gdb/tic6x-tdep.h

   1 /* GNU/Linux on  TI C6x target support.
   2    Copyright (C) 2011-2020 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 enum
  24 {
  25   TIC6X_A4_REGNUM = 4,
  26   TIC6X_A5_REGNUM = 5,
  27   TIC6X_FP_REGNUM = 15,  /* Frame Pointer: A15 */
  28   TIC6X_B0_REGNUM = 16,
  29   TIC6X_RA_REGNUM = 19,  /* Return address: B3 */
  30   TIC6X_B4_REGNUM = 20,
  31   TIC6X_B5_REGNUM = 21,
  32   TIC6X_DP_REGNUM = 30,  /* Data Page Pointer: B14 */
  33   TIC6X_SP_REGNUM = 31,  /* Stack Pointer: B15 */
  34   TIC6X_CSR_REGNUM = 32,
  35   TIC6X_PC_REGNUM = 33,
  36   TIC6X_NUM_CORE_REGS = 33, /* The number of core registers */
  37   TIC6X_RILC_REGNUM = 68,
  38   TIC6X_NUM_REGS /* The number of registers */
  39 };
  40
  41 #define TIC6X_INST_SWE 0x10000000
  42
  43 extern const gdb_byte tic6x_bkpt_illegal_opcode_be[];
  44 extern const gdb_byte tic6x_bkpt_illegal_opcode_le[];
  45
  46 /* Target-dependent structure in gdbarch.  */
  47 struct gdbarch_tdep
  48 {
  49   /* Return the expected next PC if FRAME is stopped at a syscall
  50      instruction.  */
  51   CORE_ADDR (*syscall_next_pc) (struct frame_info *frame);
  52
  53   const gdb_byte *breakpoint; /* Breakpoint instruction.  */
  54
  55   int has_gp; /* Has general purpose registers A16 - A31 and B16 - B31.  */
  56 };
  57
  58 #endif /* TIC6X_TDEP_H */