| /* Parameters for execution on a Matsushita mn10200 processor. |
| |
| Copyright 1997, 1998, 1999, 2000, 2001, 2002 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. */ |
| |
| /* FIXME: cagney/2001-03-01: The below macros refer to functions |
| declared in "regcache.h". The ``correct fix'' is to convert those |
| macros into functions. */ |
| #include "regcache.h" |
| #include "symtab.h" /* For namespace_enum. */ |
| #include "symfile.h" /* For entry_point_address(). */ |
| |
| /* ints are only 16bits on the mn10200. */ |
| #undef TARGET_INT_BIT |
| #define TARGET_INT_BIT 16 |
| |
| /* The mn10200 doesn't support long long types. */ |
| #undef TARGET_LONG_LONG_BIT |
| #define TARGET_LONG_LONG_BIT 32 |
| |
| /* The mn10200 doesn't support double or long double either. */ |
| #undef TARGET_DOUBLE_BIT |
| #undef TARGET_LONG_DOUBLE_BIT |
| #define TARGET_DOUBLE_BIT 32 |
| #define TARGET_LONG_DOUBLE_BIT 32 |
| |
| /* Not strictly correct, but the machine independent code is not |
| ready to handle any of the basic sizes not being a power of two. */ |
| #undef TARGET_PTR_BIT |
| #define TARGET_PTR_BIT 32 |
| |
| /* The mn10200 really has 24 bit registers but the simulator reads/writes |
| them as 32bit values, so we claim they're 32bits each. This may have |
| to be tweaked if the Matsushita emulator/board really deals with them |
| as 24bits each. */ |
| #define REGISTER_SIZE 4 |
| |
| #define MAX_REGISTER_RAW_SIZE REGISTER_SIZE |
| #define NUM_REGS 11 |
| |
| #define REGISTER_BYTES (NUM_REGS * REGISTER_SIZE) |
| |
| #define REGISTER_NAMES \ |
| { "d0", "d1", "d2", "d3", "a0", "a1", "a2", "sp", \ |
| "pc", "mdr", "psw"} |
| |
| #define FP_REGNUM 6 |
| #define SP_REGNUM 7 |
| #define PC_REGNUM 8 |
| #define MDR_REGNUM 9 |
| #define PSW_REGNUM 10 |
| |
| /* Treat the registers as 32bit values. */ |
| #define REGISTER_VIRTUAL_TYPE(REG) builtin_type_long |
| |
| #define REGISTER_BYTE(REG) ((REG) * REGISTER_SIZE) |
| #define REGISTER_VIRTUAL_SIZE(REG) REGISTER_SIZE |
| #define REGISTER_RAW_SIZE(REG) REGISTER_SIZE |
| |
| #define MAX_REGISTER_VIRTUAL_SIZE REGISTER_SIZE |
| |
| /* The breakpoint instruction must be the same size as te 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. |
| |
| 0xff is the only available single byte insn left on the mn10200. */ |
| #define BREAKPOINT {0xff} |
| |
| #define FUNCTION_START_OFFSET 0 |
| |
| #define DECR_PC_AFTER_BREAK 0 |
| |
| /* Stacks grow the normal way. */ |
| #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) |
| |
| #define SAVED_PC_AFTER_CALL(frame) \ |
| (read_memory_integer (read_register (SP_REGNUM), REGISTER_SIZE) & 0xffffff) |
| |
| struct frame_info; |
| struct frame_saved_regs; |
| struct type; |
| struct value; |
| |
| #define EXTRA_FRAME_INFO struct frame_saved_regs fsr; int status; int stack_size; |
| |
| extern void mn10200_init_extra_frame_info (struct frame_info *); |
| #define INIT_EXTRA_FRAME_INFO(fromleaf, fi) mn10200_init_extra_frame_info (fi) |
| #define INIT_FRAME_PC(x,y) |
| |
| extern void mn10200_frame_find_saved_regs (struct frame_info *, |
| struct frame_saved_regs *); |
| #define FRAME_FIND_SAVED_REGS(fi, regaddr) regaddr = fi->fsr |
