f05bd277cf
(set_machine_hook): New function. Copy the appropriate register
names into reg_names.
(_initialize_mn10300_tdep): Set up to call set_machine_hook.
* tm-mn10300 (NUM_REGS): Bump to 32.
(REGISTER_NAMES): Updated accordingly.
start-sanitize-am33
* mn10300-tdep.c (am33_register_names): New variable.
(mn10300_analyze_prologue): Handle regs saved by am33 prologues.
* tm-mn10300.h (E0_REGNUM): Define.
end-sanitize-am33
Initial am33 support.
169 lines
5.6 KiB
C
169 lines
5.6 KiB
C
/* Parameters for execution on a Matsushita mn10300 processor.
|
|
Copyright 1996, 1997 Free Software Foundation, Inc.
|
|
|
|
Contributed by Geoffrey Noer <noer@cygnus.com>
|
|
|
|
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. */
|
|
|
|
/* The mn10300 is little endian. */
|
|
#define TARGET_BYTE_ORDER LITTLE_ENDIAN
|
|
|
|
/* All registers are 32bits (phew!). */
|
|
#define REGISTER_SIZE 4
|
|
#define MAX_REGISTER_RAW_SIZE 4
|
|
#define NUM_REGS 32
|
|
|
|
#define REGISTER_VIRTUAL_TYPE(REG) builtin_type_int
|
|
|
|
#define REGISTER_BYTE(REG) ((REG) * 4)
|
|
#define REGISTER_VIRTUAL_SIZE(REG) 4
|
|
#define REGISTER_RAW_SIZE(REG) 4
|
|
|
|
#define MAX_REGISTER_VIRTUAL_SIZE 4
|
|
|
|
#define REGISTER_BYTES (NUM_REGS * REGISTER_SIZE)
|
|
|
|
#define REGISTER_NAMES \
|
|
{ "d0", "d1", "d2", "d3", "a0", "a1", "a2", "a3", \
|
|
"sp", "pc", "mdr", "psw", "lir", "lar", "", "", \
|
|
"", "", "", "", "", "", "", "", \
|
|
"", "", "", "", "", "", "", "" }
|
|
|
|
#define SP_REGNUM 8
|
|
#define PC_REGNUM 9
|
|
#define MDR_REGNUM 10
|
|
#define PSW_REGNUM 11
|
|
#define LIR_REGNUM 12
|
|
#define LAR_REGNUM 13
|
|
/* start-sanitize-am33 */
|
|
#define E0_REGNUM 14
|
|
/* end-sanitize-am33 */
|
|
|
|
#define FP_REGNUM 7
|
|
|
|
/* The breakpoint instruction must be the same size as the smallest
|
|
instruction in the instruction set.
|
|
|
|
The Matsushita mn10x00 processors have single byte instructions
|
|
so we need a single byte breakpoint. Matsushita hasn't defined
|
|
one, so we defined it ourselves. */
|
|
#define BREAKPOINT {0xff}
|
|
|
|
#define FUNCTION_START_OFFSET 0
|
|
|
|
#define DECR_PC_AFTER_BREAK 0
|
|
|
|
#define INNER_THAN <
|
|
|
|
#define SAVED_PC_AFTER_CALL(frame) \
|
|
read_memory_integer (read_register (SP_REGNUM), 4)
|
|
|
|
#ifdef __STDC__
|
|
struct frame_info;
|
|
struct frame_saved_regs;
|
|
struct type;
|
|
struct value;
|
|
#endif
|
|
|
|
#define EXTRA_FRAME_INFO struct frame_saved_regs fsr; int status; int stack_size;
|
|
|
|
extern void mn10300_init_extra_frame_info PARAMS ((struct frame_info *));
|
|
#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) mn10300_init_extra_frame_info (fi)
|
|
#define INIT_FRAME_PC /* Not necessary */
|
|
|
|
extern void mn10300_frame_find_saved_regs PARAMS ((struct frame_info *,
|
|
struct frame_saved_regs *));
|
|
#define FRAME_FIND_SAVED_REGS(fi, regaddr) regaddr = fi->fsr
|
|
|
|
extern CORE_ADDR mn10300_frame_chain PARAMS ((struct frame_info *));
