Delete unused file.

	* unwind-libunwind.c: Delete.

From-SVN: r75790

gcc/ChangeLog

+2004-01-12  James E Wilson  <wilson@specifixinc.com>
+
+	* unwind-libunwind.c: Delete.
+
 2004-01-12  Zack Weinberg  <zack@codesourcery.com>
 
 	PR 13656

gcc/unwind-libunwind.c

-/* Subroutines needed for unwinding stack frames via the libunwind API.
-   Copyright (C) 2002, 2003
-   Free Software Foundation, Inc.
-   Contributed by David Mosberger-Tang <davidm@hpl.hp.com>
-
-   This file is part of GCC.
-
-   GCC 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.
-
-   GCC 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 GCC; see the file COPYING.  If not, write to
-   the Free Software Foundation, 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
-
-/* As a special exception, if you link this library with other files,
-   some of which are compiled with GCC, to produce an executable,
-   this library does not by itself cause the resulting executable
-   to be covered by the GNU General Public License.
-   This exception does not however invalidate any other reasons why
-   the executable file might be covered by the GNU General Public License.  */
-
-#include "tconfig.h"
-#include "tsystem.h"
-#include "unwind.h"
-
-#ifndef __USING_SJLJ_EXCEPTIONS__
-
-#define UNW_LOCAL_ONLY
-
-#include <libunwind.h>
-
-typedef struct {
-  _Unwind_Personality_Fn personality;
-} _Unwind_FrameState;
-
-struct _Unwind_Context {
-  unw_cursor_t cursor;
-};
-
-
-/* First come the helper-routines that are needed by unwind.inc.  */
-
-static _Unwind_Reason_Code
-uw_frame_state_for (struct _Unwind_Context *context, _Unwind_FrameState *fs)
-{
-  unw_proc_info_t pi;
-
-  if (unw_step (&context->cursor) <= 0)
-    return _URC_END_OF_STACK;
-
-  unw_get_proc_info(&context->cursor, &pi);
-  fs->personality = (_Unwind_Personality_Fn) pi.handler;
-
-  return _URC_NO_REASON;
-}
-
-#define uw_update_context(context,fs)	do { ; } while (0)
-
-static inline _Unwind_Ptr
-uw_identify_context (struct _Unwind_Context *context)
-{
-  unw_word_t ip;
-  unw_get_reg (&context->cursor, UNW_REG_IP, &ip);
-  return (_Unwind_Ptr) ip;
-}
-
-#define uw_init_context(context)		\
-do						\
-  {						\
-    unw_context_t uc;				\
-    unw_getcontext (&uc);			\
-    unw_init_local (&(context)->cursor, &uc);	\
-  }						\
-while (0)
-
-static inline void __attribute__ ((noreturn))
-uw_install_context (struct _Unwind_Context *current __attribute__ ((unused)),
-		    struct _Unwind_Context *target)
-{
-  unw_resume (&(target)->cursor);
-  abort ();
-}
-
-
-/* Now come the helper-routines which may be called from an exception
-   handler.  The interface for these routines are defined by the C++
-   ABI.  See: http://www.codesourcery.com/cxx-abi/abi-eh.html */
-
-_Unwind_Word
-_Unwind_GetGR (struct _Unwind_Context *context, int index)
-{
-  unw_word_t ret;
-
-  /* Note: here we depend on the fact that general registers are
-     expected to start with register number 0!  */
-  unw_get_reg (&context->cursor, index, &ret);
-  return ret;
-}
-
-/* Get the value of the CFA as saved in CONTEXT.  */
-
-_Unwind_Word
-_Unwind_GetCFA (struct _Unwind_Context *context)
-{
-  unw_word_t ret;
-
-  unw_get_reg (&context->cursor, UNW_IA64_SP, &ret);
-  return ret;
-}
-
-/* Overwrite the saved value for register REG in CONTEXT with VAL.  */
-
-void
-_Unwind_SetGR (struct _Unwind_Context *context, int index, _Unwind_Word val)
-{
-  /* Note: here we depend on the fact that general registers are
-     expected to start with register number 0!  */
-  unw_set_reg (&context->cursor, index, val);
-#ifdef UNW_TARGET_IA64
-  if (index >= UNW_IA64_GR && index <= UNW_IA64_GR + 127)
-    /* Clear the NaT bit.  */
-    unw_set_reg (&context->cursor, UNW_IA64_NAT + (index - UNW_IA64_GR), 0);
-#endif
-}
-
-/* Retrieve the return address for CONTEXT.  */
-
-inline _Unwind_Ptr
-_Unwind_GetIP (struct _Unwind_Context *context)
-{
-  unw_word_t ret;
-
-  unw_get_reg (&context->cursor, UNW_REG_IP, &ret);
-  return ret;
-}
-
-/* Overwrite the return address for CONTEXT with VAL.  */
-
-inline void
-_Unwind_SetIP (struct _Unwind_Context *context, _Unwind_Ptr val)
-{
-  unw_set_reg (&context->cursor, UNW_REG_IP, val);
-}
-
-void *
-_Unwind_GetLanguageSpecificData (struct _Unwind_Context *context)
-{
-  unw_proc_info_t pi;
-
-  unw_get_proc_info(&context->cursor, &pi);
-  return (void *) pi.lsda;
-}
-
-_Unwind_Ptr
-_Unwind_GetRegionStart (struct _Unwind_Context *context)
-{
-  unw_proc_info_t pi;
-
-  unw_get_proc_info(&context->cursor, &pi);
-  return (_Unwind_Ptr) pi.start_ip;
-}
-
-void *
-_Unwind_FindEnclosingFunction (void *pc)
-{
-  return NULL;
-}
-
-#ifdef UNW_TARGET_IA64
-
-_Unwind_Word
-_Unwind_GetBSP (struct _Unwind_Context *context)
-{
-  unw_word_t ret;
-
-  unw_get_reg (&context->cursor, UNW_IA64_BSP, &ret);
-  return ret;
-}
-
-#endif
-
-#include "unwind.inc"
-
-#endif /* !__USING_SJLJ_EXCEPTIONS__ */