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authorJosh Poimboeuf <jpoimboe@redhat.com>2022-04-18 09:50:33 -0700
committerPeter Zijlstra <peterz@infradead.org>2022-04-22 12:32:02 +0200
commit7dce62041ac34b613a5ed1bd937117e492e06dc8 (patch)
tree8c68d74e7cb605887ec35b63415235d5ab9464cf /tools/objtool/builtin-check.c
parentobjtool: Add option to print section addresses (diff)
downloadlinux-dev-7dce62041ac34b613a5ed1bd937117e492e06dc8.tar.xz
linux-dev-7dce62041ac34b613a5ed1bd937117e492e06dc8.zip
objtool: Make stack validation optional
Make stack validation an explicit cmdline option so that individual objtool features can be enabled individually by other arches. Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Reviewed-by: Miroslav Benes <mbenes@suse.cz> Link: https://lkml.kernel.org/r/52da143699574d756e65ca4c9d4acaffe9b0fe5f.1650300597.git.jpoimboe@redhat.com
Diffstat (limited to 'tools/objtool/builtin-check.c')
-rw-r--r--tools/objtool/builtin-check.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c
index 6acfebd2c6ca..d4e6930ad0a0 100644
--- a/tools/objtool/builtin-check.c
+++ b/tools/objtool/builtin-check.c
@@ -39,6 +39,7 @@ const struct option check_options[] = {
OPT_BOOLEAN('o', "orc", &opts.orc, "generate ORC metadata"),
OPT_BOOLEAN('r', "retpoline", &opts.retpoline, "validate and annotate retpoline usage"),
OPT_BOOLEAN('l', "sls", &opts.sls, "validate straight-line-speculation mitigations"),
+ OPT_BOOLEAN('s', "stackval", &opts.stackval, "validate stack unwinding rules"),
OPT_BOOLEAN('u', "uaccess", &opts.uaccess, "validate uaccess rules for SMAP"),
OPT_CALLBACK_OPTARG(0, "dump", NULL, NULL, "orc", "dump metadata", parse_dump),
@@ -92,6 +93,7 @@ static bool opts_valid(void)
opts.orc ||
opts.retpoline ||
opts.sls ||
+ opts.stackval ||
opts.uaccess) {
if (opts.dump_orc) {
fprintf(stderr, "--dump can't be combined with other options\n");