Update.

2003-01-26  Andreas Schwab  <schwab@suse.de>

	* sysdeps/wordsize-32/divdi3.c: Export the functions only as
	compatibility symbols.  Remove INTDEF for __divdi3.
	* sysdeps/wordsize-32/lldiv.c: Don't use __divdi3_internal.
	* sysdeps/powerpc/powerpc32/divdi3.c: Remove.
	* sysdeps/powerpc/powerpc32/Makefile (CPPFLAGS-divdi3.c): Don't
	define.
	* sysdeps/powerpc/powerpc32/Dist: Remove divdi3.c.

2003-01-24  Jakub Jelinek  <jakub@redhat.com>

	* elf/tls-macros.h: Add SPARC 32-bit definitions.
	* sysdeps/sparc/sparc32/elf/configure.in: Add TLS check.
	* sysdeps/sparc/sparc32/dl-machine.h: Add dl_machine_h guards
	for the first half of the header.  Include tls.h.
	(elf_machine_type_class): Return ELF_RTYPE_CLASS_PLT for TLS
	relocs too.
	(elf_machine_rela): Handle TLS relocs.
	* sysdeps/sparc/dl-tls.h: New file.

	* sysdeps/unix/sysv/linux/sparc/sparc32/socket.S: Add cancellation
	support.

	* sysdeps/sparc/sparc32/sparcv9/hp-timing.h: Use %g6 instead of %g7.
	* sysdeps/sparc/sparc32/memchr.S: Likewise.
	* sysdeps/sparc/sparc32/memcpy.S: Likewise.
	* sysdeps/sparc/sparc32/strcat.S: Likewise.
	* sysdeps/sparc/sparc32/strchr.S: Likewise.
	* sysdeps/sparc/sparc32/strcmp.S: Likewise.
	* sysdeps/sparc/sparc32/strcpy.S: Likewise.
	* sysdeps/sparc/sparc64/sparcv9b/memcpy.S: Likewise.
	* sysdeps/sparc/sparc64/hp-timing.h: Likewise.
	* sysdeps/sparc/sparc64/memcpy.S: Likewise.
	* sysdeps/sparc/sparc64/stpcpy.S: Likewise.
	* sysdeps/sparc/sparc64/stpncpy.S: Likewise.
	* sysdeps/sparc/sparc64/strcat.S: Likewise.
	* sysdeps/sparc/sparc64/strchr.S: Likewise.
	* sysdeps/sparc/sparc64/strcmp.S: Likewise.
	* sysdeps/sparc/sparc64/strcpy.S: Likewise.
	* sysdeps/sparc/sparc64/strncmp.S: Likewise.
	* sysdeps/sparc/sparc64/strncpy.S: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise.

2003-01-24  Andreas Schwab  <schwab@suse.de>

	* elf/dl-close.c (_dl_close): Don't relocate DT_FINI_ARRAY
	elements, and process them backwards.
	* elf/Makefile ($(objpfx)tst-array4): New target.
	($(objpfx)tst-array4.out): Likewise.
	(tests) [$(have-initfini-array) = yes]: Add tst-array4.
	* elf/tst-array4.c: New file.
	* elf/tst-array4.exp: Likewise.

2003-01-24  Steven Munroe  <sjmunroe@us.ibm.com>

	* sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c: New file.

2003-01-27  Guido Guenther  <agx@sigxcpu.org>

	* sysdeps/unix/sysv/linux/mips/sysdep.h (SYSCALL_ERROR_LABEL): Define.
	* sysdeps/unix/sysv/linux/mips/pread.c: Add support for
	cancellation handling and handle both __NR_pread64 and __NR_pread.
	* sysdeps/unix/sysv/linux/mips/pread64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/pwrite.c: Add support for
	cancellation handling and handle both __NR_pwrite64 and __NR_pwrite.
	* sysdeps/unix/sysv/linux/mips/pwrite64.c: Likewise.
	* sysdeps/unix/mips/sysdep.S: Don't set errno in the _LIBC_REENTRANT
	case, use register names consistently.

