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ObjC.mm
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ObjC.mm
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/*
* ObjC.mm
* MachOView
*
* Created by Peter Saghelyi on 17/10/2011.
*
*/
#import "ObjC.h"
#import "ReadWrite.h"
#import "DataController.h"
/* masks for objc_image_info.flags */
#define OBJC_IMAGE_IS_REPLACEMENT (1<<0)
#define OBJC_IMAGE_SUPPORTS_GC (1<<1)
#define OBJC_IMAGE_GC_ONLY (1<<2)
/* Values for class_ro_t->flags */
#define RO_META (1<<0)
#define RO_ROOT (1<<1)
#define RO_HAS_CXX_STRUCTORS (1<<2)
using namespace std;
//--------------------- ObjC ----------------------------------------
struct objc_image_info
{
uint32_t version;
uint32_t flags;
};
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[0]; // 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)
};
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[0]; // 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_method_list_t
{
uint32_t obsolete; // struct objc_method_list * (32-bit pointer)
int32_t method_count;
struct objc_method_t method_list[0]; // variable length structure
};
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_protocol_list_t
{
uint32_t next; // struct objc_protocol_list * (32-bit pointer)
int32_t count;
uint32_t list[0]; // Protocol *, aka struct objc_protocol_t * (32-bit pointer)
};
struct objc_method_description_t
{
uint32_t name; // SEL, aka struct objc_selector * (32-bit pointer)
uint32_t types; // char * (32-bit pointer)
};
struct objc_method_description_list_t
{
int32_t count;
struct objc_method_description_t list[0];
};
//--------------------- ObjC2 32bit ----------------------------------------
struct class_t
{
uint32_t isa; // class_t * (32-bit pointer)
uint32_t superclass; // class_t * (32-bit pointer)
uint32_t cache; // Cache (32-bit pointer)
uint32_t vtable; // IMP * (32-bit pointer)
uint32_t data; // class_ro_t * (32-bit pointer)
};
struct class_ro_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)
};
struct method_t
{
uint32_t name; // SEL (32-bit pointer)
uint32_t types; // const char * (32-bit pointer)
uint32_t imp; // IMP (32-bit pointer)
};
struct method_list_t
{
uint32_t entsize;
uint32_t count;
//struct method_t first; These structures follow inline
};
struct ivar_list_t
{
uint32_t entsize;
uint32_t count;
// struct ivar_t first; These structures follow inline
};
struct ivar_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 protocol_list_t
{
uint32_t count; // uintptr_t (a 32-bit value)
// struct protocol_t * list[0]; These pointers follow inline
};
struct protocol_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 objc_property_list
{
uint32_t entsize;
uint32_t count;
// struct objc_property first; These structures follow inline
};
struct objc_property
{
uint32_t name; // const char * (32-bit pointer)
uint32_t attributes; // const char * (32-bit pointer)
};
struct category_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 message_ref
{
uint32_t imp; // IMP (32-bit pointer)
uint32_t sel; // SEL (32-bit pointer)
};
//--------------------- ObjC2 64bit ----------------------------------------
struct class64_t
{
uint64_t isa; // class_t * (64-bit pointer)
uint64_t superclass; // class_t * (64-bit pointer)
uint64_t cache; // Cache (64-bit pointer)
uint64_t vtable; // IMP * (64-bit pointer)
uint64_t data; // class_ro_t * (64-bit pointer)
};
struct class64_ro_t
{
uint32_t flags;
uint32_t instanceStart;
uint32_t instanceSize;
uint32_t reserved;
uint64_t ivarLayout; // const uint8_t * (64-bit pointer)
uint64_t name; // const char * (64-bit pointer)
uint64_t baseMethods; // const method_list_t * (64-bit pointer)
uint64_t baseProtocols; // const protocol_list_t * (64-bit pointer)
uint64_t ivars; // const ivar_list_t * (64-bit pointer)
uint64_t weakIvarLayout; // const uint8_t * (64-bit pointer)
uint64_t baseProperties; // const struct objc_property_list * (64-bit pointer)
};
struct method64_list_t
{
uint32_t entsize;
uint32_t count;
