e5a2ac8b3f
struct frame to make it possible to use frame_saved_args in EXTRA_FRAME_INFO macro. * v850-tdep.c config/v850/tm-v850.h: Lotsa new functions and macros to make frame operations (such as backtrace) work.
108 lines
3.5 KiB
C
108 lines
3.5 KiB
C
/* 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;
|
|
#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 ())
|