Update.cvs/libc-ud-970322

1997-03-23 02:11  Ulrich Drepper  <drepper@cygnus.com>

	* time/sys/time.h: Make values ITIMER_* also available as macros.

	* elf/dl-support.c (_dl_sysdep_read_whole_file): Don't call
	__fstat but instead __fxstat directly to avoid dependency on
	libc.a when inline failed.
	* sysdeps/generic/dl-sysdep.c (_dl_sysdep_read_whole_file): Likewise.

	* math/Makefile (libm-routines): Add s_remquo.
	* sysdeps/libm-i387/s_remquo.S: New file.
	* sysdeps/libm-i387/s_remquof.S: New file.
	* sysdeps/libm-i387/s_remquol.S: New file.
	* sysdeps/libm-ieee754/s_remquo.c: New file.
	* sysdeps/libm-ieee754/s_remquof.c: New file.
	* sysdeps/libm-ieee754/s_remquol.c: New file.

	* math/libm-test.c (remquo_test): New function.

	* sysdeps/libm-ieee754/s_rintl.c: Handle implicit leading one
	correctly.

1997-03-22 14:06  Ulrich Drepper  <drepper@cygnus.com>

	* math/Makefile (libm-calls): Add s_nan.
	* sysdeps/libm-ieee754/s_nan.c: New file.  Implement `nan' function.
	* sysdeps/libm-ieee754/s_nanf.c: New file.  Implement `nanf' function.
	* sysdeps/libm-ieee754/s_nanl.c: New file.  Implement `nanl' function.

	* math/libm-test.c (basic_tests): Add tests for `nan' function.

	* math/libm-test.c (copysign_test): New function.
	(main): Call copysign_test.

1997-03-22 06:28  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/libm-ieee754/s_nextafter.c: Return y if x == y.
	* sysdeps/libm-ieee754/s_nextafterf.c: Likewise.
	* sysdeps/libm-ieee754/s_nextafterl.c: Likewise.
	* sysdeps/libm-i387/s_nextafterl.c: Likewise.

	* math/libm-test.c (fdim_test, fmin_test, fmax_test, nextafter_test):
	New functions.  Test these functions.
	(main): Call above new functions.

1997-03-22 04:53  Ulrich Drepper  <drepper@cygnus.com>

	* Net release 2.0.2.

1997-03-22 04:37  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/unix/sysv/linux/termbits.h (OXTABS): Define as alias for
	XTABS.
	* sysdeps/unix/sysv/linux/alpha/termbits.h (OXTABS): Likewise.
	* termios/sys/ttydefaults.h: Partly revert patch by Andreas Schwab
	of Sun Dec 15 16:33:44 1996.
	Proposed by Thomas Bushnell <thomas@gnu.ai.mit.edu>.

1997-03-21 13:41  Roland McGrath  <roland@baalperazim.frob.com>

	* sysdeps/sparc/dl-machine.h (elf_machine_rel): Rewritten as for i386.
	Check here for non-SHN_UNDEF STB_LOCAL symbols don't do any lookup or
	consult their values.
	(elf_machine_lookup_noexec_p, elf_machine_lookup_noplt_p,
	ELF_MACHINE_RELOC_NOPLT): New macros.

	* elf/rtld.c (dl_main): Pass ELF_MACHINE_RELOC_NOPLT to
	_dl_lookup_symbol in place of DL_LOOKUP_NOPLT.
	* sysdeps/i386/dl-machine.h (ELF_MACHINE_RELOC_NOPLT): New macro.

	* sysdeps/i386/dl-machine.h (elf_machine_rel): Rewritten to do the
	symbol lookup before checking reloc type except for R_386_RELATIVE.
	(elf_machine_lookup_noexec_p, elf_machine_lookup_noplt_p): New macros.

	* elf/dl-reloc.c (RESOLVE): Remove STB_LOCAL check; let it be
	per-machine since it supposedly can't happen on i386.

	* elf/dl-lookup.c (do_lookup): Change arg FLAGS to RELOC_TYPE.  Use
	elf_machine_lookup_{noexec,noplt}_p macros on it.  Remove gratuitous
	indirection from REF arg; change callers.
	(_dl_lookup_symbol, _dl_lookup_versioned_symbol): Change arg name.
	(_dl_lookup_symbol_skip, _dl_lookup_versioned_symbol_skip): Remove
	FLAGS arg altogether.
	* elf/dlsym.c: Remove argument of FLAGS parameter.
	* elf/dlvsym.c: Likewise.
	* elf/link.h: Update decls.

	* Makefile (distribute): Add BUGS.

36 files changed, 1282 insertions, 228 deletions

diff --git a/BUGS b/BUGS
index 5b839a0d0a..174d7ccc7e 100644
--- a/BUGS
+++ b/BUGS
@@ -1,20 +1,27 @@
 	    List of known bugs (certainly very incomplete)
 	    ----------------------------------------------
 
-Time-stamp: <1997-03-20T02:33:37+0100 drepper>
+Time-stamp: <1997-03-22T04:31:41+0100 drepper>
 
 This following list contains those bugs which I'm aware of.  Please
-make sure that bugs you report are not listed here.  I you can fix one
-of these bugs I'll certainly be glad to receive a patch.
+make sure that bugs you report are not listed here.  If you can fix one
+of these bugs/limitations I'll certainly be glad to receive a patch.
 
-Severity: [  *] to [***]
+Another source of information about bugs is the problem data base of the
+GNU project.  There is an easy to use WWW interface is available at
+
+	http://pogo.gnu.ai.mit.edu:8080/cgi-bin/wwwgnats.pl
+
+I would appreciate it very much if you could verify the problem was not
+reported before by looking though the database.  To make the information
+in this data as useful as possible please report bugs always using the
+`glibcbug' shell script which gets installed with GNU libc.
 
 
-[***]  Profiling currently does not work with programs using NSS.
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Severity: [  *] to [***]
 
-[***]  At least on Linux/Alpha, there seem to be problems with dynamically
-       loading NSS modules in certain situations.
-       [PR libc/137]
 
 [ **]  For GNU libc on Linux, there is still no solution for the UTMP
        problem.
@@ -23,7 +30,7 @@ Severity: [  *] to [***]
 [ **]  There are problems with signal handling when using LinuxThreads.
 
 [ **]  The `cbrtl' function is inaccurate.  The algorithm used for `double'
-       and `float' is not usable.
+       and `float' is not usable for `long double'.
 
 [ **]  Not really a bug, but it could lead to such:
        The RPC code is ugly ugly ugly.  It's more or less verbatim taken
@@ -37,3 +44,19 @@ Severity: [  *] to [***]
 [  *]  The syslog function should print to the console if the LOG_CONS
        flag was given.
        [PR libc/72]
+
+[  *]  On Linux, the <linux/posix_types.h> is not clean enough to satisfy
+       the C++ namespace rules.  Declaring `struct fd_set' also makes
+       `fd_set' available in the global namespace which conflicts with
+       the definition of `fd_set' in glibc.
+       [PR libc/79]
+
+[  *]  On Linux, there should be a way to prevent defining the symbol
+       NGROUPS_MAX in the <linux/limits.h> header file.  In glibc it
+       is defined in <posix1_lim.h> which must not make the other
+       symbols in <linux/limits.h> available.
+       [PR libc/140]
+
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+Ulrich Drepper
+drepper@cygnus.com
diff --git a/ChangeLog b/ChangeLog
index 57b1588e66..ea83c11b61 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,94 @@
+1997-03-23 02:11  Ulrich Drepper  <drepper@cygnus.com>
+
+	* time/sys/time.h: Make values ITIMER_* also available as macros.
+
+	* elf/dl-support.c (_dl_sysdep_read_whole_file): Don't call
+	__fstat but instead __fxstat directly to avoid dependency on
+	libc.a when inline failed.
+	* sysdeps/generic/dl-sysdep.c (_dl_sysdep_read_whole_file): Likewise.
+
+	* math/Makefile (libm-routines): Add s_remquo.
+	* sysdeps/libm-i387/s_remquo.S: New file.
+	* sysdeps/libm-i387/s_remquof.S: New file.
+	* sysdeps/libm-i387/s_remquol.S: New file.
+	* sysdeps/libm-ieee754/s_remquo.c: New file.
+	* sysdeps/libm-ieee754/s_remquof.c: New file.
+	* sysdeps/libm-ieee754/s_remquol.c: New file.
+
+	* math/libm-test.c (remquo_test): New function.
+
+	* sysdeps/libm-ieee754/s_rintl.c: Handle implicit leading one
+	correctly.
+
+1997-03-22 14:06  Ulrich Drepper  <drepper@cygnus.com>
+
+	* math/Makefile (libm-calls): Add s_nan.
+	* sysdeps/libm-ieee754/s_nan.c: New file.  Implement `nan' function.
+	* sysdeps/libm-ieee754/s_nanf.c: New file.  Implement `nanf' function.
+	* sysdeps/libm-ieee754/s_nanl.c: New file.  Implement `nanl' function.
+
+	* math/libm-test.c (basic_tests): Add tests for `nan' function.
+
+	* math/libm-test.c (copysign_test): New function.
+	(main): Call copysign_test.
+
+1997-03-22 06:28  Ulrich Drepper  <drepper@cygnus.com>
+
+	* sysdeps/libm-ieee754/s_nextafter.c: Return y if x == y.
+	* sysdeps/libm-ieee754/s_nextafterf.c: Likewise.
+	* sysdeps/libm-ieee754/s_nextafterl.c: Likewise.
+	* sysdeps/libm-i387/s_nextafterl.c: Likewise.
+
+	* math/libm-test.c (fdim_test, fmin_test, fmax_test, nextafter_test):
+	New functions.  Test these functions.
+	(main): Call above new functions.
+
+1997-03-22 04:53  Ulrich Drepper  <drepper@cygnus.com>
+
+	* Net release 2.0.2.
+
+1997-03-22 04:37  Ulrich Drepper  <drepper@cygnus.com>
+
+	* sysdeps/unix/sysv/linux/termbits.h (OXTABS): Define as alias for
+	XTABS.
+	* sysdeps/unix/sysv/linux/alpha/termbits.h (OXTABS): Likewise.
+	* termios/sys/ttydefaults.h: Partly revert patch by Andreas Schwab
+	of Sun Dec 15 16:33:44 1996.
+	Proposed by Thomas Bushnell <thomas@gnu.ai.mit.edu>.
+
+1997-03-21 13:41  Roland McGrath  <roland@baalperazim.frob.com>
+
+	* sysdeps/sparc/dl-machine.h (elf_machine_rel): Rewritten as for i386.
+	Check here for non-SHN_UNDEF STB_LOCAL symbols don't do any lookup or
+	consult their values.
+	(elf_machine_lookup_noexec_p, elf_machine_lookup_noplt_p,
+	ELF_MACHINE_RELOC_NOPLT): New macros.
+
+	* elf/rtld.c (dl_main): Pass ELF_MACHINE_RELOC_NOPLT to
+	_dl_lookup_symbol in place of DL_LOOKUP_NOPLT.
+	* sysdeps/i386/dl-machine.h (ELF_MACHINE_RELOC_NOPLT): New macro.
+
+	* sysdeps/i386/dl-machine.h (elf_machine_rel): Rewritten to do the
+	symbol lookup before checking reloc type except for R_386_RELATIVE.
+	(elf_machine_lookup_noexec_p, elf_machine_lookup_noplt_p): New macros.
+
+	* elf/dl-reloc.c (RESOLVE): Remove STB_LOCAL check; let it be
+	per-machine since it supposedly can't happen on i386.
+
+	* elf/dl-lookup.c (do_lookup): Change arg FLAGS to RELOC_TYPE.  Use
+	elf_machine_lookup_{noexec,noplt}_p macros on it.  Remove gratuitous
+	indirection from REF arg; change callers.
+	(_dl_lookup_symbol, _dl_lookup_versioned_symbol): Change arg name.
+	(_dl_lookup_symbol_skip, _dl_lookup_versioned_symbol_skip): Remove
+	FLAGS arg altogether.
+	* elf/dlsym.c: Remove argument of FLAGS parameter.
+	* elf/dlvsym.c: Likewise.
+	* elf/link.h: Update decls.
+
 1997-03-21 20:55  Ulrich Drepper  <drepper@cygnus.com>
 
+	* Makefile (distribute): Add BUGS.
+
 	* sysdeps/generic/machine-gmon.h: Update copyright.
 
