| /* Parameters for execution on a Mitsubishi m32r processor. |
| Copyright 1996, 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. */ |
| |
| #include "regcache.h" |
| |
| /* Used by mswin. */ |
| #define TARGET_M32R 1 |
| |
| /* mvs_check REGISTER_NAMES */ |
| #define REGISTER_NAMES \ |
| { "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", \ |
| "r8", "r9", "r10", "r11", "r12", "fp", "lr", "sp", \ |
| "psw", "cbr", "spi", "spu", "bpc", "pc", "accl", "acch", \ |
| /* "cond", "sm", "bsm", "ie", "bie", "bcarry", */ \ |
| } |
| /* mvs_check NUM_REGS */ |
| #define NUM_REGS 24 |
| |
| /* mvs_check REGISTER_SIZE */ |
| #define REGISTER_SIZE 4 |
| /* mvs_check MAX_REGISTER_RAW_SIZE */ |
| #define MAX_REGISTER_RAW_SIZE 4 |
| |
| /* mvs_check *_REGNUM */ |
| #define R0_REGNUM 0 |
| #define STRUCT_RETURN_REGNUM 0 |
| #define ARG0_REGNUM 0 |
| #define ARGLAST_REGNUM 3 |
| #define V0_REGNUM 0 |
| #define V1_REGNUM 1 |
| #define FP_REGNUM 13 |
| #define RP_REGNUM 14 |
| #define SP_REGNUM 15 |
| #define PSW_REGNUM 16 |
| #define CBR_REGNUM 17 |
| #define SPI_REGNUM 18 |
| #define SPU_REGNUM 19 |
| #define BPC_REGNUM 20 |
| #define PC_REGNUM 21 |
| #define ACCL_REGNUM 22 |
| #define ACCH_REGNUM 23 |
| |
| /* mvs_check REGISTER_BYTES */ |
| #define REGISTER_BYTES (NUM_REGS * 4) |
| |
| /* mvs_check REGISTER_VIRTUAL_TYPE */ |
| #define REGISTER_VIRTUAL_TYPE(REG) builtin_type_int |
| |
| /* mvs_check REGISTER_BYTE */ |
| #define REGISTER_BYTE(REG) ((REG) * 4) |
| /* mvs_check REGISTER_VIRTUAL_SIZE */ |
| #define REGISTER_VIRTUAL_SIZE(REG) 4 |
| /* mvs_check REGISTER_RAW_SIZE */ |
| #define REGISTER_RAW_SIZE(REG) 4 |
| |
| /* mvs_check MAX_REGISTER_VIRTUAL_SIZE */ |
| #define MAX_REGISTER_VIRTUAL_SIZE 4 |
| |
| /* mvs_check BREAKPOINT */ |
| #define BREAKPOINT {0x10, 0xf1} |
| |
| /* mvs_no_check FUNCTION_START_OFFSET */ |
| #define FUNCTION_START_OFFSET 0 |
| |
| /* mvs_check DECR_PC_AFTER_BREAK */ |
| #define DECR_PC_AFTER_BREAK 0 |
| |
| /* mvs_check INNER_THAN */ |
| #define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) |
| |
| /* mvs_check SAVED_PC_AFTER_CALL */ |
| #define SAVED_PC_AFTER_CALL(fi) read_register (RP_REGNUM) |
| |
| struct frame_info; |
| struct frame_saved_regs; |
| struct type; |
| struct value; |
| |
| /* 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 whether |
| the frame pointer is valid (for frameless functions, and when we're |
| still in the prologue of a function with a frame) */ |
| |
| /* mvs_check EXTRA_FRAME_INFO */ |
| #define EXTRA_FRAME_INFO \ |
| struct frame_saved_regs fsr; \ |
| int framesize; \ |
| int using_frame_pointer; |
| |
| |
| extern void m32r_init_extra_frame_info (struct frame_info *fi); |
| /* mvs_check INIT_EXTRA_FRAME_INFO */ |
| #define INIT_EXTRA_FRAME_INFO(fromleaf, fi) m32r_init_extra_frame_info (fi) |
| /* mvs_no_check DEPRECATED_INIT_FRAME_PC */ |
| #define DEPRECATED_INIT_FRAME_PC init_frame_pc_noop |
| |
| extern void |
| m32r_frame_find_saved_regs (struct frame_info *fi, |
| struct frame_saved_regs *regaddr); |
| |
| /* 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. */ |
| |
| /* mvs_check FRAME_FIND_SAVED_REGS */ |
| #define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \ |
| m32r_frame_find_saved_regs(frame_info, &(frame_saved_regs)) |
| |
| extern CORE_ADDR m32r_frame_chain (struct frame_info *fi); |
| /* mvs_check FRAME_CHAIN */ |
