gdb/arch/xtensa.h

   1 /* Common Target-dependent code for the Xtensa port of GDB, the GNU debugger.
   2
   3    Copyright (C) 2003-2020 Free Software Foundation, Inc.
   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 ARCH_XTENSA_H
  21 #define ARCH_XTENSA_H
  22
  23 /* Xtensa ELF core file register set representation ('.reg' section).
  24    Copied from target-side ELF header <xtensa/elf.h>.  */
  25
  26 typedef uint32_t xtensa_elf_greg_t;
  27
  28 typedef struct
  29 {
  30   xtensa_elf_greg_t pc;
  31   xtensa_elf_greg_t ps;
  32   xtensa_elf_greg_t lbeg;
  33   xtensa_elf_greg_t lend;
  34   xtensa_elf_greg_t lcount;
  35   xtensa_elf_greg_t sar;
  36   xtensa_elf_greg_t windowstart;
  37   xtensa_elf_greg_t windowbase;
  38   xtensa_elf_greg_t threadptr;
  39   xtensa_elf_greg_t reserved[7+48];
  40   xtensa_elf_greg_t ar[64];
  41 } xtensa_elf_gregset_t;
  42
  43 #define XTENSA_ELF_NGREG (sizeof (xtensa_elf_gregset_t) \
  44                           / sizeof (xtensa_elf_greg_t))
  45
  46 #define C0_NREGS   16   /* Number of A-registers to track in call0 ABI.  */
  47
  48 #endif /* ARCH_XTENSA_H */