Hi, thanks for the answer, but I of course check bt:
It is:
#0 v8::internal::FullCodeGenerator::Generate() () at
../src/full-codegen/x64/full-codegen-x64.cc:94
#1 0x00000000010240de in
v8::internal::FullCodeGenerator::MakeCode(v8::internal::CompilationInfo*)
() at ../src/full-codegen/full-codegen.cc:49
#2 0x0000000000e8f9dc in
v8::internal::GenerateBaselineCode(v8::internal::CompilationInfo*) () at
../src/compiler.cc:782
#3 0x0000000000e99026 in
v8::internal::CompileBaselineCode(v8::internal::CompilationInfo*) () at
../src/compiler.cc:796
#4 0x0000000000e8da38 in
v8::internal::CompileToplevel(v8::internal::CompilationInfo*) () at
../src/compiler.cc:1281
#5 0x0000000000e8e962 in
v8::internal::Compiler::CompileScript(v8::internal::Handle<v8::internal::String>,
v8::internal::Handle<v8::internal::Object>, int, int,
v8::ScriptOriginOptions, v8::internal::Handle<v8::internal::Object>,
v8::internal::Handle<v8::internal::Context>, v8::Extension*,
v8::internal::ScriptData**, v8::ScriptCompiler::CompileOptions,
v8::internal::NativesFlag, bool) () at ../src/compiler.cc:1510
#6 0x0000000000cf590f in
v8::internal::Bootstrapper::CompileNative(v8::internal::Isolate*,
v8::internal::Vector<char const>,
v8::internal::Handle<v8::internal::String>, int,
v8::internal::Handle<v8::internal::Object>*, v8::internal::NativesFlag) ()
at ../src/bootstrapper.cc:1889
#7 0x0000000000cf5c53 in
v8::internal::Bootstrapper::CompileExperimentalBuiltin(v8::internal::Isolate*,
int) () at ../src/bootstrapper.cc:1838
#8 0x0000000000d00ec0 in
v8::internal::Genesis::InstallExperimentalNatives() () at
../src/bootstrapper.cc:2988
#9 0x0000000000d04094 in
v8::internal::Genesis::Genesis(v8::internal::Isolate*,
v8::internal::MaybeHandle<v8::internal::JSGlobalProxy>,
v8::Local<v8::ObjectTemplate>, v8::ExtensionConfiguration*,
v8::internal::GlobalContextType) () at ../src/bootstrapper.cc:3589
#10 0x0000000000ce7684 in
v8::internal::Bootstrapper::CreateEnvironment(v8::internal::MaybeHandle<v8::internal::JSGlobalProxy>,
v8::Local<v8::ObjectTemplate>, v8::ExtensionConfiguration*,
v8::internal::GlobalContextType) () at ../src/bootstrapper.cc:327
#11 0x0000000000c878af in v8::CreateEnvironment(v8::internal::Isolate*,
v8::ExtensionConfiguration*, v8::Local<v8::ObjectTemplate>,
v8::Local<v8::Value>)
() at ../src/api.cc:5490
#12 0x0000000000c60bfc in v8::Context::New(v8::Isolate*,
v8::ExtensionConfiguration*, v8::Local<v8::ObjectTemplate>,
v8::Local<v8::Value>) ()
at ../src/api.cc:5518
#13 0x0000000000c313db in v8::Shell::CreateEvaluationContext(v8::Isolate*)
() at ../src/d8.cc:1268
#14 0x0000000000c355ad in v8::Shell::RunMain(v8::Isolate*, int, char**,
bool) () at ../src/d8.cc:2042
#15 0x0000000000c36801 in v8::Shell::Main(int, char**) () at
../src/d8.cc:2521
#16 0x0000000000c3d092 in main () at ../src/d8.cc:2562
after I've typed first 's', then I've typed 'print info' and received
'No symbol "info" in current context' :(
Does gdb work for anyone? Google guys, where are you?
On Friday, March 4, 2016 at 5:42:12 AM UTC+6, [email protected] wrote:
>
> Hi.
>
> I think you couldn't see local variables of 'FullCodeGenerator::Generate'
> since you are in different function context.
>
> You set break point at 'FullCodeGenerator::Generate' and then proceeded
> program with 's' command.
> This results in function call and you might be at
> ''FullCodeGenrator::isolate' which doesn't have "info" as local variable.
>
> Have you ever checked backtrace?
> When I followed your instruction, I get following backtrace.
>
> #0 v8::internal::FullCodeGenerator::isolate (this=0x7fffffffbe28) at
> .././src/full-codegen/full-codegen.h:703
> #1 0x00000000014756e7 in v8::internal::FullCodeGenerator::Generate
> (this=0x7fffffffbe28) at ../src/full-codegen/x64/full-codegen-x64.cc:94
> #2 0x0000000001078096 in v8::internal::FullCodeGenerator::MakeCode
> (info=0x7fffffffc478) at ../src/full-codegen/full-codegen.cc:51
> #3 0x0000000000ecc9cc in v8::internal::GenerateBaselineCode
> (info=0x7fffffffc478) at ../src/compiler.cc:790
> #4 0x0000000000ed5636 in v8::internal::CompileBaselineCode
> (info=0x7fffffffc478) at ../src/compiler.cc:804
>
> Thanks.
>
> 2016년 3월 3일 목요일 오후 5시 40분 21초 UTC+9, [email protected] 님의 말:
>>
>> Hi guys.
>>
>> I compile v8 with next command:
>> $ x64.debug debugsymbols=on disassembler=on gdbjit=on console=readline
>>
>> then I want to setup a breakpoint on v8::internal::FullCodeGenerator::
>> Generate() in gdb
>> I do next steps
>> $ gdb ./out/x64.debug/d8
>> $ break v8::internal::FullCodeGenerator::Generate()
>>
>> and everythink is ok, and then I run d8 with some small js script
>>
>> $ r ../test.js
>>
>> and I stop on this line
>>
>> CompilationInfo* info = info_;
>>
>> $ s
>> $ s
>>
>> And here I want to see what is value of local variable info
>> I'm typing
>>
>> $ p info
>>
>> And I'm receiving:
>>
>> No symbol "info" in current context.
>>
>> It's my mistake or somebody has the same issues?
>>
>> It looks like v8 build system calls strip on final executable...
>>
>
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