On 04/03/2017 07:33 PM, Thomas Hellstrom wrote: > On 04/03/2017 07:13 PM, Rob Clark wrote: >> On Mon, Apr 3, 2017 at 12:56 PM, Thomas Hellstrom <thellst...@vmware.com> >> wrote: >>> Hi, Rob, >>> >>> On 03/24/2017 10:21 PM, Rob Clark wrote: >>>> It's kinda sad that (a) we don't have debug_backtrace support on !X86 >>>> and that (b) we re-invent our own crude backtrace support in the first >>>> place. If available, use libunwind instead. The backtrace format is >>>> based on what xserver and weston use, since it is nice not to have to >>>> figure out a different format. >>>> >>>> Signed-off-by: Rob Clark <robdcl...@gmail.com> >>> Did you consider glibc "backtrace()", I think it's also available on ARM... >> I had not.. although xserver and weston are already using libunwind. >> I'm not sure about portability of libunwind to other libc >> implementations (but I guess it is at least not worse than using a >> glibc specific API). >> >> I suppose we could always add a fallback to backtrace(). >> Hmm. This commit (bisected) appears to break svga/vmwgfx in DEBUG mode:
*** Error in `glxgears': malloc(): memory corruption: 0x00000000025c09c0 *** Aborted (core dumped) The svga linux winsys makes extensive use of the backtrace functionality using u_debug_flush.c /Thomas _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev
