Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2024-12-29 17:22:07 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

objtool: Warn about unknown annotation types

Browse Source 
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@kernel.org>
Link: https://lore.kernel.org/r/20241128094312.611961175@infradead.org
This commit is contained in:
Peter Zijlstra 2024-11-28 10:39:07 +01:00
parent 87116ae6da
commit e7e0eb53c2
1 changed files with 13 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
tools/objtool/check.c
View File

@ -2335,6 +2335,10 @@ static int __annotate_ifc(struct objtool_file *file, int type, struct instructio
static int __annotate_late(struct objtool_file *file, int type, struct instruction *insn) static int __annotate_late(struct objtool_file *file, int type, struct instruction *insn)
{ {
switch (type) { switch (type) {
case ANNOTYPE_NOENDBR:
/* early */
break;
case ANNOTYPE_RETPOLINE_SAFE: case ANNOTYPE_RETPOLINE_SAFE:
if (insn->type != INSN_JUMP_DYNAMIC && if (insn->type != INSN_JUMP_DYNAMIC &&
insn->type != INSN_CALL_DYNAMIC && insn->type != INSN_CALL_DYNAMIC &&
@ -2359,11 +2363,20 @@ static int __annotate_late(struct objtool_file *file, int type, struct instructi
insn->unret = 1; insn->unret = 1;
break; break;
case ANNOTYPE_IGNORE_ALTS:
/* early */
break;
case ANNOTYPE_INTRA_FUNCTION_CALL:
/* ifc */
break;
case ANNOTYPE_REACHABLE: case ANNOTYPE_REACHABLE:
insn->dead_end = false; insn->dead_end = false;
break; break;
default: default:
WARN_INSN(insn, "Unknown annotation type: %d", type);
break; break;
} }