1 /* Target-dependent code for NetBSD/i386, for GDB.
2 Copyright 1988, 1989, 1991, 1992, 1994, 1996, 2000, 2001, 2002
3 Free Software Foundation, Inc.
5 This file is part of GDB.
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 2 of the License, or
10 (at your option) any later version.
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.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 59 Temple Place - Suite 330,
20 Boston, MA 02111-1307, USA. */
27 #include "i387-tdep.h"
29 /* Map a GDB register number to an offset in the reg structure. */
41 ( 9 * 4), /* %eflags */
50 #define SIZEOF_STRUCT_REG (16 * 4)
53 i386nbsd_supply_reg (char *regs, int regno)
57 for (i = 0; i <= 15; i++)
58 if (regno == i || regno == -1)
59 supply_register (i, regs + regmap[i]);
63 fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
68 /* We get everything from one section. */
72 if (core_reg_size < (SIZEOF_STRUCT_REG + 108))
74 warning ("Wrong size register set in core file.");
79 fsave = core_reg_sect + SIZEOF_STRUCT_REG;
81 /* Integer registers. */
82 i386nbsd_supply_reg (regs, -1);
84 /* Floating point registers. */
85 i387_supply_fsave (fsave);
89 fetch_elfcore_registers (char *core_reg_sect, unsigned core_reg_size,
90 int which, CORE_ADDR ignore)
94 case 0: /* Integer registers. */
95 if (core_reg_size != SIZEOF_STRUCT_REG)
96 warning ("Wrong size register set in core file.");
98 i386nbsd_supply_reg (core_reg_sect, -1);
101 case 2: /* Floating point registers. */
102 if (core_reg_size != 108)
103 warning ("Wrong size FP register set in core file.");
105 i387_supply_fsave (core_reg_sect);
108 case 3: /* "Extended" floating point registers. This is gdb-speak
110 if (core_reg_size != 512)
111 warning ("Wrong size XMM register set in core file.");
113 i387_supply_fxsave (core_reg_sect);
117 /* Don't know what kind of register request this is; just ignore it. */
122 static struct core_fns i386nbsd_core_fns =
124 bfd_target_unknown_flavour, /* core_flavour */
125 default_check_format, /* check_format */
126 default_core_sniffer, /* core_sniffer */
127 fetch_core_registers, /* core_read_registers */
131 static struct core_fns i386nbsd_elfcore_fns =
133 bfd_target_elf_flavour, /* core_flavour */
134 default_check_format, /* check_format */
135 default_core_sniffer, /* core_sniffer */
136 fetch_elfcore_registers, /* core_read_registers */
141 _initialize_i386nbsd_tdep (void)
143 add_core_fns (&i386nbsd_core_fns);
144 add_core_fns (&i386nbsd_elfcore_fns);