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objtool: Make handle_insn_ops() unconditional

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Now that every instruction has a list of stack_ops; we can trivially
distinquish those instructions that do not have stack_ops, their list
is empty.

This means we can now call handle_insn_ops() unconditionally.

Suggested-by: Julien Thierry <jthierry@redhat.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Miroslav Benes <mbenes@suse.cz>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lkml.kernel.org/r/20200428191659.795115188@infradead.org
This commit is contained in:
Peter Zijlstra 2020-04-24 16:16:41 +02:00
parent 7d989fcadd
commit 60041bcd8f
1 changed files with 3 additions and 5 deletions
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8
tools/objtool/check.c
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@ -2259,6 +2259,9 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
return 0; return 0;
} }
if (handle_insn_ops(insn, &state))
return 1;
switch (insn->type) { switch (insn->type) {
case INSN_RETURN: case INSN_RETURN:
@ -2318,9 +2321,6 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
break; break;
case INSN_EXCEPTION_RETURN: case INSN_EXCEPTION_RETURN:
if (handle_insn_ops(insn, &state))
return 1;
/* /*
* This handles x86's sync_core() case, where we use an * This handles x86's sync_core() case, where we use an
* IRET to self. All 'normal' IRET instructions are in * IRET to self. All 'normal' IRET instructions are in
@ -2340,8 +2340,6 @@ static int validate_branch(struct objtool_file *file, struct symbol *func,
return 0; return 0;
case INSN_STACK: case INSN_STACK:
if (handle_insn_ops(insn, &state))
return 1;
break; break;
case INSN_STAC: case INSN_STAC: