Hello, all.
I am trying to find some way for detection of function's entry and
exit analyzing binary at runtime. It is possible to use Valgrind
(www.valgrind.org) and detect all Basic Blocks (1 entry, multiple
exits) that correspond to entry\exit of function.
As far as I understand, at the start
And my main question is it possible to rely on this fact when
compiling with gcc and different levels of optimizations?
No it is not , the compiler (especially trunk) is free to use LR as a
temporary after epilogue has been generated at higher optimization
levels.
Is it
possible to generate
Thank you a lot for your answer, Mr. Radhakrishnan!
I think it was my mistake to use phrase I will save LR at some
place... I mean I can catch the first instruction of any function
precisely. And save LR value at that time to my local storage. And I
also can catch the first instruction after exit
