Re: [Valgrind-users] Clarification on functions in pub_tool_tooliface.h

[Ivo R. <iv...@iv...>]

2017-02-25 3:55 GMT+01:00 Mike Lui <mik...@gm...>:
> Being unable to search through gmane for now, I turn to the users group.
>
> I'd like some clarification regarding some functions I'm seeing in the tool
> interface.
>
> track_new_mem_startup
> ....
> track_new_mem_mmap
> ...
> track_pre_mem_read
> track_pre_mem_write
> track_post_mem_write
> track_post_reg_write
>
> These callbacks specifically refer to events within the core, right? Does
> this mean that they bear no relevance to profiling the user application?
>
> Am I correct that a "mem_write" callback only gets called for memory write
> that happens during translation, internal signal handling, etc, along with
> the "new_mmap" calls? If I were to instrument the application under test
> then I'd go through the callback given in "basic_tool_funcs", correct?
>
> I only asks because I just noticed these functions, and the wording in the
> comments wasn't incredibly clear.

Did you get any response for your query? If not, I will chime in.
I.