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578 |
markom |
/* OBSOLETE /* Definitions to target GDB to a merlin under utek 2.1 */
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/* OBSOLETE Copyright 1986, 1987, 1989, 1991, 1993, 1994, 1998, 1999, 2000 */
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/* OBSOLETE Free Software Foundation, Inc. */
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/* OBSOLETE */
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/* OBSOLETE This file is part of GDB. */
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/* OBSOLETE */
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/* OBSOLETE This program is free software; you can redistribute it and/or modify */
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/* OBSOLETE it under the terms of the GNU General Public License as published by */
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/* OBSOLETE the Free Software Foundation; either version 2 of the License, or */
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/* OBSOLETE (at your option) any later version. */
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/* OBSOLETE */
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/* OBSOLETE This program is distributed in the hope that it will be useful, */
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/* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */
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/* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
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/* OBSOLETE GNU General Public License for more details. */
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/* OBSOLETE */
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/* OBSOLETE You should have received a copy of the GNU General Public License */
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/* OBSOLETE along with this program; if not, write to the Free Software */
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/* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */
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/* OBSOLETE Boston, MA 02111-1307, USA. */ */
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/* OBSOLETE */
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/* OBSOLETE #include "regcache.h" */
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/* OBSOLETE */
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/* OBSOLETE #define TARGET_BYTE_ORDER LITTLE_ENDIAN */
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/* OBSOLETE */
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/* OBSOLETE /* Offset from address of function to start of its code. */
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/* OBSOLETE Zero on most machines. */ */
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/* OBSOLETE */
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/* OBSOLETE #define FUNCTION_START_OFFSET 0 */
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/* OBSOLETE */
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/* OBSOLETE /* Advance PC across any function entry prologue instructions */
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/* OBSOLETE to reach some "real" code. */ */
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/* OBSOLETE */
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/* OBSOLETE extern CORE_ADDR merlin_skip_prologue (CORE_ADDR); */
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/* OBSOLETE #define SKIP_PROLOGUE(pc) (merlin_skip_prologue (pc)) */
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/* OBSOLETE */
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/* OBSOLETE /* Immediately after a function call, return the saved pc. */
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/* OBSOLETE Can't always go through the frames for this because on some machines */
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/* OBSOLETE the new frame is not set up until the new function executes */
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/* OBSOLETE some instructions. */ */
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/* OBSOLETE */
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/* OBSOLETE #define SAVED_PC_AFTER_CALL(frame) \ */
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/* OBSOLETE read_memory_integer (read_register (SP_REGNUM), 4) */
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/* OBSOLETE */
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/* OBSOLETE /* Address of end of stack space. */ */
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/* OBSOLETE */
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/* OBSOLETE #define STACK_END_ADDR (0x800000) */
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/* OBSOLETE */
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/* OBSOLETE /* Stack grows downward. */ */
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/* OBSOLETE */
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/* OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) */
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/* OBSOLETE */
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/* OBSOLETE /* Sequence of bytes for breakpoint instruction. */ */
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/* OBSOLETE */
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/* OBSOLETE #define BREAKPOINT {0xf2} */
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/* OBSOLETE */
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/* OBSOLETE /* Amount PC must be decremented by after a breakpoint. */
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/* OBSOLETE This is often the number of bytes in BREAKPOINT */
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/* OBSOLETE but not always. */ */
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/* OBSOLETE */
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/* OBSOLETE #define DECR_PC_AFTER_BREAK 0 */
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/* OBSOLETE */
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/* OBSOLETE /* Define this to say that the "svc" insn is followed by */
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/* OBSOLETE codes in memory saying which kind of system call it is. */ */
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/* OBSOLETE */
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/* OBSOLETE #define NS32K_SVC_IMMED_OPERANDS */
