In order to edit orc_lookup table via sorttable, type of section
orc_lookup needs to be SHT_PROGBITS instead of SHT_NOBITS.

Linker script doesn't seem to allow manual specification of the section
type, so just write a byte into the section instead.

Signed-off-by: Josh Poimboeuf <jpoim...@redhat.com>
Signed-off-by: Huaixin Chang <changhuai...@linux.alibaba.com>
Signed-off-by: Shile Zhang <shile.zh...@linux.alibaba.com>
---
 include/asm-generic/vmlinux.lds.h | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/include/asm-generic/vmlinux.lds.h 
b/include/asm-generic/vmlinux.lds.h
index db600ef218d7..49f4f5bc6165 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -826,6 +826,8 @@
                . += (((SIZEOF(.text) + LOOKUP_BLOCK_SIZE - 1) /        \
                        LOOKUP_BLOCK_SIZE) + 1) * 4;                    \
                orc_lookup_end = .;                                     \
+               /* HACK: force SHT_PROGBITS so sorttable can edit: */   \
+               BYTE(1);                                                \
        }
 #else
 #define ORC_UNWIND_TABLE
-- 
2.14.4.44.g2045bb6

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