// struct method_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 ivar64_list_t
{
uint32_t entsize;
uint32_t count;
// struct ivar_t first; These structures follow inline
};
struct ivar64_t
{
uint64_t offset; // uintptr_t * (64-bit pointer)
uint64_t name; // const char * (64-bit pointer)
uint64_t type; // const char * (64-bit pointer)
uint32_t alignment;
uint32_t size;
};
struct protocol64_list_t
{
uint64_t count; // uintptr_t (a 64-bit value)
// struct protocol_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_list_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 objc_property64_list
{
uint32_t entsize;
uint32_t count;
// struct objc_property first; These structures follow inline
};
struct objc_property64
{
uint64_t name; // const char * (64-bit pointer)
uint64_t attributes; // const char * (64-bit pointer)
};
struct category64_t
{
uint64_t name; // const char * (64-bit pointer)
uint64_t cls; // struct class_t * (64-bit pointer)
uint64_t instanceMethods; // struct method_list_t * (64-bit pointer)
uint64_t classMethods; // struct method_list_t * (64-bit pointer)
uint64_t protocols; // struct protocol_list_t * (64-bit pointer)
uint64_t instanceProperties; // struct objc_property_list * (64-bit pointer)
};
struct message_ref64
{
uint64_t imp; // IMP (64-bit pointer)
uint64_t sel; // SEL (64-bit pointer)
};
//--------------------- Predeclarations ----------------------------------------
@interface MachOLayout (Predeclarations)
- (MVNode *)createObjCProtocolListNode:(MVNode *)parent
caption:(NSString *)caption
location:(uint64_t)location
protocols:(struct objc_protocol_list_t const *)objc_protocol_list_t;
- (MVNode *)createObjC2ProtocolListNode:(MVNode *)parent
caption:(NSString *)caption
location:(uint64_t)location
protocols:(struct protocol_list_t const *)protocol_list_t;
- (MVNode *)createObjC2Protocol64ListNode:(MVNode *)parent
caption:(NSString *)caption
location:(uint64_t)location
protocols:(struct protocol64_list_t const *)protocol64_list_t;
@end
//============================================================================
@implementation MachOLayout (ObjC)
//------------------------------------------------------------------------------
- (MVNode *)objcSectionNodeContainsRVA:(uint32_t)rva
{
MVNode * node = [self sectionNodeContainsRVA:rva];
// segment name must be __OBJC
return (node && [[node.userInfo objectForKey:@"segname"] isEqualToString:@"__OBJC"] ? node: nil);
}
//------------------------------------------------------------------------------
// returns YES if has already been processed
//------------------------------------------------------------------------------
- (MVNode *)entryInSectionNode:(MVNode *)node atLocation:(uint64_t)location
{
NSUInteger childCount = [node numberOfChildren];
for (NSUInteger nchild = 0; nchild < childCount; ++nchild)
{
MVNode * child = [node childAtIndex:nchild];
if (NSLocationInRange(location,child.dataRange))
{
NSParameterAssert(location == child.dataRange.location); // check for perfect match
return child;
}
}
return nil;
}
//------------------------------------------------------------------------------
- (MVNode *)createObjCCFStringsNode:(MVNode *)parent
caption:(NSString *)caption
location:(uint64_t)location
length:(uint64_t)length
{
struct cfstring_t
{
uint32_t ptr;
uint32_t data;
uint32_t cstr;
uint32_t size;
};
MVNodeSaver nodeSaver;
MVNode * node = [parent insertChildWithDetails:caption location:location length:length saver:nodeSaver];
NSRange range = NSMakeRange(location,0);
NSString * lastReadHex;
while (NSMaxRange(range) < location + length)
{
MATCH_STRUCT(cfstring_t,NSMaxRange(range))
// accumulate search info
NSUInteger bookmark = node.details.rowCount;
NSString * symbolName = nil;
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"CFString Ptr"
:[self findSymbolAtRVA:cfstring_t->ptr]];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@""
:[self findSymbolAtRVA:cfstring_t->data]];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"String"
