aboutsummaryrefslogtreecommitdiffstats
path: root/tools/llvm-objdump/MachODump.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'tools/llvm-objdump/MachODump.cpp')
-rw-r--r--tools/llvm-objdump/MachODump.cpp3021
1 files changed, 2998 insertions, 23 deletions
diff --git a/tools/llvm-objdump/MachODump.cpp b/tools/llvm-objdump/MachODump.cpp
index 86504e6..a491a37 100644
--- a/tools/llvm-objdump/MachODump.cpp
+++ b/tools/llvm-objdump/MachODump.cpp
@@ -99,6 +99,9 @@ cl::list<std::string>
cl::desc("Prints the specified segment,section for "
"Mach-O objects (requires -macho)"));
+cl::opt<bool> llvm::Raw("raw",
+ cl::desc("Have -section dump the raw binary contents"));
+
cl::opt<bool>
llvm::InfoPlist("info-plist",
cl::desc("Print the info plist section as strings for "
@@ -119,6 +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"));
@@ -127,7 +135,6 @@ static cl::opt<bool> NoSymbolicOperands(
"no-symbolic-operands",
cl::desc("do not symbolic operands when disassembling (requires -macho)"));
-
static cl::list<std::string>
ArchFlags("arch", cl::desc("architecture(s) from a Mach-O file to dump"),
cl::ZeroOrMore);
@@ -605,7 +612,8 @@ static void CreateSymbolAddressMap(MachOObjectFile *O,
Symbol.getAddress(Address);
StringRef SymName;
Symbol.getName(SymName);
- (*AddrMap)[Address] = SymName;
+ if (!SymName.startswith(".objc"))
+ (*AddrMap)[Address] = SymName;
}
}
}
@@ -1017,6 +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) {
@@ -1043,8 +1053,7 @@ static void DumpSectionContents(StringRef Filename, MachOObjectFile *O,
StringRef SegName = O->getSectionFinalSegmentName(Ref);
if ((DumpSegName.empty() || SegName == DumpSegName) &&
(SectName == DumpSectName)) {
- outs() << "Contents of (" << SegName << "," << SectName
- << ") section\n";
+
uint32_t section_flags;
if (O->is64Bit()) {
const MachO::section_64 Sec = O->getSection64(Ref);
@@ -1062,6 +1071,14 @@ static void DumpSectionContents(StringRef Filename, MachOObjectFile *O,
uint32_t sect_size = BytesStr.size();
uint64_t sect_addr = Section.getAddress();
+ if (Raw) {
+ outs().write(BytesStr.data(), BytesStr.size());
+ continue;
+ }
+
+ outs() << "Contents of (" << SegName << "," << SectName
+ << ") section\n";
+
if (verbose) {
if ((section_flags & MachO::S_ATTR_PURE_INSTRUCTIONS) ||
(section_flags & MachO::S_ATTR_SOME_INSTRUCTIONS)) {
@@ -1072,6 +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);
@@ -1089,8 +1110,8 @@ static void DumpSectionContents(StringRef Filename, MachOObjectFile *O,
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);
@@ -1169,6 +1190,8 @@ static bool checkMachOAndArchFlags(ObjectFile *O, StringRef Filename) {
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
@@ -1181,7 +1204,8 @@ static void ProcessMachO(StringRef Filename, MachOObjectFile *MachOOF,
// UniversalHeaders or ArchiveHeaders.
if (Disassemble || PrivateHeaders || ExportsTrie || Rebase || Bind ||
LazyBind || WeakBind || IndirectSymbols || DataInCode || LinkOptHints ||
- DylibsUsed || DylibId || DumpSections.size() != 0) {
+ DylibsUsed || DylibId || ObjcMetaData ||
+ (DumpSections.size() != 0 && !Raw)) {
outs() << Filename;
if (!ArchiveMemberName.empty())
outs() << '(' << ArchiveMemberName << ')';
@@ -1218,6 +1242,8 @@ static void ProcessMachO(StringRef Filename, MachOObjectFile *MachOOF,
printMachOUnwindInfo(MachOOF);
if (PrivateHeaders)
printMachOFileHeader(MachOOF);
+ if (ObjcMetaData)
+ printObjcMetaData(MachOOF, !NonVerbose);
if (ExportsTrie)
printExportsTrie(MachOOF);
if (Rebase)
@@ -2385,13 +2411,22 @@ static uint64_t GuessPointerPointer(uint64_t ReferenceValue,
// section nullptr is returned.
static const char *get_pointer_64(uint64_t Address, uint32_t &offset,
uint32_t &left, SectionRef &S,
- DisassembleInfo *info) {
+ DisassembleInfo *info,
+ bool objc_only = false) {
offset = 0;
left = 0;
S = SectionRef();
for (unsigned SectIdx = 0; SectIdx != info->Sections->size(); SectIdx++) {
uint64_t SectAddress = ((*(info->Sections))[SectIdx]).getAddress();
uint64_t SectSize = ((*(info->Sections))[SectIdx]).getSize();
+ if (objc_only) {
+ StringRef SectName;
+ ((*(info->Sections))[SectIdx]).getName(SectName);
+ DataRefImpl Ref = ((*(info->Sections))[SectIdx]).getRawDataRefImpl();
+ StringRef SegName = info->O->getSectionFinalSegmentName(Ref);
+ if (SegName != "__OBJC" && SectName != "__cstring")
+ continue;
+ }
if (Address >= SectAddress && Address < SectAddress + SectSize) {
S = (*(info->Sections))[SectIdx];
offset = Address - SectAddress;
@@ -2404,11 +2439,22 @@ static const char *get_pointer_64(uint64_t Address, uint32_t &offset,
return nullptr;
}
+static const char *get_pointer_32(uint32_t Address, uint32_t &offset,
+ uint32_t &left, SectionRef &S,
+ DisassembleInfo *info,
+ bool objc_only = false) {
+ return get_pointer_64(Address, offset, left, S, info, objc_only);
+}
+
// 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.
-static const char *get_symbol_64(uint32_t sect_offset, SectionRef S,
- DisassembleInfo *info, uint64_t &n_value) {
+// 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,
+ uint64_t ReferenceValue = UnknownAddressOrSize) {
n_value = 0;
if (!info->verbose)
return nullptr;
@@ -2442,6 +2488,8 @@ static const char *get_symbol_64(uint32_t sect_offset, SectionRef S,
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()) {
@@ -2459,17 +2507,21 @@ static const char *get_symbol_64(uint32_t sect_offset, SectionRef S,
//
// 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 != UnknownAddressOrSize)
+ SymbolName = GuessSymbolName(ReferenceValue, info->AddrMap);
return SymbolName;
}
+static const char *get_symbol_32(uint32_t sect_offset, SectionRef S,
+ DisassembleInfo *info,
+ uint32_t ReferenceValue) {
+ uint64_t n_value64;
+ return get_symbol_64(sect_offset, S, info, n_value64, ReferenceValue);
+}
+
// These are structs in the Objective-C meta data and read to produce the
// comments for disassembly. While these are part of the ABI they are no
// public defintions. So the are here not in include/llvm/Support/MachO.h .
