For llvm-objdump, dump the (__OBJC,__protocol) section for Objc1 32-bit Mach-O files

with the -section option as objc_protocol_t structs.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@235141 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kevin Enderby 2015-04-16 22:33:20 +00:00
parent 1d30e3faf2
commit 4906c57876
2 changed files with 191 additions and 0 deletions

View File

@ -4,6 +4,7 @@
# RUN: llvm-objdump -m -objc-meta-data %p/Inputs/Objc2.32bit.obj.macho-i386 | FileCheck %s -check-prefix=OBJC2_32BIT_OBJ
# RUN: llvm-objdump -m -objc-meta-data %p/Inputs/Objc1.32bit.exe.macho-i386 | FileCheck %s -check-prefix=OBJC1_32BIT_EXE
# RUN: llvm-objdump -m -objc-meta-data %p/Inputs/Objc1.32bit.obj.macho-i386 | FileCheck %s -check-prefix=OBJC1_32BIT_OBJ
# RUN: llvm-objdump -m -section __OBJC,__protocol %p/Inputs/Objc1.32bit.exe.macho-i386 | FileCheck %s -check-prefix=PROTOCOL
OBJC2_64BIT_EXE: Contents of (__DATA,__objc_classlist) section
OBJC2_64BIT_EXE: 0000000100002028 0x1000029f0
@ -898,3 +899,141 @@ OBJC1_32BIT_OBJ: protocols 0x00000000 (not in an __OBJC section)
OBJC1_32BIT_OBJ: Contents of (__OBJC,__image_info) section
OBJC1_32BIT_OBJ: version 0
OBJC1_32BIT_OBJ: flags 0x0 RR
PROTOCOL: Contents of (__OBJC,__protocol) section
PROTOCOL: Protocol 0x437c
PROTOCOL: isa 0x00003120
PROTOCOL: protocol_name 0x000025af NSObject
PROTOCOL: protocol_list 0x00000000 (not in an __OBJC section)
PROTOCOL: instance_methods 0x00004290
PROTOCOL: count 19
PROTOCOL: list[0]
PROTOCOL: name 0x00002de9 isEqual:
PROTOCOL: types 0x000026e7 c12@0:4@8
PROTOCOL: list[1]
PROTOCOL: name 0x00002df2 class
PROTOCOL: types 0x00002df8 #8@0:4
PROTOCOL: list[2]
PROTOCOL: name 0x00002dff self
PROTOCOL: types 0x00002e04 @8@0:4
PROTOCOL: list[3]
PROTOCOL: name 0x00002e0b performSelector:
PROTOCOL: types 0x00002e1c @12@0:4:8
PROTOCOL: list[4]
PROTOCOL: name 0x00002e26 performSelector:withObject:
PROTOCOL: types 0x00002e42 @16@0:4:8@12
PROTOCOL: list[5]
PROTOCOL: name 0x00002e4f performSelector:withObject:withObject:
PROTOCOL: types 0x00002e76 @20@0:4:8@12@16
PROTOCOL: list[6]
PROTOCOL: name 0x00002e86 isProxy
PROTOCOL: types 0x00002e8e c8@0:4
PROTOCOL: list[7]
PROTOCOL: name 0x00002e95 isKindOfClass:
PROTOCOL: types 0x00002ea4 c12@0:4#8
PROTOCOL: list[8]
PROTOCOL: name 0x00002eae isMemberOfClass:
PROTOCOL: types 0x00002ea4 c12@0:4#8
PROTOCOL: list[9]
PROTOCOL: name 0x00002ebf conformsToProtocol:
PROTOCOL: types 0x000026e7 c12@0:4@8
PROTOCOL: list[10]
PROTOCOL: name 0x00002ee7 respondsToSelector:
PROTOCOL: types 0x00002efb c12@0:4:8
PROTOCOL: list[11]
PROTOCOL: name 0x00002f05 retain
PROTOCOL: types 0x00002e04 @8@0:4
PROTOCOL: list[12]
PROTOCOL: name 0x00002f0c release
PROTOCOL: types 0x00002f14 Vv8@0:4
PROTOCOL: list[13]
PROTOCOL: name 0x00002f1c autorelease
PROTOCOL: types 0x00002e04 @8@0:4
PROTOCOL: list[14]
PROTOCOL: name 0x00002f28 retainCount
PROTOCOL: types 0x00002f34 I8@0:4
PROTOCOL: list[15]
PROTOCOL: name 0x00002f3b zone
PROTOCOL: types 0x00002f40 ^{_NSZone=}8@0:4
PROTOCOL: list[16]
PROTOCOL: name 0x00002f51 hash
PROTOCOL: types 0x00002f34 I8@0:4
PROTOCOL: list[17]
PROTOCOL: name 0x00002f56 superclass
PROTOCOL: types 0x00002df8 #8@0:4
PROTOCOL: list[18]
PROTOCOL: name 0x00002f61 description
PROTOCOL: types 0x00002e04 @8@0:4
PROTOCOL: class_methods 0x00000000 (not in an __OBJC section)
PROTOCOL: Protocol 0x4390
PROTOCOL: isa 0x000030b0
PROTOCOL: protocol_name 0x00002dd3 NSApplicationDelegate
PROTOCOL: protocol_list 0x000043a4
PROTOCOL: next 0x00000000
PROTOCOL: count 1
PROTOCOL: list[0] 0x0000437c
PROTOCOL: isa 0x00003120
PROTOCOL: protocol_name 0x000025af NSObject
PROTOCOL: protocol_list 0x00000000 (not in an __OBJC section)
PROTOCOL: instance_methods 0x00004290
PROTOCOL: count 19
PROTOCOL: list[0]
PROTOCOL: name 0x00002de9 isEqual:
PROTOCOL: types 0x000026e7 c12@0:4@8
PROTOCOL: list[1]
PROTOCOL: name 0x00002df2 class
PROTOCOL: types 0x00002df8 #8@0:4
PROTOCOL: list[2]
PROTOCOL: name 0x00002dff self
PROTOCOL: types 0x00002e04 @8@0:4
PROTOCOL: list[3]
PROTOCOL: name 0x00002e0b performSelector:
PROTOCOL: types 0x00002e1c @12@0:4:8
PROTOCOL: list[4]
PROTOCOL: name 0x00002e26 performSelector:withObject:
PROTOCOL: types 0x00002e42 @16@0:4:8@12
PROTOCOL: list[5]
PROTOCOL: name 0x00002e4f performSelector:withObject:withObject:
PROTOCOL: types 0x00002e76 @20@0:4:8@12@16
PROTOCOL: list[6]
PROTOCOL: name 0x00002e86 isProxy
PROTOCOL: types 0x00002e8e c8@0:4
PROTOCOL: list[7]
PROTOCOL: name 0x00002e95 isKindOfClass:
PROTOCOL: types 0x00002ea4 c12@0:4#8
PROTOCOL: list[8]
PROTOCOL: name 0x00002eae isMemberOfClass:
PROTOCOL: types 0x00002ea4 c12@0:4#8
PROTOCOL: list[9]
PROTOCOL: name 0x00002ebf conformsToProtocol:
PROTOCOL: types 0x000026e7 c12@0:4@8
PROTOCOL: list[10]
PROTOCOL: name 0x00002ee7 respondsToSelector:
PROTOCOL: types 0x00002efb c12@0:4:8
PROTOCOL: list[11]
PROTOCOL: name 0x00002f05 retain
PROTOCOL: types 0x00002e04 @8@0:4
PROTOCOL: list[12]
PROTOCOL: name 0x00002f0c release
PROTOCOL: types 0x00002f14 Vv8@0:4
PROTOCOL: list[13]
PROTOCOL: name 0x00002f1c autorelease
PROTOCOL: types 0x00002e04 @8@0:4
PROTOCOL: list[14]
PROTOCOL: name 0x00002f28 retainCount
PROTOCOL: types 0x00002f34 I8@0:4
PROTOCOL: list[15]
PROTOCOL: name 0x00002f3b zone
PROTOCOL: types 0x00002f40 ^{_NSZone=}8@0:4
PROTOCOL: list[16]
PROTOCOL: name 0x00002f51 hash
PROTOCOL: types 0x00002f34 I8@0:4
PROTOCOL: list[17]
PROTOCOL: name 0x00002f56 superclass
PROTOCOL: types 0x00002df8 #8@0:4
PROTOCOL: list[18]
PROTOCOL: name 0x00002f61 description
PROTOCOL: types 0x00002e04 @8@0:4
PROTOCOL: class_methods 0x00000000 (not in an __OBJC section)
PROTOCOL: instance_methods 0x00000000 (not in an __OBJC section)
PROTOCOL: class_methods 0x00000000 (not in an __OBJC section)

