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/usr/share/systemtap/runtime/linux

Name	Size	Mode	Actions
uprobes/	-	0755	rm
uprobes2/	-	0755	rm
access_process_vm.h	4311	0644	edit dl rm
addr-map.c	9749	0644	edit dl rm
alloc.c	15900	0644	edit dl rm
arith.c	16799	0644	edit dl rm
autoconf-514-panic.c	68	0644	edit dl rm
autoconf-access_ok_2args.c	90	0644	edit dl rm
autoconf-alloc-percpu-align.c	118	0644	edit dl rm
autoconf-asm-syscall.c	51	0644	edit dl rm
autoconf-atomic_fetch_add_unless.c	94	0644	edit dl rm
autoconf-bio-bi_opf.c	824	0644	edit dl rm
autoconf-blk-types.c	359	0644	edit dl rm
autoconf-compat-utimbuf.c	53	0644	edit dl rm
autoconf-compat_sigaction.c	448	0644	edit dl rm
autoconf-constant-tsc.c	63	0644	edit dl rm
autoconf-cpu-clock.c	1277	0644	edit dl rm
autoconf-dpath-path.c	121	0644	edit dl rm
autoconf-files_lookup_fd_raw.c	136	0644	edit dl rm
autoconf-from_kuid_munged.c	191	0644	edit dl rm
autoconf-fs_supers-hlist.c	354	0644	edit dl rm
autoconf-generated-compile.c	56	0644	edit dl rm
autoconf-genhd.c	201	0644	edit dl rm
autoconf-get-kretprobe.c	107	0644	edit dl rm
autoconf-get_user_pages-flags.c	1549	0644	edit dl rm
autoconf-get_user_pages-notask_struct.c	1301	0644	edit dl rm
autoconf-get_user_pages_remote-flags.c	1550	0644	edit dl rm
autoconf-get_user_pages_remote-flags_locked.c	1331	0644	edit dl rm
autoconf-get_user_pages_remote-notask_struct.c	1438	0644	edit dl rm
autoconf-grsecurity.c	219	0644	edit dl rm
autoconf-hlist-4args.c	296	0644	edit dl rm
autoconf-hlist_add_tail_rcu.c	112	0644	edit dl rm
autoconf-hrtimer-getset-expires.c	126	0644	edit dl rm
autoconf-hrtimer-rel.c	87	0644	edit dl rm
autoconf-hw_breakpoint_context.c	315	0644	edit dl rm
autoconf-inode-private.c	173	0644	edit dl rm
autoconf-inode-rwsem.c	172	0644	edit dl rm
autoconf-inode-uretprobes.c	264	0644	edit dl rm
autoconf-kernel_read-new-args.c	1030	0644	edit dl rm
autoconf-kprobe-symbol-name.c	90	0644	edit dl rm
autoconf-ktime-get-real.c	98	0644	edit dl rm
autoconf-linux-sched_headers.c	1678	0644	edit dl rm
autoconf-local-clock.c	1282	0644	edit dl rm
autoconf-lockdown-debugfs.c	102	0644	edit dl rm
autoconf-lockdown-kernel.c	90	0644	edit dl rm
autoconf-mm-context-vdso-base.c	117	0644	edit dl rm
autoconf-mm-context-vdso.c	114	0644	edit dl rm
autoconf-mm-shmempages.c	72	0644	edit dl rm
autoconf-mmap_lock.c	175	0644	edit dl rm
autoconf-module-sect-attrs.c	158	0644	edit dl rm
autoconf-module_layout.c	52	0644	edit dl rm
autoconf-mod_kallsyms.c	51	0644	edit dl rm
autoconf-nameidata.c	96	0644	edit dl rm
autoconf-netfilter-4_1.c	769	0644	edit dl rm
autoconf-netfilter-4_4.c	1460	0644	edit dl rm
autoconf-netfilter-313b.c	602	0644	edit dl rm
autoconf-netfilter.c	422	0644	edit dl rm
autoconf-old-inode-uprobes.c	357	0644	edit dl rm
autoconf-oneachcpu-retry.c	957	0644	edit dl rm
autoconf-pagefault_disable.c	137	0644	edit dl rm
autoconf-pde_data.c	226	0644	edit dl rm
autoconf-perf-structpid.c	444	0644	edit dl rm
autoconf-procfs-owner.c	158	0644	edit dl rm
autoconf-proc_ops.c	566	0644	edit dl rm
autoconf-rcu_is_watching.c	385	0644	edit dl rm
autoconf-real-parent.c	427	0644	edit dl rm
autoconf-regset.c	239	0644	edit dl rm
autoconf-relay-umode_t.c	730	0644	edit dl rm
