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-rw-r--r--tools/objtool/builtin-check.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c
index c063e1ff96b2..24fbe803a0d3 100644
--- a/tools/objtool/builtin-check.c
+++ b/tools/objtool/builtin-check.c
@@ -68,6 +68,7 @@ const struct option check_options[] = {
OPT_BOOLEAN('n', "noinstr", &opts.noinstr, "validate noinstr rules"),
OPT_BOOLEAN('o', "orc", &opts.orc, "generate ORC metadata"),
OPT_BOOLEAN('r', "retpoline", &opts.retpoline, "validate and annotate retpoline usage"),
+ OPT_BOOLEAN(0, "rethunk", &opts.rethunk, "validate and annotate rethunk usage"),
OPT_BOOLEAN(0, "unret", &opts.unret, "validate entry unret placement"),
OPT_BOOLEAN('l', "sls", &opts.sls, "validate straight-line-speculation mitigations"),
OPT_BOOLEAN('s', "stackval", &opts.stackval, "validate frame pointer rules"),
@@ -124,6 +125,7 @@ static bool opts_valid(void)
opts.noinstr ||
opts.orc ||
opts.retpoline ||
+ opts.rethunk ||
opts.sls ||
opts.stackval ||
opts.static_call ||
@@ -136,6 +138,11 @@ static bool opts_valid(void)
return true;
}
+ if (opts.unret && !opts.rethunk) {
+ ERROR("--unret requires --rethunk");
+ return false;
+ }
+
if (opts.dump_orc)
return true;