:(symbolName = [self findSymbolAtRVA:cfstring_t->cstr])];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Size"
:[NSString stringWithFormat:@"%u",cfstring_t->size]];
[node.details setAttributesFromRowIndex:bookmark:MVMetaDataAttributeName,symbolName,nil];
[node.details setAttributes:MVUnderlineAttributeName,@"YES",nil];
}
return node;
}
//------------------------------------------------------------------------------
- (MVNode *)createObjCCFStrings64Node:(MVNode *)parent
caption:(NSString *)caption
location:(uint64_t)location
length:(uint64_t)length
{
struct cfstring64_t
{
uint64_t ptr;
uint64_t data;
uint64_t cstr;
uint64_t size;
};
MVNodeSaver nodeSaver;
MVNode * node = [parent insertChildWithDetails:caption location:location length:length saver:nodeSaver];
NSRange range = NSMakeRange(location,0);
NSString * lastReadHex;
while (NSMaxRange(range) < location + length)
{
MATCH_STRUCT(cfstring64_t,NSMaxRange(range))
// accumulate search info
NSUInteger bookmark = node.details.rowCount;
NSString * symbolName = nil;
[dataController read_uint64:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"CFString Ptr"
:[self findSymbolAtRVA:cfstring64_t->ptr]];
[dataController read_uint64:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@""
:[self findSymbolAtRVA:cfstring64_t->data]];
[dataController read_uint64:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"String"
:(symbolName = [self findSymbolAtRVA:cfstring64_t->cstr])];
[dataController read_uint64:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Size"
:[NSString stringWithFormat:@"%qu",cfstring64_t->size]];
[node.details setAttributesFromRowIndex:bookmark:MVMetaDataAttributeName,symbolName,nil];
[node.details setAttributes:MVUnderlineAttributeName,@"YES",nil];
}
return node;
}
//------------------------------------------------------------------------------
- (MVNode *)createObjCImageInfoNode:(MVNode *)parent
caption:(NSString *)caption
location:(uint64_t)location
length:(uint64_t)length
{
MVNodeSaver nodeSaver;
MVNode * node = [parent insertChildWithDetails:caption location:location length:length saver:nodeSaver];
NSRange range = NSMakeRange(location,0);
NSString * lastReadHex;
MATCH_STRUCT(objc_image_info,location)
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Version"
:[NSString stringWithFormat:@"%u",objc_image_info->version]];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Flags"
:@""];
if (objc_image_info->flags & OBJC_IMAGE_IS_REPLACEMENT) [node.details appendRow:@"":@"":@"0x1":@"OBJC_IMAGE_IS_REPLACEMENT"];
if (objc_image_info->flags & OBJC_IMAGE_SUPPORTS_GC) [node.details appendRow:@"":@"":@"0x2":@"OBJC_IMAGE_SUPPORTS_GC"];
if (objc_image_info->flags & OBJC_IMAGE_GC_ONLY) [node.details appendRow:@"":@"":@"0x4":@"OBJC_IMAGE_GC_ONLY"];
return node;
}
//------------------------------------------------------------------------------
- (MVNode *)createObjCVariablesNode:(MVNode *)parent
caption:(NSString *)caption
location:(uint64_t)location
ivars:(struct objc_ivar_list_t const *)objc_ivar_list_t
{
// check for parent
if (parent == nil)
{
return nil;
}
// check for duplicates
MVNode * node = [self entryInSectionNode:parent atLocation:location];
if (node != nil)
{
return node;
}
MVNodeSaver nodeSaver;
node = [parent insertChildWithDetails:[@"Objc Variable List: " stringByAppendingString:caption]
location:location
length:sizeof(struct objc_ivar_list_t) + objc_ivar_list_t->ivar_count*sizeof(struct objc_ivar_t)
saver:nodeSaver];
NSRange range = NSMakeRange(location,0);
NSString * lastReadHex;
[dataController read_int32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Count"
:[NSString stringWithFormat:@"%i",objc_ivar_list_t->ivar_count]];
[node.details setAttributes:MVCellColorAttributeName,[NSColor greenColor],
MVUnderlineAttributeName,@"YES",nil];
for (int32_t nivar = 0; nivar < objc_ivar_list_t->ivar_count; ++nivar)
{
struct objc_ivar_t const * objc_ivar_t = &objc_ivar_list_t->ivar_list[nivar];
// accumulate search info
NSUInteger bookmark = node.details.rowCount;
