OK, as follows ./tools/gollvm/libgo/CMakeFiles/libgo_c_piclib.dir/__/gofrontend/libgo/go/syscall/errno.c.o: file format elf64-x86-64
Disassembly of section .text.syscall.GetErrno: 0000000000000000 <syscall.GetErrno>: 0: f3 0f 1e fa endbr64 4: 64 48 3b 24 25 70 00 cmp %fs:0x70,%rsp b: 00 00 d: 72 11 jb 20 <syscall.GetErrno+0x20> f: 48 83 ec 08 sub $0x8,%rsp 13: e8 00 00 00 00 callq 18 <syscall.GetErrno+0x18> 14: R_X86_64_PLT32 __errno_location-0x4 18: 48 63 00 movslq (%rax),%rax 1b: 48 83 c4 08 add $0x8,%rsp 1f: c3 retq 20: 41 ba 08 00 00 00 mov $0x8,%r10d 26: 45 31 db xor %r11d,%r11d 29: e8 00 00 00 00 callq 2e <syscall.GetErrno+0x2e> 2a: R_X86_64_PLT32 __morestack-0x4 2e: c3 retq 2f: f3 0f 1e fa endbr64 33: eb da jmp f <syscall.GetErrno+0xf> On Tuesday, May 26, 2020 at 10:44:03 PM UTC+8, Than McIntosh wrote: > > OK. Just to confirm, what do you see from > > objdump -dr > ./tools/gollvm/libgo/CMakeFiles/libgo_c_piclib.dir/__/gofrontend/libgo/go/syscall/errno.c.o > > for the prolog of syscall.Geterrno. Should be something like > > Disassembly of section .text.syscall.GetErrno: > > 0000000000000000 <syscall.GetErrno>: > 0: 64 48 3b 24 25 70 00 cmp %fs:0x70,%rsp > 7: 00 00 > 9: 72 11 jb 1c <syscall.GetErrno+0x1c> > b: 48 83 ec 08 sub $0x8,%rsp > f: e8 00 00 00 00 callq 14 <syscall.GetErrno+0x14> > 10: R_X86_64_PLT32 __errno_location-0x4 > > Thanks, Than > > ? > > On Tue, May 26, 2020 at 10:05 AM Yuan Ting <yuan...@ict.ac.cn > <javascript:>> wrote: > >> Fine, that is >> >> [1/3] /usr/bin/cc -D_DEBUG -D_GNU_SOURCE -D__STDC_CONSTANT_MACROS >> -D__STDC_FORMAT_MACROS -D__STDC_LIMIT_MACROS -Itools/gollvm/libgo >> -I/root/llvm-project/llvm/tools/gollvm/libgo -Iinclude >> -I/root/llvm-project/llvm/include >> -I/root/llvm-project/llvm/tools/gollvm/gofrontend/libgo/runtime >> -Itools/gollvm/libgo/runtime >> -I/root/llvm-project/llvm/tools/gollvm/libgo/libbacktrace -fPIC >> -Werror=date-time -Wall -Wextra -Wno-unused-parameter -Wwrite-strings >> -Wno-missing-field-initializers -pedantic -Wno-long-long >> -Wimplicit-fallthrough -Wno-comment -fdiagnostics-color -ffunction-sections >> -fdata-sections -O3 -fPIC -g -Wno-zero-length-array -fsplit-stack >> -D_GNU_SOURCE -D_LARGEFILE_SOURCE -D_FILE_OFFSET_BITS=64 -UNDEBUG -MD -MT >> tools/gollvm/libgo/CMakeFiles/libgo_c_piclib.dir/__/gofrontend/libgo/go/syscall/errno.c.o >> >> -MF >> tools/gollvm/libgo/CMakeFiles/libgo_c_piclib.dir/__/gofrontend/libgo/go/syscall/errno.c.o.d >> >> -o >> tools/gollvm/libgo/CMakeFiles/libgo_c_piclib.dir/__/gofrontend/libgo/go/syscall/errno.c.o >> >> -c /root/llvm-project/llvm/tools/gollvm/gofrontend/libgo/go/syscall/errno.c >> >> On Tuesday, May 26, 2020 at 8:41:18 PM UTC+8, Than McIntosh wrote: >>> >>> OK. >>> >>> I'm wondering if for some reason the fix I put in is not effective. >>> >>> Could you please try this in your build area: >>> >>> rm >>> ./tools/gollvm/libgo/CMakeFiles/libgo_c_piclib.dir/__/gofrontend/libgo/go/syscall/errno.c.o >>> ninja -v libgo_all >>> >>> and post the compile line for errno.c? >>> >>> Thanks, Than >>> >>> >>> >>> >>> On Tue, May 26, 2020 at 7:21 AM Yuan Ting <yuan...