@@ -2491,6 +2543,14 @@ struct class64_t {
uint64_t data; // class_ro64_t * (64-bit pointer)
};
+struct class32_t {
+ uint32_t isa; /* class32_t * (32-bit pointer) */
+ uint32_t superclass; /* class32_t * (32-bit pointer) */
+ uint32_t cache; /* Cache (32-bit pointer) */
+ uint32_t vtable; /* IMP * (32-bit pointer) */
+ uint32_t data; /* class_ro32_t * (32-bit pointer) */
+};
+
struct class_ro64_t {
uint32_t flags;
uint32_t instanceStart;
@@ -2505,6 +2565,276 @@ struct class_ro64_t {
uint64_t baseProperties; // const struct objc_property_list (64-bit pointer)
};
+struct class_ro32_t {
+ uint32_t flags;
+ uint32_t instanceStart;
+ uint32_t instanceSize;
+ uint32_t ivarLayout; /* const uint8_t * (32-bit pointer) */
+ uint32_t name; /* const char * (32-bit pointer) */
+ uint32_t baseMethods; /* const method_list_t * (32-bit pointer) */
+ uint32_t baseProtocols; /* const protocol_list_t * (32-bit pointer) */
+ uint32_t ivars; /* const ivar_list_t * (32-bit pointer) */
+ uint32_t weakIvarLayout; /* const uint8_t * (32-bit pointer) */
+ uint32_t baseProperties; /* const struct objc_property_list *
+ (32-bit pointer) */
+};
+
+/* Values for class_ro{64,32}_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 method_list32_t {
+ uint32_t entsize;
+ uint32_t count;
+ /* struct method32_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 method32_t {
+ uint32_t name; /* SEL (32-bit pointer) */
+ uint32_t types; /* const char * (32-bit pointer) */
+ uint32_t imp; /* IMP (32-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 protocol_list32_t {
+ uint32_t count; /* uintptr_t (a 32-bit value) */
+ /* struct protocol32_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 protocol32_t {
+ uint32_t isa; /* id * (32-bit pointer) */
+ uint32_t name; /* const char * (32-bit pointer) */
+ uint32_t protocols; /* struct protocol_list_t *
+ (32-bit pointer) */
+ uint32_t instanceMethods; /* method_list_t * (32-bit pointer) */
+ uint32_t classMethods; /* method_list_t * (32-bit pointer) */
+ uint32_t optionalInstanceMethods; /* method_list_t * (32-bit pointer) */
+ uint32_t optionalClassMethods; /* method_list_t * (32-bit pointer) */
+ uint32_t instanceProperties; /* struct objc_property_list *
+ (32-bit pointer) */
+};
+
+struct ivar_list64_t {
+ uint32_t entsize;
+ uint32_t count;
+ /* struct ivar64_t first; These structures follow inline */
+};
+
+struct ivar_list32_t {
+ uint32_t entsize;
+ uint32_t count;
+ /* struct ivar32_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 ivar32_t {
+ uint32_t offset; /* uintptr_t * (32-bit pointer) */
+ uint32_t name; /* const char * (32-bit pointer) */
+ uint32_t type; /* const char * (32-bit pointer) */
+ uint32_t alignment;
+ uint32_t size;
+};
+
+struct objc_property_list64 {
+ uint32_t entsize;
+ uint32_t count;
+ /* struct objc_property64 first; These structures follow inline */
+};
+
+struct objc_property_list32 {
+ uint32_t entsize;
+ uint32_t count;
+ /* struct objc_property32 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 objc_property32 {
+ uint32_t name; /* const char * (32-bit pointer) */
+ uint32_t attributes; /* const char * (32-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 category32_t {
+ uint32_t name; /* const char * (32-bit pointer) */
+ uint32_t cls; /* struct class_t * (32-bit pointer) */
+ uint32_t instanceMethods; /* struct method_list_t * (32-bit pointer) */
+ uint32_t classMethods; /* struct method_list_t * (32-bit pointer) */
+ uint32_t protocols; /* struct protocol_list_t * (32-bit pointer) */
+ uint32_t instanceProperties; /* struct objc_property_list *
+ (32-bit pointer) */
+};
+
+struct objc_image_info64 {
+ uint32_t version;
+ uint32_t flags;
+};
+struct objc_image_info32 {
+ uint32_t version;
+ uint32_t flags;
+};
+struct imageInfo_t {
+ 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) */
+};
+
+struct message_ref32 {
+ uint32_t imp; /* IMP (32-bit pointer) */
+ uint32_t sel; /* SEL (32-bit pointer) */
+};
+
+// Objective-C 1 (32-bit only) meta data structs.
+
+struct objc_module_t {
+ uint32_t version;
+ uint32_t size;
+ uint32_t name; /* char * (32-bit pointer) */
+ uint32_t symtab; /* struct objc_symtab * (32-bit pointer) */
+};
+
+struct objc_symtab_t {
+ uint32_t sel_ref_cnt;
+ uint32_t refs; /* SEL * (32-bit pointer) */
+ uint16_t cls_def_cnt;
+ uint16_t cat_def_cnt;
+ // uint32_t defs[1]; /* void * (32-bit pointer) variable size */
+};
+
+struct objc_class_t {
+ uint32_t isa; /* struct objc_class * (32-bit pointer) */
+ uint32_t super_class; /* struct objc_class * (32-bit pointer) */
+ uint32_t name; /* const char * (32-bit pointer) */
+ int32_t version;
+ int32_t info;
+ int32_t instance_size;
+ uint32_t ivars; /* struct objc_ivar_list * (32-bit pointer) */
+ uint32_t methodLists; /* struct objc_method_list ** (32-bit pointer) */
+ uint32_t cache; /* struct objc_cache * (32-bit pointer) */
+ uint32_t protocols; /* struct objc_protocol_list * (32-bit pointer) */
+};
+
+#define CLS_GETINFO(cls, infomask) ((cls)->info & (infomask))
+// class is not a metaclass
+#define CLS_CLASS 0x1
+// class is a metaclass
+#define CLS_META 0x2
+
+struct objc_category_t {
+ uint32_t category_name; /* char * (32-bit pointer) */
+ uint32_t class_name; /* char * (32-bit pointer) */
+ uint32_t instance_methods; /* struct objc_method_list * (32-bit pointer) */
+ uint32_t class_methods; /* struct objc_method_list * (32-bit pointer) */
+ uint32_t protocols; /* struct objc_protocol_list * (32-bit ptr) */
+};
+
+struct objc_ivar_t {
+ uint32_t ivar_name; /* char * (32-bit pointer) */
+ uint32_t ivar_type; /* char * (32-bit pointer) */
+ int32_t ivar_offset;
+};
+
+struct objc_ivar_list_t {
+ int32_t ivar_count;
+ // struct objc_ivar_t ivar_list[1]; /* variable length structure */
+};
+
+struct objc_method_list_t {
+ uint32_t obsolete; /* struct objc_method_list * (32-bit pointer) */
+ int32_t method_count;
+ // struct objc_method_t method_list[1]; /* variable length structure */
+};
+
+struct objc_method_t {
+ uint32_t method_name; /* SEL, aka struct objc_selector * (32-bit pointer) */
+ uint32_t method_types; /* char * (32-bit pointer) */
+ uint32_t method_imp; /* IMP, aka function pointer, (*IMP)(id, SEL, ...)