 	* sysdeps/i386/Makefile [$(subdir)=gmon] (sysdep_routines): Add
diff --git a/Makefile b/Makefile
index cf97c3019d..0dae836e69 100644
--- a/Makefile
+++ b/Makefile
@@ -290,7 +290,7 @@ $(objpfx)isomac: isomac.c
 
 # Make the distribution tarfile.
 
-distribute  := README INSTALL FAQ NOTES NEWS PROJECTS			\
+distribute  := README INSTALL FAQ NOTES NEWS PROJECTS BUGS		\
 	       COPYING.LIB COPYING ChangeLog ChangeLog.[0-9]		\
 	       Makefile Makeconfig Makerules Rules Make-dist MakeTAGS	\
 	       extra-lib.mk o-iterator.mk isomac.c			\
diff --git a/elf/dl-lookup.c b/elf/dl-lookup.c
index 8702a85bbb..f85aa373c2 100644
--- a/elf/dl-lookup.c
+++ b/elf/dl-lookup.c
@@ -22,7 +22,8 @@
 #include <assert.h>
 #include <string.h>
 
-#include <dl-hash.h>
+#include "dl-hash.h"
+#include <dl-machine.h>
 #include "../stdio-common/_itoa.h"
 
 #define VERSTAG(tag)	(DT_NUM + DT_PROCNUM + DT_VERSIONTAGIDX (tag))
@@ -57,10 +58,10 @@ struct sym_val
    something bad happened.  */
 static inline int
 do_lookup (const char *undef_name, unsigned long int hash,
-	   const ElfW(Sym) **ref, struct sym_val *result,
+	   const ElfW(Sym) *ref, struct sym_val *result,
 	   struct link_map *list[], size_t i, size_t n,
 	   const char *reference_name, const struct r_found_version *version,
-	   struct link_map *skip, int flags)
+	   struct link_map *skip, int reloc_type)
 {
   struct link_map *map;
 
@@ -78,7 +79,8 @@ do_lookup (const char *undef_name, unsigned long int hash,
 	continue;
 
       /* Don't search the executable when resolving a copy reloc.  */
-      if (flags & DL_LOOKUP_NOEXEC && map->l_type == lt_executable)
+      if (elf_machine_lookup_noexec_p (reloc_type) &&
+	  map->l_type == lt_executable)
 	continue;
 
       symtab = ((void *) map->l_addr + map->l_info[DT_SYMTAB]->d_un.d_ptr);
@@ -98,7 +100,7 @@ do_lookup (const char *undef_name, unsigned long int hash,
 	  const ElfW(Sym) *sym = &symtab[symidx];
 
 	  if (sym->st_value == 0 || /* No value.  */
-	      ((flags & DL_LOOKUP_NOPLT) != 0 /* Reject PLT entry.  */
+	      (elf_machine_lookup_noplt_p (reloc_type) /* Reject PLT entry.  */
 	       && sym->st_shndx == SHN_UNDEF))
 	    continue;
 
@@ -113,7 +115,7 @@ do_lookup (const char *undef_name, unsigned long int hash,
 	      continue;
 	    }
 
-	  if (sym != *ref && strcmp (strtab + sym->st_name, undef_name))
+	  if (sym != ref && strcmp (strtab + sym->st_name, undef_name))
 	    /* Not the symbol we are looking for.  */
 	    continue;
 
@@ -188,16 +190,13 @@ do_lookup (const char *undef_name, unsigned long int hash,
 }
 
 /* Search loaded objects' symbol tables for a definition of the symbol
-   UNDEF_NAME.  FLAGS is a set of flags.  If DL_LOOKUP_NOEXEC is set,
-   then don't search the executable for a definition; this used for
-   copy relocs.  If DL_LOOKUP_NOPLT is set, then a PLT entry cannot
-   satisfy the reference; some different binding must be found.  */
+   UNDEF_NAME.  */
 
 ElfW(Addr)
 _dl_lookup_symbol (const char *undef_name, const ElfW(Sym) **ref,
 		   struct link_map *symbol_scope[],
 		   const char *reference_name,
-		   int flags)
+		   int reloc_type)
 {
   const unsigned long int hash = _dl_elf_hash (undef_name);
   struct sym_val current_value = { 0, NULL };
@@ -205,9 +204,9 @@ _dl_lookup_symbol (const char *undef_name, const ElfW(Sym) **ref,
 
   /* Search the relevant loaded objects for a definition.  */
   for (scope = symbol_scope; *scope; ++scope)
-    if (do_lookup (undef_name, hash, ref, &current_value,
+    if (do_lookup (undef_name, hash, *ref, &current_value,
 		   (*scope)->l_searchlist, 0, (*scope)->l_nsearchlist,
-		   reference_name, NULL, NULL, flags))
+		   reference_name, NULL, NULL, reloc_type))
       break;
 
   if (current_value.s == NULL &&
@@ -230,8 +229,7 @@ ElfW(Addr)
 _dl_lookup_symbol_skip (const char *undef_name, const ElfW(Sym) **ref,
 			struct link_map *symbol_scope[],
 			const char *reference_name,
-			struct link_map *skip_map,
-			int flags)
+			struct link_map *skip_map)
 {
   const unsigned long int hash = _dl_elf_hash (undef_name);
   struct sym_val current_value = { 0, NULL };
@@ -243,13 +241,13 @@ _dl_lookup_symbol_skip (const char *undef_name, const ElfW(Sym) **ref,
   for (i = 0; (*scope)->l_dupsearchlist[i] != skip_map; ++i)
     assert (i < (*scope)->l_ndupsearchlist);
 
-  if (! do_lookup (undef_name, hash, ref, &current_value,
+  if (! do_lookup (undef_name, hash, *ref, &current_value,
 		   (*scope)->l_dupsearchlist, i, (*scope)->l_ndupsearchlist,
-		   reference_name, NULL, skip_map, flags))
+		   reference_name, NULL, skip_map, 0))
     while (*++scope)
-      if (do_lookup (undef_name, hash, ref, &current_value,
+      if (do_lookup (undef_name, hash, *ref, &current_value,
 		     (*scope)->l_dupsearchlist, 0, (*scope)->l_ndupsearchlist,
-		     reference_name, NULL, skip_map, flags))
+		     reference_name, NULL, skip_map, 0))
 	break;
 
   *ref = current_value.s;
@@ -266,7 +264,8 @@ ElfW(Addr)
 _dl_lookup_versioned_symbol (const char *undef_name, const ElfW(Sym) **ref,
 			     struct link_map *symbol_scope[],
 			     const char *reference_name,
-			     const struct r_found_version *version, int flags)
+			     const struct r_found_version *version,
+			     int reloc_type)
 {
   const unsigned long int hash = _dl_elf_hash (undef_name);
   struct sym_val current_value = { 0, NULL };
@@ -275,9 +274,9 @@ _dl_lookup_versioned_symbol (const char *undef_name, const ElfW(Sym) **ref,
   /* Search the relevant loaded objects for a definition.  */
   for (scope = symbol_scope; *scope; ++scope)
     {
-      int res = do_lookup (undef_name, hash, ref, &current_value,
+      int res = do_lookup (undef_name, hash, *ref, &current_value,
 			   (*scope)->l_searchlist, 0, (*scope)->l_nsearchlist,
-			   reference_name, version, NULL, flags);
+			   reference_name, version, NULL, reloc_type);
       if (res > 0)
 	break;
 
@@ -312,8 +311,7 @@ _dl_lookup_versioned_symbol_skip (const char *undef_name,
 				  struct link_map *symbol_scope[],
 				  const char *reference_name,
 				  const struct r_found_version *version,
-				  struct link_map *skip_map,
-				  int flags)
+				  struct link_map *skip_map)
 {
   const unsigned long int hash = _dl_elf_hash (undef_name);
   struct sym_val current_value = { 0, NULL };
@@ -325,13 +323,13 @@ _dl_lookup_versioned_symbol_skip (const char *undef_name,
   for (i = 0; (*scope)->l_dupsearchlist[i] != skip_map; ++i)
     assert (i < (*scope)->l_ndupsearchlist);
 
-  if (! do_lookup (undef_name, hash, ref, &current_value,
+  if (! do_lookup (undef_name, hash, *ref, &current_value,
 		   (*scope)->l_dupsearchlist, i, (*scope)->l_ndupsearchlist,
-		   reference_name, version, skip_map, flags))
+		   reference_name, version, skip_map, 0))
     while (*++scope)
-      if (do_lookup (undef_name, hash, ref, &current_value,
+      if (do_lookup (undef_name, hash, *ref, &current_value,
 		     (*scope)->l_dupsearchlist, 0, (*scope)->l_ndupsearchlist,
-		     reference_name, version, skip_map, flags))
+		     reference_name, version, skip_map, 0))
 	break;
 
   *ref = current_value.s;
diff --git a/elf/dl-reloc.c b/elf/dl-reloc.c
index d2122a8bdf..f1c43ea174 100644
--- a/elf/dl-reloc.c
+++ b/elf/dl-reloc.c
@@ -58,10 +58,7 @@ _dl_relocate_object (struct link_map *l, struct link_map *scope[], int lazy)
 
     /* This macro is used as a callback from the ELF_DYNAMIC_RELOCATE code.  */
 #define RESOLVE(ref, version, flags) \
-    ((*ref)->st_shndx != SHN_UNDEF &&					      \
-     ELFW(ST_BIND) ((*ref)->st_info) == STB_LOCAL	      		      \
-     ? l->l_addr :			      				      \
-     (version) != NULL && (version)->hash != 0				      \
+    ((version) != NULL && (version)->hash != 0				      \
      ? _dl_lookup_versioned_symbol (strtab + (*ref)->st_name, (ref), scope,   \
 				    l->l_name, (version), (flags))	      \
      : _dl_lookup_symbol (strtab + (*ref)->st_name, (ref), scope,	      \
diff --git a/elf/dl-support.c b/elf/dl-support.c
index 593f96749b..5c70b4f263 100644
--- a/elf/dl-support.c
+++ b/elf/dl-support.c
@@ -1,5 +1,5 @@
 /* Support for dynamic linking code in static libc.
-   Copyright (C) 1996 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997 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
@@ -62,7 +62,7 @@ _dl_sysdep_read_whole_file (const char *file, size_t *sizep, int prot)
   int fd = __open (file, O_RDONLY);
   if (fd < 0)
     return NULL;
-  if (__fstat (fd, &st) < 0)
+  if (__fxstat (_STAT_VER, fd, &st) < 0)
     result = NULL;
   else
     {
diff --git a/elf/dlsym.c b/elf/dlsym.c
index 73f6e86475..d05619bfb4 100644
--- a/elf/dlsym.c
+++ b/elf/dlsym.c
@@ -53,8 +53,7 @@ RTLD_NEXT used in code not dynamically loaded"));
 	  while (l->l_loader)
 	    l = l->l_loader;
 
