gdb/ppc-linux-tdep.h

   1 /* Target-dependent code for GDB, the GNU debugger.
   2
   3    Copyright (C) 2008-2022 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 /* Get the vector regset that matches the target byte order.  */
  32 const struct regset *ppc_linux_vrregset (struct gdbarch *gdbarch);
  33 const struct regset *ppc_linux_vsxregset (void);
  34
  35 /* Get the checkpointed GPR regset that matches the target wordsize
  36    and byteorder of GDBARCH.  */
  37 const struct regset *ppc_linux_cgprregset (struct gdbarch *gdbarch);
  38
  39 /* Get the checkpointed vector regset that matches the target byte
  40    order.  */
  41 const struct regset* ppc_linux_cvmxregset (struct gdbarch *gdbarch);
  42
  43 /* Extra register number constants.  The Linux kernel stores a
  44    "trap" code and the original value of r3 into special "registers";
  45    these need to be saved and restored when performing an inferior
  46    call while the inferior was interrupted within a system call.  */
  47 enum {
  48   PPC_ORIG_R3_REGNUM = PPC_NUM_REGS,
  49   PPC_TRAP_REGNUM,
  50 };
  51
  52 /* Return 1 if PPC_ORIG_R3_REGNUM and PPC_TRAP_REGNUM are usable.  */
  53 int ppc_linux_trap_reg_p (struct gdbarch *gdbarch);
  54
  55 /* Additional register sets, defined in ppc-linux-tdep.c.  */
  56 extern const struct regset ppc32_linux_pprregset;
  57 extern const struct regset ppc32_linux_dscrregset;
  58 extern const struct regset ppc32_linux_tarregset;
  59 extern const struct regset ppc32_linux_ebbregset;
  60 extern const struct regset ppc32_linux_pmuregset;
  61 extern const struct regset ppc32_linux_tm_sprregset;
  62 extern const struct regset ppc32_linux_cfprregset;
  63 extern const struct regset ppc32_linux_cvsxregset;
  64 extern const struct regset ppc32_linux_cpprregset;
  65 extern const struct regset ppc32_linux_cdscrregset;
  66 extern const struct regset ppc32_linux_ctarregset;
  67
  68 #endif /* PPC_LINUX_TDEP_H */