update from main archive 960910
Wed Sep 11 02:57:31 1996 Ulrich Drepper <drepper@cygnus.com> * configure.in: Quote $add_ons argument in loop to generated prefices. Tue Sep 10 20:43:45 1996 Ulrich Drepper <drepper@cygnus.com> * db/makedb.c: Include <locale.h>. Reported by Fila Kolodny. Tue Sep 10 13:49:08 1996 Ulrich Drepper <drepper@cygnus.com> * inet/herrno.c: Initialize `h_errno' so that we can provide alias. * Makefile (version-info.h): Fix typo in shell script. * sysdeps/i386/i586/strlen.S: Optimize startup code a bit. * sysdeps/i386/i586/strchr.S: Likewise.
This commit is contained in:
Ulrich Drepper
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569c558c88
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19
ChangeLog
19
ChangeLog
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@ -1,3 +1,22 @@
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Wed Sep 11 02:57:31 1996 Ulrich Drepper <drepper@cygnus.com>
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* configure.in: Quote $add_ons argument in loop to generated
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prefices.
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Tue Sep 10 20:43:45 1996 Ulrich Drepper <drepper@cygnus.com>
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* db/makedb.c: Include <locale.h>. Reported by Fila Kolodny.
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Tue Sep 10 13:49:08 1996 Ulrich Drepper <drepper@cygnus.com>
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* inet/herrno.c: Initialize `h_errno' so that we can provide
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alias.
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* Makefile (version-info.h): Fix typo in shell script.
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* sysdeps/i386/i586/strlen.S: Optimize startup code a bit.
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* sysdeps/i386/i586/strchr.S: Likewise.
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Mon Sep 9 20:31:27 1996 Ulrich Drepper <drepper@cygnus.com>
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* version.c (banner): Report to bug-glibc@prep not @gnu.
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4
Makefile
4
Makefile
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@ -140,7 +140,7 @@ $(objpfx)version-info.h: $(..)Makefile $(+sysdir_pfx)config.make
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sed -e '/^#/d' -e 's/^[[:space:]]*/ /' $$dir/Banner; \
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fi; \
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done; \
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[ $first = yes ] || echo "\"") > $@-tmp
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[ $$first = yes ] || echo "\"") > $@-tmp
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mv -f $@-tmp $@
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version.c-objects := $(addprefix $(objpfx)version,$(object-suffixes))
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@ -251,7 +251,7 @@ distribute := README INSTALL FAQ NOTES NEWS PROJECTS \
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ansidecl.h mkinstalldirs move-if-change install-sh \
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configure configure.in aclocal.m4 config.sub config.guess\
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config.h.in config.make.in config-name.in Makefile.in \
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autolock.sh munch-tmpl.c munch.awk \
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autolock.sh munch-tmpl.c munch.awk \
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sysdep.h set-hooks.h libc-symbols.h version.h shlib-versions \
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rpm/Makefile rpm/template rpm/rpmrc
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2
configure
vendored
2
configure
vendored
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@ -690,7 +690,7 @@ ac_configure=$ac_aux_dir/configure # This should be Cygnus configure.
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subdirs="$add_ons"
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add_ons_pfx=
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if test x$add_ons != x; then
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if test x"$add_ons" != x; then
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for f in $add_ons; do
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add_ons_pfx="$add_ons_pfx $f/"
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done
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@ -78,7 +78,7 @@ AC_ARG_ENABLE(add-ons, dnl
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[add_ons=])
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AC_CONFIG_SUBDIRS($add_ons)
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add_ons_pfx=
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if test x$add_ons != x; then
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if test x"$add_ons" != x; then
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for f in $add_ons; do
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add_ons_pfx="$add_ons_pfx $f/"
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done
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@ -25,6 +25,7 @@ Boston, MA 02111-1307, USA. */
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#include <fcntl.h>
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#include <getopt.h>
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#include <libintl.h>
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#include <locale.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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@ -20,7 +20,7 @@ Boston, MA 02111-1307, USA. */
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/* We need to have the error status variable of the resolver
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accessible in the libc. */
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int __h_errno;
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int __h_errno = 0;
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strong_alias (__h_errno, h_errno)
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/* When threaded, h_errno may be a per-process variable. */
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@ -1,6 +1,6 @@
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/* strchr -- find character CH in a NUL terminated string.
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Highly optimized version for ix85, x>=5.
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Copyright (C) 1995 Free Software Foundation, Inc.
