this is weird because fno-builtin (which is set for AARCH64) should prevent
that.
Michael
On Thu, May 12, 2016 at 12:20 PM, Meenakshi Aggarwal <
meenakshi.aggar...@nxp.com> wrote:
> Hi,
>
>
> I made SavedDataGuid STATIC and issue goes away with this.
> Thanks for your help :)
>
>
> Any pointer for similar error in PrintLib.c:
> /home/tools/meenakshi/edk2/MdePkg/Library/BasePrintLib/PrintLib.c:415:
> undefined reference to `memcpy'
>
> Issue is coming on calling BasePrintLibSPrintMarker:
>
> UINTN
> EFIAPI
> AsciiVSPrint (
> OUT CHAR8 *StartOfBuffer,
> IN UINTN BufferSize,
> IN CONST CHAR8 *FormatString,
> IN VA_LIST Marker
> )
> {
> return BasePrintLibSPrintMarker (StartOfBuffer, BufferSize, 0,
> FormatString, Marker, NULL);
> }
>
>
> Thanks,
> Meenakshi
>
> -----Original Message---- -
> From: af...@apple.com [mailto:af...@apple.com]
> Sent: Thursday, May 12, 2016 12:23 PM
> To: Meenakshi Aggarwal <meenakshi.aggar...@nxp.com>
> Cc: edk2-devel@lists.01.org
> Subject: Re: [edk2] facing compilation failure : undefined reference to
> memcpy()
>
>
> > On May 11, 2016, at 11:45 PM, Meenakshi Aggarwal <
> meenakshi.aggar...@nxp.com> wrote:
> >
> > Hi,
> >
> > I am working on a 64 bit arm based SoC.
> >
> > I am uprev'ing my edk2 code base to latest master branch:
> > Commit id - ce1647fc608e8193b416a08da633019de611199c
> >
> >
> > I am able to compile my code successfully in DEBUG mode but in RELEASE
> mode I am facing following error:
> >
> >
> > Building ...
> > /home/tools/meenakshi/edk2/LS2080aRdbPkg/Library/LS2080aPrePi/PeiMPCor
> > e.inf [AARCH64] "aarch64-linux-gnu-ld" -o
> > /home/tools/meenakshi/edk2/Build/LS2080aRdb/RELEASE_GCC48/AARCH64/LS20
> > 80aRdbPkg/Library/LS2080aPrePi/PeiMPCore/DEBUG/ArmPlatformPrePiMPCore.
> > dll --emit-relocs -nostdlib --gc-sections -u _ModuleEntryPoint -e
> > _ModuleEntryPoint -Map
> > /home/tools/meenakshi/edk2/Build/LS2080aRdb/RELEASE_GCC48/AARCH64/LS20
> > 80aRdbPkg/Library/LS2080aPrePi/PeiMPCore/DEBUG/ArmPlatformPrePiMPCore.
> > map -z common-page-size=0x20 --start-group
> > @/home/tools/meenakshi/edk2/Build/LS2080aRdb/RELEASE_GCC48/AARCH64/LS2
> > 080aRdbPkg/Library/LS2080aPrePi/PeiMPCore/OUTPUT/static_library_files.
> > lst --end-group
> > --script=/home/tools/meenakshi/edk2/BaseTools/Scripts/GccBase.lds
> > --defsym=PECOFF_HEADER_SIZE=0x228
> >
> /home/tools/meenakshi/edk2/Build/LS2080aRdb/RELEASE_GCC48/AARCH64/MdePkg/Library/BasePrintLib/BasePrintLib/OUTPUT/BasePrintLib.lib(PrintLib.obj):
> In function `AsciiVSPrint':
> > /home/tools/meenakshi/edk2/MdePkg/Library/BasePrintLib/PrintLib.c:415:
> undefined reference to `memcpy'
> >
> /home/tools/meenakshi/edk2/Build/LS2080aRdb/RELEASE_GCC48/AARCH64/EmbeddedPkg/Library/PrePiExtractGuidedSectionLib/PrePiExtractGuidedSectionLib/OUTPUT/PrePiExtractGuidedSectionLib.lib(PrePiExtractGuidedSectionLib.obj):
> In function `GetSavedData':
> >
> /home/tools/meenakshi/edk2/EmbeddedPkg/Library/PrePiExtractGuidedSectionLib/PrePiExtractGuidedSectionLib.c:37:
> undefined reference to `memcpy'
> >
> /home/tools/meenakshi/edk2/Build/LS2080aRdb/RELEASE_GCC48/AARCH64/EmbeddedPkg/Library/PrePiExtractGuidedSectionLib/PrePiExtractGuidedSectionLib/OUTPUT/PrePiExtractGuidedSectionLib.lib(PrePiExtractGuidedSectionLib.obj):
> In function `ExtractGuidedSectionLibConstructor':
> >
> /home/tools/meenakshi/edk2/EmbeddedPkg/Library/PrePiExtractGuidedSectionLib/PrePiExtractGuidedSectionLib.c:219:
> undefined reference to `memcpy'
> > make: ***
> > [/home/tools/meenakshi/edk2/Build/LS2080aRdb/RELEASE_GCC48/AARCH64/LS2
> > 080aRdbPkg/Library/LS2080aPrePi/PeiMPCore/DEBUG/ArmPlatformPrePiMPCore
> > .dll] Error 1
> >
>
> This looks like a bug. The edk2 does not provide memcpy(), and the
> compiler will sometime generate a memcpy() call for an assignment that > 64
> bits. It kind of all depends on what the optimizer does.
>
> The error points to a GUID being assigned with =, and sizeof(GUID) == 16.
>
> PRE_PI_EXTRACT_GUIDED_SECTION_DATA *
> GetSavedData (
> VOID
> )
> {
> EFI_HOB_GUID_TYPE *GuidHob;
> GUID SavedDataGuid =
> PRE_PI_EXTRACT_GUIDED_SECTION_DATA_GUID;
>
> I would guess if you make SavedDataGuid static, or global the issue will
> go away.
>
> Thanks,
>
> Andrew Fish
>
>
> >
> > Please help what I am missing in my board package, some header file or
> library or anything else.
> > I tried compiling it with both AARCH64 toolchains gcc-4.8 and gcc-4.9,
> but no gain.
> >
> > Thanks,
> > Meenakshi
> >
> >
> > _______________________________________________
> > edk2-devel mailing list
> > edk2-devel@lists.01.org
> > https://lists.01.org/mailman/listinfo/edk2-devel
>
> _______________________________________________
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