On 12/22/18 23:19, Rebecca Cran via edk2-devel wrote: > While the RELEASE build of OvmfPkgX64 works fine, the DEBUG build is failing > with undefined symbols AsmCpuid etc. when building on my FreeBSD 13-CURRENT > system. > I’m trying to build git revision 559a07d84e5af3db09ae91844e4cb924b8f60668 > (from Thu Dec 13 16:48:44 2018 -0700). > I’m building with gcc 7.4, running the command: > > build -p OvmfPkg/OvmfPkgX64.dsc -t GCC5 -b DEBUG -a X64 > > The last few lines of output are: > > > "gcc" -o > /home/bcran/workspace/edk2/Build/OvmfX64/DEBUG_GCC5/X64/IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2keyboardDxe/DEBUG/Ps2KeyboardDxe.dll > -nostdlib -Wl,-n,-q,--gc-sections -z common-page-size=0x40 > -Wl,--entry,_ModuleEntryPoint -u _ModuleEntryPoint > -Wl,-Map,/home/bcran/workspace/edk2/Build/OvmfX64/DEBUG_GCC5/X64/IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2keyboardDxe/DEBUG/Ps2KeyboardDxe.map,--whole-archive > -Wl,-melf_x86_64,--oformat=elf64-x86-64,-pie -flto -Os > -Wl,--start-group,@/home/bcran/workspace/edk2/Build/OvmfX64/DEBUG_GCC5/X64/IntelFrameworkModulePkg/Bus/Isa/Ps2KeyboardDxe/Ps2keyboardDxe/OUTPUT/static_library_files.lst,--end-group > -g -fshort-wchar -fno-builtin -fno-strict-aliasing -Wall -Werror > -Wno-array-bounds -ffunction-sections -fdata-sections -include AutoGen.h > -fno-common -DSTRING_ARRAY_NAME=Ps2KeyboardDxeStrings -m64 > -fno-stack-protector "-DEFIAPI=__attribute__((ms_abi))" > -maccumulate-outgoing-args -mno-red-zone -Wno-address -mcmodel=small -fpie > -fno-asynchronous-unwind-tables -Wno-address -flto -DUSING_LTO -Os -mno-mmx > -mno-sse -D DISABLE_NEW_DEPRECATED_INTERFACES > -Wl,--defsym=PECOFF_HEADER_SIZE=0x228 > -Wl,--script=/home/bcran/workspace/edk2/BaseTools/Scripts/GccBase.lds > -Wno-error > Building ... /home/bcran/workspace/edk2/PcAtChipsetPkg/IsaAcpiDxe/IsaAcpi.inf > [X64] > make: Nothing to be done for 'tbuild'. > Building ... > /home/bcran/workspace/edk2/MdeModulePkg/Library/FrameBufferBltLib/FrameBufferBltLib.inf > [X64] > Building ... > /home/bcran/workspace/edk2/MdeModulePkg/Universal/MemoryTest/NullMemoryTestDxe/NullMemoryTestDxe.inf > [X64] > make: Nothing to be done for 'tbuild'. > make: Nothing to be done for 'tbuild'. > make: Nothing to be done for 'tbuild'. > Building ... > /home/bcran/workspace/edk2/MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLib.inf > [X64] > /tmp//ccVNNewx.ltrans0.ltrans.o: In function `GetMemEncryptionAddressMask': > Building ... > /home/bcran/workspace/edk2/MdeModulePkg/Universal/HiiDatabaseDxe/HiiDatabaseDxe.inf > [X64] > /home/bcran/workspace/edk2/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.c:57: > undefined reference to `AsmCpuid' > /tmp//ccVNNewx.ltrans0.ltrans.o: In function > `WriteBackInvalidateDataCacheRange': > /home/bcran/workspace/edk2/MdePkg/Library/BaseCacheMaintenanceLib/X86Cache.c:141: > undefined reference to `AsmCpuid' > /home/bcran/workspace/edk2/MdePkg/Library/BaseCacheMaintenanceLib/X86Cache.c:143: > undefined reference to `AsmWbinvd' > /home/bcran/workspace/edk2/MdePkg/Library/BaseCacheMaintenanceLib/X86Cache.c:160: > undefined reference to `AsmFlushCacheLine' > make: Nothing to be done for 'tbuild'. > /tmp//ccVNNewx.ltrans0.ltrans.o: In function `IsReadOnlyPageWriteProtected': > make: Nothing to be done for 'tbuild'. > /home/bcran/workspace/edk2/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.c:521: > undefined reference to `AsmReadCr0' > /tmp//ccVNNewx.ltrans0.ltrans.o: In function > `DisableReadOnlyPageWriteProtect': > /home/bcran/workspace/edk2/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.c:534: > undefined reference to `AsmReadCr0' > Building ... > /home/bcran/workspace/edk2/MdeModulePkg/Bus/Pci/NvmExpressDxe/NvmExpressDxe.inf > [X64] > /home/bcran/workspace/edk2/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.c:534: > undefined reference to `AsmWriteCr0' > /tmp//ccVNNewx.ltrans0.ltrans.o: In function `SetMemoryEncDec': > /home/bcran/workspace/edk2/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.c:655: > undefined reference to `AsmReadCr3' > /tmp//ccVNNewx.ltrans0.ltrans.o: In function `EnableReadOnlyPageWriteProtect': > /home/bcran/workspace/edk2/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.c:545: > undefined reference to `AsmReadCr0' > /home/bcran/workspace/edk2/OvmfPkg/Library/BaseMemEncryptSevLib/X64/VirtualMemory.c:545: > undefined reference to `AsmWriteCr0' > /tmp//ccVNNewx.ltrans0.ltrans.o: In function `InternalMemEncryptSevIsEnabled': > /home/bcran/workspace/edk2/OvmfPkg/Library/BaseMemEncryptSevLib/MemEncryptSevLibInternal.c:52: > undefined reference to `AsmCpuid' > /home/bcran/workspace/edk2/OvmfPkg/Library/BaseMemEncryptSevLib/MemEncryptSevLibInternal.c:57: > undefined reference to `AsmCpuid' > /tmp//ccVNNewx.ltrans0.ltrans.o: In function `AsmReadMsr32': > /home/bcran/workspace/edk2/MdePkg/Library/BaseLib/X86Msr.c:39: undefined > reference to `AsmReadMsr64' > collect2: error: ld returned 1 exit status > make: *** [GNUmakefile:397: > /home/bcran/workspace/edk2/Build/OvmfX64/DEBUG_GCC5/X64/OvmfPkg/AmdSevDxe/AmdSevDxe/DEBUG/AmdSevDxe.dll] > Error 1
looks like an LTO bug in gcc-7 to me. I've googled LTO bugs with reference to gcc-7, and I've found two (in the gcc bugzilla tracker). Those had been reported for gcc-7.1 and gcc-7.2 though, and they should be fixed in gcc-7.4 (which is what you are using). Sorry, no better idea. Laszlo _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