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@ -1025,6 +1025,8 @@ static void DumpRawSectionContents(MachOObjectFile *O, const char *sect,
static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
StringRef DisSegName, StringRef DisSectName);
static void DumpProtocolSection(MachOObjectFile *O, const char *sect,
uint32_t size, uint32_t addr);
static void DumpSectionContents(StringRef Filename, MachOObjectFile *O,
bool verbose) {
@ -1087,6 +1089,10 @@ static void DumpSectionContents(StringRef Filename, MachOObjectFile *O,
outs() << sect;
continue;
}
if (SegName == "__OBJC" && SectName == "__protocol") {
DumpProtocolSection(O, sect, sect_size, sect_addr);
continue;
}
switch (section_type) {
case MachO::S_REGULAR:
DumpRawSectionContents(O, sect, sect_size, sect_addr);
@ -5545,6 +5551,52 @@ static bool printObjc1_32bit_MetaData(MachOObjectFile *O, bool verbose) {
return true;
}
static void DumpProtocolSection(MachOObjectFile *O, const char *sect,
uint32_t size, uint32_t addr) {
SymbolAddressMap AddrMap;
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 = true;
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 char *p;
struct objc_protocol_t protocol;
uint32_t left, paddr;
for (p = sect; p < sect + size; p += sizeof(struct objc_protocol_t)) {
memset(&protocol, '\0', sizeof(struct objc_protocol_t));
left = size - (p - sect);
if (left < sizeof(struct objc_protocol_t)) {
outs() << "Protocol extends past end of __protocol section\n";
memcpy(&protocol, p, left);
} else
memcpy(&protocol, p, sizeof(struct objc_protocol_t));
if (O->isLittleEndian() != sys::IsLittleEndianHost)
swapStruct(protocol);
paddr = addr + (p - sect);
outs() << "Protocol " << format("0x%" PRIx32, paddr);
if (print_protocol(paddr, 0, &info))
outs() << "(not in an __OBJC section)\n";
}
}
static void printObjcMetaData(MachOObjectFile *O, bool verbose) {
if (O->is64Bit())
printObjc2_64bit_MetaData(O, verbose);