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Add the option -objc-meta-data to llvm-objdump used with -macho to

Browse Source 
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.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233840 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kevin Enderby 2015-04-01 20:57:01 +00:00
parent a066ed09db
commit 95d8155b37
6 changed files with 1436 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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test/tools/llvm-objdump/X86/Inputs/Objc2.64bit.exe.macho-x86_64 Executable file
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test/tools/llvm-objdump/X86/Inputs/Objc2.64bit.obj.macho-x86_64 Normal file
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206
test/tools/llvm-objdump/X86/macho-objc-meta-data.test Normal file
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@ -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@0:8
OBJC2_64BIT_EXE: imp 0x100001350
OBJC2_64BIT_EXE: name 0x1000014fa setRepresentedObject:
OBJC2_64BIT_EXE: types 0x100001b50 v24@0:8@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@0:8@16
OBJC2_64BIT_EXE: imp 0x100001430
OBJC2_64BIT_EXE: name 0x100001999 applicationWillTerminate:
OBJC2_64BIT_EXE: types 0x100001b50 v24@0:8@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_$_INSTANCE_METHODS_AppDelegate (struct method_list_t *)
OBJC2_64BIT_OBJ: entsize 24
OBJC2_64BIT_OBJ: count 2
OBJC2_64BIT_OBJ: name 0xa98 applicationDidFinishLaunching:
OBJC2_64BIT_OBJ: types 0x102e v24@0:8@16
OBJC2_64BIT_OBJ: imp -[AppDelegate applicationDidFinishLaunching:]
OBJC2_64BIT_OBJ: name 0xbac applicationWillTerminate:
OBJC2_64BIT_OBJ: types 0x102e v24@0:8@16
OBJC2_64BIT_OBJ: imp -[AppDelegate applicationWillTerminate:]
OBJC2_64BIT_OBJ: baseProtocols l_OBJC_CLASS_PROTOCOLS_$_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

1239
tools/llvm-objdump/MachODump.cpp
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1
tools/llvm-objdump/llvm-objdump.cpp
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@ -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;

2
tools/llvm-objdump/llvm-objdump.h
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@ -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;