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#ifndef _ASM_KPROBES_H
#define _ASM_KPROBES_H
/*
 *  Kernel Probes (KProbes)
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 *
 * Copyright (C) IBM Corporation, 2002, 2004
 * Copyright (C) Intel Corporation, 2005
 *
 * 2005-Apr     Rusty Lynch <rusty.lynch@intel.com> and Anil S Keshavamurthy
 *              <anil.s.keshavamurthy@intel.com> adapted from i386
 */
#include <asm-generic/kprobes.h>
#include <asm/break.h>

#define BREAK_INST	(long)(__IA64_BREAK_KPROBE << 6)

#ifdef CONFIG_KPROBES

#include <linux/types.h>
#include <linux/ptrace.h>
#include <linux/percpu.h>

#define __ARCH_WANT_KPROBES_INSN_SLOT
#define MAX_INSN_SIZE   2	/* last half is for kprobe-booster */
#define NOP_M_INST	(long)(1<<27)
#define BRL_INST(i1, i2) ((long)((0xcL << 37) |	/* brl */ \
				(0x1L << 12) |	/* many */ \
				(((i1) & 1) << 36) | ((i2) << 13))) /* imm */

typedef union cmp_inst {
	struct {
	unsigned long long qp : 6;
	unsigned long long p1 : 6;
	unsigned long long c  : 1;
	unsigned long long r2 : 7;
	unsigned long long r3 : 7;
	unsigned long long p2 : 6;
	unsigned long long ta : 1;
	unsigned long long x2 : 2;
	unsigned long long tb : 1;
	unsigned long long opcode : 4;
	unsigned long long reserved : 23;
	}f;
	unsigned long long l;
} cmp_inst_t;

struct kprobe;

typedef struct _bundle {
	struct {
		unsigned long long template : 5;
		unsigned long long slot0 : 41;
		unsigned long long slot1_p0 : 64-46;
	} quad0;
	struct {
		unsigned long long slot1_p1 : 41 - (64-46);
		unsigned long long slot2 : 41;
	} quad1;
} __attribute__((__aligned__(16)))  bundle_t;

struct prev_kprobe {
	struct kprobe *kp;
	unsigned long status;
};

#define	MAX_PARAM_RSE_SIZE	(0x60+0x60/0x3f)
/* per-cpu kprobe control block */
#define ARCH_PREV_KPROBE_SZ 2
struct kprobe_ctlblk {
	unsigned long kprobe_status;
	struct pt_regs jprobe_saved_regs;
	unsigned long jprobes_saved_stacked_regs[MAX_PARAM_RSE_SIZE];
	unsigned long *bsp;
	unsigned long cfm;
	atomic_t prev_kprobe_index;
	struct prev_kprobe prev_kprobe[ARCH_PREV_KPROBE_SZ];
};

#define kretprobe_blacklist_size 0

#define SLOT0_OPCODE_SHIFT	(37)
#define SLOT1_p1_OPCODE_SHIFT	(37 - (64-46))
#define SLOT2_OPCODE_SHIFT 	(37)

#define INDIRECT_CALL_OPCODE		(1)
#define IP_RELATIVE_CALL_OPCODE		(5)
#define IP_RELATIVE_BRANCH_OPCODE	(4)
#define IP_RELATIVE_PREDICT_OPCODE	(7)
#define LONG_BRANCH_OPCODE		(0xC)
#define LONG_CALL_OPCODE		(0xD)
#define flush_insn_slot(p)		do { } while (0)

typedef struct kprobe_opcode {
	bundle_t bundle;
} kprobe_opcode_t;

/* Architecture specific copy of original instruction*/
struct arch_specific_insn {
	/* copy of the instruction to be emulated */
	kprobe_opcode_t *insn;
 #define INST_FLAG_FIX_RELATIVE_IP_ADDR		1
 #define INST_FLAG_FIX_BRANCH_REG		2
 #define INST_FLAG_BREAK_INST			4
 #define INST_FLAG_BOOSTABLE			8
 	unsigned long inst_flag;
 	unsigned short target_br_reg;
	unsigned short slot;
};

extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
extern int kprobe_exceptions_notify(struct notifier_block *self,
				    unsigned long val, void *data);

extern void invalidate_stacked_regs(void);
extern void flush_register_stack(void);
extern void arch_remove_kprobe(struct kprobe *p);

