gdb/arch/ppc-linux-common.h

   1 /* Common target dependent code for GNU/Linux on PPC systems.
   2
   3    Copyright (C) 2018-2020 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_PPC_LINUX_COMMON_H
  21 #define ARCH_PPC_LINUX_COMMON_H
  22
  23 struct target_desc;
  24
  25 /* The core file VMX regset has 34 16-byte fields (32 16-byte vector
  26    registers, plus two fields containing 4-byte registers, VSCR and
  27    VRSAVE), while the ptrace calls return or read 33 16-byte fields
  28    plus a 4-byte field for VRSAVE. For simplicity we use the longer
  29    length for both cases.  */
  30 #define PPC_LINUX_SIZEOF_VRREGSET 544
  31
  32 #define PPC_LINUX_SIZEOF_VSXREGSET 256
  33 #define PPC_LINUX_SIZEOF_PPRREGSET 8
  34 #define PPC_LINUX_SIZEOF_DSCRREGSET 8
  35 #define PPC_LINUX_SIZEOF_TARREGSET 8
  36 #define PPC_LINUX_SIZEOF_EBBREGSET (3*8)
  37 #define PPC_LINUX_SIZEOF_PMUREGSET (5*8)
  38 #define PPC_LINUX_SIZEOF_TM_SPRREGSET (3*8)
  39 #define PPC32_LINUX_SIZEOF_CGPRREGSET (48*4)
  40 #define PPC64_LINUX_SIZEOF_CGPRREGSET (48*8)
  41 #define PPC_LINUX_SIZEOF_CFPRREGSET (32*8+8)
  42 #define PPC_LINUX_SIZEOF_CVMXREGSET (34*16)
  43 #define PPC_LINUX_SIZEOF_CVSXREGSET (32*8)
  44 #define PPC_LINUX_SIZEOF_CPPRREGSET 8
  45 #define PPC_LINUX_SIZEOF_CDSCRREGSET 8
  46 #define PPC_LINUX_SIZEOF_CTARREGSET 8
  47
  48 /* Check if the hwcap auxv entry indicates that isa205 is supported.  */
  49 bool ppc_linux_has_isa205 (CORE_ADDR hwcap);
  50
  51 /* Features used to determine the target description.  */
  52 struct ppc_linux_features
  53 {
  54   unsigned int wordsize;
  55   bool altivec;
  56   bool vsx;
  57   bool isa205;
  58   bool ppr_dscr;
  59   bool isa207;
  60   bool htm;
  61 };
  62
  63 /* Base value for ppc_linux_features variables.  */
  64 const struct ppc_linux_features ppc_linux_no_features = {
  65   0,
  66   false,
  67   false,
  68   false,
  69   false,
  70   false,
  71   false,
  72 };
  73
  74 /* Return a target description that matches FEATURES.  */
  75 const struct target_desc * ppc_linux_match_description
  76 (struct ppc_linux_features features);
  77
  78 #endif /* ARCH_PPC_LINUX_COMMON_H */