2003-01-27  Wolfram Gloger  <wg@malloc.de>

	* malloc/hooks.c (mem2chunk_check): Check alignment of mem
	pointer, not of the computed chunk.  Bug report from Carlos
	O'Donell <carlos@baldric.uwo.ca>.

10 files changed, 188 insertions, 24 deletions

diff --git a/sysdeps/unix/mips/sysdep.S b/sysdeps/unix/mips/sysdep.S
index fa1bfa1722..c710b0c274 100644
--- a/sysdeps/unix/mips/sysdep.S
+++ b/sysdeps/unix/mips/sysdep.S
@@ -27,11 +27,11 @@ ENTRY(__syscall_error)
 #ifdef __PIC__
 	.set noreorder
 	.set	noat
-	move	$1, $31
-	bltzal	$0, 0f
+	move	AT, ra
+	bltzal	zero, 0f
 	nop
-0:	.cpload	$31
-	move	$31, $1
+0:	.cpload	ra
+	move	ra, AT
 	.set	at
 	.set	reorder
 #endif
@@ -51,9 +51,6 @@ ENTRY(__syscall_error)
 	li	v0, EAGAIN
 skip:
 #endif
-	/* Store it in the "real" variable ... */
-	sw v0, errno
-
 	/* Find our per-thread errno address  */
 	jal	__errno_location
 
@@ -75,11 +72,11 @@ ENTRY(__syscall_error)
 #ifdef __PIC__
 	.set	noreorder
 	.set	noat
-	move	$1, $31
-	bltzal	$0, 0f
+	move	AT, ra
+	bltzal	zero, 0f
 	nop
-0:	.cpload	$31
-	move	$31, $1
+0:	.cpload	ra
+	move	ra, AT
 	.set	at
 	.set	reorder
 #endif
diff --git a/sysdeps/unix/sysv/linux/mips/pread.c b/sysdeps/unix/sysv/linux/mips/pread.c
index 45305d2ccc..e6cb21ff93 100644
--- a/sysdeps/unix/sysv/linux/mips/pread.c
+++ b/sysdeps/unix/sysv/linux/mips/pread.c
@@ -22,12 +22,19 @@
 #include <unistd.h>
 #include <endian.h>
 
-#include <sysdep.h>
+#include <sysdep-cancel.h>
 #include <sys/syscall.h>
 #include <bp-checks.h>
 
 #include <kernel-features.h>
 
+#ifdef __NR_pread64             /* Newer kernels renamed but it's the same.  */
+# ifdef __NR_pread
+#  error "__NR_pread and __NR_pread64 both defined???"
+# endif
+# define __NR_pread __NR_pread64
+#endif
+
 #if defined __NR_pread || __ASSUME_PREAD_SYSCALL > 0
 
 # if __ASSUME_PREAD_SYSCALL == 0
@@ -48,6 +55,22 @@ __libc_pread (fd, buf, count, offset)
 {
   ssize_t result;
 
+  if (SINGLE_THREAD_P)
+    {
+     /* First try the syscall.  */
+     assert (sizeof (offset) == 4);
+     result = INLINE_SYSCALL (pread, 6, fd, CHECK_N (buf, count), count, 0,
+			      __LONG_LONG_PAIR (offset >> 31, offset));
+# if __ASSUME_PREAD_SYSCALL == 0
+     if (result == -1 && errno == ENOSYS)
+     /* No system call available.  Use the emulation.  */
+     result = __emulate_pread (fd, buf, count, offset);
+# endif
+     return result;
+    }
+
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
   /* First try the syscall.  */
   assert (sizeof (offset) == 4);
   result = INLINE_SYSCALL (pread, 6, fd, CHECK_N (buf, count), count, 0,
@@ -57,6 +80,9 @@ __libc_pread (fd, buf, count, offset)
     /* No system call available.  Use the emulation.  */
     result = __emulate_pread (fd, buf, count, offset);
 # endif
+
+  LIBC_CANCEL_RESET (oldtype);
+
   return result;
 }
 
