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-rw-r--r--ChangeLog29
-rw-r--r--iconvdata/Makefile4
-rw-r--r--iconvdata/TESTS227
-rw-r--r--iconvdata/gconv-modules12
-rwxr-xr-xiconvdata/run-iconv-test.sh45
-rw-r--r--iconvdata/testdata/alfabeta..UTF-16.BEbin0 -> 644 bytes
-rw-r--r--iconvdata/testdata/alfabeta..UTF-16.LEbin0 -> 644 bytes
-rw-r--r--iconvdata/testdata/alfabeta..UTF-32.BEbin0 -> 1068 bytes
-rw-r--r--iconvdata/testdata/alfabeta..UTF-32.LEbin0 -> 1068 bytes
-rw-r--r--iconvdata/testdata/alfabeta..UTF-86
-rw-r--r--iconvdata/unicode.c4
-rw-r--r--iconvdata/utf-16.c15
-rw-r--r--iconvdata/utf-32.c270
-rw-r--r--linuxthreads/ChangeLog6
-rw-r--r--linuxthreads/sysdeps/i386/i686/pt-machine.h9
-rw-r--r--linuxthreads/sysdeps/i386/pt-machine.h5
16 files changed, 412 insertions, 20 deletions
diff --git a/ChangeLog b/ChangeLog
index 3b6b1fe989..756ba4308a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,32 @@
+2001-04-12  Bruno Haible  <haible@clisp.cons.org>
+
+	* iconvdata/TESTS2: New file.
+	* iconvdata/run-iconv-test.sh: Also run tests from TESTS2.
+	* iconvdata/testdata/alfabeta..UTF-8: New file.
+	* iconvdata/testdata/alfabeta..UTF-16.BE: New file.
+	* iconvdata/testdata/alfabeta..UTF-16.LE: New file.
+	* iconvdata/testdata/alfabeta..UTF-32.BE: New file.
+	* iconvdata/testdata/alfabeta..UTF-32.LE: New file.
+
+2001-04-11  Bruno Haible  <haible@clisp.cons.org>
+
+	* iconvdata/utf-32.c: New file.
+	* iconvdata/gconv-modules: Add entries for UTF-32, UTF-32LE, UTF-32BE.
+	* iconvdata/Makefile (modules): Add UTF-32.
+	(distribute): Add utf-32.c.
+
+2001-04-11  Bruno Haible  <haible@clisp.cons.org>
+
+	* iconvdata/utf-16.c (PREPARE_LOOP): Initialize 'swap' after possibly
+	changing it in the state. After incrementing 'inptr', store it back.
+	* iconvdata/unicode.c (PREPARE_LOOP): After incrementing 'inptr',
+	store it back.
+
+2001-04-11  Bruno Haible  <haible@clisp.cons.org>
+
+	* iconvdata/utf-16.c (gconv_init): Use MAX_NEEDED_FROM, not
+	MIN_NEEDED_FROM.
+
 2001-04-11  David Mosberger  <davidm@hpl.hp.com>
 
 	* sysdeps/ia64/htonl.S: Drop superfluous "alloc".
diff --git a/iconvdata/Makefile b/iconvdata/Makefile
index 252c6ca1ff..7c9c628485 100644
--- a/iconvdata/Makefile
+++ b/iconvdata/Makefile
@@ -46,7 +46,7 @@ modules	:= ISO8859-1 ISO8859-2 ISO8859-3 ISO8859-4 ISO8859-5		 \
 	   INIS-CYRILLIC ISO_6937-2 ISO_2033 ISO_5427 ISO_5427-EXT	 \
 	   ISO_5428 ISO_10367-BOX MAC-IS MAC-UK NATS-DANO NATS-SEFI	 \
 	   SAMI-WS2 ISO-IR-197 TIS-620 KOI8-U GBK ISIRI-3342 GBGBK	 \
-	   ISO-2022-CN libISOIR165 UTF-16 UNICODE UTF-7 BIG5HKSCS	 \
+	   ISO-2022-CN libISOIR165 UTF-16 UNICODE UTF-32 UTF-7 BIG5HKSCS \
 	   GB18030 ISO-2022-CN-EXT VISCII GBBIG5
 
