linux-kernel - [PATCH 5.4 127/152] recordmcount: Fix build failure on non arm64

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Message-Id: <20200820091600.309833017@linuxfoundation.org>
Date:   Thu, 20 Aug 2020 11:21:34 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        Christophe Leroy <christophe.leroy@...roup.eu>,
        "Steven Rostedt (VMware)" <rostedt@...dmis.org>,
        Gregory Herrero <gregory.herrero@...cle.com>,
        Catalin Marinas <catalin.marinas@....com>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.4 127/152] recordmcount: Fix build failure on non arm64

From: Christophe Leroy <christophe.leroy@...roup.eu>

[ Upstream commit 3df14264ad9930733a8166e5bd0eccc1727564bb ]

Commit ea0eada45632 leads to the following build failure on powerpc:

  HOSTCC  scripts/recordmcount
scripts/recordmcount.c: In function 'arm64_is_fake_mcount':
scripts/recordmcount.c:440: error: 'R_AARCH64_CALL26' undeclared (first use in this function)
scripts/recordmcount.c:440: error: (Each undeclared identifier is reported only once
scripts/recordmcount.c:440: error: for each function it appears in.)
make[2]: *** [scripts/recordmcount] Error 1

Make sure R_AARCH64_CALL26 is always defined.

Fixes: ea0eada45632 ("recordmcount: only record relocation of type R_AARCH64_CALL26 on arm64.")
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
Acked-by: Steven Rostedt (VMware) <rostedt@...dmis.org>
Acked-by: Gregory Herrero <gregory.herrero@...cle.com>
Cc: Gregory Herrero <gregory.herrero@...cle.com>
Link: https://lore.kernel.org/r/5ca1be21fa6ebf73203b45fd9aadd2bafb5e6b15.1597049145.git.christophe.leroy@csgroup.eu
Signed-off-by: Catalin Marinas <catalin.marinas@....com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 scripts/recordmcount.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index e59022b3f1254..b9c2ee7ab43fa 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -42,6 +42,8 @@
 #define R_ARM_THM_CALL		10
 #define R_ARM_CALL		28
 
+#define R_AARCH64_CALL26	283
+
 static int fd_map;	/* File descriptor for file being modified. */
 static int mmap_failed; /* Boolean flag. */
 static char gpfx;	/* prefix for global symbol name (sometimes '_') */
-- 
2.25.1