+ (32-bit pointer) */
+};
+
+struct objc_protocol_list_t {
+ uint32_t next; /* struct objc_protocol_list * (32-bit pointer) */
+ int32_t count;
+ // uint32_t list[1]; /* Protocol *, aka struct objc_protocol_t *
+ // (32-bit pointer) */
+};
+
+struct objc_protocol_t {
+ uint32_t isa; /* struct objc_class * (32-bit pointer) */
+ uint32_t protocol_name; /* char * (32-bit pointer) */
+ uint32_t protocol_list; /* struct objc_protocol_list * (32-bit pointer) */
+ uint32_t instance_methods; /* struct objc_method_description_list *
+ (32-bit pointer) */
+ uint32_t class_methods; /* struct objc_method_description_list *
+ (32-bit pointer) */
+};
+
+struct objc_method_description_list_t {
+ int32_t count;
+ // struct objc_method_description_t list[1];
+};
+
+struct objc_method_description_t {
+ uint32_t name; /* SEL, aka struct objc_selector * (32-bit pointer) */
+ uint32_t types; /* char * (32-bit pointer) */
+};
+
inline void swapStruct(struct cfstring64_t &cfs) {
sys::swapByteOrder(cfs.isa);
sys::swapByteOrder(cfs.flags);
@@ -2520,6 +2850,14 @@ inline void swapStruct(struct class64_t &c) {
sys::swapByteOrder(c.data);
}
+inline void swapStruct(struct class32_t &c) {
+ sys::swapByteOrder(c.isa);
+ sys::swapByteOrder(c.superclass);
+ sys::swapByteOrder(c.cache);
+ sys::swapByteOrder(c.vtable);
+ sys::swapByteOrder(c.data);
+}
+
inline void swapStruct(struct class_ro64_t &cro) {
sys::swapByteOrder(cro.flags);
sys::swapByteOrder(cro.instanceStart);
@@ -2534,6 +2872,238 @@ inline void swapStruct(struct class_ro64_t &cro) {
sys::swapByteOrder(cro.baseProperties);
}
+inline void swapStruct(struct class_ro32_t &cro) {
+ sys::swapByteOrder(cro.flags);
+ sys::swapByteOrder(cro.instanceStart);
+ sys::swapByteOrder(cro.instanceSize);
+ sys::swapByteOrder(cro.ivarLayout);
+ sys::swapByteOrder(cro.name);
+ sys::swapByteOrder(cro.baseMethods);
+ sys::swapByteOrder(cro.baseProtocols);
+ sys::swapByteOrder(cro.ivars);
+ sys::swapByteOrder(cro.weakIvarLayout);
+ sys::swapByteOrder(cro.baseProperties);
+}
+
+inline void swapStruct(struct method_list64_t &ml) {
+ sys::swapByteOrder(ml.entsize);
+ sys::swapByteOrder(ml.count);
+}
+
+inline void swapStruct(struct method_list32_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 method32_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 protocol_list32_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 protocol32_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 ivar_list32_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 ivar32_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_property_list32 &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 objc_property32 &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 category32_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 objc_image_info32 &o) {
+ sys::swapByteOrder(o.version);
+ sys::swapByteOrder(o.flags);
+}
+
+inline void swapStruct(struct imageInfo_t &o) {
+ sys::swapByteOrder(o.version);
+ sys::swapByteOrder(o.flags);
+}
+
+inline void swapStruct(struct message_ref64 &mr) {
+ sys::swapByteOrder(mr.imp);
+ sys::swapByteOrder(mr.sel);
+}
+
+inline void swapStruct(struct message_ref32 &mr) {
+ sys::swapByteOrder(mr.imp);
+ sys::swapByteOrder(mr.sel);
+}
+
+inline void swapStruct(struct objc_module_t &module) {
+ sys::swapByteOrder(module.version);
+ sys::swapByteOrder(module.size);
+ sys::swapByteOrder(module.name);
+ sys::swapByteOrder(module.symtab);
+}
+
+inline void swapStruct(struct objc_symtab_t &symtab) {
+ sys::swapByteOrder(symtab.sel_ref_cnt);
+ sys::swapByteOrder(symtab.refs);
+ sys::swapByteOrder(symtab.cls_def_cnt);
+ sys::swapByteOrder(symtab.cat_def_cnt);
+}
+
+inline void swapStruct(struct objc_class_t &objc_class) {
+ sys::swapByteOrder(objc_class.isa);
+ sys::swapByteOrder(objc_class.super_class);
+ sys::swapByteOrder(objc_class.name);
+ sys::swapByteOrder(objc_class.version);
+ sys::swapByteOrder(objc_class.info);
+ sys::swapByteOrder(objc_class.instance_size);
+ sys::swapByteOrder(objc_class.ivars);
+ sys::swapByteOrder(objc_class.methodLists);
+ sys::swapByteOrder(objc_class.cache);
+ sys::swapByteOrder(objc_class.protocols);
+}
+
+inline void swapStruct(struct objc_category_t &objc_category) {
+ sys::swapByteOrder(objc_category.category_name);
+ sys::swapByteOrder(objc_category.class_name);
+ sys::swapByteOrder(objc_category.instance_methods);
+ sys::swapByteOrder(objc_category.class_methods);
+ sys::swapByteOrder(objc_category.protocols);
+}
+
+inline void swapStruct(struct objc_ivar_list_t &objc_ivar_list) {
+ sys::swapByteOrder(objc_ivar_list.ivar_count);
+}
+
+inline void swapStruct(struct objc_ivar_t &objc_ivar) {
+ sys::swapByteOrder(objc_ivar.ivar_name);
+ sys::swapByteOrder(objc_ivar.ivar_type);
+ sys::swapByteOrder(objc_ivar.ivar_offset);
+}
+
+inline void swapStruct(struct objc_method_list_t &method_list) {
+ sys::swapByteOrder(method_list.obsolete);
+ sys::swapByteOrder(method_list.method_count);
+}
+
+inline void swapStruct(struct objc_method_t &method) {
+ sys::swapByteOrder(method.method_name);
+ sys::swapByteOrder(method.method_types);
+ sys::swapByteOrder(method.method_imp);
+}
+
+inline void swapStruct(struct objc_protocol_list_t &protocol_list) {
+ sys::swapByteOrder(protocol_list.next);
+ sys::swapByteOrder(protocol_list.count);
+}
+
+inline void swapStruct(struct objc_protocol_t &protocol) {
+ sys::swapByteOrder(protocol.isa);
+ sys::swapByteOrder(protocol.protocol_name);
+ sys::swapByteOrder(protocol.protocol_list);
+ sys::swapByteOrder(protocol.instance_methods);
+ sys::swapByteOrder(protocol.class_methods);
+}
+
+inline void swapStruct(struct objc_method_description_list_t &mdl) {
+ sys::swapByteOrder(mdl.count);
+}
+
+inline void swapStruct(struct objc_method_description_t &md) {
+ sys::swapByteOrder(md.name);
+ sys::swapByteOrder(md.types);
+}
+
static const char *get_dyld_bind_info_symbolname(uint64_t ReferenceValue,
struct DisassembleInfo *info);
@@ -2642,6 +3212,2411 @@ static uint64_t get_objc2_64bit_selref(uint64_t ReferenceValue,
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
+walk_pointer_list_32(const char *listname, const SectionRef S,
+ MachOObjectFile *O, struct DisassembleInfo *info,
+ void (*func)(uint32_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(uint32_t)) {
+ uint32_t left = S.getSize() - i;
+ uint32_t size = left < sizeof(uint32_t) ? left : sizeof(uint32_t);
+ uint32_t p = 0;
+ memcpy(&p, Contents + i, size);
+ if (i + sizeof(uint32_t) > S.getSize())
+ outs() << listname << " list pointer extends past end of (" << SegName
+ << "," << SectName << ") section\n";
+ uint32_t Address = S.getAddress() + i;
+ outs() << format("%08" PRIx32, Address) << " ";
+
+ if (O->isLittleEndian() != sys::IsLittleEndianHost)
+ sys::swapByteOrder(p);
+ outs() << format("0x%" PRIx32, p);
+
+ const char *name = get_symbol_32(i, S, info, p);
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ if (func)
+ func(p, info);
+ }
+}
+
+static void print_layout_map(const char *layout_map, uint32_t left) {
+ 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_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);
+ print_layout_map(layout_map, left);
+}
+
+static void print_layout_map32(uint32_t p, struct DisassembleInfo *info) {
+ uint32_t offset, left;
+ SectionRef S;
+ const char *layout_map;
+
+ if (p == 0)
+ return;
+ layout_map = get_pointer_32(p, offset, left, S, info);
+ print_layout_map(layout_map, left);
+}
+
+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_method_list32_t(uint64_t p, struct DisassembleInfo *info,
+ const char *indent) {
+ struct method_list32_t ml;
+ struct method32_t m;
+ const char *r, *name;
+ uint32_t offset, xoffset, left, i;
+ SectionRef S, xS;
+
+ r = get_pointer_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&ml, '\0', sizeof(struct method_list32_t));
+ if (left < sizeof(struct method_list32_t)) {
+ memcpy(&ml, r, left);
+ outs() << " (method_list_t entends past the end of the section)\n";
+ } else
+ memcpy(&ml, r, sizeof(struct method_list32_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_list32_t);
+ offset += sizeof(struct method_list32_t);
+ for (i = 0; i < ml.count; i++) {
+ r = get_pointer_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&m, '\0', sizeof(struct method32_t));
+ if (left < sizeof(struct method32_t)) {
+ memcpy(&ml, r, left);
+ outs() << indent << " (method_t entends past the end of the section)\n";
+ } else
+ memcpy(&m, r, sizeof(struct method32_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(m);
+
+ outs() << indent << "\t\t name " << format("0x%" PRIx32, m.name);
+ name = get_pointer_32(m.name, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ outs() << indent << "\t\t types " << format("0x%" PRIx32, m.types);
