protocols) << "\n";
+
+ outs() << "\t\t instanceMethods ";
+ sym_name =
+ get_symbol_64(offset + offsetof(struct protocol64_t, instanceMethods),
+ S, info, n_value, pc.instanceMethods);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (pc.instanceMethods != 0)
+ outs() << " + " << format("0x%" PRIx64, pc.instanceMethods);
+ } else
+ outs() << format("0x%" PRIx64, pc.instanceMethods);
+ outs() << " (struct method_list_t *)\n";
+ if (pc.instanceMethods + n_value != 0)
+ print_method_list64_t(pc.instanceMethods + n_value, info, "\t");
+
+ outs() << "\t\t classMethods ";
+ sym_name =
+ get_symbol_64(offset + offsetof(struct protocol64_t, classMethods), S,
+ info, n_value, pc.classMethods);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (pc.classMethods != 0)
+ outs() << " + " << format("0x%" PRIx64, pc.classMethods);
+ } else
+ outs() << format("0x%" PRIx64, pc.classMethods);
+ outs() << " (struct method_list_t *)\n";
+ if (pc.classMethods + n_value != 0)
+ print_method_list64_t(pc.classMethods + n_value, info, "\t");
+
+ outs() << "\t optionalInstanceMethods "
+ << format("0x%" PRIx64, pc.optionalInstanceMethods) << "\n";
+ outs() << "\t optionalClassMethods "
+ << format("0x%" PRIx64, pc.optionalClassMethods) << "\n";
+ outs() << "\t instanceProperties "
+ << format("0x%" PRIx64, pc.instanceProperties) << "\n";
+
+ p += sizeof(uint64_t);
+ offset += sizeof(uint64_t);
+ }
+}
+
+static void print_ivar_list64_t(uint64_t p, struct DisassembleInfo *info) {
+ struct ivar_list64_t il;
+ struct ivar64_t i;
+ const char *r;
+ uint32_t offset, xoffset, left, j;
+ SectionRef S, xS;
+ const char *name, *sym_name, *ivar_offset_p;
+ uint64_t ivar_offset, n_value;
+
+ r = get_pointer_64(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&il, '\0', sizeof(struct ivar_list64_t));
+ if (left < sizeof(struct ivar_list64_t)) {
+ memcpy(&il, r, left);
+ outs() << " (ivar_list_t entends past the end of the section)\n";
+ } else
+ memcpy(&il, r, sizeof(struct ivar_list64_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(il);
+ outs() << " entsize " << il.entsize << "\n";
+ outs() << " count " << il.count << "\n";
+
+ p += sizeof(struct ivar_list64_t);
+ offset += sizeof(struct ivar_list64_t);
+ for (j = 0; j < il.count; j++) {
+ r = get_pointer_64(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&i, '\0', sizeof(struct ivar64_t));
+ if (left < sizeof(struct ivar64_t)) {
+ memcpy(&i, r, left);
+ outs() << " (ivar_t entends past the end of the section)\n";
+ } else
+ memcpy(&i, r, sizeof(struct ivar64_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(i);
+
+ outs() << "\t\t\t offset ";
+ sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, offset), S,
+ info, n_value, i.offset);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (i.offset != 0)
+ outs() << " + " << format("0x%" PRIx64, i.offset);
+ } else
+ outs() << format("0x%" PRIx64, i.offset);
+ ivar_offset_p = get_pointer_64(i.offset + n_value, xoffset, left, xS, info);
+ if (ivar_offset_p != nullptr && left >= sizeof(*ivar_offset_p)) {
+ memcpy(&ivar_offset, ivar_offset_p, sizeof(ivar_offset));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ sys::swapByteOrder(ivar_offset);
+ outs() << " " << ivar_offset << "\n";
+ } else
+ outs() << "\n";
+
+ outs() << "\t\t\t name ";
+ sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, name), S, info,
+ n_value, i.name);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (i.name != 0)
+ outs() << " + " << format("0x%" PRIx64, i.name);
+ } else
+ outs() << format("0x%" PRIx64, i.name);
