gdb/ppc-linux-tdep.h

   1 /* Target-dependent code for GDB, the GNU debugger.
   2
   3    Copyright (C) 2008-2018 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 PPC_LINUX_TDEP_H
  21 #define PPC_LINUX_TDEP_H
  22
  23 #include "ppc-tdep.h"  /* For PPC_NUM_REGS.  */
  24
  25 struct regset;
  26
  27 /* From ppc-linux-tdep.c ...  */
  28 const struct regset *ppc_linux_gregset (int);
  29 const struct regset *ppc_linux_fpregset (void);
  30
  31 /* Extra register number constants.  The Linux kernel stores a
  32    "trap" code and the original value of r3 into special "registers";
  33    these need to be saved and restored when performing an inferior
  34    call while the inferior was interrupted within a system call.  */
  35 enum {
  36   PPC_ORIG_R3_REGNUM = PPC_NUM_REGS,
  37   PPC_TRAP_REGNUM,
  38 };
  39
  40 /* Return 1 if PPC_ORIG_R3_REGNUM and PPC_TRAP_REGNUM are usable.  */
  41 int ppc_linux_trap_reg_p (struct gdbarch *gdbarch);
  42
  43 #endif /* PPC_LINUX_TDEP_H */