| 1 | /* GNU/Linux on TI C6x target support. |
| 2 | Copyright (C) 2011-2014 Free Software Foundation, Inc. |
| 3 | Contributed by Yao Qi <yao@codesourcery.com> |
| 4 | |
| 5 | This file is part of GDB. |
| 6 | |
| 7 | This program is free software; you can redistribute it and/or modify |
| 8 | it under the terms of the GNU General Public License as published by |
| 9 | the Free Software Foundation; either version 3 of the License, or |
| 10 | (at your option) any later version. |
| 11 | |
| 12 | This program is distributed in the hope that it will be useful, |
| 13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 15 | GNU General Public License for more details. |
| 16 | |
| 17 | You should have received a copy of the GNU General Public License |
| 18 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 19 | |
| 20 | enum |
| 21 | { |
| 22 | TIC6X_A4_REGNUM = 4, |
| 23 | TIC6X_A5_REGNUM = 5, |
| 24 | TIC6X_FP_REGNUM = 15, /* Frame Pointer: A15 */ |
| 25 | TIC6X_B0_REGNUM = 16, |
| 26 | TIC6X_RA_REGNUM = 19, /* Return address: B3 */ |
| 27 | TIC6X_B4_REGNUM = 20, |
| 28 | TIC6X_B5_REGNUM = 21, |
| 29 | TIC6X_DP_REGNUM = 30, /* Data Page Pointer: B14 */ |
| 30 | TIC6X_SP_REGNUM = 31, /* Stack Pointer: B15 */ |
| 31 | TIC6X_CSR_REGNUM = 32, |
| 32 | TIC6X_PC_REGNUM = 33, |
| 33 | TIC6X_NUM_CORE_REGS = 33, /* The number of core registers */ |
| 34 | TIC6X_RILC_REGNUM = 68, |
| 35 | TIC6X_NUM_REGS /* The number of registers */ |
| 36 | }; |
| 37 | |
| 38 | #define TIC6X_INST_SWE 0x10000000 |
| 39 | |
| 40 | extern const gdb_byte tic6x_bkpt_illegal_opcode_be[]; |
| 41 | extern const gdb_byte tic6x_bkpt_illegal_opcode_le[]; |
| 42 | |
| 43 | /* Target-dependent structure in gdbarch. */ |
| 44 | struct gdbarch_tdep |
| 45 | { |
| 46 | /* Return the expected next PC if FRAME is stopped at a syscall |
| 47 | instruction. */ |
| 48 | CORE_ADDR (*syscall_next_pc) (struct frame_info *frame); |
| 49 | |
| 50 | const gdb_byte *breakpoint; /* Breakpoint instruction. */ |
| 51 | |
| 52 | int has_gp; /* Has general purpose registers A16 - A31 and B16 - B31. */ |
| 53 | }; |