[LLVMdev] Generate .debug_info for asm files?

[Eric Christopher]

Sure, a patch to be compatible here sounds great. Thanks!

On Thu, May 28, 2015, 8:01 AM Alex <alexinbeijing at gmail.com> wrote:

> On Thu, May 28, 2015 at 4:36 PM, Alex <alexinbeijing at gmail.com> wrote:
>
>> Dear LLVM devs,
>>
>> I've noticed that LLVM's assembler (and hence clang) doesn't generate
>> debug data when assembling, even when run with "-g".
>>
>
> Sorry, let me correct that: the assembler does generate the .debug_info
> section (as well as line number data) when run with "-g". I was wrong,
> sorry.
>
> The issue I am having with GDB is occurring because using ".file"
> directives with LLVM's assembler doesn't automatically add
> DW_TAG_compile_unit DIEs to the .debug_info and .debug_aranges sections.
> (It does with GAS.)
>
> When the assembler is run with -g, it does generate the
> DW_TAG_compile_unit DIEs. There is no problem there. The problem comes when
> you want to manually include your own debug data using assembler
> directives. This is useful when the assembler is generated from some other
> source.
>
> So what I should have said is: would you be interested in a patch which
> makes ".file" directives generate DW_TAG_compile_unit DIEs?
>
> Thanks, Alex Dowad
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