linux-kernel - [PATCH v2 05/18] arm64: fix -m for GNU gold

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Message-Id: <20171115213428.22559-6-samitolvanen@google.com>
Date:   Wed, 15 Nov 2017 13:34:15 -0800
From:   Sami Tolvanen <samitolvanen@...gle.com>
To:     Alex Matveev <alxmtvv@...il.com>, Andi Kleen <ak@...ux.intel.com>,
        Ard Biesheuvel <ard.biesheuvel@...aro.org>,
        Greg Hackmann <ghackmann@...gle.com>,
        Kees Cook <keescook@...omium.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kbuild@...r.kernel.org,
        linux-kernel@...r.kernel.org, Mark Rutland <mark.rutland@....com>,
        Masahiro Yamada <yamada.masahiro@...ionext.com>,
        Maxim Kuvyrkov <maxim.kuvyrkov@...aro.org>,
        Michal Marek <michal.lkml@...kovi.net>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Yury Norov <ynorov@...iumnetworks.com>,
        Matthias Kaehlcke <mka@...omium.org>
Cc:     Sami Tolvanen <samitolvanen@...gle.com>
Subject: [PATCH v2 05/18] arm64: fix -m for GNU gold

GNU gold supports different emulations than bfd. Use aarch64_elf64_*_vec
instead of aarch64linux.

Signed-off-by: Sami Tolvanen <samitolvanen@...gle.com>
---
 arch/arm64/Makefile | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/arch/arm64/Makefile b/arch/arm64/Makefile
index ecd5ed11c764..6059c8169513 100644
--- a/arch/arm64/Makefile
+++ b/arch/arm64/Makefile
@@ -70,14 +70,22 @@ KBUILD_CPPFLAGS	+= -mbig-endian
 CHECKFLAGS	+= -D__AARCH64EB__
 AS		+= -EB
 LD		+= -EB
+ifeq ($(ld-name),gold)
+LDFLAGS		+= -maarch64_elf64_be_vec
+else
 LDFLAGS		+= -maarch64linuxb
+endif
 UTS_MACHINE	:= aarch64_be
 else
 KBUILD_CPPFLAGS	+= -mlittle-endian
 CHECKFLAGS	+= -D__AARCH64EL__
 AS		+= -EL
 LD		+= -EL
+ifeq ($(ld-name),gold)
+LDFLAGS		+= -maarch64_elf64_le_vec
+else
 LDFLAGS		+= -maarch64linux
+endif
 UTS_MACHINE	:= aarch64
 endif
 
-- 
2.15.0.448.gf294e3d99a-goog