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Diffstat (limited to 'gdb/config/tic80/tm-tic80.h')
| -rw-r--r-- | gdb/config/tic80/tm-tic80.h | 256 |
1 files changed, 0 insertions, 256 deletions
diff --git a/gdb/config/tic80/tm-tic80.h b/gdb/config/tic80/tm-tic80.h deleted file mode 100644 index 18f0b5c58c1..00000000000 --- a/gdb/config/tic80/tm-tic80.h +++ /dev/null @@ -1,256 +0,0 @@ -/* Parameters for execution on a TI TMS320C80 (MVP) processor. - Copyright 1997 - Free Software Foundation, Inc. - -This file is part of GDB. - -This program is free software; you can redistribute it and/or modify -it under the terms of the GNU General Public License as published by -the Free Software Foundation; either version 2 of the License, or -(at your option) any later version. - -This program is distributed in the hope that it will be useful, -but WITHOUT ANY WARRANTY; without even the implied warranty of -MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -GNU General Public License for more details. - -You should have received a copy of the GNU General Public License -along with this program; if not, write to the Free Software -Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ - -#ifndef TM_TIC80_H -#define TM_TIC80_H - -#ifdef __STDC__ /* Forward declare structs used in prototypes */ -struct frame_info; -struct type; -struct value; -struct symbol; -struct frame_saved_regs; -#endif - -#define TARGET_BYTE_ORDER LITTLE_ENDIAN - -/* Define this if the C compiler puts an underscore at the front - of external names before giving them to the linker. */ - -#define NAMES_HAVE_UNDERSCORE - -#define NUM_REGS 38 - -#define REGISTER_NAMES \ -{ "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ - "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \ - "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \ - "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", \ - "pc", "npc", \ - "a0", "a1", "a2", "a3", \ -} - -/* Various dedicated register numbers - FIXME: Shadow updates in sim/tic80/sim-calls.c */ - -#define SP_REGNUM 1 /* Contains address of top of stack */ -#define ARG0_REGNUM 2 /* Contains argument 1 (r3 has high word) */ -#define RET_REGNUM 2 /* Contains function return value */ -#define ARGLAST_REGNUM 12 /* Contains argument 6 (r13 has high word) */ -#define FP_REGNUM 30 /* Contains address of executing stack frame */ -#define LR_REGNUM 31 /* Contains address of caller (link register) */ -#define PC_REGNUM 32 /* Contains program counter (FIXME?) */ -#define NPC_REGNUM 33 /* Contains the next program counter (FIXME?) */ -#define A0_REGNUM 34 /* Accumulator register 0 */ -#define A3_REGNUM 37 /* Accumulator register 1 */ - -#define R0_REGNUM 0 /* General Purpose Register 0 - for sim */ -#define Rn_REGNUM 31 /* Last General Purpose Register - for sim */ -#define An_REGNUM A3_REGNUM /* Last Accumulator register - for sim */ - -/* Total amount of space needed to store our copies of the machine's - register state, the array `registers'. */ - -#define REGISTER_BYTES (((NUM_REGS - 4) * 4) + (4 * 8)) - -/* Index within `registers' of the first byte of the space for - register N. */ - -#define REGISTER_BYTE(N) \ - (((N) >= A0_REGNUM) ? (((N) - A0_REGNUM) * 8 + A0_REGNUM * 4) : ((N) * 4)) - -/* Most registers are 4 bytes */ - -#define REGISTER_SIZE 4 - -/* Some registers are 8 bytes. */ - -#define REGISTER_RAW_SIZE(N) \ - (((N) >= A0_REGNUM) ? 8 : 4) - -/* Largest value REGISTER_RAW_SIZE can have. */ - -#define MAX_REGISTER_RAW_SIZE (8) - -/* All regs are 4 bytes. */ - -#define REGISTER_VIRTUAL_SIZE(N) (REGISTER_RAW_SIZE(N)) - -/* Largest value REGISTER_VIRTUAL_SIZE can have. */ - -#define MAX_REGISTER_VIRTUAL_SIZE (MAX_REGISTER_RAW_SIZE) - -/* Return the GDB type object for the "standard" data type - of data in register N. */ - -#define REGISTER_VIRTUAL_TYPE(N) /* FIXME? */ \ - (((N) >= A0_REGNUM) ? builtin_type_float : builtin_type_int) - -/* Offset from address of function to start of its code. - Zero on most machines. */ - -#define FUNCTION_START_OFFSET 0 - -/* Stack grows downward. */ - -#define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) - -/* Sequence of bytes for breakpoint instruction. - This is padded out to the size of a machine word. */ - -#define BREAKPOINT {0x49, 0x80, 0x00, 0x00} /* FIXME! */ - -/* Amount PC must be decremented by after a breakpoint. - This is often the number of bytes in BREAKPOINT - but not always. */ - -#define DECR_PC_AFTER_BREAK 0 /* FIXME! */ - -/* Discard from the stack the innermost frame, restoring all registers. */ - -#define POP_FRAME tic80_pop_frame(get_current_frame ()) -extern struct frame_info *tic80_pop_frame PARAMS ((struct frame_info *frame)); - -/* Return number of bytes