update from main archive 961126 cvs/libc-961127

Wed Nov 27 06:10:10 1996  Ulrich Drepper  <drepper@cygnus.com>

	* Makefile: Fix typo.

	* configure: Require autoconf-2.11.

	* elf/dl-deps.c: Terminate duplicate list.

	* libio/libio.h: Add prototypes for _IO_seekoff and _IO_seekpos.
	* libio/strfile.h: Update from current libg++.
	* libio/strops.c: Likewise.

	* login/Makefile (routines): Update after correction of reentrant
	interface.
	* login/endutent.c: Removed.
	* login/endutent_r.c: Likewise.
	* login/pututline.c: Likewise.
	* login/pututline_r.c: Likewise.
	* login/setutent.c: Likewise.
	* login/setutent_r.c: Likewise.
	* login/getutent.c: Update for new interface.
	* login/getutent_r.c: Likewise.
	* login/getutid.c: Likewise.
	* login/getutid_r.c: Likewise.
	* login/getutline.c: Likewise.
	* login/getutline_r.c: Likewise.
	* login/login.c: Likewise.
	* login/logout.c: Likewise.
	* login/logwtmp.c: Likewise.
	* login/utmp.h: Likewise.
	* sysdeps/unix/getlogin.c: Likewise.
	* sysdeps/unix/getlogin_r.c: Likewise.
	* login/utmp-private.h: New private header.
	* login/utmp_db.c: Stub DB backend for utmp handler.
	* login/utmp_file.c: File backend for utmp handler.
	* sysdeps/gnu/utmpbits.h (struct utmp): Add some more fields.
	(enum utlogin): List of record types.
	(struct exit_status): Record to align with other implementations.

	* sysdeps/generic/paths.h: Add _PATH_UTMP_DB.
	* sysdeps/unix/sysv/linux/paths.h: Likewise.

	* sysdeps/generic/pty.c: Use getgrnam_r instead of getgrnam.

	* sysdeps/stub/getlogin.c: Update copyright.
	* sysdeps/stub/getlogin_r.c: Likewise.

	* nss/getXXbyYY_r.c: Use -1l for error-pointer value instead of -1.
	* nss/getXXent_r.c: Likewise.
	* nss/nsswitch.c: Likewise.

	* posix/Makefile (headers): Add wait.h.
	* posix/wait.h: New file.

	* posix/sys/types.h: Always define intN_t types.

	* stdio-common/Makefile: Update copyright.
	Use -Wno-format flag for scanf4.c and scanf7.c.

	* stdlib/stdlib.h: Reformat.

	* time/africa: Update from ADO tzdata1996m.
	* time/antarctica: Likewise.
	* time/asia: Likewise.
	* time/australia: Likewise.
	* time/etcetera: Likewise.
	* time/europe: Likewise.
	* time/northamerica: Likewise.
	* time/southamerica: Likewise.
	* time/zone.tab: Likewise.

Fri Nov 22 19:34:12 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/posix/getcwd.c (__getcwd): After resizing the buffer
	move the current contents to the end and relocate file name
	pointer to upper half of the buffer.

Sun Nov 24 04:56:19 1996  Ulrich Drepper  <drepper@cygnus.com>

	* time/africa: Update from ADO tzdata1996m.
	* time/antarctica: Likewise.
	* time/asia: Likewise.
	* time/australia: Likewise.
	* time/etcetera: Likewise.
	* time/europe: Likewise.
	* time/nothamerica: Likewise.
	* time/southameria: Likewise.
	* time/zone.tab: Likewise.

	* sysdeps/unix/sysv/linux/sys/serial.h: New file.
	* sysdeps/unix/sysv/linux/Makefile [$(subdir)=misc] (sysdep_headers):
	Add sys/serial.h.
	* sysdeps/unix/sysv/linux/Dist: Add sys/serial.h.

	* posix/wait.h: New file.
	* posix/Makefile (headers): Add wait.h.

Sat Nov 23 17:27:52 1996  Roland McGrath  <roland@gnu.ai.mit.edu>

	* Makeconfig ($(common-objpfx)soversions.mk): Use regular
	expression instead of shell pattern matching.
	* shlib-versions: Change to regular expressions.

