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1 | /* GNU/Linux on TI C6x target support. |
2 | Copyright (C) 2011 | |
3 | Free Software Foundation, Inc. | |
4 | Contributed by Yao Qi <yao@codesourcery.com> | |
5 | ||
6 | This file is part of GDB. | |
7 | ||
8 | This program is free software; you can redistribute it and/or modify | |
9 | it under the terms of the GNU General Public License as published by | |
10 | the Free Software Foundation; either version 3 of the License, or | |
11 | (at your option) any later version. | |
12 | ||
13 | This program is distributed in the hope that it will be useful, | |
14 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | GNU General Public License for more details. | |
17 | ||
18 | You should have received a copy of the GNU General Public License | |
19 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ | |
20 | ||
21 | enum | |
22 | { | |
23 | TIC6X_A4_REGNUM = 4, | |
24 | TIC6X_A5_REGNUM = 5, | |
25 | TIC6X_FP_REGNUM = 15, /* Frame Pointer: A15 */ | |
26 | TIC6X_B0_REGNUM = 16, | |
27 | TIC6X_RA_REGNUM = 19, /* Return address: B3 */ | |
28 | TIC6X_B4_REGNUM = 20, | |
29 | TIC6X_B5_REGNUM = 21, | |
30 | TIC6X_DP_REGNUM = 30, /* Data Page Pointer: B14 */ | |
31 | TIC6X_SP_REGNUM = 31, /* Stack Pointer: B15 */ | |
32 | TIC6X_CSR_REGNUM = 32, | |
33 | TIC6X_PC_REGNUM = 33, | |
34 | TIC6X_NUM_CORE_REGS = 33, /* The number of core registers */ | |
35 | TIC6X_RILC_REGNUM = 68, | |
36 | TIC6X_NUM_REGS /* The number of registers */ | |
37 | }; | |
38 | ||
39 | #define TIC6X_INST_SWE 0x10000000 | |
40 | ||
41 | extern const gdb_byte tic6x_bkpt_illegal_opcode_be[]; | |
42 | extern const gdb_byte tic6x_bkpt_illegal_opcode_le[]; | |
43 | ||
44 | /* Target-dependent structure in gdbarch. */ | |
45 | struct gdbarch_tdep | |
46 | { | |
47 | /* Return the expected next PC if FRAME is stopped at a syscall | |
48 | instruction. */ | |
49 | CORE_ADDR (*syscall_next_pc) (struct frame_info *frame); | |
50 | ||
51 | const char *breakpoint; /* Breakpoint instruction. */ | |
52 | ||
53 | int has_gp; /* Has general purpose registers A16 - A31 and B16 - B31. */ | |
54 | }; |