at start of arglist that are not really args. */ - -#define FRAME_ARGS_SKIP 0 - -/* Set VAL to the number of args passed to frame described by FI. - Can set VAL to -1, meaning no way to tell. */ -/* We can't tell how many args there are */ - -#define FRAME_NUM_ARGS(val,fi) (val = -1) - -#define FRAME_ARGS_SKIP 0 -#define FRAME_ARGS_ADDRESS(fi) (fi)->frame -#define FRAME_LOCALS_ADDRESS(fi) (fi)->frame - -/* Define other aspects of the stack frame. - We keep the offsets of all saved registers, 'cause we need 'em a lot! - We also keep the current size of the stack frame, and the offset of - the frame pointer from the stack pointer (for frameless functions, and - when we're still in the prologue of a function with a frame) */ - -#define EXTRA_FRAME_INFO \ - struct frame_saved_regs fsr; \ - int framesize; \ - int frameoffset; \ - int framereg; - -extern void tic80_init_extra_frame_info PARAMS ((struct frame_info *fi)); -#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) tic80_init_extra_frame_info (fi) -#define INIT_FRAME_PC /* Not necessary */ - -/* Put here the code to store, into a struct frame_saved_regs, - the addresses of the saved registers of frame described by FRAME_INFO. - This includes special registers such as pc and fp saved in special - ways in the stack frame. sp is even more special: - the address we return for it IS the sp for the next frame. */ - -#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ - tic80_frame_find_saved_regs(frame_info, &(frame_saved_regs)) -extern void tic80_frame_find_saved_regs PARAMS ((struct frame_info *, struct frame_saved_regs *)); - -/* Advance PC across any function entry prologue instructions - to reach some "real" code. */ - -#define SKIP_PROLOGUE(pc) { (pc) = tic80_skip_prologue (pc); } -extern CORE_ADDR tic80_skip_prologue PARAMS ((CORE_ADDR pc)); - -/* Immediately after a function call, return the saved pc. - Can't always go through the frames for this because on some machines - the new frame is not set up until the new function executes - some instructions. */ - -#define SAVED_PC_AFTER_CALL(frame) read_register (LR_REGNUM) - -/* Describe the pointer in each stack frame to the previous stack frame - (its caller). */ - -/* FRAME_CHAIN takes a frame's nominal address - and produces the frame's chain-pointer. */ - -#define FRAME_CHAIN(thisframe) (CORE_ADDR) tic80_frame_chain (thisframe) -extern CORE_ADDR tic80_frame_chain PARAMS ((struct frame_info *)); - -#define FRAME_SAVED_PC(FRAME) tic80_frame_saved_pc (FRAME) -extern CORE_ADDR tic80_frame_saved_pc PARAMS ((struct frame_info *)); - -/* Store the address of the place in which to copy the structure the - subroutine will return. This is called from call_function. - - We store structs through a pointer passed in R2 */ - -#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \ - write_register (ARG0_REGNUM, STRUCT_ADDR) - -/* Extract from an array REGBUF containing the (raw) register state - a function return value of type TYPE, and copy that, in virtual format, - into VALBUF. */ - -#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ - memcpy ((VALBUF), \ - (char *)(REGBUF) + REGISTER_BYTE (RET_REGNUM) + \ - ((TYPE_LENGTH (TYPE) > 4 ? 8 : 4) - TYPE_LENGTH (TYPE)), \ - TYPE_LENGTH (TYPE)) - -/* Write into appropriate registers a function return value - of type TYPE, given in virtual format. */ - -#define STORE_RETURN_VALUE(TYPE,VALBUF) \ - write_register_bytes(REGISTER_BYTE (RET_REGNUM) + \ - ((TYPE_LENGTH (TYPE) > 4 ? 8:4) - TYPE_LENGTH (TYPE)),\ - (VALBUF), TYPE_LENGTH (TYPE)); - - - -/* PUSH_ARGUMENTS */ -extern CORE_ADDR tic80_push_arguments PARAMS ((int nargs, - struct value **args, - CORE_ADDR sp, - unsigned char struct_return, - CORE_ADDR struct_addr)); - -#define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \ - (SP) = tic80_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) - -/* PUSH_RETURN_ADDRESS */ -extern CORE_ADDR tic80_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR)); -#define PUSH_RETURN_ADDRESS(PC, SP) tic80_push_return_address (PC, SP) - -/* override the standard get_saved_register function with - one that takes account of generic CALL_DUMMY frames */ -#define GET_SAVED_REGISTER - -#define USE_GENERIC_DUMMY_FRAMES -#define CALL_DUMMY {0} -#define CALL_DUMMY_LENGTH (0) -#define CALL_DUMMY_START_OFFSET (0) -#define CALL_DUMMY_BREAKPOINT_OFFSET (0) -#define FIX_CALL_DUMMY(DUMMY1, STARTADDR, FUNADDR, NARGS, ARGS, TYPE, GCCP) -#define CALL_DUMMY_LOCATION AT_ENTRY_POINT -#define CALL_DUMMY_ADDRESS() entry_point_address () - -/* generic dummy frame stuff */ - -#define PUSH_DUMMY_FRAME generic_push_dummy_frame () -#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP) - -#endif /* TM_TIC80_H */ |