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/* OBSOLETE */
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/* OBSOLETE /* Say how long (ordinary) registers are. This is a piece of bogosity */
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/* OBSOLETE used in push_word and a few other places; REGISTER_RAW_SIZE is the */
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/* OBSOLETE real way to know how big a register is. */ */
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/* OBSOLETE */
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/* OBSOLETE #define REGISTER_SIZE 4 */
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/* OBSOLETE */
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/* OBSOLETE /* Number of machine registers */ */
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/* OBSOLETE */
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/* OBSOLETE #define NUM_REGS 25 */
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/* OBSOLETE */
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/* OBSOLETE #define NUM_GENERAL_REGS 8 */
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/* OBSOLETE */
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/* OBSOLETE /* Initializer for an array of names of registers. */
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/* OBSOLETE There should be NUM_REGS strings in this initializer. */ */
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/* OBSOLETE */
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/* OBSOLETE #define REGISTER_NAMES {"r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ */
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/* OBSOLETE "pc", "sp", "fp", "ps", \ */
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/* OBSOLETE "fsr", \ */
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/* OBSOLETE "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", \ */
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/* OBSOLETE "l0", "l1", "l2", "l3", "l4", \ */
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/* OBSOLETE } */
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/* OBSOLETE */
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/* OBSOLETE /* Register numbers of various important registers. */
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/* OBSOLETE Note that some of these values are "real" register numbers, */
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/* OBSOLETE and correspond to the general registers of the machine, */
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/* OBSOLETE and some are "phony" register numbers which are too large */
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/* OBSOLETE to be actual register numbers as far as the user is concerned */
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/* OBSOLETE but do serve to get the desired values when passed to read_register. */ */
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/* OBSOLETE */
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/* OBSOLETE #define AP_REGNUM FP_REGNUM */
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/* OBSOLETE #define FP_REGNUM 10 /* Contains address of executing stack frame */ */
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/* OBSOLETE #define SP_REGNUM 9 /* Contains address of top of stack */ */
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/* OBSOLETE #define PC_REGNUM 8 /* Contains program counter */ */
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/* OBSOLETE #define PS_REGNUM 11 /* Contains processor status */ */
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/* OBSOLETE #define FPS_REGNUM 12 /* Floating point status register */ */
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/* OBSOLETE #define FP0_REGNUM 13 /* Floating point register 0 */ */
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/* OBSOLETE #define LP0_REGNUM 21 /* Double register 0 (same as FP0) */ */
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/* OBSOLETE */
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/* OBSOLETE /* Total amount of space needed to store our copies of the machine's */
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/* OBSOLETE register state, the array `registers'. */ */
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/* OBSOLETE #define REGISTER_BYTES ((NUM_REGS - 4) * sizeof (int) + 4 * sizeof (double)) */
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/* OBSOLETE */
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/* OBSOLETE /* Index within `registers' of the first byte of the space for */
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/* OBSOLETE register N. */ */
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/* OBSOLETE */
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/* OBSOLETE #define REGISTER_BYTE(N) ((N) >= LP0_REGNUM ? \ */
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/* OBSOLETE LP0_REGNUM * 4 + ((N) - LP0_REGNUM) * 8 : (N) * 4) */
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/* OBSOLETE */
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/* OBSOLETE /* Number of bytes of storage in the actual machine representation */
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/* OBSOLETE for register N. On the 32000, all regs are 4 bytes */
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/* OBSOLETE except for the doubled floating registers. */ */
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/* OBSOLETE */
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/* OBSOLETE #define REGISTER_RAW_SIZE(N) ((N) >= LP0_REGNUM ? 8 : 4) */
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/* OBSOLETE */
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/* OBSOLETE /* Number of bytes of storage in the program's representation */
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/* OBSOLETE for register N. On the 32000, all regs are 4 bytes */
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/* OBSOLETE except for the doubled floating registers. */ */
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/* OBSOLETE */
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/* OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) ((N) >= LP0_REGNUM ? 8 : 4) */
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/* OBSOLETE */
