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/* Parameters for execution on an NEC V850 processor.
Copyright 1996
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. */
#define TARGET_BYTE_ORDER LITTLE_ENDIAN
#define NUM_REGS 65
#define REGISTER_NAMES \
{ "r0", "r1", "r2", "sp", "gp", "r5", "r6", "r7", \
"r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", \
"r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", \
"r24", "r25", "r26", "r27", "r28", "r29", "ep", "r31", \
\
"eipc", "eipsw", "fepc", "fepsw", "ecr", "psw", "sr6", "sr7", \
"sr8", "sr9", "sr10", "sr11", "sr12", "sr13", "sr14", "sr15", \
"sr16", "sr17", "sr18", "sr19", "sr20", "sr21", "sr22", "sr23", \
"sr24", "sr25", "sr26", "sr27", "sr28", "sr29", "sr30", "sr31", \
"pc" }
#define REGISTER_BYTES (NUM_REGS * 4)
#define REGISTER_SIZE 4
#define MAX_REGISTER_RAW_SIZE 4
#define SP_REGNUM 3
#define FP_REGNUM 2
#define V0_REGNUM 10
#define V1_REGNUM 11
#define RP_REGNUM 31
#define PC_REGNUM 64
#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 BREAKPOINT {0xff, 0xff}
#define FUNCTION_START_OFFSET 0
#define DECR_PC_AFTER_BREAK 0
#define INNER_THAN <
#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 EXTRA_FRAME_INFO struct frame_saved_regs fsr;
extern void v850_init_extra_frame_info PARAMS ((struct frame_info *fi));
#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) v850_init_extra_frame_info (fi)
#define INIT_FRAME_PC /* Not necessary */
extern void v850_frame_find_saved_regs PARAMS ((struct frame_info *fi, struct frame_saved_regs *regaddr));
#define FRAME_FIND_SAVED_REGS(fi, regaddr) regaddr = fi->fsr
extern CORE_ADDR v850_frame_chain PARAMS ((struct frame_info *fi));
#define FRAME_CHAIN(fi) v850_frame_chain (fi)
extern CORE_ADDR v850_find_callers_reg PARAMS ((struct frame_info *fi, int regnum));
#define FRAME_SAVED_PC(fi) (v850_find_callers_reg (fi, RP_REGNUM))
#define EXTRACT_RETURN_VALUE(TYPE, REGBUF, VALBUF) \
memcpy (VALBUF, REGBUF + REGISTER_BYTE (V0_REGNUM), TYPE_LENGTH (TYPE))
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
(extract_address (REGBUF + REGISTER_BYTE (V0_REGNUM), \
REGISTER_RAW_SIZE (V0_REGNUM)))
#define STORE_RETURN_VALUE(TYPE, VALBUF) \
write_register_bytes(REGISTER_BYTE (V0_REGNUM), VALBUF, TYPE_LENGTH (TYPE));
extern CORE_ADDR v850_skip_prologue PARAMS ((CORE_ADDR pc));
#define SKIP_PROLOGUE(pc) pc = v850_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(val, fi) ((val) = -1)
extern struct frame_info *v850_pop_frame PARAMS ((struct frame_info *frame));
#define POP_FRAME v850_pop_frame (get_current_frame ())
#define CALL_DUMMY { 0 }
#define CALL_DUMMY_START_OFFSET (0)
#define CALL_DUMMY_BREAKPOINT_OFFSET (0)
extern void v850_push_dummy_frame PARAMS ((void));
#define PUSH_DUMMY_FRAME v850_push_dummy_frame ()
#define FIX_CALL_DUMMY(DUMMY1, START_SP, FUNADDR, NARGS, ARGS, VALUE_TYPE, USING_GCC)
#define CALL_DUMMY_LOCATION AT_ENTRY_POINT
#define STACK_ALIGN(x) ((x + 3) & ~3)
extern CORE_ADDR
v850_push_arguments PARAMS ((int nargs, struct value **args, CORE_ADDR sp,
unsigned char struct_return,
CORE_ADDR struct_addr));
#define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \
(SP) = v850_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR)
#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP)
#define CALL_DUMMY_ADDRESS() (entry_point_address ())
extern int v850_pc_in_call_dummy PARAMS ((CORE_ADDR pc));
#define PC_IN_CALL_DUMMY(PC, SP, FP) v850_pc_in_call_dummy (PC)
#define USE_STRUCT_CONVENTION(GCC_P, TYPE) \
(TYPE_NFIELDS (TYPE) > 1 || TYPE_LENGTH (TYPE) > 4)
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