@ict.ac.cn> wrote: >>> >>>> Yes, I'm sure I fetched the last version of gollvm, >>>> i.e. 0edc44a02852dd0d56cac35163a45634b497d6cd >>>> >>>> On Tuesday, May 26, 2020 at 6:55:08 PM UTC+8, Than McIntosh wrote: >>>>> >>>>> Hello, >>>>> >>>>> The ld.gold error message looks a lot like one reported in a previous >>>>> bug, https://github.com/golang/go/issues/38728. >>>>> >>>>> Can you please check to make sure that your client is sync'd past the >>>>> CLs that fix this issue, e.g. 0edc44a02852dd0d56cac35163a45634b497d6cd. >>>>> >>>>> Thanks, Than >>>>> >>>>> >>>>> On Mon, May 25, 2020 at 10:15 PM Yuan Ting <yuan...@ict.ac.cn> wrote: >>>>> >>>>>> I tried to build gollvm in a docker container (the image is based on >>>>>> ubuntu 20.04, and the host OS is MacOS catalina). I configured llvm by >>>>>> >>>>>> SHELL=/bin/sh cmake -DCMAKE_BUILD_TYPE=Release >>>>>> -DLLVM_TARGETS_TO_BUILD=X86 -DLLVM_ENABLE_ASSERTIONS=On >>>>>> -DLLVM_ENABLE_RTTI=On -DLLVM_USE_LINKER=gold -G Ninja ../llvm >>>>>> >>>>>> and then build and install gollvm by >>>>>> >>>>>> ninja gollvm && ninja install-gollvm >>>>>> >>>>>> after a while, I encountered >>>>>> >>>>>> ... >>>>>> >>>>>> error: At most two relocations per offset are supported >>>>>> >>>>>> error: At most two relocations per offset are supported >>>>>> >>>>>> error: At most two relocations per offset are supported >>>>>> >>>>>> [212/1279] Creating >>>>>> /root/llvm-project/build-debug/tools/gollvm/libgo/tmp-sigtab.go >>>>>> >>>>>> FAILED: tools/gollvm/libgo/tmp-sigtab.go >>>>>> >>>>>> cd /root/llvm-project/build-debug/tools/gollvm/libgo && GOARCH=amd64 >>>>>> GOOS=linux /bin/sh >>>>>> /root/llvm-project/llvm/tools/gollvm/libgo/capturescript.sh >>>>>> /root/llvm-project/llvm/tools/gollvm/gofrontend/libgo/mksigtab.sh >>>>>> /root/llvm-project/build-debug/tools/gollvm/libgo/tmp-sigtab.go >>>>>> >>>>>> error: no SHELL setting >>>>>> >>>>>> [214/1279] Creating >>>>>> /root/llvm-project/build-debug/tools/gollvm/libgo/tmp-sysinfo.go >>>>>> >>>>>> ninja: build stopped: subcommand failed. >>>>>> >>>>>> >>>>>> By add SHELL=/bin/sh, the errors above seems to be skipped but >>>>>> another period of time: >>>>>> >>>>>> >>>>>> ... >>>>>> >>>>>> /usr/bin/ld.gold: error: >>>>>> tools/gollvm/libgo/CMakeFiles/libgo_c_piclib.dir/__/gofrontend/libgo/go/syscall/errno.c.o: >>>>>> >>>>>> failed to match split-stack sequence at section 4 offset 0 >>>>>> >>>>>> /usr/bin/ld.gold: error: >>>>>> tools/gollvm/libgo/CMakeFiles/libgo_c_piclib.dir/__/gofrontend/libgo/go/syscall/errno.c.o: >>>>>> >>>>>> failed to match split-stack sequence at section 6 offset 0 >>>>>> >>>>>> /usr/bin/ld.gold: error: >>>>>> tools/gollvm/libgo/CMakeFiles/libgo_c_piclib.dir/__/gofrontend/libgo/go/syscall/signame.c.o: >>>>>> >>>>>> failed to match split-stack sequence at section 5 offset 0 >>>>>> >>>>>> /usr/bin/ld.gold: error: >>>>>> tools/gollvm/libgo/CMakeFiles/libbacktrace_piclib.dir/libbacktrace/backtrace.c.o: >>>>>> >>>>>> failed to match split-stack sequence at section 4 offset 0 >>>>>> >>>>>> /usr/bin/ld.gold: error: >>>>>> tools/gollvm/libgo/CMakeFiles/libbacktrace_piclib.dir/libbacktrace/backtrace.c.o: >>>>>> >>>>>> failed to match split-stack sequence at