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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-7.1/] [gdb/] [frv-tdep.h] - Blame information for rev 227

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1 227 jeremybenn
/* Architecture-dependent code for the Fujitsu FR-V, for GDB, the GNU Debugger.
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   Copyright (C) 2004, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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/* Enumerate the possible ABIs for FR-V.  */
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enum frv_abi
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  {
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    FRV_ABI_EABI,
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    FRV_ABI_FDPIC
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  };
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/* Register numbers.  The order in which these appear define the
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   remote protocol, so take care in changing them.  */
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enum {
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  /* Register numbers 0 -- 63 are always reserved for general-purpose
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     registers.  The chip at hand may have less.  */
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  first_gpr_regnum = 0,
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  sp_regnum = 1,
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  fp_regnum = 2,
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  struct_return_regnum = 3,
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  last_gpr_regnum = 63,
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  /* Register numbers 64 -- 127 are always reserved for floating-point
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     registers.  The chip at hand may have less.  */
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  first_fpr_regnum = 64,
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  last_fpr_regnum = 127,
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  /* The PC register.  */
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  pc_regnum = 128,
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  /* Register numbers 129 on up are always reserved for special-purpose
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     registers.  */
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  first_spr_regnum = 129,
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  psr_regnum = 129,
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  ccr_regnum = 130,
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  cccr_regnum = 131,
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  fdpic_loadmap_exec_regnum = 132,
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  fdpic_loadmap_interp_regnum = 133,
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  tbr_regnum = 135,
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  brr_regnum = 136,
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  dbar0_regnum = 137,
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  dbar1_regnum = 138,
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  dbar2_regnum = 139,
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  dbar3_regnum = 140,
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  scr0_regnum = 141,
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  scr1_regnum = 142,
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  scr2_regnum = 143,
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  scr3_regnum = 144,
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  lr_regnum = 145,
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  lcr_regnum = 146,
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  iacc0h_regnum = 147,
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  iacc0l_regnum = 148,
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  fsr0_regnum = 149,
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  acc0_regnum = 150,
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  acc7_regnum = 157,
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  accg0123_regnum = 158,
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  accg4567_regnum = 159,
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  msr0_regnum = 160,
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  msr1_regnum = 161,
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  gner0_regnum = 162,
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  gner1_regnum = 163,
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  fner0_regnum = 164,
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  fner1_regnum = 165,
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  last_spr_regnum = 165,
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  /* The total number of registers we know exist.  */
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  frv_num_regs = last_spr_regnum + 1,
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  /* Pseudo registers */
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  first_pseudo_regnum = frv_num_regs,
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  /* iacc0 - the 64-bit concatenation of iacc0h and iacc0l.  */
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  iacc0_regnum = first_pseudo_regnum + 0,
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  accg0_regnum = first_pseudo_regnum + 1,
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  accg7_regnum = accg0_regnum + 7,
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  last_pseudo_regnum = accg7_regnum,
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  frv_num_pseudo_regs = last_pseudo_regnum - first_pseudo_regnum + 1,
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};
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/* Return the FR-V ABI associated with GDBARCH.  */
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enum frv_abi frv_abi (struct gdbarch *gdbarch);
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/* Fetch the interpreter and executable loadmap addresses (for shared
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   library support) for the FDPIC ABI.  Return 0 if successful, -1 if
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   not.  (E.g, -1 will be returned if the ABI isn't the FDPIC ABI.)  */
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int frv_fdpic_loadmap_addresses (struct gdbarch *gdbarch,
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                                 CORE_ADDR *interp_addr, CORE_ADDR *exec_addr);
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/* Given a function entry point, find and return the GOT address for the
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   containing load module.  */
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CORE_ADDR frv_fdpic_find_global_pointer (CORE_ADDR addr);
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/* Given a function entry point, find and return the canonical descriptor
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   for that function, if one exists.  If no canonical descriptor could
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   be found, return 0.  */
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CORE_ADDR frv_fdpic_find_canonical_descriptor (CORE_ADDR entry_point);
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/* Given an objfile, return the address of its link map.  This value is
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   needed for TLS support.  */
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CORE_ADDR frv_fetch_objfile_link_map (struct objfile *objfile);
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struct target_so_ops;
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extern struct target_so_ops frv_so_ops;
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