gdb/frv-tdep.h

   1 /* Architecture-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger.
   2    Copyright (C) 2004, 2007, 2008, 2009, 2010, 2011
   3    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 /* Enumerate the possible ABIs for FR-V.  */
  21 enum frv_abi
  22   {
  23     FRV_ABI_EABI,
  24     FRV_ABI_FDPIC
  25   };
  26
  27 /* Register numbers.  The order in which these appear define the
  28    remote protocol, so take care in changing them.  */
  29 enum {
  30   /* Register numbers 0 -- 63 are always reserved for general-purpose
  31      registers.  The chip at hand may have less.  */
  32   first_gpr_regnum = 0,
  33   sp_regnum = 1,
  34   fp_regnum = 2,
  35   struct_return_regnum = 3,
  36   last_gpr_regnum = 63,
  37
  38   /* Register numbers 64 -- 127 are always reserved for floating-point
  39      registers.  The chip at hand may have less.  */
  40   first_fpr_regnum = 64,
  41   last_fpr_regnum = 127,
  42
  43   /* The PC register.  */
  44   pc_regnum = 128,
  45
  46   /* Register numbers 129 on up are always reserved for special-purpose
  47      registers.  */
  48   first_spr_regnum = 129,
  49   psr_regnum = 129,
  50   ccr_regnum = 130,
  51   cccr_regnum = 131,
  52   fdpic_loadmap_exec_regnum = 132,
  53   fdpic_loadmap_interp_regnum = 133,
  54   tbr_regnum = 135,
  55   brr_regnum = 136,
  56   dbar0_regnum = 137,
  57   dbar1_regnum = 138,
  58   dbar2_regnum = 139,
  59   dbar3_regnum = 140,
  60   scr0_regnum = 141,
  61   scr1_regnum = 142,
  62   scr2_regnum = 143,
  63   scr3_regnum = 144,
  64   lr_regnum = 145,
  65   lcr_regnum = 146,
  66   iacc0h_regnum = 147,
  67   iacc0l_regnum = 148,
  68   fsr0_regnum = 149,
  69   acc0_regnum = 150,
  70   acc7_regnum = 157,
  71   accg0123_regnum = 158,
  72   accg4567_regnum = 159,
  73   msr0_regnum = 160,
  74   msr1_regnum = 161,
  75   gner0_regnum = 162,
  76   gner1_regnum = 163,
  77   fner0_regnum = 164,
  78   fner1_regnum = 165,
  79   last_spr_regnum = 165,
  80
  81   /* The total number of registers we know exist.  */
  82   frv_num_regs = last_spr_regnum + 1,
  83
  84   /* Pseudo registers */
  85   first_pseudo_regnum = frv_num_regs,
  86
  87   /* iacc0 - the 64-bit concatenation of iacc0h and iacc0l.  */
  88   iacc0_regnum = first_pseudo_regnum + 0,
  89   accg0_regnum = first_pseudo_regnum + 1,
  90   accg7_regnum = accg0_regnum + 7,
  91
  92   last_pseudo_regnum = accg7_regnum,
  93   frv_num_pseudo_regs = last_pseudo_regnum - first_pseudo_regnum + 1,
  94 };
  95
  96 /* Return the FR-V ABI associated with GDBARCH.  */
  97 enum frv_abi frv_abi (struct gdbarch *gdbarch);
  98
  99 /* Fetch the interpreter and executable loadmap addresses (for shared
 100    library support) for the FDPIC ABI.  Return 0 if successful, -1 if
 101    not.  (E.g, -1 will be returned if the ABI isn't the FDPIC ABI.)  */
 102 int frv_fdpic_loadmap_addresses (struct gdbarch *gdbarch,
 103                                  CORE_ADDR *interp_addr, CORE_ADDR *exec_addr);
 104
 105 /* Given a function entry point, find and return the GOT address for the
 106    containing load module.  */
 107 CORE_ADDR frv_fdpic_find_global_pointer (CORE_ADDR addr);
 108
 109 /* Given a function entry point, find and return the canonical descriptor
 110    for that function, if one exists.  If no canonical descriptor could
 111    be found, return 0.  */
 112 CORE_ADDR frv_fdpic_find_canonical_descriptor (CORE_ADDR entry_point);
 113
 114
 115 /* Given an objfile, return the address of its link map.  This value is
 116    needed for TLS support.  */
 117 CORE_ADDR frv_fetch_objfile_link_map (struct objfile *objfile);
 118
 119 struct target_so_ops;
 120 extern struct target_so_ops frv_so_ops;
 121