linux-stable/arch/x86/um/sysrq_32.c
Richard Weinberger 9d1ee8ce92 um: Rewrite show_stack()
Currently on UML stack traces are not very reliable and both
x86 and x86_64 have their on implementations.
This patch unifies both and adds support to outline unreliable
functions calls.

Signed-off-by: Richard Weinberger <richard@nod.at>
2013-11-17 11:27:25 +01:00

33 lines
1.1 KiB
C

/*
* Copyright (C) 2001 - 2003 Jeff Dike (jdike@addtoit.com)
* Licensed under the GPL
*/
#include <linux/kernel.h>
#include <linux/smp.h>
#include <linux/sched.h>
#include <linux/kallsyms.h>
#include <asm/ptrace.h>
#include <asm/sysrq.h>
/* This is declared by <linux/sched.h> */
void show_regs(struct pt_regs *regs)
{
printk("\n");
printk("EIP: %04lx:[<%08lx>] CPU: %d %s",
0xffff & PT_REGS_CS(regs), PT_REGS_IP(regs),
smp_processor_id(), print_tainted());
if (PT_REGS_CS(regs) & 3)
printk(" ESP: %04lx:%08lx", 0xffff & PT_REGS_SS(regs),
PT_REGS_SP(regs));
printk(" EFLAGS: %08lx\n %s\n", PT_REGS_EFLAGS(regs),
print_tainted());
printk("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
PT_REGS_AX(regs), PT_REGS_BX(regs),
PT_REGS_CX(regs), PT_REGS_DX(regs));
printk("ESI: %08lx EDI: %08lx EBP: %08lx",
PT_REGS_SI(regs), PT_REGS_DI(regs), PT_REGS_BP(regs));
printk(" DS: %04lx ES: %04lx\n",
0xffff & PT_REGS_DS(regs),
0xffff & PT_REGS_ES(regs));
}