alpha: Don't test toolchain support for TLS or GPREL

This commit is contained in:
Richard Henderson 2012-08-13 18:19:23 -07:00
parent 2e33ecdf8c
commit cc184e11fe
3 changed files with 9 additions and 241 deletions

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@ -1,5 +1,8 @@
2012-08-13 Richard Henderson <rth@twiddle.net>
* configure.in: Don't test toolchain support for TLS or GPREL.
* configure: Rebuild.
* sysdeps/alpha/fpu/s_nearbyint.c (nearbyintl): Do compat
with GLIBC_2_1.

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@ -1,176 +1,6 @@
# as_fn_set_status STATUS
# -----------------------
# Set $? to STATUS, without forking.
as_fn_set_status ()
{
return $1
} # as_fn_set_status
# as_fn_exit STATUS
# -----------------
# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
as_fn_exit ()
{
set +e
as_fn_set_status $1
exit $1
} # as_fn_exit
if expr a : '\(a\)' >/dev/null 2>&1 &&
test "X`expr 00001 : '.*\(...\)'`" = X001; then
as_expr=expr
else
as_expr=false
fi
if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
as_basename=basename
else
as_basename=false
fi
as_me=`$as_basename -- "$0" ||
$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
X"$0" : 'X\(//\)$' \| \
X"$0" : 'X\(/\)' \| . 2>/dev/null ||
$as_echo X/"$0" |
sed '/^.*\/\([^/][^/]*\)\/*$/{
s//\1/
q
}
/^X\/\(\/\/\)$/{
s//\1/
q
}
/^X\/\(\/\).*/{
s//\1/
q
}
s/.*/./; q'`
as_lineno_1=$LINENO as_lineno_1a=$LINENO
as_lineno_2=$LINENO as_lineno_2a=$LINENO
eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
# Blame Lee E. McMahon (1931-1989) for sed's syntax. :-)
sed -n '
p
/[$]LINENO/=
' <$as_myself |
sed '
s/[$]LINENO.*/&-/
t lineno
b
:lineno
N
:loop
s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
t loop
s/-\n.*//
' >$as_me.lineno &&
chmod +x "$as_me.lineno" ||
{ $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
# Don't try to exec as it changes $[0], causing all sort of problems
# (the dirname of $[0] is not the place where we might find the
# original and so on. Autoconf is especially sensitive to this).
. "./$as_me.lineno"
# Exit status is that of the last command.
exit
}
# This file is generated from configure.in by Autoconf. DO NOT EDIT!
# Local configure fragment for sysdeps/alpha.
# Check for support of thread-local storage handling in assembler and linker.
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for Alpha TLS support" >&5
$as_echo_n "checking for Alpha TLS support... " >&6; }
if ${libc_cv_alpha_tls+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.s <<\EOF
.section ".tdata", "awT", @progbits
.globl foo
foo: .quad 1
.section ".tbss", "awT", @nobits
.globl bar
bar: .skip 8
.text
baz:
.set nomacro
ldq $27, __tls_get_addr($29) !literal!1
ldq $16, a($29) !tlsgd!1
jsr $26, ($27), __tls_get_addr !lituse_tlsgd!1
jsr $26, ($27), __tls_get_addr !lituse_tlsldm!2
ldq $27, __tls_get_addr($29) !literal!2
ldq $16, b($29) !tlsldm!2
ldq $16, c($29) !tlsgd
ldq $16, d($29) !tlsldm
ldq $16, e($29) !tlsgd!3
ldq $16, f($29) !tlsldm!4
ldq $16, g($29) !gotdtprel
ldah $16, h($31) !dtprelhi
lda $16, i($16) !dtprello
lda $16, j($31) !dtprel
ldq $16, k($29) !gottprel
ldah $16, l($31) !tprelhi
lda $16, m($16) !tprello
lda $16, n($31) !tprel
EOF
if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
libc_cv_alpha_tls=yes
else
libc_cv_alpha_tls=no
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_alpha_tls" >&5
$as_echo "$libc_cv_alpha_tls" >&6; }
if test $libc_cv_alpha_tls = no; then
as_fn_error $? "the assembler must support TLS" "$LINENO" 5
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for GP relative module local relocs" >&5
$as_echo_n "checking for GP relative module local relocs... " >&6; }
if ${libc_cv_alpha_hidden_gprel+:} false; then :
$as_echo_n "(cached) " >&6
else
cat > conftest.c <<\EOF
static volatile int bar;
int baz __attribute__((visibility("hidden")));
int f(void) { return bar + baz; }
EOF
libc_cv_alpha_hidden_gprel=no
if { ac_try='${CC-cc} -S $CFLAGS -O2 -fpic conftest.c 1>&5'
{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
(eval $ac_try) 2>&5
ac_status=$?
$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
test $ac_status = 0; }; }; then
if grep -q 'bar.*!gprel' conftest.s \
&& grep -q 'baz.*!gprel' conftest.s \
&& ! grep -q 'bar.*!literal' conftest.s \
&& ! grep -q 'baz.*!literal' conftest.s; then
libc_cv_alpha_hidden_gprel=yes
fi
fi
rm -f conftest*
fi
{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_alpha_hidden_gprel" >&5
$as_echo "$libc_cv_alpha_hidden_gprel" >&6; }
if test $libc_cv_alpha_hidden_gprel = yes; then
$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h
fi
# With required gcc+binutils, we can always access static and hidden
# symbols in a position independent way.
$as_echo "#define PI_STATIC_AND_HIDDEN 1" >>confdefs.h