#endif /* CONFIG_KPROBES */
#endif /* _ASM_KPROBES_H */

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Name Type Size Permission Actions
native Folder 0755
sn Folder 0755
uv Folder 0755
Kbuild File 224 B 0644
acenv.h File 1.27 KB 0644
acpi-ext.h File 590 B 0644
acpi.h File 4.1 KB 0644
agp.h File 857 B 0644
asm-offsets.h File 35 B 0644
asm-prototypes.h File 890 B 0644
asmmacro.h File 3.29 KB 0644
atomic.h File 9.47 KB 0644
barrier.h File 2.36 KB 0644
bitops.h File 10.84 KB 0644
bug.h File 404 B 0644
bugs.h File 436 B 0644
cache.h File 771 B 0644
cacheflush.h File 1.71 KB 0644
checksum.h File 2.1 KB 0644
clocksource.h File 276 B 0644
cpu.h File 456 B 0644
cputime.h File 855 B 0644
current.h File 418 B 0644
cyclone.h File 442 B 0644
delay.h File 1.7 KB 0644
device.h File 323 B 0644
div64.h File 31 B 0644
dma-mapping.h File 1.17 KB 0644
dma.h File 466 B 0644
dmi.h File 343 B 0644
early_ioremap.h File 428 B 0644
elf.h File 9.83 KB 0644
emergency-restart.h File 149 B 0644
esi.h File 887 B 0644
exception.h File 1.13 KB 0644
export.h File 115 B 0644
extable.h File 330 B 0644
fb.h File 569 B 0644
fpswa.h File 1.88 KB 0644
ftrace.h File 748 B 0644
futex.h File 2.56 KB 0644
gcc_intrin.h File 368 B 0644
hardirq.h File 564 B 0644
hpsim.h File 364 B 0644
hugetlb.h File 1.67 KB 0644
hw_irq.h File 6.33 KB 0644
idle.h File 200 B 0644
intrinsics.h File 306 B 0644
io.h File 11.77 KB 0644
iommu.h File 555 B 0644
iommu_table.h File 175 B 0644
iosapic.h File 3.16 KB 0644
irq.h File 1.02 KB 0644
irq_regs.h File 34 B 0644
irq_remapping.h File 142 B 0644
irqflags.h File 2.11 KB 0644
kdebug.h File 1.64 KB 0644
kexec.h File 1.57 KB 0644
kmap_types.h File 260 B 0644
kprobes.h File 3.82 KB 0644
kregs.h File 6.73 KB 0644
libata-portmap.h File 225 B 0644
linkage.h File 398 B 0644
local.h File 31 B 0644
local64.h File 33 B 0644
machvec.h File 12.1 KB 0644
machvec_dig.h File 449 B 0644
machvec_dig_vtd.h File 558 B 0644
machvec_hpsim.h File 544 B 0644
machvec_hpzx1.h File 544 B 0644
machvec_hpzx1_swiotlb.h File 632 B 0644
machvec_init.h File 1.33 KB 0644
machvec_sn2.h File 4.71 KB 0644
machvec_uv.h File 684 B 0644
mca.h File 5.91 KB 0644
mca_asm.h File 7.18 KB 0644
meminit.h File 2.24 KB 0644
mman.h File 432 B 0644
mmu.h File 374 B 0644
mmu_context.h File 5.29 KB 0644
mmzone.h File 1.1 KB 0644
module.h File 1.1 KB 0644
msidef.h File 1.4 KB 0644
nodedata.h File 1.85 KB 0644
numa.h File 2.18 KB 0644
page.h File 6.49 KB 0644
pal.h File 53.39 KB 0644
param.h File 439 B 0644
parport.h File 534 B 0644
patch.h File 1.19 KB 0644
pci.h File 2.83 KB 0644
percpu.h File 1.32 KB 0644
perfmon.h File 4.33 KB 0644
pgalloc.h File 2.84 KB 0644
pgtable.h File 20.92 KB 0644
processor.h File 17.98 KB 0644
ptrace.h File 5.2 KB 0644
rwsem.h File 3.82 KB 0644
sal.h File 26.51 KB 0644
sections.h File 1.35 KB 0644
segment.h File 162 B 0644
serial.h File 446 B 0644
shmparam.h File 445 B 0644
signal.h File 749 B 0644
smp.h File 3.21 KB 0644
sparsemem.h File 621 B 0644
spinlock.h File 6.92 KB 0644
spinlock_types.h File 475 B 0644
string.h File 659 B 0644
swiotlb.h File 344 B 0644
switch_to.h File 2.89 KB 0644
syscall.h File 2.06 KB 0644
termios.h File 1.88 KB 0644
thread_info.h File 4.66 KB 0644
timex.h File 1.47 KB 0644
tlb.h File 8.42 KB 0644
tlbflush.h File 2.33 KB 0644
topology.h File 1.58 KB 0644
types.h File 828 B 0644
uaccess.h File 9.86 KB 0644
unaligned.h File 337 B 0644
uncached.h File 463 B 0644
unistd.h File 1.45 KB 0644
unwind.h File 5.74 KB 0644
user.h File 2.25 KB 0644
ustack.h File 403 B 0644
vga.h File 657 B 0644
xor.h File 1.12 KB 0644