Merge changes between r20863 and r21108 from /fsf/trunk.

git-svn-id: svn://svn.eglibc.org/trunk@21109 7b3dc134-2b1b-0410-93df-9e9f96275f8d

28 files changed, 128 insertions, 496 deletions

diff --git a/libc/ports/sysdeps/alpha/configure b/libc/ports/sysdeps/alpha/configure
index d906524bd..9c03229df 100644
--- a/libc/ports/sysdeps/alpha/configure
+++ b/libc/ports/sysdeps/alpha/configure
@@ -4,3 +4,4 @@
 # With required gcc+binutils, we can always access static and hidden
 # symbols in a position independent way.
 $as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
+
diff --git a/libc/ports/sysdeps/arm/configure b/libc/ports/sysdeps/arm/configure
index 51fd72557..385f29590 100644
--- a/libc/ports/sysdeps/arm/configure
+++ b/libc/ports/sysdeps/arm/configure
@@ -1,102 +1,3 @@
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
-  return $1
-} # as_fn_set_status
-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
-  set +e
-  as_fn_set_status $1
-  exit $1
-} # as_fn_exit
-# as_fn_arith ARG...
-# ------------------
-# Perform arithmetic evaluation on the ARGs, and store the result in the
-# global $as_val. Take advantage of shells that can avoid forks. The arguments
-# must be portable across $(()) and expr.
-if (eval "test \$(( 1 + 1 )) = 2") 2>/dev/null; then :
-  eval 'as_fn_arith ()
-  {
-    as_val=$(( $* ))
-  }'
-else
-  as_fn_arith ()
-  {
-    as_val=`expr "$@" || test $? -eq 1`
-  }
-fi # as_fn_arith
-
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
-
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
-  as_basename=basename
-else
-  as_basename=false
-fi
-
-as_me=`$as_basename -- "$0" ||
-$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
-	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-
-
-  as_lineno_1=$LINENO as_lineno_1a=$LINENO
-  as_lineno_2=$LINENO as_lineno_2a=$LINENO
-  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
-  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
-  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
-  sed -n '
-    p
-    /[$]LINENO/=
-  ' <$as_myself |
-    sed '
-      s/[$]LINENO.*/&-/
-      t lineno
-      b
-      :lineno
-      N
-      :loop
-      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
-      t loop
-      s/-\n.*//
-    ' >$as_me.lineno &&
-  chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
-
-  # Don't try to exec as it changes $[0], causing all sort of problems
-  # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensitive to this).
-  . "./$as_me.lineno"
-  # Exit status is that of the last command.
-  exit
-}
-
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/arm.
 
diff --git a/libc/ports/sysdeps/arm/dl-machine.h b/libc/ports/sysdeps/arm/dl-machine.h
index 343a83e98..3b25e0f0f 100644
--- a/libc/ports/sysdeps/arm/dl-machine.h
+++ b/libc/ports/sysdeps/arm/dl-machine.h
@@ -302,36 +302,56 @@ elf_machine_plt_value (struct link_map *map, const Elf32_Rel *reloc,
 #define ARCH_LA_PLTEXIT arm_gnu_pltexit
 
 #ifdef RESOLVE_MAP
-
-/* Deal with an out-of-range PC24 reloc.  */
-auto Elf32_Addr
-fix_bad_pc24 (Elf32_Addr *const reloc_addr, Elf32_Addr value)
+/* Handle a PC24 reloc, including the out-of-range case.  */
+auto void
+relocate_pc24 (struct link_map *map, Elf32_Addr value,
+               Elf32_Addr *const reloc_addr, Elf32_Sword addend)
 {
-  static void *fix_page;
-  static unsigned int fix_offset;
-  static size_t pagesize;
-  Elf32_Word *fix_address;
+  Elf32_Addr new_value;
+
+  /* Set NEW_VALUE based on V, and return true iff it overflows 24 bits.  */
+  inline bool set_new_value (Elf32_Addr v)
+  {
+    new_value = v + addend - (Elf32_Addr) reloc_addr;
+    Elf32_Addr topbits = new_value & 0xfe000000;
+    return topbits != 0xfe000000 && topbits != 0x00000000;
+  }
 