 modules.so := $(addsuffix .so, $(modules))
@@ -134,7 +134,7 @@ distribute := gconv-modules extra-module.mk gap.awk gaptab.awk		    \
 	      macintosh.c mac-is.c mac-uk.c nats-dano.c nats-sefi.c sjis.c  \
 	      t.61.c uhc.c sami-ws2.c iso-ir-197.c tis-620.c koi8-u.c	    \
 	      isiri-3342.c isiri-3342.h gbgbk.c iso-2022-cn.c cns11643l2.h  \
-	      iso8859-16.c utf-16.c unicode.c utf-7.c big5hkscs.c	    \
+	      iso8859-16.c utf-16.c unicode.c utf-32.c utf-7.c big5hkscs.c  \
 	      iso-ir-165.c iso-ir-165.h gb18030.c iso-2022-cn-ext.c	    \
 	      ibm932.c ibm932.h ibm943.c ibm943.h gbbig5.c
 
diff --git a/iconvdata/TESTS2 b/iconvdata/TESTS2
new file mode 100644
index 0000000000..7d4ec00e06
--- /dev/null
+++ b/iconvdata/TESTS2
@@ -0,0 +1,27 @@
+# Tests for endianness dependent iconv(1) (and therefore iconv(3)) in GNU libc.
+# Copyright (C) 2001 Free Software Foundation, Inc.
+# This file is part of the GNU C Library.
+# Contributed by Bruno Haible <haible@clisp.cons.org>, 2001.
+#
+# 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.
+
+# Each line consists of three fields:
+# 1. The endianness independent encoding.
+# 2. The endianness dependent encoding.
+# 3. The filename stem.
+
+UTF-8		UTF-16		alfabeta
+UTF-8		UTF-32		alfabeta
diff --git a/iconvdata/gconv-modules b/iconvdata/gconv-modules
index 79b4b1f45f..3bbe11c8b6 100644
--- a/iconvdata/gconv-modules
+++ b/iconvdata/gconv-modules
@@ -1319,6 +1319,18 @@ module	UNICODE//		INTERNAL		UNICODE		1
 module	INTERNAL		UNICODE//		UNICODE		1
 
 #	from			to			module		cost
+module	UTF-32//		INTERNAL		UTF-32		1
+module	INTERNAL		UTF-32//		UTF-32		1
+
+#	from			to			module		cost
+module	UTF-32LE//		INTERNAL		UTF-32		1
+module	INTERNAL		UTF-32LE//		UTF-32		1
+
+#	from			to			module		cost
+module	UTF-32BE//		INTERNAL		UTF-32		1
+module	INTERNAL		UTF-32BE//		UTF-32		1
+
+#	from			to			module		cost
 module	UTF-7//			INTERNAL		UTF-7		1
 module	INTERNAL		UTF-7//			UTF-7		1
 
diff --git a/iconvdata/run-iconv-test.sh b/iconvdata/run-iconv-test.sh
index 3388e80074..0d307a3d95 100755
--- a/iconvdata/run-iconv-test.sh
+++ b/iconvdata/run-iconv-test.sh
@@ -127,7 +127,7 @@ while read from to subset targets; do
   fi
 
   if test "$subset" != Y; then
-    echo $ac_n "   suntzu: ASCII -> $to -> ASCII $ac_c"
+    echo $ac_n "      suntzu: ASCII -> $to -> ASCII $ac_c"
     $PROG -f ASCII -t $to testdata/suntzus |
     $PROG -f $to -t ASCII > $temp1 ||
       { if test $? -gt 128; then exit 1; fi
@@ -139,6 +139,49 @@ while read from to subset targets; do
   fi
 done < TESTS
 
