Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Yoshinori Sato | 687 | 99.13% | 2 | 50.00% |
Ingo Molnar | 6 | 0.87% | 2 | 50.00% |
Total | 693 | 4 |
/* * linux/arch/h8300/boot/traps.c -- general exception handling code * H8/300 support Yoshinori Sato <ysato@users.sourceforge.jp> * * Cloned from Linux/m68k. * * No original Copyright holder listed, * Probable original (C) Roman Zippel (assigned DJD, 1999) * * Copyright 1999-2000 D. Jeff Dionne, <jeff@rt-control.com> * * This file is subject to the terms and conditions of the GNU General Public * License. See the file COPYING in the main directory of this archive * for more details. */ #include <linux/types.h> #include <linux/sched.h> #include <linux/sched/debug.h> #include <linux/mm_types.h> #include <linux/kernel.h> #include <linux/errno.h> #include <linux/init.h> #include <linux/module.h> #include <linux/bug.h> #include <asm/irq.h> #include <asm/traps.h> #include <asm/page.h> static DEFINE_SPINLOCK(die_lock); /* * this must be called very early as the kernel might * use some instruction that are emulated on the 060 */ void __init base_trap_init(void) { } void __init trap_init(void) { } asmlinkage void set_esp0(unsigned long ssp) { current->thread.esp0 = ssp; } /* * Generic dumping code. Used for panic and debug. */ static void dump(struct pt_regs *fp) { unsigned long *sp; unsigned char *tp; int i; pr_info("\nCURRENT PROCESS:\n\n"); pr_info("COMM=%s PID=%d\n", current->comm, current->pid); if (current->mm) { pr_info("TEXT=%08x-%08x DATA=%08x-%08x BSS=%08x-%08x\n", (int) current->mm->start_code, (int) current->mm->end_code, (int) current->mm->start_data, (int) current->mm->end_data, (int) current->mm->end_data, (int) current->mm->brk); pr_info("USER-STACK=%08x KERNEL-STACK=%08lx\n\n", (int) current->mm->start_stack, (int) PAGE_SIZE+(unsigned long)current); } show_regs(fp); pr_info("\nCODE:"); tp = ((unsigned char *) fp->pc) - 0x20; for (sp = (unsigned long *) tp, i = 0; (i < 0x40); i += 4) { if ((i % 0x10) == 0) pr_info("\n%08x: ", (int) (tp + i)); pr_info("%08x ", (int) *sp++); } pr_info("\n"); pr_info("\nKERNEL STACK:"); tp = ((unsigned char *) fp) - 0x40; for (sp = (unsigned long *) tp, i = 0; (i < 0xc0); i += 4) { if ((i % 0x10) == 0) pr_info("\n%08x: ", (int) (tp + i)); pr_info("%08x ", (int) *sp++); } pr_info("\n"); if (STACK_MAGIC != *(unsigned long *)((unsigned long)current+PAGE_SIZE)) pr_info("(Possibly corrupted stack page??)\n"); pr_info("\n\n"); } void die(const char *str, struct pt_regs *fp, unsigned long err) { static int diecount; oops_enter(); console_verbose(); spin_lock_irq(&die_lock); report_bug(fp->pc, fp); pr_crit("%s: %04lx [#%d] ", str, err & 0xffff, ++diecount); dump(fp); spin_unlock_irq(&die_lock); do_exit(SIGSEGV); } static int kstack_depth_to_print = 24; void show_stack(struct task_struct *task, unsigned long *esp) { unsigned long *stack, addr; int i; if (esp == NULL) esp = (unsigned long *) &esp; stack = esp; pr_info("Stack from %08lx:", (unsigned long)stack); for (i = 0; i < kstack_depth_to_print; i++) { if (((unsigned long)stack & (THREAD_SIZE - 1)) >= THREAD_SIZE-4) break; if (i % 8 == 0) pr_info(" "); pr_cont(" %08lx", *stack++); } pr_info("\nCall Trace:\n"); i = 0; stack = esp; while (((unsigned long)stack & (THREAD_SIZE - 1)) < THREAD_SIZE-4) { addr = *stack++; /* * If the address is either in the text segment of the * kernel, or in the region which contains vmalloc'ed * memory, it *may* be the address of a calling * routine; if so, print it so that someone tracing * down the cause of the crash will be able to figure * out the call path that was taken. */ if (check_kernel_text(addr)) { if (i % 4 == 0) pr_info(" "); pr_cont(" [<%08lx>]", addr); i++; } } pr_info("\n"); }
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