+ name = get_pointer_64(i.name + n_value, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ outs() << "\t\t\t type ";
+ sym_name = get_symbol_64(offset + offsetof(struct ivar64_t, type), S, info,
+ n_value, i.name);
+ name = get_pointer_64(i.type + n_value, xoffset, left, xS, info);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (i.type != 0)
+ outs() << " + " << format("0x%" PRIx64, i.type);
+ } else
+ outs() << format("0x%" PRIx64, i.type);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ outs() << "\t\t\talignment " << i.alignment << "\n";
+ outs() << "\t\t\t size " << i.size << "\n";
+
+ p += sizeof(struct ivar64_t);
+ offset += sizeof(struct ivar64_t);
+ }
+}
+
+static void print_objc_property_list64(uint64_t p,
+ struct DisassembleInfo *info) {
+ struct objc_property_list64 opl;
+ struct objc_property64 op;
+ const char *r;
+ uint32_t offset, xoffset, left, j;
+ SectionRef S, xS;
+ const char *name, *sym_name;
+ uint64_t n_value;
+
+ r = get_pointer_64(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&opl, '\0', sizeof(struct objc_property_list64));
+ if (left < sizeof(struct objc_property_list64)) {
+ memcpy(&opl, r, left);
+ outs() << " (objc_property_list entends past the end of the section)\n";
+ } else
+ memcpy(&opl, r, sizeof(struct objc_property_list64));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(opl);
+ outs() << " entsize " << opl.entsize << "\n";
+ outs() << " count " << opl.count << "\n";
+
+ p += sizeof(struct objc_property_list64);
+ offset += sizeof(struct objc_property_list64);
+ for (j = 0; j < opl.count; j++) {
+ r = get_pointer_64(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&op, '\0', sizeof(struct objc_property64));
+ if (left < sizeof(struct objc_property64)) {
+ memcpy(&op, r, left);
+ outs() << " (objc_property entends past the end of the section)\n";
+ } else
+ memcpy(&op, r, sizeof(struct objc_property64));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(op);
+
+ outs() << "\t\t\t name ";
+ sym_name = get_symbol_64(offset + offsetof(struct objc_property64, name), S,
+ info, n_value, op.name);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (op.name != 0)
+ outs() << " + " << format("0x%" PRIx64, op.name);
+ } else
+ outs() << format("0x%" PRIx64, op.name);
+ name = get_pointer_64(op.name + n_value, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ outs() << "\t\t\tattributes ";
+ sym_name =
+ get_symbol_64(offset + offsetof(struct objc_property64, attributes), S,
+ info, n_value, op.attributes);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (op.attributes != 0)
+ outs() << " + " << format("0x%" PRIx64, op.attributes);
+ } else
+ outs() << format("0x%" PRIx64, op.attributes);
+ name = get_pointer_64(op.attributes + n_value, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ p += sizeof(struct objc_property64);
+ offset += sizeof(struct objc_property64);
+ }
+}
+
+static void print_class_ro64_t(uint64_t p, struct DisassembleInfo *info,
+ bool &is_meta_class) {
+ struct class_ro64_t cro;
+ const char *r;
+ uint32_t offset, xoffset, left;
+ SectionRef S, xS;
+ const char *name, *sym_name;
+ uint64_t n_value;
+
+ r = get_pointer_64(p, offset, left, S, info);
+ if (r == nullptr || left < sizeof(struct class_ro64_t))
+ return;
+ memset(&cro, '\0', sizeof(struct class_ro64_t));
+ if (left < sizeof(struct class_ro64_t)) {
+ memcpy(&cro, r, left);
+ outs() << " (class_ro_t entends past the end of the section)\n";
+ } else
+ memcpy(&cro, r, sizeof(struct class_ro64_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(cro);