+# We read the file named TESTS2.  All non-empty lines not starting with
+# `#' are interpreted as commands.
+while read utf8 from filename; do
+  # Ignore empty and comment lines.
+  if test -z "$filename" || test "$utf8" = '#'; then continue; fi
+
+  # Expand the variables now.
+  PROG=`eval echo $ICONV`
+
+  # Test conversion to the endianness dependent encoding.
+  echo $ac_n "test encoder: $utf8 -> $from $ac_c"
+  $PROG -f $utf8 -t $from < testdata/${filename}..${utf8} > $temp1
+  cmp $temp1 testdata/${filename}..${from}.BE > /dev/null 2>&1 ||
+  cmp $temp1 testdata/${filename}..${from}.LE > /dev/null 2>&1 ||
+    { echo "/FAILED"; failed=1; continue; }
+  echo "OK"
+
+  # Test conversion from the endianness dependent encoding.
+  echo $ac_n "test decoder: $from -> $utf8 $ac_c"
+  $PROG -f $from -t $utf8 < testdata/${filename}..${from}.BE > $temp1
+  cmp $temp1 testdata/${filename}..${utf8} > /dev/null 2>&1 ||
+    { echo "/FAILED"; failed=1; continue; }
+  $PROG -f $from -t $utf8 < testdata/${filename}..${from}.LE > $temp1
+  cmp $temp1 testdata/${filename}..${utf8} > /dev/null 2>&1 ||
+    { echo "/FAILED"; failed=1; continue; }
+  echo "OK"
+
+  # Test byte swapping behaviour.
+  echo $ac_n "test non-BOM: ${from}BE -> ${from}LE $ac_c"
+  $PROG -f ${from}BE -t ${from}LE < testdata/${filename}..${from}.BE > $temp1
+  cmp $temp1 testdata/${filename}..${from}.LE > /dev/null 2>&1 ||
+    { echo "/FAILED"; failed=1; continue; }
+  echo "OK"
+
+  # Test byte swapping behaviour.
+  echo $ac_n "test non-BOM: ${from}LE -> ${from}BE $ac_c"
+  $PROG -f ${from}LE -t ${from}BE < testdata/${filename}..${from}.LE > $temp1
+  cmp $temp1 testdata/${filename}..${from}.BE > /dev/null 2>&1 ||
+    { echo "/FAILED"; failed=1; continue; }
+  echo "OK"
+
+done < TESTS2
+
 exit $failed
 # Local Variables:
 #  mode:shell-script
diff --git a/iconvdata/testdata/alfabeta..UTF-16.BE b/iconvdata/testdata/alfabeta..UTF-16.BE
new file mode 100644
index 0000000000..904d9be164
--- /dev/null
+++ b/iconvdata/testdata/alfabeta..UTF-16.BE
Binary files differdiff --git a/iconvdata/testdata/alfabeta..UTF-16.LE b/iconvdata/testdata/alfabeta..UTF-16.LE
new file mode 100644
index 0000000000..4f3dd2a4f8
--- /dev/null
+++ b/iconvdata/testdata/alfabeta..UTF-16.LE
Binary files differdiff --git a/iconvdata/testdata/alfabeta..UTF-32.BE b/iconvdata/testdata/alfabeta..UTF-32.BE
new file mode 100644
index 0000000000..6aa4dcb845
--- /dev/null
+++ b/iconvdata/testdata/alfabeta..UTF-32.BE
Binary files differdiff --git a/iconvdata/testdata/alfabeta..UTF-32.LE b/iconvdata/testdata/alfabeta..UTF-32.LE
new file mode 100644
index 0000000000..2451dac9f9
--- /dev/null
+++ b/iconvdata/testdata/alfabeta..UTF-32.LE
Binary files differdiff --git a/iconvdata/testdata/alfabeta..UTF-8 b/iconvdata/testdata/alfabeta..UTF-8
new file mode 100644
index 0000000000..4229c88dc4
--- /dev/null
+++ b/iconvdata/testdata/alfabeta..UTF-8
@@ -0,0 +1,6 @@
+ΑΒΓΔΕΖΗΘΙΚΛΜΝΞΟΠΡΣΤΥΦΧΨΩ          <- Greek
+𐌀𐌁𐌂𐌃𐌄𐌅𐌆𐌇𐌈𐌉𐌊𐌋𐌌𐌍𐌎𐌏𐌐𐌑𐌒𐌓𐌔𐌕𐌖𐌗𐌘𐌙𐌚𐌛𐌜𐌝    <- Etruscan
+ABCDEFGHIJKLMNOPQRSTUVWXYZ        <- Latin
+АБВГДЕЖЗИЙКЛМНОПРСТУФХЦЧШЩЪЫЬЭЮЯ  <- Cyrillic
+𐌰𐌱𐌲𐌳𐌴𐌵𐌶𐌷𐌸𐌹𐌺𐌻𐌼𐌽𐌾𐌿𐍀𐍁𐍂𐍃𐍄𐍅𐍆𐍇𐍈         <- Gothic
+אבגדהוזחטיךכלםמןנסעףפץצקרש        <- Hebrew
diff --git a/iconvdata/unicode.c b/iconvdata/unicode.c
index be72f4fcaf..89ec81f90b 100644
--- a/iconvdata/unicode.c
+++ b/iconvdata/unicode.c
@@ -53,11 +53,11 @@
 									      \
 	  if (get16u (inptr) == BOM)					      \
 	    /* Simply ignore the BOM character.  */			      \
-	    inptr += 2;							      \
+	    *inptrp = inptr += 2;					      \
 	  else if (get16u (inptr) == BOM_OE)				      \
 	    {								      \
 	      ((struct unicode_data *) step->__data)->swap = 1;		      \
-	      inptr += 2;						      \
+	      *inptrp = inptr += 2;					      \
 	    }								      \
 	}								      \
     }									      \
diff --git a/iconvdata/utf-16.c b/iconvdata/utf-16.c
index c40e29685a..6001b36cb7 100644
--- a/iconvdata/utf-16.c
+++ b/iconvdata/utf-16.c
@@ -1,5 +1,5 @@
 /* Conversion module for UTF-16.
-   Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@cygnus.com>, 1999.
 
