--- /dev/null
+/* Parameters for execution on a Mitsubishi fr30 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. */
+
+/* Used by mswin. */
+#define TARGET_FR30 1
+
+/* mvs_check TARGET_BYTE_ORDER BIG_ENDIAN */
+#define TARGET_BYTE_ORDER BIG_ENDIAN
+
+/* 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 <
+
+/* mvs_check SAVED_PC_AFTER_CALL */
+#define SAVED_PC_AFTER_CALL(fi) read_register (RP_REGNUM)
+
+#ifdef __STDC__
+struct frame_info;
+struct frame_saved_regs;
+struct type;
+struct value;
+#endif
+
+/* 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 fr30_init_extra_frame_info PARAMS ((struct frame_info *fi));
+/* mvs_check INIT_EXTRA_FRAME_INFO */
+#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) fr30_init_extra_frame_info (fi)
+/* mvs_no_check INIT_FRAME_PC */
+#define INIT_FRAME_PC /* Not necessary */
+
+extern void
+fr30_frame_find_saved_regs PARAMS ((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) \
+ fr30_frame_find_saved_regs(frame_info, &(frame_saved_regs))
+
+extern CORE_ADDR fr30_frame_chain PARAMS ((struct frame_info *fi));
+/* mvs_check FRAME_CHAIN */
+#define FRAME_CHAIN(fi) fr30_frame_chain (fi)
+
+#define FRAME_CHAIN_VALID(fp, frame) generic_frame_chain_valid (fp, frame)
+
+extern CORE_ADDR fr30_find_callers_reg PARAMS ((struct frame_info *fi,
+ int regnum));
+extern CORE_ADDR fr30_frame_saved_pc PARAMS((struct frame_info *));
+/* mvs_check FRAME_SAVED_PC */
+#define FRAME_SAVED_PC(fi) fr30_frame_saved_pc (fi)
+
+/* mvs_check EXTRACT_RETURN_VALUE */
+#define 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 STORE_RETURN_VALUE */
+#define STORE_RETURN_VALUE(TYPE, VALBUF) \
+ write_register_bytes(REGISTER_BYTE (V0_REGNUM) + \
+ ((TYPE_LENGTH (TYPE) > 4 ? 8:4) - TYPE_LENGTH (TYPE)),\
+ (VALBUF), TYPE_LENGTH (TYPE));
+
+extern CORE_ADDR fr30_skip_prologue PARAMS ((CORE_ADDR pc));
+/* mvs_check SKIP_PROLOGUE */
+#define SKIP_PROLOGUE(pc) pc = fr30_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(val, fi) ((val) = -1)
+
+#define COERCE_FLOAT_TO_DOUBLE 1
+
+#define TARGET_WRITE_SP fr30_write_sp
+
+
+
+
+
+
+/* struct passing and returning stuff */
+#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \
+ write_register (0, STRUCT_ADDR)
+
+#define USE_STRUCT_CONVENTION(GCC_P, TYPE) \
+ (TYPE_LENGTH (TYPE) > 8)
+
+#define 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 PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP)
+
+
+/* target-specific dummy_frame stuff */
+
+extern struct frame_info *fr30_pop_frame PARAMS ((struct frame_info *frame));
+/* mvs_check POP_FRAME */
+#define POP_FRAME fr30_pop_frame (get_current_frame ())
+
+/* mvs_no_check STACK_ALIGN */
+/* #define STACK_ALIGN(x) ((x + 3) & ~3) */
+
+extern CORE_ADDR fr30_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR));
+extern CORE_ADDR fr30_push_arguments PARAMS ((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) \
+ (SP) = fr30_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR)
+
+#define PUSH_RETURN_ADDRESS(PC, SP) fr30_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
+
+#define USE_GENERIC_DUMMY_FRAMES
+#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 ()
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