| 1 | /* Target-dependent code for the S+core architecture, for GDB, |
| 2 | the GNU Debugger. |
| 3 | |
| 4 | Copyright (C) 2006-2012 Free Software Foundation, Inc. |
| 5 | |
| 6 | Contributed by Qinwei (qinwei@sunnorth.com.cn) |
| 7 | Contributed by Ching-Peng Lin (cplin@sunplus.com) |
| 8 | |
| 9 | This file is part of GDB. |
| 10 | |
| 11 | This program is free software; you can redistribute it and/or modify |
| 12 | it under the terms of the GNU General Public License as published by |
| 13 | the Free Software Foundation; either version 3 of the License, or |
| 14 | (at your option) any later version. |
| 15 | |
| 16 | This program is distributed in the hope that it will be useful, |
| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | GNU General Public License for more details. |
| 20 | |
| 21 | You should have received a copy of the GNU General Public License |
| 22 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 23 | |
| 24 | #ifndef SCORE_TDEP_H |
| 25 | #define SCORE_TDEP_H |
| 26 | #include "math.h" |
| 27 | |
| 28 | enum gdb_regnum |
| 29 | { |
| 30 | SCORE_SP_REGNUM = 0, |
| 31 | SCORE_FP_REGNUM = 2, |
| 32 | SCORE_RA_REGNUM = 3, |
| 33 | SCORE_A0_REGNUM = 4, |
| 34 | SCORE_AL_REGNUM = 7, |
| 35 | SCORE_PC_REGNUM = 49, |
| 36 | }; |
| 37 | |
| 38 | #define SCORE_A0_REGNUM 4 |
| 39 | #define SCORE_A1_REGNUM 5 |
| 40 | #define SCORE_REGSIZE 4 |
| 41 | #define SCORE7_NUM_REGS 56 |
| 42 | #define SCORE3_NUM_REGS 50 |
| 43 | #define SCORE_BEGIN_ARG_REGNUM 4 |
| 44 | #define SCORE_LAST_ARG_REGNUM 7 |
| 45 | |
| 46 | #define SCORE_INSTLEN 4 |
| 47 | #define SCORE16_INSTLEN 2 |
| 48 | |
| 49 | /* Forward declarations. */ |
| 50 | struct regset; |
| 51 | |
| 52 | /* Target-dependent structure in gdbarch */ |
| 53 | struct gdbarch_tdep |
| 54 | { |
| 55 | /* Cached core file helpers. */ |
| 56 | struct regset *gregset; |
| 57 | }; |
| 58 | |
| 59 | /* Linux Core file support (dirty hack) |
| 60 | |
| 61 | S+core Linux register set definition, copy from S+core Linux. */ |
| 62 | struct pt_regs { |
| 63 | /* Pad bytes for argument save space on the stack. */ |
| 64 | unsigned long pad0[6]; /* may be 4, MIPS accept 6var, SCore |
| 65 | accepts 4 Var--yuchen */ |
| 66 | |
| 67 | /* Saved main processor registers. */ |
| 68 | unsigned long orig_r4; |
| 69 | unsigned long regs[32]; |
| 70 | |
| 71 | /* Other saved registers. */ |
| 72 | unsigned long cel; |
| 73 | unsigned long ceh; |
| 74 | |
| 75 | unsigned long sr0; /*cnt*/ |
| 76 | unsigned long sr1; /*lcr*/ |
| 77 | unsigned long sr2; /*scr*/ |
| 78 | |
| 79 | /* saved cp0 registers */ |
| 80 | unsigned long cp0_epc; |
| 81 | unsigned long cp0_ema; |
| 82 | unsigned long cp0_psr; |
| 83 | unsigned long cp0_ecr; |
| 84 | unsigned long cp0_condition; |
| 85 | }; |
| 86 | |
| 87 | typedef struct pt_regs elf_gregset_t; |
| 88 | |
| 89 | #endif /* SCORE_TDEP_H */ |