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@ -1,71 +1,6 @@
GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
# Local configure fragment for sysdeps/alpha.
# Check for support of thread-local storage handling in assembler and linker.
AC_CACHE_CHECK(for Alpha TLS support, libc_cv_alpha_tls, [dnl
cat > conftest.s <<\EOF
.section ".tdata", "awT", @progbits
.globl foo
foo: .quad 1
.section ".tbss", "awT", @nobits
.globl bar
bar: .skip 8
.text
baz:
.set nomacro
ldq $27, __tls_get_addr($29) !literal!1
ldq $16, a($29) !tlsgd!1
jsr $26, ($27), __tls_get_addr !lituse_tlsgd!1
jsr $26, ($27), __tls_get_addr !lituse_tlsldm!2
ldq $27, __tls_get_addr($29) !literal!2
ldq $16, b($29) !tlsldm!2
ldq $16, c($29) !tlsgd
ldq $16, d($29) !tlsldm
ldq $16, e($29) !tlsgd!3
ldq $16, f($29) !tlsldm!4
ldq $16, g($29) !gotdtprel
ldah $16, h($31) !dtprelhi
lda $16, i($16) !dtprello
lda $16, j($31) !dtprel
ldq $16, k($29) !gottprel
ldah $16, l($31) !tprelhi
lda $16, m($16) !tprello
lda $16, n($31) !tprel
EOF
dnl
if AC_TRY_COMMAND(${CC-cc} -c $CFLAGS conftest.s 1>&AS_MESSAGE_LOG_FD); then
libc_cv_alpha_tls=yes
else
libc_cv_alpha_tls=no
fi
rm -f conftest*])
if test $libc_cv_alpha_tls = no; then
AC_MSG_ERROR([the assembler must support TLS])
fi
AC_CACHE_CHECK(for GP relative module local relocs, libc_cv_alpha_hidden_gprel, [dnl
cat > conftest.c <<\EOF
static volatile int bar;
int baz __attribute__((visibility("hidden")));
int f(void) { return bar + baz; }
EOF
dnl
libc_cv_alpha_hidden_gprel=no
if AC_TRY_COMMAND(${CC-cc} -S $CFLAGS -O2 -fpic conftest.c 1>&AS_MESSAGE_LOG_FD); then
if grep -q 'bar.*!gprel' conftest.s \
&& grep -q 'baz.*!gprel' conftest.s \
&& ! grep -q 'bar.*!literal' conftest.s \
&& ! grep -q 'baz.*!literal' conftest.s; then
libc_cv_alpha_hidden_gprel=yes
fi
fi
rm -f conftest*])
if test $libc_cv_alpha_hidden_gprel = yes; then
AC_DEFINE(PI_STATIC_AND_HIDDEN)
fi
# With required gcc+binutils, we can always access static and hidden
# symbols in a position independent way.
AC_DEFINE(PI_STATIC_AND_HIDDEN)