-	  loadbase = _dl_lookup_symbol_skip
-	    (name, &ref, &_dl_loaded, NULL, l, 0);
+	  loadbase = _dl_lookup_symbol_skip (name, &ref, &_dl_loaded, NULL, l);
 	}
       else
 	{
diff --git a/elf/dlvsym.c b/elf/dlvsym.c
index 922a6eed1f..b3d4c1aeee 100644
--- a/elf/dlvsym.c
+++ b/elf/dlvsym.c
@@ -57,7 +57,7 @@ RTLD_NEXT used in code not dynamically loaded"));
 	    l = l->l_loader;
 
 	  loadbase = _dl_lookup_versioned_symbol_skip
-	    (name, &ref, &_dl_loaded, NULL, &version, l, 0);
+	    (name, &ref, &_dl_loaded, NULL, &version, l);
 	}
       else
 	{
diff --git a/elf/link.h b/elf/link.h
index 62bf74c23b..3934aed8e2 100644
--- a/elf/link.h
+++ b/elf/link.h
@@ -290,18 +290,15 @@ extern void _dl_close (struct link_map *map);
    null-terminated list of object scopes to search; each object's
    l_searchlist (i.e. the segment of the dependency tree starting at that
    object) is searched in turn.  REFERENCE_NAME should name the object
-   containing the reference; it is used in error messages.  FLAGS is a
-   set of flags:  */
-#define DL_LOOKUP_NOEXEC 1	/* Don't search the executable for a
-				   definition; this is used for copy
-				   relocs. */
-#define DL_LOOKUP_NOPLT 2	/* The reference must not be resolved
-				   to a PLT entry.  */
+   containing the reference; it is used in error messages.
+   RELOC_TYPE is a machine-dependent reloc type, which is passed to
+   the `elf_machine_lookup_*_p' macros in dl-machine.h to affect which
+   symbols can be chosen.  */
 extern ElfW(Addr) _dl_lookup_symbol (const char *undef,
 				     const ElfW(Sym) **sym,
 				     struct link_map *symbol_scope[],
 				     const char *reference_name,
-				     int flags);
+				     int reloc_type);
 
 /* Lookup versioned symbol.  */
 extern ElfW(Addr) _dl_lookup_versioned_symbol (const char *undef,
@@ -309,15 +306,14 @@ extern ElfW(Addr) _dl_lookup_versioned_symbol (const char *undef,
 					       struct link_map *symbol_scope[],
 					       const char *reference_name,
 					       const struct r_found_version *version,
-					       int flags);
+					       int reloc_type);
 
 /* For handling RTLD_NEXT we must be able to skip shared objects.  */
 extern ElfW(Addr) _dl_lookup_symbol_skip (const char *undef,
 					  const ElfW(Sym) **sym,
 					  struct link_map *symbol_scope[],
 					  const char *reference_name,
-					  struct link_map *skip_this,
-					  int flags);
+					  struct link_map *skip_this);
 
 /* For handling RTLD_NEXT with versioned symbols we must be able to
    skip shared objects.  */
@@ -326,8 +322,7 @@ extern ElfW(Addr) _dl_lookup_versioned_symbol_skip (const char *undef,
 						    struct link_map *symbol_scope[],
 						    const char *reference_name,
 						    const struct r_found_version *version,
-						    struct link_map *skip_this,
-						    int flags);
+						    struct link_map *skip_this);
 
 /* Look up symbol NAME in MAP's scope and return its run-time address.  */
 extern ElfW(Addr) _dl_symbol_value (struct link_map *map, const char *name);
diff --git a/elf/rtld.c b/elf/rtld.c
index 84ab37942b..295a6aed7d 100644
--- a/elf/rtld.c
+++ b/elf/rtld.c
@@ -518,7 +518,7 @@ of this helper program; chances are you did not intend to run this program.\n",
 	    ElfW(Addr) loadbase = _dl_lookup_symbol (_dl_argv[i], &ref,
 						     &_dl_default_scope[2],
 						     "argument",
-						     DL_LOOKUP_NOPLT);
+						     ELF_MACHINE_RELOC_NOPLT);
 	    char buf[20], *bp;
 	    buf[sizeof buf - 1] = '\0';
 	    bp = _itoa (ref->st_value, &buf[sizeof buf - 1], 16, 0);
diff --git a/math/Makefile b/math/Makefile
index 5b1f090b5f..31b3684997 100644
--- a/math/Makefile
+++ b/math/Makefile
@@ -47,7 +47,8 @@ libm-calls = e_acos e_acosh e_asin e_atan2 e_atanh e_cosh e_exp e_fmod	\
 	     w_atan2 w_atanh w_cosh w_drem w_exp w_fmod w_gamma		\
 	     w_gamma_r w_hypot w_j0 w_j1 w_jn w_lgamma w_lgamma_r	\
 	     w_log w_log10 w_pow w_remainder w_scalb w_sinh w_sqrt	\
-	     s_signbit s_fpclassify s_fmax s_fmin s_fdim		\
+	     s_signbit s_fpclassify s_fmax s_fmin s_fdim s_nan s_trunc	\
+	     s_remquo							\
 	     conj cimag creal cabs
 libm-routines = $(libm-support) $(libm-calls) \
 		$(patsubst %_rf,%f_r,$(libm-calls:=f))	\
diff --git a/math/libm-test.c b/math/libm-test.c
index a0482df758..8995f85475 100644
--- a/math/libm-test.c
+++ b/math/libm-test.c
@@ -102,10 +102,10 @@ static MATHTYPE plus_infty, minus_infty, nan_value;
 typedef MATHTYPE (*mathfunc) (MATHTYPE);
 
 
-#define ISINF(x)                                \
-(sizeof (x) == sizeof (float) ?                 \
- isinff (x)                                   \
- : sizeof (x) == sizeof (double) ?              \
+#define ISINF(x) \
+(sizeof (x) == sizeof (float) ?						      \
+ isinff (x)								      \
+ : sizeof (x) == sizeof (double) ?					      \
  isinf (x) : isinfl (x))
 
 
@@ -1223,6 +1223,222 @@ pow_test (void)
 
