linux-kernel - [PATCH] recordmcount: Fix build failure on non arm64

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Message-Id: <5ca1be21fa6ebf73203b45fd9aadd2bafb5e6b15.1597049145.git.christophe.leroy@csgroup.eu>
Date:   Mon, 10 Aug 2020 08:48:22 +0000 (UTC)
From:   Christophe Leroy <christophe.leroy@...roup.eu>
To:     Gregory Herrero <gregory.herrero@...cle.com>,
        Steven Rostedt (VMware) <rostedt@...dmis.org>,
        Catalin Marinas <catalin.marinas@....com>
Cc:     linux-kernel@...r.kernel.org, linuxppc-dev@...ts.ozlabs.org,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH] recordmcount: Fix build failure on non arm64

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.")
Cc: Gregory Herrero <gregory.herrero@...cle.com>
Signed-off-by: Christophe Leroy <christophe.leroy@...roup.eu>
---
 scripts/recordmcount.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index e59022b3f125..b9c2ee7ab43f 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 '_') */
-- 
2.25.0