-  if (! fix_page)
+  if (set_new_value (value))
     {
-      if (! pagesize)
-	pagesize = getpagesize ();
-      fix_page = mmap (NULL, pagesize, PROT_READ | PROT_WRITE | PROT_EXEC,
-		       MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-      if (! fix_page)
-	assert (! "could not map page for fixup");
-      fix_offset = 0;
+      /* The PC-relative address doesn't fit in 24 bits!  */
+
+      static void *fix_page;
+      static size_t fix_offset;
+      if (fix_page == NULL)
+        {
+          void *new_page = __mmap (NULL, GLRO(dl_pagesize),
+                                   PROT_READ | PROT_WRITE | PROT_EXEC,
+                                   MAP_PRIVATE | MAP_ANON, -1, 0);
+          if (new_page == MAP_FAILED)
+            _dl_signal_error (0, map->l_name, NULL,
+                              "could not map page for fixup");
+          fix_page = new_page;
+          assert (fix_offset == 0);
+        }
+
+      Elf32_Word *fix_address = fix_page + fix_offset;
+      fix_address[0] = 0xe51ff004;	/* ldr pc, [pc, #-4] */
+      fix_address[1] = value;
+
+      fix_offset += sizeof fix_address[0] * 2;
+      if (fix_offset >= GLRO(dl_pagesize))
+        {
+          fix_page = NULL;
+          fix_offset = 0;
+        }
+
+      if (set_new_value ((Elf32_Addr) fix_address))
+        _dl_signal_error (0, map->l_name, NULL,
+                          "R_ARM_PC24 relocation out of range");
     }
 
-  fix_address = (Elf32_Word *)(fix_page + fix_offset);
-  fix_address[0] = 0xe51ff004;	/* ldr pc, [pc, #-4] */
-  fix_address[1] = value;
-
-  fix_offset += 8;
-  if (fix_offset >= pagesize)
-    fix_page = NULL;
-
-  return (Elf32_Addr)fix_address;
+  *reloc_addr = (*reloc_addr & 0xff000000) | ((new_value >> 2) & 0x00ffffff);
 }
 
 /* Perform the relocation specified by RELOC and SYM (which is fully resolved).
@@ -473,30 +493,11 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
 	    }
 	    break;
 	case R_ARM_PC24:
-	  {
-	     Elf32_Sword addend;
-	     Elf32_Addr newvalue, topbits;
-
-	     addend = *reloc_addr & 0x00ffffff;
-	     if (addend & 0x00800000) addend |= 0xff000000;
-
-	     newvalue = value - (Elf32_Addr)reloc_addr + (addend << 2);
-	     topbits = newvalue & 0xfe000000;
-	     if (topbits != 0xfe000000 && topbits != 0x00000000)
-	       {
-		 newvalue = fix_bad_pc24(reloc_addr, value)
-		   - (Elf32_Addr)reloc_addr + (addend << 2);
-		 topbits = newvalue & 0xfe000000;
-		 if (topbits != 0xfe000000 && topbits != 0x00000000)
-		   {
-		     _dl_signal_error (0, map->l_name, NULL,
-				       "R_ARM_PC24 relocation out of range");
-		   }
-	       }
-	     newvalue >>= 2;
-	     value = (*reloc_addr & 0xff000000) | (newvalue & 0x00ffffff);
-	     *reloc_addr = value;
-	  }
+          relocate_pc24 (map, value, reloc_addr,
+                         /* Sign-extend the 24-bit addend in the
+                            instruction (which counts instructions), and
+                            then shift it up two so as to count bytes.  */
+                         (((Elf32_Sword) *reloc_addr << 8) >> 8) << 2);
 	  break;
 #if !defined RTLD_BOOTSTRAP
 	case R_ARM_TLS_DTPMOD32:
@@ -589,26 +590,7 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
 	  *reloc_addr = value + reloc->r_addend;
 	  break;
 	case R_ARM_PC24:
-	  {
-	     Elf32_Addr newvalue, topbits;
-
-	     newvalue = value + reloc->r_addend - (Elf32_Addr)reloc_addr;
-	     topbits = newvalue & 0xfe000000;
-	     if (topbits != 0xfe000000 && topbits != 0x00000000)
-	       {
-		 newvalue = fix_bad_pc24(reloc_addr, value)
-		   - (Elf32_Addr)reloc_addr + (reloc->r_addend << 2);
-		 topbits = newvalue & 0xfe000000;
-		 if (topbits != 0xfe000000 && topbits != 0x00000000)
-		   {
-		     _dl_signal_error (0, map->l_name, NULL,
-				       "R_ARM_PC24 relocation out of range");
-		   }
-	       }
-	     newvalue >>= 2;
-	     value = (*reloc_addr & 0xff000000) | (newvalue & 0x00ffffff);
-	     *reloc_addr = value;
-	  }
+          relocate_pc24 (map, value, reloc_addr, reloc->r_addend);
 	  break;
 #if !defined RTLD_BOOTSTRAP
 	case R_ARM_TLS_DTPMOD32:
diff --git a/libc/ports/sysdeps/arm/dl-tlsdesc.h b/libc/ports/sysdeps/arm/dl-tlsdesc.h
index 2b1131c55..97951c0da 100644
--- a/libc/ports/sysdeps/arm/dl-tlsdesc.h
+++ b/libc/ports/sysdeps/arm/dl-tlsdesc.h
@@ -20,12 +20,6 @@
 #ifndef _ARM_DL_TLSDESC_H
 # define _ARM_DL_TLSDESC_H 1
 