autoconf-relay_buf-per_cpu_ptr.c	920	0644	edit dl rm
autoconf-ring_buffer-flags.c	112	0644	edit dl rm
autoconf-ring_buffer_lost_events.c	296	0644	edit dl rm
autoconf-ring_buffer_read_prepare.c	181	0644	edit dl rm
autoconf-save-stack-trace-no-bp.c	498	0644	edit dl rm
autoconf-save-stack-trace.c	501	0644	edit dl rm
autoconf-set_fs.c	221	0644	edit dl rm
autoconf-smpcall-4args.c	166	0644	edit dl rm
autoconf-smpcall-5args.c	169	0644	edit dl rm
autoconf-stack-trace-save-regs.c	176	0644	edit dl rm
autoconf-stacktrace_ops-int-address.c	409	0644	edit dl rm
autoconf-stacktrace_ops-warning.c	188	0644	edit dl rm
autoconf-syscall_get_args_3args.c	239	0644	edit dl rm
autoconf-task-state.c	550	0644	edit dl rm
autoconf-task-uid.c	152	0644	edit dl rm
autoconf-task_work-struct.c	219	0644	edit dl rm
autoconf-time32-old.c	52	0644	edit dl rm
autoconf-time32.c	53	0644	edit dl rm
autoconf-timerfd.c	232	0644	edit dl rm
autoconf-trace-printk.c	151	0644	edit dl rm
autoconf-tracepoint-has-data.c	493	0644	edit dl rm
autoconf-tracepoint-strings.c	233	0644	edit dl rm
autoconf-uaccess.c	28	0644	edit dl rm
autoconf-uapi-mount.c	52	0644	edit dl rm
autoconf-udelay_simple.c	90	0644	edit dl rm
autoconf-uidgid.c	50	0644	edit dl rm
autoconf-unwind-stack-trace.c	326	0644	edit dl rm
autoconf-uprobe-get-pc.c	374	0644	edit dl rm
autoconf-utrace-regset.c	273	0644	edit dl rm
autoconf-utrace-via-tracepoints.c	1712	0644	edit dl rm
autoconf-vm-area-pte.c	141	0644	edit dl rm
autoconf-walk-stack.c	217	0644	edit dl rm
autoconf-x86-fs.c	90	0644	edit dl rm
autoconf-x86-gs.c	90	0644	edit dl rm
autoconf-x86-uniregs.c	140	0644	edit dl rm
autoconf-x86-xfs.c	91	0644	edit dl rm
common_session_state.h	3249	0644	edit dl rm
compat_net.h	858	0644	edit dl rm
compat_structs.h	4409	0644	edit dl rm
compat_unistd.h	68384	0644	edit dl rm
copy.c	2717	0644	edit dl rm
debug.h	2978	0644	edit dl rm
io.c	5291	0644	edit dl rm
itrace.c	14874	0644	edit dl rm
kprobes.c	25126	0644	edit dl rm
loc2c-runtime.h	29874	0644	edit dl rm
map_list.h	1220	0644	edit dl rm
map_runtime.h	5266	0644	edit dl rm
namespaces.h	7128	0644	edit dl rm
netfilter.c	1410	0644	edit dl rm
perf.c	7596	0644	edit dl rm
perf.h	1272	0644	edit dl rm
perf_event_counter_context.c	336	0644	edit dl rm
perf_probe_handler_nmi.c	278	0644	edit dl rm
perf_read.h	959	0644	edit dl rm
print.c	11402	0644	edit dl rm
probe_lock.h	1807	0644	edit dl rm
regs-ia64.c	3741	0644	edit dl rm
regs.c	13490	0644	edit dl rm
runtime.h	12591	0644	edit dl rm
runtime_context.h	6089	0644	edit dl rm
runtime_defines.h	1041	0644	edit dl rm
stap_mmap_lock.h	343	0644	edit dl rm
stat_runtime.h	1774	0644	edit dl rm
stp_tls.h	1181	0644	edit dl rm
stp_tracepoint.c	11481	0644	edit dl rm
stp_tracepoint.h	2270	0644	edit dl rm
syscalls-common.h	976	0644	edit dl rm
task_finder.c	53860	0644	edit dl rm
task_finder2.c	57640	0644	edit dl rm
task_finder_map.c	5194	0644	edit dl rm
task_finder_stubs.c	2442	0644	edit dl rm
task_work_compatibility.h	1283	0644	edit dl rm
timer.c	2200	0644	edit dl rm
timer.h	1383	0644	edit dl rm
timer_compatibility.h	2317	0644	edit dl rm
uprobes-common.c	15573	0644	edit dl rm
uprobes-common.h	1653	0644	edit dl rm
uprobes-inc.h	484	0644	edit dl rm
uprobes-inode.c	34086	0644	edit dl rm

