diff options
Diffstat (limited to 'tools/objtool')
| -rw-r--r-- | tools/objtool/check.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/tools/objtool/check.c b/tools/objtool/check.c index a0f762a15ad5..46621e8a80c1 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -108,6 +108,18 @@ static struct instruction *prev_insn_same_sym(struct objtool_file *file, for (insn = next_insn_same_sec(file, insn); insn; \ insn = next_insn_same_sec(file, insn)) +static bool is_jump_table_jump(struct instruction *insn) +{ + struct alt_group *alt_group = insn->alt_group; + + if (insn->jump_table) + return true; + + /* Retpoline alternative for a jump table? */ + return alt_group && alt_group->orig_group && + alt_group->orig_group->first_insn->jump_table; +} + static bool is_sibling_call(struct instruction *insn) { /* @@ -120,7 +132,7 @@ static bool is_sibling_call(struct instruction *insn) /* An indirect jump is either a sibling call or a jump to a table. */ if (insn->type == INSN_JUMP_DYNAMIC) - return list_empty(&insn->alts); + return !is_jump_table_jump(insn); /* add_jump_destinations() sets insn->call_dest for sibling calls. */ return (is_static_jump(insn) && insn->call_dest); |