-/* Use this to access DT_TLSDESC_PLT and DT_TLSDESC_GOT.  */
-#ifndef ADDRIDX
-# define ADDRIDX(tag) (DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGNUM \
-		       + DT_EXTRANUM + DT_VALNUM + DT_ADDRTAGIDX (tag))
-#endif
-
 /* Type used to represent a TLS descriptor in the GOT.  */
 struct tlsdesc
 {
diff --git a/libc/ports/sysdeps/hppa/configure b/libc/ports/sysdeps/hppa/configure
index c47fb6d0a..762b668f4 100644
--- a/libc/ports/sysdeps/hppa/configure
+++ b/libc/ports/sysdeps/hppa/configure
@@ -1,85 +1,3 @@
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
-  return $1
-} # as_fn_set_status
-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
-  set +e
-  as_fn_set_status $1
-  exit $1
-} # as_fn_exit
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
-
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
-  as_basename=basename
-else
-  as_basename=false
-fi
-
-as_me=`$as_basename -- "$0" ||
-$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
-	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-
-
-  as_lineno_1=$LINENO as_lineno_1a=$LINENO
-  as_lineno_2=$LINENO as_lineno_2a=$LINENO
-  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
-  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
-  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
-  sed -n '
-    p
-    /[$]LINENO/=
-  ' <$as_myself |
-    sed '
-      s/[$]LINENO.*/&-/
-      t lineno
-      b
-      :lineno
-      N
-      :loop
-      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
-      t loop
-      s/-\n.*//
-    ' >$as_me.lineno &&
-  chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
-
-  # Don't try to exec as it changes $[0], causing all sort of problems
-  # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensitive to this).
-  . "./$as_me.lineno"
-  # Exit status is that of the last command.
-  exit
-}
-
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
 
 { $as_echo "$as_me:${as_lineno-$LINENO}: checking for assembler line separator" >&5
diff --git a/libc/ports/sysdeps/ia64/configure b/libc/ports/sysdeps/ia64/configure
index d73346006..e1fe62d8c 100644
--- a/libc/ports/sysdeps/ia64/configure
+++ b/libc/ports/sysdeps/ia64/configure
@@ -1,89 +1,3 @@
-
-# as_fn_set_status STATUS
-# -----------------------
-# Set $? to STATUS, without forking.
-as_fn_set_status ()
-{
-  return $1
-} # as_fn_set_status
-
-# as_fn_exit STATUS
-# -----------------
-# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
-as_fn_exit ()
-{
-  set +e
-  as_fn_set_status $1
-  exit $1
-} # as_fn_exit
-if expr a : '\(a\)' >/dev/null 2>&1 &&
-   test "X`expr 00001 : '.*\(...\)'`" = X001; then
-  as_expr=expr
-else
-  as_expr=false
-fi
-
-if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
-  as_basename=basename
-else
-  as_basename=false
-fi
-
-as_me=`$as_basename -- "$0" ||
-$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
-	 X"$0" : 'X\(//\)$' \| \
-	 X"$0" : 'X\(/\)' \| . 2>/dev/null ||
-$as_echo X/"$0" |
-    sed '/^.*\/\([^/][^/]*\)\/*$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\/\)$/{
-	    s//\1/
-	    q
-	  }
-	  /^X\/\(\/\).*/{
-	    s//\1/
-	    q
-	  }
-	  s/.*/./; q'`
-
-
-  as_lineno_1=$LINENO as_lineno_1a=$LINENO
-  as_lineno_2=$LINENO as_lineno_2a=$LINENO
-  eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
-  test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
-  # Blame Lee E. McMahon (1931-1989) for sed's syntax.  :-)
-  sed -n '
-    p
-    /[$]LINENO/=
-  ' <$as_myself |
-    sed '
-      s/[$]LINENO.*/&-/
-      t lineno
-      b
-      :lineno
-      N
-      :loop
-      s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
-      t loop
-      s/-\n.*//
-    ' >$as_me.lineno &&
-  chmod +x "$as_me.lineno" ||
-    { $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
-
-  # If we had to re-execute with $CONFIG_SHELL, we're ensured to have
-  # already done that, so ensure we don't try to do so again and fall
-  # in an infinite loop.  This has already happened in practice.
-  _as_can_reexec=no; export _as_can_reexec
-  # Don't try to exec as it changes $[0], causing all sort of problems
-  # (the dirname of $[0] is not the place where we might find the
-  # original and so on.  Autoconf is especially sensitive to this).
-  . "./$as_me.lineno"
-  # Exit status is that of the last command.
-  exit
-}
-
 # This file is generated from configure.in by Autoconf.  DO NOT EDIT!
  # Local configure fragment for sysdeps/ia64.
 