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Copyright (C) 1995, 1996 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
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@ -68,9 +68,10 @@ ENTRY (strchr)
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andl $3, %edi /* mask alignment bits */
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jz L11 /* alignment is 0 => start loop */
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jp L0 /* exactly two bits set */
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movb (%eax), %cl /* load single byte */
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cmpb %cl, %dl /* is byte == C? */
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cmpb (%eax), %dl /* is byte == C? */
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je L2 /* aligned => return pointer */
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@ -78,26 +79,21 @@ ENTRY (strchr)
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je L3 /* yes => return NULL */
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incl %eax /* increment pointer */
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cmp $3, %edi /* was alignment == 3? */
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xorl $3, %edi /* was alignment == 3? */
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L0: movb (%eax), %cl /* load single byte */
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je L11 /* yes => start loop */
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movb (%eax), %cl /* load single byte */
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cmpb %cl, %dl /* is byte == C? */
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je L2 /* aligned => return pointer */
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cmpb $0, %cl /* is byte NUL? */
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je L3 /* yes => return NULL */
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movb 1(%eax), %cl /* load single byte */
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incl %eax /* increment pointer */
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cmp $2, %edi /* was alignment == 2? */
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je L11 /* yes => start loop */
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movb (%eax), %cl /* load single byte */
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cmpb %cl, %dl /* is byte == C? */
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je L2 /* aligned => return pointer */
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cmpb $0, %cl /* is byte NUL? */
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@ -42,32 +42,31 @@ Boston, MA 02111-1307, USA. */
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.text
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ENTRY(strlen)
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movl 4(%esp), %eax /* get string pointer */
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movl $3, %edx /* load mask (= 3) */
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movl %eax, %ecx /* duplicate it */
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andl $3, %ecx /* mask alignment bits */
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andl %eax, %edx /* separate last two bits of address */
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jz L11 /* aligned => start loop */
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jz L1 /* aligned => start loop */
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jp L0 /* exactly two bits set */
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cmpb %ch, (%eax) /* is byte NUL? */
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cmpb %dh, (%eax) /* is byte NUL? */
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je L2 /* yes => return */
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incl %eax /* increment pointer */
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cmpl $3, %ecx /* was alignment = 3? */
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xorl $3, %edx /* was alignment = 3? */
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je L11 /* yes => now it is aligned and start loop */
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jz L1 /* yes => now it is aligned and start loop */
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cmpb %ch, (%eax) /* is byte NUL? */
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L0: cmpb %dh, (%eax) /* is byte NUL? */
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je L2 /* yes => return */
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incl %eax /* increment pointer */
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cmpl $2, %ecx /* was alignment = 2? */
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je L11 /* yes => now it is aligned and start loop */
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cmpb %ch, (%eax) /* is byte NUL? */
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cmpb %dh, (%eax) /* is byte NUL? */
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je L2 /* yes => return */
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incl %eax /* increment pointer */
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xorl %edx, %edx /* We need %edx == 0 for later */
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/* We exit the loop if adding MAGIC_BITS to LONGWORD fails to
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change any of the hole bits of LONGWORD.
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@ -88,8 +87,9 @@ ENTRY(strlen)
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into bit 16. Similarly, there will be a carry into bit
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24. If one of bits 24-31 is set, there will be a carry
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into bit 32 (=carry flag), so all of the hole bits will
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be changed. */
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L11: xorl %edx, %edx /* We need %edx == 0 for later */
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be changed.
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Note: %edx == 0 in any case here. */
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L1:
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movl (%eax), %ecx /* get word (= 4 bytes) in question */
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31
sysdeps/unix/sysv/linux/init-first.h
Normal file
31
sysdeps/unix/sysv/linux/init-first.h
Normal file
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@ -0,0 +1,31 @@
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/* The job of this fragment it to find argc and friends for INIT.
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This is done in one of two ways: either in the stack context
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of program start, or having dlopen pass them in. */
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#define SYSDEP_CALL_INIT(NAME, INIT) \
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void NAME (void *arg) \
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{ \
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int argc; \
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char **argv, **envp; \
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/* The next variable is only here to work around a bug in gcc <= 2.7.2.1. \
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If the address would be taken inside the expression the optimizer \
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would try to be too smart and throws it away. Grrr. */ \
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int *dummy_addr = &_dl_starting_up; \
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\
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__libc_multiple_libcs = dummy_addr && !_dl_starting_up; \
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\
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if (!__libc_multiple_libcs) \
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{ \
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argc = (int) arg; \
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argv = (char **) &arg + 1; \
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envp = &argv[argc+1]; \
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} \
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else \
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{ \
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argc = (int) arg; \
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argv = ((char ***) &arg)[1]; \
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envp = ((char ***) &arg)[2]; \
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} \
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\
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INIT (argc, argv, envp); \
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}
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