+ outs() << " flags " << format("0x%" PRIx32, cro.flags);
+ if (cro.flags & RO_META)
+ outs() << " RO_META";
+ if (cro.flags & RO_ROOT)
+ outs() << " RO_ROOT";
+ if (cro.flags & RO_HAS_CXX_STRUCTORS)
+ outs() << " RO_HAS_CXX_STRUCTORS";
+ outs() << "\n";
+ outs() << " instanceStart " << cro.instanceStart << "\n";
+ outs() << " instanceSize " << cro.instanceSize << "\n";
+ outs() << " reserved " << format("0x%" PRIx32, cro.reserved)
+ << "\n";
+ outs() << " ivarLayout " << format("0x%" PRIx64, cro.ivarLayout)
+ << "\n";
+ print_layout_map64(cro.ivarLayout, info);
+
+ outs() << " name ";
+ sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, name), S,
+ info, n_value, cro.name);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (cro.name != 0)
+ outs() << " + " << format("0x%" PRIx64, cro.name);
+ } else
+ outs() << format("0x%" PRIx64, cro.name);
+ name = get_pointer_64(cro.name + n_value, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ outs() << " baseMethods ";
+ sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, baseMethods),
+ S, info, n_value, cro.baseMethods);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (cro.baseMethods != 0)
+ outs() << " + " << format("0x%" PRIx64, cro.baseMethods);
+ } else
+ outs() << format("0x%" PRIx64, cro.baseMethods);
+ outs() << " (struct method_list_t *)\n";
+ if (cro.baseMethods + n_value != 0)
+ print_method_list64_t(cro.baseMethods + n_value, info, "");
+
+ outs() << " baseProtocols ";
+ sym_name =
+ get_symbol_64(offset + offsetof(struct class_ro64_t, baseProtocols), S,
+ info, n_value, cro.baseProtocols);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (cro.baseProtocols != 0)
+ outs() << " + " << format("0x%" PRIx64, cro.baseProtocols);
+ } else
+ outs() << format("0x%" PRIx64, cro.baseProtocols);
+ outs() << "\n";
+ if (cro.baseProtocols + n_value != 0)
+ print_protocol_list64_t(cro.baseProtocols + n_value, info);
+
+ outs() << " ivars ";
+ sym_name = get_symbol_64(offset + offsetof(struct class_ro64_t, ivars), S,
+ info, n_value, cro.baseProtocols);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (cro.ivars != 0)
+ outs() << " + " << format("0x%" PRIx64, cro.ivars);
+ } else
+ outs() << format("0x%" PRIx64, cro.ivars);
+ outs() << "\n";
+ if (cro.ivars + n_value != 0)
+ print_ivar_list64_t(cro.ivars + n_value, info);
+
+ outs() << " weakIvarLayout ";
+ sym_name =
+ get_symbol_64(offset + offsetof(struct class_ro64_t, weakIvarLayout), S,
+ info, n_value, cro.weakIvarLayout);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (cro.weakIvarLayout != 0)
+ outs() << " + " << format("0x%" PRIx64, cro.weakIvarLayout);
+ } else
+ outs() << format("0x%" PRIx64, cro.weakIvarLayout);
+ outs() << "\n";
+ print_layout_map64(cro.weakIvarLayout + n_value, info);
+
+ outs() << " baseProperties ";
+ sym_name =
+ get_symbol_64(offset + offsetof(struct class_ro64_t, baseProperties), S,
+ info, n_value, cro.baseProperties);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (cro.baseProperties != 0)
+ outs() << " + " << format("0x%" PRIx64, cro.baseProperties);
+ } else
+ outs() << format("0x%" PRIx64, cro.baseProperties);
+ outs() << "\n";
+ if (cro.baseProperties + n_value != 0)
+ print_objc_property_list64(cro.baseProperties + n_value, info);
+
+ is_meta_class = (cro.flags & RO_META) ? true : false;
+}
+
+static void print_class64_t(uint64_t p, struct DisassembleInfo *info) {
+ struct class64_t c;
+ const char *r;
+ uint32_t offset, left;
+ SectionRef S;
+ const char *name;
+ uint64_t isa_n_value, n_value;
