Thank you very much. Masatake YAMATO
> On Wed, Dec 18, 2013 at 8:34 AM, Masatake YAMATO <[email protected]> wrote: >> Thank you for replying. >> >> You wrote "if you're unwinding from the same IP address repeatedly." >> >> About strace my understanding is that invalidation is required when >> the target process calls system call which modifies the address space >> like mmap and execve because even IP address is the same IP can point >> different library or executable. Is this correct? > > That's right. You don't have to worry about data getting > mapped/unmapped. But dynamically generated code or code that gets > remapped at runtime needs cache invalidation. > There is a man page for libunwind-dynamic, with an API to be used by > JITs. But it was never tested on x86 to my knowledge. > > -Arun _______________________________________________ Libunwind-devel mailing list [email protected] https://lists.nongnu.org/mailman/listinfo/libunwind-devel