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/* OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. */ */
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/* OBSOLETE */
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/* OBSOLETE #define MAX_REGISTER_RAW_SIZE 8 */
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/* OBSOLETE */
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/* OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have. */ */
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/* OBSOLETE */
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/* OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE 8 */
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/* OBSOLETE */
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/* OBSOLETE /* Return the GDB type object for the "standard" data type */
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/* OBSOLETE of data in register N. */ */
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/* OBSOLETE */
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/* OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) \ */
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/* OBSOLETE ((N) >= FP0_REGNUM ? \ */
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/* OBSOLETE ((N) >= LP0_REGNUM ? \ */
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/* OBSOLETE builtin_type_double \ */
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/* OBSOLETE : builtin_type_float) \ */
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/* OBSOLETE : builtin_type_int) */
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/* OBSOLETE */
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/* OBSOLETE /* Store the address of the place in which to copy the structure the */
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/* OBSOLETE subroutine will return. This is called from call_function. */
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/* OBSOLETE */
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/* OBSOLETE On this machine this is a no-op, as gcc doesn't run on it yet. */
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/* OBSOLETE This calling convention is not used. */ */
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/* OBSOLETE */
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/* OBSOLETE #define STORE_STRUCT_RETURN(ADDR, SP) */
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/* OBSOLETE */
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/* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */
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/* OBSOLETE a function return value of type TYPE, and copy that, in virtual format, */
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/* OBSOLETE into VALBUF. */ */
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/* OBSOLETE */
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/* OBSOLETE #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ */
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/* OBSOLETE memcpy (VALBUF, REGBUF, TYPE_LENGTH (TYPE)) */
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/* OBSOLETE */
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/* OBSOLETE /* Write into appropriate registers a function return value */
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/* OBSOLETE of type TYPE, given in virtual format. */ */
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/* OBSOLETE */
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/* OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ */
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/* OBSOLETE write_register_bytes (0, VALBUF, TYPE_LENGTH (TYPE)) */
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/* OBSOLETE */
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/* OBSOLETE /* Extract from an array REGBUF containing the (raw) register state */
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/* OBSOLETE the address in which a function should return its structure value, */
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/* OBSOLETE as a CORE_ADDR (or an expression that can be used as one). */ */
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/* OBSOLETE */
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/* OBSOLETE #define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) (*(int *)(REGBUF)) */
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/* OBSOLETE */
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| 173 |
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/* OBSOLETE /* Describe the pointer in each stack frame to the previous stack frame */
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/* OBSOLETE (its caller). */ */
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/* OBSOLETE */
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/* OBSOLETE /* FRAME_CHAIN takes a frame's nominal address */
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/* OBSOLETE and produces the frame's chain-pointer. */ */
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/* OBSOLETE */
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/* OBSOLETE /* In the case of the Merlin, the frame's nominal address is the FP value, */
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/* OBSOLETE and at that address is saved previous FP value as a 4-byte word. */ */
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/* OBSOLETE */
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/* OBSOLETE #define FRAME_CHAIN(thisframe) \ */
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/* OBSOLETE (!inside_entry_file ((thisframe)->pc) ? \ */
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/* OBSOLETE read_memory_integer ((thisframe)->frame, 4) :\ */
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/* OBSOLETE 0) */
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/* OBSOLETE */
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| 187 |
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/* OBSOLETE /* Define other aspects of the stack frame. */ */
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/* OBSOLETE */
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| 189 |
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/* OBSOLETE #define FRAME_SAVED_PC(FRAME) (read_memory_integer ((FRAME)->frame + 4, 4)) */
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| 190 |
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/* OBSOLETE */