+
+ r = get_pointer_64(p, offset, left, S, info);
+ if (r == nullptr || left < sizeof(struct class64_t))
+ return;
+ memset(&c, '\0', sizeof(struct class64_t));
+ if (left < sizeof(struct class64_t)) {
+ memcpy(&c, r, left);
+ outs() << " (class_t entends past the end of the section)\n";
+ } else
+ memcpy(&c, r, sizeof(struct class64_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(c);
+
+ outs() << " isa " << format("0x%" PRIx64, c.isa);
+ name = get_symbol_64(offset + offsetof(struct class64_t, isa), S, info,
+ isa_n_value, c.isa);
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ outs() << " superclass " << format("0x%" PRIx64, c.superclass);
+ name = get_symbol_64(offset + offsetof(struct class64_t, superclass), S, info,
+ n_value, c.superclass);
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ outs() << " cache " << format("0x%" PRIx64, c.cache);
+ name = get_symbol_64(offset + offsetof(struct class64_t, cache), S, info,
+ n_value, c.cache);
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ outs() << " vtable " << format("0x%" PRIx64, c.vtable);
+ name = get_symbol_64(offset + offsetof(struct class64_t, vtable), S, info,
+ n_value, c.vtable);
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ name = get_symbol_64(offset + offsetof(struct class64_t, data), S, info,
+ n_value, c.data);
+ outs() << " data ";
+ if (n_value != 0) {
+ if (info->verbose && name != nullptr)
+ outs() << name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (c.data != 0)
+ outs() << " + " << format("0x%" PRIx64, c.data);
+ } else
+ outs() << format("0x%" PRIx64, c.data);
+ outs() << " (struct class_ro_t *)";
+
+ // This is a Swift class if some of the low bits of the pointer are set.
+ if ((c.data + n_value) & 0x7)
+ outs() << " Swift class";
+ outs() << "\n";
+ bool is_meta_class = true;
+ print_class_ro64_t((c.data + n_value) & ~0x7, info, is_meta_class);
+
+ if (is_meta_class == false) {
+ outs() << "Meta Class\n";
+ print_class64_t(c.isa + isa_n_value, info);
+ }
+}
+
+static void print_category64_t(uint64_t p, struct DisassembleInfo *info) {
+ struct category64_t c;
+ const char *r;
+ uint32_t offset, xoffset, left;
+ SectionRef S, xS;
+ const char *name, *sym_name;
+ uint64_t n_value;
+
+ r = get_pointer_64(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&c, '\0', sizeof(struct category64_t));
+ if (left < sizeof(struct category64_t)) {
+ memcpy(&c, r, left);
+ outs() << " (category_t entends past the end of the section)\n";
+ } else
+ memcpy(&c, r, sizeof(struct category64_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(c);
+
+ outs() << " name ";
+ sym_name = get_symbol_64(offset + offsetof(struct category64_t, name), S,
+ info, n_value, c.name);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (c.name != 0)
+ outs() << " + " << format("0x%" PRIx64, c.name);
+ } else
+ outs() << format("0x%" PRIx64, c.name);
+ name = get_pointer_64(c.name + n_value, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ outs() << " cls ";
+ sym_name = get_symbol_64(offset + offsetof(struct category64_t, cls), S, info,
+ n_value, c.cls);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (c.cls != 0)
+ outs() << " + " << format("0x%" PRIx64, c.cls);
+ } else
+ outs() << format("0x%" PRIx64, c.cls);
+ outs() << "\n";
+ if (c.cls + n_value != 0)
+ print_class64_t(c.cls + n_value, info);
+
+ outs() << " instanceMethods ";
+ sym_name =
+ get_symbol_64(offset + offsetof(struct category64_t, instanceMethods), S,
