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2003-02-03  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/sparc/sparc32/elf/configure.in (BROKEN_SPARC_WDISP22): New
	check.
	* config.h.in (BROKEN_SPARC_WDISP22): Add.
This commit is contained in:
Ulrich Drepper 2003-02-04 08:41:05 +00:00
parent 663684b285
commit 6900ded22f
6 changed files with 66 additions and 2 deletions
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6
ChangeLog
View File

@ -1,3 +1,9 @@
2003-02-03 Jakub Jelinek <jakub@redhat.com>
* sysdeps/sparc/sparc32/elf/configure.in (BROKEN_SPARC_WDISP22): New
check.
* config.h.in (BROKEN_SPARC_WDISP22): Add.
2003-02-03 Ulrich Drepper <drepper@redhat.com>
* sysdeps/i386/i686/memmove.S: New file.

4
config.h.in
View File

@ -109,6 +109,10 @@
certain registers (CR0, MQ, CTR, LR) in asm statements. */
#undef BROKEN_PPC_ASM_CR0
/* Defined on SPARC if ld doesn't handle R_SPARC_WDISP22 against .hidden
symbol. sysdeps/sparc/sparc32/elf/configure. */
#undef BROKEN_SPARC_WDISP22
/* Define if the linker supports the -z combreloc option. */
#undef HAVE_Z_COMBRELOC

5
linuxthreads/ChangeLog
View File

@ -1,3 +1,8 @@
2003-02-03 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S (__vfork): If
BROKEN_SPARC_WDISP22, handle SHARED the same way as non-SHARED.
2003-02-04 Andreas Jaeger <aj@suse.de>
* sysdeps/unix/sysv/linux/hppa/pt-initfini.c: Do not use

4
linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
View File

@ -23,7 +23,7 @@
ENTRY(__vfork)
ld [%g7 + MULTIPLE_THREADS_OFFSET], %o0
cmp %o0, 0
#ifdef SHARED
#if defined SHARED && !defined BROKEN_SPARC_WDISP22
bne HIDDEN_JUMPTARGET(__fork)
#else
bne 1f
@ -35,7 +35,7 @@ ENTRY(__vfork)
sub %o1, 1, %o1
retl
and %o0, %o1, %o0
#ifndef SHARED
#if !defined SHARED || defined BROKEN_SPARC_WDISP22
1: mov %o7, %g1
call HIDDEN_JUMPTARGET(__fork)
mov %g1, %o7

32
sysdeps/sparc/sparc32/elf/configure vendored
View File

@ -55,3 +55,35 @@ _ACEOF
fi
fi
# Check for broken WDISP22 in the linker.
echo "$as_me:$LINENO: checking for sparc32 ld WDISP22 handling" >&5
echo $ECHO_N "checking for sparc32 ld WDISP22 handling... $ECHO_C" >&6
if test "${libc_cv_sparc32_wdisp22+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
echo 'bne foo; nop' > conftest1.s
echo '.globl foo; .hidden foo; foo: nop' > conftest2.s
libc_cv_sparc32_wdisp22=unknown
if { ac_try='${CC-cc} -nostdlib -shared $CFLAGS conftest1.s conftest2.s -o conftest.so 1>&5'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
if readelf -r conftest.so | grep -q R_SPARC_WDISP22; then
libc_cv_sparc32_wdisp22=broken
else
libc_cv_sparc32_wdisp22=ok
fi
fi
rm -f conftest*
fi
echo "$as_me:$LINENO: result: $libc_cv_sparc32_wdisp22" >&5
echo "${ECHO_T}$libc_cv_sparc32_wdisp22" >&6
if test $libc_cv_sparc32_wdisp22 != ok; then
cat >>confdefs.h <<\_ACEOF
#define BROKEN_SPARC_WDISP22 1
_ACEOF
fi

17
sysdeps/sparc/sparc32/elf/configure.in
View File

@ -41,3 +41,20 @@ if test $libc_cv_sparc32_tls = yes; then
AC_DEFINE(HAVE_TLS_SUPPORT)
fi
fi
# Check for broken WDISP22 in the linker.
AC_CACHE_CHECK(for sparc32 ld WDISP22 handling, libc_cv_sparc32_wdisp22, [dnl
echo 'bne foo; nop' > conftest1.s
echo '.globl foo; .hidden foo; foo: nop' > conftest2.s
libc_cv_sparc32_wdisp22=unknown
if AC_TRY_COMMAND(${CC-cc} -nostdlib -shared $CFLAGS conftest1.s conftest2.s -o conftest.so 1>&AS_MESSAGE_LOG_FD); then
if readelf -r conftest.so | grep -q R_SPARC_WDISP22; then
libc_cv_sparc32_wdisp22=broken
else
libc_cv_sparc32_wdisp22=ok
fi
fi
rm -f conftest*])
if test $libc_cv_sparc32_wdisp22 != ok; then
AC_DEFINE(BROKEN_SPARC_WDISP22)
fi