linux-kernel - [PATCH 3/6] nds32/ftrace: Add RECORD

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Message-ID: <41567424a0ae2e4e268fa105cae2e5cc58333dcb.1534323834.git.zong@andestech.com>
Date:   Wed, 15 Aug 2018 17:35:20 +0800
From:   Zong Li <zong@...estech.com>
To:     <green.hu@...il.com>, <deanbo422@...il.com>, <rostedt@...dmis.org>,
        <mingo@...hat.com>, <arnd@...db.de>, <linux-kernel@...r.kernel.org>
CC:     <zongbox@...il.com>, <greentime@...estech.com>,
        Zong Li <zong@...estech.com>
Subject: [PATCH 3/6] nds32/ftrace: Add RECORD_MCOUNT support

Recognize NDS32 object files in recordmcount.pl.

Signed-off-by: Zong Li <zong@...estech.com>
---
 arch/nds32/Kconfig      | 1 +
 scripts/recordmcount.pl | 3 +++
 2 files changed, 4 insertions(+)

diff --git a/arch/nds32/Kconfig b/arch/nds32/Kconfig
index ae1a94ca..66d507d 100644
--- a/arch/nds32/Kconfig
+++ b/arch/nds32/Kconfig
@@ -42,6 +42,7 @@ config NDS32
 	select THREAD_INFO_IN_TASK
 	select HAVE_FUNCTION_TRACER
 	select HAVE_FUNCTION_GRAPH_TRACER
+	select HAVE_FTRACE_MCOUNT_RECORD
 	help
 	  Andes(nds32) Linux support.
 
diff --git a/scripts/recordmcount.pl b/scripts/recordmcount.pl
index fe06e77..f599031 100755
--- a/scripts/recordmcount.pl
+++ b/scripts/recordmcount.pl
@@ -389,6 +389,9 @@ if ($arch eq "x86_64") {
     $mcount_regex = "^\\s*([0-9a-fA-F]+):\\sR_RISCV_CALL\\s_mcount\$";
     $type = ".quad";
     $alignment = 2;
+} elsif ($arch eq "nds32") {
+    $mcount_regex = "^\\s*([0-9a-fA-F]+):\\s*R_NDS32_HI20_RELA\\s+_mcount\$";
+    $alignment = 2;
 } else {
     die "Arch $arch is not supported with CONFIG_FTRACE_MCOUNT_RECORD";
 }
-- 
2.7.4