diff --git a/libc/ports/sysdeps/mips/dl-trampoline.c b/libc/ports/sysdeps/mips/dl-trampoline.c
index 3454eb306..e4886cc9b 100644
--- a/libc/ports/sysdeps/mips/dl-trampoline.c
+++ b/libc/ports/sysdeps/mips/dl-trampoline.c
@@ -112,8 +112,6 @@ elf_machine_runtime_link_map (ElfW(Addr) gpreg, ElfW(Addr) stub_pc)
    generated by the gnu linker. */
 int _dl_mips_gnu_objects = 1;
 
-#define VERSYMIDX(sym)  (DT_NUM + DT_THISPROCNUM + DT_VERSIONTAGIDX (sym))
-
 /* This is called from assembly stubs below which the compiler can't see.  */
 static ElfW(Addr)
 __dl_runtime_resolve (ElfW(Word), ElfW(Word), ElfW(Addr), ElfW(Addr))
diff --git a/libc/ports/sysdeps/mips/ieee754.h b/libc/ports/sysdeps/mips/ieee754/ieee754.h
index 87dbf658e..87dbf658e 100644
--- a/libc/ports/sysdeps/mips/ieee754.h
+++ b/libc/ports/sysdeps/mips/ieee754/ieee754.h
diff --git a/libc/ports/sysdeps/mips/init-first.c b/libc/ports/sysdeps/mips/init-first.c
deleted file mode 100644
index 6a5e7caf0..000000000
--- a/libc/ports/sysdeps/mips/init-first.c
+++ /dev/null
@@ -1,65 +0,0 @@
-/* Initialization code run first thing by the ELF startup code.  For mips/Unix.
-   Copyright (C) 1996, 1997, 2010 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 <unistd.h>
-
-extern void __libc_init (int, char **, char **);
-extern void __libc_global_ctors (void);
-
-
-static void
-init (int *data)
-{
-  int argc = *data;
-  char **argv = (void *) (data + 1);
-  char **envp = &argv[argc + 1];
-
-  __environ = envp;
-  __libc_init (argc, argv, envp);
-}
-
-#ifdef SHARED
-/* This function is called to initialize the shared C library.
-   It is called just before the user _start code from mips/elf/start.S,
-   with the stack set up as that code gets it.  */
-
-/* NOTE!  The linker notices the magical name `_init' and sets the DT_INIT
-   pointer in the dynamic section based solely on that.  It is convention
-   for this function to be in the `.init' section, but the symbol name is
-   the only thing that really matters!!  */
-/*void _init (int argc, ...) __attribute__ ((unused, section (".init")));*/
-
-void
-_init (int argc, ...)
-{
-  init (&argc);
-
-#ifndef NO_CTORS_DTORS_SECTIONS
-  __libc_global_ctors ();
-#endif
-}
-#endif
-
-
-void
-__libc_init_first (int argc __attribute__ ((unused)), ...)
-{
-#ifndef SHARED
-  init (&argc);
-#endif
-}
diff --git a/libc/ports/sysdeps/mips/mips32/Implies b/libc/ports/sysdeps/mips/mips32/Implies
index fab98d731..6473f2517 100644
--- a/libc/ports/sysdeps/mips/mips32/Implies
+++ b/libc/ports/sysdeps/mips/mips32/Implies
@@ -1,2 +1,3 @@
+mips/ieee754
 mips
 wordsize-32
diff --git a/libc/ports/sysdeps/mips/mips64/Implies b/libc/ports/sysdeps/mips/mips64/Implies
index 8c18cb303..826ff1541 100644
--- a/libc/ports/sysdeps/mips/mips64/Implies
+++ b/libc/ports/sysdeps/mips/mips64/Implies
@@ -1,3 +1,4 @@
 # MIPS uses IEEE 754 floating point.
+mips/ieee754
 ieee754/flt-32
 ieee754/dbl-64
diff --git a/libc/ports/sysdeps/mips/mips64/n32/Implies b/libc/ports/sysdeps/mips/mips64/n32/Implies
index bed8f14c3..9ab2f3261 100644
--- a/libc/ports/sysdeps/mips/mips64/n32/Implies
+++ b/libc/ports/sysdeps/mips/mips64/n32/Implies
@@ -1,3 +1,4 @@
+mips/ieee754
 ieee754/ldbl-128
 mips/mips64/soft-fp
 mips/mips64
diff --git a/libc/ports/sysdeps/mips/mips64/n64/Implies b/libc/ports/sysdeps/mips/mips64/n64/Implies
index 214b85c77..de23ed1c3 100644
--- a/libc/ports/sysdeps/mips/mips64/n64/Implies
+++ b/libc/ports/sysdeps/mips/mips64/n64/Implies
@@ -1,3 +1,4 @@
+mips/ieee754
 ieee754/ldbl-128
 mips/mips64/soft-fp
 mips/mips64
diff --git a/libc/ports/sysdeps/unix/alpha/sysdep.h b/libc/ports/sysdeps/unix/alpha/sysdep.h
index 4ee0746ac..75c06c9cf 100644
--- a/libc/ports/sysdeps/unix/alpha/sysdep.h
+++ b/libc/ports/sysdeps/unix/alpha/sysdep.h
@@ -52,13 +52,20 @@
 #define END(sym)	.end sym
 
