diff --git a/libc/sysdeps/linux/alpha/jmpbuf-unwind.h b/libc/sysdeps/linux/alpha/jmpbuf-unwind.h
index 80fe8b3..b14837e 100644
--- a/libc/sysdeps/linux/alpha/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/alpha/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 #include <jmpbuf-offsets.h>
 
diff --git a/libc/sysdeps/linux/arc/jmpbuf-unwind.h b/libc/sysdeps/linux/arc/jmpbuf-unwind.h
index 8c41816..d16506a 100644
--- a/libc/sysdeps/linux/arc/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/arc/jmpbuf-unwind.h
@@ -16,12 +16,6 @@
 #include <stdint.h>
 #include <unwind.h>
 
-/* Test if longjmp to JMPBUF would unwind the frame
-   containing a local variable at ADDRESS.  */
-#undef _JMPBUF_UNWINDS
-#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
-  ((void *) (address) < (void *) demangle (jmpbuf[__JMP_BUF_SP]))
-
 #define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
   _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
 
diff --git a/libc/sysdeps/linux/arm/jmpbuf-unwind.h b/libc/sysdeps/linux/arm/jmpbuf-unwind.h
index d7b49e2..44f9a1b 100644
--- a/libc/sysdeps/linux/arm/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/arm/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 #include <jmpbuf-offsets.h>
 
@@ -15,12 +16,6 @@
 #include <stdint.h>
 #include <unwind.h>
 
-/* Test if longjmp to JMPBUF would unwind the frame
-   containing a local variable at ADDRESS.  */
-#undef _JMPBUF_UNWINDS
-#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
-  ((void *) (address) < (void *) demangle (jmpbuf[__JMP_BUF_SP]))
-
 #define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
   _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
 
diff --git a/libc/sysdeps/linux/avr32/jmpbuf-unwind.h b/libc/sysdeps/linux/avr32/jmpbuf-unwind.h
index 5caa2ee..f19f491 100644
--- a/libc/sysdeps/linux/avr32/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/avr32/jmpbuf-unwind.h
@@ -5,6 +5,7 @@
  * Public License.  See the file "COPYING.LIB" in the main directory of this
  * archive for more details.
  */
+
 #include <setjmp.h>
 #include <jmpbuf-offsets.h>
 
diff --git a/libc/sysdeps/linux/bfin/jmpbuf-unwind.h b/libc/sysdeps/linux/bfin/jmpbuf-unwind.h
index bb7a374..26b56db 100644
--- a/libc/sysdeps/linux/bfin/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/bfin/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 
 /* Test if longjmp to JMPBUF would unwind the frame
diff --git a/libc/sysdeps/linux/c6x/jmpbuf-unwind.h b/libc/sysdeps/linux/c6x/jmpbuf-unwind.h
index ad2ab59..58eb18a 100644
--- a/libc/sysdeps/linux/c6x/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/c6x/jmpbuf-unwind.h
@@ -17,6 +17,7 @@
  * along with this program; see the file COPYING.LIB.  If not, see
  * <http://www.gnu.org/licenses/>.
  */
+
 #include <setjmp.h>
 #include <jmpbuf-offsets.h>
 
diff --git a/libc/sysdeps/linux/cris/jmpbuf-unwind.h b/libc/sysdeps/linux/cris/jmpbuf-unwind.h
index 8b75dce..b5950ad 100644
--- a/libc/sysdeps/linux/cris/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/cris/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 #include <jmpbuf-offsets.h>
 
diff --git a/libc/sysdeps/linux/hppa/jmpbuf-unwind.h b/libc/sysdeps/linux/hppa/jmpbuf-unwind.h
index 0590754..efed134 100644
--- a/libc/sysdeps/linux/hppa/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/hppa/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 #include <jmpbuf-offsets.h>
 
