hi all: 2011/1/3 Sowmya Sridharan <sowmya.sridharan@xxxxxxx>: > > Hi, > > I was able to check it in 2.6.36 version of kernel, and it is defined in > traps.c. > http://lxr.linux.no/linux+v2.6.36/arch/mips/kernel/traps.c#L205 > > dump_stack() calls show_backtrace function which had been show_trace in the > earlier kernel versions. > I compared between 2.6.14 and the latest version, and here are the > differences: > ------------------------------------------------------------------------------- > http://lxr.linux.no/linux+v2.6.14/arch/mips/kernel/traps.c#L110 > function: show_trace > while (!kstack_end(stack)) { > addr = *stack++; > if (__kernel_text_address(addr)) { > printk(" [<%0*lx>] ", field, addr); > print_symbol("%s\n", addr); > } > } > --------------------------------------------------------------------------------- > In the latest kernel, show_backtrace function is used, which does the same > thing, but through different functions > http://lxr.linux.no/linux+v2.6.36/arch/mips/kernel/traps.c#L126 > function: show_backtrace > printk("Call Trace:\n"); > do { > print_ip_sym(pc); > pc = unwind_stack(task, &sp, pc, &ra); > } while (pc); > > > Regards, > Sowmya thanks for your kind help, that is what I want. previously, I only see the address instead of function name, but after I select CONFIG_KALLSYMS as Y, I can see the function names also. BTW, what is the mechanism that kernel take to find out the function name? Regards, miloody _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx http://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
