[lldb-dev] Infinite recursion in IRForTarget::RegisterFunctionMetadata

[Todd Fiala]

Nope, thanks Ed.  I'm at 203463 (git 6e3755bab - yours!)

I'll resync and give that a shot, thanks.


On Mon, Mar 10, 2014 at 12:42 PM, Ed Maste <emaste at freebsd.org> wrote:

> Hi Todd,
>
> Do you have r203475 (aka git 7d55d82)?  I updated LLDB for an LLVM API
> change and only had half of the change at first, until that rev.
>
> -Ed
>
>
> On 10 March 2014 15:32, Todd Fiala <tfiala at google.com> wrote:
>
>> Hey all,
>>
>> Anybody else seeing these?  I've got a bunch of tests failing with a few
>> (!) of these in the call stack:
>>
>> (frames below repeat tens of thousands of times)
>>
>> *#45756 *0x00007fa60f00ea5a in IRForTarget::RegisterFunctionMetadata
>> (this=0x7fff0096f0a0, context=...,
>>     function_ptr=0x20a45d0, name=0x7fa5f47a0560 "_ZL6printfPKcz")
>>     at
>> /mnt/ssd/work/git/llgs/llvm/tools/lldb/source/Expression/IRForTarget.cpp:315
>> *#45757* 0x00007fa60f00ea5a in IRForTarget::RegisterFunctionMetadata
>> (this=0x7fff0096f0a0, context=...,
>>     function_ptr=0x20a45d0, name=0x7fa5f47a0560 "_ZL6printfPKcz")
>>     at
>> /mnt/ssd/work/git/llgs/llvm/tools/lldb/source/Expression/IRForTarget.cpp:315
>> ...
>>
>> (here is what drives it)
>>
>> #47524 0x00007fa60f017183 in IRForTarget::runOnModule
>> (this=0x7fff0096f0a0, llvm_module=...)
>>     at
>> /mnt/ssd/work/git/llgs/llvm/tools/lldb/source/Expression/IRForTarget.cpp:2722
>> #47525 0x00007fa60f00a579 in
>> lldb_private::ClangExpressionParser::PrepareForExecution
>> (this=0x7fff0096f2f0,
>>     func_addr=@0x1ff0208: 18446744073709551615, func_end=@0x1ff0210:
>> 18446744073709551615,
>> execution_unit_ap=std::unique_ptr<lldb_private::IRExecutionUnit> containing
>> 0x0, exe_ctx=...,
>>     can_interpret=@0x1ff02a8: false,
>> execution_policy=lldb_private::eExecutionPolicyOnlyWhenNeeded)
>>     at
>> /mnt/ssd/work/git/llgs/llvm/tools/lldb/source/Expression/ClangExpressionParser.cpp:517
>> #47526 0x00007fa60efd21c0 in lldb_private::ClangUserExpression::Parse
>> (this=0x1ff01f0, error_stream=..., exe_ctx=...,
>>     execution_policy=lldb_private::eExecutionPolicyOnlyWhenNeeded,
>> keep_result_in_memory=true)
>>     at
>> /mnt/ssd/work/git/llgs/llvm/tools/lldb/source/Expression/ClangUserExpression.cpp:539
>> #47527 0x00007fa60efd3aac in lldb_private::ClangUserExpression::Evaluate
>> (exe_ctx=..., options=..., expr_cstr=0x1f70a08 "(int)
>> printf(\"\\x68\\x65\\x6c\\x6c\\x6f\\n\")", expr_prefix=0x0,
>> result_valobj_sp=..., error=...) at
>> /mnt/ssd/work/git/llgs/llvm/tools/lldb/source/Expression/ClangUserExpression.cpp:969
>> #47528 0x00007fa60ece67e4 in lldb_private::Target::EvaluateExpression
>> (this=0x1e61100,
>>     expr_cstr=0x1f70a08 "(int) printf(\"\\x68\\x65\\x6c\\x6c\\x6f\\n\")",
>> frame=0x7fa5f4001e40, result_valobj_sp=...,
>>     options=...) at
>> /mnt/ssd/work/git/llgs/llvm/tools/lldb/source/Target/Target.cpp:1910
>> #47529 0x00007fa60ef07d14 in
>> lldb_private::CommandObjectExpression::EvaluateExpression (this=0x191d860,
>>     expr=0x1f70a08 "(int) printf(\"\\x68\\x65\\x6c\\x6c\\x6f\\n\")",
>> output_stream=0x1df8e70, error_stream=0x1df8ec8,
>>     result=0x1df8e70) at
>> /mnt/ssd/work/git/llgs/llvm/tools/lldb/source/Commands/CommandObjectExpression.cpp:301
>> *#47530* 0x00007fa60ef0864a in
>> lldb_private::CommandObjectExpression::DoExecute (this=0x191d860,
>>     command=0x1f70a08 "(int) printf(\"\\x68\\x65\\x6c\\x6c\\x6f\\n\")",
>> result=...)
>>     at
>> /mnt/ssd/work/git/llgs/llvm/tools/lldb/source/Commands/CommandObjectExpression.cpp:485
>>  --
>> Todd Fiala | Software Engineer |  tfiala at google.com |  650-943-3180
>>
>> _______________________________________________
>> lldb-dev mailing list
>> lldb-dev at cs.uiuc.edu
>> http://lists.cs.uiuc.edu/mailman/listinfo/lldb-dev
>>
>>
>


-- 
Todd Fiala | Software Engineer | tfiala at google.com | 650-943-3180
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