 #ifdef PROF
+# define PSEUDO_PROF				\
+	.set noat;				\
+	lda	AT, _mcount;			\
+	jsr	AT, (AT), _mcount;		\
+	.set at
+#else
+# define PSEUDO_PROF
+#endif
+
+#ifdef PROF
 # define PSEUDO_PROLOGUE			\
 	.frame sp, 0, ra;			\
 	ldgp	gp,0(pv);			\
-	.set noat;				\
-	lda	AT,_mcount;			\
-	jsr	AT,(AT),_mcount;		\
-	.set at;				\
+	PSEUDO_PROF;				\
 	.prologue 1
 #elif defined PIC
 # define PSEUDO_PROLOGUE			\
@@ -80,16 +87,21 @@
 #if RTLD_PRIVATE_ERRNO
 # define SYSCALL_ERROR_LABEL	$syscall_error
 # define SYSCALL_ERROR_HANDLER			\
+$syscall_error:					\
 	stl	v0, rtld_errno(gp)	!gprel;	\
 	lda	v0, -1;				\
 	ret
+# define SYSCALL_ERROR_FALLTHRU
 #elif defined(PIC)
-# define SYSCALL_ERROR_LABEL	__syscall_error !samegp
+# define SYSCALL_ERROR_LABEL		__syscall_error !samegp
 # define SYSCALL_ERROR_HANDLER
+# define SYSCALL_ERROR_FALLTHRU		br SYSCALL_ERROR_LABEL
 #else
-# define SYSCALL_ERROR_LABEL	$syscall_error
-# define SYSCALL_ERROR_HANDLER \
-	jmp	$31, __syscall_error
+# define SYSCALL_ERROR_LABEL		$syscall_error
+# define SYSCALL_ERROR_HANDLER			\
+$syscall_error:					\
+	jmp $31, __syscall_error
+# define SYSCALL_ERROR_FALLTHRU
 #endif /* RTLD_PRIVATE_ERRNO */
 
 /* Overridden by specific syscalls.  */
@@ -108,14 +120,9 @@ __LABEL(name)					\
 	bne	a3, SYSCALL_ERROR_LABEL
 
 #undef PSEUDO_END
-#if defined(PIC) && !RTLD_PRIVATE_ERRNO
-# define PSEUDO_END(sym)  END(sym)
-#else
-# define PSEUDO_END(sym)			\
-$syscall_error:					\
+#define PSEUDO_END(sym)				\
 	SYSCALL_ERROR_HANDLER;			\
 	END(sym)
-#endif
 
 #define PSEUDO_NOERRNO(name, syscall_name, args)	\
 	.globl name;					\
diff --git a/libc/ports/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h b/libc/ports/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
index 31258e420..5ab9ac43a 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
+++ b/libc/ports/sysdeps/unix/sysv/linux/alpha/bits/typesizes.h
@@ -50,7 +50,6 @@
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__S64_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
-#define __SWBLK_T_TYPE		__SLONGWORD_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
 #define __TIMER_T_TYPE		void *
diff --git a/libc/ports/sysdeps/unix/sysv/linux/alpha/clone.S b/libc/ports/sysdeps/unix/sysv/linux/alpha/clone.S
index 1c6c8d6b7..b92b6c2e7 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/alpha/clone.S
+++ b/libc/ports/sysdeps/unix/sysv/linux/alpha/clone.S
@@ -35,89 +35,84 @@
    we don't bother checking FLAGS.  */
 
