trace a library call

[Zhihui Zhang]

Suppose I write a program that calls sbrk(). How can I trace into the
function sbrk()? In this particular case, I want to know whether
sbrk() calls the function in file lib/libstand/sbrk.c or sys/sbrk.S.
Sometimes it is nice to see what system call is eventually called as well.
I know dynamic linking may make this hard. But is there a way to do
this? Thanks.

-Zhihui


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