[PATCH, PING*4] Track indirect calls for call site information in debug info.

Jason Merrill jason@redhat.com
Mon Nov 23 21:18:00 GMT 2015


On 08/31/2015 03:28 AM, Pierre-Marie de Rodat wrote:
> On 07/20/2015 02:45 PM, Pierre-Marie de Rodat wrote:
>> On PowerPC targets with -mlongcall, most subprogram calls are turned
>> into indirect calls: the call target is read from a register even though
>> it is compile-time known. This makes it difficult for machine code
>> static analysis engines to recover the callee information. The attached
>> patch is an attempt to help such engines, generating
>> DW_AT_abstract_origin attributes for all DW_TAG_GNU_call_site we are
>> interested in.
>
> Ping for the patch submitted in
> <https://gcc.gnu.org/ml/gcc-patches/2015-07/msg01641.html>.

Jakub, since DW_TAG_GNU_call_site is your feature, could you review this?

Jason



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