resolve.h File Reference

Functions to resolve NIDs and syscalls. More...

#include "types.h"

Data Structures
struct	resolve_entry
	Resolve table entry. More...
union	resolve_entry::value
	Value of the entry. More...
struct	module_info
	SCE module information section. More...
struct	module_exports
	SCE module export table. More...
struct	module_imports
	SCE module import table. More...
union	module_ports
	Either an SCE module import table or export table. More...
struct	segment_info
	A segment of the module in memory. More...
struct	loaded_module_info
	Loaded module information. More...

Macros
#define	STUB_FUNC_MAX_LEN   16
	Max size for a stub function in bytes.
#define	MAX_LOADED_MODS   128
	Maximum number of loaded modules.
#define	MAX_RESOLVE_ENTRIES   0x10000
	Maximum number of resolves.
#define	STUB_FUNC_SIZE   0x10
	Size of stub functions.
#define	UVL_LIBKERN_BASE   0xE0000000
	sceLibKernel is where we import API calls from
#define	UVL_LIBKERN_MAX_SIZE   0xE000
	Maximum size of sceLibKernel (for resolving loader)
Type of entry
#define	RESOLVE_TYPE_UNKNOWN   0
	Unknown type.
#define	RESOLVE_TYPE_FUNCTION   1
	Function call.
#define	RESOLVE_TYPE_SYSCALL   2
	Syscall.
#define	RESOLVE_TYPE_VARIABLE   3
	Imported variable.
Supported ARM instruction types
#define	INSTRUCTION_UNKNOWN   0
	Unknown/unsupported instruction.
#define	INSTRUCTION_MOVW   1
	MOVW Rd, #imm instruction.
#define	INSTRUCTION_MOVT   2
	MOVT Rd, #imm instruction.
#define	INSTRUCTION_SYSCALL   3
	SVC #imm instruction.
#define	INSTRUCTION_BRANCH   4
	BX Rn instruction.
Search flags for importing loaded modules
See Also uvl_resolve_all_loaded_modules
#define	RESOLVE_MOD_IMPS   0x1
	Add entry from import function stubs.
#define	RESOLVE_MOD_EXPS   0x2
	Add entry from exported information.
#define	RESOLVE_IMPS_SVC_ONLY   0x4
	Used with RESOLVE_MOD_IMPS but only add syscalls for import entries.
Module infomation check
#define	MOD_INFO_VALID_ATTR   0x0000
#define	MOD_INFO_VALID_VER   0x0101

Typedefs
typedef struct resolve_entry	resolve_entry_t
	Resolve table entry.
typedef struct module_info	module_info_t
	SCE module information section.
typedef struct module_exports	module_exports_t
	SCE module export table.
typedef struct module_imports	module_imports_t
	SCE module import table.
typedef union module_ports	module_ports_t
	Either an SCE module import table or export table.
typedef struct segment_info	segment_info_t
	A segment of the module in memory.
typedef struct loaded_module_info	loaded_module_info_t
	Loaded module information.

Functions
Interacting with the resolve table
int	uvl_resolve_table_initialize ()
	Allocates memory for resolve table.
int	uvl_resolve_table_destroy ()
	Frees memory for resolve table.
int	uvl_resolve_table_add (resolve_entry_t *entry)
	Adds a resolve entry.
resolve_entry_t *	uvl_resolve_table_get (u32_t nid)
	Gets a resolve entry.
Estimating syscalls
resolve_entry_t *	uvl_estimate_syscall (u32_t nid)
	Estimates an unknown syscall.
Capturing and resolving stubs
int	uvl_resolve_import_stub_to_entry (void *stub, u32_t nid, resolve_entry_t *entry)
	Creates resolve entry from stub function imported by a module.
int	uvl_resolve_entry_to_import_stub (resolve_entry_t *entry, void *stub)
	Fills a stub with resolve entry.
ARM instruction functions
u32_t	uvl_decode_arm_inst (u32_t cur_inst, u8_t *type)
	Get an instruction's type and immediate value.
u32_t	uvl_encode_arm_inst (u8_t type, u16_t immed, u16_t reg)
	Creates an ARMv7 instruction.
Bulk add to resolve table
int	uvl_resolve_add_imports (module_imports_t *imp_table, int syscalls_only)
	Add a module's import table's entries to the resolve table.
int	uvl_resolve_add_exports (module_exports_t *exp_table)
	Add a module's export entries to the resolve table.
Resolving entries
int	uvl_resolve_add_all_modules (int type)
	Adds entries from all loaded modules to resolve table.
int	uvl_resolve_add_module (PsvUID modid, int type)
	Adds entries from a loaded module to resolve table.
int	uvl_resolve_imports (module_imports_t *import)
	Resolves an import table.
int	uvl_resolve_loader (u32_t nid, void *libkernel_base, void *stub)
	Resolves UVLoader imported function.

Detailed Description

Functions to resolve NIDs and syscalls.