On Dienstag, 16. Mai 2017 03:57:53 CEST Namhyung Kim wrote: > On Mon, May 15, 2017 at 05:13:06PM +0200, Milian Wolff wrote: > > On Monday, May 15, 2017 5:04:44 PM CEST Milian Wolff wrote: > > > As the documentation for dwfl_frame_pc says, frames that > > > are no activation frames need to have their program counter > > > decremented by one to properly find the function of the caller. > > > > Note that this leaves the perf build against libunwind in the current, > > broken state. I do not know how to detect the activation property there. > > Does anyone else? See elfutils source code for what it is doing: > > > > https://sourceware.org/git/?p=elfutils.git;a=blob;f=libdwfl/ > > dwfl_frame_pc.c;h=296c815b9c73f42d79ac1778d2a0c420b89ee4eb;hb=HEAD > > It seems that you can use unw_is_signal_frame().
Thank you! The v2 patch I just sent now uses that and it seems to work reliably in my quick test. Cheers -- Milian Wolff | milian.wo...@kdab.com | Software Engineer KDAB (Deutschland) GmbH&Co KG, a KDAB Group company Tel: +49-30-521325470 KDAB - The Qt Experts
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