Remove HAVE_TLS_SUPPORT conditionals for ARM.
This commit is contained in:
Joseph Myers
parent
57d2b48d39
commit
6136cdd6dd
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@ -1,3 +1,12 @@
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2011-09-13 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/arm/elf/configure.in: Always test for TLS support and
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error out in case it is missing.
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* sysdeps/arm/elf/configure: Regenerate.
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* sysdeps/arm/nptl/tls.h,
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sysdeps/unix/sysv/linux/arm/aeabi_read_tp.S: Remove tests for
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HAVE_TLS_SUPPORT.
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2011-09-11 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/arm/dl-machine.h, sysdeps/arm/dl-tlsdesc.S,
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@ -1,13 +1,94 @@
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# as_fn_set_status STATUS
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# -----------------------
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# Set $? to STATUS, without forking.
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as_fn_set_status ()
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{
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return $1
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} # as_fn_set_status
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# as_fn_exit STATUS
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# -----------------
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# Exit the shell with STATUS, even in a "trap 0" or "set -e" context.
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as_fn_exit ()
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{
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set +e
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as_fn_set_status $1
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exit $1
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} # as_fn_exit
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if expr a : '\(a\)' >/dev/null 2>&1 &&
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test "X`expr 00001 : '.*\(...\)'`" = X001; then
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as_expr=expr
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else
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as_expr=false
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fi
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if (basename -- /) >/dev/null 2>&1 && test "X`basename -- / 2>&1`" = "X/"; then
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as_basename=basename
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else
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as_basename=false
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fi
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as_me=`$as_basename -- "$0" ||
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$as_expr X/"$0" : '.*/\([^/][^/]*\)/*$' \| \
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X"$0" : 'X\(//\)$' \| \
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X"$0" : 'X\(/\)' \| . 2>/dev/null ||
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$as_echo X/"$0" |
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sed '/^.*\/\([^/][^/]*\)\/*$/{
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s//\1/
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q
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}
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/^X\/\(\/\/\)$/{
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s//\1/
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q
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}
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/^X\/\(\/\).*/{
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s//\1/
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q
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}
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s/.*/./; q'`
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as_lineno_1=$LINENO as_lineno_1a=$LINENO
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as_lineno_2=$LINENO as_lineno_2a=$LINENO
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eval 'test "x$as_lineno_1'$as_run'" != "x$as_lineno_2'$as_run'" &&
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test "x`expr $as_lineno_1'$as_run' + 1`" = "x$as_lineno_2'$as_run'"' || {
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# Blame Lee E. McMahon (1931-1989) for sed's syntax. :-)
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sed -n '
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p
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/[$]LINENO/=
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' <$as_myself |
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sed '
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s/[$]LINENO.*/&-/
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t lineno
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b
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:lineno
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N
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:loop
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s/[$]LINENO\([^'$as_cr_alnum'_].*\n\)\(.*\)/\2\1\2/
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t loop
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s/-\n.*//
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' >$as_me.lineno &&
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chmod +x "$as_me.lineno" ||
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{ $as_echo "$as_me: error: cannot create $as_me.lineno; rerun with a POSIX shell" >&2; as_fn_exit 1; }
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# Don't try to exec as it changes $[0], causing all sort of problems
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# (the dirname of $[0] is not the place where we might find the
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# original and so on. Autoconf is especially sensitive to this).
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. "./$as_me.lineno"
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# Exit status is that of the last command.
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exit
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}
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# This file is generated from configure.in by Autoconf. DO NOT EDIT!
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# Local configure fragment for sysdeps/arm/elf.
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if test "$usetls" != no; then
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# Check for support of thread-local storage handling in assembler and
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# linker.
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echo "$as_me:$LINENO: checking for ARM TLS support" >&5
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echo $ECHO_N "checking for ARM TLS support... $ECHO_C" >&6
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if test "${libc_cv_arm_tls+set}" = set; then
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echo $ECHO_N "(cached) $ECHO_C" >&6
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for ARM TLS support" >&5
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$as_echo_n "checking for ARM TLS support... " >&6; }
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if ${libc_cv_arm_tls+:} false; then :
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$as_echo_n "(cached) " >&6
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else
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cat > conftest.s <<\EOF
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.section ".tdata", "awT", %progbits
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@ -21,25 +102,21 @@ bar: .skip 4
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.word foo(tlsgd)
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EOF
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if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
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{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
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{ { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
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(eval $ac_try) 2>&5
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ac_status=$?
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echo "$as_me:$LINENO: \$? = $ac_status" >&5
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(exit $ac_status); }; }; then
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; }; then
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libc_cv_arm_tls=yes
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else
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libc_cv_arm_tls=no
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fi
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rm -f conftest*
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fi
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echo "$as_me:$LINENO: result: $libc_cv_arm_tls" >&5
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echo "${ECHO_T}$libc_cv_arm_tls" >&6
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if test $libc_cv_arm_tls = yes; then
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cat >>confdefs.h <<\_ACEOF
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#define HAVE_TLS_SUPPORT 1
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_ACEOF
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_arm_tls" >&5
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$as_echo "$libc_cv_arm_tls" >&6; }
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if test $libc_cv_arm_tls = no; then
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as_fn_error $? "the assembler must support TLS" "$LINENO" 5
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fi
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#AC_DEFINE(PI_STATIC_AND_HIDDEN)
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@ -1,7 +1,6 @@
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GLIBC_PROVIDES dnl See aclocal.m4 in the top level source directory.
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# Local configure fragment for sysdeps/arm/elf.
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if test "$usetls" != no; then
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# Check for support of thread-local storage handling in assembler and
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# linker.
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AC_CACHE_CHECK(for ARM TLS support, libc_cv_arm_tls, [dnl
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@ -23,9 +22,8 @@ else
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libc_cv_arm_tls=no
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fi
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rm -f conftest*])
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if test $libc_cv_arm_tls = yes; then
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AC_DEFINE(HAVE_TLS_SUPPORT)
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fi
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if test $libc_cv_arm_tls = no; then
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AC_MSG_ERROR([the assembler must support TLS])
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fi
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dnl It is always possible to access static and hidden symbols in an
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@ -43,11 +43,6 @@ typedef union dtv
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#endif /* __ASSEMBLER__ */
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/* We require TLS support in the tools. */
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#ifndef HAVE_TLS_SUPPORT
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# error "TLS support is required."
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#endif
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#ifndef __ASSEMBLER__
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/* Get system call information. */
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@ -35,8 +35,6 @@
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#include <sysdep.h>
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#ifdef HAVE_TLS_SUPPORT
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/* GCC will emit calls to this routine under -mtp=soft. Linux has an
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equivalent helper function (which clobbers fewer registers than
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a normal function call) in a high page of memory; tail call to the
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@ -47,5 +45,3 @@ ENTRY (__aeabi_read_tp)
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mov r0, #0xffff0fff
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sub pc, r0, #31
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END (__aeabi_read_tp)
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#endif
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