diff --git a/sysdeps/unix/sysv/linux/mips/pread64.c b/sysdeps/unix/sysv/linux/mips/pread64.c
index d36d68967b..36ec100fb3 100644
--- a/sysdeps/unix/sysv/linux/mips/pread64.c
+++ b/sysdeps/unix/sysv/linux/mips/pread64.c
@@ -21,12 +21,19 @@
 #include <unistd.h>
 #include <endian.h>
 
-#include <sysdep.h>
+#include <sysdep-cancel.h>
 #include <sys/syscall.h>
 #include <bp-checks.h>
 
 #include <kernel-features.h>
 
+#ifdef __NR_pread64             /* Newer kernels renamed but it's the same.  */
+# ifdef __NR_pread
+#  error "__NR_pread and __NR_pread64 both defined???"
+# endif
+# define __NR_pread __NR_pread64
+#endif
+
 #if defined __NR_pread || __ASSUME_PREAD_SYSCALL > 0
 
 # if __ASSUME_PREAD_SYSCALL == 0
@@ -48,6 +55,23 @@ __libc_pread64 (fd, buf, count, offset)
 {
   ssize_t result;
 
+
+  if (SINGLE_THREAD_P)
+    {
+     /* First try the syscall.  */
+     result = INLINE_SYSCALL (pread, 6, fd, CHECK_N (buf, count), count, 0,
+			      __LONG_LONG_PAIR ((off_t) (offset >> 32),
+			      (off_t) (offset & 0xffffffff)));
+# if __ASSUME_PREAD_SYSCALL == 0
+     if (result == -1 && errno == ENOSYS)
+     /* No system call available.  Use the emulation.  */
+     result = __emulate_pread64 (fd, buf, count, offset);
+# endif
+     return result;
+    }
+
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
   /* First try the syscall.  */
   result = INLINE_SYSCALL (pread, 6, fd, CHECK_N (buf, count), count, 0,
 			   __LONG_LONG_PAIR ((off_t) (offset >> 32),
@@ -57,6 +81,9 @@ __libc_pread64 (fd, buf, count, offset)
     /* No system call available.  Use the emulation.  */
     result = __emulate_pread64 (fd, buf, count, offset);
 # endif
+
+  LIBC_CANCEL_RESET (oldtype);
+
   return result;
 }
 
diff --git a/sysdeps/unix/sysv/linux/mips/pwrite.c b/sysdeps/unix/sysv/linux/mips/pwrite.c
index 44f9d30ebf..f25e327877 100644
--- a/sysdeps/unix/sysv/linux/mips/pwrite.c
+++ b/sysdeps/unix/sysv/linux/mips/pwrite.c
@@ -22,12 +22,19 @@
 #include <unistd.h>
 #include <endian.h>
 
-#include <sysdep.h>
+#include <sysdep-cancel.h>
 #include <sys/syscall.h>
 #include <bp-checks.h>
 
 #include <kernel-features.h>
 
+#ifdef __NR_pwrite64            /* Newer kernels renamed but it's the same.  */
+# ifdef __NR_pwrite
+#  error "__NR_pwrite and __NR_pwrite64 both defined???"
+# endif
+# define __NR_pwrite __NR_pwrite64
+#endif
+
 #if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
 
 extern ssize_t __syscall_pwrite (int fd, const void *__unbounded buf, size_t count,
@@ -47,16 +54,35 @@ __libc_pwrite (fd, buf, count, offset)
 {
   ssize_t result;
 