diff --git a/libc/sysdeps/linux/ia64/jmpbuf-unwind.h b/libc/sysdeps/linux/ia64/jmpbuf-unwind.h
index 91e2df8..4eb0eea 100644
--- a/libc/sysdeps/linux/ia64/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/ia64/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 
 /* Test if longjmp to JMPBUF would unwind the frame containing a local
diff --git a/libc/sysdeps/linux/m68k/jmpbuf-unwind.h b/libc/sysdeps/linux/m68k/jmpbuf-unwind.h
index d87ace3..c5a8886 100644
--- a/libc/sysdeps/linux/m68k/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/m68k/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 
 /* Test if longjmp to JMPBUF would unwind the frame
diff --git a/libc/sysdeps/linux/metag/bits/setjmp.h b/libc/sysdeps/linux/metag/bits/setjmp.h
index 8ad4b12..d80a355 100644
--- a/libc/sysdeps/linux/metag/bits/setjmp.h
+++ b/libc/sysdeps/linux/metag/bits/setjmp.h
@@ -28,17 +28,7 @@
    */
 
 #define _JBLEN 24
-#if     defined (__USE_MISC) || defined (_ASM)
-#define JB_SP 0
-#endif
 
-#ifndef	_ASM
 typedef int __jmp_buf[_JBLEN] __attribute__((aligned (8)));
-#endif
-
-/* Test if longjmp to JMPBUF would unwind the frame
-   containing a local variable at ADDRESS.  */
-#define _JMPBUF_UNWINDS(jmpbuf, address) \
-  ((void *) (address) > (void *) (jmpbuf)[JB_SP])
 
 #endif	/* bits/setjmp.h */
diff --git a/libc/sysdeps/linux/metag/jmpbuf-offsets.h b/libc/sysdeps/linux/metag/jmpbuf-offsets.h
new file mode 100644
index 0000000..e4faf42
--- /dev/null
+++ b/libc/sysdeps/linux/metag/jmpbuf-offsets.h
@@ -0,0 +1,7 @@
+/*
+ * Copyright (C) 2013, Imagination Technologies Ltd.
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#define JB_SP 0
diff --git a/libc/sysdeps/linux/metag/jmpbuf-unwind.h b/libc/sysdeps/linux/metag/jmpbuf-unwind.h
index 175cd7a..bf79141 100644
--- a/libc/sysdeps/linux/metag/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/metag/jmpbuf-unwind.h
@@ -1,14 +1,16 @@
 /*
+ * Copyright (C) 2013, Imagination Technologies Ltd.
+ *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
 
 #include <setjmp.h>
+#include <jmpbuf-offsets.h>
 
 /* Test if longjmp to JMPBUF would unwind the frame
    containing a local variable at ADDRESS.  */
-#undef _JMPBUF_UNWINDS
-#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
-  ((void *) (address) > (void *) demangle (jmpbuf[JB_SP]))
+#define _JMPBUF_UNWINDS(jmpbuf, address) \
+  ((void *) (address) > (void *) jmpbuf[JB_SP])
 
 #ifdef __UCLIBC_HAS_THREADS_NATIVE__
 #include <stdint.h>
diff --git a/libc/sysdeps/linux/microblaze/jmpbuf-unwind.h b/libc/sysdeps/linux/microblaze/jmpbuf-unwind.h
index a24cd12..2c1c079 100644
--- a/libc/sysdeps/linux/microblaze/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/microblaze/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 
 /* Test if longjmp to JMPBUF would unwind the frame
diff --git a/libc/sysdeps/linux/mips/jmpbuf-unwind.h b/libc/sysdeps/linux/mips/jmpbuf-unwind.h
index 2c0df95..3242eae 100644
--- a/libc/sysdeps/linux/mips/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/mips/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 
 /* Test if longjmp to JMPBUF would unwind the frame
diff --git a/libc/sysdeps/linux/nios2/jmpbuf-unwind.h b/libc/sysdeps/linux/nios2/jmpbuf-unwind.h
index 64cd55f..c22ab24 100644
--- a/libc/sysdeps/linux/nios2/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/nios2/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 
 /* Test if longjmp to JMPBUF would unwind the frame
diff --git a/libc/sysdeps/linux/powerpc/jmpbuf-unwind.h b/libc/sysdeps/linux/powerpc/jmpbuf-unwind.h
index 54322b8..d650b32 100644
--- a/libc/sysdeps/linux/powerpc/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/powerpc/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 #include <jmpbuf-offsets.h>
 