Edit: /usr/share/systemtap/runtime/linux/regs.c (13490B)

/* -*- linux-c -*- 
 * Functions to access the members of pt_regs struct
 * Copyright (C) 2005, 2007 Red Hat Inc.
 * Copyright (C) 2005 Intel Corporation.
 * Copyright (C) 2007 Quentin Barnes.
 *
 * This file is part of systemtap, and is free software.  You can
 * redistribute it and/or modify it under the terms of the GNU General
 * Public License (GPL); either version 2, or (at your option) any
 * later version.
 */

#ifndef _LINUX_REGS_C_
#define _LINUX_REGS_C_

#include "compatdefs.h"

/** Get the current return address for a return probe.
 * Call from kprobe return probe.
 * @param ri Pointer to the struct kretprobe_instance.
 * @return The return address
 */
// PR29028, ret_addr field may be located in a another struct
#ifdef CONFIG_KRETPROBE_ON_RETHOOK
#define _stp_ret_addr_r(ri) ((ri)->node.ret_addr)
#else
#define _stp_ret_addr_r(ri) ((ri)->ret_addr)
#endif

/** Get the probe address for a kprobe.
 * Call from a kprobe. This will return the
 * address of the function that is being probed.
 * @param kp Pointer to the struct kprobe.
 * @return The function's address
 */
#define _stp_probe_addr(kp) (kp->addr)

/** Get the probe address for a return probe.
 * Call from kprobe return probe. This will return the
 * address of the function that is being probed.
 * @param ri Pointer to the struct kretprobe_instance.
 * @return The function's address
 */
#define _stp_probe_addr_r(ri) (get_kretprobe(ri)->kp.addr)

#if defined  (__x86_64__)

#ifdef STAPCONF_X86_UNIREGS
#define EREG(nm, regs) ((regs)->nm)
#define RREG(nm, regs) ((regs)->nm)
#else
#define EREG(nm, regs) ((regs)->e##nm)
#define RREG(nm, regs) ((regs)->r##nm)
#endif

static void _stp_print_regs(struct pt_regs * regs)
{
	unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L, fs, gs, shadowgs;
	unsigned int fsindex, gsindex;
	unsigned int ds, cs, es;

_stp_printf("RIP: %016lx\nRSP: %016lx  EFLAGS: %08lx\n",
			RREG(ip, regs), RREG(sp, regs), EREG(flags, regs));
	_stp_printf("RAX: %016lx RBX: %016lx RCX: %016lx\n",
			RREG(ax, regs), RREG(bx, regs), RREG(cx, regs));
	_stp_printf("RDX: %016lx RSI: %016lx RDI: %016lx\n",
			RREG(dx, regs), RREG(si, regs), RREG(di, regs));
	_stp_printf("RBP: %016lx R08: %016lx R09: %016lx\n",
			RREG(bp, regs), regs->r8, regs->r9);
	_stp_printf("R10: %016lx R11: %016lx R12: %016lx\n",
			regs->r10, regs->r11, regs->r12);
	_stp_printf("R13: %016lx R14: %016lx R15: %016lx\n",
			regs->r13, regs->r14, regs->r15);

asm("movl %%ds,%0" : "=r" (ds));
	asm("movl %%cs,%0" : "=r" (cs));
	asm("movl %%es,%0" : "=r" (es));
	asm("movl %%fs,%0" : "=r" (fsindex));
	asm("movl %%gs,%0" : "=r" (gsindex));

rdmsrl(MSR_FS_BASE, fs);
	rdmsrl(MSR_GS_BASE, gs);
	rdmsrl(MSR_KERNEL_GS_BASE, shadowgs);

asm("movq %%cr0, %0": "=r" (cr0));
	asm("movq %%cr2, %0": "=r" (cr2));
	asm("movq %%cr3, %0": "=r" (cr3));
	asm("movq %%cr4, %0": "=r" (cr4));