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| 191 |
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/* OBSOLETE /* compute base of arguments */ */
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| 192 |
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/* OBSOLETE #define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) */
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| 193 |
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/* OBSOLETE */
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| 194 |
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/* OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) */
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/* OBSOLETE */
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| 196 |
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/* OBSOLETE /* Return number of args passed to a frame. */
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/* OBSOLETE Can return -1, meaning no way to tell. */ */
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| 198 |
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/* OBSOLETE */
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| 199 |
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/* OBSOLETE extern int merlin_frame_num_args (struct frame_info *fi); */
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| 200 |
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/* OBSOLETE #define FRAME_NUM_ARGS(fi) (merlin_frame_num_args ((fi))) */
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| 201 |
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/* OBSOLETE */
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| 202 |
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/* OBSOLETE /* Return number of bytes at start of arglist that are not really args. */ */
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| 203 |
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/* OBSOLETE */
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| 204 |
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/* OBSOLETE #define FRAME_ARGS_SKIP 8 */
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| 205 |
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/* OBSOLETE */
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| 206 |
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/* OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, */
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| 207 |
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/* OBSOLETE the addresses of the saved registers of frame described by FRAME_INFO. */
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| 208 |
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/* OBSOLETE This includes special registers such as pc and fp saved in special */
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/* OBSOLETE ways in the stack frame. sp is even more special: */
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| 210 |
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/* OBSOLETE the address we return for it IS the sp for the next frame. */ */
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| 211 |
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/* OBSOLETE */
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| 212 |
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/* OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ */
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| 213 |
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/* OBSOLETE { int regmask,regnum; \ */
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| 214 |
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/* OBSOLETE int localcount; \ */
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| 215 |
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/* OBSOLETE CORE_ADDR enter_addr; \ */
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| 216 |
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/* OBSOLETE CORE_ADDR next_addr; \ */
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| 217 |
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/* OBSOLETE \ */
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| 218 |
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/* OBSOLETE enter_addr = get_pc_function_start ((frame_info)->pc); \ */
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| 219 |
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/* OBSOLETE regmask = read_memory_integer (enter_addr+1, 1); \ */
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| 220 |
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/* OBSOLETE localcount = ns32k_localcount (enter_addr); \ */
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| 221 |
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/* OBSOLETE next_addr = (frame_info)->frame + localcount; \ */
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| 222 |
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/* OBSOLETE for (regnum = 0; regnum < 8; regnum++, regmask >>= 1) \ */
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| 223 |
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/* OBSOLETE (frame_saved_regs).regs[regnum] \ */
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| 224 |
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/* OBSOLETE = (regmask & 1) ? (next_addr -= 4) : 0; \ */
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| 225 |
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/* OBSOLETE (frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame + 4; \ */
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| 226 |
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/* OBSOLETE (frame_saved_regs).regs[PC_REGNUM] = (frame_info)->frame + 4; \ */
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| 227 |
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/* OBSOLETE (frame_saved_regs).regs[FP_REGNUM] \ */
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| 228 |
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/* OBSOLETE = read_memory_integer ((frame_info)->frame, 4); } */
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| 229 |
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/* OBSOLETE */
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| 230 |
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/* OBSOLETE */
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| 231 |
