[Gambas-user] Bug with JIT and external functions

Emil Lenngren emil.lenngren at ...626...
Tue Jun 19 23:24:05 CEST 2012 

It should work in the latest revision :)

2012/6/19 Emil Lenngren <emil.lenngren at ...626...>

> If you want a quick workaround, you can have non-fast method that creates
> a callback, and immediately returns it, like:
>
> Private Function GenerateCallback() As Pointer
>   Return CallbackFunction
> End
>
> Fast Private Function CallbackFunction()
> ...
> End
>
> Extern extfunc(cb As Pointer) In "somelib"
>
> Fast Private Function Main()
>   Dim p As Pointer = GenerateCallback()
>   extfunc(p)
> End
>
> /Emil
>
> 2012/6/19 Jussi Lahtinen <jussi.lahtinen at ...626...>
>
>> No problem, I'm glad to help making Gambas more robust, when ever I have
>> time to do so!
>> And testing things seems to be easy contribution for me...
>>
>> My project has about 120 000 lines of code. And I try JIT with every
>> module
>> and class of it.
>> So I think I will find more bugs... But in some point I must wait support
>> for callbacks to finish that.
>>
>> Jussi
>>
>>
>>
>> On 19 June 2012 21:58, Emil Lenngren <emil.lenngren at ...626...> wrote:
>>
>> > Hi. Kiitos for another bug report :)
>> >
>> > Hmm.. I forgot that classes can override extern methods as well. That's
>> > where the real problem is.
>> >
>> > /Emil
>> >
>> > 2012/6/19 Jussi Lahtinen <jussi.lahtinen at ...626...>
>> >
>> > > More bugs...
>> > >
>> > > Make shared library (just dummy example [or just use binary that is
>> > > included with project source]);
>> > >
>> > > #include <math.h>
>> > >
>> > > int yEta(int x1, int y1, int x2, int y2)
>> > > {return (int) hypot(x1-x2,y1-y2);}
>> > >
>> > >
>> > > Then run the attached project.
>> > > With JIT, number of arguments is counted wrong.
>> > >
>> > >
>> > > Jussi
>> > >
>> > >
>> > >
>> > >
>> > >
>> > >
>> > >
>> > >
>> > > On 19 June 2012 21:02, Jussi Lahtinen <jussi.lahtinen at ...626...>
>> wrote:
>> > >
>> > > > Yes, it works now!
>> > > >
>> > > > Jussi
>> > > >
>> > > >
>> > > >
>> > > >
>> > > > On 18 June 2012 22:34, Emil Lenngren <emil.lenngren at ...626...>
>> wrote:
>> > > >
>> > > >> Does it work in revision #4847?
>> > > >>
>> > > >> /Emil
>> > > >>
>> > > >> 2012/6/18 Jussi Lahtinen <jussi.lahtinen at ...626...>
>> > > >>
>> > > >> > Starting program: /usr/local/bin/gbx3
>> > > >> > [Thread debugging using libthread_db enabled]
>> > > >> > Using host libthread_db library
>> > > >> "/lib/x86_64-linux-gnu/libthread_db.so.1".
>> > > >> > gbx3: ExecutionEngine.cpp:165: void
>> > > >> > llvm::ExecutionEngine::addGlobalMapping(const llvm::GlobalValue*,
>> > > >> void*):
>> > > >> > Assertion `(CurVal == 0 || Addr == 0) && "GlobalMapping already
>> > > >> > established!"' failed.
>> > > >> >
>> > > >> > Program received signal SIGABRT, Aborted.
>> > > >> > 0x00007ffff7130445 in __GI_raise (sig=<optimized out>)
>> > > >> >    at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
>> > > >> > 64    ../nptl/sysdeps/unix/sysv/linux/raise.c: No such file or
>> > > >> directory.