_stp_printf("FS:  %016lx(%04x) GS:%016lx(%04x) knlGS:%016lx\n",
			fs, fsindex, gs, gsindex, shadowgs);
	_stp_printf("CS:  %04x DS: %04x ES: %04x CR0: %016lx\n", cs, ds, es, cr0);
	_stp_printf("CR2: %016lx CR3: %016lx CR4: %016lx\n", cr2, cr3, cr4);
}

#elif defined (__i386__)

#ifdef STAPCONF_X86_UNIREGS
#define EREG(nm, regs) ((regs)->nm)
#define XREG(nm, regs) ((regs)->nm)
#else
#define EREG(nm, regs) ((regs)->e##nm)
#define XREG(nm, regs) ((regs)->x##nm)
#endif

/** Write the registers to a string.
 * @param regs The pt_regs saved by the kprobe.
 * @note i386 and x86_64 only so far. 
 */
static void _stp_print_regs(struct pt_regs * regs)
{
	unsigned long cr0 = 0L, cr2 = 0L, cr3 = 0L, cr4 = 0L;

_stp_printf ("EIP: %08lx\n", EREG(ip, regs));
	_stp_printf ("ESP: %08lx\n", EREG(sp, regs));
	_stp_printf ("EAX: %08lx EBX: %08lx ECX: %08lx EDX: %08lx\n",
			EREG(ax, regs), EREG(bx, regs), EREG(cx, regs), EREG(dx, regs));
	_stp_printf ("ESI: %08lx EDI: %08lx EBP: %08lx",
			EREG(si, regs), EREG(di, regs), EREG(bp, regs));
	_stp_printf (" DS: %04x ES: %04x\n",
			0xffff & XREG(ds, regs), 0xffff & XREG(es, regs));

__asm__("movl %%cr0, %0": "=r" (cr0));
	__asm__("movl %%cr2, %0": "=r" (cr2));
	__asm__("movl %%cr3, %0": "=r" (cr3));
	/* This could fault if %cr4 does not exist */
	__asm__("1: movl %%cr4, %0		\n"
		"2:				\n"
		".section __ex_table,\"a\"	\n"
		".long 1b,2b			\n"
		".previous			\n"
		: "=r" (cr4): "0" (0));
	_stp_printf ("CR0: %08lx CR2: %08lx CR3: %08lx CR4: %08lx\n", cr0, cr2, cr3, cr4);
}

#elif defined (__ia64__)
static void _stp_print_regs(struct pt_regs * regs)
{
     unsigned long ip = regs->cr_iip + ia64_psr(regs)->ri;

_stp_printf("\nPid: %d, CPU %d, comm: %20s\n", current->pid,
		smp_processor_id(), current->comm);
	_stp_printf("psr : %016lx ifs : %016lx ip  : [<%016lx>]  \n",
		regs->cr_ipsr, regs->cr_ifs, ip);
	_stp_printf("unat: %016lx pfs : %016lx rsc : %016lx\n",
		regs->ar_unat, regs->ar_pfs, regs->ar_rsc);
	_stp_printf("rnat: %016lx bsps: %016lx pr  : %016lx\n",
		regs->ar_rnat, regs->ar_bspstore, regs->pr);
	_stp_printf("ldrs: %016lx ccv : %016lx fpsr: %016lx\n",
		regs->loadrs, regs->ar_ccv, regs->ar_fpsr);
	_stp_printf("csd : %016lx ssd : %016lx\n",
		regs->ar_csd, regs->ar_ssd);
	_stp_printf("b0  : %016lx b6  : %016lx b7  : %016lx\n",
		regs->b0, regs->b6, regs->b7);
	_stp_printf("f6  : %05lx%016lx f7  : %05lx%016lx\n",
		regs->f6.u.bits[1], regs->f6.u.bits[0],
		regs->f7.u.bits[1], regs->f7.u.bits[0]);
	_stp_printf("f8  : %05lx%016lx f9  : %05lx%016lx\n",
		regs->f8.u.bits[1], regs->f8.u.bits[0],
		regs->f9.u.bits[1], regs->f9.u.bits[0]);
	_stp_printf("f10 : %05lx%016lx f11 : %05lx%016lx\n",
		regs->f10.u.bits[1], regs->f10.u.bits[0],
		regs->f11.u.bits[1], regs->f11.u.bits[0]);
}