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/* OBSOLETE /* Things needed for making the inferior call functions. */ */
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| 232 |
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/* OBSOLETE */
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| 233 |
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/* OBSOLETE /* Push an empty stack frame, to record the current PC, etc. */ */
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| 234 |
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/* OBSOLETE */
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| 235 |
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/* OBSOLETE #define PUSH_DUMMY_FRAME \ */
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| 236 |
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/* OBSOLETE { register CORE_ADDR sp = read_register (SP_REGNUM); \ */
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| 237 |
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/* OBSOLETE register int regnum; \ */
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| 238 |
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/* OBSOLETE sp = push_word (sp, read_register (PC_REGNUM)); \ */
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| 239 |
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/* OBSOLETE sp = push_word (sp, read_register (FP_REGNUM)); \ */
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| 240 |
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/* OBSOLETE write_register (FP_REGNUM, sp); \ */
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| 241 |
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/* OBSOLETE for (regnum = 0; regnum < 8; regnum++) \ */
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| 242 |
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/* OBSOLETE sp = push_word (sp, read_register (regnum)); \ */
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| 243 |
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/* OBSOLETE write_register (SP_REGNUM, sp); \ */
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| 244 |
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/* OBSOLETE } */
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| 245 |
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/* OBSOLETE */
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| 246 |
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/* OBSOLETE /* Discard from the stack the innermost frame, restoring all registers. */ */
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| 247 |
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/* OBSOLETE */
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| 248 |
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/* OBSOLETE #define POP_FRAME \ */
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| 249 |
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/* OBSOLETE { register struct frame_info *frame = get_current_frame (); \ */
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| 250 |
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/* OBSOLETE register CORE_ADDR fp; \ */
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| 251 |
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/* OBSOLETE register int regnum; \ */
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| 252 |
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/* OBSOLETE struct frame_saved_regs fsr; \ */
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| 253 |
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/* OBSOLETE struct frame_info *fi; \ */
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| 254 |
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/* OBSOLETE fp = frame->frame; \ */
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| 255 |
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/* OBSOLETE get_frame_saved_regs (frame, &fsr); \ */
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| 256 |
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/* OBSOLETE for (regnum = 0; regnum < 8; regnum++) \ */
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| 257 |
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/* OBSOLETE if (fsr.regs[regnum]) \ */
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| 258 |
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/* OBSOLETE write_register (regnum, read_memory_integer (fsr.regs[regnum], 4)); \ */
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| 259 |
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/* OBSOLETE write_register (FP_REGNUM, read_memory_integer (fp, 4)); \ */
|
| 260 |
|
|
/* OBSOLETE write_register (PC_REGNUM, read_memory_integer (fp + 4, 4)); \ */
|
| 261 |
|
|
/* OBSOLETE write_register (SP_REGNUM, fp + 8); \ */
|
| 262 |
|
|
/* OBSOLETE flush_cached_frames (); \ */
|
| 263 |
|
|
/* OBSOLETE } */
|
| 264 |
|
|
/* OBSOLETE */
|
| 265 |
|
|
/* OBSOLETE /* This sequence of words is the instructions */
|
| 266 |
|
|
/* OBSOLETE enter 0xff,0 82 ff 00 */
|
| 267 |
|
|
/* OBSOLETE jsr @0x00010203 7f ae c0 01 02 03 */
|
| 268 |
|
|
/* OBSOLETE adjspd 0x69696969 7f a5 01 02 03 04 */
|
| 269 |
|
|
/* OBSOLETE bpt f2 */
|
| 270 |
|
|
/* OBSOLETE Note this is 16 bytes. */ */
|
| 271 |
|
|
/* OBSOLETE */
|
| 272 |
|
|
/* OBSOLETE #define CALL_DUMMY { 0x7f00ff82, 0x0201c0ae, 0x01a57f03, 0xf2040302 } */
|
| 273 |
|
|
/* OBSOLETE */
|
| 274 |
|
|
/* OBSOLETE #define CALL_DUMMY_START_OFFSET 3 */
|
| 275 |
|
|
/* OBSOLETE #define CALL_DUMMY_LENGTH 16 */
|
| 276 |
|
|
/* OBSOLETE #define CALL_DUMMY_ADDR 5 */
|
| 277 |
|
|
/* OBSOLETE #define CALL_DUMMY_NARGS 11 */
|
| 278 |
|
|
/* OBSOLETE */
|
| 279 |
|
|
/* OBSOLETE /* Insert the specified number of args and function address */
|
| 280 |
|
|
/* OBSOLETE into a call sequence of the above form stored at DUMMYNAME. */ */
|
| 281 |
|
|
/* OBSOLETE */
|
| 282 |
|
|
/* OBSOLETE #define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \ */
|
| 283 |
|
|
/* OBSOLETE { int flipped = fun | 0xc0000000; \ */
|
| 284 |
|
|
/* OBSOLETE flip_bytes (&flipped, 4); \ */
|
| 285 |
|
|
/* OBSOLETE *((int *) (((char *) dummyname)+CALL_DUMMY_ADDR)) = flipped; \ */
|
| 286 |
|
|
/* OBSOLETE flipped = - nargs * 4; \ */
|
| 287 |
|
|
/* OBSOLETE flip_bytes (&flipped, 4); \ */
|
| 288 |
|
|
/* OBSOLETE *((int *) (((char *) dummyname)+CALL_DUMMY_NARGS)) = flipped; \ */
|
| 289 |
|
|
/* OBSOLETE } */
|