>> > > >> > (gdb) bt
>> > > >> > #0  0x00007ffff7130445 in __GI_raise (sig=<optimized out>)
>> > > >> >    at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
>> > > >> > #1  0x00007ffff7133bab in __GI_abort () at abort.c:91
>> > > >> > #2  0x00007ffff712910e in __assert_fail_base (fmt=<optimized
>> out>,
>> > > >> >    assertion=0x7fffed43c3b8 "(CurVal == 0 || Addr == 0) &&
>> > > >> \"GlobalMapping
>> > > >> > already established!\"", file=0x7fffed43c55b
>> "ExecutionEngine.cpp",
>> > > >> >    line=<optimized out>, function=<optimized out>) at assert.c:94
>> > > >> > #3  0x00007ffff71291b2 in __GI___assert_fail (
>> > > >> >    assertion=0x7fffed43c3b8 "(CurVal == 0 || Addr == 0) &&
>> > > >> \"GlobalMapping
>> > > >> > already established!\"", file=0x7fffed43c55b
>> "ExecutionEngine.cpp",
>> > > >> > line=165,
>> > > >> >    function=0x7fffed43d7a0 "void
>> > > >> > llvm::ExecutionEngine::addGlobalMapping(const llvm::GlobalValue*,
>> > > >> void*)")
>> > > >> > at assert.c:103
>> > > >> > #4  0x00007fffeca84aae in
>> > > >> > llvm::ExecutionEngine::addGlobalMapping(llvm::GlobalValue const*,
>> > > >> void*) ()
>> > > >> > from /usr/lib/libLLVM-3.2svn.so
>> > > >> > #5  0x00007fffedc85ec7 in register_global_symbol
>> (address=0x40ebf6,
>> > > >> >    value=0x8b2500, name=...) at jit_codegen.cpp:242
>> > > >> > #6  register_global_symbol (name=..., value=0x8b2500,
>> > > address=0x40ebf6)
>> > > >> >    at jit_codegen.cpp:240
>> > > >> > #7  0x00007fffedc8600e in get_global_function_real (
>> > > >> >    name=0x7fffedcb9e57 "CLASS_free", func=0x40ebf6,
>> ret=<optimized
>> > > out>,
>> > > >> >    args=<optimized out>, vararg=<optimized out>) at
>> > > jit_codegen.cpp:276
>> > > >> > #8  0x00007fffedc8a9dc in operator() (this=<synthetic pointer>)
>> > > >> >    at jit_codegen.cpp:991
>> > > >> > ---Type <return> to continue, or q <return> to quit---
>> > > >> > #9  gen_if<unref_object_no_nullcheck(llvm::Value*)::<lambda()> >
>> > > >> (func=...,
>> > > >> >    cond=0x8999d0, if_name=<optimized out>, cont_name=<optimized
>> > out>)
>> > > >> >    at jit_codegen.cpp:562
>> > > >> > #10 unref_object_no_nullcheck (ptr=0x898ca8) at
>> jit_codegen.cpp:993
>> > > >> > #11 0x00007fffedc9a44c in codegen_get_value (this=0x8abba0)
>> > > >> >    at jit_codegen.cpp:1566
>> > > >> > #12 PushPureObjectVariableExpression::codegen_get_value
>> > > (this=0x8abba0)
>> > > >> >    at jit_codegen.cpp:1545
>> > > >> > #13 0x00007fffedca3f0d in SubrExpression::codegen_get_value
>> > > >> (this=0x86a450)
>> > > >> >    at jit_codegen.cpp:5898
>> > > >> > #14 0x00007fffedc8c21d in DropExpression::codegen (this=0x86a4a0)
>> > > >> >    at jit_codegen.cpp:1257
>> > > >> > #15 0x00007fffedca6fa7 in codegen_statements () at
>> > jit_codegen.cpp:855
>> > > >> > #16 JIT_codegen () at jit_codegen.cpp:6490
>> > > >> > #17 0x00007fffedcadc64 in JIT_compile_and_execute () at
>> > > >> jit_compile.cpp:119
