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| author | James Zern <jzern@google.com> | 2019-03-14 23:07:23 -0700 |
|---|---|---|
| committer | James Zern <jzern@google.com> | 2019-03-14 23:07:23 -0700 |
| commit | d2828f773fd034fb6c44f544e6c2db6e22ca4dc9 (patch) | |
| tree | ce89e7e67a7660d8cb05961f8f6bea8f45499734 | |
| parent | 3a0d78272f4a10835f9b2881405e1e62f0344335 (diff) | |
| download | libvpx-d2828f773fd034fb6c44f544e6c2db6e22ca4dc9.tar libvpx-d2828f773fd034fb6c44f544e6c2db6e22ca4dc9.tar.gz libvpx-d2828f773fd034fb6c44f544e6c2db6e22ca4dc9.tar.bz2 libvpx-d2828f773fd034fb6c44f544e6c2db6e22ca4dc9.zip | |
set_analyzer_env.sh: improve cfi diagnostics
use -fno-sanitize-trap=cfi to allow a diagnostic to be printed rather
than aborting with a SIGILL.
https://clang.llvm.org/docs/ControlFlowIntegrity.html#trapping-and-diagnostics
Change-Id: I4517cafe3c7b7305ba4845dbadf9fb679c686843
| -rw-r--r-- | tools/set_analyzer_env.sh | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/tools/set_analyzer_env.sh b/tools/set_analyzer_env.sh index 814a0e7fd..8ee0c4fe5 100644 --- a/tools/set_analyzer_env.sh +++ b/tools/set_analyzer_env.sh @@ -30,7 +30,7 @@ case "${sanitizer}" in *) echo "Usage: source set_analyzer_env.sh [<sanitizer>|clear]" echo " Supported sanitizers:" - echo " address integer memory thread undefined" + echo " address cfi integer memory thread undefined" return 1 ;; esac @@ -77,8 +77,8 @@ cflags="${cflags} -fno-optimize-sibling-calls" if [ "${sanitizer}" = "cfi" ]; then # https://clang.llvm.org/docs/ControlFlowIntegrity.html - cflags="${cflags} -flto -fvisibility=hidden" - ldflags="${ldflags} -flto -fuse-ld=gold" + cflags="${cflags} -fno-sanitize-trap=cfi -flto -fvisibility=hidden" + ldflags="${ldflags} -fno-sanitize-trap=cfi -flto -fuse-ld=gold" export AR="llvm-ar" fi |