diff options
Diffstat (limited to 'sysdeps/arm/configure')
| -rw-r--r-- | sysdeps/arm/configure | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/sysdeps/arm/configure b/sysdeps/arm/configure index 52f2185c29..158116b5a7 100644 --- a/sysdeps/arm/configure +++ b/sysdeps/arm/configure @@ -260,6 +260,55 @@ if test $libc_cv_arm_pcrel_movw = yes; then fi +# This was buggy in assemblers from GNU binutils versions before 2.25.1 +# (it's known to be broken in 2.24 and 2.25; see +# https://sourceware.org/bugzilla/show_bug.cgi?id=18383). +{ $as_echo "$as_me:${as_lineno-$LINENO}: checking whether TPOFF relocs with addends are assembled correctly" >&5 +$as_echo_n "checking whether TPOFF relocs with addends are assembled correctly... " >&6; } +if ${libc_cv_arm_tpoff_addend+:} false; then : + $as_echo_n "(cached) " >&6 +else + +cat > conftest.s <<\EOF + .syntax unified + .arm + .arch armv7-a + + .text +foo: + .word tbase(tpoff)+4 + + .section .tdata,"awT",%progbits + .word -4 +tbase: .word 0 + .word 4 +EOF +libc_cv_arm_tpoff_addend=no +${CC-cc} -c $CFLAGS $CPPFLAGS \ + -o conftest.o conftest.s 1>&5 2>&5 && +LC_ALL=C $READELF -x.text conftest.o > conftest.x 2>&5 && +{ + cat conftest.x 1>&5 + $AWK 'BEGIN { result = 2 } +$1 ~ /0x0+/ && $2 ~ /[0-9a-f]+/ { +# Check for little-endian or big-endian encoding of 4 in the in-place addend. + result = ($2 == "04000000" || $2 == "00000004") ? 0 : 1 +} +END { exit(result) } +' conftest.x 2>&5 && libc_cv_arm_tpoff_addend=yes +} +rm -f conftest* +fi +{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_arm_tpoff_addend" >&5 +$as_echo "$libc_cv_arm_tpoff_addend" >&6; } +if test $libc_cv_arm_tpoff_addend = no; then + config_vars="$config_vars +test-xfail-tst-tlsalign = yes" + config_vars="$config_vars +test-xfail-tst-tlsalign-static = yes" +fi + + libc_cv_gcc_unwind_find_fde=no # Remove -fno-unwind-tables that was added in sysdeps/arm/preconfigure.ac. |