|
|
#define FRAME_CHAIN(fi) mn10300_frame_chain (fi)
|
|
#define FRAME_CHAIN_VALID(FP, FI) generic_frame_chain_valid (FP, FI)
|
|
|
|
extern CORE_ADDR mn10300_find_callers_reg PARAMS ((struct frame_info *, int));
|
|
extern CORE_ADDR mn10300_frame_saved_pc PARAMS ((struct frame_info *));
|
|
#define FRAME_SAVED_PC(FI) (mn10300_frame_saved_pc (FI))
|
|
|
|
/* 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) \
|
|
if (TYPE_CODE (TYPE) == TYPE_CODE_PTR) \
|
|
memcpy (VALBUF, REGBUF + REGISTER_BYTE (4), TYPE_LENGTH (TYPE)); \
|
|
else \
|
|
memcpy (VALBUF, REGBUF + REGISTER_BYTE (0), TYPE_LENGTH (TYPE));
|
|
|
|
|
|
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
|
|
extract_address (REGBUF + REGISTER_BYTE (4), \
|
|
REGISTER_RAW_SIZE (4))
|
|
|
|
#define STORE_RETURN_VALUE(TYPE, VALBUF) \
|
|
if (TYPE_CODE (TYPE) == TYPE_CODE_PTR) \
|
|
write_register_bytes(REGISTER_BYTE (4), VALBUF, TYPE_LENGTH (TYPE)); \
|
|
else \
|
|
write_register_bytes(REGISTER_BYTE (0), VALBUF, TYPE_LENGTH (TYPE));
|
|
|
|
#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \
|
|
(SP) = mn10300_store_struct_return (STRUCT_ADDR, SP)
|
|
|
|
extern CORE_ADDR mn10300_skip_prologue PARAMS ((CORE_ADDR));
|
|
#define SKIP_PROLOGUE(pc) pc = mn10300_skip_prologue (pc)
|
|
|
|
#define FRAME_ARGS_SKIP 0
|
|
|
|
#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
|
|
#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
|
|
#define FRAME_NUM_ARGS(val, fi) ((val) = -1)
|
|
|
|
extern void mn10300_pop_frame PARAMS ((struct frame_info *));
|
|
#define POP_FRAME mn10300_pop_frame (get_current_frame ())
|
|
|
|
#define USE_GENERIC_DUMMY_FRAMES
|
|
#define CALL_DUMMY {0}
|
|
#define CALL_DUMMY_START_OFFSET (0)
|
|
#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
|
|
#define CALL_DUMMY_LOCATION AT_ENTRY_POINT
|
|
#define FIX_CALL_DUMMY(DUMMY, START, FUNADDR, NARGS, ARGS, TYPE, GCCP)
|
|
#define CALL_DUMMY_ADDRESS() entry_point_address ()
|
|
|
|
extern CORE_ADDR mn10300_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR));
|
|
#define PUSH_RETURN_ADDRESS(PC, SP) mn10300_push_return_address (PC, SP)
|
|
|
|
#define PUSH_DUMMY_FRAME generic_push_dummy_frame ()
|
|
|
|
extern CORE_ADDR
|
|
mn10300_push_arguments PARAMS ((int, struct value **, CORE_ADDR,
|
|
unsigned char, CORE_ADDR ));
|
|
#define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \
|
|
(SP) = mn10300_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR)
|
|
|
|
#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP)
|
|
|
|
#define REG_STRUCT_HAS_ADDR(gcc_p,TYPE) \
|
|
(TYPE_LENGTH (TYPE) > 8)
|
|
|
|
#define USE_STRUCT_CONVENTION(GCC_P, TYPE) \
|
|
(TYPE_NFIELDS (TYPE) > 1 || TYPE_LENGTH (TYPE) > 8)
|
|
|
|
/* override the default get_saved_register function with
|
|
one that takes account of generic CALL_DUMMY frames */
|
|
#define GET_SAVED_REGISTER
|
|
|
|
/* Define this for Wingdb */
|
|
|
|
#define TARGET_MN10300
|