gdb/config/mn10300/tm-mn10300.h

   1 /* Parameters for execution on a Matsushita mn10300 processor.
   2    Copyright 1996, 1997, 1998, 1999, 2000, 2001
   3    Free Software Foundation, Inc.
   4
   5    Contributed by Geoffrey Noer <noer@cygnus.com>
   6
   7    This file is part of GDB.
   8
   9    This program is free software; you can redistribute it and/or modify
  10    it under the terms of the GNU General Public License as published by
  11    the Free Software Foundation; either version 2 of the License, or
  12    (at your option) any later version.
  13
  14    This program is distributed in the hope that it will be useful,
  15    but WITHOUT ANY WARRANTY; without even the implied warranty of
  16    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17    GNU General Public License for more details.
  18
  19    You should have received a copy of the GNU General Public License
  20    along with this program; if not, write to the Free Software
  21    Foundation, Inc., 59 Temple Place - Suite 330,
  22    Boston, MA 02111-1307, USA.  */
  23
  24 #define GDB_MULTI_ARCH 1
  25
  26 /* The mn10300 is little endian.  */
  27 #define TARGET_BYTE_ORDER_DEFAULT LITTLE_ENDIAN
  28
  29 /* All registers are 32bits (phew!).  */
  30 #if !GDB_MULTI_ARCH
  31 #define REGISTER_SIZE 4
  32 #define MAX_REGISTER_RAW_SIZE 4
  33 #define NUM_REGS 32
  34 #endif
  35
  36 #if !GDB_MULTI_ARCH
  37 #define REGISTER_VIRTUAL_TYPE(REG) builtin_type_int
  38 #endif
  39
  40 #if !GDB_MULTI_ARCH
  41 #define REGISTER_BYTE(REG) ((REG) * 4)
  42 #define REGISTER_VIRTUAL_SIZE(REG) 4
  43 #define REGISTER_RAW_SIZE(REG) 4
  44 #endif
  45
  46 #define MAX_REGISTER_VIRTUAL_SIZE 4
  47
  48 #define REGISTER_BYTES (NUM_REGS * REGISTER_SIZE)
  49
  50 #define D2_REGNUM 2
  51 #define D3_REGNUM 3
  52 #define A2_REGNUM 6
  53 #define A3_REGNUM 7
  54 #define SP_REGNUM 8
  55 #define PC_REGNUM 9
  56 #define MDR_REGNUM 10
  57 #define PSW_REGNUM 11
  58 #define LIR_REGNUM 12
  59 #define LAR_REGNUM 13
  60 #define E0_REGNUM 15
  61
  62 /* Pseudo register that contains true address of executing stack frame */
  63 #define FP_REGNUM 31
  64
  65 /* BREAKPOINT_FROM_PC uses the program counter value to determine the
  66    breakpoint that should be used */
  67 extern breakpoint_from_pc_fn mn10300_breakpoint_from_pc;
  68 #define BREAKPOINT_FROM_PC(pcptr, lenptr) mn10300_breakpoint_from_pc (pcptr, lenptr)
  69
  70 #define FUNCTION_START_OFFSET 0
  71
  72 #define DECR_PC_AFTER_BREAK 0
  73
  74 #define INNER_THAN(lhs,rhs) ((lhs) < (rhs))
  75
  76 extern CORE_ADDR mn10300_saved_pc_after_call (struct frame_info *frame);
  77 #define SAVED_PC_AFTER_CALL(frame) \
  78   mn10300_saved_pc_after_call (frame)
  79
  80 struct frame_info;
  81 struct type;
  82 struct value;
  83
  84 extern void mn10300_init_extra_frame_info (struct frame_info *);
  85 #define INIT_EXTRA_FRAME_INFO(fromleaf, fi) mn10300_init_extra_frame_info (fi)
  86 #define INIT_FRAME_PC           /* Not necessary */
  87
  88 #define FRAME_INIT_SAVED_REGS(fi)       /* handled by init_extra_frame_info */
  89
  90 extern CORE_ADDR mn10300_frame_chain (struct frame_info *);
  91 #define FRAME_CHAIN(fi) mn10300_frame_chain (fi)
  92 #define FRAME_CHAIN_VALID(FP, FI)       generic_file_frame_chain_valid (FP, FI)
  93
  94 extern CORE_ADDR mn10300_find_callers_reg (struct frame_info *, int);
  95 extern CORE_ADDR mn10300_frame_saved_pc (struct frame_info *);