>> > > >> > #18 0x000000000040a2fb in EXEC_jit_function_loop () at
>> > gbx_exec.c:871
>> > > >> > #19 0x000000000040ab22 in EXEC_function_real () at gbx_exec.c:862
>> > > >> > #20 0x000000000041e86d in raise_event (observer=<optimized out>,
>> > > >> >    object=<optimized out>, func_id=<optimized out>,
>> > nparam=<optimized
>> > > >> out>)
>> > > >> >    at gbx_api.c:711
>> > > >> > #21 0x000000000041efa6 in GB_Raise (object=0x8b95c8, event_id=16,
>> > > >> nparam=0)
>> > > >> >    at gbx_api.c:842
>> > > >> > #22 0x00007ffff5fce3d3 in gb_raise_button_Click
>> (sender=<optimized
>> > > out>)
>> > > >> >
>> > > >> > Jussi
>> > > >> >
>> > > >> >
>> > > >> >
>> > > >> > On 18 June 2012 22:08, Emil Lenngren <emil.lenngren at ...626...>
>> > wrote:
>> > > >> >
>> > > >> > > Hi. Can you please provide more information? A gdb backtrace or
>> > > >> > something,
>> > > >> > > because I get no errors at all. Everything seems to work for me
>> > ...
>> > > >> > >
>> > > >> > > /Emil
>> > > >> > >
>> > > >> > > 2012/6/18 Jussi Lahtinen <jussi.lahtinen at ...626...>
>> > > >> > >
>> > > >> > > > OK, I found it. See attachment.
>> > > >> > > >
>> > > >> > > > Jussi
>> > > >> > > >
>> > > >> > > >
>> > > >> > > >
>> > > >> > > >
>> > > >> > > > On 17 June 2012 23:36, Jussi Lahtinen <
>> jussi.lahtinen at ...626...
>> > >
>> > > >> > wrote:
>> > > >> > > >
>> > > >> > > > > OK, that is fixed, and I cannot see any problems with
>> compare
>> > > >> method
>> > > >> > > > > anymore.
>> > > >> > > > >
>> > > >> > > > > But with my big project, I got this with signal 6;
>> > > >> > > > > gbx3: ExecutionEngine.cpp:165: void
>> > > >> > > > > llvm::ExecutionEngine::addGlobalMapping(const
>> > > llvm::GlobalValue*,
>> > > >> > > void*):
>> > > >> > > > > Assertion `(CurVal == 0 || Addr == 0) && "GlobalMapping
>> > already
>> > > >> > > > > established!"' failed.
>> > > >> > > > >
>> > > >> > > > > I'm out of time, but as soon as I have time I try to
>> isolate
>> > > code
>> > > >> > > causing
>> > > >> > > > > the problem.
>> > > >> > > > >
>> > > >> > > > > Jussi
>> > > >> > > > >
>> > > >> > > > >
>> > > >> > > > >
>> > > >> > > > > On 17 June 2012 20:24, Emil Lenngren <
>> emil.lenngren at ...626...
>> > >
>> > > >> > wrote:
>> > > >> > > > >
>> > > >> > > > >> It should be fixed in revision #4843!
>> > > >> > > > >>
>> > > >> > > > >> /Emil
>> > > >> > > > >>
>> > > >> > > > >> 2012/6/17 Jussi Lahtinen <jussi.lahtinen at ...626...>
>> > > >> > > > >>
>> > > >> > > > >> > Yes, it really works now. And I found  a lot of errors
>> by
>> > me.
>> > > >> > > > >> >
>> > > >> > > > >> > But for some reason JIT raises compare method when it
>> > > >> shouldn't,
>> > > >> > > > >> > and when I tried to isolate the problem I got crash
>> (signal
>> > > >> 11).
>> > > >> > > > >> > This seems not to be related to compare method, so just
>> > > ignore
>> > > >> > name
>> > > >> > > of
>> > > >> > > > >> the
>> > > >> > > > >> > attached project.