         .text
-ENTRY(__clone)
+	.align	4
+	.globl	__clone
+	.ent	__clone
+	.usepv	__clone, USEPV_PROF
+
+	cfi_startproc
+__clone:
 #ifdef PROF
 	ldgp	gp,0(pv)
-	.set noat
 	lda	AT, _mcount
 	jsr	AT, (AT), _mcount
-	.set at
-	.prologue 1
-#else
-	.prologue 0
 #endif
 
 	/* Sanity check arguments.  */
-	ldiq	v0,EINVAL
-	beq	a0,$error		/* no NULL function pointers */
-	beq	a1,$error		/* no NULL stack pointers */
+	ldiq	v0, EINVAL
+	beq	a0, SYSCALL_ERROR_LABEL	/* no NULL function pointers */
+	beq	a1, SYSCALL_ERROR_LABEL	/* no NULL stack pointers */
 
 	/* Save the fn ptr and arg on the new stack.  */
-	subq	a1,32,a1
-	stq	a0,0(a1)
-	stq	a3,8(a1)
+	subq	a1, 32, a1
+	stq	a0, 0(a1)
+	stq	a3, 8(a1)
 #ifdef RESET_PID
-	stq	a2,16(a1)
+	stq	a2, 16(a1)
 #endif
 
 	/* The syscall is of the form clone(flags, usp, ptid, ctid, tls).
 	   Shift the flags, ptid, ctid, tls arguments into place; the
 	   child_stack argument is already correct.  */
-	mov	a2,a0
-	mov	a4,a2
-	ldq	a3,0(sp)
-	mov	a5,a4
+	mov	a2, a0
+	mov	a4, a2
+	ldq	a3, 0(sp)
+	mov	a5, a4
 
 	/* Do the system call.  */
-	ldiq	v0,__NR_clone
+	ldiq	v0, __NR_clone
 	call_pal PAL_callsys
 
-	bne	a3,$error
-	beq	v0,thread_start
+	bne	a3, SYSCALL_ERROR_LABEL
+	beq	v0, thread_start
 
 	/* Successful return from the parent.  */
 	ret
 
-	/* Something bad happened -- no child created.  */
-$error:
-#ifndef PROF
-	br	gp,1f
-1:	ldgp	gp,0(gp)
-#endif
-	SYSCALL_ERROR_HANDLER
-
-	END(__clone)
+PSEUDO_END(__clone)
+	cfi_endproc
 
 /* Load up the arguments to the function.  Put this block of code in
    its own function so that we can terminate the stack trace with our
    debug info.  */
 
 	.ent thread_start
+	cfi_startproc
 thread_start:
-	.frame	fp,0,fp,0
 	mov	0, fp
-	.prologue 0
+	cfi_def_cfa_register(fp)
+	cfi_undefined(ra)
 
 #ifdef RESET_PID
 	/* Check and see if we need to reset the PID.  */
-	ldq	t0,16(sp)
-	lda	t1,CLONE_THREAD
-	and	t0,t1,t2
-	beq	t2,2f
+	ldq	t0, 16(sp)
+	lda	t1, CLONE_THREAD
+	and	t0, t1, t2
+	beq	t2, 2f
 1:
 #endif
 
 	/* Load up the arguments.  */
-	ldq	pv,0(sp)
-	ldq	a0,8(sp)
-	addq	sp,32,sp
+	ldq	pv, 0(sp)
+	ldq	a0, 8(sp)
+	addq	sp, 32, sp
 
 	/* Call the user's function.  */
-	jsr	ra,(pv)
-	ldgp	gp,0(ra)
+	jsr	ra, (pv)
+	ldgp	gp, 0(ra)
 
 	/* Call _exit rather than doing it inline for breakpoint purposes.  */
-	mov	v0,a0
+	mov	v0, a0
 #ifdef PIC
 	bsr	ra, HIDDEN_JUMPTARGET(_exit)	!samegp
 #else
@@ -142,7 +137,7 @@ thread_start:
 	stl	v0, TID_OFFSET(s0)
 	br	1b
 #endif
-
+	cfi_endproc
 	.end thread_start
 
 weak_alias (__clone, clone)
diff --git a/libc/ports/sysdeps/unix/sysv/linux/alpha/nptl/lowlevellock.h b/libc/ports/sysdeps/unix/sysv/linux/alpha/nptl/lowlevellock.h
index ac364dae1..0ef2e7fd3 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/alpha/nptl/lowlevellock.h
+++ b/libc/ports/sysdeps/unix/sysv/linux/alpha/nptl/lowlevellock.h
@@ -259,7 +259,7 @@ __lll_robust_timedlock (int *futex, const struct timespec *abstime,
 #define LLL_LOCK_INITIALIZER_LOCKED	(1)
 
