From: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Date: Wed, 4 Jan 2023 22:43:08 +0000 (+0100)
Subject: efi_loader: make .data section of *_efi.so files RW
X-Git-Url: http://git.dujemihanovic.xyz/?a=commitdiff_plain;h=4bba71ff83e2b2a1607c5b3b9995767691242b29;p=u-boot.git

efi_loader: make .data section of *_efi.so files RW

When building with binutils 2.39 warnings

    *_efi.so has a LOAD segment with RWX permissions

occur.

Use SHF_WRITE | SHF_ALLOC as section flags for the .data section.

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
---

diff --git a/arch/arm/lib/elf_aarch64_efi.lds b/arch/arm/lib/elf_aarch64_efi.lds
index ffc6f6e604..3e3da47d6a 100644
--- a/arch/arm/lib/elf_aarch64_efi.lds
+++ b/arch/arm/lib/elf_aarch64_efi.lds
@@ -7,6 +7,12 @@
 
 OUTPUT_FORMAT("elf64-littleaarch64", "elf64-littleaarch64", "elf64-littleaarch64")
 OUTPUT_ARCH(aarch64)
+
+PHDRS
+{
+	data PT_LOAD FLAGS(3); /* SHF_WRITE | SHF_ALLOC */
+}
+
 ENTRY(_start)
 SECTIONS
 {
@@ -49,7 +55,7 @@ SECTIONS
 		. = ALIGN(512);
 		_bss_end = .;
 		_edata = .;
-	}
+	} :data
 	_data_size = _edata - _data;
 	.rela.dyn : { *(.rela.dyn) }
 	.rela.plt : { *(.rela.plt) }