>> > > >> > > > >> > I will look it more closely when this is fixed.
>> > > >> > > > >> >
>> > > >> > > > >> > Jussi
>> > > >> > > > >> >
>> > > >> > > > >> >
>> > > >> > > > >> >
>> > > >> > > > >> >
>> > > >> > > > >> > On 17 June 2012 19:01, Emil Lenngren <
>> > > emil.lenngren at ...626...>
>> > > >> > > wrote:
>> > > >> > > > >> >
>> > > >> > > > >> > > Yes, it works now :)
>> > > >> > > > >> > >
>> > > >> > > > >> > > 2012/6/17 Benoît Minisini <
>> gambas at ...1...>
>> > > >> > > > >> > >
>> > > >> > > > >> > > > Le 17/06/2012 02:54, Jussi Lahtinen a écrit :
>> > > >> > > > >> > > > > Yeah, terminal gives other position...
>> > > >> > > > >> > > > > With my actual project, I got error message;
>> wanted
>> > > >> string,
>> > > >> > > got
>> > > >> > > > >> > > > > blaablaaClass instead.
>> > > >> > > > >> > > > > And that error message comes from function (from
>> > other
>> > > >> > module
>> > > >> > > > >> without
>> > > >> > > > >> > > > Fast)
>> > > >> > > > >> > > > > which takes two objects are parameters.
>> > > >> > > > >> > > > >
>> > > >> > > > >> > > > > So either terminal isn't showing the real stack,
>> or
>> > > >> there is
>> > > >> > > > >> > something
>> > > >> > > > >> > > > else
>> > > >> > > > >> > > > > wrong...
>> > > >> > > > >> > > > >
>> > > >> > > > >> > > > > But my time is up, I'll see it tomorrow (with
>> latest
>> > > >> > > revision).
>> > > >> > > > >> > > > >
>> > > >> > > > >> > > > > Jussi
>> > > >> > > > >> > > > >
>> > > >> > > > >> > > > >
>> > > >> > > > >> > > >
>> > > >> > > > >> > > > The incorrect line number problem, as reported by
>> the
>> > > >> debugger
>> > > >> > > > (and
>> > > >> > > > >> not
>> > > >> > > > >> > > > when you run the program normally!), should be
>> fixed in
>> > > >> > revision
>> > > >> > > > >> #4841.
>> > > >> > > > >> > > >
>> > > >> > > > >> > > > Regards,
>> > > >> > > > >> > > >
>> > > >> > > > >> > > > --
>> > > >> > > > >> > > > Benoît Minisini
>> > > >> > > > >> > > >
>> > > >> > > > >> > > >
>> > > >> > > > >> > > >
>> > > >> > > > >> > >
>> > > >> > > > >> >
>> > > >> > > > >>
>> > > >> > > >
>> > > >> > >
>> > > >> >
>> > > >>
>> > >
>> >
>> ------------------------------------------------------------------------------
>> > > >> > > > >> > > > Live Security Virtual Conference
>> > > >> > > > >> > > > Exclusive live event will cover all the ways today's
>> > > >> security
>> > > >> > > and
>> > > >> > > > >> > > > threat landscape has changed and how IT managers can
>> > > >> respond.
>> > > >> > > > >> > Discussions
>> > > >> > > > >> > > > will include endpoint security, mobile security and
>> the
>> > > >> latest
>> > > >> > > in
>> > > >> > > > >> > malware
>> > > >> > > > >> > > > threats.