section 6 offset 0 >>>>>> >>>>>> /usr/bin/ld.gold: error: >>>>>> tools/gollvm/libgo/CMakeFiles/libbacktrace_piclib.dir/libbacktrace/dwarf.c.o: >>>>>> >>>>>> failed to match split-stack sequence at section 18 offset 0 >>>>>> >>>>>> /usr/bin/ld.gold: error: >>>>>> tools/gollvm/libgo/CMakeFiles/libbacktrace_piclib.dir/libbacktrace/dwarf.c.o: >>>>>> >>>>>> failed to match split-stack sequence at section 79 offset 0 >>>>>> >>>>>> ... >>>>>> >>>>>> /usr/bin/ld.gold: error: >>>>>> tools/gollvm/libgo/CMakeFiles/libffi_piclib.dir/libffi/src/x86/ffi64.c.o: >>>>>> >>>>>> failed to match split-stack sequence at section 22 offset 0 >>>>>> >>>>>> /usr/bin/ld.gold: error: >>>>>> tools/gollvm/libgo/CMakeFiles/libffi_piclib.dir/libffi/src/x86/ffi64.c.o: >>>>>> >>>>>> failed to match split-stack sequence at section 26 offset 0 >>>>>> >>>>>> /usr/bin/ld.gold: error: >>>>>> tools/gollvm/libgo/CMakeFiles/libffi_piclib.dir/libffi/src/x86/ffiw64.c.o: >>>>>> >>>>>> failed to match split-stack sequence at section 16 offset 0 >>>>>> >>>>>> collect2: error: ld returned 1 exit status >>>>>> >>>>>> [901/1066] Linking C static library tools/gollvm/libgo/libgo.a >>>>>> >>>>>> ninja: build stopped: subcommand failed. >>>>>> >>>>>> >>>>>> I'm not sure the error is caused by the container environment or my >>>>>> configurations/other prerequisites. >>>>>> >>>>>> -- >>>>>> You received this message because you are subscribed to the Google >>>>>> Groups "golang-nuts" group. >>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>> send an email to golan...@googlegroups.com. >>>>>> To view this discussion on the web visit >>>>>> https://groups.google.com/d/msgid/golang-nuts/23309451-cb0a-4f7b-93a1-27038187302a%40googlegroups.com >>>>>> >>>>>> <https://groups.google.com/d/msgid/golang-nuts/23309451-cb0a-4f7b-93a1-27038187302a%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>> . >>>>>> >>>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "golang-nuts" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to golan...@googlegroups.com. >>>> To view this discussion on the web visit >>>> https://groups.google.com/d/msgid/golang-nuts/1ffd3fb4-e739-4f13-9168-565e4c64bc70%40googlegroups.com >>>> >>>> <https://groups.google.com/d/msgid/golang-nuts/1ffd3fb4-e739-4f13-9168-565e4c64bc70%40googlegroups.com?utm_medium=email&utm_source=footer> >>>> . >>>> >>> -- >> You received this message because you are subscribed to the Google Groups >> "golang-nuts" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to golan...@googlegroups.com <javascript:>. >> To view this discussion on the web visit >> https://groups.google.com/d/msgid/golang-nuts/2e9d2af9-7d78-443b-9cda-34d7b9c41623%40googlegroups.com >> >> <https://groups.google.com/d/msgid/golang-nuts/2e9d2af9-7d78-443b-9cda-34d7b9c41623%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > -- You received this message because you are subscribed to the Google Groups "golang-nuts" group. To unsubscribe from this group and stop receiving emails from it, send an email to golang-nuts+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/golang-nuts/975b8157-5795-4c09-9aed-91278aa5f0e6%40googlegroups.com.