| #define FRAME_CHAIN(fi) m32r_frame_chain (fi) |
| |
| #define FRAME_CHAIN_VALID(fp, frame) generic_file_frame_chain_valid (fp, frame) |
| |
| extern CORE_ADDR m32r_find_callers_reg (struct frame_info *fi, int regnum); |
| extern CORE_ADDR m32r_frame_saved_pc (struct frame_info *); |
| /* mvs_check FRAME_SAVED_PC */ |
| #define FRAME_SAVED_PC(fi) m32r_frame_saved_pc (fi) |
| |
| /* mvs_check DEPRECATED_EXTRACT_RETURN_VALUE */ |
| #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE, REGBUF, VALBUF) \ |
| memcpy ((VALBUF), \ |
| (char *)(REGBUF) + REGISTER_BYTE (V0_REGNUM) + \ |
| ((TYPE_LENGTH (TYPE) > 4 ? 8 : 4) - TYPE_LENGTH (TYPE)), \ |
| TYPE_LENGTH (TYPE)) |
| |
| /* mvs_check DEPRECATED_STORE_RETURN_VALUE */ |
| #define DEPRECATED_STORE_RETURN_VALUE(TYPE, VALBUF) \ |
| deprecated_write_register_bytes(REGISTER_BYTE (V0_REGNUM) + \ |
| ((TYPE_LENGTH (TYPE) > 4 ? 8:4) - TYPE_LENGTH (TYPE)),\ |
| (VALBUF), TYPE_LENGTH (TYPE)); |
| |
| extern CORE_ADDR m32r_skip_prologue (CORE_ADDR pc); |
| /* mvs_check SKIP_PROLOGUE */ |
| #define SKIP_PROLOGUE(pc) (m32r_skip_prologue (pc)) |
| |
| /* mvs_no_check FRAME_ARGS_SKIP */ |
| #define FRAME_ARGS_SKIP 0 |
| |
| /* mvs_no_check FRAME_ARGS_ADDRESS */ |
| #define FRAME_ARGS_ADDRESS(fi) ((fi)->frame) |
| /* mvs_no_check FRAME_LOCALS_ADDRESS */ |
| #define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) |
| /* mvs_no_check FRAME_NUM_ARGS */ |
| #define FRAME_NUM_ARGS(fi) (-1) |
| |
| #define COERCE_FLOAT_TO_DOUBLE(formal, actual) (1) |
| |
| extern void m32r_write_sp (CORE_ADDR val); |
| #define TARGET_WRITE_SP m32r_write_sp |
| |
| |
| |
| |
| |
| |
| /* struct passing and returning stuff */ |
| #define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \ |
| write_register (0, STRUCT_ADDR) |
| |
| extern use_struct_convention_fn m32r_use_struct_convention; |
| #define USE_STRUCT_CONVENTION(GCC_P, TYPE) m32r_use_struct_convention (GCC_P, TYPE) |
| |
| #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ |
| extract_address (REGBUF + REGISTER_BYTE (V0_REGNUM), \ |
| REGISTER_RAW_SIZE (V0_REGNUM)) |
| |
| #define REG_STRUCT_HAS_ADDR(gcc_p,type) (TYPE_LENGTH (type) > 8) |
| |
| |
| /* generic dummy frame stuff */ |
| |
| #define PUSH_DUMMY_FRAME generic_push_dummy_frame () |
| #define DEPRECATED_PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP) |
| |
| |
| /* target-specific dummy_frame stuff */ |
| |
| extern struct frame_info *m32r_pop_frame (struct frame_info *frame); |
| /* mvs_check POP_FRAME */ |
| #define POP_FRAME m32r_pop_frame (get_current_frame ()) |
| |
| /* mvs_no_check STACK_ALIGN */ |
| /* #define STACK_ALIGN(x) ((x + 3) & ~3) */ |
| |
| extern CORE_ADDR m32r_push_return_address (CORE_ADDR, CORE_ADDR); |
| extern CORE_ADDR m32r_push_arguments (int nargs, |
| struct value **args, |
| CORE_ADDR sp, |
| unsigned char struct_return, |
| CORE_ADDR struct_addr); |
| |
| |
| |
| /* mvs_no_check PUSH_ARGUMENTS */ |
| #define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \ |
| (m32r_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR)) |
| |
| #define PUSH_RETURN_ADDRESS(PC, SP) m32r_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(raw_buffer, optimized, addrp, frame, regnum, lval) \ |
| deprecated_generic_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval) |
| |
| |
| #define DEPRECATED_USE_GENERIC_DUMMY_FRAMES 1 |
| #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 () |