>> > > >> > > > http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> > > >> > > > >> > > > _______________________________________________
>> > > >> > > > >> > > > Gambas-user mailing list
>> > > >> > > > >> > > > Gambas-user at lists.sourceforge.net
>> > > >> > > > >> > > >
>> > https://lists.sourceforge.net/lists/listinfo/gambas-user
>> > > >> > > > >> > > >
>> > > >> > > > >> > >
>> > > >> > > > >> > >
>> > > >> > > > >> >
>> > > >> > > > >>
>> > > >> > > >
>> > > >> > >
>> > > >> >
>> > > >>
>> > >
>> >
>> ------------------------------------------------------------------------------
>> > > >> > > > >> > > Live Security Virtual Conference
>> > > >> > > > >> > > Exclusive live event will cover all the ways today's
>> > > security
>> > > >> > and
>> > > >> > > > >> > > threat landscape has changed and how IT managers can
>> > > respond.
>> > > >> > > > >> Discussions
>> > > >> > > > >> > > will include endpoint security, mobile security and
>> the
>> > > >> latest
>> > > >> > in
>> > > >> > > > >> malware
>> > > >> > > > >> > > threats.
>> > > >> > > http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> > > >> > > > >> > > _______________________________________________
>> > > >> > > > >> > > Gambas-user mailing list
>> > > >> > > > >> > > Gambas-user at lists.sourceforge.net
>> > > >> > > > >> > >
>> https://lists.sourceforge.net/lists/listinfo/gambas-user
>> > > >> > > > >> > >
>> > > >> > > > >> >
>> > > >> > > > >> >
>> > > >> > > > >> >
>> > > >> > > > >>
>> > > >> > > >
>> > > >> > >
>> > > >> >
>> > > >>
>> > >
>> >
>> ------------------------------------------------------------------------------
>> > > >> > > > >> > Live Security Virtual Conference
>> > > >> > > > >> > Exclusive live event will cover all the ways today's
>> > security
>> > > >> and
>> > > >> > > > >> > threat landscape has changed and how IT managers can
>> > respond.
>> > > >> > > > >> Discussions
>> > > >> > > > >> > will include endpoint security, mobile security and the
>> > > latest
>> > > >> in
>> > > >> > > > >> malware
>> > > >> > > > >> > threats.
>> > > >> > http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> > > >> > > > >> > _______________________________________________
>> > > >> > > > >> > Gambas-user mailing list
>> > > >> > > > >> > Gambas-user at lists.sourceforge.net
>> > > >> > > > >> >
>> https://lists.sourceforge.net/lists/listinfo/gambas-user
>> > > >> > > > >> >
>> > > >> > > > >> >
>> > > >> > > > >>
>> > > >> > > > >>
>> > > >> > > >
>> > > >> > >
>> > > >> >
>> > > >>
>> > >
>> >
>> ------------------------------------------------------------------------------
>> > > >> > > > >> Live Security Virtual Conference
>> > > >> > > > >> Exclusive live event will cover all the ways today's
>> security
>> > > and
>> > > >> > > > >> threat landscape has changed and how IT managers can
>> respond.
>> > > >> > > > Discussions
>> > > >> > > > >> will include endpoint security, mobile security and the
>> > latest
>> > > in
>> > > >> > > > malware
>> > > >> > > > >> threats.
>> > > >> http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> > > >> > > > >> _______________________________________________
>> > > >> > > > >> Gambas-user mailing list
>> > > >> > > > >> Gambas-user at lists.sourceforge.net
>> > > >> > > > >> https://lists.sourceforge.net/lists/listinfo/gambas-user
>> > > >> > > > >>
>> > > >> > > > >
>> > > >> > > > >
>> > > >> > > >
>> > > >> > > >
>> > > >> > > >
>> > > >> > >
>> > > >> >
>> > > >>
>> > >
>> >
>> ------------------------------------------------------------------------------
>> > > >> > > > Live Security Virtual Conference
>> > > >> > > > Exclusive live event will cover all the ways today's security
>> > and
>> > > >> > > > threat landscape has changed and how IT managers can respond.
>> > > >> > Discussions
>> > > >> > > > will include endpoint security, mobile security and the
>> latest
>> > in
>> > > >> > malware
>> > > >> > > > threats.
