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x86: efi: app: Generate Microsoft PE format compliant image

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Per Microsoft PE Format documentation [1], PointerToSymbolTable and
NumberOfSymbols should be zero for an image in the COFF file header.
Currently U-Boot is generating u-boot-app.efi in which these two
members are not zero.

This updates the build rules to tell linker to remove the symbol
table completely so that we can generate compliant *.efi images.

[1] https://docs.microsoft.com/zh-cn/windows/desktop/Debug/pe-format

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Bin Meng 2018-10-02 07:39:31 -07:00 committed by Alexander Graf
parent 972ffcd7b0
commit c54ed3ef5e
1 changed files with 1 additions and 1 deletions
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2
arch/x86/config.mk
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@ -65,7 +65,7 @@ CPPFLAGS_crt0-efi-$(EFIARCH).o += $(CFLAGS_EFI)
ifeq ($(CONFIG_EFI_APP),y)
PLATFORM_CPPFLAGS += $(CFLAGS_EFI)
LDFLAGS_FINAL += -znocombreloc -shared
LDFLAGS_FINAL += -znocombreloc -shared -s
LDSCRIPT := $(LDSCRIPT_EFI)
else