+  if (SINGLE_THREAD_P)
+    {
+      /* First try the syscall.  */
+     assert (sizeof (offset) == 4);
+     result = INLINE_SYSCALL (pwrite, 6, fd, CHECK_N (buf, count), count, 0,
+			   __LONG_LONG_PAIR (offset >> 31, offset));
+# if __ASSUME_PWRITE_SYSCALL == 0
+     if (result == -1 && errno == ENOSYS)
+       /* No system call available.  Use the emulation.  */
+       result = __emulate_pwrite (fd, buf, count, offset);
+# endif
+
+      return result;
+    }
+
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
   /* First try the syscall.  */
   assert (sizeof (offset) == 4);
   result = INLINE_SYSCALL (pwrite, 6, fd, CHECK_N (buf, count), count, 0,
-			   __LONG_LONG_PAIR (offset >> 31, offset));
+		   __LONG_LONG_PAIR (offset >> 31, offset));
 # if __ASSUME_PWRITE_SYSCALL == 0
   if (result == -1 && errno == ENOSYS)
     /* No system call available.  Use the emulation.  */
     result = __emulate_pwrite (fd, buf, count, offset);
 # endif
 
+  LIBC_CANCEL_RESET (oldtype);
+
   return result;
 }
 
diff --git a/sysdeps/unix/sysv/linux/mips/pwrite64.c b/sysdeps/unix/sysv/linux/mips/pwrite64.c
index 4f7299ed47..0accc1d37b 100644
--- a/sysdeps/unix/sysv/linux/mips/pwrite64.c
+++ b/sysdeps/unix/sysv/linux/mips/pwrite64.c
@@ -21,12 +21,19 @@
 #include <unistd.h>
 #include <endian.h>
 
-#include <sysdep.h>
+#include <sysdep-cancel.h>
 #include <sys/syscall.h>
 #include <bp-checks.h>
 
 #include <kernel-features.h>
 
+#ifdef __NR_pwrite64            /* Newer kernels renamed but it's the same.  */
+# ifdef __NR_pwrite
+#  error "__NR_pwrite and __NR_pwrite64 both defined???"
+# endif
+# define __NR_pwrite __NR_pwrite64
+#endif
+
 #if defined __NR_pwrite || __ASSUME_PWRITE_SYSCALL > 0
 
 extern ssize_t __syscall_pwrite (int fd, const void *__unbounded buf, size_t count,
@@ -46,6 +53,23 @@ __libc_pwrite64 (fd, buf, count, offset)
 {
   ssize_t result;
 
+  if (SINGLE_THREAD_P)
+    {
+     /* First try the syscall.  */
+     result = INLINE_SYSCALL (pwrite, 6, fd, CHECK_N (buf, count), count, 0,
+			      __LONG_LONG_PAIR ((off_t) (offset >> 32),
+			     (off_t) (offset & 0xffffffff)));
+# if __ASSUME_PWRITE_SYSCALL == 0
+     if (result == -1 && errno == ENOSYS)
+     /* No system call available.  Use the emulation.  */
+     result = __emulate_pwrite64 (fd, buf, count, offset);
+# endif
+
+     return result;
+    }
+
+  int oldtype = LIBC_CANCEL_ASYNC ();
+
   /* First try the syscall.  */
   result = INLINE_SYSCALL (pwrite, 6, fd, CHECK_N (buf, count), count, 0,
 			   __LONG_LONG_PAIR ((off_t) (offset >> 32),
@@ -56,6 +80,8 @@ __libc_pwrite64 (fd, buf, count, offset)
     result = __emulate_pwrite64 (fd, buf, count, offset);
 # endif
 
+  LIBC_CANCEL_RESET (oldtype);
+
   return result;
 }
 
diff --git a/sysdeps/unix/sysv/linux/mips/sysdep.h b/sysdeps/unix/sysv/linux/mips/sysdep.h
index 1fd64e5bd5..710479ae18 100644
--- a/sysdeps/unix/sysv/linux/mips/sysdep.h
+++ b/sysdeps/unix/sysv/linux/mips/sysdep.h
@@ -33,7 +33,15 @@
 # define SYS_ify(syscall_name)	__NR_/**/syscall_name
 #endif
 
