Apple::MacintoshResourceFileFormat::JumpTable Class Reference

Represents the information stored in a jump table. More...

#include <macos.h>

Classes
struct	Entry
	Describes a single jump table entry. More...
struct	TransitionVector
	Describes a single transition vector entry. More...

Public Member Functions
void	AddLegacyEntry (Location entry)
	Attaches a legacy entry type, consisting of a 16-bit segment value and a 16-bit offset value.
void	AddExtendedEntry (Location entry)
	Attaches an extended entry type, consisting of a 16-bit segment value and a 32-bit offset value.
void	AddFlattenedEntry (Location entry)
	Attaches a flattened entry type, consisting of a 32-bit relocated address value.
void	AddApplicationTransitionVector (Location seg_loader, Location a5_world, Location entry)
	Attaches a transition vector to an application, consisting of a location of the segLoader routine, the A5 world, and the 16-bit segment and 32-bit offset of an entry point.
void	AddUnflattenedTransitionVector (Location a5_world, Location entry)
	Attaches an unflattened library transition vector, consisting of a location of A5 world, and the 16-bit segment and 32-bit offset of an entry point.
void	AddFlattenedTransitionVector (Location a5_world, Location entry)
	Attaches a (flattened) library transition vector, consisting of a location of A5 world, and the 32-bit relocated addres to an entry point.

Public Attributes
uint32_t	above_a5 = 0
uint32_t	below_a5 = 0
uint32_t	jump_table_size = 0
uint32_t	jump_table_offset = 32
std::vector< Entry >	legacy_entries
	Entries with a 16-bit segment offset, used for near model jump tables, for near model format entries in far model jump tables and classic format entries in CFM-68K jump tables.
std::vector< Entry >	extended_entries
	Entries with a 32-bit segment offset, used for far model format entries in far model jump tables and regular format entries in CFM-68K jump tables.
std::vector< TransitionVector >	transition_vectors

Detailed Description

Represents the information stored in a jump table.

Member Function Documentation

AddApplicationTransitionVector()

void Apple::MacintoshResourceFileFormat::JumpTable::AddApplicationTransitionVector ( Location  seg_loader, Location  a5_world, Location  entry  )

inline

Attaches a transition vector to an application, consisting of a location of the segLoader routine, the A5 world, and the 16-bit segment and 32-bit offset of an entry point.

Required for CFM-68K applications.

AddExtendedEntry()

void Apple::MacintoshResourceFileFormat::JumpTable::AddExtendedEntry ( Location  entry )

inline

Attaches an extended entry type, consisting of a 16-bit segment value and a 32-bit offset value.

Note that using these during runtime requires patching the LoadSeg routine.

AddFlattenedEntry()

void Apple::MacintoshResourceFileFormat::JumpTable::AddFlattenedEntry ( Location  entry )

inline

Attaches a flattened entry type, consisting of a 32-bit relocated address value.

Note that these only occur in (flattened) shared libraries, used by CFM-68K.

AddFlattenedTransitionVector()

void Apple::MacintoshResourceFileFormat::JumpTable::AddFlattenedTransitionVector ( Location  a5_world, Location  entry  )

inline

Attaches a (flattened) library transition vector, consisting of a location of A5 world, and the 32-bit relocated addres to an entry point.

Required for CFM-68K libraries.

AddUnflattenedTransitionVector()

void Apple::MacintoshResourceFileFormat::JumpTable::AddUnflattenedTransitionVector ( Location  a5_world, Location  entry  )

inline

Attaches an unflattened library transition vector, consisting of a location of A5 world, and the 16-bit segment and 32-bit offset of an entry point.

Required for CFM-68K.

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The documentation for this class was generated from the following file:

• src/format/macos.h