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authorJosh Poimboeuf <jpoimboe@redhat.com>2022-04-18 19:50:38 +0300
committerPeter Zijlstra <peterz@infradead.org>2022-04-22 13:32:03 +0300
commit26e176896a5bb9222ae3433da902edd2566a61a4 (patch)
treece6ba0fdc6b1373f09692f2d151d3892125ffbb5 /tools/objtool
parent72064474964724c59ddff58a581a31b1ede75cf9 (diff)
downloadlinux-26e176896a5bb9222ae3433da902edd2566a61a4.tar.xz
objtool: Make static call annotation optional
As part of making objtool more modular, put the existing static call code behind a new '--static-call' option. 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/d59ac57ef3d6d8380cdce20322314c9e2e556750.1650300597.git.jpoimboe@redhat.com
Diffstat (limited to 'tools/objtool')
-rw-r--r--tools/objtool/builtin-check.c2
-rw-r--r--tools/objtool/check.c10
-rw-r--r--tools/objtool/include/objtool/builtin.h1
3 files changed, 9 insertions, 4 deletions
diff --git a/tools/objtool/builtin-check.c b/tools/objtool/builtin-check.c
index 30971cc50c63..c8c4d2bab42f 100644
--- a/tools/objtool/builtin-check.c
+++ b/tools/objtool/builtin-check.c
@@ -40,6 +40,7 @@ const struct option check_options[] = {
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 frame pointer rules"),
+ OPT_BOOLEAN('t', "static-call", &opts.static_call, "annotate static calls"),
OPT_BOOLEAN('u', "uaccess", &opts.uaccess, "validate uaccess rules for SMAP"),
OPT_CALLBACK_OPTARG(0, "dump", NULL, NULL, "orc", "dump metadata", parse_dump),
@@ -93,6 +94,7 @@ static bool opts_valid(void)
opts.retpoline ||
opts.sls ||
opts.stackval ||
+ opts.static_call ||
opts.uaccess) {
if (opts.dump_orc) {
fprintf(stderr, "--dump can't be combined with other options\n");
diff --git a/tools/objtool/check.c b/tools/objtool/check.c
index 3e02126738a1..b9ac351ea08b 100644
--- a/tools/objtool/check.c
+++ b/tools/objtool/check.c
@@ -3969,10 +3969,12 @@ int check(struct objtool_file *file)
warnings += ret;
}
- ret = create_static_call_sections(file);
- if (ret < 0)
- goto out;
- warnings += ret;
+ if (opts.static_call) {
+ ret = create_static_call_sections(file);
+ if (ret < 0)
+ goto out;
+ warnings += ret;
+ }
if (opts.retpoline) {
ret = create_retpoline_sites_sections(file);
diff --git a/tools/objtool/include/objtool/builtin.h b/tools/objtool/include/objtool/builtin.h
index 24a7ff4f37cc..dc4757205b8d 100644
--- a/tools/objtool/include/objtool/builtin.h
+++ b/tools/objtool/include/objtool/builtin.h
@@ -19,6 +19,7 @@ struct opts {
bool retpoline;
bool sls;
bool stackval;
+ bool static_call;
bool uaccess;
/* options: */