  96 #define FRAME_SAVED_PC(FI) (mn10300_frame_saved_pc (FI))
  97
  98 /* Extract from an array REGBUF containing the (raw) register state
  99    a function return value of type TYPE, and copy that, in virtual format,
 100    into VALBUF. */
 101
 102 extern void mn10300_extract_return_value (struct type *type, char *regbuf,
 103                                           char *valbuf);
 104 #define EXTRACT_RETURN_VALUE(TYPE, REGBUF, VALBUF) \
 105   mn10300_extract_return_value (TYPE, REGBUF, VALBUF)
 106
 107 CORE_ADDR mn10300_extract_struct_value_address (char *regbuf);
 108 #define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
 109   mn10300_extract_struct_value_address (REGBUF)
 110
 111 void mn10300_store_return_value (struct type *type, char *valbuf);
 112 #define STORE_RETURN_VALUE(TYPE, VALBUF) \
 113   mn10300_store_return_value (TYPE, VALBUF)
 114
 115
 116 extern CORE_ADDR mn10300_store_struct_return (CORE_ADDR addr, CORE_ADDR sp);
 117 #define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \
 118   (mn10300_store_struct_return (STRUCT_ADDR, SP))
 119
 120 extern CORE_ADDR mn10300_skip_prologue (CORE_ADDR);
 121 #define SKIP_PROLOGUE(pc) (mn10300_skip_prologue (pc))
 122
 123 #define FRAME_ARGS_SKIP 0
 124
 125 #define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
 126 #define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
 127 #define FRAME_NUM_ARGS(fi) (-1)
 128
 129 extern void mn10300_pop_frame (struct frame_info *);
 130 #define POP_FRAME mn10300_pop_frame (get_current_frame ())
 131
 132 #define USE_GENERIC_DUMMY_FRAMES 1
 133 #define CALL_DUMMY                   {0}
 134 #define CALL_DUMMY_START_OFFSET      (0)
 135 #define CALL_DUMMY_BREAKPOINT_OFFSET (0)
 136 #define CALL_DUMMY_LOCATION          AT_ENTRY_POINT
 137 #define FIX_CALL_DUMMY(DUMMY, START, FUNADDR, NARGS, ARGS, TYPE, GCCP)
 138 #define CALL_DUMMY_ADDRESS()         entry_point_address ()
 139
 140 #define TARGET_READ_FP() read_sp ()
 141
 142 extern CORE_ADDR mn10300_push_return_address (CORE_ADDR, CORE_ADDR);
 143 #define PUSH_RETURN_ADDRESS(PC, SP)  mn10300_push_return_address (PC, SP)
 144
 145 #define PUSH_DUMMY_FRAME        generic_push_dummy_frame ()
 146 #define SAVE_DUMMY_FRAME_TOS(SP) generic_save_dummy_frame_tos (SP)
 147
 148 extern CORE_ADDR
 149 mn10300_push_arguments (int, struct value **, CORE_ADDR,
 150                         int, CORE_ADDR);
 151 #define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \
 152   (mn10300_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR))
 153
 154 #define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP)
 155
 156 #define REG_STRUCT_HAS_ADDR(gcc_p,TYPE) \
 157         (TYPE_LENGTH (TYPE) > 8)
 158
 159 extern use_struct_convention_fn mn10300_use_struct_convention;
 160 #define USE_STRUCT_CONVENTION(GCC_P, TYPE) mn10300_use_struct_convention (GCC_P, TYPE)
 161
 162 /* override the default get_saved_register function with
 163    one that takes account of generic CALL_DUMMY frames */
 164 #define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \
 165     generic_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval)
 166
 167 /* Cons up virtual frame pointer for trace */
 168 extern void mn10300_virtual_frame_pointer (CORE_ADDR, long *, long *);
 169 #define TARGET_VIRTUAL_FRAME_POINTER(PC, REGP, OFFP) \
 170         mn10300_virtual_frame_pointer ((PC), (REGP), (OFFP))