NSString * symbolName = nil;
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Name"
:(symbolName = [self findSymbolAtRVA:objc_ivar_t->ivar_name])];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Type"
:[self findSymbolAtRVA:objc_ivar_t->ivar_type]];
[dataController read_int32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Offset"
:[NSString stringWithFormat:@"%u",objc_ivar_t->ivar_offset]];
[node.details setAttributesFromRowIndex:bookmark:MVMetaDataAttributeName,symbolName,nil];
[node.details setAttributes:MVUnderlineAttributeName,@"YES",nil];
}
return node;
}
//------------------------------------------------------------------------------
- (MVNode *)createObjCMethodsNode:(MVNode *)parent
caption:(NSString *)caption
location:(uint64_t)location
methods:(struct objc_method_list_t const *)objc_method_list_t
{
// check for parent
if (parent == nil)
{
return nil;
}
// check for duplicates
MVNode * node = [self entryInSectionNode:parent atLocation:location];
if (node != nil)
{
return node;
}
MVNodeSaver nodeSaver;
node = [parent insertChildWithDetails:[@"Objc Method List: " stringByAppendingString:caption]
location:location
length:sizeof(struct objc_method_list_t) + objc_method_list_t->method_count*sizeof(struct objc_method_t)
saver:nodeSaver];
NSRange range = NSMakeRange(location,0);
NSString * lastReadHex;
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Obsolete"
:[NSString stringWithFormat:@"0x%X",objc_method_list_t->obsolete]];
[node.details setAttributes:MVCellColorAttributeName,[NSColor greenColor],nil];
[dataController read_int32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Count"
:[NSString stringWithFormat:@"%i",objc_method_list_t->method_count]];
[node.details setAttributes:MVCellColorAttributeName,[NSColor greenColor],
MVUnderlineAttributeName,@"YES",nil];
for (int32_t nmeth = 0; nmeth < objc_method_list_t->method_count; ++nmeth)
{
struct objc_method_t const * objc_method_t = &objc_method_list_t->method_list[nmeth];
// accumulate search info
NSUInteger bookmark = node.details.rowCount;
NSString * symbolName = nil;
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Name"
:(symbolName = [self findSymbolAtRVA:objc_method_t->method_name])];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Types"
:[self findSymbolAtRVA:objc_method_t->method_types]];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"IMP (Function Pointer)"
:[self findSymbolAtRVA:objc_method_t->method_imp]];
[node.details setAttributesFromRowIndex:bookmark:MVMetaDataAttributeName,symbolName,nil];
[node.details setAttributes:MVUnderlineAttributeName,@"YES",nil];
}
return node;
}
//------------------------------------------------------------------------------
- (MVNode *)createObjCMethodDescrsNode:(MVNode *)parent
caption:(NSString *)caption
location:(uint64_t)location
methodDescrs:(struct objc_method_description_list_t const *)objc_method_description_list_t
{
// check for parent
if (parent == nil)
{
return nil;
}
// check for duplicates
MVNode * node = [self entryInSectionNode:parent atLocation:location];
if (node != nil)
{
return node;
}
MVNodeSaver nodeSaver;
node = [parent insertChildWithDetails:[@"Objc Method Descr List: " stringByAppendingString:caption]
location:location
length:sizeof(struct objc_method_description_list_t) + objc_method_description_list_t->count*sizeof(struct objc_method_description_t)
saver:nodeSaver];
NSRange range = NSMakeRange(location,0);
NSString * lastReadHex;
[dataController read_int32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Count"
:[NSString stringWithFormat:@"%i",objc_method_description_list_t->count]];
[node.details setAttributes:MVCellColorAttributeName,[NSColor greenColor],
MVUnderlineAttributeName,@"YES",nil];
for (int32_t ndescr = 0; ndescr < objc_method_description_list_t->count; ++ndescr)
{
struct objc_method_description_t const * objc_method_description_t = &objc_method_description_list_t->list[ndescr];
// accumulate search info
