Yes, handler-outside-posix.o is present at ***/v8/v8/out/release-ios/clang_x64_v8_arm64/obj/v8_base_without_compiler/ and the "objdump -t handler-outside-posix.o" is :
handler-outside-posix.o: file format mach-o 64-bit x86-64 SYMBOL TABLE: 0000000000002db8 l O __DATA,__bss __ZN2v88internal12trap_handler12_GLOBAL__N_138g_is_default_signal_handler_registeredE 0000000000002dc0 l O __DATA,__bss __ZN2v88internal12trap_handler12_GLOBAL__N_113g_old_handlerE 0000000000000060 g F __TEXT,__text __ZN2v88internal12trap_handler17RemoveTrapHandlerEv 0000000000000000 g F __TEXT,__text __ZN2v88internal12trap_handler26RegisterDefaultTrapHandlerEv 0000000000000000 *UND* __ZN2v88internal12trap_handler12HandleSignalEiP9__siginfoPv 0000000000000000 *UND* _sigaction *It looks like this object file is created for x86-64 while the targeted build architecture is arm64.* ==============gn args=================== # Set build arguments here. See `gn help buildargs`. enable_ios_bitcode = true ios_deployment_target = 10 is_component_build = false is_debug = false target_cpu = "arm64" # "x64" for a simulator build. target_os = "ios" v8_enable_i18n_support = false # Produces a smaller binary. v8_monolithic = true # Enable the v8_monolith target. v8_use_external_startup_data = false # The snaphot is included in the binary. v8_enable_pointer_compression = false # Unsupported on iOS. ios_enable_code_signing=false ================================================== build commands : 1. gn gen out/release-ios 2. set args.gn as above 3. ninja -C out/release-ios Thanks and Regards, Devansh Mohan Kaushik On Thursday, 12 August 2021 at 20:25:24 UTC+5:30 Clemens Backes wrote: > Hm, that symbol is defined in src/trap-handler/handler-outside-posix.cc, > which should be included for iOS builds. Can you check if you have a > handler-outside-posix.o file in the output directory, and if it contains > the RegisterDefaultTrapHandler symbol? > > On Tue, Aug 10, 2021 at 8:35 AM DEVANSH M KAUSHIK <devansh....@gmail.com> > wrote: > >> If I remove the following form gn args . >> >> ============== >> use_custom_libcxx = false # Use Xcode's libcxx. >> use_xcode_clang = true >> ============== >> >> I am using following setup >> xcode : 12.5.1 >> v8: tag/8.5.188 >> macOS: Big Sur 11.3.1 >> >> the build starts but fails while linking d8 with the following error : >> >> ➜ v8 git:(heads/tags/8.5.188) ✗ ninja -C out/release-ios >> >> >> ninja: Entering directory `out/release-ios' >> >> [0/1] Regenerating ninja files >> >> [3202/3507] LINK ./d8 >> >> FAILED: d8 >> >> TOOL_VERSION=1628482238 ../../build/toolchain/apple/linker_driver.py >> -Wcrl,strippath,../../../../../../../../Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/strip >> >> --deterministic ../../third_party/llvm-build/Release+Asserts/bin/clang++ -B >> ../../../../../../../../Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/ >> >> -Wl,-fatal_warnings -target arm64-apple-ios10 -nostdlib++ -isysroot >> /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS14.5.sdk >> >> -Wl,-ObjC -Wl,-rpath,@executable_path/Frameworks -Wl,-dead_strip >> -L/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS14.5.sdk/usr/lib/swift >> >> -L/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/iphoneos >> >> -o "./d8" -Wl,-filelist,"./d8.rsp" -framework CoreFoundation -framework >> CoreGraphics -framework CoreText -framework Foundation >> >> Undefined symbols for architecture arm64: >> >> "v8::internal::trap_handler::RegisterDefaultTrapHandler()", referenced >> from: >> >> v8::internal::trap_handler::EnableTrapHandler(bool) in >> handler-outside.o >> >> ld: symbol(s) not found for architecture arm64 >> >> clang: error: linker command failed with exit code 1 (use -v to see >> invocation) >> >> Traceback (most recent call last): >> >> File "../../build/toolchain/apple/linker_driver.py", line 305, in >> <module> >> >> Main(sys.argv) >> >> File "../../build/toolchain/apple/linker_driver.py", line 98, in Main >> >> subprocess.check_call(compiler_driver_args, env=env) >> >> File >> "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/subprocess.py", >> >> line 190, in check_call >> >> raise CalledProcessError(retcode, cmd) >> >> subprocess.CalledProcessError: Command >> '['../../third_party/llvm-build/Release+Asserts/bin/clang++', '-B', >> '../../../../../../../../Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/', >> >> '-Wl,-fatal_warnings', '-target', 'arm64-apple-ios10', '-nostdlib++', >> '-isysroot', >> '/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS14.5.sdk', >> >> '-Wl,-ObjC', '-Wl,-rpath,@executable_path/Frameworks', '-Wl,-dead_strip', >> '-L/Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS14.5.sdk/usr/lib/swift', >> >> '-L/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/lib/swift/iphoneos', >> >> '-o', './d8', '-Wl,-filelist,./d8.rsp', '-framework', 'CoreFoundation', >> '-framework', 'CoreGraphics', '-framework', 'CoreText', '-framework', >> 'Foundation']' returned non-zero exit status 1 >> >> [3207/3507] CXX >> obj/test/unittests/unittests_sources/instruction-selector-arm64-unittest.o >> >> ninja: build stopped: subcommand failed. >> >> >> >> >> On Tuesday, 10 August 2021 at 10:40:04 UTC+5:30 DEVANSH M KAUSHIK wrote: >> >>> I am also facing the same issue. >>> Details are : >>> v8: tag/8.5.188 >>> macOS: Big Sur 11.3.1 >>> >>> the original error "../../include/cppgc/allocation.h:168:39: error: no >>> member named 'forward' in namespace 'std'" is resolved by switching to this >>> v8 version "tag/8.5.188" but I am still getting the following error in this >>> version : >>> ============================================================= >>> >>> ➜ v8 git:(heads/tags/8.5.188) ✗ ninja -C out/release-ios >>> >>> ninja: Entering directory `out/release-ios' >>> >>> [0/1] Regenerating ninja files >>> >>> [1/3397] CXX obj/cppgc_base/marking-worklists.o >>> >>> FAILED: obj/cppgc_base/marking-worklists.o >>> >>> ../../../../../../../../Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin/clang++ >>> >>> -MMD -MF obj/cppgc_base/marking-worklists.o.d -DCR_XCODE_VERSION=1251 >>> -DCR_CLANG_REVISION=\"llvmorg-14-init-591-g7d9d926a-1\" >>> -D__STDC_CONSTANT_MACROS -D__STDC_FORMAT_MACROS -D_FORTIFY_SOURCE=2 >>> -DNDEBUG -DNVALGRIND -DDYNAMIC_ANNOTATIONS_ENABLED=0 >>> -DNS_BLOCK_ASSERTIONS=1 -DV8_TYPED_ARRAY_MAX_SIZE_IN_HEAP=64 >>> -DENABLE_MINOR_MC -DENABLE_HANDLE_ZAPPING -DV8_ATOMIC_OBJECT_FIELD_WRITES >>> -DV8_ATOMIC_MARKING_STATE -DV8_ENABLE_LAZY_SOURCE_POSITIONS >>> -DV8_SHARED_RO_HEAP -DV8_WIN64_UNWINDING_INFO >>> -DV8_ENABLE_REGEXP_INTERPRETER_THREADED_DISPATCH -DV8_SNAPSHOT_COMPRESSION >>> -DV8_ENABLE_WEBASSEMBLY -DV8_ALLOCATION_FOLDING >>> -DV8_ALLOCATION_SITE_TRACKING -DV8_ADVANCED_BIGINT_ALGORITHMS >>> -DV8_DEPRECATION_WARNINGS -DV8_IMMINENT_DEPRECATION_WARNINGS >>> -DCPPGC_CAGED_HEAP -DV8_TARGET_ARCH_ARM64 -DV8_HAVE_TARGET_OS >>> -DV8_TARGET_OS_IOS -DV8_RUNTIME_CALL_STATS >>> -DDISABLE_UNTRUSTED_CODE_MITIGATIONS -I../.. -Igen -I../../include >>> -Igen/include -fno-delete-null-pointer-checks -fno-ident >>> -fno-strict-aliasing --param=ssp-buffer-size=4 -fstack-protector >>> -fcolor-diagnostics -fmerge-all-constants -target arm64-apple-ios10 >>> -Wno-builtin-macro-redefined -D__DATE__= -D__TIME__= -D__TIMESTAMP__= >>> -ffile-compilation-dir=. -no-canonical-prefixes -Wall -Wextra >>> -Wimplicit-fallthrough -Wunreachable-code -Wthread-safety -Wextra-semi >>> -Wunguarded-availability -Wundeclared-selector >>> -Wno-missing-field-initializers -Wno-unused-parameter -Wloop-analysis >>> -Wno-unneeded-internal-declaration -fno-omit-frame-pointer -g2 -isysroot >>> /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS14.5.sdk >>> >>> -fembed-bitcode -Wheader-hygiene -Wstring-conversion >>> -Wtautological-overlap-compare -Wmissing-field-initializers >>> -Wunreachable-code -Wshorten-64-to-32 -O3 -fvisibility=default >>> -Wexit-time-destructors -std=c++14 -fno-trigraphs -Wno-trigraphs >>> -fno-exceptions -fno-rtti -c ../../src/heap/cppgc/marking-worklists.cc -o >>> obj/cppgc_base/marking-worklists.o >>> >>> clang++: error: unknown argument: '-ffile-compilation-dir=.' >>> >>> [2/3397] CXX obj/cppgc_base/name-trait.o >>> >>> FAILED: obj/cppgc_base/name-trait.o >>> >>> ============================================================= >>> >>> >>> ************************************************* >>> gn args as following: >>> ************************************************* >>> enable_ios_bitcode = true >>> ios_deployment_target = 10 >>> >>> is_component_build = false >>> is_debug = false >>> >>> target_cpu = "arm64" >>> target_os = "ios" >>> >>> treat_warnings_as_errors = false >>> >>> use_custom_libcxx = false # Use Xcode's libcxx. >>> use_xcode_clang = true >>> >>> v8_target_cpu = "arm64" >>> v8_enable_debugging_features = false >>> v8_enable_i18n_support = false # Produces a smaller binary. >>> v8_enable_pointer_compression = false >>> v8_enable_v8_checks = false >>> v8_monolithic = true # Enable the v8_monolith target. >>> v8_use_external_startup_data = false # The snaphot is included in the >>> binary. >>> ios_enable_code_signing=false >>> >>> ================================================ >>> >>> >>> On Sunday, 8 August 2021 at 10:23:40 UTC+5:30 chao...@gmail.com wrote: >>> >>>> If I switch to tag 8.5.188, everything works fine. >>>> >>>> On Sunday, August 8, 2021 at 12:51:05 PM UTC+8 chao...@gmail.com wrote: >>>> >>>>> >>>>> ************************************************* >>>>> gn args as following: >>>>> ************************************************* >>>>> >>>>> enable_ios_bitcode = true >>>>> >>>>> ios_deployment_target = 10 >>>>> >>>>> is_component_build = false >>>>> is_debug = false >>>>> is_official_build = true >>>>> >>>>> symbol_level = 1 >>>>> >>>>> target_cpu = "arm64" >>>>> target_os = "ios" >>>>> >>>>> treat_warnings_as_errors = false >>>>> >>>>> use_custom_libcxx = false # Use Xcode's libcxx. >>>>> use_xcode_clang = true >>>>> >>>>> v8_target_cpu = "arm64" >>>>> v8_enable_debugging_features = false >>>>> v8_enable_i18n_support = false # Produces a smaller binary. >>>>> v8_enable_pointer_compression = false >>>>> v8_enable_v8_checks = false >>>>> v8_monolithic = true # Enable the v8_monolith target. >>>>> v8_use_external_startup_data = false # The snaphot is included in the >>>>> binary. >>>>> >>>>> On Sunday, August 8, 2021 at 12:47:31 PM UTC+8 chao...