+ name = get_pointer_32(m.types, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ outs() << indent << "\t\t imp " << format("0x%" PRIx32, m.imp);
+ name = get_symbol_32(offset + offsetof(struct method32_t, imp), S, info,
+ m.imp);
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ p += sizeof(struct method32_t);
+ offset += sizeof(struct method32_t);
+ }
+}
+
+static bool print_method_list(uint32_t p, struct DisassembleInfo *info) {
+ uint32_t offset, left, xleft;
+ SectionRef S;
+ struct objc_method_list_t method_list;
+ struct objc_method_t method;
+ const char *r, *methods, *name, *SymbolName;
+ int32_t i;
+
+ r = get_pointer_32(p, offset, left, S, info, true);
+ if (r == nullptr)
+ return true;
+
+ outs() << "\n";
+ if (left > sizeof(struct objc_method_list_t)) {
+ memcpy(&method_list, r, sizeof(struct objc_method_list_t));
+ } else {
+ outs() << "\t\t objc_method_list extends past end of the section\n";
+ memset(&method_list, '\0', sizeof(struct objc_method_list_t));
+ memcpy(&method_list, r, left);
+ }
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(method_list);
+
+ outs() << "\t\t obsolete "
+ << format("0x%08" PRIx32, method_list.obsolete) << "\n";
+ outs() << "\t\t method_count " << method_list.method_count << "\n";
+
+ methods = r + sizeof(struct objc_method_list_t);
+ for (i = 0; i < method_list.method_count; i++) {
+ if ((i + 1) * sizeof(struct objc_method_t) > left) {
+ outs() << "\t\t remaining method's extend past the of the section\n";
+ break;
+ }
+ memcpy(&method, methods + i * sizeof(struct objc_method_t),
+ sizeof(struct objc_method_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(method);
+
+ outs() << "\t\t method_name "
+ << format("0x%08" PRIx32, method.method_name);
+ if (info->verbose) {
+ name = get_pointer_32(method.method_name, offset, xleft, S, info, true);
+ if (name != nullptr)
+ outs() << format(" %.*s", xleft, name);
+ else
+ outs() << " (not in an __OBJC section)";
+ }
+ outs() << "\n";
+
+ outs() << "\t\t method_types "
+ << format("0x%08" PRIx32, method.method_types);
+ if (info->verbose) {
+ name = get_pointer_32(method.method_types, offset, xleft, S, info, true);
+ if (name != nullptr)
+ outs() << format(" %.*s", xleft, name);
+ else
+ outs() << " (not in an __OBJC section)";
+ }
+ outs() << "\n";
+
+ outs() << "\t\t method_imp "
+ << format("0x%08" PRIx32, method.method_imp) << " ";
+ if (info->verbose) {
+ SymbolName = GuessSymbolName(method.method_imp, info->AddrMap);
+ if (SymbolName != nullptr)
+ outs() << SymbolName;
+ }
+ outs() << "\n";
+ }
+ return false;
+}
+
+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_protocol_list32_t(uint32_t p, struct DisassembleInfo *info) {
+ struct protocol_list32_t pl;
+ uint32_t q;
+ struct protocol32_t pc;
+ const char *r;
+ uint32_t offset, xoffset, left, i;
+ SectionRef S, xS;
+ const char *name;
+
+ r = get_pointer_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&pl, '\0', sizeof(struct protocol_list32_t));
+ if (left < sizeof(struct protocol_list32_t)) {
+ memcpy(&pl, r, left);
+ outs() << " (protocol_list_t entends past the end of the section)\n";
+ } else
+ memcpy(&pl, r, sizeof(struct protocol_list32_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(pl);
+ outs() << " count " << pl.count << "\n";
+
+ p += sizeof(struct protocol_list32_t);
+ offset += sizeof(struct protocol_list32_t);
+ for (i = 0; i < pl.count; i++) {
+ r = get_pointer_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ q = 0;
+ if (left < sizeof(uint32_t)) {
+ memcpy(&q, r, left);
+ outs() << " (protocol_t * entends past the end of the section)\n";
+ } else
+ memcpy(&q, r, sizeof(uint32_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ sys::swapByteOrder(q);
+ outs() << "\t\t list[" << i << "] " << format("0x%" PRIx32, q)
+ << " (struct protocol_t *)\n";
+ r = get_pointer_32(q, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&pc, '\0', sizeof(struct protocol32_t));
+ if (left < sizeof(struct protocol32_t)) {
+ memcpy(&pc, r, left);
+ outs() << " (protocol_t entends past the end of the section)\n";
+ } else
+ memcpy(&pc, r, sizeof(struct protocol32_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(pc);
+ outs() << "\t\t\t isa " << format("0x%" PRIx32, pc.isa) << "\n";
+ outs() << "\t\t\t name " << format("0x%" PRIx32, pc.name);
+ name = get_pointer_32(pc.name, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+ outs() << "\t\t\tprotocols " << format("0x%" PRIx32, pc.protocols) << "\n";
+ outs() << "\t\t instanceMethods "
+ << format("0x%" PRIx32, pc.instanceMethods)
+ << " (struct method_list_t *)\n";
+ if (pc.instanceMethods != 0)
+ print_method_list32_t(pc.instanceMethods, info, "\t");
+ outs() << "\t\t classMethods " << format("0x%" PRIx32, pc.classMethods)
+ << " (struct method_list_t *)\n";
+ if (pc.classMethods != 0)
+ print_method_list32_t(pc.classMethods, info, "\t");
+ outs() << "\t optionalInstanceMethods "
+ << format("0x%" PRIx32, pc.optionalInstanceMethods) << "\n";
+ outs() << "\t optionalClassMethods "
+ << format("0x%" PRIx32, pc.optionalClassMethods) << "\n";
+ outs() << "\t instanceProperties "
+ << format("0x%" PRIx32, pc.instanceProperties) << "\n";
+ p += sizeof(uint32_t);
+ offset += sizeof(uint32_t);
+ }
+}
+
+static void print_indent(uint32_t indent) {
+ for (uint32_t i = 0; i < indent;) {
+ if (indent - i >= 8) {
+ outs() << "\t";
+ i += 8;
+ } else {
+ for (uint32_t j = i; j < indent; j++)
+ outs() << " ";
+ return;
+ }
+ }
+}
+
+static bool print_method_description_list(uint32_t p, uint32_t indent,
+ struct DisassembleInfo *info) {
+ uint32_t offset, left, xleft;
+ SectionRef S;
+ struct objc_method_description_list_t mdl;
+ struct objc_method_description_t md;
+ const char *r, *list, *name;
+ int32_t i;
+
+ r = get_pointer_32(p, offset, left, S, info, true);
+ if (r == nullptr)
+ return true;
+
+ outs() << "\n";
+ if (left > sizeof(struct objc_method_description_list_t)) {
+ memcpy(&mdl, r, sizeof(struct objc_method_description_list_t));
+ } else {
+ print_indent(indent);
+ outs() << " objc_method_description_list extends past end of the section\n";
+ memset(&mdl, '\0', sizeof(struct objc_method_description_list_t));
+ memcpy(&mdl, r, left);
+ }
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(mdl);
+
+ print_indent(indent);
+ outs() << " count " << mdl.count << "\n";
+
+ list = r + sizeof(struct objc_method_description_list_t);
+ for (i = 0; i < mdl.count; i++) {
+ if ((i + 1) * sizeof(struct objc_method_description_t) > left) {
+ print_indent(indent);
+ outs() << " remaining list entries extend past the of the section\n";
+ break;
+ }
+ print_indent(indent);
+ outs() << " list[" << i << "]\n";
+ memcpy(&md, list + i * sizeof(struct objc_method_description_t),
+ sizeof(struct objc_method_description_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(md);
+
+ print_indent(indent);
+ outs() << " name " << format("0x%08" PRIx32, md.name);
+ if (info->verbose) {
+ name = get_pointer_32(md.name, offset, xleft, S, info, true);
+ if (name != nullptr)
+ outs() << format(" %.*s", xleft, name);
+ else
+ outs() << " (not in an __OBJC section)";
+ }
+ outs() << "\n";
+
+ print_indent(indent);
+ outs() << " types " << format("0x%08" PRIx32, md.types);
+ if (info->verbose) {
+ name = get_pointer_32(md.types, offset, xleft, S, info, true);
+ if (name != nullptr)
+ outs() << format(" %.*s", xleft, name);
+ else
+ outs() << " (not in an __OBJC section)";
+ }
+ outs() << "\n";
+ }
+ return false;
+}
+
+static bool print_protocol_list(uint32_t p, uint32_t indent,
+ struct DisassembleInfo *info);
+
+static bool print_protocol(uint32_t p, uint32_t indent,
+ struct DisassembleInfo *info) {
+ uint32_t offset, left;
+ SectionRef S;
+ struct objc_protocol_t protocol;
+ const char *r, *name;
+
+ r = get_pointer_32(p, offset, left, S, info, true);
+ if (r == nullptr)
+ return true;
+
+ outs() << "\n";
+ if (left >= sizeof(struct objc_protocol_t)) {
+ memcpy(&protocol, r, sizeof(struct objc_protocol_t));
+ } else {
+ print_indent(indent);
+ outs() << " Protocol extends past end of the section\n";
+ memset(&protocol, '\0', sizeof(struct objc_protocol_t));
+ memcpy(&protocol, r, left);
+ }
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(protocol);
+
+ print_indent(indent);
+ outs() << " isa " << format("0x%08" PRIx32, protocol.isa)
+ << "\n";
+
+ print_indent(indent);
+ outs() << " protocol_name "
+ << format("0x%08" PRIx32, protocol.protocol_name);
+ if (info->verbose) {
+ name = get_pointer_32(protocol.protocol_name, offset, left, S, info, true);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ else
+ outs() << " (not in an __OBJC section)";
+ }
+ outs() << "\n";
+
+ print_indent(indent);
+ outs() << " protocol_list "
+ << format("0x%08" PRIx32, protocol.protocol_list);
+ if (print_protocol_list(protocol.protocol_list, indent + 4, info))