>> > > http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> > > >> > > > _______________________________________________
>> > > >> > > > Gambas-user mailing list
>> > > >> > > > Gambas-user at lists.sourceforge.net
>> > > >> > > > https://lists.sourceforge.net/lists/listinfo/gambas-user
>> > > >> > > >
>> > > >> > > >
>> > > >> > >
>> > > >> > >
>> > > >> >
>> > > >>
>> > >
>> >
>> ------------------------------------------------------------------------------
>> > > >> > > Live Security Virtual Conference
>> > > >> > > Exclusive live event will cover all the ways today's security
>> and
>> > > >> > > threat landscape has changed and how IT managers can respond.
>> > > >> Discussions
>> > > >> > > will include endpoint security, mobile security and the latest
>> in
>> > > >> malware
>> > > >> > > threats.
>> > http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> > > >> > > _______________________________________________
>> > > >> > > Gambas-user mailing list
>> > > >> > > Gambas-user at lists.sourceforge.net
>> > > >> > > https://lists.sourceforge.net/lists/listinfo/gambas-user
>> > > >> > >
>> > > >> >
>> > > >> >
>> > > >>
>> > >
>> >
>> ------------------------------------------------------------------------------
>> > > >> > Live Security Virtual Conference
>> > > >> > Exclusive live event will cover all the ways today's security and
>> > > >> > threat landscape has changed and how IT managers can respond.
>> > > >> Discussions
>> > > >> > will include endpoint security, mobile security and the latest in
>> > > >> malware
>> > > >> > threats.
>> http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> > > >> > _______________________________________________
>> > > >> > Gambas-user mailing list
>> > > >> > Gambas-user at lists.sourceforge.net
>> > > >> > https://lists.sourceforge.net/lists/listinfo/gambas-user
>> > > >> >
>> > > >>
>> > > >>
>> > >
>> >
>> ------------------------------------------------------------------------------
>> > > >> Live Security Virtual Conference
>> > > >> Exclusive live event will cover all the ways today's security and
>> > > >> threat landscape has changed and how IT managers can respond.
>> > > Discussions
>> > > >> will include endpoint security, mobile security and the latest in
>> > > malware
>> > > >> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> > > >> _______________________________________________
>> > > >> Gambas-user mailing list
>> > > >> Gambas-user at lists.sourceforge.net
>> > > >> https://lists.sourceforge.net/lists/listinfo/gambas-user
>> > > >>
>> > > >
>> > > >
>> > >
>> > >
>> > >
>> >
>> ------------------------------------------------------------------------------
>> > > Live Security Virtual Conference
>> > > Exclusive live event will cover all the ways today's security and
>> > > threat landscape has changed and how IT managers can respond.
>> Discussions
>> > > will include endpoint security, mobile security and the latest in
>> malware
>> > > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> > > _______________________________________________
>> > > Gambas-user mailing list
>> > > Gambas-user at lists.sourceforge.net
>> > > https://lists.sourceforge.net/lists/listinfo/gambas-user
>> > >
>> > >
>> >
>> >
>> ------------------------------------------------------------------------------
>> > Live Security Virtual Conference
>> > Exclusive live event will cover all the ways today's security and
>> > threat landscape has changed and how IT managers can respond.
>> Discussions
>> > will include endpoint security, mobile security and the latest in
>> malware
>> > threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> > _______________________________________________
>> > Gambas-user mailing list
>> > Gambas-user at lists.sourceforge.net
>> > https://lists.sourceforge.net/lists/listinfo/gambas-user
>> >
>>
>> ------------------------------------------------------------------------------
>> Live Security Virtual Conference
>> Exclusive live event will cover all the ways today's security and
>> threat landscape has changed and how IT managers can respond. Discussions
>> will include endpoint security, mobile security and the latest in malware
>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
>> _______________________________________________
>> Gambas-user mailing list
>> Gambas-user at lists.sourceforge.net
>> https://lists.sourceforge.net/lists/listinfo/gambas-user
>>
>
>

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