+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.
+
Mon Sep 9 20:31:27 1996 Ulrich Drepper <drepper@cygnus.com>
* version.c (banner): Report to bug-glibc@prep not @gnu.
sed -e '/^#/d' -e 's/^[[:space:]]*/ /' $$dir/Banner; \
fi; \
done; \
- [ $first = yes ] || echo "\"") > $@-tmp
+ [ $$first = yes ] || echo "\"") > $@-tmp
mv -f $@-tmp $@
version.c-objects := $(addprefix $(objpfx)version,$(object-suffixes))
ansidecl.h mkinstalldirs move-if-change install-sh \
configure configure.in aclocal.m4 config.sub config.guess\
config.h.in config.make.in config-name.in Makefile.in \
- autolock.sh munch-tmpl.c munch.awk \
+ autolock.sh munch-tmpl.c munch.awk \
sysdep.h set-hooks.h libc-symbols.h version.h shlib-versions \
rpm/Makefile rpm/template rpm/rpmrc
subdirs="$add_ons"
add_ons_pfx=
-if test x$add_ons != x; then
+if test x"$add_ons" != x; then
for f in $add_ons; do
add_ons_pfx="$add_ons_pfx $f/"
done
[add_ons=])
AC_CONFIG_SUBDIRS($add_ons)
add_ons_pfx=
-if test x$add_ons != x; then
+if test x"$add_ons" != x; then
for f in $add_ons; do
add_ons_pfx="$add_ons_pfx $f/"
done
#include <fcntl.h>
#include <getopt.h>
#include <libintl.h>
+#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* We need to have the error status variable of the resolver
accessible in the libc. */
-int __h_errno;
+int __h_errno = 0;
strong_alias (__h_errno, h_errno)
/* When threaded, h_errno may be a per-process variable. */
/* strchr -- find character CH in a NUL terminated string.
Highly optimized version for ix85, x>=5.
-Copyright (C) 1995 Free Software Foundation, Inc.
+Copyright (C) 1995, 1996 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper, <drepper@gnu.ai.mit.edu>.
andl $3, %edi /* mask alignment bits */
jz L11 /* alignment is 0 => start loop */
+ jp L0 /* exactly two bits set */
movb (%eax), %cl /* load single byte */
- cmpb %cl, %dl /* is byte == C? */
+ cmpb (%eax), %dl /* is byte == C? */
je L2 /* aligned => return pointer */
je L3 /* yes => return NULL */
incl %eax /* increment pointer */
- cmp $3, %edi /* was alignment == 3? */
+ xorl $3, %edi /* was alignment == 3? */
+L0: movb (%eax), %cl /* load single byte */
je L11 /* yes => start loop */
- movb (%eax), %cl /* load single byte */
cmpb %cl, %dl /* is byte == C? */
-
je L2 /* aligned => return pointer */
cmpb $0, %cl /* is byte NUL? */
je L3 /* yes => return NULL */
+ movb 1(%eax), %cl /* load single byte */
incl %eax /* increment pointer */
- cmp $2, %edi /* was alignment == 2? */
- je L11 /* yes => start loop */
-
- movb (%eax), %cl /* load single byte */
cmpb %cl, %dl /* is byte == C? */
-
je L2 /* aligned => return pointer */
cmpb $0, %cl /* is byte NUL? */
.text
ENTRY(strlen)
movl 4(%esp), %eax /* get string pointer */
+ movl $3, %edx /* load mask (= 3) */
- movl %eax, %ecx /* duplicate it */
- andl $3, %ecx /* mask alignment bits */
+ andl %eax, %edx /* separate last two bits of address */
- jz L11 /* aligned => start loop */
+ jz L1 /* aligned => start loop */
+ jp L0 /* exactly two bits set */
- cmpb %ch, (%eax) /* is byte NUL? */
+ cmpb %dh, (%eax) /* is byte NUL? */
je L2 /* yes => return */
incl %eax /* increment pointer */
- cmpl $3, %ecx /* was alignment = 3? */
+ xorl $3, %edx /* was alignment = 3? */
- je L11 /* yes => now it is aligned and start loop */
+ jz L1 /* yes => now it is aligned and start loop */
- cmpb %ch, (%eax) /* is byte NUL? */
+L0: cmpb %dh, (%eax) /* is byte NUL? */
je L2 /* yes => return */
incl %eax /* increment pointer */
- cmpl $2, %ecx /* was alignment = 2? */
- je L11 /* yes => now it is aligned and start loop */
-
- cmpb %ch, (%eax) /* is byte NUL? */
+ cmpb %dh, (%eax) /* is byte NUL? */
je L2 /* yes => return */
incl %eax /* increment pointer */
+ xorl %edx, %edx /* We need %edx == 0 for later */
/* We exit the loop if adding MAGIC_BITS to LONGWORD fails to
change any of the hole bits of LONGWORD.
into bit 16. Similarly, there will be a carry into bit
24. If one of bits 24-31 is set, there will be a carry
into bit 32 (=carry flag), so all of the hole bits will
- be changed. */
-L11: xorl %edx, %edx /* We need %edx == 0 for later */
+ be changed.
+
+ Note: %edx == 0 in any case here. */
L1:
movl (%eax), %ecx /* get word (= 4 bytes) in question */
--- /dev/null
+/* The job of this fragment it to find argc and friends for INIT.
+ This is done in one of two ways: either in the stack context
+ of program start, or having dlopen pass them in. */
+
+#define SYSDEP_CALL_INIT(NAME, INIT) \
+void NAME (void *arg) \
+{ \
+ int argc; \
+ char **argv, **envp; \
+ /* The next variable is only here to work around a bug in gcc <= 2.7.2.1. \
+ If the address would be taken inside the expression the optimizer \
+ would try to be too smart and throws it away. Grrr. */ \
+ int *dummy_addr = &_dl_starting_up; \
+ \
+ __libc_multiple_libcs = dummy_addr && !_dl_starting_up; \
+ \
+ if (!__libc_multiple_libcs) \
+ { \
+ argc = (int) arg; \
+ argv = (char **) &arg + 1; \
+ envp = &argv[argc+1]; \
+ } \
+ else \
+ { \
+ argc = (int) arg; \
+ argv = ((char ***) &arg)[1]; \
+ envp = ((char ***) &arg)[2]; \
+ } \
+ \
+ INIT (argc, argv, envp); \
+}
projects / thirdparty / glibc.git / commitdiff