@@ -44,7 +44,7 @@
 #define PREPARE_LOOP \
   enum direction dir = ((struct utf16_data *) step->__data)->dir;	      \
   enum variant var = ((struct utf16_data *) step->__data)->var;		      \
-  int swap = ((struct utf16_data *) step->__data)->swap;		      \
+  int swap;								      \
   if (FROM_DIRECTION && var == UTF_16)					      \
     {									      \
       if (data->__invocation_counter == 0)				      \
@@ -55,11 +55,11 @@
 									      \
 	  if (get16u (inptr) == BOM)					      \
 	    /* Simply ignore the BOM character.  */			      \
-	    inptr += 2;							      \
+	    *inptrp = inptr += 2;					      \
 	  else if (get16u (inptr) == BOM_OE)				      \
 	    {								      \
 	      ((struct utf16_data *) step->__data)->swap = 1;		      \
-	      inptr += 2;						      \
+	      *inptrp = inptr += 2;					      \
 	    }								      \
 	}								      \
     }									      \
@@ -72,7 +72,8 @@
 									      \
       put16u (outbuf, BOM);						      \
       outbuf += 2;							      \
-    }
+    }									      \
+  swap = ((struct utf16_data *) step->__data)->swap;
 #define EXTRA_LOOP_ARGS		, var, swap
 
 
@@ -159,7 +160,7 @@ gconv_init (struct __gconv_step *step)
 	  if (dir == from_utf16)
 	    {
 	      step->__min_needed_from = MIN_NEEDED_FROM;
-	      step->__max_needed_from = MIN_NEEDED_FROM;
+	      step->__max_needed_from = MAX_NEEDED_FROM;
 	      step->__min_needed_to = MIN_NEEDED_TO;
 	      step->__max_needed_to = MIN_NEEDED_TO;
 	    }
@@ -168,7 +169,7 @@ gconv_init (struct __gconv_step *step)
 	      step->__min_needed_from = MIN_NEEDED_TO;
 	      step->__max_needed_from = MIN_NEEDED_TO;
 	      step->__min_needed_to = MIN_NEEDED_FROM;
-	      step->__max_needed_to = MIN_NEEDED_FROM;
+	      step->__max_needed_to = MAX_NEEDED_FROM;
 	    }
 