| |
| extern CORE_ADDR mn10200_frame_chain (struct frame_info *); |
| #define FRAME_CHAIN(fi) mn10200_frame_chain (fi) |
| #define FRAME_CHAIN_VALID(FP, FI) generic_file_frame_chain_valid (FP, FI) |
| |
| extern CORE_ADDR mn10200_find_callers_reg (struct frame_info *, int); |
| extern CORE_ADDR mn10200_frame_saved_pc (struct frame_info *); |
| #define FRAME_SAVED_PC(FI) (mn10200_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 DEPRECATED_EXTRACT_RETURN_VALUE(TYPE, REGBUF, VALBUF) \ |
| { \ |
| if (TYPE_LENGTH (TYPE) > 8) \ |
| internal_error (__FILE__, __LINE__, "failed internal consistency check"); \ |
| else if (TYPE_LENGTH (TYPE) > 2 && TYPE_CODE (TYPE) != TYPE_CODE_PTR) \ |
| { \ |
| memcpy (VALBUF, REGBUF + REGISTER_BYTE (0), 2); \ |
| memcpy (VALBUF + 2, REGBUF + REGISTER_BYTE (1), 2); \ |
| } \ |
| else 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 DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ |
| extract_address (REGBUF + REGISTER_BYTE (4), \ |
| REGISTER_RAW_SIZE (4)) |
| |
| #define DEPRECATED_STORE_RETURN_VALUE(TYPE, VALBUF) \ |
| { \ |
| if (TYPE_LENGTH (TYPE) > 8) \ |
| internal_error (__FILE__, __LINE__, "failed internal consistency check"); \ |
| else if (TYPE_LENGTH (TYPE) > 2 && TYPE_CODE (TYPE) != TYPE_CODE_PTR) \ |
| { \ |
| write_register_bytes (REGISTER_BYTE (0), VALBUF, 2); \ |
| write_register_bytes (REGISTER_BYTE (1), VALBUF + 2, 2); \ |
| } \ |
| else 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)); \ |
| } \ |
| } |
| |
| |
| extern CORE_ADDR mn10200_store_struct_return (CORE_ADDR addr, CORE_ADDR sp); |
| #define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \ |
| (SP) = mn10200_store_struct_return (STRUCT_ADDR, SP) |
| |
| extern CORE_ADDR mn10200_skip_prologue (CORE_ADDR); |
| #define SKIP_PROLOGUE(pc) (mn10200_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(fi) (-1) |
| |
| extern void mn10200_pop_frame (struct frame_info *); |
| #define POP_FRAME mn10200_pop_frame (get_current_frame ()) |
| |
| #define USE_GENERIC_DUMMY_FRAMES 1 |
| #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 mn10200_push_return_address (CORE_ADDR, CORE_ADDR); |
| #define PUSH_RETURN_ADDRESS(PC, SP) mn10200_push_return_address (PC, SP) |
| |
| #define PUSH_DUMMY_FRAME generic_push_dummy_frame () |
| |
| extern CORE_ADDR mn10200_push_arguments (int, struct value **, CORE_ADDR, |
| unsigned char, CORE_ADDR); |
| #define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \ |
| (mn10200_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR)) |
| |
| #define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP) |
| |
| #define REG_STRUCT_HAS_ADDR(gcc_p,TYPE) \ |
| (TYPE_LENGTH (TYPE) > 8) |
| |
| extern use_struct_convention_fn mn10200_use_struct_convention; |
| #define USE_STRUCT_CONVENTION(GCC_P, TYPE) mn10200_use_struct_convention (GCC_P, TYPE) |
| |
| /* Override the default get_saved_register function with |
| one that takes account of generic CALL_DUMMY frames. */ |
| #define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \ |
| generic_unwind_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval) |
| |
| /* Define this for Wingdb */ |
| #define TARGET_MN10200 |