 
 static void
+fdim_test (void)
+{
+  check ("fdim (+0, +0) = +0", FUNC(fdim) (0, 0), 0);
+  check ("fdim (9, 0) = 9", FUNC(fdim) (9, 0), 9);
+  check ("fdim (0, 9) = 0", FUNC(fdim) (0, 9), 0);
+  check ("fdim (-9, 0) = 9", FUNC(fdim) (-9, 0), 0);
+  check ("fdim (0, -9) = 9", FUNC(fdim) (0, -9), 9);
+
+  check_isinfp ("fdim (+inf, 9) = +inf", FUNC(fdim) (plus_infty, 9));
+  check_isinfp ("fdim (+inf, -9) = +inf", FUNC(fdim) (plus_infty, -9));
+  check ("fdim (-inf, 9) = 0", FUNC(fdim) (minus_infty, 9), 0);
+  check ("fdim (-inf, -9) = 0", FUNC(fdim) (minus_infty, -9), 0);
+  check_isinfp ("fdim (+9, -inf) = +inf", FUNC(fdim) (9, minus_infty));
+  check_isinfp ("fdim (-9, -inf) = +inf", FUNC(fdim) (-9, minus_infty));
+  check ("fdim (9, inf) = 0", FUNC(fdim) (9, plus_infty), 0);
+  check ("fdim (-9, inf) = 0", FUNC(fdim) (-9, plus_infty), 0);
+
+  check_isnan ("fdim (0, NaN) = NaN", FUNC(fdim) (0, nan_value));
+  check_isnan ("fdim (9, NaN) = NaN", FUNC(fdim) (9, nan_value));
+  check_isnan ("fdim (-9, NaN) = NaN", FUNC(fdim) (-9, nan_value));
+  check_isnan ("fdim (NaN, 9) = NaN", FUNC(fdim) (nan_value, 9));
+  check_isnan ("fdim (NaN, -9) = NaN", FUNC(fdim) (nan_value, -9));
+  check_isnan ("fdim (+inf, NaN) = NaN", FUNC(fdim) (plus_infty, nan_value));
+  check_isnan ("fdim (-inf, NaN) = NaN", FUNC(fdim) (minus_infty, nan_value));
+  check_isnan ("fdim (NaN, +inf) = NaN", FUNC(fdim) (nan_value, plus_infty));
+  check_isnan ("fdim (NaN, -inf) = NaN", FUNC(fdim) (nan_value, minus_infty));
+  check_isnan ("fdim (NaN, NaN) = NaN", FUNC(fdim) (nan_value, nan_value));
+}
+
+
+static void
+fmin_test (void)
+{
+  check ("fmin (+0, +0) = +0", FUNC(fmin) (0, 0), 0);
+  check ("fmin (9, 0) = 0", FUNC(fmin) (9, 0), 0);
+  check ("fmin (0, 9) = 0", FUNC(fmin) (0, 9), 0);
+  check ("fmin (-9, 0) = -9", FUNC(fmin) (-9, 0), -9);
+  check ("fmin (0, -9) = -9", FUNC(fmin) (0, -9), -9);
+
+  check ("fmin (+inf, 9) = 9", FUNC(fmin) (plus_infty, 9), 9);
+  check ("fmin (9, +inf) = 9", FUNC(fmin) (9, plus_infty), 9);
+  check ("fmin (+inf, -9) = -9", FUNC(fmin) (plus_infty, -9), -9);
+  check ("fmin (-9, +inf) = -9", FUNC(fmin) (-9, plus_infty), -9);
+  check_isinfn ("fmin (-inf, 9) = -inf", FUNC(fmin) (minus_infty, 9));
+  check_isinfn ("fmin (-inf, -9) = -inf", FUNC(fmin) (minus_infty, -9));
+  check_isinfn ("fmin (+9, -inf) = -inf", FUNC(fmin) (9, minus_infty));
+  check_isinfn ("fmin (-9, -inf) = -inf", FUNC(fmin) (-9, minus_infty));
+
+  check ("fmin (0, NaN) = 0", FUNC(fmin) (0, nan_value), 0);
+  check ("fmin (9, NaN) = 9", FUNC(fmin) (9, nan_value), 9);
+  check ("fmin (-9, NaN) = 9", FUNC(fmin) (-9, nan_value), -9);
+  check ("fmin (NaN, 0) = 0", FUNC(fmin) (nan_value, 0), 0);
+  check ("fmin (NaN, 9) = NaN", FUNC(fmin) (nan_value, 9), 9);
+  check ("fmin (NaN, -9) = NaN", FUNC(fmin) (nan_value, -9), -9);
+  check_isinfp ("fmin (+inf, NaN) = +inf", FUNC(fmin) (plus_infty, nan_value));
+  check_isinfn ("fmin (-inf, NaN) = -inf", FUNC(fmin) (minus_infty, nan_value));
+  check_isinfp ("fmin (NaN, +inf) = +inf", FUNC(fmin) (nan_value, plus_infty));
+  check_isinfn ("fmin (NaN, -inf) = -inf", FUNC(fmin) (nan_value, minus_infty));
+  check_isnan ("fmin (NaN, NaN) = NaN", FUNC(fmin) (nan_value, nan_value));
+}
+
+
+static void
+fmax_test (void)
+{
+  check ("fmax (+0, +0) = +0", FUNC(fmax) (0, 0), 0);
+  check ("fmax (9, 0) = 9", FUNC(fmax) (9, 0), 9);
+  check ("fmax (0, 9) = 9", FUNC(fmax) (0, 9), 9);
+  check ("fmax (-9, 0) = 0", FUNC(fmax) (-9, 0), 0);
+  check ("fmax (0, -9) = 0", FUNC(fmax) (0, -9), 0);
+
+  check_isinfp ("fmax (+inf, 9) = +inf", FUNC(fmax) (plus_infty, 9));
+  check_isinfp ("fmax (9, +inf) = +inf", FUNC(fmax) (0, plus_infty));
+  check_isinfp ("fmax (-9, +inf) = +inf", FUNC(fmax) (-9, plus_infty));
+  check_isinfp ("fmax (+inf, -9) = +inf", FUNC(fmax) (plus_infty, -9));
+  check ("fmax (-inf, 9) = 9", FUNC(fmax) (minus_infty, 9), 9);
+  check ("fmax (-inf, -9) = -9", FUNC(fmax) (minus_infty, -9), -9);
+  check ("fmax (+9, -inf) = 9", FUNC(fmax) (9, minus_infty), 9);
+  check ("fmax (-9, -inf) = -9", FUNC(fmax) (-9, minus_infty), -9);
+
+  check ("fmax (0, NaN) = 0", FUNC(fmax) (0, nan_value), 0);
+  check ("fmax (9, NaN) = 9", FUNC(fmax) (9, nan_value), 9);
+  check ("fmax (-9, NaN) = 9", FUNC(fmax) (-9, nan_value), -9);
+  check ("fmax (NaN, 0) = 0", FUNC(fmax) (nan_value, 0), 0);
+  check ("fmax (NaN, 9) = NaN", FUNC(fmax) (nan_value, 9), 9);
+  check ("fmax (NaN, -9) = NaN", FUNC(fmax) (nan_value, -9), -9);
+  check_isinfp ("fmax (+inf, NaN) = +inf", FUNC(fmax) (plus_infty, nan_value));
+  check_isinfn ("fmax (-inf, NaN) = -inf", FUNC(fmax) (minus_infty, nan_value));
+  check_isinfp ("fmax (NaN, +inf) = +inf", FUNC(fmax) (nan_value, plus_infty));
+  check_isinfn ("fmax (NaN, -inf) = -inf", FUNC(fmax) (nan_value, minus_infty));
+  check_isnan ("fmax (NaN, NaN) = NaN", FUNC(fmax) (nan_value, nan_value));
+}
+
+
+static void
+nextafter_test (void)
+{
+  MATHTYPE x;
+
+  check ("nextafter (+0, +0) = +0", FUNC(nextafter) (0, 0), 0);
+  check ("nextafter (-0, +0) = +0", FUNC(nextafter) (minus_zero, 0), 0);
+  check ("nextafter (+0, -0) = -0", FUNC(nextafter) (0, minus_zero),
+	 minus_zero);
+  check ("nextafter (-0, -0) = -0", FUNC(nextafter) (minus_zero, minus_zero),
+	 minus_zero);
+
+  check ("nextafter (9, 9) = 9",  FUNC(nextafter) (9, 9), 9);
+  check ("nextafter (-9, -9) = -9",  FUNC(nextafter) (-9, -9), -9);
+  check_isinfp ("nextafter (+inf, +inf) = +inf",
+		FUNC(nextafter) (plus_infty, plus_infty));
+  check_isinfn ("nextafter (-inf, -inf) = -inf",
+		FUNC(nextafter) (minus_infty, minus_infty));
+
+  x = rand () * 1.1;
+  check_isnan ("nextafter (NaN, x) = NaN", FUNC(nextafter) (nan_value, x));
+  check_isnan ("nextafter (x, NaN) = NaN", FUNC(nextafter) (x, nan_value));
+  check_isnan ("nextafter (NaN, NaN) = NaN", FUNC(nextafter) (nan_value,
+							      nan_value));
+
+  /* XXX We need the hexadecimal FP number representation here for further
+     tests.  */
+}
+
+
+static void
+copysign_test (void)
+{
+  check ("copysign (0, 4) = 0", FUNC(copysign) (0, 4), 0);
+  check ("copysign (0, -4) = -0", FUNC(copysign) (0, -4), minus_zero);
+  check ("copysign (-0, 4) = 0", FUNC(copysign) (minus_zero, 4), 0);
+  check ("copysign (-0, -4) = -0", FUNC(copysign) (minus_zero, -4),
+	 minus_zero);
+
+  check_isinfp ("copysign (+inf, 0) = +inf", FUNC(copysign) (plus_infty, 0));
+  check_isinfn ("copysign (+inf, -0) = -inf", FUNC(copysign) (plus_infty,
+							      minus_zero));
+  check_isinfp ("copysign (-inf, 0) = +inf", FUNC(copysign) (minus_infty, 0));
+  check_isinfn ("copysign (-inf, -0) = -inf", FUNC(copysign) (minus_infty,
+							      minus_zero));
+
+  check ("copysign (0, +inf) = 0", FUNC(copysign) (0, plus_infty), 0);
+  check ("copysign (0, -inf) = -0", FUNC(copysign) (0, minus_zero),
+	 minus_zero);
+  check ("copysign (-0, +inf) = 0", FUNC(copysign) (minus_zero, plus_infty),
+	 0);
+  check ("copysign (-0, -inf) = -0", FUNC(copysign) (minus_zero, minus_zero),
+	 minus_zero);
+
+  /* XXX More correctly we would have to check the sign of the NaN.  */
+  check_isnan ("copysign (+NaN, 0) = +inf", FUNC(copysign) (nan_value, 0));
+  check_isnan ("copysign (+NaN, -0) = -inf", FUNC(copysign) (nan_value,
+							     minus_zero));
+  check_isnan ("copysign (-NaN, 0) = +inf", FUNC(copysign) (-nan_value, 0));
+  check_isnan ("copysign (-NaN, -0) = -inf", FUNC(copysign) (-nan_value,
+							     minus_zero));
+}
+
+
+static void
+trunc_test (void)
+{
+  check ("trunc(0) = 0", FUNC(trunc) (0), 0);
+  check ("trunc(-0) = -0", FUNC(trunc) (minus_zero), minus_zero);
+  check ("trunc(0.625) = 0", FUNC(trunc) (0.625), 0);
+  check ("trunc(-0.625) = -0", FUNC(trunc) (-0.625), minus_zero);
+  check ("trunc(1) = 1", FUNC(trunc) (1), 1);
+  check ("trunc(-1) = -1", FUNC(trunc) (-1), -1);
+  check ("trunc(1.625) = 1", FUNC(trunc) (1.625), 1);
+  check ("trunc(-1.625) = -1", FUNC(trunc) (-1.625), -1);
+
+  check ("trunc(1048580.625) = 1048580", FUNC(trunc) (1048580.625L),
+	 1048580L);
+  check ("trunc(-1048580.625) = -1048580", FUNC(trunc) (-1048580.625L),
+	 -1048580L);
+
+  check ("trunc(8388610.125) = 8388610", FUNC(trunc) (8388610.125L),
+	 8388610.0L);
+  check ("trunc(-8388610.125) = -8388610", FUNC(trunc) (-8388610.125L),
+	 -8388610.0L);
+
+  check ("trunc(4294967296.625) = 4294967296", FUNC(trunc) (4294967296.625L),
+	 4294967296.0L);
+  check ("trunc(-4294967296.625) = -4294967296",
+	 FUNC(trunc) (-4294967296.625L), -4294967296.0L);
+
+  check_isinfp ("trunc(+inf) = +inf", FUNC(trunc) (plus_infty));
+  check_isinfn ("trunc(-inf) = -inf", FUNC(trunc) (minus_infty));
+  check_isnan ("trunc(NaN) = NaN", FUNC(trunc) (nan_value));
+}
+
+
+static void
+remquo_test (void)
+{
+  int quo;
+  MATHTYPE result;
+
+  result = FUNC(remquo) (1.625, 1.0, &quo);
+  check ("remquo(1.625, 1.0, &x) == -0.375", result, -0.375);
+  check ("remquo(1.625, 1.0, &x) puts 1 in x", quo, 1);
+
+  result = FUNC(remquo) (-1.625, 1.0, &quo);
+  check ("remquo(-1.625, 1.0, &x) == 0.375", result, 0.375);
+  check ("remquo(-1.625, 1.0, &x) puts 1 in x", quo, -1);
+
+  result = FUNC(remquo) (1.625, -1.0, &quo);
+  check ("remquo(1.125, -1.0, &x) == 0.125", result, 0.125);
+  check ("remquo(1.125, -1.0, &x) puts 1 in x", quo, -1);
+
+  result = FUNC(remquo) (-1.625, -1.0, &quo);
+  check ("remquo(-1.125, -1.0, &x) == 0.125", result, 0.125);
+  check ("remquo(-1.125, -1.0, &x) puts 1 in x", quo, 1);
+}
+
+
+static void
 inverse_func_pair_test (const char *test_name,
 			mathfunc f1, mathfunc inverse,
 			MATHTYPE x, MATHTYPE epsilon)
@@ -1244,33 +1460,33 @@ inverse_func_pair_test (const char *test_name,
 static void
 inverse_functions (void)
 {
-  inverse_func_pair_test ("(asin(sin(x)) == x",
+  inverse_func_pair_test ("asin(sin(x)) == x",
 			FUNC(sin), FUNC(asin), 1.0, CHOOSE (0, 0, 1e-7L));
-  inverse_func_pair_test ("(sin(asin(x)) == x",
+  inverse_func_pair_test ("sin(asin(x)) == x",
 			  FUNC(asin), FUNC(sin), 1.0, 0.0);
 
-  inverse_func_pair_test ("(acos(cos(x)) == x",
+  inverse_func_pair_test ("acos(cos(x)) == x",
 		       FUNC(cos), FUNC(acos), 1.0, CHOOSE (0, 1e-15L, 0));
-  inverse_func_pair_test ("(cos(acos(x)) == x",
+  inverse_func_pair_test ("cos(acos(x)) == x",
 			  FUNC(acos), FUNC(cos), 1.0, 0.0);
-  inverse_func_pair_test ("(atan(tan(x)) == x",
+  inverse_func_pair_test ("atan(tan(x)) == x",
 			  FUNC(tan), FUNC(atan), 1.0, 0.0);
-  inverse_func_pair_test ("(tan(atan(x)) == x",
+  inverse_func_pair_test ("tan(atan(x)) == x",
 		       FUNC(atan), FUNC(tan), 1.0, CHOOSE (0, 1e-15L, 0));
 
