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/* Target-dependent code for the S+core architecture, for GDB,
the GNU Debugger.
Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
Contributed by Qinwei (qinwei@sunnorth.com.cn)
Contributed by Ching-Peng Lin (cplin@sunplus.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 3 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, see <http://www.gnu.org/licenses/>. */
#ifndef SCORE_TDEP_H
#define SCORE_TDEP_H
#include "math.h"
enum gdb_regnum
{
SCORE_SP_REGNUM = 0,
SCORE_FP_REGNUM = 2,
SCORE_RA_REGNUM = 3,
SCORE_A0_REGNUM = 4,
SCORE_AL_REGNUM = 7,
SCORE_PC_REGNUM = 49,
};
#define SCORE_A0_REGNUM 4
#define SCORE_A1_REGNUM 5
#define SCORE_REGSIZE 4
#define SCORE7_NUM_REGS 56
#define SCORE3_NUM_REGS 50
#define SCORE_BEGIN_ARG_REGNUM 4
#define SCORE_LAST_ARG_REGNUM 7
#define SCORE_INSTLEN 4
#define SCORE16_INSTLEN 2
/* Forward declarations. */
struct regset;
/* Target-dependent structure in gdbarch */
struct gdbarch_tdep
{
/* Cached core file helpers. */
struct regset *gregset;
};
/* Linux Core file support (dirty hack)
S+core Linux register set definition, copy from S+core Linux */
struct pt_regs {
/* Pad bytes for argument save space on the stack. */
unsigned long pad0[6]; /* may be 4,MIPS accept 6var,SCore accepts 4 Var--yuchen */
/* Saved main processor registers. */
unsigned long orig_r4;
unsigned long regs[32];
/* Other saved registers. */
unsigned long cel;
unsigned long ceh;
unsigned long sr0; /*cnt*/
unsigned long sr1; /*lcr*/
unsigned long sr2; /*scr*/
/* saved cp0 registers */
unsigned long cp0_epc;
unsigned long cp0_ema;
unsigned long cp0_psr;
unsigned long cp0_ecr;
unsigned long cp0_condition;
};
typedef struct pt_regs elf_gregset_t;
#ifdef WITH_SIM
#include <breakpoint.h>
int soc_gh_can_use_watch(int type, int cnt);
int soc_gh_add_watch(unsigned int addr, int len, int type);
int soc_gh_del_watch(unsigned int addr, int len, int type);
int soc_gh_stopped_by_watch(void);
int soc_gh_add_hardbp(unsigned int addr);
int soc_gh_del_hardbp(unsigned int addr);
int score_target_can_use_watch(int type, int cnt, int ot);
int score_stopped_by_watch(void);
int score_target_insert_watchpoint (CORE_ADDR addr, int len, int type);
int score_target_remove_watchpoint (CORE_ADDR addr, int len, int type);
int score_target_insert_hw_breakpoint (struct gdbarch *gdbarch, struct bp_target_info * bp_tgt);
int score_target_remove_hw_breakpoint (struct gdbarch *gdbarch, struct bp_target_info * bp_tgt);
#define TARGET_HAS_HARDWARE_WATCHPOINTS
#ifdef TARGET_CAN_USE_HARDWARE_WATCHPOINT
#undef TARGET_CAN_USE_HARDWARE_WATCHPOINT
#define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) \
score_target_can_use_watch(type, cnt, ot)
#endif
#ifdef STOPPED_BY_WATCHPOINT
#undef STOPPED_BY_WATCHPOINT
#define STOPPED_BY_WATCHPOINT(w) \
score_stopped_by_watch()
#endif
#ifdef target_insert_watchpoint
#undef target_insert_watchpoint
#define target_insert_watchpoint(addr, len, type) \
score_target_insert_watchpoint (addr, len, type)
#endif
#ifdef target_remove_watchpoint
#undef target_remove_watchpoint
#define target_remove_watchpoint(addr, len, type) \
score_target_remove_watchpoint (addr, len, type)
#endif
#ifdef target_insert_hw_breakpoint
#undef target_insert_hw_breakpoint
#define target_insert_hw_breakpoint(gdbarch, bp_tgt) \
score_target_insert_hw_breakpoint (gdbarch, bp_tgt)
#endif
#ifdef target_remove_hw_breakpoint
#undef target_remove_hw_breakpoint
#define target_remove_hw_breakpoint(gdbarch, bp_tgt) \
score_target_remove_hw_breakpoint (gdbarch, bp_tgt)
#endif
#endif /* WITH_SIM */
#endif /* SCORE_TDEP_H */
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