linux-kernel - [PATCH v2] openrisc: Add _text symbol to fix ksym build error

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Message-Id: <1481722044-20901-1-git-send-email-shorne@gmail.com>
Date:   Wed, 14 Dec 2016 22:27:24 +0900
From:   Stafford Horne <shorne@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     openrisc@...ts.librecores.org, stefan.kristiansson@...nalahti.fi,
        jonas@...thpole.se, linux@...ck-us.net, fengguang.wu@...el.com,
        geert@...ux-m68k.org, Stafford Horne <shorne@...il.com>
Subject: [PATCH v2] openrisc: Add _text symbol to fix ksym build error

The build robot reports:

   .tmp_kallsyms1.o: In function `kallsyms_relative_base':
>> (.rodata+0x8a18): undefined reference to `_text'

This is when using 'make alldefconfig'. Adding this _text symbol to mark
the start of the kernel as in other architecture fixes this.

Signed-off-by: Stafford Horne <shorne@...il.com>
---
Change in v2:
 - dont add _data since its not needed

 arch/openrisc/kernel/vmlinux.lds.S | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/openrisc/kernel/vmlinux.lds.S b/arch/openrisc/kernel/vmlinux.lds.S
index ef31fc2..5525446 100644
--- a/arch/openrisc/kernel/vmlinux.lds.S
+++ b/arch/openrisc/kernel/vmlinux.lds.S
@@ -44,6 +44,8 @@ SECTIONS
         /* Read-only sections, merged into text segment: */
         . = LOAD_BASE ;
 
+	_text = .;
+
 	/* _s_kernel_ro must be page aligned */
 	. = ALIGN(PAGE_SIZE);
 	_s_kernel_ro = .;
-- 
2.7.4