-  inverse_func_pair_test ("(asinh(sinh(x)) == x",
+  inverse_func_pair_test ("asinh(sinh(x)) == x",
 		     FUNC(sinh), FUNC(asinh), 1.0, CHOOSE (1e-18L, 0, 0));
-  inverse_func_pair_test ("(sinh(asinh(x)) == x",
+  inverse_func_pair_test ("sinh(asinh(x)) == x",
 			  FUNC(asinh), FUNC(sinh), 1.0, 0.0);
 
-  inverse_func_pair_test ("(acosh(cosh(x)) == x",
+  inverse_func_pair_test ("acosh(cosh(x)) == x",
 		FUNC(cosh), FUNC(acosh), 1.0, CHOOSE (1e-18L, 1e-15L, 0));
-  inverse_func_pair_test ("(cosh(acosh(x)) == x",
+  inverse_func_pair_test ("cosh(acosh(x)) == x",
 			  FUNC(acosh), FUNC(cosh), 1.0, 0.0);
 
-  inverse_func_pair_test ("(atanh(tanh(x)) == x",
+  inverse_func_pair_test ("atanh(tanh(x)) == x",
 		     FUNC(tanh), FUNC(atanh), 1.0, CHOOSE (0, 1e-15L, 0));
-  inverse_func_pair_test ("(tanh(atanh(x)) == x",
+  inverse_func_pair_test ("tanh(atanh(x)) == x",
 			  FUNC(atanh), FUNC(tanh), 1.0, 0.0);
 
 }
@@ -1401,6 +1617,15 @@ basic_tests (void)
   check_bool ("!isinf (-NAN)", !(isinf (-NAN)));
   check_bool ("NAN != NAN", NAN != NAN);
 
+  /*
+     And again with the value returned by the `nan' function.
+   */
+  check_bool ("isnan (NAN)", isnan (FUNC(nan) ("")));
+  check_bool ("isnan (-NAN)", isnan (-FUNC(nan) ("")));
+  check_bool ("!isinf (NAN)", !(isinf (FUNC(nan) (""))));
+  check_bool ("!isinf (-NAN)", !(isinf (-FUNC(nan) (""))));
+  check_bool ("NAN != NAN", FUNC(nan) ("") != FUNC(nan) (""));
+
   /* test if EPSILON is ok */
   x1 = MATHCONST (1.0);
   x2 = x1 + CHOOSE (LDBL_EPSILON, DBL_EPSILON, FLT_EPSILON);
@@ -1520,6 +1745,16 @@ main (int argc, char *argv[])
   fpclassify_test ();
   hypot_test ();
   pow_test ();
+  fdim_test ();
+  fmin_test ();
+  fmax_test ();
+  nextafter_test ();
+  copysign_test ();
+  trunc_test ();
+#if 0
+  /* XXX I'm not sure what is the correct result.  */
+  remquo_test ();
+#endif
 
   identities ();
   inverse_functions ();
diff --git a/sysdeps/generic/dl-sysdep.c b/sysdeps/generic/dl-sysdep.c
index 9408e61dbf..e9fbcdf4bc 100644
--- a/sysdeps/generic/dl-sysdep.c
+++ b/sysdeps/generic/dl-sysdep.c
@@ -154,7 +154,7 @@ _dl_sysdep_read_whole_file (const char *file, size_t *sizep, int prot)
   int fd = __open (file, O_RDONLY);
   if (fd < 0)
     return NULL;
-  if (__fstat (fd, &st) < 0)
+  if (__fxstat (_STAT_VER, fd, &st) < 0)
     result = NULL;
   else
     {
diff --git a/sysdeps/i386/dl-machine.h b/sysdeps/i386/dl-machine.h
index 40623e795c..8e6df12d6b 100644
--- a/sysdeps/i386/dl-machine.h
+++ b/sysdeps/i386/dl-machine.h
@@ -218,7 +218,14 @@ _dl_start_user:\n\
 
 /* Nonzero iff TYPE describes relocation of a PLT entry, so
    PLT entries should not be allowed to define the value.  */
-#define elf_machine_pltrel_p(type) ((type) == R_386_JMP_SLOT)
+#define elf_machine_lookup_noexec_p(type) ((type) == R_386_COPY)
+
+/* Nonzero iff TYPE describes relocation of a PLT entry, so
+   PLT entries should not be allowed to define the value.  */
+#define elf_machine_lookup_noplt_p(type) ((type) == R_386_JMP_SLOT)
+
+/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries.  */
+#define ELF_MACHINE_RELOC_NOPLT	R_386_JMP_SLOT
 
 /* The i386 never uses Elf32_Rela relocations.  */
 #define ELF_MACHINE_NO_RELA 1
@@ -235,62 +242,63 @@ elf_machine_rel (struct link_map *map, const Elf32_Rel *reloc,
 		 const Elf32_Sym *sym, const struct r_found_version *version)
 {
   Elf32_Addr *const reloc_addr = (void *) (map->l_addr + reloc->r_offset);
-  Elf32_Addr loadbase;
 
-  switch (ELF32_R_TYPE (reloc->r_info))
+  if (ELF32_R_TYPE (reloc->r_info) == R_386_RELATIVE)
     {
-    case R_386_COPY:
-      loadbase = RESOLVE (&sym, version, DL_LOOKUP_NOEXEC);
-      memcpy (reloc_addr, (void *) (loadbase + sym->st_value), sym->st_size);
-      break;
-    case R_386_GLOB_DAT:
-      loadbase = RESOLVE (&sym, version, 0);
-      *reloc_addr = sym ? (loadbase + sym->st_value) : 0;
-      break;
-    case R_386_JMP_SLOT:
-      loadbase = RESOLVE (&sym, version, DL_LOOKUP_NOPLT);
-      *reloc_addr = sym ? (loadbase + sym->st_value) : 0;
-      break;
-    case R_386_32:
-      {
-	Elf32_Addr undo = 0;
-#ifndef RTLD_BOOTSTRAP
-	/* This is defined in rtld.c, but nowhere in the static libc.a;
-	   make the reference weak so static programs can still link.  This
-	   declaration cannot be done when compiling rtld.c (i.e.  #ifdef
-	   RTLD_BOOTSTRAP) because rtld.c contains the common defn for
-	   _dl_rtld_map, which is incompatible with a weak decl in the same
-	   file.  */
-	weak_extern (_dl_rtld_map);
-	if (map == &_dl_rtld_map)
-	  /* Undo the relocation done here during bootstrapping.  Now we will
-	     relocate it anew, possibly using a binding found in the user
-	     program or a loaded library rather than the dynamic linker's
-	     built-in definitions used while loading those libraries.  */
-	  undo = map->l_addr + sym->st_value;
-#endif
-	loadbase = RESOLVE (&sym, version, 0);
-	*reloc_addr += (sym ? (loadbase + sym->st_value) : 0) - undo;
-	break;
-      }
-    case R_386_RELATIVE:
 #ifndef RTLD_BOOTSTRAP
       if (map != &_dl_rtld_map) /* Already done in rtld itself.  */
 #endif
 	*reloc_addr += map->l_addr;
-      break;
-    case R_386_PC32:
-      loadbase = RESOLVE (&sym, version, 0);
-      *reloc_addr += ((sym ? (loadbase + sym->st_value) : 0) -
-		      (Elf32_Addr) reloc_addr);
-      break;
-    case R_386_NONE:		/* Alright, Wilbur.  */
-      break;
-    default:
-      assert (! "unexpected dynamic reloc type");
-      break;
     }
-
+  else
+    {
+#ifndef RTLD_BOOTSTRAP
+      const Elf32_Sym *const refsym = sym;
+#endif
+      Elf32_Addr value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
+      if (sym)
+	value += sym->st_value;
+
+      switch (ELF32_R_TYPE (reloc->r_info))
+	{
+	case R_386_COPY:
+	  memcpy (reloc_addr, (void *) value, sym->st_size);
+	  break;
+	case R_386_GLOB_DAT:
+	case R_386_JMP_SLOT:
+	  *reloc_addr = value;
+	  break;
+	case R_386_32:
+	  {
+#ifndef RTLD_BOOTSTRAP
+	   /* This is defined in rtld.c, but nowhere in the static
+	      libc.a; make the reference weak so static programs can
+	      still link.  This declaration cannot be done when
+	      compiling rtld.c (i.e.  #ifdef RTLD_BOOTSTRAP) because
+	      rtld.c contains the common defn for _dl_rtld_map, which
+	      is incompatible with a weak decl in the same file.  */
+	    weak_extern (_dl_rtld_map);
+	    if (map == &_dl_rtld_map)
+	      /* Undo the relocation done here during bootstrapping.
+		 Now we will relocate it anew, possibly using a
+		 binding found in the user program or a loaded library
+		 rather than the dynamic linker's built-in definitions
+		 used while loading those libraries.  */
+	      value -= map->l_addr + refsym->st_value;
+#endif
+	    *reloc_addr += value;
+	    break;
+	  }
+	case R_386_PC32:
+	  *reloc_addr += (value - (Elf32_Addr) reloc_addr);
+	  break;
+	case R_386_NONE:		/* Alright, Wilbur.  */
+	  break;
+	default:
+	  assert (! "unexpected dynamic reloc type");
+	  break;
+	}
+    }
 }
 
