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From: Alexander Lobakin <alobakin@pm.me>
To: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
Cc: Arnd Bergmann <arnd@arndb.de>, Kees Cook <keescook@chromium.org>,
	Nathan Chancellor <natechancellor@gmail.com>,
	Nick Desaulniers <ndesaulniers@google.com>,
	Fangrui Song <maskray@google.com>,
	Huacai Chen <chenhuacai@kernel.org>,
	Pei Huang <huangpei@loongson.cn>,
	Jiaxun Yang <jiaxun.yang@flygoat.com>,
	Alexander Lobakin <alobakin@pm.me>,
	Sami Tolvanen <samitolvanen@google.com>,
	Ingo Molnar <mingo@kernel.org>,
	Ralf Baechle <ralf@linux-mips.org>,
	Corey Minyard <cminyard@mvista.com>,
	linux-mips@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arch@vger.kernel.org, stable@vger.kernel.org,
	clang-built-linux@googlegroups.com
Subject: [PATCH v3 mips-next 5/7] MIPS: vmlinux.lds.S: explicitly declare .got table
Date: Thu, 07 Jan 2021 11:54:11 +0000	[thread overview]
Message-ID: <20210107115329.281266-5-alobakin@pm.me> (raw)
In-Reply-To: <20210107115329.281266-1-alobakin@pm.me>

LLVM stack generates GOT table when building the kernel:

ld.lld: warning: <internal>:(.got) is being placed in '.got'

According to the debug assertions, it's not zero-sized and thus
can't be handled the same way as .rel.dyn (like it's done for x86).
Use the ARM/ARM64 path here and place it at the end of .text section.

Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Alexander Lobakin <alobakin@pm.me>
---
 arch/mips/kernel/vmlinux.lds.S | 1 +
 1 file changed, 1 insertion(+)

diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index 0f736d60d43e..4709959f6985 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -69,6 +69,7 @@ SECTIONS
 		*(.text.*)
 		*(.fixup)
 		*(.gnu.warning)
+		*(.got)
 	} :text = 0
 	_etext = .;	/* End of text section */
 
-- 
2.30.0



  parent reply	other threads:[~2021-01-07 11:55 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-01-07 11:51 [PATCH v3 mips-next 0/7] MIPS: vmlinux.lds.S sections fixes & cleanup Alexander Lobakin
2021-01-07 11:53 ` [PATCH v3 mips-next 1/7] MIPS: vmlinux.lds.S: add missing PAGE_ALIGNED_DATA() section Alexander Lobakin
2021-01-07 11:53   ` [PATCH v3 mips-next 2/7] MIPS: vmlinux.lds.S: add ".gnu.attributes" to DISCARDS Alexander Lobakin
2021-01-07 11:53   ` [PATCH v3 mips-next 3/7] MIPS: properly stop .eh_frame generation Alexander Lobakin
2021-01-07 11:54   ` [PATCH v3 mips-next 4/7] MIPS: vmlinux.lds.S: catch bad .rel.dyn at link time Alexander Lobakin
2021-01-07 11:54   ` Alexander Lobakin [this message]
2021-01-07 11:54   ` [PATCH v3 mips-next 6/7] vmlinux.lds.h: catch compound literals into data and BSS Alexander Lobakin
2021-01-07 11:54   ` [PATCH v3 mips-next 7/7] MIPS: select ARCH_WANT_LD_ORPHAN_WARN Alexander Lobakin
2021-01-07 12:30 ` [PATCH v3 mips-next 0/7] MIPS: vmlinux.lds.S sections fixes & cleanup Alexander Lobakin

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