 
-/* The kernel notifies a process which uses CLONE_CLEARTID via futex
+/* The kernel notifies a process which uses CLONE_CHILD_CLEARTID via futex
    wakeup when the clone terminates.  The memory location contains the
    thread ID while the clone is running and is reset to zero
    afterwards.	*/
diff --git a/libc/ports/sysdeps/unix/sysv/linux/alpha/nptl/sysdep-cancel.h b/libc/ports/sysdeps/unix/sysv/linux/alpha/nptl/sysdep-cancel.h
index 04c7af472..e6795d98f 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/alpha/nptl/sysdep-cancel.h
+++ b/libc/ports/sysdeps/unix/sysv/linux/alpha/nptl/sysdep-cancel.h
@@ -23,16 +23,6 @@
 
 #if !defined NOT_IN_libc || defined IS_IN_libpthread || defined IS_IN_librt
 
-# ifdef PROF
-#  define PSEUDO_PROF				\
-	.set noat;				\
-	lda	AT, _mcount;			\
-	jsr	AT, (AT), _mcount;		\
-	.set at
-# else
-#  define PSEUDO_PROF
-# endif
-
 /* ??? Assumes that nothing comes between PSEUDO and PSEUDO_END
    besides "ret".  */
 
@@ -88,7 +78,7 @@ __LABEL($multi_error)						\
 	addq	sp, 64, sp;					\
 	cfi_restore(ra);					\
 	cfi_def_cfa_offset(0);					\
-__LABEL($syscall_error)						\
+	SYSCALL_ERROR_FALLTHRU;					\
 	SYSCALL_ERROR_HANDLER;					\
 	cfi_endproc;						\
 	.previous
diff --git a/libc/ports/sysdeps/unix/sysv/linux/alpha/syscall.S b/libc/ports/sysdeps/unix/sysv/linux/alpha/syscall.S
index 830b10acb..5cec3800e 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/alpha/syscall.S
+++ b/libc/ports/sysdeps/unix/sysv/linux/alpha/syscall.S
@@ -62,16 +62,9 @@ LEAF(__syscall, 0)
 	ldq	a5,0(sp)	/* arg6 -> a5 */
 
 	call_pal PAL_callsys	/* Invoke system call */
-	bne	a3, $error
+	bne	a3, SYSCALL_ERROR_LABEL
 	ret
 
-$error:
-#ifndef PROF
-	br	gp, 2f
-2:	ldgp	gp, 0(gp)
-#endif
-	SYSCALL_ERROR_HANDLER
-
-END(__syscall)
+PSEUDO_END(__syscall)
 
 weak_alias (__syscall, syscall)
diff --git a/libc/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h b/libc/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h
index b9fa69ce3..5811361e3 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h
+++ b/libc/ports/sysdeps/unix/sysv/linux/arm/nptl/lowlevellock.h
@@ -256,7 +256,7 @@ extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *,
     1  -  taken by one user
    >1  -  taken by more users */
 
-/* The kernel notifies a process which uses CLONE_CLEARTID via futex
+/* The kernel notifies a process which uses CLONE_CHILD_CLEARTID via futex
    wakeup when the clone terminates.  The memory location contains the
    thread ID while the clone is running and is reset to zero
    afterwards.	*/
diff --git a/libc/ports/sysdeps/unix/sysv/linux/generic/bits/typesizes.h b/libc/ports/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
index d7d2a5c10..d5799d185 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
+++ b/libc/ports/sysdeps/unix/sysv/linux/generic/bits/typesizes.h
@@ -52,7 +52,6 @@
 #define __USECONDS_T_TYPE	__U32_TYPE
 #define __SUSECONDS_T_TYPE	__SLONGWORD_TYPE
 #define __DADDR_T_TYPE		__S32_TYPE
-#define __SWBLK_T_TYPE		__SLONGWORD_TYPE
 #define __KEY_T_TYPE		__S32_TYPE
 #define __CLOCKID_T_TYPE	__S32_TYPE
 #define __TIMER_T_TYPE		void *
diff --git a/libc/ports/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h b/libc/ports/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h
index 6d4b13517..ad601c683 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h
+++ b/libc/ports/sysdeps/unix/sysv/linux/hppa/nptl/lowlevellock.h
@@ -319,7 +319,7 @@ __lll_robust_timedlock (int *futex, const struct timespec *abstime,
 
 extern int lll_unlock_wake_cb (lll_lock_t *__futex) attribute_hidden;
 
