Zac, I don't quite follow you. Currently, my build line (for hello-world) doesn't have either libv8_nosnapshot or libv8_external_snapshot. Still, it compiles, builds, and runs (searching for those .bin files). How do I make the switch?
On Sunday, February 28, 2016 at 7:29:25 AM UTC+2, Zac Hansen wrote: > > I don't know. I've never figured that out. That's why I just use the > no_snapshot option and don't worry about it. > > > On Sat, Feb 27, 2016 at 9:27 PM, Curtis Jones <[email protected] > <javascript:>> wrote: > >> How would you properly check for the bins? It does print an error so it >> knows they are not there, but its a void that does not throw exceptions. >> >> >> On Wednesday, February 17, 2016 at 8:25:31 AM UTC-6, Danny Dorfman wrote: >>> >>> Hello there, >>> >>> I successfully made an installation of the V8 4.9 stable version and I >>> am having trouble with the hello-world program. >>> If I compile and link it against the "release" dynamic library, >>> everything works fine. But if I switch to "debug", I get the following >>> crash: >>> >>> # gdb hello-world >>> GNU gdb (GDB) Red Hat Enterprise Linux 7.6.1-80.el7 >>> Copyright (C) 2013 Free Software Foundation, Inc. >>> License GPLv3+: GNU GPL version 3 or later < >>> http://gnu.org/licenses/gpl.html> >>> This is free software: you are free to change and redistribute it. >>> There is NO WARRANTY, to the extent permitted by law. Type "show >>> copying" >>> and "show warranty" for details. >>> This GDB was configured as "x86_64-redhat-linux-gnu". >>> For bug reporting instructions, please see: >>> <http://www.gnu.org/software/gdb/bugs/>... >>> Reading symbols from /root/v8/samples/hello-world...done. >>> (gdb) run >>> Starting program: /root/v8/samples/hello-world >>> [Thread debugging using libthread_db enabled] >>> Using host libthread_db library "/usr/lib64/libthread_db.so.1". >>> [New Thread 0x7ffff52ec700 (LWP 31545)] >>> [New Thread 0x7ffff4aeb700 (LWP 31546)] >>> [New Thread 0x7ffff42ea700 (LWP 31547)] >>> [New Thread 0x7ffff3ae9700 (LWP 31548)] >>> >>> Program received signal SIGSEGV, Segmentation fault. >>> v8::internal::Map::instance_type (this=0x3f5c00000000) at >>> .././src/objects-inl.h:4424 >>> 4424 return static_cast<InstanceType>(READ_BYTE_FIELD(this, >>> kInstanceTypeOffset)); >>> Missing separate debuginfos, use: debuginfo-install >>> glibc-2.17-106.el7_2.1.x86_64 libgcc-4.8.5-4.el7.x86_64 >>> libstdc++-4.8.5-4.el7.x86_64 >>> (gdb) bt >>> >>> #0 v8::internal::Map::instance_type (this=0x1d2400000000) at >>> .././src/objects-inl.h:4424 >>> #1 0x00007ffff6f5a7e6 in v8::internal::Object::IsWeakCell >>> (this=0x19f6746c5851) at .././src/objects-inl.h:844 >>> #2 0x00007ffff73af45b in v8::internal::WeakFixedArray::Get >>> (this=0x19f67467c7b9, index=78) at .././src/objects-inl.h:2466 >>> #3 0x00007ffff75d8480 in v8::internal::WeakFixedArray::Remove >>> (this=0x19f67467c7b9, value=...) at ../src/objects.cc:10706 >>> #4 0x00007ffff75e3741 in v8::internal::SharedFunctionInfo::SetScript >>> (shared=..., script_object=...) at ../src/objects.cc:13581 >>> #5 0x00007ffff7295d10 in v8::internal::Compiler::GetSharedFunctionInfo >>> (literal=0x687548, script=..., outer_info=0x7fffffffbed8) at >>> ../src/compiler.cc:1676 >>> #6 0x00007ffff7448cc7 in >>> v8::internal::FullCodeGenerator::VisitFunctionLiteral (this=0x7fffffffbb48, >>> expr=0x687548) at ../src/full-codegen/full-codegen.cc:1295 >>> #7 0x00007ffff6f89501 in v8::internal::FunctionLiteral::Accept >>> (this=0x687548, v=0x7fffffffbb48) at ../src/ast/ast.cc:28 >>> #8 0x00007ffff74448cf in v8::internal::FullCodeGenerator::Visit >>> (this=0x7fffffffbb48, node=0x687548) at >>> .././src/full-codegen/full-codegen.h:961 >>> #9 0x00007ffff7445174 in >>> v8::internal::FullCodeGenerator::VisitForAccumulatorValue >>> (this=0x7fffffffbb48, expr=0x687548) at >>> .././src/full-codegen/full-codegen.h:364 >>> #10 0x00007ffff7904384 in >>> v8::internal::FullCodeGenerator::VisitFunctionDeclaration >>> (this=0x7fffffffbb48, declaration=0x687640) at >>> ../src/full-codegen/x64/full-codegen-x64.cc:837 >>> #11 0x00007ffff6f8910e in v8::internal::FunctionDeclaration::Accept >>> (this=0x687640, v=0x7fffffffbb48) at ../src/ast/ast.cc:28 >>> #12 0x00007ffff74448cf in v8::internal::FullCodeGenerator::Visit >>> (this=0x7fffffffbb48, node=0x687640) at >>> .././src/full-codegen/full-codegen.h:961 >>> #13 0x00007ffff6f8d87a in v8::internal::AstVisitor::VisitDeclarations >>> (this=0x7fffffffbb48, declarations=0x674d40) at ../src/ast/ast.cc:775 >>> #14 0x00007ffff74445e1 in >>> v8::internal::FullCodeGenerator::VisitDeclarations (this=0x7fffffffbb48, >>> declarations=0x674d40) at ../src/full-codegen/full-codegen.cc:381 >>> #15 0x00007ffff79016c6 in v8::internal::FullCodeGenerator::Generate >>> (this=0x7fffffffbb48) at ../src/full-codegen/x64/full-codegen-x64.cc:319 >>> #16 0x00007ffff7441e5b in v8::internal::FullCodeGenerator::MakeCode >>> (info=0x7fffffffbed8) at ../src/full-codegen/full-codegen.cc:49 >>> #17 0x00007ffff72960ae in v8::internal::GenerateBaselineCode >>> (info=0x7fffffffbed8) at ../src/compiler.cc:812 >>> #18 0x00007ffff72959f9 in v8::internal::Compiler::GetSharedFunctionInfo >>> (literal=0x68b290, script=..., outer_info=0x7fffffffd2d0) at >>> ../src/compiler.cc:1651 >>> #19 0x00007ffff7448cc7 in >>> v8::internal::FullCodeGenerator::VisitFunctionLiteral (this=0x7fffffffcdb8, >>> expr=0x68b290) at ../src/full-codegen/full-codegen.cc:1295 >>> #20 0x00007ffff6f89501 in v8::internal::FunctionLiteral::Accept >>> (this=0x68b290, v=0x7fffffffcdb8) at ../src/ast/ast.cc:28 >>> #21 0x00007ffff74448cf in v8::internal::FullCodeGenerator::Visit >>> (this=0x7fffffffcdb8, node=0x68b290) at >>> .././src/full-codegen/full-codegen.h:961 >>> #22 0x00007ffff7445174 in >>> v8::internal::FullCodeGenerator::VisitForAccumulatorValue >>> (this=0x7fffffffcdb8, expr=0x68b290) at >>> .././src/full-codegen/full-codegen.h:364 >>> #23 0x00007ffff790b828 in >>> v8::internal::FullCodeGenerator::VisitAssignment (this=0x7fffffffcdb8, >>> expr=0x68b4b0) at ../src/full-codegen/x64/full-codegen-x64.cc:1824 >>> #24 0x00007ffff6f896b1 in v8::internal::Assignment::Accept >>> (this=0x68b4b0, v=0x7fffffffcdb8) at ../src/ast/ast.cc:28 >>> #25 0x00007ffff74448cf in v8::internal::FullCodeGenerator::Visit >>> (this=0x7fffffffcdb8, node=0x68b4b0) at >>> .././src/full-codegen/full-codegen.h:961 >>> #26 0x00007ffff7446444 in >>> v8::internal::FullCodeGenerator::VisitForEffect (this=0x7fffffffcdb8, >>> expr=0x68b4b0) at .././src/full-codegen/full-codegen.h:358 >>> #27 0x00007ffff7446aa1 in >>> v8::internal::FullCodeGenerator::VisitExpressionStatement >>> (this=0x7fffffffcdb8, stmt=0x68b350) at >>> ../src/full-codegen/full-codegen.cc:809 >>> #28 0x00007ffff6f891ce in v8::internal::ExpressionStatement::Accept >>> (this=0x68b350, v=0x7fffffffcdb8) at ../src/ast/ast.cc:28 >>> #29 0x00007ffff74448cf in v8::internal::FullCodeGenerator::Visit >>> (this=0x7fffffffcdb8, node=0x68b350) at >>> .././src/full-codegen/full-codegen.h:961 >>> #30 0x00007ffff6f8d901 in v8::internal::AstVisitor::VisitStatements >>> (this=0x7fffffffcdb8, statements=0x674c28) at ../src/ast/ast.cc:783 >>> #31 0x00007ffff7901907 in v8::internal::FullCodeGenerator::Generate >>> (this=0x7fffffffcdb8) at ../src/full-codegen/x64/full-codegen-x64.cc:338 >>> #32 0x00007ffff7441e5b in v8::internal::FullCodeGenerator::MakeCode >>> (info=0x7fffffffd2d0) at ../src/full-codegen/full-codegen.cc:49 >>> #33 0x00007ffff72960ae in v8::internal::GenerateBaselineCode >>> (info=0x7fffffffd2d0) at ../src/compiler.cc:812 >>> #34 0x00007ffff729e1ad in v8::internal::CompileBaselineCode >>> (info=0x7fffffffd2d0) at ../src/compiler.cc:819 >>> #35 0x00007ffff729421f in v8::internal::CompileToplevel >>> (info=0x7fffffffd2d0) at ../src/compiler.cc:1305 >>> #36 0x00007ffff72950c4 in v8::internal::Compiler::CompileScript >>> (source=..., script_name=..., line_offset=0, column_offset=0, >>> resource_options=..., source_map_url=..., context=..., >>> extension=0x0, cached_data=0x0, >>> compile_options=v8::ScriptCompiler::kNoCompileOptions, >>> natives=v8::internal::NATIVES_CODE, is_module=false) at >>> ../src/compiler.cc:1531 >>> #37 0x00007ffff6fc7af1 in v8::internal::Bootstrapper::CompileNative >>> (isolate=0x62acd0, name=..., source=..., argc=2, argv=0x7fffffffd800) at >>> ../src/bootstrapper.cc:1871 >>> #38 0x00007ffff6fc7e1c in >>> v8::internal::Bootstrapper::CompileExperimentalBuiltin (isolate=0x62acd0, >>> index=0) at ../src/bootstrapper.cc:1820 >>> #39 0x00007ffff6fd23a0 in >>> v8::internal::Genesis::InstallExperimentalNatives (this=0x7fffffffde80) at >>> ../src/bootstrapper.cc:2864 >>> #40 0x00007ffff6fd5403 in v8::internal::Genesis::Genesis >>> (this=0x7fffffffde80, isolate=0x62acd0, maybe_global_proxy=..., >>> global_proxy_template=..., extensions=0x7fffffffe060, >>> context_type=v8::internal::FULL_CONTEXT) at >>> ../src/bootstrapper.cc:3466 >>> #41 0x00007ffff6fba474 in v8::internal::Bootstrapper::CreateEnvironment >>> (this=0x6420b0, maybe_global_proxy=..., global_proxy_template=..., >>> extensions=0x7fffffffe060, >>> context_type=v8::internal::FULL_CONTEXT) at >>> ../src/bootstrapper.cc:327 >>> #42 0x00007ffff6f3401f in v8::CreateEnvironment (isolate=0x62acd0, >>> extensions=0x7fffffffe060, global_template=..., maybe_global_proxy=...) at >>> ../src/api.cc:5490 >>> #43 0x00007ffff6f0e3e9 in v8::Context::New (external_isolate=0x62acd0, >>> extensions=0x7fffffffe060, global_template=..., global_object=...) at >>> ../src/api.cc:5518 >>> #44 0x0000000000408d00 in main () >>> >>> Any idea what's happening here? How do I fix this? >>> >>> Regards, >>> Danny >>> >>> -- >> -- >> v8-users mailing list >> [email protected] <javascript:> >> http://groups.google.com/group/v8-users >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "v8-users" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/v8-users/Y25TiAY6350/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected] <javascript:>. >> For more options, visit https://groups.google.com/d/optout. >> > > -- -- v8-users mailing list [email protected] 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 [email protected]. For more options, visit https://groups.google.com/d/optout.