+ outs() << " (not in an __OBJC section)\n";
+
+ print_indent(indent);
+ outs() << " instance_methods "
+ << format("0x%08" PRIx32, protocol.instance_methods);
+ if (print_method_description_list(protocol.instance_methods, indent, info))
+ outs() << " (not in an __OBJC section)\n";
+
+ print_indent(indent);
+ outs() << " class_methods "
+ << format("0x%08" PRIx32, protocol.class_methods);
+ if (print_method_description_list(protocol.class_methods, indent, info))
+ outs() << " (not in an __OBJC section)\n";
+
+ return false;
+}
+
+static bool print_protocol_list(uint32_t p, uint32_t indent,
+ struct DisassembleInfo *info) {
+ uint32_t offset, left, l;
+ SectionRef S;
+ struct objc_protocol_list_t protocol_list;
+ const char *r, *list;
+ int32_t i;
+
+ r = get_pointer_32(p, offset, left, S, info, true);
+ if (r == nullptr)
+ return true;
+
+ outs() << "\n";
+ if (left > sizeof(struct objc_protocol_list_t)) {
+ memcpy(&protocol_list, r, sizeof(struct objc_protocol_list_t));
+ } else {
+ outs() << "\t\t objc_protocol_list_t extends past end of the section\n";
+ memset(&protocol_list, '\0', sizeof(struct objc_protocol_list_t));
+ memcpy(&protocol_list, r, left);
+ }
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(protocol_list);
+
+ print_indent(indent);
+ outs() << " next " << format("0x%08" PRIx32, protocol_list.next)
+ << "\n";
+ print_indent(indent);
+ outs() << " count " << protocol_list.count << "\n";
+
+ list = r + sizeof(struct objc_protocol_list_t);
+ for (i = 0; i < protocol_list.count; i++) {
+ if ((i + 1) * sizeof(uint32_t) > left) {
+ outs() << "\t\t remaining list entries extend past the of the section\n";
+ break;
+ }
+ memcpy(&l, list + i * sizeof(uint32_t), sizeof(uint32_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ sys::swapByteOrder(l);
+
+ print_indent(indent);
+ outs() << " list[" << i << "] " << format("0x%08" PRIx32, l);
+ if (print_protocol(l, indent, info))
+ outs() << "(not in an __OBJC section)\n";
+ }
+ return false;
+}
+
+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_ivar_list32_t(uint32_t p, struct DisassembleInfo *info) {
+ struct ivar_list32_t il;
+ struct ivar32_t i;
+ const char *r;
+ uint32_t offset, xoffset, left, j;
+ SectionRef S, xS;
+ const char *name, *ivar_offset_p;
+ uint32_t ivar_offset;
+
+ r = get_pointer_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&il, '\0', sizeof(struct ivar_list32_t));
+ if (left < sizeof(struct ivar_list32_t)) {
+ memcpy(&il, r, left);
+ outs() << " (ivar_list_t entends past the end of the section)\n";
+ } else
+ memcpy(&il, r, sizeof(struct ivar_list32_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(il);
+ outs() << " entsize " << il.entsize << "\n";
+ outs() << " count " << il.count << "\n";
+
+ p += sizeof(struct ivar_list32_t);
+ offset += sizeof(struct ivar_list32_t);
+ for (j = 0; j < il.count; j++) {
+ r = get_pointer_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&i, '\0', sizeof(struct ivar32_t));
+ if (left < sizeof(struct ivar32_t)) {
+ memcpy(&i, r, left);
+ outs() << " (ivar_t entends past the end of the section)\n";
+ } else
+ memcpy(&i, r, sizeof(struct ivar32_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(i);
+
+ outs() << "\t\t\t offset " << format("0x%" PRIx32, i.offset);
+ ivar_offset_p = get_pointer_32(i.offset, 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 " << format("0x%" PRIx32, i.name);
+ name = get_pointer_32(i.name, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ outs() << "\t\t\t type " << format("0x%" PRIx32, i.type);
+ name = get_pointer_32(i.type, xoffset, left, xS, info);
+ 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 ivar32_t);
+ offset += sizeof(struct ivar32_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_objc_property_list32(uint32_t p,
+ struct DisassembleInfo *info) {
+ struct objc_property_list32 opl;
+ struct objc_property32 op;
+ const char *r;
+ uint32_t offset, xoffset, left, j;
+ SectionRef S, xS;
+ const char *name;
+
+ r = get_pointer_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&opl, '\0', sizeof(struct objc_property_list32));
+ if (left < sizeof(struct objc_property_list32)) {
+ memcpy(&opl, r, left);
+ outs() << " (objc_property_list entends past the end of the section)\n";
+ } else
+ memcpy(&opl, r, sizeof(struct objc_property_list32));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(opl);
+ outs() << " entsize " << opl.entsize << "\n";
+ outs() << " count " << opl.count << "\n";
+
+ p += sizeof(struct objc_property_list32);
+ offset += sizeof(struct objc_property_list32);
+ for (j = 0; j < opl.count; j++) {
+ r = get_pointer_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&op, '\0', sizeof(struct objc_property32));
+ if (left < sizeof(struct objc_property32)) {
+ memcpy(&op, r, left);
+ outs() << " (objc_property entends past the end of the section)\n";
+ } else
+ memcpy(&op, r, sizeof(struct objc_property32));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(op);
+
+ outs() << "\t\t\t name " << format("0x%" PRIx32, op.name);
+ name = get_pointer_32(op.name, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ outs() << "\t\t\tattributes " << format("0x%" PRIx32, op.attributes);
+ name = get_pointer_32(op.attributes, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ p += sizeof(struct objc_property32);
+ offset += sizeof(struct objc_property32);
+ }
+}
+
+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.ivars);
+ 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_class_ro32_t(uint32_t p, struct DisassembleInfo *info,
+ bool &is_meta_class) {
+ struct class_ro32_t cro;
+ const char *r;
+ uint32_t offset, xoffset, left;
+ SectionRef S, xS;
+ const char *name;
+
+ r = get_pointer_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&cro, '\0', sizeof(struct class_ro32_t));
+ if (left < sizeof(struct class_ro32_t)) {
+ memcpy(&cro, r, left);
+ outs() << " (class_ro_t entends past the end of the section)\n";
+ } else
+ memcpy(&cro, r, sizeof(struct class_ro32_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() << " ivarLayout " << format("0x%" PRIx32, cro.ivarLayout)
+ << "\n";
+ print_layout_map32(cro.ivarLayout, info);
+
+ outs() << " name " << format("0x%" PRIx32, cro.name);
+ name = get_pointer_32(cro.name, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ outs() << "\n";
+
+ outs() << " baseMethods "
+ << format("0x%" PRIx32, cro.baseMethods)
+ << " (struct method_list_t *)\n";
+ if (cro.baseMethods != 0)
+ print_method_list32_t(cro.baseMethods, info, "");
+
+ outs() << " baseProtocols "
+ << format("0x%" PRIx32, cro.baseProtocols) << "\n";
+ if (cro.baseProtocols != 0)
+ print_protocol_list32_t(cro.baseProtocols, info);
+ outs() << " ivars " << format("0x%" PRIx32, cro.ivars)
+ << "\n";
+ if (cro.ivars != 0)
+ print_ivar_list32_t(cro.ivars, info);
+ outs() << " weakIvarLayout "
+ << format("0x%" PRIx32, cro.weakIvarLayout) << "\n";
+ print_layout_map32(cro.weakIvarLayout, info);
+ outs() << " baseProperties "
+ << format("0x%" PRIx32, cro.baseProperties) << "\n";
+ if (cro.baseProperties != 0)
+ print_objc_property_list32(cro.baseProperties, 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;
+ 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_class32_t(uint32_t p, struct DisassembleInfo *info) {
+ struct class32_t c;
+ const char *r;
+ uint32_t offset, left;
+ SectionRef S;
+ const char *name;
+
+ r = get_pointer_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&c, '\0', sizeof(struct class32_t));
+ if (left < sizeof(struct class32_t)) {
+ memcpy(&c, r, left);
+ outs() << " (class_t entends past the end of the section)\n";
+ } else
+ memcpy(&c, r, sizeof(struct class32_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(c);
+
+ outs() << " isa " << format("0x%" PRIx32, c.isa);
+ name =
+ get_symbol_32(offset + offsetof(struct class32_t, isa), S, info, c.isa);
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ outs() << " superclass " << format("0x%" PRIx32, c.superclass);
+ name = get_symbol_32(offset + offsetof(struct class32_t, superclass), S, info,
+ c.superclass);
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ outs() << " cache " << format("0x%" PRIx32, c.cache);
+ name = get_symbol_32(offset + offsetof(struct class32_t, cache), S, info,
+ c.cache);
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ outs() << " vtable " << format("0x%" PRIx32, c.vtable);
+ name = get_symbol_32(offset + offsetof(struct class32_t, vtable), S, info,
+ c.vtable);
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ name =
+ get_symbol_32(offset + offsetof(struct class32_t, data), S, info, c.data);
+ outs() << " data " << format("0x%" PRIx32, c.data)
+ << " (struct class_ro_t *)";
+
+ // This is a Swift class if some of the low bits of the pointer are set.