+ info, n_value, c.instanceMethods);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (c.instanceMethods != 0)
+ outs() << " + " << format("0x%" PRIx64, c.instanceMethods);
+ } else
+ outs() << format("0x%" PRIx64, c.instanceMethods);
+ outs() << "\n";
+ if (c.instanceMethods + n_value != 0)
+ print_method_list64_t(c.instanceMethods + n_value, info, "");
+
+ outs() << " classMethods ";
+ sym_name = get_symbol_64(offset + offsetof(struct category64_t, classMethods),
+ S, info, n_value, c.classMethods);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (c.classMethods != 0)
+ outs() << " + " << format("0x%" PRIx64, c.classMethods);
+ } else
+ outs() << format("0x%" PRIx64, c.classMethods);
+ outs() << "\n";
+ if (c.classMethods + n_value != 0)
+ print_method_list64_t(c.classMethods + n_value, info, "");
+
+ outs() << " protocols ";
+ sym_name = get_symbol_64(offset + offsetof(struct category64_t, protocols), S,
+ info, n_value, c.protocols);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (c.protocols != 0)
+ outs() << " + " << format("0x%" PRIx64, c.protocols);
+ } else
+ outs() << format("0x%" PRIx64, c.protocols);
+ outs() << "\n";
+ if (c.protocols + n_value != 0)
+ print_protocol_list64_t(c.protocols + n_value, info);
+
+ outs() << "instanceProperties ";
+ sym_name =
+ get_symbol_64(offset + offsetof(struct category64_t, instanceProperties),
+ S, info, n_value, c.instanceProperties);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (c.instanceProperties != 0)
+ outs() << " + " << format("0x%" PRIx64, c.instanceProperties);
+ } else
+ outs() << format("0x%" PRIx64, c.instanceProperties);
+ outs() << "\n";
+ if (c.instanceProperties + n_value != 0)
+ print_objc_property_list64(c.instanceProperties + n_value, info);
+}
+
+static void print_message_refs64(SectionRef S, struct DisassembleInfo *info) {
+ uint32_t i, left, offset, xoffset;
+ uint64_t p, n_value;
+ struct message_ref64 mr;
+ const char *name, *sym_name;
+ const char *r;
+ SectionRef xS;
+
+ if (S == SectionRef())
+ return;
+
+ StringRef SectName;
+ S.getName(SectName);
+ DataRefImpl Ref = S.getRawDataRefImpl();
+ StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
+ outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
+ offset = 0;
+ for (i = 0; i < S.getSize(); i += sizeof(struct message_ref64)) {
+ p = S.getAddress() + i;
+ r = get_pointer_64(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&mr, '\0', sizeof(struct message_ref64));
+ if (left < sizeof(struct message_ref64)) {
+ memcpy(&mr, r, left);
+ outs() << " (message_ref entends past the end of the section)\n";
+ } else
+ memcpy(&mr, r, sizeof(struct message_ref64));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(mr);
+
+ outs() << " imp ";
+ name = get_symbol_64(offset + offsetof(struct message_ref64, imp), S, info,
+ n_value, mr.imp);
+ if (n_value != 0) {
+ outs() << format("0x%" PRIx64, n_value) << " ";
+ if (mr.imp != 0)
+ outs() << "+ " << format("0x%" PRIx64, mr.imp) << " ";
+ } else
+ outs() << format("0x%" PRIx64, mr.imp) << " ";
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ outs() << " sel ";
+ sym_name = get_symbol_64(offset + offsetof(struct message_ref64, sel), S,
+ info, n_value, mr.sel);
+ if (n_value != 0) {
+ if (info->verbose && sym_name != nullptr)
+ outs() << sym_name;
+ else
+ outs() << format("0x%" PRIx64, n_value);
+ if (mr.sel != 0)
+ outs() << " + " << format("0x%" PRIx64, mr.sel);
+ } else
+ outs() << format("0x%" PRIx64, mr.sel);
+ name = get_pointer_64(mr.sel + n_value, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ offset += sizeof(struct message_ref64);
