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From: "Ard Biesheuvel" <ard.biesheuvel@linaro.org>
Date: Sat, 15 Jun 2019 10:28:57 +0200
Message-ID: <CAKv+Gu9HAtptUKrtZe7LaQfTRZ26ofyT5QxEJjTR8jtGis15GQ@mail.gmail.com>
Subject: Re: [edk2-devel] [edk2-discuss] WriteSections64()
To: Russell Peterson <russell@mellanox.com>
Cc: "discuss@edk2.groups.io" <discuss@edk2.groups.io>, edk2-devel-groups-io <devel@edk2.groups.io>, 
	Laszlo Ersek <lersek@redhat.com>
Content-Type: text/plain; charset="UTF-8"

On Sat, 15 Jun 2019 at 02:17, Russell Peterson <russell@mellanox.com> wrote:
>
> Here is a sample of the gcc command line:
>
> "/x/sdk/sysroots/x86_64-pokysdk-linux/usr/bin/aarch64-poky-linux/aarch64-poky-linux-gcc"
> -I/x/edk2/edk2/MlxPlatformPkg/Include -march=armv8-a+crc -g -fshort-wchar
> -fno-builtin -fno-strict-aliasing -Wall -Werror -Wno-array-bounds -ffunction-sections -fdata-sections -incl\
> ude AutoGen.h -fno-common -DSTRING_ARRAY_NAME=BaseCryptLibStrings -g -Os -fshort-wchar -fno-builtin -fno-stri\
> ct-aliasing -Wall -Werror -Wno-array-bounds -include AutoGen.h -fno-common -mlittle-endian -fno-short-enums -\
> fverbose-asm -funsigned-char -ffunction-sections -fdata-sections -Wno-address -fno-asynchronous-unwind-tables\
>  -fno-pic -fno-pie -ffixed-x18 -flto -Wno-unused-but-set-variable -Wno-unused-const-variable -mcmodel=tiny -n\
> ostdinc -nostdlib -DUEFI_C_SOURCE -DMDEPKG_NDEBUG -c -o /x/RELEASE_GCC5/AARCH64/CryptoPkg/Library/
> BaseCryptLib/BaseCryptLib/OUTPUT/Pk/CryptX509.obj <-I include files left out> /x/edk2/CryptoPkg/Library/BaseCryptLib/Pk/CryptX509.c
>
> echo --strip-unneeded -R .eh_frame /x/edk2/Build/RELEASE_GCC5/AARC\
> H64/MdeModulePkg/Universal/Network/DpcDxe/DpcDxe/DEBUG/DpcDxe.dll
> --strip-unneeded -R .eh_frame /x/edk2/Build/RELEASE_GCC5/AARCH64/M\
> deModulePkg/Universal/Network/DpcDxe/DpcDxe/DEBUG/DpcDxe.dll
> echo  /x/edk2/Build/RELEASE_GCC5/AARCH64/MdeModulePkg/Universal/Ne\
> twork/DpcDxe/DpcDxe/DEBUG/DpcDxe.dll
>

Could you dump the section headers of such a .dll using readelf -S please?