+ if (c.data & 0x3)
+ outs() << " Swift class";
+ outs() << "\n";
+ bool is_meta_class;
+ print_class_ro32_t(c.data & ~0x3, info, is_meta_class);
+
+ if (is_meta_class == false) {
+ outs() << "Meta Class\n";
+ print_class32_t(c.isa, info);
+ }
+}
+
+static void print_objc_class_t(struct objc_class_t *objc_class,
+ struct DisassembleInfo *info) {
+ uint32_t offset, left, xleft;
+ const char *name, *p, *ivar_list;
+ SectionRef S;
+ int32_t i;
+ struct objc_ivar_list_t objc_ivar_list;
+ struct objc_ivar_t ivar;
+
+ outs() << "\t\t isa " << format("0x%08" PRIx32, objc_class->isa);
+ if (info->verbose && CLS_GETINFO(objc_class, CLS_META)) {
+ name = get_pointer_32(objc_class->isa, offset, left, S, info, true);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ else
+ outs() << " (not in an __OBJC section)";
+ }
+ outs() << "\n";
+
+ outs() << "\t super_class "
+ << format("0x%08" PRIx32, objc_class->super_class);
+ if (info->verbose) {
+ name = get_pointer_32(objc_class->super_class, offset, left, S, info, true);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ else
+ outs() << " (not in an __OBJC section)";
+ }
+ outs() << "\n";
+
+ outs() << "\t\t name " << format("0x%08" PRIx32, objc_class->name);
+ if (info->verbose) {
+ name = get_pointer_32(objc_class->name, offset, left, S, info, true);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ else
+ outs() << " (not in an __OBJC section)";
+ }
+ outs() << "\n";
+
+ outs() << "\t\t version " << format("0x%08" PRIx32, objc_class->version)
+ << "\n";
+
+ outs() << "\t\t info " << format("0x%08" PRIx32, objc_class->info);
+ if (info->verbose) {
+ if (CLS_GETINFO(objc_class, CLS_CLASS))
+ outs() << " CLS_CLASS";
+ else if (CLS_GETINFO(objc_class, CLS_META))
+ outs() << " CLS_META";
+ }
+ outs() << "\n";
+
+ outs() << "\t instance_size "
+ << format("0x%08" PRIx32, objc_class->instance_size) << "\n";
+
+ p = get_pointer_32(objc_class->ivars, offset, left, S, info, true);
+ outs() << "\t\t ivars " << format("0x%08" PRIx32, objc_class->ivars);
+ if (p != nullptr) {
+ if (left > sizeof(struct objc_ivar_list_t)) {
+ outs() << "\n";
+ memcpy(&objc_ivar_list, p, sizeof(struct objc_ivar_list_t));
+ } else {
+ outs() << " (entends past the end of the section)\n";
+ memset(&objc_ivar_list, '\0', sizeof(struct objc_ivar_list_t));
+ memcpy(&objc_ivar_list, p, left);
+ }
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(objc_ivar_list);
+ outs() << "\t\t ivar_count " << objc_ivar_list.ivar_count << "\n";
+ ivar_list = p + sizeof(struct objc_ivar_list_t);
+ for (i = 0; i < objc_ivar_list.ivar_count; i++) {
+ if ((i + 1) * sizeof(struct objc_ivar_t) > left) {
+ outs() << "\t\t remaining ivar's extend past the of the section\n";
+ break;
+ }
+ memcpy(&ivar, ivar_list + i * sizeof(struct objc_ivar_t),
+ sizeof(struct objc_ivar_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(ivar);
+
+ outs() << "\t\t\tivar_name " << format("0x%08" PRIx32, ivar.ivar_name);
+ if (info->verbose) {
+ name = get_pointer_32(ivar.ivar_name, offset, xleft, S, info, true);
+ if (name != nullptr)
+ outs() << format(" %.*s", xleft, name);
+ else
+ outs() << " (not in an __OBJC section)";
+ }
+ outs() << "\n";
+
+ outs() << "\t\t\tivar_type " << format("0x%08" PRIx32, ivar.ivar_type);
+ if (info->verbose) {
+ name = get_pointer_32(ivar.ivar_type, offset, xleft, S, info, true);
+ if (name != nullptr)
+ outs() << format(" %.*s", xleft, name);
+ else
+ outs() << " (not in an __OBJC section)";
+ }
+ outs() << "\n";
+
+ outs() << "\t\t ivar_offset "
+ << format("0x%08" PRIx32, ivar.ivar_offset) << "\n";
+ }
+ } else {
+ outs() << " (not in an __OBJC section)\n";
+ }
+
+ outs() << "\t\t methods " << format("0x%08" PRIx32, objc_class->methodLists);
+ if (print_method_list(objc_class->methodLists, info))
+ outs() << " (not in an __OBJC section)\n";
+
+ outs() << "\t\t cache " << format("0x%08" PRIx32, objc_class->cache)
+ << "\n";
+
+ outs() << "\t\tprotocols " << format("0x%08" PRIx32, objc_class->protocols);
+ if (print_protocol_list(objc_class->protocols, 16, info))
+ outs() << " (not in an __OBJC section)\n";
+}
+
+static void print_objc_objc_category_t(struct objc_category_t *objc_category,
+ struct DisassembleInfo *info) {
+ uint32_t offset, left;
+ const char *name;
+ SectionRef S;
+
+ outs() << "\t category name "
+ << format("0x%08" PRIx32, objc_category->category_name);
+ if (info->verbose) {
+ name = get_pointer_32(objc_category->category_name, offset, left, S, info,
+ true);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ else
+ outs() << " (not in an __OBJC section)";
+ }
+ outs() << "\n";
+
+ outs() << "\t\t class name "
+ << format("0x%08" PRIx32, objc_category->class_name);
+ if (info->verbose) {
+ name =
+ get_pointer_32(objc_category->class_name, offset, left, S, info, true);
+ if (name != nullptr)
+ outs() << format(" %.*s", left, name);
+ else
+ outs() << " (not in an __OBJC section)";
+ }
+ outs() << "\n";
+
+ outs() << "\t instance methods "
+ << format("0x%08" PRIx32, objc_category->instance_methods);
+ if (print_method_list(objc_category->instance_methods, info))
+ outs() << " (not in an __OBJC section)\n";
+
+ outs() << "\t class methods "
+ << format("0x%08" PRIx32, objc_category->class_methods);
+ if (print_method_list(objc_category->class_methods, info))
+ outs() << " (not in an __OBJC section)\n";
+}
+
+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_category32_t(uint32_t p, struct DisassembleInfo *info) {
+ struct category32_t c;
+ const char *r;
+ uint32_t offset, left;
+ SectionRef S, xS;
+ const char *name;
+
+ r = get_pointer_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&c, '\0', sizeof(struct category32_t));
+ if (left < sizeof(struct category32_t)) {
+ memcpy(&c, r, left);
+ outs() << " (category_t entends past the end of the section)\n";
+ } else
+ memcpy(&c, r, sizeof(struct category32_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(c);
+
+ outs() << " name " << format("0x%" PRIx32, c.name);
+ name = get_symbol_32(offset + offsetof(struct category32_t, name), S, info,
+ c.name);
+ if (name != NULL)
+ outs() << " " << name;
+ outs() << "\n";
+
+ outs() << " cls " << format("0x%" PRIx32, c.cls) << "\n";
+ if (c.cls != 0)
+ print_class32_t(c.cls, info);
+ outs() << " instanceMethods " << format("0x%" PRIx32, c.instanceMethods)
+ << "\n";
+ if (c.instanceMethods != 0)