Sat Nov 23 13:24:55 1996  Ulrich Drepper  <drepper@cygnus.com>

	* io/stat.c: Add section from libgcc to copyright comment
	to allow this file to be statically linked in applications.
	* io/fstat.c: Likewise.
	* io/lstat.c: Likewise.
	* io/mknod.c: Likewise.

Fri Nov 22 15:14:23 1996  Ulrich Drepper  <drepper@cygnus.com>

	* csu/initfini.c: Add section from libgcc to copyright comment
	to allow this file to be statically linked in applications.

	* malloc/obstack.h [!_LIBC && !HAVE_STRING_H]: Define memcpy if
	not already defined.
	(obstack_grow, obstack_grow0): Correct placement of braces.

	* gnu-versions.h (_GNU_OBSTACK_INTERFACE_VERSION): Define to 2.
	* malloc/obstack.c (OBSTACK_INTERFACE_VERSION): Define to 2.

Thu Nov 21 19:54:51 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* Makerules (make-link): Simplify by changing directory only if
	not using rellns-sh; check whether we really have symbolic links.

	* rellns-sh: Fix the case of $(dirname $2) being a prefix of
	$(dirname $1); use status of ln for exit code; make more robust
	against multiple slashes in a row.

Thu Nov 21 13:05:21 1996  Thomas Bushnell, n/BSG  <thomas@gnu.ai.mit.edu>

	* configure.in (after AC_CANONICAL_HOST): mutate *-*-gnu* names
	into *-*-gnu-gnu*.
	* shlib-versions (gnu versions): Recognize *-*-gnu-gnu* instead of
	the three-part name, to distinguish correctly from *-*-linux-gnu*.

	* sysdeps/mach/hurd/Makefile ($(libdir)/libc.so): Depend on
	$(rpcuserlibs).

	* sysdeps/mach/hurd/Makefile (install-others): Add
	$(libdir)/libc_p.a.
	($(libdir)/libc_p.a): New rule.
	* sysdeps/mach/hurd/libc_p-ldscript: New file.
	* sysdeps/mach/hurd/Dist: Add libc_p-ldscript.

Wed Nov 20 20:28:21 1996  Richard Henderson  <rth@tamu.edu>

	* Makerules (make-link): Use $(shell) to find rellns-sh before we cd.
	* time/Makefile: Likewise.

	* sysdeps/alpha/elf/Makefile: New file.  Build crtbegin.o & crtend.o.
	* sysdeps/alpha/elf/Dist: New file.
	* sysdeps/alpha/elf/crtbegin.S, sysdeps/alpha/elf/crtend.S: New files.
	The bits currently distributed with GCC fail in two ways -- they don't
	understand multiple .got subsections and the extents of the lists are
	dynamicly bound meaning that the application's lists get executed
	multiple times and the library's lists never get executed.

Wed Nov 20 00:42:45 1996  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* stdlib/strtod.c: Fix previous change.

Wed Nov 20 22:07:58 1996  Andreas Jaeger  <aj@arthur.pfalz.de>

	* time/Makefile ($(installed-localtime-file)): Use $(..) to find
	rellns-sh script.

Wed Nov 20 12:50:54 1996  Ulrich Drepper  <drepper@cygnus.com>

	* stdio-common/Makefile: Add CFLAGS-scanf7.c to prevent warning.
	Likesie for scanf4.c

