[llvm-dev] Introducing debugger tuning for dbx

[Franz Fehringer via llvm-dev]

Thats unfortunate but thx nevertheless.
But debugging clang generated executables with gdb should or will be 
possible (on AIX)?

Am 26.03.2021 um 17:22 schrieb Jinsong Ji:
>
> Hi Franz:
>
> There is currently no plan of supporting lldb on AIX as far as I know.
>
>
> Best,
>
> Jinsong Ji (纪金松), PhD.
>
> XL/LLVM on Power Compiler Development
> E-mail: jji at us.ibm.com
>
> Inactive hide details for Franz Fehringer via llvm-dev ---03/26/2021 
> 10:05:21 AM---While i have no fruitful input regarding youFranz 
> Fehringer via llvm-dev ---03/26/2021 10:05:21 AM---While i have no 
> fruitful input regarding your question(s), just out of curiosity: What 
> ist the stat
>
> From: Franz Fehringer via llvm-dev <llvm-dev at lists.llvm.org>
> To: llvm-dev at lists.llvm.org
> Date: 03/26/2021 10:05 AM
> Subject: [EXTERNAL] Re: [llvm-dev] Introducing debugger tuning for dbx
> Sent by: "llvm-dev" <llvm-dev-bounces at lists.llvm.org>
>
> ------------------------------------------------------------------------
>
>
>
> While i have no fruitful input regarding your question(s), just out of 
> curiosity: What ist the state of affairs for lldb on AIX?
>
> Am 26.03.2021 um 14:16 schrieb Zheng CZ Chen via llvm-dev:
>
>         Hi，
>
>         As some of you may know [1]，we are working on AIX support.
>         Part of the AIX support is debug support, supporting dbx as
>         the consumer of clang DWARF information [2].
>
>         While the dbx team is also working on improving its dwarf
>         support, there are limitations in foreseeable future. Also
>         there are situations on AIX that end user may not get up to
>         date debugger.
>
>         So we are considering doing some compatibly work in clang/llvm
>         to help improving user experience.
>
>         There are some limitations in dbx we know so far:
>               # .dwstr section is not supported for now;
>               # column-info in the line table not supported for now;
>               # sub-optimal handling of unsupported dwarf tags. Eg:
>                 dbx support dwarf 3, but misbehaving with new DWARF 5
>                 tags DW_LANG_C_plus_plus_14 [3].
>
>         As discussed with the reviewers in patch [3], we are
>         considering introducing a new tuning debugger tuning option
>         for dbx, -debugger-tuning=dbx [4], so that we can change some
>         option
>         default on AIX for dbx to accommodate its limitations, eg;
>         -gno-column-info.
>
>         Any thoughts about the direction here? Reviews and feedback to
>         [3][4] are also appreciated.
>
>         [1]:
>         _https://lists.llvm.org/pipermail/llvm-dev/2019-February/130175.html_
>         <https://lists.llvm.org/pipermail/llvm-dev/2019-February/130175.html>
>         [2]:
>         _https://reviews.llvm.org/rGafa76fe67a42f6d40d83a4f7d0cb03373045f3f4_
>         <https://reviews.llvm.org/rGafa76fe67a42f6d40d83a4f7d0cb03373045f3f4>
>         [3]: _https://reviews.llvm.org/D99250_
>         <https://reviews.llvm.org/D99250>
>         [4]: _https://reviews.llvm.org/D99400_
>         <https://reviews.llvm.org/D99400>
>
>         Thanks!
>
>         BRS//
>         Chen Zheng
>         Power Compiler Backend Developer
>
>
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