+ print_method_list32_t(c.instanceMethods, info, "");
+ outs() << " classMethods " << format("0x%" PRIx32, c.classMethods)
+ << "\n";
+ if (c.classMethods != 0)
+ print_method_list32_t(c.classMethods, info, "");
+ outs() << " protocols " << format("0x%" PRIx32, c.protocols) << "\n";
+ if (c.protocols != 0)
+ print_protocol_list32_t(c.protocols, info);
+ outs() << "instanceProperties " << format("0x%" PRIx32, c.instanceProperties)
+ << "\n";
+ if (c.instanceProperties != 0)
+ print_objc_property_list32(c.instanceProperties, 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_message_refs32(SectionRef S, struct DisassembleInfo *info) {
+ uint32_t i, left, offset, xoffset, p;
+ struct message_ref32 mr;
+ const char *name, *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_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&mr, '\0', sizeof(struct message_ref32));
+ if (left < sizeof(struct message_ref32)) {
+ memcpy(&mr, r, left);
+ outs() << " (message_ref entends past the end of the section)\n";
+ } else
+ memcpy(&mr, r, sizeof(struct message_ref32));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(mr);
+
+ outs() << " imp " << format("0x%" PRIx32, mr.imp);
+ name = get_symbol_32(offset + offsetof(struct message_ref32, imp), S, info,
+ mr.imp);
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ outs() << " sel " << format("0x%" PRIx32, mr.sel);
+ name = get_pointer_32(mr.sel, xoffset, left, xS, info);
+ if (name != nullptr)
+ outs() << " " << name;
+ outs() << "\n";
+
+ offset += sizeof(struct message_ref32);
+ }
+}
+
+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 print_image_info32(SectionRef S, struct DisassembleInfo *info) {
+ uint32_t left, offset, swift_version, p;
+ struct objc_image_info32 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_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&o, '\0', sizeof(struct objc_image_info32));
+ if (left < sizeof(struct objc_image_info32)) {
+ memcpy(&o, r, left);
+ outs() << " (objc_image_info entends past the end of the section)\n";
+ } else
+ memcpy(&o, r, sizeof(struct objc_image_info32));
+ 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 print_image_info(SectionRef S, struct DisassembleInfo *info) {
+ uint32_t left, offset, p;
+ struct imageInfo_t 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_32(p, offset, left, S, info);
+ if (r == nullptr)
+ return;
+ memset(&o, '\0', sizeof(struct imageInfo_t));
+ if (left < sizeof(struct imageInfo_t)) {
+ memcpy(&o, r, left);
+ outs() << " (imageInfo entends past the end of the section)\n";
+ } else
+ memcpy(&o, r, sizeof(struct imageInfo_t));
+ if (info->O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(o);
+ outs() << " version " << o.version << "\n";
+ outs() << " flags " << format("0x%" PRIx32, o.flags);
+ if (o.flags & 0x1)
+ outs() << " F&C";
+ if (o.flags & 0x2)
+ outs() << " GC";
+ if (o.flags & 0x4)
+ outs() << " GC-only";
+ else
+ outs() << " RR";
+ 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);
+ }
+
+ if (info.bindtable != nullptr)
+ delete info.bindtable;
+}
+
+static void printObjc2_32bit_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_32("class", CL, O, &info, print_class32_t);
+ } else {
+ const SectionRef CL = get_section(O, "__DATA", "__objc_classlist");
+ info.S = CL;
+ walk_pointer_list_32("class", CL, O, &info, print_class32_t);
+ }
+
+ const SectionRef CR = get_section(O, "__OBJC2", "__class_refs");
+ if (CR != SectionRef()) {
+ info.S = CR;
+ walk_pointer_list_32("class refs", CR, O, &info, nullptr);
+ } else {
+ const SectionRef CR = get_section(O, "__DATA", "__objc_classrefs");
+ info.S = CR;
+ walk_pointer_list_32("class refs", CR, O, &info, nullptr);
+ }
+
+ const SectionRef SR = get_section(O, "__OBJC2", "__super_refs");
+ if (SR != SectionRef()) {
+ info.S = SR;
+ walk_pointer_list_32("super refs", SR, O, &info, nullptr);
+ } else {
+ const SectionRef SR = get_section(O, "__DATA", "__objc_superrefs");
+ info.S = SR;
+ walk_pointer_list_32("super refs", SR, O, &info, nullptr);
+ }
+
+ const SectionRef CA = get_section(O, "__OBJC2", "__category_list");
+ if (CA != SectionRef()) {
+ info.S = CA;
+ walk_pointer_list_32("category", CA, O, &info, print_category32_t);
+ } else {
+ const SectionRef CA = get_section(O, "__DATA", "__objc_catlist");
+ info.S = CA;
+ walk_pointer_list_32("category", CA, O, &info, print_category32_t);
+ }
+
+ const SectionRef PL = get_section(O, "__OBJC2", "__protocol_list");
+ if (PL != SectionRef()) {
+ info.S = PL;
+ walk_pointer_list_32("protocol", PL, O, &info, nullptr);
+ } else {
+ const SectionRef PL = get_section(O, "__DATA", "__objc_protolist");
+ info.S = PL;
+ walk_pointer_list_32("protocol", PL, O, &info, nullptr);
+ }
+
+ const SectionRef MR = get_section(O, "__OBJC2", "__message_refs");
+ if (MR != SectionRef()) {
+ info.S = MR;
+ print_message_refs32(MR, &info);
+ } else {
+ const SectionRef MR = get_section(O, "__DATA", "__objc_msgrefs");
+ info.S = MR;
+ print_message_refs32(MR, &info);
+ }
+
+ const SectionRef II = get_section(O, "__OBJC2", "__image_info");
+ if (II != SectionRef()) {
+ info.S = II;
+ print_image_info32(II, &info);
+ } else {
+ const SectionRef II = get_section(O, "__DATA", "__objc_imageinfo");
+ info.S = II;
+ print_image_info32(II, &info);
+ }
+}
+
+static bool printObjc1_32bit_MetaData(MachOObjectFile *O, bool verbose) {
+ uint32_t i, j, p, offset, xoffset, left, defs_left, def;
+ const char *r, *name, *defs;
+ struct objc_module_t module;
+ SectionRef S, xS;
+ struct objc_symtab_t symtab;
+ struct objc_class_t objc_class;
+ struct objc_category_t objc_category;
+
+ outs() << "Objective-C segment\n";
+ S = get_section(O, "__OBJC", "__module_info");
+ if (S == SectionRef())
+ return false;
+
+ 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;
+
+ for (i = 0; i < S.getSize(); i += sizeof(struct objc_module_t)) {
+ p = S.getAddress() + i;
+ r = get_pointer_32(p, offset, left, S, &info, true);
+ if (r == nullptr)
+ return true;
+ memset(&module, '\0', sizeof(struct objc_module_t));
+ if (left < sizeof(struct objc_module_t)) {
+ memcpy(&module, r, left);
+ outs() << " (module extends past end of __module_info section)\n";
+ } else
+ memcpy(&module, r, sizeof(struct objc_module_t));
+ if (O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(module);
+
+ outs() << "Module " << format("0x%" PRIx32, p) << "\n";
