tm-arc.h

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// OBSOLETE 
// OBSOLETE /* Number of bytes of storage in the program's representation for register N. */
// OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) 4
// OBSOLETE 
// OBSOLETE /* Largest value REGISTER_RAW_SIZE can have.  */
// OBSOLETE #define MAX_REGISTER_RAW_SIZE 4
// OBSOLETE 
// OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have.  */
// OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE 4
// OBSOLETE 
// OBSOLETE /* Return the GDB type object for the "standard" data type
// OBSOLETE    of data in register N.  */
// OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) (builtin_type_int)
// OBSOLETE 
// OBSOLETE 
// OBSOLETE /* Macros for understanding function return values... */
// OBSOLETE 
// OBSOLETE /* Does the specified function use the "struct returning" convention
// OBSOLETE    or the "value returning" convention?  The "value returning" convention
// OBSOLETE    almost invariably returns the entire value in registers.  The
// OBSOLETE    "struct returning" convention often returns the entire value in
// OBSOLETE    memory, and passes a pointer (out of or into the function) saying
// OBSOLETE    where the value (is or should go).
// OBSOLETE 
// OBSOLETE    Since this sometimes depends on whether it was compiled with GCC,
// OBSOLETE    this is also an argument.  This is used in call_function to build a
// OBSOLETE    stack, and in value_being_returned to print return values.
// OBSOLETE 
// OBSOLETE    On arc, a structure is always retunred with pointer in r0. */
// OBSOLETE 
// OBSOLETE #define USE_STRUCT_CONVENTION(gcc_p, type) 1
// OBSOLETE 
// OBSOLETE /* Extract from an array REGBUF containing the (raw) register state
// OBSOLETE    a function return value of type TYPE, and copy that, in virtual format,
// OBSOLETE    into VALBUF.  This is only called if USE_STRUCT_CONVENTION for this
// OBSOLETE    type is 0.
// OBSOLETE  */
// OBSOLETE #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
// OBSOLETE 	memcpy(VALBUF, REGBUF+REGISTER_BYTE(R0_REGNUM), TYPE_LENGTH (TYPE))
// OBSOLETE 
// OBSOLETE /* If USE_STRUCT_CONVENTION produces a 1, 
// OBSOLETE    extract from an array REGBUF containing the (raw) register state
// OBSOLETE    the address in which a function should return its structure value,
// OBSOLETE    as a CORE_ADDR (or an expression that can be used as one). */
// OBSOLETE #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
// OBSOLETE    (error("Don't know where large structure is returned on arc"), 0)
// OBSOLETE 
// OBSOLETE /* Write into appropriate registers a function return value
// OBSOLETE    of type TYPE, given in virtual format, for "value returning" functions.
// OBSOLETE    For 'return' command:  not (yet) implemented for arc.  */
// OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \
// OBSOLETE     error ("Returning values from functions is not implemented in arc gdb")
// OBSOLETE 
// OBSOLETE /* Store the address of the place in which to copy the structure the
// OBSOLETE    subroutine will return.  This is called from call_function. */
// OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) \
// OBSOLETE     error ("Returning values from functions is not implemented in arc gdb")
// OBSOLETE 
// OBSOLETE 
// OBSOLETE /* Describe the pointer in each stack frame to the previous stack frame
// OBSOLETE    (its caller).  */
// OBSOLETE 
// OBSOLETE /* We cache information about saved registers in the frame structure,
// OBSOLETE    to save us from having to re-scan function prologues every time
// OBSOLETE    a register in a non-current frame is accessed.  */
// OBSOLETE 
// OBSOLETE #define EXTRA_FRAME_INFO \
// OBSOLETE 	struct frame_saved_regs *fsr; \
// OBSOLETE 	CORE_ADDR arg_pointer;
// OBSOLETE 
// OBSOLETE /* Zero the frame_saved_regs pointer when the frame is initialized,
// OBSOLETE    so that FRAME_FIND_SAVED_REGS () will know to allocate and
// OBSOLETE    initialize a frame_saved_regs struct the first time it is called.
// OBSOLETE    Set the arg_pointer to -1, which is not valid; 0 and other values
// OBSOLETE    indicate real, cached values.  */
// OBSOLETE 
// OBSOLETE #define INIT_EXTRA_FRAME_INFO(fromleaf, fi) \
// OBSOLETE 	((fi)->fsr = 0, (fi)->arg_pointer = -1)
// OBSOLETE 
// OBSOLETE /* FRAME_CHAIN takes a frame's nominal address
// OBSOLETE    and produces the frame's chain-pointer.
