On Wed, 4 Jul 2007, Mulyadi Santosa wrote: rday wrote: > > obviously, i'll need the actual vmlinux kernel file (which i might > > not have if i've simply sat down at someone else's system.) > Yes, you need vmlinux if you want the addresses to be resolved back > to the related original symbols. But see below.. > > also, must that kernel have been configured with DEBUG_INFO? i > > realize that selecting that config option gives me access to > > kernel variable names, but do i actually need that info? would i > > be able to use gdb to dump what i want by address if i have a > > System.map file that tells me where "jiffies" lives in kernel > > space instead? > > > This is where DEBUG_INFO needed. Without it, vmlinux is pretty > useless because it isn't equipped with symbol table. IIRC, enabling > DEBUG_INFO will compile vmlinux with -g (or maybe -ggdb). surprisingly, that's not true. even without selecting DEBUG_INFO, i still have access to the contents of *simple* symbols via gdb. i'll summarize what i found shortly. rday -- ======================================================================== Robert P. J. Day Linux Consulting, Training and Annoying Kernel Pedantry Waterloo, Ontario, CANADA http://fsdev.net/wiki/index.php?title=Main_Page ======================================================================== -- To unsubscribe from this list: send an email with "unsubscribe kernelnewbies" to ecartis@xxxxxxxxxxxx Please read the FAQ at http://kernelnewbies.org/FAQ
