1 /* GNU/Linux on TI C6x target support. 2 Copyright (C) 2011-2023 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 #ifndef TIC6X_TDEP_H 21 #define TIC6X_TDEP_H 22 23 #include "gdbarch.h" 24 25 enum 26 { 27 TIC6X_A4_REGNUM = 4, 28 TIC6X_A5_REGNUM = 5, 29 TIC6X_FP_REGNUM = 15, /* Frame Pointer: A15 */ 30 TIC6X_B0_REGNUM = 16, 31 TIC6X_RA_REGNUM = 19, /* Return address: B3 */ 32 TIC6X_B4_REGNUM = 20, 33 TIC6X_B5_REGNUM = 21, 34 TIC6X_DP_REGNUM = 30, /* Data Page Pointer: B14 */ 35 TIC6X_SP_REGNUM = 31, /* Stack Pointer: B15 */ 36 TIC6X_CSR_REGNUM = 32, 37 TIC6X_PC_REGNUM = 33, 38 TIC6X_NUM_CORE_REGS = 33, /* The number of core registers */ 39 TIC6X_RILC_REGNUM = 68, 40 TIC6X_NUM_REGS /* The number of registers */ 41 }; 42 43 #define TIC6X_INST_SWE 0x10000000 44 45 extern const gdb_byte tic6x_bkpt_illegal_opcode_be[]; 46 extern const gdb_byte tic6x_bkpt_illegal_opcode_le[]; 47 48 /* Target-dependent structure in gdbarch. */ 49 struct tic6x_gdbarch_tdep : gdbarch_tdep_base 50 { 51 /* Return the expected next PC if FRAME is stopped at a syscall 52 instruction. */ 53 CORE_ADDR (*syscall_next_pc) (frame_info_ptr frame) = nullptr; 54 55 const gdb_byte *breakpoint = nullptr; /* Breakpoint instruction. */ 56 57 int has_gp = 0; /* Has general purpose registers A16 - A31 and B16 - B31. */ 58 }; 59 60 #endif /* TIC6X_TDEP_H */ 61