NSUInteger bookmark = node.details.rowCount;
NSString * symbolName = nil;
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Name"
:(symbolName = [self findSymbolAtRVA:objc_method_description_t->name])];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Types"
:[self findSymbolAtRVA:objc_method_description_t->types]];
[node.details setAttributesFromRowIndex:bookmark:MVMetaDataAttributeName,symbolName,nil];
[node.details setAttributes:MVUnderlineAttributeName,@"YES",nil];
}
return node;
}
//------------------------------------------------------------------------------
- (MVNode *)createObjCProtocolNode:(MVNode *)parent
caption:(NSString *)caption
location:(uint64_t)location
protocol:(struct objc_protocol_t const *)objc_protocol_t
{
// check for parent
if (parent == nil)
{
return nil;
}
// check for duplicates
MVNode * node = [self entryInSectionNode:parent atLocation:location];
if (node != nil)
{
return node;
}
MVNodeSaver nodeSaver;
node = [parent insertChildWithDetails:[@"Objc Protocol: " stringByAppendingString:caption]
location:location
length:sizeof(struct objc_protocol_t)
saver:nodeSaver];
NSRange range = NSMakeRange(location,0);
NSString * lastReadHex;
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"ISA"
:[self findSymbolAtRVA:objc_protocol_t->isa]];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Name"
:[self findSymbolAtRVA:objc_protocol_t->protocol_name]];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Protocol List"
:[self findSymbolAtRVA:objc_protocol_t->protocol_list]];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Instance Method Descrs"
:[self findSymbolAtRVA:objc_protocol_t->instance_methods]];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Class Method Descrs"
:[self findSymbolAtRVA:objc_protocol_t->class_methods]];
MVNode * childNode = nil;
// embedded protocol lists
if (objc_protocol_t->protocol_list && (childNode = [self objcSectionNodeContainsRVA:objc_protocol_t->protocol_list]))
{
uint64_t location = [self RVAToFileOffset:objc_protocol_t->protocol_list];
NSString * caption = [self findSymbolAtRVA:objc_protocol_t->protocol_list];
MATCH_STRUCT(objc_protocol_list_t,location)
[self createObjCProtocolListNode:childNode
caption:caption
location:location
protocols:objc_protocol_list_t];
}
// instance method descriptors
if (objc_protocol_t->instance_methods && (childNode = [self objcSectionNodeContainsRVA:objc_protocol_t->instance_methods]))
{
uint64_t location = [self RVAToFileOffset:objc_protocol_t->instance_methods];
NSString * caption = [self findSymbolAtRVA:objc_protocol_t->instance_methods];
MATCH_STRUCT(objc_method_description_list_t,location)
[self createObjCMethodDescrsNode:childNode
caption:caption
location:location
methodDescrs:objc_method_description_list_t];
}
// class method descriptors
if (objc_protocol_t->class_methods && (childNode = [self objcSectionNodeContainsRVA:objc_protocol_t->class_methods]))
{
uint64_t location = [self RVAToFileOffset:objc_protocol_t->class_methods];
NSString * caption = [self findSymbolAtRVA:objc_protocol_t->class_methods];
MATCH_STRUCT(objc_method_description_list_t,location)
[self createObjCMethodDescrsNode:childNode
caption:caption
location:location
methodDescrs:objc_method_description_list_t];
}
return node;
}
//------------------------------------------------------------------------------
- (MVNode *)createObjCProtocolListNode:(MVNode *)parent
caption:(NSString *)caption
location:(uint64_t)location
protocols:(struct objc_protocol_list_t const *)objc_protocol_list_t
{
// check for parent
if (parent == nil)
{
return nil;
}
// check for duplicates
MVNode * node = [self entryInSectionNode:parent atLocation:location];
if (node != nil)
{
return node;
}
MVNodeSaver nodeSaver;
node = [parent insertChildWithDetails:[@"Objc Protocol List: " stringByAppendingString:caption]
location:location
length:sizeof(struct objc_protocol_list_t) + objc_protocol_list_t->count*sizeof(uint32_t)
saver:nodeSaver];
NSRange range = NSMakeRange(location,0);
NSString * lastReadHex;
