From: Josh Poimboeuf Date: Thu, 21 Jan 2021 21:29:19 +0000 (-0600) Subject: objtool: Fix ".cold" section suffix check for newer versions of GCC X-Git-Tag: howlett/maple/20220722_2~3692^2~18 X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=34ca59e109bdf69704c33b8eeffaa4c9f71076e5;p=users%2Fjedix%2Flinux-maple.git objtool: Fix ".cold" section suffix check for newer versions of GCC With my version of GCC 9.3.1 the ".cold" subfunctions no longer have a numbered suffix, so the trailing period is no longer there. Presumably this doesn't yet trigger a user-visible bug since most of the subfunction detection logic is duplicated. I only found it when testing vmlinux.o validation. Fixes: 54262aa28301 ("objtool: Fix sibling call detection") Signed-off-by: Josh Poimboeuf Link: https://lore.kernel.org/r/ca0b5a57f08a2fbb48538dd915cc253b5edabb40.1611263461.git.jpoimboe@redhat.com --- diff --git a/tools/objtool/check.c b/tools/objtool/check.c index 081572170f6b..c964cd56b557 100644 --- a/tools/objtool/check.c +++ b/tools/objtool/check.c @@ -846,8 +846,8 @@ static int add_jump_destinations(struct objtool_file *file) * case where the parent function's only reference to a * subfunction is through a jump table. */ - if (!strstr(insn->func->name, ".cold.") && - strstr(insn->jump_dest->func->name, ".cold.")) { + if (!strstr(insn->func->name, ".cold") && + strstr(insn->jump_dest->func->name, ".cold")) { insn->func->cfunc = insn->jump_dest->func; insn->jump_dest->func->pfunc = insn->func;