 	  step->__stateful = 0;
diff --git a/iconvdata/utf-32.c b/iconvdata/utf-32.c
new file mode 100644
index 0000000000..2e245c9173
--- /dev/null
+++ b/iconvdata/utf-32.c
@@ -0,0 +1,270 @@
+/* Conversion module for UTF-32.
+   Copyright (C) 1999, 2000, 2001 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 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 <byteswap.h>
+#include <dlfcn.h>
+#include <gconv.h>
+#include <stddef.h>
+#include <stdint.h>
+#include <stdlib.h>
+#include <string.h>
+
+/* This is the Byte Order Mark character (BOM).  */
+#define BOM	0x0000feffu
+/* And in the other byte order.  */
+#define BOM_OE	0xfffe0000u
+
+
+/* Definitions used in the body of the `gconv' function.  */
+#define FROM_LOOP		from_utf32_loop
+#define TO_LOOP			to_utf32_loop
+#define DEFINE_INIT		0
+#define DEFINE_FINI		0
+#define MIN_NEEDED_FROM		4
+#define MIN_NEEDED_TO		4
+#define FROM_DIRECTION		(dir == from_utf32)
+#define PREPARE_LOOP \
+  enum direction dir = ((struct utf32_data *) step->__data)->dir;	      \
+  enum variant var = ((struct utf32_data *) step->__data)->var;		      \
+  int swap;								      \
+  if (FROM_DIRECTION && var == UTF_32)					      \
+    {									      \
+      if (data->__invocation_counter == 0)				      \
+	{								      \
+	  /* We have to find out which byte order the file is encoded in.  */ \
+	  if (inptr + 4 > inend)					      \
+	    return __GCONV_EMPTY_INPUT;					      \
+									      \
+	  if (get32u (inptr) == BOM)					      \
+	    /* Simply ignore the BOM character.  */			      \
+	    *inptrp = inptr += 4;					      \
+	  else if (get32u (inptr) == BOM_OE)				      \
+	    {								      \
+	      ((struct utf32_data *) step->__data)->swap = 1;		      \
+	      *inptrp = inptr += 4;					      \
+	    }								      \
+	}								      \
+    }									      \
+  else if (!FROM_DIRECTION && var == UTF_32 && !data->__internal_use	      \
+	   && data->__invocation_counter == 0)				      \
+    {									      \
+      /* Emit the Byte Order Mark.  */					      \
+      if (__builtin_expect (outbuf + 4 > outend, 0))			      \
+	return __GCONV_FULL_OUTPUT;					      \
+									      \
+      put32u (outbuf, BOM);						      \
+      outbuf += 4;							      \
+    }									      \
+  swap = ((struct utf32_data *) step->__data)->swap;
+#define EXTRA_LOOP_ARGS		, var, swap
+
+
+/* Direction of the transformation.  */
+enum direction
+{
+  illegal_dir,
+  to_utf32,
+  from_utf32
+};
+
+enum variant
+{
+  illegal_var,
+  UTF_32,
+  UTF_32LE,
+  UTF_32BE
+};
+
+struct utf32_data
+{
+  enum direction dir;
+  enum variant var;
+  int swap;
+};
+
+
+extern int gconv_init (struct __gconv_step *step);
+int
+gconv_init (struct __gconv_step *step)
+{
+  /* Determine which direction.  */
+  struct utf32_data *new_data;
+  enum direction dir = illegal_dir;
+  enum variant var = illegal_var;
+  int result;
+
+  if (__strcasecmp (step->__from_name, "UTF-32//") == 0)
+    {
+      dir = from_utf32;
+      var = UTF_32;
+    }
+  else if (__strcasecmp (step->__to_name, "UTF-32//") == 0)
+    {
+      dir = to_utf32;
+      var = UTF_32;
+    }
+  else if (__strcasecmp (step->__from_name, "UTF-32BE//") == 0)
+    {
+      dir = from_utf32;
+      var = UTF_32BE;
+    }
+  else if (__strcasecmp (step->__to_name, "UTF-32BE//") == 0)
+    {
+      dir = to_utf32;
+      var = UTF_32BE;
+    }
+  else if (__strcasecmp (step->__from_name, "UTF-32LE//") == 0)
+    {
+      dir = from_utf32;
+      var = UTF_32LE;
+    }
+  else if (__strcasecmp (step->__to_name, "UTF-32LE//") == 0)
+    {
+      dir = to_utf32;
+      var = UTF_32LE;
+    }
+
+  result = __GCONV_NOCONV;
+  if (__builtin_expect (dir, to_utf32) != illegal_dir)
+    {
+      new_data = (struct utf32_data *) malloc (sizeof (struct utf32_data));
+
+      result = __GCONV_NOMEM;
+      if (new_data != NULL)
+	{
+	  new_data->dir = dir;
+	  new_data->var = var;
+	  new_data->swap = ((var == UTF_32LE && BYTE_ORDER == BIG_ENDIAN)
+			    || (var == UTF_32BE
+				&& BYTE_ORDER == LITTLE_ENDIAN));
+	  step->__data = new_data;
+
+	  if (dir == from_utf32)
+	    {
+	      step->__min_needed_from = MIN_NEEDED_FROM;
+	      step->__max_needed_from = MIN_NEEDED_FROM;
+	      step->__min_needed_to = MIN_NEEDED_TO;
+	      step->__max_needed_to = MIN_NEEDED_TO;
+	    }
+	  else
+	    {
+	      step->__min_needed_from = MIN_NEEDED_TO;
+	      step->__max_needed_from = MIN_NEEDED_TO;
+	      step->__min_needed_to = MIN_NEEDED_FROM;
+	      step->__max_needed_to = MIN_NEEDED_FROM;
+	    }
+
+	  step->__stateful = 0;
+
+	  result = __GCONV_OK;
+	}
+    }
+
+  return result;
+}
+
+
+extern void gconv_end (struct __gconv_step *data);
+void
+gconv_end (struct __gconv_step *data)
+{
+  free (data->__data);
+}
+
+
+/* Convert from the internal (UCS4-like) format to UTF-32.  */
+#define MIN_NEEDED_INPUT	MIN_NEEDED_TO
+#define MIN_NEEDED_OUTPUT	MIN_NEEDED_FROM
+#define LOOPFCT			TO_LOOP
+#define BODY \
+  {									      \
+    uint32_t c = get32 (inptr);						      \
+									      \
+    if (__builtin_expect (c >= 0x110000, 0))				      \
+      {									      \
+	STANDARD_ERR_HANDLER (4);					      \
+      }									      \
+    else if (__builtin_expect (c >= 0xd800 && c < 0xe000, 0))		      \
+      {									      \
+	/* Surrogate characters in UCS-4 input are not valid.		      \
+	   We must catch this.  If we let surrogates pass through,	      \
+	   attackers could make a security hole exploit by		      \
+	   generating "irregular UTF-32" sequences.  */			      \
+	if (! ignore_errors_p ())					      \
+	  {								      \
+	    result = __GCONV_ILLEGAL_INPUT;				      \
+	    break;							      \
+	  }								      \
+	inptr += 4;							      \
+	++*irreversible;						      \
+	continue;							      \
+      }									      \
+									      \
+    if (swap)								      \
+      put32 (outptr, bswap_32 (c));					      \
+    else								      \
+      put32 (outptr, c);						      \
+									      \
+    outptr += 4;							      \
+    inptr += 4;								      \
+  }
+#define LOOP_NEED_FLAGS
+#define EXTRA_LOOP_DECLS \
+	, enum variant var, int swap
+#include <iconv/loop.c>
+
+
+/* Convert from UTF-32 to the internal (UCS4-like) format.  */
+#define MIN_NEEDED_INPUT	MIN_NEEDED_FROM
+#define MIN_NEEDED_OUTPUT	MIN_NEEDED_TO
+#define LOOPFCT			FROM_LOOP
+#define BODY \
+  {									      \
+    uint32_t u1 = get32 (inptr);					      \
+									      \
+    if (swap)								      \
+      u1 = bswap_32 (u1);						      \
+									      \
+    if (__builtin_expect (u1 >= 0x110000, 0))				      \
+      {									      \
+	/* This is illegal.  */						      \
+	if (! ignore_errors_p ())					      \
+	  {								      \
+	    /* This is an illegal character.  */			      \
+	    result = __GCONV_ILLEGAL_INPUT;				      \
+	    break;							      \
+	  }								      \
+									      \
+	inptr += 4;							      \
+	++*irreversible;						      \
+	continue;							      \
+      }									      \
+									      \
+    put32 (outptr, u1);							      \
+    inptr += 4;								      \
+    outptr += 4;							      \
+  }
+#define LOOP_NEED_FLAGS
+#define EXTRA_LOOP_DECLS \
+	, enum variant var, int swap
+#include <iconv/loop.c>
+
+
+/* Now define the toplevel functions.  */
+#include <iconv/skeleton.c>
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index 93a03a7846..3dfc5c7417 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,9 @@
+2001-04-12  Ulrich Drepper  <drepper@redhat.com>
+
+	* sysdeps/i386/pt-machine.h (CURRENT_STACK_FRAME): Define using
+	__builtin_frame_address.
+	* sysdeps/i386/i686/pt-machine.h: Likewise.
+
 2001-04-11  Ulrich Drepper  <drepper@redhat.com>
 
