patcher.cpp File Reference

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Functions
void	patcher_patch_code (patchref_t *pr)
static int32_t *	patch_checked_location (int32_t *p, int32_t val)
static void	checked_icache_flush (void *addr, int nbytes, int32_t *check_loc)
bool	patcher_is_valid_trap_instruction_at (void *pc)
	Check if the trap instruction at the given PC is valid. More...
static void	patch_out_mfence (void *pc)
	Overwrites the MFENCE instruction at the indicated address with a 3-byte NOP. More...
bool	patcher_resolve_classref_to_classinfo (patchref_t *pr)
bool	patcher_resolve_classref_to_vftbl (patchref_t *pr)
bool	patcher_resolve_classref_to_flags (patchref_t *pr)
bool	patcher_get_putstatic (patchref_t *pr)
bool	patcher_get_putfield (patchref_t *pr)
bool	patcher_putfieldconst (patchref_t *pr)
bool	patcher_invokestatic_special (patchref_t *pr)
bool	patcher_invokevirtual (patchref_t *pr)
bool	patcher_invokeinterface (patchref_t *pr)
bool	patcher_checkcast_interface (patchref_t *pr)
bool	patcher_instanceof_interface (patchref_t *pr)

Variables
patcher_function_list_t	patcher_function_list []

Function Documentation

static void checked_icache_flush ( void *  addr, int  nbytes, int32_t *  check_loc  )

static

Definition at line 69 of file patcher.cpp.

static int32_t* patch_checked_location ( int32_t *  p, int32_t  val  )

static

Definition at line 60 of file patcher.cpp.

static void patch_out_mfence ( void *  pc )

static

Overwrites the MFENCE instruction at the indicated address with a 3-byte NOP.

The MFENCE instruction is not allowed to cross a (4-byte) word boundary.

Parameters

pc	Program counter.

Definition at line 97 of file patcher.cpp.

bool patcher_checkcast_interface

(

patchref_t *

pr

)

Definition at line 479 of file patcher.cpp.

bool patcher_get_putfield

(

patchref_t *

pr

)

Definition at line 283 of file patcher.cpp.

bool patcher_get_putstatic

(

patchref_t *

pr

)

Definition at line 239 of file patcher.cpp.

bool patcher_instanceof_interface

(

patchref_t *

pr

)

Definition at line 522 of file patcher.cpp.

bool patcher_invokeinterface

(

patchref_t *

pr

)

Definition at line 434 of file patcher.cpp.

bool patcher_invokestatic_special

(

patchref_t *

pr

)

Definition at line 360 of file patcher.cpp.

bool patcher_invokevirtual

(

patchref_t *

pr

)

Definition at line 395 of file patcher.cpp.

bool patcher_is_valid_trap_instruction_at

(

void *

pc

)

Check if the trap instruction at the given PC is valid.

Parameters

pc	Program counter.

Returns

true if valid, false otherwise.

Definition at line 82 of file patcher.cpp.

void patcher_patch_code

(

patchref_t *

pr

)

Definition at line 54 of file patcher.cpp.

bool patcher_putfieldconst

(

patchref_t *

pr

)

Definition at line 321 of file patcher.cpp.

bool patcher_resolve_classref_to_classinfo

(

patchref_t *

pr

)

Definition at line 134 of file patcher.cpp.

bool patcher_resolve_classref_to_flags

(

patchref_t *

pr

)

Definition at line 199 of file patcher.cpp.

bool patcher_resolve_classref_to_vftbl

(

patchref_t *

pr

)

Definition at line 167 of file patcher.cpp.

Variable Documentation

patcher_function_list_t patcher_function_list[]

Initial value:

= {
    { PATCHER_initialize_class,              "initialize_class" },

    { PATCHER_resolve_class,                 "resolve_class" },

    { PATCHER_resolve_classref_to_classinfo, "resolve_classref_to_classinfo"},
    { PATCHER_resolve_classref_to_vftbl,     "resolve_classref_to_vftbl"},
    { PATCHER_resolve_classref_to_flags,     "resolve_classref_to_flags"},
    { PATCHER_resolve_native_function,       "resolve_native_function" },
    { PATCHER_invokestatic_special,          "invokestatic_special" },
    { PATCHER_invokevirtual,                 "invokevirtual" },
    { PATCHER_invokeinterface,               "invokeinterface" },
    { PATCHER_breakpoint,                    "breakpoint" },
    { PATCHER_checkcast_interface,           "checkcast_interface" },
    { PATCHER_instanceof_interface,          "instanceof_interface" },
    { PATCHER_get_putstatic,                 "get_putstatic" },
    { PATCHER_get_putfield,                  "get_putfield" },
    { PATCHER_putfieldconst,                 "putfieldconst" },
    { NULL,                                  "-UNKNOWN PATCHER FUNCTION-" }
}

Definition at line 562 of file patcher.cpp.