#elif defined (__powerpc64__)

static void _stp_print_regs(struct pt_regs * regs)
{
	int i;

_stp_printf("NIP: %016lX XER: %08X LR: %016lX CTR: %016lX\n",
	       regs->nip, (unsigned int)regs->xer, regs->link, regs->ctr);
	_stp_printf("REGS: %016lx TRAP: %04lx\n", (long)regs, regs->trap);
	_stp_printf("MSR: %016lx CR: %08X\n",
			regs->msr, (unsigned int)regs->ccr);
	_stp_printf("DAR: %016lx DSISR: %016lx\n",
		       	regs->dar, regs->dsisr);

#ifdef CONFIG_SMP
	_stp_printf(" CPU: %d", smp_processor_id());
#endif /* CONFIG_SMP */

for (i = 0; i < 32; i++) {
		if ((i % 4) == 0) {
			_stp_printf("\n GPR%02d: ", i);
		}

_stp_printf("%016lX ", regs->gpr[i]);
/* since kernel commit 8dc7f0229 */
#ifndef FULL_REGS
#define FULL_REGS(r) true
#endif
		if (i == 13 && !FULL_REGS(regs))
			break;
	}
	_stp_printf("\nNIP [%016lx] ", regs->nip);
	_stp_printf("LR [%016lx]\n", regs->link);
}

#elif defined (__aarch64__)
static void _stp_print_regs(struct pt_regs * regs)
{
	int i, top_reg;
	u64 lr, sp;

if (compat_user_mode(regs)) {
		lr = regs->compat_lr;
		sp = regs->compat_sp;
		top_reg = 12;
	} else {
		lr = regs->regs[30];
		sp = regs->sp;
		top_reg = 29;
	}

_stp_printf("pc : [<%016llx>] lr : [<%016llx>] pstate: %08llx\n",
	       regs->pc, lr, regs->pstate);
	_stp_printf("sp : %016llx\n", sp);
	for (i = top_reg; i >= 0; i--) {
		_stp_printf("x%-2d: %016llx ", i, regs->regs[i]);
		if (i % 2 == 0)
			_stp_printf("\n");
	}
	_stp_printf("\n");
}

#elif defined (__arm__)

static const char *processor_modes[]=
{ "USER_26", "FIQ_26" , "IRQ_26" , "SVC_26" , "UK4_26" , "UK5_26" , "UK6_26" , "UK7_26" ,
  "UK8_26" , "UK9_26" , "UK10_26", "UK11_26", "UK12_26", "UK13_26", "UK14_26", "UK15_26",
  "USER_32", "FIQ_32" , "IRQ_32" , "SVC_32" , "UK4_32" , "UK5_32" , "UK6_32" , "ABT_32" ,
  "UK8_32" , "UK9_32" , "UK10_32", "UND_32" , "UK12_32", "UK13_32", "UK14_32", "SYS_32"
};

#ifdef STAPCONF_SET_FS
/* get_ds() removed in 736706bee3298208343a76096370e4f6a5c55915 */
#ifndef get_ds
#define get_ds()	(KERNEL_DS)
#endif
#endif

static void _stp_print_regs(struct pt_regs * regs)
{
	unsigned long flags = regs->ARM_cpsr;

#ifdef CONFIG_SMP
	_stp_printf(" CPU: %d", smp_processor_id());
#endif /* CONFIG_SMP */