diff --git a/libc/sysdeps/linux/sh/jmpbuf-unwind.h b/libc/sysdeps/linux/sh/jmpbuf-unwind.h
index 8875cc1..34977df 100644
--- a/libc/sysdeps/linux/sh/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/sh/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 
 /* Test if longjmp to JMPBUF would unwind the frame
diff --git a/libc/sysdeps/linux/sparc/jmpbuf-unwind.h b/libc/sysdeps/linux/sparc/jmpbuf-unwind.h
index 90efb77..31449d8 100644
--- a/libc/sysdeps/linux/sparc/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/sparc/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 #include <jmpbuf-offsets.h>
 
diff --git a/libc/sysdeps/linux/x86_64/jmpbuf-unwind.h b/libc/sysdeps/linux/x86_64/jmpbuf-unwind.h
index 1525872..b3f39b5 100644
--- a/libc/sysdeps/linux/x86_64/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/x86_64/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 #include <jmpbuf-offsets.h>
 
diff --git a/libc/sysdeps/linux/xtensa/jmpbuf-unwind.h b/libc/sysdeps/linux/xtensa/jmpbuf-unwind.h
index 4516d93..13161e9 100644
--- a/libc/sysdeps/linux/xtensa/jmpbuf-unwind.h
+++ b/libc/sysdeps/linux/xtensa/jmpbuf-unwind.h
@@ -3,6 +3,7 @@
  *
  * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
  */
+
 #include <setjmp.h>
 #include <jmpbuf-offsets.h>
 