// OBSOLETE    However, if FRAME_CHAIN_VALID returns zero,
// OBSOLETE    it means the given frame is the outermost one and has no caller.  */
// OBSOLETE /* On the arc, we get the chain pointer by reading the PFP saved
// OBSOLETE    on the stack. */
// OBSOLETE /* The PFP and RPC is in fp and fp+4.  */
// OBSOLETE 
// OBSOLETE #define FRAME_CHAIN(thisframe) \
// OBSOLETE   (read_memory_integer (FRAME_FP (thisframe), 4))
// OBSOLETE 
// OBSOLETE /* FRAME_CHAIN_VALID returns zero if the given frame is the outermost one
// OBSOLETE    and has no caller.  */
// OBSOLETE #define FRAME_CHAIN_VALID(chain, thisframe) nonnull_frame_chain_valid (chain, thisframe)
// OBSOLETE 
// OBSOLETE /* An expression that tells us whether the function invocation represented
// OBSOLETE    by FI does not have a frame on the stack associated with it. */
// OBSOLETE 
// OBSOLETE #define FRAMELESS_FUNCTION_INVOCATION(FI) \
// OBSOLETE      (((FI)->signal_handler_caller) ? 0 : frameless_look_for_prologue (FI))
// OBSOLETE 
// OBSOLETE /* Where is the PC for a specific frame.
// OBSOLETE    A leaf function may never save blink, so we have to check for that here.  */
// OBSOLETE 
// OBSOLETE #define FRAME_SAVED_PC(frame) (arc_frame_saved_pc (frame))
// OBSOLETE struct frame_info;		/* in case frame.h not included yet */
// OBSOLETE CORE_ADDR arc_frame_saved_pc (struct frame_info *);
// OBSOLETE 
// OBSOLETE /* If the argument is on the stack, it will be here.
// OBSOLETE    We cache this value in the frame info if we've already looked it up.  */
// OBSOLETE /* ??? Is the arg_pointer check necessary?  */
// OBSOLETE 
// OBSOLETE #define FRAME_ARGS_ADDRESS(fi) \
// OBSOLETE   (((fi)->arg_pointer != -1) ? (fi)->arg_pointer : (fi)->frame)
// OBSOLETE 
// OBSOLETE /* This is the same except it should return 0 when
// OBSOLETE    it does not really know where the args are, rather than guessing.
// OBSOLETE    This value is not cached since it is only used infrequently.  */
// OBSOLETE 
// OBSOLETE #define FRAME_LOCALS_ADDRESS(fi)	((fi)->frame)
// OBSOLETE 
// OBSOLETE /* Set NUMARGS to the number of args passed to a frame.
// OBSOLETE    Can return -1, meaning no way to tell.  */
// OBSOLETE 
// OBSOLETE #define FRAME_NUM_ARGS(fi)	(-1)
// OBSOLETE 
// OBSOLETE /* Return number of bytes at start of arglist that are not really args.  */
// OBSOLETE 
// OBSOLETE #define FRAME_ARGS_SKIP 0
// OBSOLETE 
// OBSOLETE /* Produce the positions of the saved registers in a stack frame.  */
// OBSOLETE 
// OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info_addr, sr) \
// OBSOLETE 	frame_find_saved_regs (frame_info_addr, &sr)
// OBSOLETE extern void frame_find_saved_regs ();	/* See arc-tdep.c */
// OBSOLETE 
// OBSOLETE 
// OBSOLETE /* Things needed for making calls to functions in the inferior process */
// OBSOLETE void arc_push_dummy_frame (void);
// OBSOLETE #define PUSH_DUMMY_FRAME \
// OBSOLETE 	arc_push_dummy_frame ()
// OBSOLETE 
// OBSOLETE /* Discard from the stack the innermost frame, restoring all registers.  */
// OBSOLETE void arc_pop_frame (void);
// OBSOLETE #define POP_FRAME \
// OBSOLETE 	arc_pop_frame ()
// OBSOLETE 
// OBSOLETE /* This sequence of words is the instructions  bl xxxx, flag 1 */
// OBSOLETE #define CALL_DUMMY { 0x28000000, 0x1fbe8001 }
// OBSOLETE #define CALL_DUMMY_LENGTH 8
// OBSOLETE 
// OBSOLETE /* Start execution at beginning of dummy */
// OBSOLETE #define CALL_DUMMY_START_OFFSET 0
// OBSOLETE 
// OBSOLETE /* Insert the specified number of args and function address
// OBSOLETE    into a call sequence of the above form stored at 'dummyname'. */
// OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
// OBSOLETE { \
// OBSOLETE         int from, to, delta, loc; \
// OBSOLETE         loc = (int)(read_register (SP_REGNUM) - CALL_DUMMY_LENGTH); \
// OBSOLETE         from = loc + 4; \
// OBSOLETE         to = (int)(fun); \
// OBSOLETE         delta = (to - from) >> 2; \
// OBSOLETE         *((char *)(dummyname) + 1) = (delta & 0x1); \
// OBSOLETE         *((char *)(dummyname) + 2) = ((delta >> 1) & 0xff); \
// OBSOLETE         *((char *)(dummyname) + 3) = ((delta >> 9) & 0xff); \
// OBSOLETE         *((char *)(dummyname) + 4) = ((delta >> 17) & 0x7); \
// OBSOLETE }