contrib/gdb-7/gdb/i386dfly-tdep.c

   1 /* Target-dependent code for DragonFly/i386.
   2
   3    Copyright (C) 2003, 2004, 2005, 2007, 2008, 2009
   4    Free Software Foundation, Inc.
   5
   6    This file is part of GDB.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
  20
  21 #include "defs.h"
  22 #include "arch-utils.h"
  23 #include "gdbcore.h"
  24 #include "osabi.h"
  25 #include "regcache.h"
  26
  27 #include "gdb_assert.h"
  28
  29 #include "i386-tdep.h"
  30 #include "i387-tdep.h"
  31 #include "bsd-uthread.h"
  32 #include "solib-svr4.h"
  33
  34 static int i386dfly_r_reg_offset[] =
  35 {
  36   44, /* %eax */
  37   40, /* %ecx */
  38   36, /* %edx */
  39   32, /* %ebx */
  40   72, /* %esp */
  41   24, /* %ebp */
  42   20, /* %esi */
  43   16, /* %edi */
  44   60, /* %eip */
  45   68, /* %eflags */
  46   64, /* %cs */
  47   76, /* %ss */
  48   12, /* %ds */
  49   8, /* %es */
  50   4, /* %fs */
  51   0  /* %gs */
  52 };
  53
  54 /* Sigtramp routine location.  */
  55 CORE_ADDR i386dfly_sigtramp_start_addr = 0xbfbfdf20;
  56 CORE_ADDR i386dfly_sigtramp_end_addr = 0xbfbfdff0;
  57
  58 int i386dfly_sc_reg_offset[] =
  59 {
  60   64, /* %eax */
  61   60, /* %ecx */
  62   56, /* %edx */
  63   52, /* %ebx */
  64   92, /* %esp */
  65   44, /* %ebp */
  66   40, /* %esi */
  67   36, /* %edi */
  68   80, /* %eip */
  69   88, /* %eflags */
  70   84, /* %cs */
  71   96, /* %ss */
  72   32, /* %ds */
  73   28, /* %es */
  74   24, /* %fs */
  75   20  /* %gs */
  76 };
  77
  78 static void
  79 i386dfly_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
  80 {
  81   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
  82
  83   i386fbsd4_init_abi(info, gdbarch);
  84
  85   tdep->gregset_reg_offset = i386dfly_r_reg_offset;
  86   tdep->gregset_num_regs = ARRAY_SIZE (i386dfly_r_reg_offset);
  87   tdep->sizeof_gregset = 80;
  88
  89   tdep->sc_reg_offset = i386dfly_sc_reg_offset;
  90   tdep->sc_num_regs = ARRAY_SIZE (i386dfly_sc_reg_offset);
  91 }
  92
  93 \f
  94 /* Provide a prototype to silence -Wmissing-prototypes.  */
  95 void _initialize_i386dfly_tdep (void);
  96
  97 void
  98 _initialize_i386dfly_tdep (void)
  99 {
 100   gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_DRAGONFLY,
 101                           i386dfly_init_abi);
 102 }