+ }
+}
+
+static void print_image_info64(SectionRef S, struct DisassembleInfo *info) {
+ uint32_t left, offset, swift_version;
+ uint64_t p;
+ struct objc_image_info64 o;
+ const char *r;
+
+ StringRef SectName;
+ S.getName(SectName);
+ DataRefImpl Ref = S.getRawDataRefImpl();
+ StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
+ outs() << "Contents of (" << SegName << "," << SectName << ") section\n";
+ p = S.getAddress();
+ r = get_pointer_64(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&o, '\0', sizeof(struct objc_image_info64));
+ if (left < sizeof(struct objc_image_info64)) {
+ memcpy(&o, r, left);
+ outs() << " (objc_image_info entends past the end of the section)\n";
+ } else
+ memcpy(&o, r, sizeof(struct objc_image_info64));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(o);
+ outs() << " version " << o.version << "\n";
+ outs() << " flags " << format("0x%" PRIx32, o.flags);
+ if (o.flags & OBJC_IMAGE_IS_REPLACEMENT)
+ outs() << " OBJC_IMAGE_IS_REPLACEMENT";
+ if (o.flags & OBJC_IMAGE_SUPPORTS_GC)
+ outs() << " OBJC_IMAGE_SUPPORTS_GC";
+ swift_version = (o.flags >> 8) & 0xff;
+ if (swift_version != 0) {
+ if (swift_version == 1)
+ outs() << " Swift 1.0";
+ else if (swift_version == 2)
+ outs() << " Swift 1.1";
+ else
+ outs() << " unknown future Swift version (" << swift_version << ")";
+ }
+ outs() << "\n";
+}
+
+static void printObjc2_64bit_MetaData(MachOObjectFile *O, bool verbose) {
+ SymbolAddressMap AddrMap;
+ if (verbose)
+ CreateSymbolAddressMap(O, &AddrMap);
+
+ std::vector<SectionRef> Sections;
+ for (const SectionRef &Section : O->sections()) {
+ StringRef SectName;
+ Section.getName(SectName);
+ Sections.push_back(Section);
+ }
+
+ struct DisassembleInfo info;
+ // Set up the block of info used by the Symbolizer call backs.
+ info.verbose = verbose;
+ info.O = O;
+ info.AddrMap = &AddrMap;
+ info.Sections = &Sections;
+ info.class_name = nullptr;
+ info.selector_name = nullptr;
+ info.method = nullptr;
+ info.demangled_name = nullptr;
+ info.bindtable = nullptr;
+ info.adrp_addr = 0;
+ info.adrp_inst = 0;
+
+ const SectionRef CL = get_section(O, "__OBJC2", "__class_list");
+ if (CL != SectionRef()) {
+ info.S = CL;
+ walk_pointer_list_64("class", CL, O, &info, print_class64_t);
+ } else {
+ const SectionRef CL = get_section(O, "__DATA", "__objc_classlist");
+ info.S = CL;
+ walk_pointer_list_64("class", CL, O, &info, print_class64_t);
+ }
+
+ const SectionRef CR = get_section(O, "__OBJC2", "__class_refs");
+ if (CR != SectionRef()) {
+ info.S = CR;
+ walk_pointer_list_64("class refs", CR, O, &info, nullptr);
+ } else {
+ const SectionRef CR = get_section(O, "__DATA", "__objc_classrefs");
+ info.S = CR;
+ walk_pointer_list_64("class refs", CR, O, &info, nullptr);
+ }
+
+ const SectionRef SR = get_section(O, "__OBJC2", "__super_refs");
+ if (SR != SectionRef()) {
+ info.S = SR;
+ walk_pointer_list_64("super refs", SR, O, &info, nullptr);
+ } else {
+ const SectionRef SR = get_section(O, "__DATA", "__objc_superrefs");
+ info.S = SR;
+ walk_pointer_list_64("super refs", SR, O, &info, nullptr);
+ }
+
+ const SectionRef CA = get_section(O, "__OBJC2", "__category_list");
+ if (CA != SectionRef()) {
+ info.S = CA;
+ walk_pointer_list_64("category", CA, O, &info, print_category64_t);
+ } else {
+ const SectionRef CA = get_section(O, "__DATA", "__objc_catlist");
+ info.S = CA;
+ walk_pointer_list_64("category", CA, O, &info, print_category64_t);
+ }
+
+ const SectionRef PL = get_section(O, "__OBJC2", "__protocol_list");
+ if (PL != SectionRef()) {
