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[/] [or1k/] [trunk/] [insight/] [gdb/] [config/] [tic80/] [tm-tic80.h] - Rev 578
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/* OBSOLETE /* Parameters for execution on a TI TMS320C80 (MVP) processor. */ /* OBSOLETE Copyright 1997, 1999, 2000 */ /* OBSOLETE Free Software Foundation, Inc. */ /* OBSOLETE */ /* OBSOLETE This file is part of GDB. */ /* OBSOLETE */ /* OBSOLETE This program is free software; you can redistribute it and/or modify */ /* OBSOLETE it under the terms of the GNU General Public License as published by */ /* OBSOLETE the Free Software Foundation; either version 2 of the License, or */ /* OBSOLETE (at your option) any later version. */ /* OBSOLETE */ /* OBSOLETE This program is distributed in the hope that it will be useful, */ /* OBSOLETE but WITHOUT ANY WARRANTY; without even the implied warranty of */ /* OBSOLETE MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ /* OBSOLETE GNU General Public License for more details. */ /* OBSOLETE */ /* OBSOLETE You should have received a copy of the GNU General Public License */ /* OBSOLETE along with this program; if not, write to the Free Software */ /* OBSOLETE Foundation, Inc., 59 Temple Place - Suite 330, */ /* OBSOLETE Boston, MA 02111-1307, USA. */ */ /* OBSOLETE */ /* OBSOLETE #ifndef TM_TIC80_H */ /* OBSOLETE #define TM_TIC80_H */ /* OBSOLETE */ /* OBSOLETE #include "regcache.h" */ /* OBSOLETE */ /* OBSOLETE /* Forward declare structs used in prototypes */ */ /* OBSOLETE struct frame_info; */ /* OBSOLETE struct type; */ /* OBSOLETE struct value; */ /* OBSOLETE struct symbol; */ /* OBSOLETE struct frame_saved_regs; */ /* OBSOLETE */ /* OBSOLETE #define TARGET_BYTE_ORDER LITTLE_ENDIAN */ /* OBSOLETE */ /* OBSOLETE #define NUM_REGS 38 */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_NAMES \ */ /* OBSOLETE { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ */ /* OBSOLETE "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \ */ /* OBSOLETE "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \ */ /* OBSOLETE "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \ */ /* OBSOLETE "pc", "npc", \ */ /* OBSOLETE "a0", "a1", "a2", "a3", \ */ /* OBSOLETE } */ /* OBSOLETE */ /* OBSOLETE /* Various dedicated register numbers */ /* OBSOLETE FIXME: Shadow updates in sim/tic80/sim-calls.c */ */ /* OBSOLETE */ /* OBSOLETE #define SP_REGNUM 1 /* Contains address of top of stack */ */ /* OBSOLETE #define ARG0_REGNUM 2 /* Contains argument 1 (r3 has high word) */ */ /* OBSOLETE #define RET_REGNUM 2 /* Contains function return value */ */ /* OBSOLETE #define ARGLAST_REGNUM 12 /* Contains argument 6 (r13 has high word) */ */ /* OBSOLETE #define FP_REGNUM 30 /* Contains address of executing stack frame */ */ /* OBSOLETE #define LR_REGNUM 31 /* Contains address of caller (link register) */ */ /* OBSOLETE #define PC_REGNUM 32 /* Contains program counter (FIXME?) */ */ /* OBSOLETE #define NPC_REGNUM 33 /* Contains the next program counter (FIXME?) */ */ /* OBSOLETE #define A0_REGNUM 34 /* Accumulator register 0 */ */ /* OBSOLETE #define A3_REGNUM 37 /* Accumulator register 1 */ */ /* OBSOLETE */ /* OBSOLETE #define R0_REGNUM 0 /* General Purpose Register 0 - for sim */ */ /* OBSOLETE #define Rn_REGNUM 31 /* Last General Purpose Register - for sim */ */ /* OBSOLETE #define An_REGNUM A3_REGNUM /* Last Accumulator register - for sim */ */ /* OBSOLETE */ /* OBSOLETE /* Total amount of space needed to store our copies of the machine's */ /* OBSOLETE register state, the array `registers'. */ */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_BYTES (((NUM_REGS - 4) * 4) + (4 * 8)) */ /* OBSOLETE */ /* OBSOLETE /* Index within `registers' of the first byte of the space for */ /* OBSOLETE register N. */ */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_BYTE(N) \ */ /* OBSOLETE (((N) >= A0_REGNUM) ? (((N) - A0_REGNUM) * 8 + A0_REGNUM * 4) : ((N) * 4)) */ /* OBSOLETE */ /* OBSOLETE /* Most registers are 4 bytes */ */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_SIZE 4 */ /* OBSOLETE */ /* OBSOLETE /* Some registers are 8 bytes. */ */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_RAW_SIZE(N) \ */ /* OBSOLETE (((N) >= A0_REGNUM) ? 8 : 4) */ /* OBSOLETE */ /* OBSOLETE /* Largest value REGISTER_RAW_SIZE can have. */ */ /* OBSOLETE */ /* OBSOLETE #define MAX_REGISTER_RAW_SIZE (8) */ /* OBSOLETE */ /* OBSOLETE /* All regs are 4 bytes. */ */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_VIRTUAL_SIZE(N) (REGISTER_RAW_SIZE(N)) */ /* OBSOLETE */ /* OBSOLETE /* Largest value REGISTER_VIRTUAL_SIZE can have. */ */ /* OBSOLETE */ /* OBSOLETE #define MAX_REGISTER_VIRTUAL_SIZE (MAX_REGISTER_RAW_SIZE) */ /* OBSOLETE */ /* OBSOLETE /* Return the GDB type object for the "standard" data type */ /* OBSOLETE of data in register N. */ */ /* OBSOLETE */ /* OBSOLETE #define REGISTER_VIRTUAL_TYPE(N) /* FIXME? */ \ */ /* OBSOLETE (((N) >= A0_REGNUM) ? builtin_type_float : builtin_type_int) */ /* OBSOLETE */ /* OBSOLETE /* Offset from address of function to start of its code. */ /* OBSOLETE Zero on most machines. */ */ /* OBSOLETE */ /* OBSOLETE #define FUNCTION_START_OFFSET 0 */ /* OBSOLETE */ /* OBSOLETE /* Stack grows downward. */ */ /* OBSOLETE */ /* OBSOLETE #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) */ /* OBSOLETE */ /* OBSOLETE /* Sequence of bytes for breakpoint instruction. */ /* OBSOLETE This is padded out to the size of a machine word. */ */ /* OBSOLETE */ /* OBSOLETE #define BREAKPOINT {0x49, 0x80, 0x00, 0x00} /* FIXME! */ */ /* OBSOLETE */ /* OBSOLETE /* Amount PC must be decremented by after a breakpoint. */ /* OBSOLETE This is often the number of bytes in BREAKPOINT */ /* OBSOLETE but not always. */ */ /* OBSOLETE */ /* OBSOLETE #define DECR_PC_AFTER_BREAK 0 /* FIXME! */ */ /* OBSOLETE */ /* OBSOLETE /* Discard from the stack the innermost frame, restoring all registers. */ */ /* OBSOLETE */ /* OBSOLETE #define POP_FRAME tic80_pop_frame(get_current_frame ()) */ /* OBSOLETE extern struct frame_info *tic80_pop_frame (struct frame_info *frame); */ /* OBSOLETE */ /* OBSOLETE /* Return number of bytes at start of arglist that are not really