_stp_printf("pc : [<%08lx>]    lr : [<%08lx>]\n"
	       "sp : %08lx  ip : %08lx  fp : %08lx\n",
		instruction_pointer(regs),
		regs->ARM_lr, regs->ARM_sp,
		regs->ARM_ip, regs->ARM_fp);
	_stp_printf("r10: %08lx  r9 : %08lx  r8 : %08lx\n",
		regs->ARM_r10, regs->ARM_r9,
		regs->ARM_r8);
	_stp_printf("r7 : %08lx  r6 : %08lx  r5 : %08lx  r4 : %08lx\n",
		regs->ARM_r7, regs->ARM_r6,
		regs->ARM_r5, regs->ARM_r4);
	_stp_printf("r3 : %08lx  r2 : %08lx  r1 : %08lx  r0 : %08lx\n",
		regs->ARM_r3, regs->ARM_r2,
		regs->ARM_r1, regs->ARM_r0);
	_stp_printf("Flags: %c%c%c%c",
		flags & PSR_N_BIT ? 'N' : 'n',
		flags & PSR_Z_BIT ? 'Z' : 'z',
		flags & PSR_C_BIT ? 'C' : 'c',
		flags & PSR_V_BIT ? 'V' : 'v');
#ifdef STAPCONF_SET_FS
	_stp_printf("  IRQs o%s  FIQs o%s  Mode %s%s  Segment %s\n",
#else
	_stp_printf("  IRQs o%s  FIQs o%s  Mode %s%s\n",
#endif
		interrupts_enabled(regs) ? "n" : "ff",
		fast_interrupts_enabled(regs) ? "n" : "ff",
		processor_modes[processor_mode(regs)],
#ifdef STAPCONF_SET_FS
		thumb_mode(regs) ? " (T)" : "",
		get_fs() == get_ds() ? "kernel" : "user");
#else
		thumb_mode(regs) ? " (T)" : "");
#endif
#ifdef CONFIG_CPU_CP15
	{
		unsigned int ctrl;
		  __asm__ (
		"	mrc p15, 0, %0, c1, c0\n"
		: "=r" (ctrl));
		_stp_printf("Control: %04X\n", ctrl);
	}
#ifdef CONFIG_CPU_CP15_MMU
	{
		unsigned int transbase, dac;
		  __asm__ (
		"	mrc p15, 0, %0, c2, c0\n"
		"	mrc p15, 0, %1, c3, c0\n"
		: "=r" (transbase), "=r" (dac));
		_stp_printf("Table: %08X  DAC: %08X\n",
		  	transbase, dac);
	}
#endif
#endif
}

#elif defined (__s390x__) || defined (__s390__)

#ifdef __s390x__
#define GPRSIZE "%016lX "
#else	/* s390 */
#define GPRSIZE "%08lX "
#endif

static void _stp_print_regs(struct pt_regs * regs)
{
	char *mode;
	int i;

mode = (regs->psw.mask & PSW_MASK_PSTATE) ? "User" : "Krnl";
	_stp_printf("%s PSW : ["GPRSIZE"] ["GPRSIZE"]",
		mode, (void *) regs->psw.mask,
		(void *) regs->psw.addr);

#ifdef CONFIG_SMP
	_stp_printf(" CPU: %d", smp_processor_id());
#endif /* CONFIG_SMP */

for (i = 0; i < 16; i++) {
		if ((i % 4) == 0) {
			_stp_printf("\n GPRS%02d: ", i);
		}
		_stp_printf(GPRSIZE, regs->gprs[i]);
	}
	_stp_printf("\n");
}

#elif defined (__mips__)
/*
 * MIPS_CPU_ISA_I was removed from the kernel (3.11) by
 * Commit: 1990e5429c21 ("MIPS: Get rid of MIPS I flag and test macros.")
 */
#ifndef MIPS_CPU_ISA_I
#define IS_CPU_ISA_MIPS_I(x) (!((x) & (MIPS_CPU_ISA_32BIT | MIPS_CPU_ISA_64BIT)))
#else 
#define IS_CPU_ISA_MIPS_I(x) ((x) == MIPS_CPU_ISA_I)
#endif
/*
 * Only o32 application has 32bit registers. N32 and N64 both
 * should use 64bit registers regardless of pointer size
 */
static int _stp_probing_app_with_32bit_regs(struct pt_regs *regs)
{
	if (!regs)
		return 0;
	return (user_mode(regs) &&
                _stp_is_compat_task());
}

void _stp_print_regs(struct pt_regs * regs)
{
#ifdef MIPS_PRINT_REGS_SHOW_SYMBOLS
	/* it is too much stack to do symbol translation by default */
	char symbol_name[KSYM_SYMBOL_LEN];
#endif /* MIPS_PRINT_REGS_SHOW_SYMBOLS */
	const int field = 2 * sizeof(unsigned long);
	unsigned int cause = regs->cp0_cause;
	int i;

