Back out nptl changes, which for now will be done in branches/uClibc-nptl

1 files changed, 0 insertions, 176 deletions

diff --git a/libpthread/nptl/unwind.c b/libpthread/nptl/unwind.c
deleted file mode 100644
index 56a423815..000000000
--- a/libpthread/nptl/unwind.c
+++ /dev/null
@@ -1,176 +0,0 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>
-   and Richard Henderson <rth@redhat.com>, 2003.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library 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
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#include <setjmp.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include "pthreadP.h"
-#include "jmpbuf-unwind.h"
-
-#ifdef HAVE_FORCED_UNWIND
-
-#ifdef _STACK_GROWS_DOWN
-# define FRAME_LEFT(frame, other, adj) \
-  ((uintptr_t) frame - adj >= (uintptr_t) other - adj)
-#elif _STACK_GROWS_UP
-# define FRAME_LEFT(frame, other, adj) \
-  ((uintptr_t) frame - adj <= (uintptr_t) other - adj)
-#else
-# error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP"
-#endif
-
-static _Unwind_Reason_Code
-unwind_stop (int version, _Unwind_Action actions,
-	     _Unwind_Exception_Class exc_class,
-	     struct _Unwind_Exception *exc_obj,
-	     struct _Unwind_Context *context, void *stop_parameter)
-{
-  struct pthread_unwind_buf *buf = stop_parameter;
-  struct pthread *self = THREAD_SELF;
-  struct _pthread_cleanup_buffer *curp = THREAD_GETMEM (self, cleanup);
-  int do_longjump = 0;
-
-  /* Adjust all pointers used in comparisons, so that top of thread's
-     stack is at the top of address space.  Without that, things break
-     if stack is allocated above the main stack.  */
-  uintptr_t adj = (uintptr_t) self->stackblock + self->stackblock_size;
-
-  /* Do longjmp if we're at "end of stack", aka "end of unwind data".
-     We assume there are only C frame without unwind data in between
-     here and the jmp_buf target.  Otherwise simply note that the CFA
-     of a function is NOT within it's stack frame; it's the SP of the
-     previous frame.  */
-  if ((actions & _UA_END_OF_STACK)
-      || ! _JMPBUF_CFA_UNWINDS_ADJ (buf->cancel_jmp_buf[0].jmp_buf, context,
-				    adj))
-    do_longjump = 1;
-
-  if (__builtin_expect (curp != NULL, 0))
-    {
-      /* Handle the compatibility stuff.  Execute all handlers
-	 registered with the old method which would be unwound by this
-	 step.  */
-      struct _pthread_cleanup_buffer *oldp = buf->priv.data.cleanup;
-      void *cfa = (void *) _Unwind_GetCFA (context);
-
-      if (curp != oldp && (do_longjump || FRAME_LEFT (cfa, curp, adj)))
-	{
-	  do
-	    {
-	      /* Pointer to the next element.  */
-	      struct _pthread_cleanup_buffer *nextp = curp->__prev;
-
-	      /* Call the handler.  */
-	      curp->__routine (curp->__arg);
-
-	      /* To the next.  */
-	      curp = nextp;
-	    }
-	  while (curp != oldp
-		 && (do_longjump || FRAME_LEFT (cfa, curp, adj)));
-
-	  /* Mark the current element as handled.  */
-	  THREAD_SETMEM (self, cleanup, curp);
-	}
-    }
-
-  if (do_longjump)
-    __libc_unwind_longjmp ((struct __jmp_buf_tag *) buf->cancel_jmp_buf, 1);
-
-  return _URC_NO_REASON;
-}
-
-
-static void
-unwind_cleanup (_Unwind_Reason_Code reason, struct _Unwind_Exception *exc)
-{
-  /* When we get here a C++ catch block didn't rethrow the object.  We
-     cannot handle this case and therefore abort.  */
-# define STR_N_LEN(str) str, strlen (str)
-  INTERNAL_SYSCALL_DECL (err);
-  INTERNAL_SYSCALL (write, err, 3, STDERR_FILENO,
-		    STR_N_LEN ("FATAL: exception not rethrown\n"));
-  abort ();
-}
-
-#endif	/* have forced unwind */
-
-
-void
-__cleanup_fct_attribute __attribute ((noreturn))
-__pthread_unwind (__pthread_unwind_buf_t *buf)
-{
-  struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf;
-  struct pthread *self = THREAD_SELF;
-
-#ifdef HAVE_FORCED_UNWIND
-  /* This is not a catchable exception, so don't provide any details about
-     the exception type.  We do need to initialize the field though.  */
-  THREAD_SETMEM (self, exc.exception_class, 0);
-  THREAD_SETMEM (self, exc.exception_cleanup, unwind_cleanup);
-
-  _Unwind_ForcedUnwind (&self->exc, unwind_stop, ibuf);
-#else
-  /* Handle the compatibility stuff first.  Execute all handlers
-     registered with the old method.  We don't execute them in order,
-     instead, they will run first.  */
-  struct _pthread_cleanup_buffer *oldp = ibuf->priv.data.cleanup;
-  struct _pthread_cleanup_buffer *curp = THREAD_GETMEM (self, cleanup);
-
-  if (curp != oldp)
-    {
-      do
-	{
-	  /* Pointer to the next element.  */
-	  struct _pthread_cleanup_buffer *nextp = curp->__prev;
-
-	  /* Call the handler.  */
-	  curp->__routine (curp->__arg);
-
-	  /* To the next.  */
-	  curp = nextp;
-	}
-      while (curp != oldp);
-
-      /* Mark the current element as handled.  */
-      THREAD_SETMEM (self, cleanup, curp);
-    }
-
-  /* We simply jump to the registered setjmp buffer.  */
-  __libc_unwind_longjmp ((struct __jmp_buf_tag *) ibuf->cancel_jmp_buf, 1);
-#endif
-  /* NOTREACHED */
-
-  /* We better do not get here.  */
-  abort ();
-}
-hidden_def (__pthread_unwind)
-
-
-void
-__cleanup_fct_attribute __attribute ((noreturn))
-__pthread_unwind_next (__pthread_unwind_buf_t *buf)
-{
-  struct pthread_unwind_buf *ibuf = (struct pthread_unwind_buf *) buf;
-
-  __pthread_unwind ((__pthread_unwind_buf_t *) ibuf->priv.data.prev);
-}
-hidden_def (__pthread_unwind_next)