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Next"
:[self findSymbolAtRVA:objc_protocol_list_t->next]];
[node.details setAttributes:MVCellColorAttributeName,[NSColor greenColor],nil];
[dataController read_int32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Count"
:[NSString stringWithFormat:@"%i",objc_protocol_list_t->count]];
[node.details setAttributes:MVCellColorAttributeName,[NSColor greenColor],
MVUnderlineAttributeName,@"YES",nil];
MVNode * childNode = nil;
for (int32_t nprot = 0; nprot < objc_protocol_list_t->count; ++nprot)
{
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:[NSString stringWithFormat:@"Protocol[%i]",nprot]
:[self findSymbolAtRVA:objc_protocol_list_t->list[nprot]]];
if (objc_protocol_list_t->list[nprot] && (childNode = [self objcSectionNodeContainsRVA:objc_protocol_list_t->list[nprot]]))
{
uint64_t location = [self RVAToFileOffset:objc_protocol_list_t->list[nprot]];
NSString * caption = [self findSymbolAtRVA:objc_protocol_list_t->list[nprot]];
MATCH_STRUCT(objc_protocol_t,location)
[self createObjCProtocolNode:childNode
caption:caption
location:location
protocol:objc_protocol_t];
}
}
// next protocol list
if (objc_protocol_list_t->next && (childNode = [self objcSectionNodeContainsRVA:objc_protocol_list_t->next]))
{
uint64_t location = [self RVAToFileOffset:objc_protocol_list_t->next];
NSString * caption = [self findSymbolAtRVA:objc_protocol_list_t->next];
MATCH_STRUCT(objc_protocol_list_t,location)
[self createObjCProtocolListNode:childNode
caption:caption
location:location
protocols:objc_protocol_list_t];
}
return node;
}
//------------------------------------------------------------------------------
- (MVNode *)createObjCClassNode:(MVNode *)parent
caption:(NSString *)caption
location:(uint64_t)location
objcClass:(struct objc_class_t const *)objc_class_t
{
// check for parent
if (parent == nil)
{
return nil;
}
// check for duplicates
MVNode * node = [self entryInSectionNode:parent atLocation:location];
if (node != nil)
{
return node;
}
MVNodeSaver nodeSaver;
node = [parent insertChildWithDetails:[@"Objc Class: " stringByAppendingString:caption]
location:location
length:sizeof(struct objc_class_t)
saver:nodeSaver];
NSRange range = NSMakeRange(location,0);
NSString * lastReadHex;
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"ISA"
:[self findSymbolAtRVA:objc_class_t->isa]];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Super Class"
:[self findSymbolAtRVA:objc_class_t->super_class]];
[dataController read_uint32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Name"
:[self findSymbolAtRVA:objc_class_t->name]];
[dataController read_int32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Version"
:[NSString stringWithFormat:@"%i", objc_class_t->version]];
[dataController read_int32:range lastReadHex:&lastReadHex];
[node.details appendRow:[NSString stringWithFormat:@"%.8lX", range.location]
:lastReadHex
:@"Info"
:@""];
if (objc_class_t->info & 0x1) [node.details appendRow:@"":@"":@" 1":@"CLS_CLASS"];
if (objc_class_t->info & 0x2) [node.details appendRow:@"":@"":@" 2":@"CLS_META"];
if (objc_class_t->info & 0x4) [node.details appendRow:@"":@"":@" 4":@"CLS_INITIALIZED"];
if (objc_class_t->info & 0x8) [node.details appendRow:@"":@"":@" 8":@"CLS_POSING"];
if (objc_class_t->info & 0x10) [node.details appendRow:@"":@"":@" 10":@"CLS_MAPPED"];
if (objc_class_t->info & 0x20) [node.details appendRow:@"":@"":@" 20":@"CLS_FLUSH_CACHE"];
if (objc_class_t->info & 0x40) [node.details appendRow:@"":@"":@" 40":@"CLS_GROW_CACHE"];
if (objc_class_t->info & 0x80) [node.details appendRow:@"":@"":@" 80":@"CLS_NEED_BIND"];
if (objc_class_t->info & 0x100) [node.details appendRow:@"":@"":@" 100":@"CLS_METHOD_ARRAY"];
if (objc_class_t->info & 0x200) [node.details appendRow:@"":@"":@" 200":@"CLS_JAVA_HYBRID"];
if (objc_class_t->info & 0x400) [node.details appendRow:@"":@"":@" 400":@"CLS_JAVA_CLASS"];
if (objc_class_t->info & 0x800) [node.details appendRow:@"":@"":@" 800":@"CLS_INITIALIZING"];