Would it be possible to replicate the sancov functionality on gcc just through
special trace functions?
From: Martin Liška
Sent: Wednesday, January 20, 2021 11:40 AM
To: Roger Phillips ; gcc@gcc.gnu.org
Cc: weixi@antfin.com
Subject: Re: SanitizerCoverage support
On 1/19/21 12:11 PM, Roger Phillips wrote:
> Does any of these two modes allow me to generate sancov files on function
> level? My intent is to record program flow, then visualize the diff between
> the runs. Most examples I see use edge,bb,func modes so I'm not sure trace-pc
> and trace-pc-cmp are enough.
I think we likely miss the functionality. I briefly looked at:
https://clang.llvm.org/docs/SanitizerCoverage.html and
as shown here:
https://clang.llvm.org/docs/SanitizerCoverage.html#default-implementation
On the other hand, the functionality should be in sanitizer so we may use it.
Martin
