| /* 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_DEFAULT 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) |
| |
| extern char *mn10300_register_name PARAMS ((int regnr)); |
| #define REGISTER_NAME(i) (mn10300_register_name (i)) |
| |
| #define D2_REGNUM 2 |
| #define D3_REGNUM 3 |
| #define A2_REGNUM 6 |
| #define A3_REGNUM 7 |
| #define SP_REGNUM 8 |
| #define PC_REGNUM 9 |
| #define MDR_REGNUM 10 |
| #define PSW_REGNUM 11 |
| #define LIR_REGNUM 12 |
| #define LAR_REGNUM 13 |
| |
| /* Pseudo register that contains true address of executing stack frame */ |
| #define FP_REGNUM 31 |
| |
| /* BREAKPOINT_FROM_PC uses the program counter value to determine the |
| breakpoint that should be used */ |
| extern breakpoint_from_pc_fn mn10300_breakpoint_from_pc; |
| #define BREAKPOINT_FROM_PC(pcptr, lenptr) mn10300_breakpoint_from_pc (pcptr, lenptr) |
| |
| #define FUNCTION_START_OFFSET 0 |
| |
| #define DECR_PC_AFTER_BREAK 0 |
| |
| #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) |
| |
| extern CORE_ADDR mn10300_saved_pc_after_call PARAMS ((struct frame_info * frame)); |
| #define SAVED_PC_AFTER_CALL(frame) \ |
| mn10300_saved_pc_after_call (frame) |
| |
| struct frame_info; |
| struct type; |
| struct value; |
| |
| 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 */ |
| |
| #define FRAME_INIT_SAVED_REGS(fi) /* handled by init_extra_frame_info */ |
| |
| 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. */ |
| |
| extern void mn10300_extract_return_value PARAMS ((struct type * type, char *regbuf, char *valbuf)); |
| #define EXTRACT_RETURN_VALUE(TYPE, REGBUF, VALBUF) \ |
| mn10300_extract_return_value (TYPE, REGBUF, VALBUF) |
| |
| CORE_ADDR mn10300_extract_struct_value_address PARAMS ((char *regbuf)); |
| #define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ |
| mn10300_extract_struct_value_address (REGBUF) |
| |
| void mn10300_store_return_value PARAMS ((struct type * type, char *valbuf)); |
| #define STORE_RETURN_VALUE(TYPE, VALBUF) \ |
| mn10300_store_return_value (TYPE, VALBUF) |
| |
| |
| extern CORE_ADDR mn10300_store_struct_return (CORE_ADDR addr, CORE_ADDR sp); |
| #define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \ |
| (mn10300_store_struct_return (STRUCT_ADDR, SP)) |
| |
| extern CORE_ADDR mn10300_skip_prologue PARAMS ((CORE_ADDR)); |
| #define SKIP_PROLOGUE(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(fi) (-1) |
| |
| extern void mn10300_pop_frame PARAMS ((struct frame_info *)); |
| #define POP_FRAME mn10300_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 () |
| |
| #define TARGET_READ_FP() read_sp () |
| |
| 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 () |
| #define SAVE_DUMMY_FRAME_TOS(SP) generic_save_dummy_frame_tos (SP) |
| |
| 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) \ |
| (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, FP) |
| |
| #define REG_STRUCT_HAS_ADDR(gcc_p,TYPE) \ |
| (TYPE_LENGTH (TYPE) > 8) |
| |
| extern use_struct_convention_fn mn10300_use_struct_convention; |
| #define USE_STRUCT_CONVENTION(GCC_P, TYPE) mn10300_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_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval) |
| |
| /* Cons up virtual frame pointer for trace */ |
| extern void mn10300_virtual_frame_pointer PARAMS ((CORE_ADDR, long *, long *)); |
| #define TARGET_VIRTUAL_FRAME_POINTER(PC, REGP, OFFP) \ |
| mn10300_virtual_frame_pointer ((PC), (REGP), (OFFP)) |