+ outs() << " version " << module.version << "\n";
+ outs() << " size " << module.size << "\n";
+ outs() << " name ";
+ name = get_pointer_32(module.name, xoffset, left, xS, &info, true);
+ if (name != nullptr)
+ outs() << format("%.*s", left, name);
+ else
+ outs() << format("0x%08" PRIx32, module.name)
+ << "(not in an __OBJC section)";
+ outs() << "\n";
+
+ r = get_pointer_32(module.symtab, xoffset, left, xS, &info, true);
+ if (module.symtab == 0 || r == nullptr) {
+ outs() << " symtab " << format("0x%08" PRIx32, module.symtab)
+ << " (not in an __OBJC section)\n";
+ continue;
+ }
+ outs() << " symtab " << format("0x%08" PRIx32, module.symtab) << "\n";
+ memset(&symtab, '\0', sizeof(struct objc_symtab_t));
+ defs_left = 0;
+ defs = nullptr;
+ if (left < sizeof(struct objc_symtab_t)) {
+ memcpy(&symtab, r, left);
+ outs() << "\tsymtab extends past end of an __OBJC section)\n";
+ } else {
+ memcpy(&symtab, r, sizeof(struct objc_symtab_t));
+ if (left > sizeof(struct objc_symtab_t)) {
+ defs_left = left - sizeof(struct objc_symtab_t);
+ defs = r + sizeof(struct objc_symtab_t);
+ }
+ }
+ if (O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(symtab);
+
+ outs() << "\tsel_ref_cnt " << symtab.sel_ref_cnt << "\n";
+ r = get_pointer_32(symtab.refs, xoffset, left, xS, &info, true);
+ outs() << "\trefs " << format("0x%08" PRIx32, symtab.refs);
+ if (r == nullptr)
+ outs() << " (not in an __OBJC section)";
+ outs() << "\n";
+ outs() << "\tcls_def_cnt " << symtab.cls_def_cnt << "\n";
+ outs() << "\tcat_def_cnt " << symtab.cat_def_cnt << "\n";
+ if (symtab.cls_def_cnt > 0)
+ outs() << "\tClass Definitions\n";
+ for (j = 0; j < symtab.cls_def_cnt; j++) {
+ if ((j + 1) * sizeof(uint32_t) > defs_left) {
+ outs() << "\t(remaining class defs entries entends past the end of the "
+ << "section)\n";
+ break;
+ }
+ memcpy(&def, defs + j * sizeof(uint32_t), sizeof(uint32_t));
+ if (O->isLittleEndian() != sys::IsLittleEndianHost)
+ sys::swapByteOrder(def);
+
+ r = get_pointer_32(def, xoffset, left, xS, &info, true);
+ outs() << "\tdefs[" << j << "] " << format("0x%08" PRIx32, def);
+ if (r != nullptr) {
+ if (left > sizeof(struct objc_class_t)) {
+ outs() << "\n";
+ memcpy(&objc_class, r, sizeof(struct objc_class_t));
+ } else {
+ outs() << " (entends past the end of the section)\n";
+ memset(&objc_class, '\0', sizeof(struct objc_class_t));
+ memcpy(&objc_class, r, left);
+ }
+ if (O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(objc_class);
+ print_objc_class_t(&objc_class, &info);
+ } else {
+ outs() << "(not in an __OBJC section)\n";
+ }
+
+ if (CLS_GETINFO(&objc_class, CLS_CLASS)) {
+ outs() << "\tMeta Class";
+ r = get_pointer_32(objc_class.isa, xoffset, left, xS, &info, true);
+ if (r != nullptr) {
+ if (left > sizeof(struct objc_class_t)) {
+ outs() << "\n";
+ memcpy(&objc_class, r, sizeof(struct objc_class_t));
+ } else {
+ outs() << " (entends past the end of the section)\n";
+ memset(&objc_class, '\0', sizeof(struct objc_class_t));
+ memcpy(&objc_class, r, left);
+ }
+ if (O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(objc_class);
+ print_objc_class_t(&objc_class, &info);
+ } else {
+ outs() << "(not in an __OBJC section)\n";
+ }
+ }
+ }
+ if (symtab.cat_def_cnt > 0)
+ outs() << "\tCategory Definitions\n";
+ for (j = 0; j < symtab.cat_def_cnt; j++) {
+ if ((j + symtab.cls_def_cnt + 1) * sizeof(uint32_t) > defs_left) {
+ outs() << "\t(remaining category defs entries entends past the end of "
+ << "the section)\n";
+ break;
+ }
+ memcpy(&def, defs + (j + symtab.cls_def_cnt) * sizeof(uint32_t),
+ sizeof(uint32_t));
+ if (O->isLittleEndian() != sys::IsLittleEndianHost)
+ sys::swapByteOrder(def);
+
+ r = get_pointer_32(def, xoffset, left, xS, &info, true);
+ outs() << "\tdefs[" << j + symtab.cls_def_cnt << "] "
+ << format("0x%08" PRIx32, def);
+ if (r != nullptr) {
+ if (left > sizeof(struct objc_category_t)) {
+ outs() << "\n";
+ memcpy(&objc_category, r, sizeof(struct objc_category_t));
+ } else {
+ outs() << " (entends past the end of the section)\n";
+ memset(&objc_category, '\0', sizeof(struct objc_category_t));
+ memcpy(&objc_category, r, left);
+ }
+ if (O->isLittleEndian() != sys::IsLittleEndianHost)
+ swapStruct(objc_category);
+ print_objc_objc_category_t(&objc_category, &info);
+ } else {
+ outs() << "(not in an __OBJC section)\n";
+ }
+ }
+ }
+ const SectionRef II = get_section(O, "__OBJC", "__image_info");
+ if (II != SectionRef())
+ print_image_info(II, &info);
+
+ 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);
+ 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
@@ -3022,7 +5997,7 @@ static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
}
int AsmPrinterVariant = AsmInfo->getAssemblerDialect();
std::unique_ptr<MCInstPrinter> IP(TheTarget->createMCInstPrinter(
- AsmPrinterVariant, *AsmInfo, *InstrInfo, *MRI, *STI));
+ Triple(TripleName), AsmPrinterVariant, *AsmInfo, *InstrInfo, *MRI));
// Set the display preference for hex vs. decimal immediates.
IP->setPrintImmHex(PrintImmHex);
// Comment stream and backing vector.
@@ -3070,8 +6045,8 @@ static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
}
int ThumbAsmPrinterVariant = ThumbAsmInfo->getAssemblerDialect();
ThumbIP.reset(ThumbTarget->createMCInstPrinter(
- ThumbAsmPrinterVariant, *ThumbAsmInfo, *ThumbInstrInfo, *ThumbMRI,
- *ThumbSTI));
+ Triple(ThumbTripleName), ThumbAsmPrinterVariant, *ThumbAsmInfo,
+ *ThumbInstrInfo, *ThumbMRI));
// Set the display preference for hex vs. decimal immediates.
ThumbIP->setPrintImmHex(PrintImmHex);
}
@@ -3337,9 +6312,9 @@ static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
Annotations.flush();
StringRef AnnotationsStr = Annotations.str();
if (isThumb)
- ThumbIP->printInst(&Inst, FormattedOS, AnnotationsStr);
+ ThumbIP->printInst(&Inst, FormattedOS, AnnotationsStr, *ThumbSTI);
else
- IP->printInst(&Inst, FormattedOS, AnnotationsStr);
+ IP->printInst(&Inst, FormattedOS, AnnotationsStr, *STI);
emitComments(CommentStream, CommentsToEmit, FormattedOS, *AsmInfo);
// Print debug info.
@@ -3398,7 +6373,7 @@ static void DisassembleMachO(StringRef Filename, MachOObjectFile *MachOOF,
outs() << "\t";
DumpBytes(ArrayRef<uint8_t>(Bytes.data() + Index, InstSize));
}
- IP->printInst(&Inst, outs(), "");
+ IP->printInst(&Inst, outs(), "", *STI);
outs() << "\n";
} else {
unsigned int Arch = MachOOF->getArch();
generated by cgit v1.1 at 2024-04-28 01:36:54 +0000