 static inline void
diff --git a/sysdeps/libm-i387/s_nextafterl.c b/sysdeps/libm-i387/s_nextafterl.c
index b574430832..4596c6b93c 100644
--- a/sysdeps/libm-i387/s_nextafterl.c
+++ b/sysdeps/libm-i387/s_nextafterl.c
@@ -49,7 +49,7 @@ static char rcsid[] = "$NetBSD: $";
 	if(((ix==0x7fff)&&(((hx|lx)|-(hx|lx))&hx)>>31!=0) ||   /* x is nan */
 	   ((iy==0x7fff)&&(((hy|ly)|-(hy|ly))&hy)>>31!=0))     /* y is nan */
 	   return x+y;
-	if(x==y) return x;		/* x=y, return x */
+	if(x==y) return y;		/* x=y, return y */
 	if((ix|hx|lx)==0) {			/* x == 0 */
 	    SET_LDOUBLE_WORDS(x,esx&0x8000,0,1);/* return +-minsubnormal */
 	    y = x*x;
diff --git a/sysdeps/libm-i387/s_remquo.S b/sysdeps/libm-i387/s_remquo.S
new file mode 100644
index 0000000000..a4c5a35468
--- /dev/null
+++ b/sysdeps/libm-i387/s_remquo.S
@@ -0,0 +1,31 @@
+/*
+ * Written by Ulrich Drepper <drepper@cygnus.com>.
+ * Based on e_remainder by J.T. Conklin <jtc@netbsd.org>.
+ * Public domain.
+ */
+
+#include <machine/asm.h>
+
+ENTRY(__remquo)
+	fldl	12(%esp)
+	fldl	4(%esp)
+1:	fprem1
+	fstsw	%ax
+	sahf
+	jp	1b
+	fstpl	%st(1)
+	/* Compute the congruent of the quotient.  */
+	movl	%eax, %ecx
+	shrl	$8, %eax
+	shrl	$12, %ecx
+	andl	$4, %ecx
+	andl	$3, %eax
+	orl	%eax, %ecx
+	movl	$0xef2960, %eax
+	shrl	%cl, %eax
+	andl	$3, %eax
+	movl	20(%esp), %ecx
+	movl	%eax, (%ecx)
+	ret
+END (__remquo)
+weak_alias (__remquo, remquo)
diff --git a/sysdeps/libm-i387/s_remquof.S b/sysdeps/libm-i387/s_remquof.S
new file mode 100644
index 0000000000..56954323a6
--- /dev/null
+++ b/sysdeps/libm-i387/s_remquof.S
@@ -0,0 +1,31 @@
+/*
+ * Written by Ulrich Drepper <drepper@cygnus.com>.
+ * Based on e_remainder by J.T. Conklin <jtc@netbsd.org>.
+ * Public domain.
+ */
+
+#include <machine/asm.h>
+
+ENTRY(__remquof)
+	flds	8(%esp)
+	flds	4(%esp)
+1:	fprem1
+	fstsw	%ax
+	sahf
+	jp	1b
+	fstpl	%st(1)
+	/* Compute the congruent of the quotient.  */
+	movl	%eax, %ecx
+	shrl	$8, %eax
+	shrl	$12, %ecx
+	andl	$4, %ecx
+	andl	$3, %eax
+	orl	%eax, %ecx
+	movl	$0xef2960, %eax
+	shrl	%cl, %eax
+	andl	$3, %eax
+	movl	12(%esp), %ecx
+	movl	%eax, (%ecx)
+	ret
+END (__remquof)
+weak_alias (__remquof, remquof)
diff --git a/sysdeps/libm-i387/s_remquol.S b/sysdeps/libm-i387/s_remquol.S
new file mode 100644
index 0000000000..9c91d90c45
--- /dev/null
+++ b/sysdeps/libm-i387/s_remquol.S
@@ -0,0 +1,31 @@
+/*
+ * Written by Ulrich Drepper <drepper@cygnus.com>.
+ * Based on e_remainder by J.T. Conklin <jtc@netbsd.org>.
+ * Public domain.
+ */
+
+#include <machine/asm.h>
+
+ENTRY(__remquol)
+	fldt	16(%esp)
+	fldt	4(%esp)
+1:	fprem1
+	fstsw	%ax
+	sahf
+	jp	1b
+	fstpl	%st(1)
+	/* Compute the congruent of the quotient.  */
+	movl	%eax, %ecx
+	shrl	$8, %eax
+	shrl	$12, %ecx
+	andl	$4, %ecx
+	andl	$3, %eax
+	orl	%eax, %ecx
+	movl	$0xef2960, %eax
+	shrl	%cl, %eax
+	andl	$3, %eax
+	movl	28(%esp), %ecx
+	movl	%eax, (%ecx)
+	ret
+END (__remquol)
+weak_alias (__remquol, remquol)
diff --git a/sysdeps/libm-ieee754/s_nan.c b/sysdeps/libm-ieee754/s_nan.c
new file mode 100644
index 0000000000..58551c1ad5
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_nan.c
@@ -0,0 +1,47 @@
+/* Return quiet nan.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* XXX The ISO C 9X standard mentions a `n-char-sequence' which is provided
+   as the argument to this function but I have no clue what this means.
+   Perhaps it is a description of the bits set in the mantissa.  */
+#include <math.h>
+#ifdef HANDLE_TAGP
+# include <stdlib.h>
+# include <string.h>
+#else
+# include <ieee754.h>
+#endif
+
+
+double
+nan (const char *tagp)
+{
+#ifdef HANDLE_TAGP
+  /* If we ever should have use of the TAGP parameter we will use the
+     strtod function to analyze it.  */
+  char buf[6 + strlen (tagp)];
+  sprintf (buf, "NAN(%s)", tagp);
+  return strtod (buf, NULL);
+#else
+  static const union ieee754_double nan_value =
+  { ieee: { mantissa1: 0x1, mantissa0: 0x0, exponent: 0x7ff, negative: 0 } };
+  return nan_value.d;
+#endif
+}
diff --git a/sysdeps/libm-ieee754/s_nanf.c b/sysdeps/libm-ieee754/s_nanf.c
new file mode 100644
index 0000000000..e965b94b33
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_nanf.c
@@ -0,0 +1,47 @@
+/* Return quiet nan.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* XXX The ISO C 9X standard mentions a `n-char-sequence' which is provided
+   as the argument to this function but I have no clue what this means.
+   Perhaps it is a description of the bits set in the mantissa.  */
+#include <math.h>
+#ifdef HANDLE_TAGP
+# include <stdlib.h>
+# include <string.h>
+#else
+# include <ieee754.h>
+#endif
+
+
+float
+nanf (const char *tagp)
+{
+#ifdef HANDLE_TAGP
+  /* If we ever should have use of the TAGP parameter we will use the
+     strtod function to analyze it.  */
+  char buf[6 + strlen (tagp)];
+  sprintf (buf, "NAN(%s)", tagp);
+  return strtof (buf, NULL);
+#else
+  static const union ieee754_float nan_value =
+  { ieee: { mantissa: 0x1, exponent: 0xff, negative: 0 } };
+  return nan_value.f;
+#endif
+}
diff --git a/sysdeps/libm-ieee754/s_nanl.c b/sysdeps/libm-ieee754/s_nanl.c
new file mode 100644
index 0000000000..df0180ee46
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_nanl.c
@@ -0,0 +1,48 @@
+/* Return quiet nan.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+/* XXX The ISO C 9X standard mentions a `n-char-sequence' which is provided
+   as the argument to this function but I have no clue what this means.
+   Perhaps it is a description of the bits set in the mantissa.  */
+#include <math.h>
+#ifdef HANDLE_TAGP
+# include <stdlib.h>
+# include <string.h>
+#else
+# include <ieee754.h>
+#endif
+
+
+long double
+nanl (const char *tagp)
+{
+#ifdef HANDLE_TAGP
+  /* If we ever should have use of the TAGP parameter we will use the
+     strtod function to analyze it.  */
+  char buf[6 + strlen (tagp)];
+  sprintf (buf, "NAN(%s)", tagp);
+  return strtold (buf, NULL);
+#else
+  static const union ieee854_long_double nan_value =
+  { ieee: { mantissa1: 0x1, mantissa0: 0x80000000,
+	    exponent: 0x7fff, negative: 0 } };
+  return nan_value.d;
+#endif
+}
diff --git a/sysdeps/libm-ieee754/s_nextafter.c b/sysdeps/libm-ieee754/s_nextafter.c
index ee973bcee8..b98a161cf2 100644
--- a/sysdeps/libm-ieee754/s_nextafter.c
+++ b/sysdeps/libm-ieee754/s_nextafter.c
@@ -42,7 +42,7 @@ static char rcsid[] = "$NetBSD: s_nextafter.c,v 1.8 1995/05/10 20:47:58 jtc Exp
 	if(((ix>=0x7ff00000)&&((ix-0x7ff00000)|lx)!=0) ||   /* x is nan */
 	   ((iy>=0x7ff00000)&&((iy-0x7ff00000)|ly)!=0))     /* y is nan */
 	   return x+y;
-	if(x==y) return x;		/* x=y, return x */
+	if(x==y) return y;		/* x=y, return y */
 	if((ix|lx)==0) {			/* x == 0 */
 	    INSERT_WORDS(x,hy&0x80000000,1);	/* return +-minsubnormal */
 	    y = x*x;
diff --git a/sysdeps/libm-ieee754/s_nextafterf.c b/sysdeps/libm-ieee754/s_nextafterf.c
index bc8d04260f..611742bdf4 100644
--- a/sysdeps/libm-ieee754/s_nextafterf.c
+++ b/sysdeps/libm-ieee754/s_nextafterf.c
@@ -8,7 +8,7 @@
  *
  * Developed at SunPro, a Sun Microsystems, Inc. business.
  * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice 
+ * software is freely granted, provided that this notice
  * is preserved.
  * ====================================================
  */
@@ -34,15 +34,15 @@ static char rcsid[] = "$NetBSD: s_nextafterf.c,v 1.4 1995/05/10 20:48:01 jtc Exp
 	ix = hx&0x7fffffff;		/* |x| */
 	iy = hy&0x7fffffff;		/* |y| */
 
