153 lines
4.2 KiB
C
153 lines
4.2 KiB
C
/* Target-dependent code for the S+core architecture, for GDB,
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the GNU Debugger.
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Copyright (C) 2006, 2007, 2008, 2009 Free Software Foundation, Inc.
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Contributed by Qinwei (qinwei@sunnorth.com.cn)
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Contributed by Ching-Peng Lin (cplin@sunplus.com)
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef SCORE_TDEP_H
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#define SCORE_TDEP_H
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#include "math.h"
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enum gdb_regnum
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{
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SCORE_SP_REGNUM = 0,
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SCORE_FP_REGNUM = 2,
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SCORE_RA_REGNUM = 3,
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SCORE_A0_REGNUM = 4,
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SCORE_AL_REGNUM = 7,
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SCORE_PC_REGNUM = 49,
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};
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#define SCORE_A0_REGNUM 4
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#define SCORE_A1_REGNUM 5
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#define SCORE_REGSIZE 4
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#define SCORE7_NUM_REGS 56
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#define SCORE3_NUM_REGS 50
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#define SCORE_BEGIN_ARG_REGNUM 4
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#define SCORE_LAST_ARG_REGNUM 7
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#define SCORE_INSTLEN 4
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#define SCORE16_INSTLEN 2
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/* Forward declarations. */
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struct regset;
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/* Target-dependent structure in gdbarch */
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struct gdbarch_tdep
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{
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/* Cached core file helpers. */
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struct regset *gregset;
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};
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/* Linux Core file support (dirty hack)
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S+core Linux register set definition, copy from S+core Linux */
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struct pt_regs {
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/* Pad bytes for argument save space on the stack. */
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unsigned long pad0[6]; /* may be 4,MIPS accept 6var,SCore accepts 4 Var--yuchen */
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/* Saved main processor registers. */
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unsigned long orig_r4;
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unsigned long regs[32];
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/* Other saved registers. */
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unsigned long cel;
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unsigned long ceh;
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unsigned long sr0; /*cnt*/
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unsigned long sr1; /*lcr*/
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unsigned long sr2; /*scr*/
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/* saved cp0 registers */
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unsigned long cp0_epc;
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unsigned long cp0_ema;
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unsigned long cp0_psr;
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unsigned long cp0_ecr;
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unsigned long cp0_condition;
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};
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typedef struct pt_regs elf_gregset_t;
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#ifdef WITH_SIM
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#include <breakpoint.h>
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int soc_gh_can_use_watch(int type, int cnt);
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int soc_gh_add_watch(unsigned int addr, int len, int type);
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int soc_gh_del_watch(unsigned int addr, int len, int type);
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int soc_gh_stopped_by_watch(void);
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int soc_gh_add_hardbp(unsigned int addr);
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int soc_gh_del_hardbp(unsigned int addr);
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int score_target_can_use_watch(int type, int cnt, int ot);
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int score_stopped_by_watch(void);
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int score_target_insert_watchpoint (CORE_ADDR addr, int len, int type);
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int score_target_remove_watchpoint (CORE_ADDR addr, int len, int type);
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int score_target_insert_hw_breakpoint (struct gdbarch *gdbarch, struct bp_target_info * bp_tgt);
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int score_target_remove_hw_breakpoint (struct gdbarch *gdbarch, struct bp_target_info * bp_tgt);
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#define TARGET_HAS_HARDWARE_WATCHPOINTS
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#ifdef TARGET_CAN_USE_HARDWARE_WATCHPOINT
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#undef TARGET_CAN_USE_HARDWARE_WATCHPOINT
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#define TARGET_CAN_USE_HARDWARE_WATCHPOINT(type, cnt, ot) \
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score_target_can_use_watch(type, cnt, ot)
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#endif
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#ifdef STOPPED_BY_WATCHPOINT
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#undef STOPPED_BY_WATCHPOINT
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#define STOPPED_BY_WATCHPOINT(w) \
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score_stopped_by_watch()
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#endif
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#ifdef target_insert_watchpoint
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#undef target_insert_watchpoint
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#define target_insert_watchpoint(addr, len, type) \
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score_target_insert_watchpoint (addr, len, type)
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#endif
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#ifdef target_remove_watchpoint
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#undef target_remove_watchpoint
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#define target_remove_watchpoint(addr, len, type) \
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score_target_remove_watchpoint (addr, len, type)
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#endif
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#ifdef target_insert_hw_breakpoint
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#undef target_insert_hw_breakpoint
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#define target_insert_hw_breakpoint(gdbarch, bp_tgt) \
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score_target_insert_hw_breakpoint (gdbarch, bp_tgt)
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#endif
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#ifdef target_remove_hw_breakpoint
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#undef target_remove_hw_breakpoint
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#define target_remove_hw_breakpoint(gdbarch, bp_tgt) \
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score_target_remove_hw_breakpoint (gdbarch, bp_tgt)
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#endif
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#endif /* WITH_SIM */
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#endif /* SCORE_TDEP_H */
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