#ifdef CONFIG_SMP
	_stp_printf("Cpu %d\n", smp_processor_id());
#endif

/*
	 * Saved main processor registers
	 */
	for (i = 0; i < 32;) {
		if ((i % 4) == 0)
			_stp_printf("$%2d   :", i);
		if (i == 0)
			_stp_printf(" %0*lx", field, 0UL);
		else if (i == 26 || i == 27)
			_stp_printf(" %*s", field, "");
		else
			_stp_printf(" %0*lx", field, regs->regs[i]);

i++;
		if ((i % 4) == 0)
			_stp_printf("\n");
	}

/* Hi and Lo don't exist for R6 */
	if (current_cpu_data.isa_level != MIPS_CPU_ISA_M32R6
		&& current_cpu_data.isa_level != MIPS_CPU_ISA_M64R6) {
		_stp_printf("Hi    : %0*lx\n", field, regs->hi);
		_stp_printf("Lo    : %0*lx\n", field, regs->lo);
	}

/*
	 * Saved cp0 registers
	 */
	_stp_printf("epc   : %0*lx ", field, regs->cp0_epc);
#ifdef MIPS_PRINT_REGS_SHOW_SYMBOLSx
	sprint_symbol(symbol_name, regs->cp0_epc);
	_stp_printf("%s ", symbol_name);
#endif /* MIPS_PRINT_REGS_SHOW_SYMBOLS */

_stp_printf("ra    : %0*lx ", field, regs->regs[31]);
#ifdef MIPS_PRINT_REGS_SHOW_SYMBOLS
	sprint_symbol(symbol_name, regs->regs[31]);
	_stp_printf("%s", symbol_name);
#endif /* MIPS_PRINT_REGS_SHOW_SYMBOLS */
	_stp_printf("\n");

_stp_printf("Status: %08x    ", (uint32_t) regs->cp0_status);

if (IS_CPU_ISA_MIPS_I(current_cpu_data.isa_level)) {
		if (regs->cp0_status & ST0_KUO)
			_stp_printf("KUo ");
		if (regs->cp0_status & ST0_IEO)
			_stp_printf("IEo ");
		if (regs->cp0_status & ST0_KUP)
			_stp_printf("KUp ");
		if (regs->cp0_status & ST0_IEP)
			_stp_printf("IEp ");
		if (regs->cp0_status & ST0_KUC)
			_stp_printf("KUc ");
		if (regs->cp0_status & ST0_IEC)
			_stp_printf("IEc ");
	} else {
		if (regs->cp0_status & ST0_KX)
			_stp_printf("KX ");
		if (regs->cp0_status & ST0_SX)
			_stp_printf("SX ");
		if (regs->cp0_status & ST0_UX)
			_stp_printf("UX ");
		switch (regs->cp0_status & ST0_KSU) {
		case KSU_USER:
			_stp_printf("USER ");
			break;
		case KSU_SUPERVISOR:
			_stp_printf("SUPERVISOR ");
			break;
		case KSU_KERNEL:
			_stp_printf("KERNEL ");
			break;
		default:
			_stp_printf("BAD_MODE ");
			break;
		}
		if (regs->cp0_status & ST0_ERL)
			_stp_printf("ERL ");
		if (regs->cp0_status & ST0_EXL)
			_stp_printf("EXL ");
		if (regs->cp0_status & ST0_IE)
			_stp_printf("IE ");
	}

_stp_printf("\n");

_stp_printf("Cause : %08x\n", cause);

cause = (((cause) & CAUSEF_EXCCODE) >> CAUSEB_EXCCODE);
	if (1 <= cause && cause <= 5)
		_stp_printf("BadVA : %0*lx\n", field, regs->cp0_badvaddr);

_stp_printf("PrId  : %08x\n", read_c0_prid());
}
#endif

#endif /* _LINUX_REGS_C_ */

cmd: