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-rw-r--r--arch/sh/kernel/traps_32.c71
1 files changed, 0 insertions, 71 deletions
diff --git a/arch/sh/kernel/traps_32.c b/arch/sh/kernel/traps_32.c
index b8f5a51841e..5f513a64ded 100644
--- a/arch/sh/kernel/traps_32.c
+++ b/arch/sh/kernel/traps_32.c
@@ -16,13 +16,11 @@
16#include <linux/hardirq.h> 16#include <linux/hardirq.h>
17#include <linux/init.h> 17#include <linux/init.h>
18#include <linux/spinlock.h> 18#include <linux/spinlock.h>
19#include <linux/module.h>
20#include <linux/kallsyms.h> 19#include <linux/kallsyms.h>
21#include <linux/io.h> 20#include <linux/io.h>
22#include <linux/bug.h> 21#include <linux/bug.h>
23#include <linux/debug_locks.h> 22#include <linux/debug_locks.h>
24#include <linux/kdebug.h> 23#include <linux/kdebug.h>
25#include <linux/kexec.h>
26#include <linux/limits.h> 24#include <linux/limits.h>
27#include <linux/sysfs.h> 25#include <linux/sysfs.h>
28#include <linux/uaccess.h> 26#include <linux/uaccess.h>
@@ -48,75 +46,6 @@
48#define TRAP_ILLEGAL_SLOT_INST 13 46#define TRAP_ILLEGAL_SLOT_INST 13
49#endif 47#endif
50 48
51static DEFINE_SPINLOCK(die_lock);
52
53void die(const char * str, struct pt_regs * regs, long err)
54{
55 static int die_counter;
56
57 oops_enter();
58
59 spin_lock_irq(&die_lock);
60 console_verbose();
61 bust_spinlocks(1);
62
63 printk("%s: %04lx [#%d]\n", str, err & 0xffff, ++die_counter);
64 print_modules();
65 show_regs(regs);
66
67 printk("Process: %s (pid: %d, stack limit = %p)\n", current->comm,
68 task_pid_nr(current), task_stack_page(current) + 1);
69
70 if (!user_mode(regs) || in_interrupt())
71 dump_mem("Stack: ", regs->regs[15], THREAD_SIZE +
72 (unsigned long)task_stack_page(current));
73
74 notify_die(DIE_OOPS, str, regs, err, 255, SIGSEGV);
75
76 bust_spinlocks(0);
77 add_taint(TAINT_DIE);
78 spin_unlock_irq(&die_lock);
79 oops_exit();
80
81 if (kexec_should_crash(current))
82 crash_kexec(regs);
83
84 if (in_interrupt())
85 panic("Fatal exception in interrupt");
86
87 if (panic_on_oops)
88 panic("Fatal exception");
89
90 do_exit(SIGSEGV);
91}
92
93static inline void die_if_kernel(const char *str, struct pt_regs *regs,
94 long err)
95{
96 if (!user_mode(regs))
97 die(str, regs, err);
98}
99
100/*
101 * try and fix up kernelspace address errors
102 * - userspace errors just cause EFAULT to be returned, resulting in SEGV
103 * - kernel/userspace interfaces cause a jump to an appropriate handler
104 * - other kernel errors are bad
105 */
106static void die_if_no_fixup(const char * str, struct pt_regs * regs, long err)
107{
108 if (!user_mode(regs)) {
109 const struct exception_table_entry *fixup;
110 fixup = search_exception_tables(regs->pc);
111 if (fixup) {
112 regs->pc = fixup->fixup;
113 return;
114 }
115
116 die(str, regs, err);
117 }
118}
119
120static inline void sign_extend(unsigned int count, unsigned char *dst) 49static inline void sign_extend(unsigned int count, unsigned char *dst)
121{ 50{
122#ifdef __LITTLE_ENDIAN__ 51#ifdef __LITTLE_ENDIAN__