@gmail.com >>>>> wrote: >>>>> >>>>>> Thanks for your quick response! >>>>>> >>>>>> Compiled successfully when I switched to tag 9.4.116 and added an >>>>>> #include <utility> in include/cppgc/allocation.h. >>>>>> >>>>>> But it shows error during the link stage: >>>>>> >>>>>> Undefined symbols for architecture arm64: >>>>>> >>>>>> >>>>>> "v8::internal::trap_handler::RegisterDefaultTrapHandler()", referenced >>>>>> from: >>>>>> >>>>>> >>>>>> v8::internal::trap_handler::EnableTrapHandler(bool) in >>>>>> libv8_monolith.a(handler-outside.o) >>>>>> >>>>>> "v8::internal::trap_handler::TryHandleSignal(int, >>>>>> __siginfo*, void*)", referenced from: >>>>>> >>>>>> v8::TryHandleWebAssemblyTrapPosix(int, >>>>>> __siginfo*, void*) in libv8_monolith.a(api.o) >>>>>> >>>>>> v8::V8::TryHandleSignal(int, void*, void*) in >>>>>> libv8_monolith.a(api.o) >>>>>> >>>>>> ld: symbol(s) not found for architecture arm64 >>>>>> >>>>>> clang: error: linker command failed with exit code 1 >>>>>> (use -v to see invocation) >>>>>> >>>>>> >>>>>> On Saturday, August 7, 2021 at 2:33:27 AM UTC+8 Clemens Backes wrote: >>>>>> >>>>>>> Thanks for letting us know, we indeed did not differentiate between >>>>>>> MacOS and iOS. I just landed a fix for this: >>>>>>> https://crrev.com/c/3077154 >>>>>>> >>>>>>> The error about std::forward should be fixable by adding an >>>>>>> #include <utility> in include/cppgc/allocation.h. Can you try that? >>>>>>> >>>>>>> On Fri, Aug 6, 2021 at 3:50 AM chao...@gmail.com <chao...@gmail.com> >>>>>>> wrote: >>>>>>> >>>>>>>> My OS version is macOS Big Sur 11.5. >>>>>>>> On Friday, August 6, 2021 at 8:06:29 AM UTC+8 chao...@gmail.com >>>>>>>> wrote: >>>>>>>> >>>>>>>>> >>>>>>>>> Oh, I forgot to mention the version. I am trying to compile V8 >>>>>>>>> v9.4.113. >>>>>>>>> On Thursday, August 5, 2021 at 11:10:14 PM UTC+8 chao...@gmail.com >>>>>>>>> wrote: >>>>>>>>> >>>>>>>>>> 1. >>>>>>>>>> ************************************************* >>>>>>>>>> gn args as following: >>>>>>>>>> ************************************************* >>>>>>>>>> >>>>>>>>>> enable_ios_bitcode = true >>>>>>>>>> >>>>>>>>>> ios_deployment_target = 10 >>>>>>>>>> >>>>>>>>>> is_component_build = false >>>>>>>>>> is_debug = false >>>>>>>>>> is_official_build = true >>>>>>>>>> >>>>>>>>>> symbol_level = 0 >>>>>>>>>> >>>>>>>>>> target_cpu = "arm64" # "x64" for a simulator >>>>>>>>>> build. >>>>>>>>>> target_os = "ios" >>>>>>>>>> >>>>>>>>>> treat_warnings_as_errors = false >>>>>>>>>> >>>>>>>>>> use_custom_libcxx = true # Use Xcode's libcxx. >>>>>>>>>> use_xcode_clang = false >>>>>>>>>> >>>>>>>>>> v8_target_cpu = "arm64" >>>>>>>>>> v8_enable_debugging_features = false >>>>>>>>>> v8_enable_i18n_support = false # Produces a smaller binary. >>>>>>>>>> v8_enable_pointer_compression = false >>>>>>>>>> v8_enable_v8_checks = false >>>>>>>>>> v8_monolithic = true # Enable the v8_monolith >>>>>>>>>> target. >>>>>>>>>> v8_use_external_startup_data = false # The snaphot is included >>>>>>>>>> in the binary. >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> 2. >>>>>>>>>> ************************************************* >>>>>>>>>> error msg as following: >>>>>>>>>> ************************************************* >>>>>>>>>> >>>>>>>>>> ../../src/wasm/code-space-access.cc:40:3: error: >>>>>>>>>> 'pthread_jit_write_protect_np' is unavailable: not available on iOS >>>>>>>>>> pthread_jit_write_protect_np(0); >>>>>>>>>> ^ >>>>>>>>>> /Applications/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS14.5.sdk/usr/include/pthread.h:561:6: >>>>>>>>>> >>>>>>>>>> note: 'pthread_jit_write_protect_np' has been explicitly marked >>>>>>>>>> unavailable >>>>>>>>>> here >>>>>>>>>> void pthread_jit_write_protect_np(int enabled); >>>>>>>>>> ^ >>>>>>>>>> ../../src/wasm/code-space-access.cc:44:3: error: >>>>>>>>>> 'pthread_jit_write_protect_np' is unavailable: not available on iOS >>>>>>>>>> pthread_jit_write_protect_np(1); >>>>>>>>>> >>>>>>>>> -- >>>>>>>> -- >>>>>>>> v8-users mailing list >>>>>>>> v8-u...