On Thu, Nov 15, 2012 at 1:26 AM, Jakub Jelinek <ja...@redhat.com> wrote: > On Wed, Nov 14, 2012 at 07:51:05PM -0800, H.J. Lu wrote: >> X32 uses 32-bit pointer in software. But its hardware pointer is >> 64-bit. We must use hardware pointer to unwind frames. This patch >> adds uhwptr for hardware pointer and uses it to unwind stack frames. >> Tested on Linux/x32, Linux/x86-64 and Linux/ia32. Please review it >> for upstream. > > IMNSHO libasan should just use libbacktrace for building backtraces (if > available, or backtrace (3)), libbacktrace can be used even to symbolize > the backtrace on the fly, without the need for additional scripts. >
It is a good idea. In the meantime, we should fix libsanitizer for x32. -- H.J.
