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Use dwarf exceptions on x86_64 as well

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SEH is the default on x86_64, but libcxxabi lacks support for it.
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Martin Storsjö committed 2017-11-30 09:04:32 +02:00
1 parent bceb7bc463
commit a3324bfb07
1 file changed
+10 -1
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wrappers/clang-target-wrapper
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@@ -5,11 +5,20 @@ EXE=$(basename $0 | sed 's/.*-\(clang.*\)/\1/')
# We could set these defaults in the clang frontend driver, but that's not yet merged upstream # We could set these defaults in the clang frontend driver, but that's not yet merged upstream
ARCH=$(echo $TARGET | sed 's/-.*//') ARCH=$(echo $TARGET | sed 's/-.*//')
case $ARCH in case $ARCH in
i686|x86_64) i686)
# Dwarf is the default for i686, but currently there's an issue
# in libunwind with unwinding clang generated dwarf opcodes on 32 bit
# x86, pending resolution at https://reviews.llvm.org/D38680.
EH_FLAG=-fsjlj-exceptions EH_FLAG=-fsjlj-exceptions
;; ;;
armv7|aarch64) armv7|aarch64)
# Dwarf is the default for these targets.
EH_FLAG= EH_FLAG=
;; ;;
x86_64)
# Explicitly request dwarf on x86_64; SEH is the default there but
# libcxxabi lacks support for it.
EH_FLAG=-fdwarf-exceptions
;;
esac esac
$DIR/$EXE -target $TARGET -rtlib=compiler-rt -stdlib=libc++ -fuse-ld=lld $EH_FLAG -Qunused-arguments "$@" $DIR/$EXE -target $TARGET -rtlib=compiler-rt -stdlib=libc++ -fuse-ld=lld $EH_FLAG -Qunused-arguments "$@"