@googlegroups.com >>>>>>>> http://groups.google.com/group/v8-users >>>>>>>> --- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "v8-users" group. >>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>> send an email to v8-users+u...@googlegroups.com. >>>>>>>> To view this discussion on the web visit >>>>>>>> https://groups.google.com/d/msgid/v8-users/b5cf66f9-95d7-4f2c-99f5-0fa655e11a56n%40googlegroups.com >>>>>>>> >>>>>>>> <https://groups.google.com/d/msgid/v8-users/b5cf66f9-95d7-4f2c-99f5-0fa655e11a56n%40googlegroups.com?utm_medium=email&utm_source=footer> >>>>>>>> . >>>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> >>>>>>> Clemens Backes >>>>>>> >>>>>>> Software Engineer >>>>>>> >>>>>>> clem...@google.com >>>>>>> >>>>>>> Google Germany GmbH >>>>>>> >>>>>>> Erika-Mann-Straße 33 >>>>>>> >>>>>>> 80636 München >>>>>>> >>>>>>> Geschäftsführer: Paul Manicle, Halimah DeLaine Prado >>>>>>> >>>>>>> Registergericht und -nummer: Hamburg, HRB 86891 >>>>>>> >>>>>>> Sitz der Gesellschaft: Hamburg >>>>>>> >>>>>>> Diese E-Mail ist vertraulich. Falls sie diese fälschlicherweise >>>>>>> erhalten haben sollten, leiten Sie diese bitte nicht an jemand anderes >>>>>>> weiter, löschen Sie alle Kopien und Anhänge davon und lassen Sie mich >>>>>>> bitte >>>>>>> wissen, dass die E-Mail an die falsche Person gesendet wurde. >>>>>>> >>>>>>> >>>>>>> This e-mail is confidential. If you received this communication by >>>>>>> mistake, please don't forward it to anyone else, please erase all >>>>>>> copies >>>>>>> and attachments, and please let me know that it has gone to the wrong >>>>>>> person. >>>>>>> >>>>>>> -- >> -- >> v8-users mailing list >> v8-u...@googlegroups.com >> http://groups.google.com/group/v8-users >> --- >> You received this message because you are subscribed to the Google Groups >> "v8-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to v8-users+u...@googlegroups.com. >> > To view this discussion on the web visit >> https://groups.google.com/d/msgid/v8-users/8a5a2e52-d7ef-4824-993a-39b8829dca8dn%40googlegroups.com >> >> <https://groups.google.com/d/msgid/v8-users/8a5a2e52-d7ef-4824-993a-39b8829dca8dn%40googlegroups.com?utm_medium=email&utm_source=footer> >> . >> > > > -- > > Clemens Backes > > Software Engineer > > clem...@google.com > > Google Germany GmbH > > Erika-Mann-Straße 33 > > 80636 München > > Geschäftsführer: Paul Manicle, Halimah DeLaine Prado > > Registergericht und -nummer: Hamburg, HRB 86891 > > Sitz der Gesellschaft: Hamburg > > Diese E-Mail ist vertraulich. Falls sie diese fälschlicherweise erhalten > haben sollten, leiten Sie diese bitte nicht an jemand anderes weiter, > löschen Sie alle Kopien und Anhänge davon und lassen Sie mich bitte wissen, > dass die E-Mail an die falsche Person gesendet wurde. > > > This e-mail is confidential. If you received this communication by > mistake, please don't forward it to anyone else, please erase all copies > and attachments, and please let me know that it has gone to the wrong > person. > > -- -- v8-users mailing list v8-users@googlegroups.com http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to v8-users+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/v8-users/faf64d2e-270a-4e78-b21c-26b9d48c52e9n%40googlegroups.com.