-	if((ix>0x7f800000) ||   /* x is nan */ 
-	   (iy>0x7f800000))     /* y is nan */ 
-	   return x+y;				
-	if(x==y) return x;		/* x=y, return x */
+	if((ix>0x7f800000) ||   /* x is nan */
+	   (iy>0x7f800000))     /* y is nan */
+	   return x+y;
+	if(x==y) return y;		/* x=y, return y */
 	if(ix==0) {				/* x == 0 */
 	    SET_FLOAT_WORD(x,(hy&0x80000000)|1);/* return +-minsubnormal */
 	    y = x*x;
 	    if(y==x) return y; else return x;	/* raise underflow flag */
-	} 
+	}
 	if(hx>=0) {				/* x > 0 */
 	    if(hx>hy) {				/* x > y, x -= ulp */
 		hx -= 1;
diff --git a/sysdeps/libm-ieee754/s_nextafterl.c b/sysdeps/libm-ieee754/s_nextafterl.c
index 0327261f33..1d3fc86c44 100644
--- a/sysdeps/libm-ieee754/s_nextafterl.c
+++ b/sysdeps/libm-ieee754/s_nextafterl.c
@@ -46,7 +46,7 @@ static char rcsid[] = "$NetBSD: $";
 	if(((ix==0x7fff)&&((hx|lx)|-(hx|lx))!=0) ||   /* x is nan */
 	   ((iy==0x7fff)&&((hy|ly)|-(hy|ly))!=0))     /* y is nan */
 	   return x+y;
-	if(x==y) return x;		/* x=y, return x */
+	if(x==y) return y;		/* x=y, return y */
 	if((ix|hx|lx)==0) {			/* x == 0 */
 	    SET_LDOUBLE_WORDS(x,esx&0x8000,0,1);/* return +-minsubnormal */
 	    y = x*x;
diff --git a/sysdeps/libm-ieee754/s_remquo.c b/sysdeps/libm-ieee754/s_remquo.c
new file mode 100644
index 0000000000..5a96f75f3b
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_remquo.c
@@ -0,0 +1,106 @@
+/* Compute remainder and a congruent to the quotient.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+static const double zero = 0.0;
+
+
+double
+__remquo (double x, double y, int *quo)
+{
+  int32_t hx,hp;
+  u_int32_t sx,lx,lp;
+  int cquo;
+
+  EXTRACT_WORDS (hx, lx, x);
+  EXTRACT_WORDS (hp, lp, p);
+  sx = hx & 0x80000000;
+  qs = (sx ^ (hp & 0x80000000)) >> 31;
+  hp &= 0x7fffffff;
+  hx &= 0x7fffffff;
+
+  /* Purge off exception values.  */
+  if ((hp | lp) == 0)
+    return (x * p) / (x * p); 			/* p = 0 */
+  if ((hx >= 0x7ff00000)			/* x not finite */
+      || ((hp >= 0x7ff00000)			/* p is NaN */
+	  && (((hp - 0x7ff00000) | lp) != 0)))
+    return (x * p) / (x * p);
+
+  if (hp <= 0x7fbfffff)
+    {
+      x = __ieee754_fmod (x, 8 * p);		/* now x < 8p */
+
+      if (fabs (x) >= 4 * fabs (p))
+	cquo += 4;
+    }
+
+  if (((hx - hp) | (lx - lp)) == 0)
+    {
+      *quo = qs ? -1 : 1;
+      return zero * x;
+    }
+
+  x  = fabs (x);
+  p  = fabs (p);
+  cquo = 0;
+
+  if (x >= 2 * p)
+    {
+      x -= 4 * p;
+      cquo += 2;
+    }
+  if (x >= p)
+    {
+      x -= 2 * p;
+      ++cquo;
+    }
+
+  if (hp < 0x00200000)
+    {
+      if (x + x > p)
+	{
+	  x -= p;
+	  if (x + x >= p)
+	    x -= p;
+	}
+    }
+  else
+    {
+      double p_half = 0.5 * p;
+      if(x > p_half)
+	{
+	  x -= p;
+	  if (x >= p_half)
+	    x -= p;
+	}
+    }
+
+  *quo = qs ? -cquo : cquo;
+
+  GET_HIGH_WORD (hx, x);
+  SET_HIGH_WORD (x, hx ^ sx);
+  return x;
+}
+weak_alias (__remquo, remquo)
diff --git a/sysdeps/libm-ieee754/s_remquof.c b/sysdeps/libm-ieee754/s_remquof.c
new file mode 100644
index 0000000000..cce5495ce8
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_remquof.c
@@ -0,0 +1,105 @@
+/* Compute remainder and a congruent to the quotient.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+static const float zero = 0.0;
+
+
+float
+__remquof (float x, float y, int *quo)
+{
+  int32_t hx,hp;
+  u_int32_t sx;
+  int cquo;
+
+  GET_FLOAT_WORD (hx, x);
+  GET_FLOAT_WORD (hp, p);
+  sx = hx & 0x80000000;
+  qs = (sx ^ (hp & 0x80000000)) >> 31;
+  hp &= 0x7fffffff;
+  hx &= 0x7fffffff;
+
+  /* Purge off exception values.  */
+  if (hp == 0)
+    return (x * p) / (x * p); 			/* p = 0 */
+  if ((hx >= 0x7f800000)			/* x not finite */
+      || (hp > 0x7f800000))			/* p is NaN */
+    return (x * p) / (x * p);
+
+  if (hp <= 0x7dffffff)
+    {
+      x = __ieee754_fmodf (x, 8 * p);		/* now x < 8p */
+
+      if (fabs (x) >= 4 * fabs (p))
+	cquo += 4;
+    }
+
+  if ((hx - hp) == 0)
+    {
+      *quo = qs ? -1 : 1;
+      return zero * x;
+    }
+
+  x  = fabsf (x);
+  p  = fabsf (p);
+  cquo = 0;
+
+  if (x >= 2 * p)
+    {
+      x -= 4 * p;
+      cquo += 2;
+    }
+  if (x >= p)
+    {
+      x -= 2 * p;
+      ++cquo;
+    }
+
+  if (hp < 0x01000000)
+    {
+      if (x + x > p)
+	{
+	  x -= p;
+	  if (x + x >= p)
+	    x -= p;
+	}
+    }
+  else
+    {
+      float p_half = 0.5 * p;
+      if(x > p_half)
+	{
+	  x -= p;
+	  if (x >= p_half)
+	    x -= p;
+	}
+    }
+
+  *quo = qs ? -cquo : cquo;
+
+  GET_FLOAT_WORD (hx, x);
+  SET_FLOAT_WORD (x, hx ^ sx);
+  return x;
+}
+weak_alias (__remquof, remquof)
diff --git a/sysdeps/libm-ieee754/s_remquol.c b/sysdeps/libm-ieee754/s_remquol.c
new file mode 100644
index 0000000000..9515b218c6
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_remquol.c
@@ -0,0 +1,106 @@
+/* Compute remainder and a congruent to the quotient.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+static const double zero = 0.0;
+
+
+long double
+__remquol (long double x, long double y, int *quo)
+{
+  int32_t ex,ep,hx,hp;
+  u_int32_t sx,lx,lp;
+  int cquo;
+
+  GET_LDOUBLE_WORDS (ex, hx, lx, x);
+  GET_LDOUBLE_WORDS (ep, hp, lp, p);
+  sx = ex & 0x8000;
+  qs = (sx ^ (ep & 0x8000)) >> 15;
+  ep &= 0x7fff;
+  ex &= 0x7fff;
+
+  /* Purge off exception values.  */
+  if ((ep | hp | lp) == 0)
+    return (x * p) / (x * p); 			/* p = 0 */
+  if ((ex == 0x7fff)				/* x not finite */
+      || ((ep == 0x7fff)			/* p is NaN */
+	  && ((hp | lp) != 0)))
+    return (x * p) / (x * p);
+
+  if (ep <= 0x7ffb)
+    {
+      x = __ieee754_fmodl (x, 8 * p);		/* now x < 8p */
+
+      if (fabsl (x) >= 4 * fabsl (p))
+	cquo += 4;
+    }
+
+  if (((ex - ep) | (hx - hp) | (lx - lp)) == 0)
+    {
+      *quo = qs ? -1 : 1;
+      return zero * x;
+    }
+
+  x  = fabsl (x);
+  p  = fabsl (p);
+  cquo = 0;
+
+  if (x >= 2 * p)
+    {
+      x -= 4 * p;
+      cquo += 2;
+    }
+  if (x >= p)
+    {
+      x -= 2 * p;
+      ++cquo;
+    }
+
+  if (ep < 0x0002)
+    {
+      if (x + x > p)
+	{
+	  x -= p;
+	  if (x + x >= p)
+	    x -= p;
+	}
+    }
+  else
+    {
+      long double p_half = 0.5 * p;
+      if(x > p_half)
+	{
+	  x -= p;
+	  if (x >= p_half)
+	    x -= p;
+	}
+    }
+
+  *quo = qs ? -cquo : cquo;
+
+  GET_LDOUBLE_EXP (ex, x);
+  SET_LDOUBLE_EXP (x, ex ^ sx);
+  return x;
+}
+weak_alias (__remquol, remquol)
diff --git a/sysdeps/libm-ieee754/s_rintl.c b/sysdeps/libm-ieee754/s_rintl.c
index c9f12b162a..5b4b647880 100644
--- a/sysdeps/libm-ieee754/s_rintl.c
+++ b/sysdeps/libm-ieee754/s_rintl.c
@@ -54,7 +54,7 @@ TWO64[2]={
 	GET_LDOUBLE_WORDS(se,i0,i1,x);
 	sx = (se>>15)&1;
 	j0 = (se&0x7fff)-0x3fff;
-	if(j0<32) {
+	if(j0<31) {
 	    if(j0<0) {
 		if(((se&0x7fff)|i0|i1)==0) return x;
 		i1 |= i0;
@@ -67,7 +67,7 @@ TWO64[2]={
 		SET_LDOUBLE_EXP(t,(i0&0x7fff)|(sx<<15));
 	        return t;
 	    } else {
-		i = (0xffffffff)>>j0;
+		i = (0x7fffffff)>>j0;
 		if(((i0&i)|i1)==0) return x; /* x is integral */
 		i>>=1;
 		if(((i0&i)|i1)!=0) {
diff --git a/sysdeps/libm-ieee754/s_trunc.c b/sysdeps/libm-ieee754/s_trunc.c
new file mode 100644
index 0000000000..721dce5a55
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_trunc.c
@@ -0,0 +1,61 @@
+/* Truncate argument to nearest integral value not larger than the argument.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+double
+__trunc (double x)
+{
+  int32_t i0, j0;
+  u_int32_t i1;
+  int sx;
+
+  EXTRACT_WORDS (i0, i1, x);
+  sx = i0 & 0x80000000;
+  j0 = ((i0 >> 20) & 0x7ff) - 0x3ff;
+  if (j0 < 20)
+    {
+      if (j0 < 0)
+	/* The magnitude of the number is < 1 so the result is +-0.  */
+	INSERT_WORDS (x, sx, 0);
+      else
+	INSERT_WORDS (x, sx | i0 & ~(0x000fffff >> j0), 0);
+    }
+  else if (j0 > 51)
+    {
+      if (j0 == 0x400)
+	/* x is inf or NaN.  */
+	return x + x;
+    }
+  else
+    {
+      INSERT_WORDS (x, i0, i1 & ~(0xffffffffu >> (j0 - 20)));
+    }
+
+  return x;
+}
+weak_alias (__trunc, trunc)
+#ifdef NO_LONG_DOUBLE
+strong_alias (__trunc, __truncl)
+weak_alias (__trunc, truncl)
+#endif
diff --git a/sysdeps/libm-ieee754/s_truncf.c b/sysdeps/libm-ieee754/s_truncf.c
new file mode 100644
index 0000000000..3e7b133c37
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_truncf.c
@@ -0,0 +1,52 @@
+/* Truncate argument to nearest integral value not larger than the argument.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+float
+__truncf (float x)
+{
+  int32_t i0, j0;
+  int sx;
+
+  GET_FLOAT_WORD (i0, x);
+  sx = i0 & 0x80000000;
+  j0 = ((i0 >> 23) & 0xff) - 0x7f;
+  if (j0 < 23)
+    {
+      if (j0 < 0)
+	/* The magnitude of the number is < 1 so the result is +-0.  */
+	SET_FLOAT_WORD (x, sx);
+      else
+	SET_FLOAT_WORD (x, sx | i0 & ~(0x007fffff >> j0));
+    }
+  else
+    {
+      if (j0 == 0x80)
+	/* x is inf or NaN.  */
+	return x + x;
+    }
+
+  return x;
+}
+weak_alias (__truncf, truncf)
diff --git a/sysdeps/libm-ieee754/s_truncl.c b/sysdeps/libm-ieee754/s_truncl.c
new file mode 100644
index 0000000000..206eab2f22
--- /dev/null
+++ b/sysdeps/libm-ieee754/s_truncl.c
@@ -0,0 +1,57 @@
+/* Truncate argument to nearest integral value not larger than the argument.
+   Copyright (C) 1997 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Contributed by Ulrich Drepper <drepper@cygnus.com>, 1997.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <math.h>
+
+#include "math_private.h"
+
+
+long double
+__truncl (long double x)
+{
+  int32_t i0, j0;
+  u_int32_t se, i1;
+  int sx;
+
+  GET_LDOUBLE_WORDS (se, i0, i1, x);
+  sx = se & 0x8000;
+  j0 = se & 0x7fff;
+  if (j0 < 31)
+    {
+      if (j0 < 0)
+	/* The magnitude of the number is < 1 so the result is +-0.  */
+	SET_LDOUBLE_WORDS (x, sx, 0, 0);
+      else
+	SET_LDOUBLE_WORDS (x, se, i0 & ~(0x7fffffff >> j0), 0);
+    }
+  else if (j0 > 63)
+    {
+      if (j0 == 0x4000)
+	/* x is inf or NaN.  */
+	return x + x;
+    }
+  else
+    {
+      SET_LDOUBLE_WORDS (x, se, i0, i1 & ~(0xffffffffu >> (j0 - 31)));
+    }
+
+  return x;
+}
+weak_alias (__truncl, truncl)
diff --git a/sysdeps/sparc/dl-machine.h b/sysdeps/sparc/dl-machine.h
index e87f1970e7..880542d2b3 100644
--- a/sysdeps/sparc/dl-machine.h
+++ b/sysdeps/sparc/dl-machine.h
@@ -104,93 +104,66 @@ elf_machine_rela (struct link_map *map, const Elf32_Rela *reloc,
   Elf32_Addr *const reloc_addr = (void *) (map->l_addr + reloc->r_offset);
   Elf32_Addr loadbase;
 
