xref: /netbsd-src/external/gpl3/gdb.old/dist/gdb/arch/xtensa.h (revision 5dd36a3bc8bf2a9dec29ceb6349550414570c447)
1 /* Common Target-dependent code for the Xtensa port of GDB, the GNU debugger.
2 
3    Copyright (C) 2003-2017 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 XTENSA_H
21 #define 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
49