From: Peter Zijlstra <peterz@infradead.org>
Date: Tue, 8 Mar 2022 15:30:16 +0000 (+0100)
Subject: objtool: Have WARN_FUNC fall back to sym+off
X-Git-Tag: v6.1-rc5~1704^2~50
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=5cff2086b01526b8c7deacc86473ffbab0cddfa9;p=platform%2Fkernel%2Flinux-starfive.git

objtool: Have WARN_FUNC fall back to sym+off

Currently WARN_FUNC() either prints func+off and failing that prints
sec+off, add an intermediate sym+off. This is useful when playing
around with entry code.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Acked-by: Josh Poimboeuf <jpoimboe@redhat.com>
Link: https://lore.kernel.org/r/20220308154317.461283840@infradead.org
---

diff --git a/tools/objtool/include/objtool/warn.h b/tools/objtool/include/objtool/warn.h
index d99c467..802cfda 100644
--- a/tools/objtool/include/objtool/warn.h
+++ b/tools/objtool/include/objtool/warn.h
@@ -22,6 +22,8 @@ static inline char *offstr(struct section *sec, unsigned long offset)
 	unsigned long name_off;
 
 	func = find_func_containing(sec, offset);
+	if (!func)
+		func = find_symbol_containing(sec, offset);
 	if (func) {
 		name = func->name;
 		name_off = offset - func->offset;