-/* The kernel notifies a process which uses CLONE_CLEARTID via futex
+/* The kernel notifies a process which uses CLONE_CHILD_CLEARTID via futex
    wakeup when the clone terminates.  The memory location contains the
    thread ID while the clone is running and is reset to zero
    afterwards.	*/
diff --git a/libc/ports/sysdeps/unix/sysv/linux/ia64/nptl/lowlevellock.h b/libc/ports/sysdeps/unix/sysv/linux/ia64/nptl/lowlevellock.h
index 24ed47e22..e36ff2653 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/ia64/nptl/lowlevellock.h
+++ b/libc/ports/sysdeps/unix/sysv/linux/ia64/nptl/lowlevellock.h
@@ -267,7 +267,7 @@ extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *,
 #define LLL_LOCK_INITIALIZER		(0)
 #define LLL_LOCK_INITIALIZER_LOCKED	(1)
 
-/* The kernel notifies a process with uses CLONE_CLEARTID via futex
+/* The kernel notifies a process which uses CLONE_CHILD_CLEARTID via futex
    wakeup when the clone terminates.  The memory location contains the
    thread ID while the clone is running and is reset to zero
    afterwards.	*/
diff --git a/libc/ports/sysdeps/unix/sysv/linux/m68k/init-first.c b/libc/ports/sysdeps/unix/sysv/linux/m68k/init-first.c
index ec311ec42..713ab86b1 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/m68k/init-first.c
+++ b/libc/ports/sysdeps/unix/sysv/linux/m68k/init-first.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 2010 Free Software Foundation, Inc.
+/* Initialization code run first thing by the ELF startup code.  Linux/m68k.
+   Copyright (C) 2010-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010.
 
@@ -70,4 +71,4 @@ _libc_vdso_platform_setup (void)
 
 #endif /* SHARED */
 
-#include <sysdeps/unix/sysv/linux/init-first.c>
+#include <csu/init-first.c>
diff --git a/libc/ports/sysdeps/unix/sysv/linux/m68k/nptl/lowlevellock.h b/libc/ports/sysdeps/unix/sysv/linux/m68k/nptl/lowlevellock.h
index fed152ae3..4dbed8d37 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/m68k/nptl/lowlevellock.h
+++ b/libc/ports/sysdeps/unix/sysv/linux/m68k/nptl/lowlevellock.h
@@ -254,7 +254,7 @@ extern int __lll_robust_timedlock_wait (int *futex, const struct timespec *,
     1  -  taken by one user
    >1  -  taken by more users */
 
-/* The kernel notifies a process which uses CLONE_CLEARTID via futex
+/* The kernel notifies a process which uses CLONE_CHILD_CLEARTID via futex
    wakeup when the clone terminates.  The memory location contains the
    thread ID while the clone is running and is reset to zero
    afterwards.	*/
diff --git a/libc/ports/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h b/libc/ports/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h
index d368ae1b6..9c1701167 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h
+++ b/libc/ports/sysdeps/unix/sysv/linux/mips/nptl/lowlevellock.h
@@ -268,7 +268,7 @@ __lll_robust_timedlock (int *futex, const struct timespec *abstime,
     1  -  taken by one user
    >1  -  taken by more users */
 
-/* The kernel notifies a process which uses CLONE_CLEARTID via futex
+/* The kernel notifies a process which uses CLONE_CHILD_CLEARTID via futex
    wakeup when the clone terminates.  The memory location contains the
    thread ID while the clone is running and is reset to zero
    afterwards.	*/
diff --git a/libc/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libc.abilist b/libc/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libc.abilist
index 11ad6a525..481162e99 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libc.abilist
+++ b/libc/ports/sysdeps/unix/sysv/linux/powerpc/powerpc32/nofpu/nptl/libc.abilist
@@ -1775,6 +1775,7 @@ GLIBC_2.16
 GLIBC_2.17
  GLIBC_2.17 A
  secure_getenv F
+ __ppc_get_timebase_freq F
 GLIBC_2.2
  GLIBC_2.2 A
  _IO_adjust_wcolumn F
diff --git a/libc/ports/sysdeps/unix/sysv/linux/tile/nptl/lowlevellock.h b/libc/ports/sysdeps/unix/sysv/linux/tile/nptl/lowlevellock.h
index 8690c7be4..0e0d48ed0 100644
--- a/libc/ports/sysdeps/unix/sysv/linux/tile/nptl/lowlevellock.h
+++ b/libc/ports/sysdeps/unix/sysv/linux/tile/nptl/lowlevellock.h
@@ -255,7 +255,7 @@ __lll_robust_timedlock (int *futex, const struct timespec *abstime,
 #define LLL_LOCK_INITIALIZER_LOCKED	(1)
 
 
-/* The kernel notifies a process which uses CLONE_CLEARTID via futex
+/* The kernel notifies a process which uses CLONE_CHILD_CLEARTID via futex
    wakeup when the clone terminates.  The memory location contains the
    thread ID while the clone is running and is reset to zero
    afterwards.	*/