2003-01-31 Frank Ch. Eigler <fche@redhat.com>

[deliverable/binutils-gdb.git] / gdb / i386bsd-tdep.c

diff --git a/gdb/i386bsd-tdep.c b/gdb/i386bsd-tdep.c
index 61213ff658f49a9598c832e38cc0fc27af96926d..af30df11e264c7ca49e93a65f678e45356c91cfc 100644 (file)
--- a/gdb/i386bsd-tdep.c
+++ b/gdb/i386bsd-tdep.c
@@ -1,5 +1,5 @@
 /* Target-dependent code for i386 BSD's.
-   Copyright 2001, 2002 Free Software Foundation, Inc.
+   Copyright 2001, 2002, 2003 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -23,6 +23,9 @@
 #include "frame.h"
 #include "gdbcore.h"
 #include "regcache.h"
+#include "osabi.h"
+
+#include "gdb_string.h"
 
 #include "i386-tdep.h"
 
@@ -91,13 +94,17 @@ i386bsd_aout_in_solib_call_trampoline (CORE_ADDR pc, char *name)
 int i386bsd_sc_pc_offset = 20;
 int i386bsd_sc_sp_offset = 8;
 
-static void
+void
 i386bsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
 {
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
 
   set_gdbarch_pc_in_sigtramp (gdbarch, i386bsd_pc_in_sigtramp);
 
+  /* Allow the recognition of sigtramps as a function named <sigtramp>.  */
+  set_gdbarch_sigtramp_start (gdbarch, i386bsd_sigtramp_start);
+  set_gdbarch_sigtramp_end (gdbarch, i386bsd_sigtramp_end);
+
   /* Assume SunOS-style shared libraries.  */
   set_gdbarch_in_solib_call_trampoline (gdbarch,
                                        i386bsd_aout_in_solib_call_trampoline);
@@ -111,58 +118,6 @@ i386bsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   tdep->sc_sp_offset = i386bsd_sc_sp_offset;
 }
 
-/* NetBSD 1.0 or later.  */
-
-/* From <machine/signal.h>.  */
-int i386nbsd_sc_pc_offset = 44;
-int i386nbsd_sc_sp_offset = 56;
-
-static void
-i386nbsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
-{
-  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
-  /* Obviously NetBSD is BSD-based.  */
-  i386bsd_init_abi (info, gdbarch);
-
-  /* NetBSD uses -freg-struct-return by default.  */
-  tdep->struct_return = reg_struct_return;
-
-  /* NetBSD uses a different memory layout.  */
-  tdep->sigtramp_start = 0xbfbfdf20;
-  tdep->sigtramp_end = 0xbfbfdff0;
-
-  /* NetBSD has a `struct sigcontext' that's different from the
-     origional 4.3 BSD.  */
-  tdep->sc_pc_offset = i386nbsd_sc_pc_offset;
-  tdep->sc_sp_offset = i386nbsd_sc_sp_offset;
-}
-
-/* NetBSD ELF.  */
-static void
-i386nbsdelf_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
-{
-  struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-
-  /* It's still NetBSD.  */
-  i386nbsd_init_abi (info, gdbarch);
-
-  /* But ELF-based.  */
-  i386_elf_init_abi (info, gdbarch);
-
-  /* NetBSD ELF uses SVR4-style shared libraries.  */
-  set_gdbarch_in_solib_call_trampoline (gdbarch,
-                                       generic_in_solib_call_trampoline);
-
-  /* NetBSD ELF uses -fpcc-struct-return by default.  */
-  tdep->struct_return = pcc_struct_return;
-
-  /* We support the SSE registers on NetBSD ELF.  */
-  tdep->num_xmm_regs = I386_NUM_XREGS - 1;
-  set_gdbarch_num_regs (gdbarch, I386_NUM_GREGS + I386_NUM_FREGS
-                       + I386_NUM_XREGS);
-}
-
 /* FreeBSD 3.0-RELEASE or later.  */
 
 CORE_ADDR i386fbsd_sigtramp_start = 0xbfbfdf20;
@@ -241,12 +196,8 @@ _initialize_i386bsd_tdep (void)
   gdbarch_register_osabi_sniffer (bfd_arch_i386, bfd_target_aout_flavour,
                                  i386bsd_aout_osabi_sniffer);
 
-  gdbarch_register_osabi (bfd_arch_i386, GDB_OSABI_NETBSD_AOUT,
-                         i386nbsd_init_abi);
-  gdbarch_register_osabi (bfd_arch_i386, GDB_OSABI_NETBSD_ELF,
-                         i386nbsdelf_init_abi);
-  gdbarch_register_osabi (bfd_arch_i386, GDB_OSABI_FREEBSD_AOUT,
+  gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_FREEBSD_AOUT,
                          i386fbsdaout_init_abi);
-  gdbarch_register_osabi (bfd_arch_i386, GDB_OSABI_FREEBSD_ELF,
+  gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_FREEBSD_ELF,
                          i386fbsd4_init_abi);
 }