RFR(S) 8193318: ELF decoder should be able to use external debug info file

[yumin qi]

I think the way to do it is share .[h]pp and include .[c]pp in both make
files.
That is, in SA, where you use decode, include the head for it. Remove
decode from SA. You need be careful for the change.

Yumin

On Thu, Mar 1, 2018 at 7:26 AM, Zhengyu Gu <zgu at redhat.com> wrote:

> Hi Andrew,
>
> On 03/01/2018 04:03 AM, Andrew Haley wrote:
>
>> On 23/02/18 17:01, Aleksey Shipilev wrote:
>>
>>> *) I am wondering if we can merge the existing implementation in
>>> src/jdk.hotspot.agent/linux/native/libsaproc/symtab.c and this mirror
>>> implementation in
>>> src/hotspot/os/linux/decoder_linux.cpp? Notably, moving
>>> gnu_debuglink_crc32 to some shared file
>>> would trim down the change.
>>>
>>> Andrew Haley knows this better, as he is the author of the related
>>> change.
>>>
>>
>> It would be nice not to have to repeat all this stuff.
>>
>> Agree. However, I am not aware a way to share code between agent and
> hotspot.
>
> Any suggestions?
>
> Thanks,
>
> -Zhengyu
>