diff --git a/libpthread/nptl/sysdeps/alpha/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/alpha/jmpbuf-unwind.h
deleted file mode 100644
index 2f64e7d..0000000
--- a/libpthread/nptl/sysdeps/alpha/jmpbuf-unwind.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <setjmp.h>
-#include <stdint.h>
-#include <unwind.h>
-
-#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
-  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
-
-#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_SP] - (_adj))
diff --git a/libpthread/nptl/sysdeps/arc/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/arc/jmpbuf-unwind.h
deleted file mode 100644
index 11a043b..0000000
--- a/libpthread/nptl/sysdeps/arc/jmpbuf-unwind.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Copyright (C) 2005,2006 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <setjmp.h>
-#include <stdint.h>
-#include <unwind.h>
-
-/* Test if longjmp to JMPBUF would unwind the frame
-   containing a local variable at ADDRESS.  */
-#undef _JMPBUF_UNWINDS
-#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
-  ((void *) (address) < (void *) demangle (jmpbuf[__JMP_BUF_SP]))
-
-#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
-  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
-
-#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[__JMP_BUF_SP] - (_adj))
diff --git a/libpthread/nptl/sysdeps/arm/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/arm/jmpbuf-unwind.h
deleted file mode 100644
index 11a043b..0000000
--- a/libpthread/nptl/sysdeps/arm/jmpbuf-unwind.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Copyright (C) 2005,2006 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <setjmp.h>
-#include <stdint.h>
-#include <unwind.h>
-
-/* Test if longjmp to JMPBUF would unwind the frame
-   containing a local variable at ADDRESS.  */
-#undef _JMPBUF_UNWINDS
-#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
-  ((void *) (address) < (void *) demangle (jmpbuf[__JMP_BUF_SP]))
-
-#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
-  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
-
-#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[__JMP_BUF_SP] - (_adj))
diff --git a/libpthread/nptl/sysdeps/i386/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/i386/jmpbuf-unwind.h
deleted file mode 100644
index 2f64e7d..0000000
--- a/libpthread/nptl/sysdeps/i386/jmpbuf-unwind.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <setjmp.h>
-#include <stdint.h>
-#include <unwind.h>
-
-#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
-  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
-
-#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_SP] - (_adj))
diff --git a/libpthread/nptl/sysdeps/metag/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/metag/jmpbuf-unwind.h
deleted file mode 100644
index b3da6bd..0000000
--- a/libpthread/nptl/sysdeps/metag/jmpbuf-unwind.h
+++ /dev/null
@@ -1,35 +0,0 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@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; see the file COPYING.LIB.  If
-   not, see <http://www.gnu.org/licenses/>.  */
-
-#include <setjmp.h>
-#include <stdint.h>
-#include <unwind.h>
-
-/* Test if longjmp to JMPBUF would unwind the frame
-   containing a local variable at ADDRESS.  */
-#undef _JMPBUF_UNWINDS
-#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
-  ((void *) (address) > (void *) demangle (jmpbuf[JB_SP]))
-
-#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
-  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
-
-#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) > (uintptr_t) (_jmpbuf)[JB_SP] - (_adj))
-
-#define __libc_unwind_longjmp(buf, val) __libc_longjmp (buf, val)
diff --git a/libpthread/nptl/sysdeps/mips/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/mips/jmpbuf-unwind.h
deleted file mode 100644
index 9739efd..0000000
--- a/libpthread/nptl/sysdeps/mips/jmpbuf-unwind.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* Copyright (C) 2003, 2005 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <setjmp.h>
-#include <stdint.h>
-#include <unwind.h>
-
-#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
-  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
-
-#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[0].__sp - (_adj))
diff --git a/libpthread/nptl/sysdeps/powerpc/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/powerpc/jmpbuf-unwind.h
deleted file mode 100644
index 4a88b04..0000000
--- a/libpthread/nptl/sysdeps/powerpc/jmpbuf-unwind.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <setjmp.h>
-#include <stdint.h>
-#include <unwind.h>
-
-#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
-  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
-
-#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_GPR1] - (_adj))
diff --git a/libpthread/nptl/sysdeps/sh/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/sh/jmpbuf-unwind.h
deleted file mode 100644
index 2f7f852..0000000
--- a/libpthread/nptl/sysdeps/sh/jmpbuf-unwind.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <setjmp.h>
-#include <stdint.h>
-#include <unwind.h>
-
-#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
-  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
-
-#define _JMPBUF_UNWINDS_ADJ(jmpbuf, address, adj) \
-  ((uintptr_t) (address) - (adj) < (uintptr_t) (jmpbuf)[0].__regs[7] - (adj))
diff --git a/libpthread/nptl/sysdeps/sparc/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/sparc/jmpbuf-unwind.h
deleted file mode 100644
index 2f64e7d..0000000
--- a/libpthread/nptl/sysdeps/sparc/jmpbuf-unwind.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <setjmp.h>
-#include <stdint.h>
-#include <unwind.h>
-
-#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
-  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
-
-#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_SP] - (_adj))
diff --git a/libpthread/nptl/sysdeps/x86_64/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/x86_64/jmpbuf-unwind.h
deleted file mode 100644
index 304bf85..0000000
--- a/libpthread/nptl/sysdeps/x86_64/jmpbuf-unwind.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/* Copyright (C) 2003, 2004 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Jakub Jelinek <jakub@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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <setjmp.h>
-#include <stdint.h>
-#include <unwind.h>
-
-#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
-  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
-
-#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_RSP] - (_adj))
diff --git a/libpthread/nptl/sysdeps/xtensa/jmpbuf-unwind.h b/libpthread/nptl/sysdeps/xtensa/jmpbuf-unwind.h
deleted file mode 100644
index bda498b..0000000
--- a/libpthread/nptl/sysdeps/xtensa/jmpbuf-unwind.h
+++ /dev/null
@@ -1,32 +0,0 @@
-/* Copyright (C) 2005,2006 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   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, see
-   <http://www.gnu.org/licenses/>.  */
-
-#include <setjmp.h>
-#include <stdint.h>
-#include <unwind.h>
-
-/* Test if longjmp to JMPBUF would unwind the frame
-   containing a local variable at ADDRESS.  */
-#undef _JMPBUF_UNWINDS
-#define _JMPBUF_UNWINDS(jmpbuf, address, demangle) \
-  ((void *) (address) < (void *) demangle (jmpbuf[JB_SP]))
-
-#define _JMPBUF_CFA_UNWINDS_ADJ(_jmpbuf, _context, _adj) \
-  _JMPBUF_UNWINDS_ADJ (_jmpbuf, (void *) _Unwind_GetCFA (_context), _adj)
-
-#define _JMPBUF_UNWINDS_ADJ(_jmpbuf, _address, _adj) \
-  ((uintptr_t) (_address) - (_adj) < (uintptr_t) (_jmpbuf)[JB_SP] - (_adj))
