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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/ia64/scripts/toolchain-flags | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/ia64/scripts/toolchain-flags')
-rwxr-xr-x | arch/ia64/scripts/toolchain-flags | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/arch/ia64/scripts/toolchain-flags b/arch/ia64/scripts/toolchain-flags new file mode 100755 index 000000000..12dff5c98 --- /dev/null +++ b/arch/ia64/scripts/toolchain-flags @@ -0,0 +1,54 @@ +#!/bin/sh +# SPDX-License-Identifier: GPL-2.0 +# +# Check whether linker can handle cross-segment @segrel(): +# +CPPFLAGS="" +CC=$1 +OBJDUMP=$2 +READELF=$3 +dir=$(dirname $0) +tmp=${TMPDIR:-/tmp} +out=$tmp/out$$ + +# Check whether cross-segment segment-relative relocs work fine. We need +# that for building the gate DSO: + +$CC -nostdlib -static -Wl,-T$dir/check-segrel.lds $dir/check-segrel.S -o $out +res=$($OBJDUMP --full --section .rodata $out | fgrep 000 | cut -f3 -d' ') +rm -f $out +if [ $res != 00000a00 ]; then + CPPFLAGS="$CPPFLAGS -DHAVE_BUGGY_SEGREL" + cat >&2 <<EOF +warning: your linker cannot handle cross-segment segment-relative relocations. + please upgrade to a newer version (it is safe to use this linker, but + the kernel will be bigger than strictly necessary). +EOF +fi + +# Check whether .align inside a function works as expected. + +$CC -c $dir/check-text-align.S -o $out +$READELF -u $out | fgrep -q 'prologue(rlen=12)' +res=$? +rm -f $out +if [ $res -eq 0 ]; then + CPPFLAGS="$CPPFLAGS -DHAVE_WORKING_TEXT_ALIGN" +fi + +if ! $CC -c $dir/check-model.c -o $out 2>&1 | grep __model__ | grep -q attrib +then + CPPFLAGS="$CPPFLAGS -DHAVE_MODEL_SMALL_ATTRIBUTE" +fi +rm -f $out + +# Check whether assembler supports .serialize.{data,instruction} directive. + +$CC -c $dir/check-serialize.S -o $out 2>/dev/null +res=$? +rm -f $out +if [ $res -eq 0 ]; then + CPPFLAGS="$CPPFLAGS -DHAVE_SERIALIZE_DIRECTIVE" +fi + +echo $CPPFLAGS |