+ info.S = PL;
+ walk_pointer_list_64("protocol", PL, O, &info, nullptr);
+ } else {
+ const SectionRef PL = get_section(O, "__DATA", "__objc_protolist");
+ info.S = PL;
+ walk_pointer_list_64("protocol", PL, O, &info, nullptr);
+ }
+
+ const SectionRef MR = get_section(O, "__OBJC2", "__message_refs");
+ if (MR != SectionRef()) {
+ info.S = MR;
+ print_message_refs64(MR, &info);
+ } else {
+ const SectionRef MR = get_section(O, "__DATA", "__objc_msgrefs");
+ info.S = MR;
+ print_message_refs64(MR, &info);
+ }
+
+ const SectionRef II = get_section(O, "__OBJC2", "__image_info");
+ if (II != SectionRef()) {
+ info.S = II;
+ print_image_info64(II, &info);
+ } else {
+ const SectionRef II = get_section(O, "__DATA", "__objc_imageinfo");
+ info.S = II;
+ print_image_info64(II, &info);
+ }
+}
+
+static void printObjc2_32bit_MetaData(MachOObjectFile *O, bool verbose) {
+ outs() << "Printing Objc2 32-bit MetaData not yet supported\n";
+}
+
+static bool printObjc1_32bit_MetaData(MachOObjectFile *O, bool verbose) {
+ const SectionRef S = get_section(O, "__OBJC", "__module_info");
+ if (S != SectionRef()) {
+ outs() << "Printing Objc1 32-bit MetaData not yet supported\n";
+ return true;
+ }
+ return false;
+}
+
+static void printObjcMetaData(MachOObjectFile *O, bool verbose) {
+ if (O->is64Bit())
+ printObjc2_64bit_MetaData(O, verbose);
+ else {
+ MachO::mach_header H;
+ H = O->getHeader();
+ if (H.cputype == MachO::CPU_TYPE_ARM)
+ printObjc2_32bit_MetaData(O, verbose);
+ else {
+ // This is the 32-bit non-arm cputype case. Which is normally
+ // the first Objective-C ABI. But it may be the case of a
+ // binary for the iOS simulator which is the second Objective-C
+ // ABI. In that case printObjc1_32bit_MetaData() will determine that
+ // and return false.
+ if (printObjc1_32bit_MetaData(O, verbose) == false)
+ printObjc2_32bit_MetaData(O, verbose);
+ }
+ }
+}
+
// GuessLiteralPointer returns a string which for the item in the Mach-O file
// for the address passed in as ReferenceValue for printing as a comment with
// the instruction and also returns the corresponding type of that item
Modified: llvm/trunk/tools/llvm-objdump/llvm-objdump.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-objdump/llvm-objdump.cpp?rev=233840&r1=233839&r2=233840&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-objdump/llvm-objdump.cpp (original)
+++ llvm/trunk/tools/llvm-objdump/llvm-objdump.cpp Wed Apr 1 15:57:01 2015
@@ -896,6 +896,7 @@ int main(int argc, char **argv) {
&& !(InfoPlist && MachOOpt)
&& !(DylibsUsed && MachOOpt)
&& !(DylibId && MachOOpt)
+ && !(ObjcMetaData && MachOOpt)
&& !(DumpSections.size() != 0 && MachOOpt)) {
cl::PrintHelpMessage();
return 2;
Modified: llvm/trunk/tools/llvm-objdump/llvm-objdump.h
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/tools/llvm-objdump/llvm-objdump.h?rev=233840&r1=233839&r2=233840&view=diff
==============================================================================
--- llvm/trunk/tools/llvm-objdump/llvm-objdump.h (original)
+++ llvm/trunk/tools/llvm-objdump/llvm-objdump.h Wed Apr 1 15:57:01 2015
@@ -1,4 +1,3 @@
-//===-- llvm-objdump.h ----------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
@@ -44,6 +43,7 @@ extern cl::opt<bool> LinkOptHints;
extern cl::opt<bool> InfoPlist;
extern cl::opt<bool> DylibsUsed;
extern cl::opt<bool> DylibId;
+extern cl::opt<bool> ObjcMetaData;
extern cl::opt<std::string> DisSymName;
extern cl::opt<bool> NonVerbose;
extern cl::opt<bool> Relocations;
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