]> git.karo-electronics.de Git - karo-tx-linux.git/blobdiff - arch/sh/kernel/traps_32.c
Merge tag 'for_linux-3.6-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/jwesse...
[karo-tx-linux.git] / arch / sh / kernel / traps_32.c
index a37175deb73fdfa672c604ddab07297c41559981..5f513a64dedfc8f3afa1593a253505d3ce2254eb 100644 (file)
 #include <linux/hardirq.h>
 #include <linux/init.h>
 #include <linux/spinlock.h>
-#include <linux/module.h>
 #include <linux/kallsyms.h>
 #include <linux/io.h>
 #include <linux/bug.h>
 #include <linux/debug_locks.h>
 #include <linux/kdebug.h>
-#include <linux/kexec.h>
 #include <linux/limits.h>
 #include <linux/sysfs.h>
 #include <linux/uaccess.h>
 #define TRAP_ILLEGAL_SLOT_INST 13
 #endif
 
-static void dump_mem(const char *str, unsigned long bottom, unsigned long top)
-{
-       unsigned long p;
-       int i;
-
-       printk("%s(0x%08lx to 0x%08lx)\n", str, bottom, top);
-
-       for (p = bottom & ~31; p < top; ) {
-               printk("%04lx: ", p & 0xffff);
-
-               for (i = 0; i < 8; i++, p += 4) {
-                       unsigned int val;
-
-                       if (p < bottom || p >= top)
-                               printk("         ");
-                       else {
-                               if (__get_user(val, (unsigned int __user *)p)) {
-                                       printk("\n");
-                                       return;
-                               }
-                               printk("%08x ", val);
-                       }
-               }
-               printk("\n");
-       }
-}
-
-static DEFINE_SPINLOCK(die_lock);
-
-void die(const char * str, struct pt_regs * regs, long err)
-{
-       static int die_counter;
-
-       oops_enter();
-
-       spin_lock_irq(&die_lock);
-       console_verbose();
-       bust_spinlocks(1);
-
-       printk("%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter);
-       print_modules();
-       show_regs(regs);
-
-       printk("Process: %s (pid: %d, stack limit = %p)\n", current->comm,
-                       task_pid_nr(current), task_stack_page(current) + 1);
-
-       if (!user_mode(regs) || in_interrupt())
-               dump_mem("Stack: ", regs->regs[15], THREAD_SIZE +
-                        (unsigned long)task_stack_page(current));
-
-       notify_die(DIE_OOPS, str, regs, err, 255, SIGSEGV);
-
-       bust_spinlocks(0);
-       add_taint(TAINT_DIE);
-       spin_unlock_irq(&die_lock);
-       oops_exit();
-
-       if (kexec_should_crash(current))
-               crash_kexec(regs);
-
-       if (in_interrupt())
-               panic("Fatal exception in interrupt");
-
-       if (panic_on_oops)
-               panic("Fatal exception");
-
-       do_exit(SIGSEGV);
-}
-
-static inline void die_if_kernel(const char *str, struct pt_regs *regs,
-                                long err)
-{
-       if (!user_mode(regs))
-               die(str, regs, err);
-}
-
-/*
- * try and fix up kernelspace address errors
- * - userspace errors just cause EFAULT to be returned, resulting in SEGV
- * - kernel/userspace interfaces cause a jump to an appropriate handler
- * - other kernel errors are bad
- */
-static void die_if_no_fixup(const char * str, struct pt_regs * regs, long err)
-{
-       if (!user_mode(regs)) {
-               const struct exception_table_entry *fixup;
-               fixup = search_exception_tables(regs->pc);
-               if (fixup) {
-                       regs->pc = fixup->fixup;
-                       return;
-               }
-
-               die(str, regs, err);
-       }
-}
-
 static inline void sign_extend(unsigned int count, unsigned char *dst)
 {
 #ifdef __LITTLE_ENDIAN__
@@ -900,26 +802,3 @@ void __init trap_init(void)
        set_exception_table_vec(TRAP_UBC, breakpoint_trap_handler);
 #endif
 }
-
-void show_stack(struct task_struct *tsk, unsigned long *sp)
-{
-       unsigned long stack;
-
-       if (!tsk)
-               tsk = current;
-       if (tsk == current)
-               sp = (unsigned long *)current_stack_pointer;
-       else
-               sp = (unsigned long *)tsk->thread.sp;
-
-       stack = (unsigned long)sp;
-       dump_mem("Stack: ", stack, THREAD_SIZE +
-                (unsigned long)task_stack_page(tsk));
-       show_trace(tsk, sp, NULL);
-}
-
-void dump_stack(void)
-{
-       show_stack(NULL, NULL);
-}
-EXPORT_SYMBOL(dump_stack);