gdb/score-tdep.h

   1 /* Target-dependent code for the S+core architecture, for GDB,
   2    the GNU Debugger.
   3
   4    Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011
   5    Free Software Foundation, Inc.
   6
   7    Contributed by Qinwei (qinwei@sunnorth.com.cn)
   8    Contributed by Ching-Peng Lin (cplin@sunplus.com)
   9
  10    This file is part of GDB.
  11
  12    This program is free software; you can redistribute it and/or modify
  13    it under the terms of the GNU General Public License as published by
  14    the Free Software Foundation; either version 3 of the License, or
  15    (at your option) any later version.
  16
  17    This program is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  24
  25 #ifndef SCORE_TDEP_H
  26 #define SCORE_TDEP_H
  27 #include "math.h"
  28
  29 enum gdb_regnum
  30 {
  31   SCORE_SP_REGNUM = 0,
  32   SCORE_FP_REGNUM = 2,
  33   SCORE_RA_REGNUM = 3,
  34   SCORE_A0_REGNUM = 4,
  35   SCORE_AL_REGNUM = 7,
  36   SCORE_PC_REGNUM = 49,
  37 };
  38
  39 #define SCORE_A0_REGNUM        4
  40 #define SCORE_A1_REGNUM        5
  41 #define SCORE_REGSIZE          4
  42 #define SCORE7_NUM_REGS         56
  43 #define SCORE3_NUM_REGS         50
  44 #define SCORE_BEGIN_ARG_REGNUM 4
  45 #define SCORE_LAST_ARG_REGNUM  7
  46
  47 #define SCORE_INSTLEN          4
  48 #define SCORE16_INSTLEN        2
  49
  50 /* Forward declarations.  */
  51 struct regset;
  52
  53 /* Target-dependent structure in gdbarch */
  54 struct gdbarch_tdep
  55 {
  56     /* Cached core file helpers.  */
  57     struct regset *gregset;
  58 };
  59
  60 /* Linux Core file support (dirty hack)
  61
  62    S+core Linux register set definition, copy from S+core Linux.  */
  63 struct pt_regs {
  64     /* Pad bytes for argument save space on the stack.  */
  65     unsigned long pad0[6]; /* may be 4, MIPS accept 6var, SCore
  66                               accepts 4 Var--yuchen */
  67
  68     /* Saved main processor registers.  */
  69     unsigned long orig_r4;
  70     unsigned long regs[32];
  71
  72     /* Other saved registers.  */
  73     unsigned long cel;
  74     unsigned long ceh;
  75
  76     unsigned long sr0;  /*cnt*/
  77     unsigned long sr1;  /*lcr*/
  78     unsigned long sr2;  /*scr*/
  79
  80     /* saved cp0 registers */
  81     unsigned long cp0_epc;
  82     unsigned long cp0_ema;
  83     unsigned long cp0_psr;
  84     unsigned long cp0_ecr;
  85     unsigned long cp0_condition;
  86 };
  87
  88 typedef struct pt_regs elf_gregset_t;
  89
  90 #endif /* SCORE_TDEP_H */