From: Peter Zijlstra <peterz@infradead.org>
To: x86@kernel.org, jpoimboe@redhat.com
Cc: linux-kernel@vger.kernel.org, peterz@infradead.org
Subject: [PATCH] objtool: Fix STACK_FRAME_NON_STANDARD reloc type
Date: Fri, 29 Apr 2022 11:20:24 +0200 [thread overview]
Message-ID: <20220429092024.GT2731@worktop.programming.kicks-ass.net> (raw)
STACK_FRAME_NON_STANDARD results in inconsistent relocation types
depending on .c or .S usage:
Relocation section '.rela.discard.func_stack_frame_non_standard' at offset 0x3c01090 contains 5 entries:
Offset Info Type Symbol's Value Symbol's Name + Addend
0000000000000000 00020c2200000002 R_X86_64_PC32 0000000000047b40 do_suspend_lowlevel + 0
0000000000000008 0002461e00000001 R_X86_64_64 00000000000480a0 machine_real_restart + 0
0000000000000010 0000001400000001 R_X86_64_64 0000000000000000 .rodata + b3d4
0000000000000018 0002444600000002 R_X86_64_PC32 00000000000678a0 __efi64_thunk + 0
0000000000000020 0002659d00000001 R_X86_64_64 0000000000113160 __crash_kexec + 0
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
---
include/linux/objtool.h | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
--- a/include/linux/objtool.h
+++ b/include/linux/objtool.h
@@ -137,7 +137,11 @@ struct unwind_hint {
.macro STACK_FRAME_NON_STANDARD func:req
.pushsection .discard.func_stack_frame_non_standard, "aw"
- .long \func - .
+#ifdef CONFIG_64BIT
+ .quad \func
+#else
+ .long \func
+#endif
.popsection
.endm
next reply other threads:[~2022-04-29 9:20 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-29 9:20 Peter Zijlstra [this message]
2022-04-29 12:00 ` [PATCH] objtool: Fix STACK_FRAME_NON_STANDARD reloc type Peter Zijlstra
2022-04-29 22:56 ` Josh Poimboeuf
2022-04-30 11:44 ` Peter Zijlstra
2022-05-02 17:59 ` Josh Poimboeuf
2022-05-04 15:42 ` Masami Hiramatsu
2022-05-04 15:23 ` Masami Hiramatsu
2022-04-29 20:13 ` Josh Poimboeuf
2022-04-29 21:22 ` [PATCH v2] " Peter Zijlstra
2022-04-29 21:53 ` Josh Poimboeuf
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