 	* Makefile (tests): Comment out tst-cancel for now.
diff --git a/linuxthreads/sysdeps/i386/i686/pt-machine.h b/linuxthreads/sysdeps/i386/i686/pt-machine.h
index 92798ac8b9..7df3e7e487 100644
--- a/linuxthreads/sysdeps/i386/i686/pt-machine.h
+++ b/linuxthreads/sysdeps/i386/i686/pt-machine.h
@@ -1,6 +1,6 @@
 /* Machine-dependent pthreads configuration and inline functions.
    i686 version.
-   Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1996, 1997, 1998, 2000, 2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson <rth@tamu.edu>.
 
@@ -26,8 +26,7 @@
 
 /* Get some notion of the current stack.  Need not be exactly the top
    of the stack, just something somewhere in the current frame.  */
-#define CURRENT_STACK_FRAME  stack_pointer
-register char * stack_pointer __asm__ ("%esp");
+#define CURRENT_STACK_FRAME  __builtin_frame_address (0)
 
 
 /* Spinlock implementation; required.  */
@@ -38,8 +37,8 @@ testandset (int *spinlock)
 
   __asm__ __volatile__ (
 	"xchgl %0, %1"
-	: "=r"(ret), "=m"(*spinlock)
-	: "0"(1), "m"(*spinlock)
+	: "=r" (ret), "=m" (*spinlock)
+	: "0" (1), "m" (*spinlock)
 	: "memory");
 
   return ret;
diff --git a/linuxthreads/sysdeps/i386/pt-machine.h b/linuxthreads/sysdeps/i386/pt-machine.h
index c2cc885220..3346bcc34d 100644
--- a/linuxthreads/sysdeps/i386/pt-machine.h
+++ b/linuxthreads/sysdeps/i386/pt-machine.h
@@ -1,6 +1,6 @@
 /* Machine-dependent pthreads configuration and inline functions.
    i386 version.
-   Copyright (C) 1996, 1997, 1998, 1999, 2000 Free Software Foundation, Inc.
+   Copyright (C) 1996,1997,1998,1999,2000,2001 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson <rth@tamu.edu>.
 
@@ -25,8 +25,7 @@
 
 /* Get some notion of the current stack.  Need not be exactly the top
    of the stack, just something somewhere in the current frame.  */
-#define CURRENT_STACK_FRAME  stack_pointer
-register char * stack_pointer __asm__ ("%esp");
+#define CURRENT_STACK_FRAME  __builtin_frame_address (0)
 
 
 /* Spinlock implementation; required.  */
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