[PATCH v6 23/33] arm64: head: Mark constants as data

From: Chen Zhongjin
Date: Wed Jun 22 2022 - 21:53:56 EST


Add data annotations to constants part of the image header.

Signed-off-by: Julien Thierry <jthierry@xxxxxxxxxx>
Signed-off-by: Chen Zhongjin <chenzhongjin@xxxxxxxxxx>
---
arch/arm64/kernel/head.S | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/kernel/head.S b/arch/arm64/kernel/head.S
index 2a66d18091eb..71580eb1fd51 100644
--- a/arch/arm64/kernel/head.S
+++ b/arch/arm64/kernel/head.S
@@ -63,10 +63,11 @@
/*
* DO NOT MODIFY. Image header expected by Linux boot-loaders.
*/
- efi_signature_nop // special NOP to identity as PE/COFF executable
+SYM_DATA_LOCAL(efi_nop, efi_signature_nop) // special NOP to identity as PE/COFF executable
UNWIND_HINT_EMPTY
b primary_entry // branch to kernel start, magic
- .quad 0 // Image load offset from start of RAM, little-endian
+SYM_DATA_LOCAL(_zero_reserved, .quad 0) // Image load offset from start of RAM, little-endian
+SYM_DATA_START_LOCAL(_arm64_common_header)
le64sym _kernel_size_le // Effective size of kernel image, little-endian
le64sym _kernel_flags_le // Informative flags, little-endian
.quad 0 // reserved
@@ -74,6 +75,7 @@
.quad 0 // reserved
.ascii ARM64_IMAGE_MAGIC // Magic number
.long .Lpe_header_offset // Offset to the PE header.
+SYM_DATA_END(_arm64_common_header)

__EFI_PE_HEADER

--
2.17.1