Ard: Another information. I try Steven change in https://github.com/shijunjing/edk2/tree/llvm_v2. With his patch, build -p OvmfPkg/OvmfPkgIa32X64.dsc -t GCC5 -DSECURE_BOOT_ENABLE=TRUE -a IA32 -a X64 can pass build.
Thanks Liming > -----Original Message----- > From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of > Gao, Liming > Sent: Monday, July 25, 2016 10:12 PM > To: Ard Biesheuvel <ard.biesheu...@linaro.org> > Cc: Justen, Jordan L <jordan.l.jus...@intel.com>; edk2-devel@lists.01.org; > ler...@redhat.com; leif.lindh...@linaro.org > Subject: Re: [edk2] [PATCH v3 0/6] BaseTools: add support for GCC5 in LTO > mode > > Without -DSECURE_BOOT_ENABLE=TRUE, OVMF on GCC5 in LTO mode can > pass build. > > From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of > Ard Biesheuvel > Sent: Monday, July 25, 2016 10:04 PM > To: Gao, Liming <liming....@intel.com> > Cc: Justen, Jordan L <jordan.l.jus...@intel.com>; edk2-devel@lists.01.org; > leif.lindh...@linaro.org; ler...@redhat.com > Subject: Re: [edk2] [PATCH v3 0/6] BaseTools: add support for GCC5 in LTO > mode > > > > On 25 jul. 2016, at 15:21, Gao, Liming wrote: > > > > Ard: > > After apply these patches, I try to build OvmfPkg with SECURE enable on > GCC5 in LTO mode. > > > Did you also try it without? > > > It reports build failure. Have you tried such build before? > > > > No I have not. > > > Build command: build -p OvmfPkg/OvmfPkgIa32X64.dsc -t GCC5 - > DSECURE_BOOT_ENABLE=TRUE -a IA32 -a X64 > > Build error message, seemly OpenSsl can't be linked with LTO. > > > > I will investigate. It indeed looks like an incompatibility with lto, I > should check > whether Arm is affected as well. > > Thanks, > Ard. > > > "gcc" -o > /home/hwu/work/lgao4/AllPkg/Build/Ovmf3264/DEBUG_GCC5/X64/MdeM > odulePkg/Universal/SecurityStubDxe/SecurityStubDxe/DEBUG/SecurityStub > Dxe.dll -nostdlib -Wl,-n,-q,--gc-sections -z common-page-size=0x40 -Wl,-- > entry,_ModuleEntryPoint -u _ModuleEntryPoint -Wl,- > Map,/home/hwu/work/lgao4/AllPkg/Build/Ovmf3264/DEBUG_GCC5/X64/M > deModulePkg/Universal/SecurityStubDxe/SecurityStubDxe/DEBUG/Security > StubDxe.map -Wl,-melf_x86_64,--oformat=elf64-x86-64 -Wl,--start- > group,@/home/hwu/work/lgao4/AllPkg/Build/Ovmf3264/DEBUG_GCC5/X64 > /MdeModulePkg/Universal/SecurityStubDxe/SecurityStubDxe/OUTPUT/stat > ic_library_files.lst,--end-group -Wl,--defsym=PECOFF_HEADER_SIZE=0x228 - > Wl,-- > script=/home/hwu/work/lgao4/AllPkg/edk2/BaseTools/Scripts/GccBase.lds > > /tmp/cc9uBgrd.ltrans0.ltrans.o: In function `DxeImageVerificationHandler': > > :(.text+0x1f13): undefined reference to `malloc' > > :(.text+0x1f7a): undefined reference to `free' > > :(.text+0x1f92): undefined reference to `malloc' > > :(.text+0x1fb9): undefined reference to `free' > > :(.text+0x1fe3): undefined reference to `free' > > :(.text+0x2027): undefined reference to `malloc' > > :(.text+0x20bf): undefined reference to `free' > > :(.text+0x2116): undefined reference to `free' > > :(.text+0x212d): undefined reference to `free' > > :(.text+0x213a): undefined reference to `free' > > :(.text+0x21f7): undefined reference to `free' > > /tmp/cc9uBgrd.ltrans0.ltrans.o::(.text+0x2204): more undefined > references to `free' follow > > /tmp/cc9uBgrd.ltrans8.ltrans.o: In function > `default_realloc_ex.lto_priv.190': > > :(.text+0x1): undefined reference to `realloc' > > /tmp/cc9uBgrd.ltrans8.ltrans.o: In function > `default_malloc_ex.lto_priv.187': > > :(.text+0x6): undefined reference to `malloc' > > /tmp/cc9uBgrd.ltrans8.ltrans.o: In function `CRYPTO_free': > > :(.text+0x613): undefined reference to `free' > > /tmp/cc9uBgrd.ltrans8.ltrans.o: In function `WrapPkcs7Data': > > :(.text.unlikely+0x72): undefined reference to `malloc' > > /tmp/cc9uBgrd.ltrans17.ltrans.o: In function `OPENSSL_gmtime': > > :(.text+0x176a): undefined reference to `malloc' > > /tmp/cc9uBgrd.ltrans18.ltrans.o: In function `RSA_free': > > :(.text+0x123a): undefined reference to `free' > > /tmp/cc9uBgrd.ltrans20.ltrans.o: In function `qsort': > > :(.text+0x1368): undefined reference to `malloc' > > :(.text+0x13bc): undefined reference to `malloc' > > :(.text+0x13b4): undefined reference to `free' > > /tmp/cc9uBgrd.ltrans27.ltrans.o: In function > `CRYPTO_realloc_clean.constprop.153': > > :(.text+0x20e): undefined reference to `free' > > /tmp/cc9uBgrd.ltrans27.ltrans.o:(.data.rel.ro.local+0x578): undefined > reference to `free' > > /usr/bin/ld: > /home/hwu/work/lgao4/AllPkg/Build/Ovmf3264/DEBUG_GCC5/X64/MdeM > odulePkg/Universal/SecurityStubDxe/SecurityStubDxe/DEBUG/SecurityStub > Dxe.dll: protected symbol `realloc' isn't defined > > /usr/bin/ld: final link failed: Bad value > > collect2: error: ld returned 1 exit status > > make: *** > [/home/hwu/work/lgao4/AllPkg/Build/Ovmf3264/DEBUG_GCC5/X64/MdeM > odulePkg/Universal/SecurityStubDxe/SecurityStubDxe/DEBUG/SecurityStub > Dxe.dll] Error 1 > > > > > > build.py... > > : error 7000: Failed to execute command > > make tbuild > [/home/hwu/work/lgao4/AllPkg/Build/Ovmf3264/DEBUG_GCC5/X64/MdeM > odulePkg/Universal/SecurityStubDxe/SecurityStubDxe] > > > > > > build.py... > > : error F002: Failed to build module > > > /home/hwu/work/lgao4/AllPkg/edk2/MdeModulePkg/Universal/SecuritySt > ubDxe/SecurityStubDxe.inf [X64, GCC5, DEBUG] > > > > Thanks > > Liming > >> -----Original Message----- > >> From: edk2-devel [mailto:edk2-devel-boun...@lists.01.org] On Behalf Of > >> Ard Biesheuvel > >> Sent: Saturday, July 23, 2016 5:03 PM > >> To: edk2-devel@lists.01.org<mailto:edk2-devel@lists.01.org>; > ler...@redhat.com<mailto:ler...@redhat.com>; Gao, Liming > >> ; Shi, Steven ; Zhu, > >> Yonghong ; Justen, Jordan L > >> > >> Cc: leif.lindh...@linaro.org<mailto:leif.lindh...@linaro.org>; Ard > Biesheuvel > >> Subject: [edk2] [PATCH v3 0/6] BaseTools: add support for GCC5 in LTO > mode > >> > >> This v3 to introduce GCC5 is now a 6 piece series, including some > >> preparatory cleanup patches that allow all GCC4x and CLANG35 toolchains > >> to switch to using 'gcc' as the linker. This allows us to get rid of > >> the wrapper script to marshall ld arguments in order to make them > >> understandable by gcc, which is fragile and likely to cause problems in > >> the future. > >> > >> Since there appears to be a natural split between the 'legacy' GCC > >> toolchains UNIXGCC, ELFGCC, and CYGGCC[xASL], both in term of > supported > >> architectures [IA32, X64, IPF] vs [IA32, X64, ARM, AARCH64], and in > >> terms of maintenance, these toolchains are not moved to using 'gcc' as > >> the linker, and instead, a new BUILDRULEFAMILY is introduced called > GCCLD > >> that will retain the old behavior. > >> > >> The result is that GCC5 can align much more closely with its predecessors, > >> making the expected maintenance burden of supporting GCC back to v4.4 > >> much lower. > >> > >> Changes since v2: > >> - add license headers to LTO glue files for ARM and AARCH64 (#5) > >> - get rid of lto-ld-wrapper script > >> > >> Ard Biesheuvel (6): > >> BaseTools CLANG35: drop problematic use-movt and save-temps options > >> ArmVirtPkg/ArmVirtPrePiUniCoreRelocatable: ignore .hash and .note > >> sections > >> BaseTools UNIXGCC ELFGCC CYGGCC: clone GCC build rule family into > >> GCCLD > >> BaseTools GCC: use 'gcc' as the linker command for GCC44 and later > >> ArmPkg: add prebuilt glue binaries for GCC5 LTO support > >> BaseTools GCC: add support for GCC v5.x in LTO mode > >> > >> ArmPkg/GccLto/liblto-aarch64.a | Bin 0 -> 1016 bytes > >> ArmPkg/GccLto/liblto-aarch64.s | 27 ++ > >> ArmPkg/GccLto/liblto-arm.a | Bin 0 -> 2096 bytes > >> ArmPkg/GccLto/liblto-arm.s | 61 ++++ > >> ArmVirtPkg/PrePi/ArmVirtPrePiUniCoreRelocatable.inf | 2 +- > >> ArmVirtPkg/PrePi/Scripts/PrePi-PIE.lds | 3 + > >> BaseTools/Conf/build_rule.template | 31 +- > >> BaseTools/Conf/tools_def.template | 344 ++++++++++++++------ > >> EmulatorPkg/Unix/Host/Host.inf | 6 +- > >> 9 files changed, 366 insertions(+), 108 deletions(-) > >> create mode 100644 ArmPkg/GccLto/liblto-aarch64.a > >> create mode 100644 ArmPkg/GccLto/liblto-aarch64.s > >> create mode 100644 ArmPkg/GccLto/liblto-arm.a > >> create mode 100644 ArmPkg/GccLto/liblto-arm.s > >> > >> -- > >> 2.7.4 > >> > >> _______________________________________________ > >> edk2-devel mailing list > >> edk2-devel@lists.01.org<mailto:edk2-devel@lists.01.org> > >> https://lists.01.org/mailman/listinfo/edk2-devel > > _______________________________________________ > > edk2-devel mailing list > > edk2-devel@lists.01.org<mailto:edk2-devel@lists.01.org> > > https://lists.01.org/mailman/listinfo/edk2-devel > _______________________________________________ > edk2-devel mailing list > edk2-devel@lists.01.org<mailto:edk2-devel@lists.01.org> > https://lists.01.org/mailman/listinfo/edk2-devel > _______________________________________________ > edk2-devel mailing list > edk2-devel@lists.01.org > https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
