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 #include "gdb_string.h"
  30
  31 /* Support for shared libraries.  */
  32
  33 /* Return non-zero if we are in a shared library trampoline code stub.  */
  34
  35 int
  36 vaxnbsd_aout_in_solib_call_trampoline (CORE_ADDR pc, char *name)
  37 {
  38   return (name && !strcmp (name, "_DYNAMIC"));
  39 }
  40 \f
  41
  42 /* NetBSD a.out.  */
  43
  44 static void
  45 vaxnbsd_aout_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
  46 {
  47   /* Assume SunOS-style shared libraries.  */
  48   set_gdbarch_in_solib_call_trampoline
  49     (gdbarch, vaxnbsd_aout_in_solib_call_trampoline);
  50 }
  51
  52 /* NetBSD ELF.  */
  53
  54 static void
  55 vaxnbsd_elf_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
  56 {
  57   /* NetBSD ELF uses SVR4-style shared libraries.  */
  58   set_gdbarch_in_solib_call_trampoline
  59     (gdbarch, generic_in_solib_call_trampoline);
  60   set_solib_svr4_fetch_link_map_offsets
  61     (gdbarch, svr4_ilp32_fetch_link_map_offsets);
  62 }
  63 \f
  64
  65 /* Provide a prototype to silence -Wmissing-prototypes.  */
  66 void _initialize_vaxnbsd_tdep (void);
  67
  68 void
  69 _initialize_vaxnbsd_tdep (void)
  70 {
  71   gdbarch_register_osabi (bfd_arch_vax, 0, GDB_OSABI_NETBSD_AOUT,
  72                           vaxnbsd_aout_init_abi);
  73   gdbarch_register_osabi (bfd_arch_vax, 0, GDB_OSABI_NETBSD_ELF,
  74                           vaxnbsd_elf_init_abi);
  75 }