gdb/vaxnbsd-tdep.c

   1 /* Target-dependent code for NetBSD/vax.
   2
   3    Copyright 2004 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 2 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, write to the Free Software
  19    Foundation, Inc., 59 Temple Place - Suite 330,
  20    Boston, MA 02111-1307, USA.  */
  21
  22 #include "defs.h"
  23 #include "arch-utils.h"
  24 #include "osabi.h"
  25
  26 #include "vax-tdep.h"
  27 #include "solib-svr4.h"
  28
  29 /* Support for shared libraries.  */
  30
  31 /* Return non-zero if we are in a shared library trampoline code stub.  */
  32
  33 int
  34 vaxnbsd_aout_in_solib_call_trampoline (CORE_ADDR pc, char *name)
  35 {
  36   return (name && !strcmp (name, "_DYNAMIC"));
  37 }
  38 \f
  39
  40 /* NetBSD a.out.  */
  41
  42 static void
  43 vaxnbsd_aout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
  44 {
  45   /* Assume SunOS-style shared libraries.  */
  46   set_gdbarch_in_solib_call_trampoline
  47     (gdbarch, vaxnbsd_aout_in_solib_call_trampoline);
  48 }
  49
  50 /* NetBSD ELF.  */
  51
  52 static void
  53 vaxnbsd_elf_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
  54 {
  55   /* NetBSD ELF uses SVR4-style shared libraries.  */
  56   set_gdbarch_in_solib_call_trampoline
  57     (gdbarch, generic_in_solib_call_trampoline);
  58   set_solib_svr4_fetch_link_map_offsets
  59     (gdbarch, svr4_ilp32_fetch_link_map_offsets);
  60 }
  61 \f
  62
  63 /* Provide a prototype to silence -Wmissing-prototypes.  */
  64 void _initialize_vaxnbsd_tdep (void);
  65
  66 void
  67 _initialize_vaxnbsd_tdep (void)
  68 {
  69   gdbarch_register_osabi (bfd_arch_vax, 0, GDB_OSABI_NETBSD_AOUT,
  70                           vaxnbsd_aout_init_abi);
  71   gdbarch_register_osabi (bfd_arch_vax, 0, GDB_OSABI_NETBSD_ELF,
  72                           vaxnbsd_elf_init_abi);
  73 }