3 files changed, 185 insertions, 0 deletions

diff --git a/sysdeps/alpha/elf/Dist b/sysdeps/alpha/elf/Dist
new file mode 100644
index 0000000000..3e7010182b
--- /dev/null
+++ b/sysdeps/alpha/elf/Dist
@@ -0,0 +1,2 @@
+crtbegin.S
+crtend.S
diff --git a/sysdeps/alpha/elf/crtbegin.S b/sysdeps/alpha/elf/crtbegin.S
new file mode 100644
index 0000000000..f75673e35f
--- /dev/null
+++ b/sysdeps/alpha/elf/crtbegin.S
@@ -0,0 +1,91 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+   Contributed by Richard Henderson (rth@tamu.edu)
+
+   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.  */
+
+
+/*
+ * Heads of the constructor/destructor lists.
+ */
+
+/* The __*TOR_LIST__ symbols are not global because when this file is used
+   in a shared library, we do not want the symbol to fall over to the
+   application's lists.  */
+
+.section .ctors,"aw"
+
+	.align 3
+__CTOR_LIST__:
+	.quad -1
+
+.section .dtors,"aw"
+
+	.align 3
+__DTOR_LIST__:
+	.quad -1
+
+
+/*
+ * Fragment of the ELF _fini routine that invokes our dtor cleanup.
+ */
+
+.section .fini,"ax"
+
+	/* Since the bits of the _fini function are spread across many
+	   object files, each potentially with its own GP, we must
+	   assume we need to load ours.  Further, our .fini section
+	   can easily be more than 4MB away from our .text bits so we
+	   can't use bsr.  */
+
+	br      $gp,1f
+1:	ldgp    $gp,0($gp)
+	jsr     $26,__do_global_dtors_aux
+
+	/* Must match the alignment we got from crti.o else we get
+	  zero-filled holes in our _fini function and thense SIGILL.  */
+	.align 3
+
+/*
+ * Invoke our destructors in order.
+ */
+
+.text
+
+	.align 3
+	.ent __do_global_dtors_aux
+
+__do_global_dtors_aux:
+	.frame  $sp,16,$26,0
+	/* GP already loaded in .fini */
+	lda     $sp,-16($sp)
+	stq     $9,8($sp)
+	stq     $26,0($sp)
+	.mask   (1<<26)|(1<<9), -16
+	.prologue 1
+
+	lda     $9,__DTOR_LIST__
+	br      1f
+0:	jsr     $26,($27)
+1:	ldq     $27,8($9)
+	addq    $9,8,$9
+	bne     $27,0b
+
+	ldq     $26,0($sp)
+	ldq     $9,8($sp)
+	lda     $sp,16($sp)
+	ret
+
+	.end __do_global_dtors_aux
diff --git a/sysdeps/alpha/elf/crtend.S b/sysdeps/alpha/elf/crtend.S
new file mode 100644
index 0000000000..7f51d81da1
--- /dev/null
+++ b/sysdeps/alpha/elf/crtend.S
@@ -0,0 +1,92 @@
+/* Copyright (C) 1996 Free Software Foundation, Inc.
+   Contributed by Richard Henderson (rth@tamu.edu)
+
+   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.  */
+
+
+/*
+ * Tails of the constructor/destructor lists.
+ */
+
+/* The __*TOR_END__ symbols are not global because when this file is used
+   in a shared library, we do not want the symbol to fall over to the
+   application's lists.  */
+
+.section .ctors,"aw"
+
+	.align 3
+__CTOR_END__:
+	.quad   0
+
+.section .dtors,"aw"
+
+	.align 3
+__DTOR_END__:
+	.quad   0
+
+
+/*
+ * Fragment of the ELF _init routine that invokes our ctor startup
+ */
+
+.section .init,"ax"
+
+	/* Since the bits of the _init function are spread across many
+	   object files, each potentially with its own GP, we must
+	   assume we need to load ours.  Further, our .init section
+	   can easily be more than 4MB away from our .text bits so we
+	   can't use bsr.  */
+
+	br      $gp,1f
+1:	ldgp    $gp,0($gp)
+	jsr     $26,__do_global_ctors_aux
+
+	/* Must match the alignment we got from crti.o else we get
+	   zero-filled holes in our _init function and thense SIGILL.  */
+	.align 3
+
+/*
+ * Invoke our destructors in order.
+ */
+
+.text
+
+	.align 3
+	.ent __do_global_ctors_aux
+
+__do_global_ctors_aux:
+	.frame  $sp,16,$26,0
+	/* GP already loaded in .init.  */
+	lda     $sp,-16($sp)
+	stq     $9,8($sp)
+	stq     $26,0($sp)
+	.mask   (1<<26)|(1<<9), -16
+	.prologue 1
+
+	lda     $9,__CTOR_END__
+	br      1f
+0:	jsr     $26,($27)
+1:	ldq     $27,-8($9)
+	subq    $9,8,$9
+	not     $27,$0
+	bne     $0,0b
+
+	ldq     $26,0($sp)
+	ldq     $9,8($sp)
+	lda     $sp,16($sp)
+	ret
+
+	.end __do_global_ctors_aux