| /* Native-dependent code for NetBSD/i386, for GDB. |
| Copyright 1988, 1989, 1991, 1992, 1994, 1996, 2000, 2001, 2002 |
| Free Software Foundation, Inc. |
| |
| This file is part of GDB. |
| |
| This program is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place - Suite 330, |
| Boston, MA 02111-1307, USA. */ |
| |
| #include "defs.h" |
| #include <sys/types.h> |
| #include <sys/ptrace.h> |
| #include <machine/reg.h> |
| #include <machine/frame.h> |
| #include "inferior.h" |
| #include "gdbcore.h" |
| #include "regcache.h" |
| |
| #ifndef HAVE_GREGSET_T |
| typedef struct reg gregset_t; |
| #endif |
| |
| #ifndef HAVE_FPREGSET_T |
| typedef struct fpreg fpregset_t; |
| #endif |
| |
| #include "gregset.h" |
| |
| /* Prototypes for i387_supply_fsave etc. */ |
| #include "i387-nat.h" |
| |
| struct md_core |
| { |
| struct reg intreg; |
| char freg[108]; |
| }; |
| |
| static void |
| fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which, |
| CORE_ADDR ignore) |
| { |
| struct md_core *core_reg = (struct md_core *) core_reg_sect; |
| |
| /* We get everything from one section. */ |
| if (which != 0) |
| return; |
| |
| /* Integer registers. */ |
| supply_gregset (&core_reg->intreg); |
| |
| /* Floating point registers. */ |
| i387_supply_fsave (core_reg->freg); |
| } |
| |
| static void |
| fetch_elfcore_registers (char *core_reg_sect, unsigned core_reg_size, int which, |
| CORE_ADDR ignore) |
| { |
| gregset_t gregset; |
| |
| switch (which) |
| { |
| case 0: /* Integer registers. */ |
| if (core_reg_size != sizeof (struct reg)) |
| warning ("Wrong size register set in core file."); |
| else |
| { |
| memcpy (&gregset, core_reg_sect, sizeof (gregset)); |
| supply_gregset (&gregset); |
| } |
| break; |
| |
| case 2: /* Floating point registers. */ |
| if (core_reg_size != 108) |
| warning ("Wrong size FP register set in core file."); |
| else |
| i387_supply_fsave (core_reg_sect); |
| break; |
| |
| case 3: /* "Extended" floating point registers. This is gdb-speak |
| for SSE/SSE2. */ |
| if (core_reg_size != 512) |
| warning ("Wrong size XMM register set in core file."); |
| else |
| i387_supply_fxsave (core_reg_sect); |
| break; |
| |
| default: |
| /* Don't know what kind of register request this is; just ignore it. */ |
| break; |
| } |
| } |
| |
| /* Register that we are able to handle i386nbsd core file formats. |
| FIXME: is this really bfd_target_unknown_flavour? */ |
| |
| static struct core_fns i386nbsd_core_fns = |
| { |
| bfd_target_unknown_flavour, /* core_flavour */ |
| default_check_format, /* check_format */ |
| default_core_sniffer, /* core_sniffer */ |
| fetch_core_registers, /* core_read_registers */ |
| NULL /* next */ |
| }; |
| |
| static struct core_fns i386nbsd_elfcore_fns = |
| { |
| bfd_target_elf_flavour, /* core_flavour */ |
| default_check_format, /* check_format */ |
| default_core_sniffer, /* core_sniffer */ |
| fetch_elfcore_registers, /* core_read_registers */ |
| NULL /* next */ |
| }; |
| |
| void |
| _initialize_i386nbsd_nat (void) |
| { |
| add_core_fns (&i386nbsd_core_fns); |
| add_core_fns (&i386nbsd_elfcore_fns); |
| } |