-  switch (ELF32_R_TYPE (reloc->r_info))
+  if (ELF32_R_TYPE (reloc->r_info) == R_SPARC_RELATIVE)
+    *reloc_addr += map->l_addr + reloc->r_addend;
+  else
     {
-    case R_SPARC_COPY:
-      loadbase = RESOLVE (&sym, version, DL_LOOKUP_NOEXEC);
-      memcpy (reloc_addr, (void *) (loadbase + sym->st_value), sym->st_size);
-      break;
-    case R_SPARC_GLOB_DAT:
-    case R_SPARC_32:
-      loadbase = RESOLVE (&sym, version, 0);
-      *reloc_addr = ((sym ? (loadbase + sym->st_value) : 0)
-		     + reloc->r_addend);
-      break;
-    case R_SPARC_JMP_SLOT:
-      loadbase = RESOLVE (&sym, version, DL_LOOKUP_NOPLT);
-      {
-	Elf32_Addr value = ((sym ? (loadbase + sym->st_value) : 0)
-			    + reloc->r_addend);
-	reloc_addr[1] = OPCODE_SETHI_G1 | (value >> 10);
-	reloc_addr[2] = OPCODE_JMP_G1 | (value & 0x3ff);
-      }
-      break;
-    case R_SPARC_8:
-      loadbase = RESOLVE (&sym, version, 0);
-      *(char *) reloc_addr = ((sym ? (loadbase + sym->st_value) : 0)
-			      + reloc->r_addend);
-      break;
-    case R_SPARC_16:
-      loadbase = RESOLVE (&sym, version, 0);
-      *(short *) reloc_addr = ((sym ? (loadbase + sym->st_value) : 0)
-			       + reloc->r_addend);
-      break;
-    case R_SPARC_RELATIVE:
-      *reloc_addr += map->l_addr + reloc->r_addend;
-      break;
-    case R_SPARC_DISP8:
-      loadbase = RESOLVE (&sym, version, 0);
-      *(char *) reloc_addr = ((sym ? (loadbase + sym->st_value) : 0)
-			      + reloc->r_addend
-			      - (Elf32_Addr) reloc_addr);
-      break;
-    case R_SPARC_DISP16:
-      loadbase = RESOLVE (&sym, version, 0);
-      *(short *) reloc_addr = ((sym ? (loadbase + sym->st_value) : 0)
-			       + reloc->r_addend
-			       - (Elf32_Addr) reloc_addr);
-      break;
-    case R_SPARC_DISP32:
-      loadbase = RESOLVE (&sym, version, 0);
-      *reloc_addr = ((sym ? (loadbase + sym->st_value) : 0)
-		     + reloc->r_addend
-		     - (Elf32_Addr) reloc_addr);
-      break;
-      case R_SPARC_LO10:
+      Elf32_Addr value;
+      if (sym->st_shndx != SHN_UNDEF &&
+	  ELF32_ST_BIND (sym->st_info) == STB_LOCAL)
+	value = map->l_addr;
+      else
 	{
-	  unsigned int saddr;
-
-	  loadbase = RESOLVE (&sym, version, 0);
-	  saddr = (loadbase ? loadbase : map->l_addr) + reloc->r_addend;
-
-	  *reloc_addr = (*reloc_addr & ~0x3ff) | (saddr & 0x3ff);
+	  value = RESOLVE (&sym, version, ELF32_R_TYPE (reloc->r_info));
+	  if (sym)
+	    value += sym->st_value;
 	}
-       break;
-    case R_SPARC_WDISP30:
-      {
-	unsigned int saddr;
-
-	loadbase = RESOLVE (&sym, version, 0);
-	saddr = (loadbase ? loadbase : map->l_addr) + reloc->r_addend;
-	*reloc_addr = ((*reloc_addr & 0xc0000000)
-		       | ((saddr - (unsigned int) reloc_addr)>>2));
-      }
-      break;
-    case R_SPARC_HI22:
-      {
-	unsigned int saddr;
-
-	loadbase = RESOLVE (&sym, version, 0);
-	saddr = (loadbase ? loadbase : map->l_addr) + reloc->r_addend;
+      value += reloc->r_addend;	/* Assume copy relocs have zero addend.  */
 
-	*reloc_addr = (*reloc_addr & 0xffc00000)|(saddr >> 10);
-      }
-      break;
-    case R_SPARC_NONE:		/* Alright, Wilbur.  */
-      break;
-    default:
-      assert (! "unexpected dynamic reloc type");
-      break;
+      switch (ELF32_R_TYPE (reloc->r_info))
+	{
+	case R_SPARC_COPY:
+	  memcpy (reloc_addr, (void *) value, sym->st_size);
+	  break;
+	case R_SPARC_GLOB_DAT:
+	case R_SPARC_32:
+	  *reloc_addr = value;
+	  break;
+	case R_SPARC_JMP_SLOT:
+	  reloc_addr[1] = OPCODE_SETHI_G1 | (value >> 10);
+	  reloc_addr[2] = OPCODE_JMP_G1 | (value & 0x3ff);
+	  break;
+	case R_SPARC_8:
+	  *(char *) reloc_addr = value;
+	  break;
+	case R_SPARC_16:
+	  *(short *) reloc_addr = value;
+	  break;
+	case R_SPARC_DISP8:
+	  *(char *) reloc_addr = (value - (Elf32_Addr) reloc_addr);
+	  break;
+	case R_SPARC_DISP16:
+	  *(short *) reloc_addr = (value - (Elf32_Addr) reloc_addr);
+	  break;
+	case R_SPARC_DISP32:
+	  *reloc_addr = (value - (Elf32_Addr) reloc_addr);
+	  break;
+	case R_SPARC_LO10:
+	  *reloc_addr = (*reloc_addr & ~0x3ff) | (value & 0x3ff);
+	  break;
+	case R_SPARC_WDISP30:
+	  *reloc_addr = ((*reloc_addr & 0xc0000000)
+			 | ((value - (unsigned int) reloc_addr) >> 2));
+	  break;
+	case R_SPARC_HI22:
+	  *reloc_addr = (*reloc_addr & 0xffc00000) | (value >> 10);
+	  break;
+	case R_SPARC_NONE:		/* Alright, Wilbur.  */
+	  break;
+	default:
+	  assert (! "unexpected dynamic reloc type");
+	  break;
+	}
     }
 }
 
@@ -213,7 +186,14 @@ elf_machine_lazy_rel (struct link_map *map, const Elf32_Rela *reloc)
 
 /* Nonzero iff TYPE describes relocation of a PLT entry, so
    PLT entries should not be allowed to define the value.  */
-#define elf_machine_pltrel_p(type) ((type) == R_SPARC_JMP_SLOT)
+#define elf_machine_lookup_noexec_p(type) ((type) == R_SPARC_COPY)
+
+/* Nonzero iff TYPE describes relocation of a PLT entry, so
+   PLT entries should not be allowed to define the value.  */
+#define elf_machine_lookup_noplt_p(type) ((type) == R_SPARC_JMP_SLOT)
+
+/* A reloc type used for ld.so cmdline arg lookups to reject PLT entries.  */
+#define ELF_MACHINE_RELOC_NOPLT	R_SPARC_JMP_SLOT
 
 /* The SPARC never uses Elf32_Rel relocations.  */
 #define ELF_MACHINE_NO_REL 1
diff --git a/sysdeps/unix/sysv/linux/alpha/termbits.h b/sysdeps/unix/sysv/linux/alpha/termbits.h
index d0932c1cd7..743bb3d283 100644
--- a/sysdeps/unix/sysv/linux/alpha/termbits.h
+++ b/sysdeps/unix/sysv/linux/alpha/termbits.h
@@ -112,6 +112,10 @@ struct termios
 #define   VT1	00200000
 #define XTABS	01000000 /* Hmm.. Linux/i386 considers this part of TABDLY.. */
 
+/* On Linux there is no OXTABS bit defined.  Take it as an alias for
+   XTABS.  */
+#define OXTABS	XTABS
+
 /* c_cflag bit meaning */
 #define CBAUD	0000037
 #define  B0	0000000		/* hang up */
diff --git a/sysdeps/unix/sysv/linux/termbits.h b/sysdeps/unix/sysv/linux/termbits.h
index 8224ac5403..91ba78b950 100644
--- a/sysdeps/unix/sysv/linux/termbits.h
+++ b/sysdeps/unix/sysv/linux/termbits.h
@@ -105,6 +105,10 @@ struct termios
 #define   FF0	0000000
 #define   FF1	0100000
 
+/* On Linux there is no OXTABS bit defined.  Take it as an alias for
+   XTABS.  */
+#define OXTABS	XTABS
+
 /* c_cflag bit meaning */
 #define CBAUD	0010017
 #define  B0	0000000		/* hang up */
diff --git a/termios/sys/ttydefaults.h b/termios/sys/ttydefaults.h
index a615b3d6c6..78c4b4f8a5 100644
--- a/termios/sys/ttydefaults.h
+++ b/termios/sys/ttydefaults.h
@@ -48,11 +48,7 @@
  * Defaults on "first" open.
  */
 #define	TTYDEF_IFLAG	(BRKINT | ISTRIP | ICRNL | IMAXBEL | IXON | IXANY)
-#ifdef OXTABS
 #define TTYDEF_OFLAG	(OPOST | ONLCR | OXTABS)
-#else
-#define TTYDEF_OFLAG	(OPOST | ONLCR | XTABS)
-#endif
 #define TTYDEF_LFLAG	(ECHO | ICANON | ISIG | IEXTEN | ECHOE|ECHOKE|ECHOCTL)
 #define TTYDEF_CFLAG	(CREAD | CS7 | PARENB | HUPCL)
 #define TTYDEF_SPEED	(B9600)
diff --git a/time/sys/time.h b/time/sys/time.h
index 5519f716ca..c4745f1546 100644
--- a/time/sys/time.h
+++ b/time/sys/time.h
@@ -81,11 +81,14 @@ enum __itimer_which
   {
     /* Timers run in real time.  */
     ITIMER_REAL = 0,
+#define ITIMER_REAL ITIMER_REAL
     /* Timers run only when the process is executing.  */
     ITIMER_VIRTUAL = 1,
+#define ITIMER_VIRTUAL ITIMER_VIRTUAL
     /* Timers run when the process is executing and when
        the system is executing on behalf of the process.  */
     ITIMER_PROF = 2
+#define ITIMER_PROF ITIMER_PROF
   };
 
 /* Type of the second argument to `getitimer' and