Hi, all:
I want to unwind the call trace of a binary or kernel (linux). If I can
decide whether the binary or kernel use the frame pointers, I can process the
stack in 2 different ways. While they use the frame pointer, I can walk the
stack in a while loop. While they don't use the frame pointers, I can copy the
stack into user space, and unwind it with libunwind, like perf events.
So, is there any way to decide the binary is compiled with frame pointers
on the fly?
regards
Chenggang
thanks
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