1 files changed, 0 insertions, 120 deletions
diff --git a/contrib/gcc/config/ia64/unwind-aix.c b/contrib/gcc/config/ia64/unwind-aix.c
deleted file mode 100644
index 7e59406..0000000
--- a/contrib/gcc/config/ia64/unwind-aix.c
+++ /dev/null
@@ -1,120 +0,0 @@
-/* Implements unwind table entry lookup for AIX (cf. fde-glibc.c). 
-   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
-   Contributed by Timothy Wall <twall@redhat.com>
-
-   This file is part of GNU CC.
-
-   GNU CC 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, or (at your option)
-   any later version.
-
-   GNU CC 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 GNU CC; see the file COPYING.  If not, write to
-   the Free Software Foundation, 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-#include "tconfig.h"
-#include "tsystem.h"
-#include "unwind.h"
-#include "unwind-ia64.h"
-
-#include <dlfcn.h>
-#include <link.h>
-#include <sys/mman.h>
-
-static struct unw_table_entry *
-find_fde_for_dso (Elf64_Addr pc, rt_link_map *map,
-                  unsigned long* pseg_base, unsigned long* pgp)
-{
-  rt_segment *seg;
-  Elf64_Addr seg_base;
-  struct unw_table_entry *f_base;
-  size_t lo, hi;
-  
-  /* See if PC falls into one of the loaded segments.  */
-  for (seg = map->l_segments; seg; seg = (rt_segment *)seg->s_next) 
-    {
-      if (pc >= seg->s_map_addr && pc < seg->s_map_addr + seg->s_mapsz)
-        break;
-    }
-  if (!seg) 
-    return NULL;
-  
-  /* Search for the entry within the unwind table.  */
-  f_base = (struct unw_table_entry *) (map->l_unwind_table);
-  seg_base = (Elf64_Addr) seg->s_map_addr;
-  lo = 0;
-  hi = map->l_unwind_sz / sizeof (struct unw_table_entry);
-
-  while (lo < hi)
-    {
-      size_t mid = (lo + hi) / 2;
-      struct unw_table_entry *f = f_base + mid;
-
-      if (pc < f->start_offset + seg_base)
-        hi = mid;
-      else if (pc >= f->end_offset + seg_base)
-        lo = mid + 1;
-      else {
-        /* AIX executables are *always* dynamic.  Look up GP for this
-           object.  */ 
-        Elf64_Dyn *dyn = map->l_ld;
-        *pgp = 0;
-        for (; dyn->d_tag != DT_NULL ; dyn++) 
-          {
-            if (dyn->d_tag == DT_PLTGOT)
-              {
-                *pgp = dyn->d_un.d_ptr;
-                break;
-              }
-          }
-        *pseg_base = seg_base;
-        return f;
-      }
-    }
-  return NULL;
-}
-
-/* Return a pointer to the unwind table entry for the function containing
-   PC.  */  
-struct unw_table_entry *
-_Unwind_FindTableEntry (void *pc, unsigned long *pseg_base, unsigned long *pgp)
-{
-  extern rt_r_debug _r_debug;
-  struct unw_table_entry *ret;
-  rt_link_map *map = _r_debug.r_map; /* address of link map */
-
-  /* Check the main application first, hoping that most of the user's
-     code is there instead of in some library.  */
-  ret = find_fde_for_dso ((Elf64_Addr)pc, map, pseg_base, pgp);
-  if (ret) 
-    {
-      /* If we're in the main application, use the current GP value.  */
-      register unsigned long gp __asm__("gp");
-      *pgp = gp;
-      return ret;
-    }
-
-  /* FIXME need a DSO lock mechanism for AIX here, to ensure shared
-     libraries aren't changed while we're examining them.  */
-
-  for (map = _r_debug.r_map; map; map = map->l_next)
-    {
-      /* Skip the main application's entry.  */
-      if (!map->l_name)
-      continue;
-      ret = find_fde_for_dso ((Elf64_Addr)pc, map, pseg_base, pgp);
-      if (ret)
-      break;
-    }
-
-  /* FIXME need a DSO unlock mechanism for AIX here.  */
-
-  return ret;
-}