-#ifndef __ASSEMBLER__
+#ifdef __ASSEMBLER__
+
+/* We don't want the label for the error handler to be visible in the symbol
+   table when we define it here.  */
+#ifdef __PIC__
+# define SYSCALL_ERROR_LABEL 99b
+#endif
+
+#else   /* ! __ASSEMBLER__ */
 
 /* Define a macro which expands into the inline wrapper code for a system
    call.  */
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c
new file mode 100644
index 0000000000..26950aa097
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fe_nomask.c
@@ -0,0 +1,30 @@
+/* Procedure definition for FE_NOMASK_ENV for Linux/ppc64.
+   Copyright (C) 2003 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <fenv.h>
+#include <errno.h>
+#include <sys/prctl.h>
+
+const fenv_t *
+__fe_nomask_env (void)
+{
+  prctl (PR_SET_FPEXC, PR_FP_EXC_PRECISE);
+
+  return FE_ENABLED_ENV;
+}
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S b/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S
index 7bc734e38a..94b46e1849 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/socket.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 1998, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 1998, 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997.
 
@@ -17,7 +17,7 @@
    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
    02111-1307 USA.  */
 
-#include <sysdep.h>
+#include <sysdep-cancel.h>
 #include <socketcall.h>
 
 #define P(a, b) P2(a, b)
@@ -63,7 +63,12 @@ ENTRY (__socket)
 #endif
 #endif
 
-	mov P(SOCKOP_,socket), %o0	/* arg 1: socket subfunction */
+#if defined NEED_CANCELLATION && defined CENABLE
+	SINGLE_THREAD_P
+	cmp %g1, 0
+	bne .Lsocket_cancel
+#endif
+	 mov P(SOCKOP_,socket), %o0	/* arg 1: socket subfunction */
 	add %sp, 68, %o1		/* arg 2: parameter block */
 	LOADSYSCALL(socketcall)
 	t 0x10
@@ -72,6 +77,25 @@ ENTRY (__socket)
 	retl
 	 nop
 
+#if defined NEED_CANCELLATION && defined CENABLE
+.Lsocket_cancel:
+	save %sp, -96, %sp
+	CENABLE
+	 nop
+	mov %o0, %l0
+	add %sp, 68 + 96, %o1
+	mov P(SOCKOP_,socket), %o0
+	LOADSYSCALL(socketcall)
+	t 0x10
+	bcs __syscall_error_handler2
+	 mov %o0, %l1
+	CDISABLE
+	 mov %l0, %o0
+	jmpl %i7 + 8, %g0
+	 restore %g0, %l1, %o0
+	SYSCALL_ERROR_HANDLER2
+#endif
+
 	SYSCALL_ERROR_HANDLER
 
 END (__socket)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
index e362894e17..7bf63b9c54 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, January 1997.
 
@@ -131,7 +131,7 @@ SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler)			\
 	" sub	%%g0, %%o0, %%o0;"					\
 	"1:"
 
-#define __SYSCALL_CLOBBERS "g2", "g3", "g4", "g5", "g7",		\
+#define __SYSCALL_CLOBBERS "g2", "g3", "g4", "g5", "g6",		\
 	"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",			\
 	"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",		\
 	"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",		\
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
index a64da1a223..e2bb8631a3 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997, 2000, 2002 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 2000, 2002, 2003 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Richard Henderson <richard@gnu.ai.mit.edu>, 1997.
 
@@ -134,7 +134,7 @@ SYSCALL_ERROR_HANDLER_ENTRY(__syscall_error_handler)			\
 	" sub	%%g0, %%o0, %%o0;"					\
 	"1:"
 
-#define __SYSCALL_CLOBBERS "g2", "g3", "g4", "g5", "g7",		\
+#define __SYSCALL_CLOBBERS "g2", "g3", "g4", "g5", "g6",		\
 	"f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",			\
 	"f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",		\
 	"f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",		\