args. */ */ /* OBSOLETE */ /* OBSOLETE #define FRAME_ARGS_SKIP 0 */ /* OBSOLETE */ /* OBSOLETE /* Set VAL to the number of args passed to frame described by FI. */ /* OBSOLETE Can set VAL to -1, meaning no way to tell. */ */ /* OBSOLETE /* We can't tell how many args there are */ */ /* OBSOLETE */ /* OBSOLETE #define FRAME_NUM_ARGS(fi) (-1) */ /* OBSOLETE */ /* OBSOLETE #define FRAME_ARGS_SKIP 0 */ /* OBSOLETE #define FRAME_ARGS_ADDRESS(fi) (fi)->frame */ /* OBSOLETE #define FRAME_LOCALS_ADDRESS(fi) (fi)->frame */ /* OBSOLETE */ /* OBSOLETE /* Define other aspects of the stack frame. */ /* OBSOLETE We keep the offsets of all saved registers, 'cause we need 'em a lot! */ /* OBSOLETE We also keep the current size of the stack frame, and the offset of */ /* OBSOLETE the frame pointer from the stack pointer (for frameless functions, and */ /* OBSOLETE when we're still in the prologue of a function with a frame) */ */ /* OBSOLETE */ /* OBSOLETE #define EXTRA_FRAME_INFO \ */ /* OBSOLETE struct frame_saved_regs fsr; \ */ /* OBSOLETE int framesize; \ */ /* OBSOLETE int frameoffset; \ */ /* OBSOLETE int framereg; */ /* OBSOLETE */ /* OBSOLETE extern void tic80_init_extra_frame_info (struct frame_info *fi); */ /* OBSOLETE #define INIT_EXTRA_FRAME_INFO(fromleaf, fi) tic80_init_extra_frame_info (fi) */ /* OBSOLETE #define INIT_FRAME_PC /* Not necessary */ */ /* OBSOLETE */ /* OBSOLETE /* Put here the code to store, into a struct frame_saved_regs, */ /* OBSOLETE the addresses of the saved registers of frame described by FRAME_INFO. */ /* OBSOLETE This includes special registers such as pc and fp saved in special */ /* OBSOLETE ways in the stack frame. sp is even more special: */ /* OBSOLETE the address we return for it IS the sp for the next frame. */ */ /* OBSOLETE */ /* OBSOLETE #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ */ /* OBSOLETE tic80_frame_find_saved_regs(frame_info, &(frame_saved_regs)) */ /* OBSOLETE extern void tic80_frame_find_saved_regs (struct frame_info *, */ /* OBSOLETE struct frame_saved_regs *); */ /* OBSOLETE */ /* OBSOLETE /* Advance PC across any function entry prologue instructions */ /* OBSOLETE to reach some "real" code. */ */ /* OBSOLETE */ /* OBSOLETE #define SKIP_PROLOGUE(pc) (tic80_skip_prologue (pc)) */ /* OBSOLETE extern CORE_ADDR tic80_skip_prologue (CORE_ADDR pc); */ /* OBSOLETE */ /* OBSOLETE /* Immediately after a function call, return the saved pc. */ /* OBSOLETE Can't always go through the frames for this because on some machines */ /* OBSOLETE the new frame is not set up until the new function executes */ /* OBSOLETE some instructions. */ */ /* OBSOLETE */ /* OBSOLETE #define SAVED_PC_AFTER_CALL(frame) read_register (LR_REGNUM) */ /* OBSOLETE */ /* OBSOLETE /* Describe the pointer in each stack frame to the previous stack frame */ /* OBSOLETE (its caller). */ */ /* OBSOLETE */ /* OBSOLETE /* FRAME_CHAIN takes a frame's nominal address */ /* OBSOLETE and produces the frame's chain-pointer. */ */ /* OBSOLETE */ /* OBSOLETE #define FRAME_CHAIN(thisframe) (CORE_ADDR) tic80_frame_chain (thisframe) */ /* OBSOLETE extern CORE_ADDR tic80_frame_chain (struct frame_info *); */ /* OBSOLETE */ /* OBSOLETE #define FRAME_SAVED_PC(FRAME) tic80_frame_saved_pc (FRAME) */ /* OBSOLETE extern CORE_ADDR tic80_frame_saved_pc (struct frame_info *); */ /* 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 */ /* OBSOLETE We store structs through a pointer passed in R2 */ */ /* OBSOLETE */ /* OBSOLETE #define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \ */ /* OBSOLETE write_register (ARG0_REGNUM, STRUCT_ADDR) */ /* 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. */ */ /* OBSOLETE */ /* OBSOLETE #define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ */ /* OBSOLETE memcpy ((VALBUF), \ */ /* OBSOLETE (char *)(REGBUF) + REGISTER_BYTE (RET_REGNUM) + \ */ /* OBSOLETE ((TYPE_LENGTH (TYPE) > 4 ? 8 : 4) - TYPE_LENGTH (TYPE)), \ */ /* OBSOLETE TYPE_LENGTH (TYPE)) */ /* OBSOLETE */ /* OBSOLETE /* Write into appropriate registers a function return value */ /* OBSOLETE of type TYPE, given in virtual format. */ */ /* OBSOLETE */ /* OBSOLETE #define STORE_RETURN_VALUE(TYPE,VALBUF) \ */ /* OBSOLETE write_register_bytes(REGISTER_BYTE (RET_REGNUM) + \ */ /* OBSOLETE ((TYPE_LENGTH (TYPE) > 4 ? 8:4) - TYPE_LENGTH (TYPE)),\ */ /* OBSOLETE (VALBUF), TYPE_LENGTH (TYPE)); */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE */ /* OBSOLETE /* PUSH_ARGUMENTS */ */ /* OBSOLETE extern CORE_ADDR tic80_push_arguments (int nargs, */ /* OBSOLETE struct value **args, */ /* OBSOLETE CORE_ADDR sp, */ /* OBSOLETE unsigned char struct_return, */ /* OBSOLETE CORE_ADDR struct_addr); */ /* OBSOLETE */ /* OBSOLETE #define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \ */ /* OBSOLETE (tic80_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR)) */ /* OBSOLETE */ /* OBSOLETE /* PUSH_RETURN_ADDRESS */ */ /* OBSOLETE extern CORE_ADDR tic80_push_return_address (CORE_ADDR, CORE_ADDR); */ /* OBSOLETE #define PUSH_RETURN_ADDRESS(PC, SP) tic80_push_return_address (PC, SP) */ /* OBSOLETE */ /* OBSOLETE /* override the standard get_saved_register function with */ /* OBSOLETE one that takes account of generic CALL_DUMMY frames */ */ /* OBSOLETE #define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \ */ /* OBSOLETE generic_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval) */ /* OBSOLETE */ /* OBSOLETE #define USE_GENERIC_DUMMY_FRAMES 1 */ /* OBSOLETE #define CALL_DUMMY {0} */ /* OBSOLETE #define CALL_DUMMY_LENGTH (0) */ /* OBSOLETE #define CALL_DUMMY_START_OFFSET (0) */ /* OBSOLETE #define CALL_DUMMY_BREAKPOINT_OFFSET (0) */ /* OBSOLETE #define FIX_CALL_DUMMY(DUMMY1, STARTADDR, FUNADDR, NARGS, ARGS, TYPE, GCCP) */ /* OBSOLETE #define CALL_DUMMY_LOCATION AT_ENTRY_POINT */ /* OBSOLETE #define CALL_DUMMY_ADDRESS() entry_point_address () */ /* OBSOLETE */ /* OBSOLETE /* generic dummy frame stuff */ */ /* OBSOLETE */ /* OBSOLETE #define PUSH_DUMMY_FRAME generic_push_dummy_frame () */ /* OBSOLETE #define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP) */ /* OBSOLETE */ /* OBSOLETE #endif /* TM_TIC80_H */ */
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