#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 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__