powerpc: Delete __cpuinit usage from all users
[linux/fpc-iii.git] / arch / ia64 / include / asm / kprobes.h
blobd5505d6f2382bd00d298639595730000b9347021
1 #ifndef _ASM_KPROBES_H
2 #define _ASM_KPROBES_H
3 /*
4 * Kernel Probes (KProbes)
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
20 * Copyright (C) IBM Corporation, 2002, 2004
21 * Copyright (C) Intel Corporation, 2005
23 * 2005-Apr Rusty Lynch <rusty.lynch@intel.com> and Anil S Keshavamurthy
24 * <anil.s.keshavamurthy@intel.com> adapted from i386
26 #include <linux/types.h>
27 #include <linux/ptrace.h>
28 #include <linux/percpu.h>
29 #include <asm/break.h>
31 #define __ARCH_WANT_KPROBES_INSN_SLOT
32 #define MAX_INSN_SIZE 2 /* last half is for kprobe-booster */
33 #define BREAK_INST (long)(__IA64_BREAK_KPROBE << 6)
34 #define NOP_M_INST (long)(1<<27)
35 #define BRL_INST(i1, i2) ((long)((0xcL << 37) | /* brl */ \
36 (0x1L << 12) | /* many */ \
37 (((i1) & 1) << 36) | ((i2) << 13))) /* imm */
39 typedef union cmp_inst {
40 struct {
41 unsigned long long qp : 6;
42 unsigned long long p1 : 6;
43 unsigned long long c : 1;
44 unsigned long long r2 : 7;
45 unsigned long long r3 : 7;
46 unsigned long long p2 : 6;
47 unsigned long long ta : 1;
48 unsigned long long x2 : 2;
49 unsigned long long tb : 1;
50 unsigned long long opcode : 4;
51 unsigned long long reserved : 23;
52 }f;
53 unsigned long long l;
54 } cmp_inst_t;
56 struct kprobe;
58 typedef struct _bundle {
59 struct {
60 unsigned long long template : 5;
61 unsigned long long slot0 : 41;
62 unsigned long long slot1_p0 : 64-46;
63 } quad0;
64 struct {
65 unsigned long long slot1_p1 : 41 - (64-46);
66 unsigned long long slot2 : 41;
67 } quad1;
68 } __attribute__((__aligned__(16))) bundle_t;
70 struct prev_kprobe {
71 struct kprobe *kp;
72 unsigned long status;
75 #define MAX_PARAM_RSE_SIZE (0x60+0x60/0x3f)
76 /* per-cpu kprobe control block */
77 #define ARCH_PREV_KPROBE_SZ 2
78 struct kprobe_ctlblk {
79 unsigned long kprobe_status;
80 struct pt_regs jprobe_saved_regs;
81 unsigned long jprobes_saved_stacked_regs[MAX_PARAM_RSE_SIZE];
82 unsigned long *bsp;
83 unsigned long cfm;
84 atomic_t prev_kprobe_index;
85 struct prev_kprobe prev_kprobe[ARCH_PREV_KPROBE_SZ];
88 #define kretprobe_blacklist_size 0
90 #define SLOT0_OPCODE_SHIFT (37)
91 #define SLOT1_p1_OPCODE_SHIFT (37 - (64-46))
92 #define SLOT2_OPCODE_SHIFT (37)
94 #define INDIRECT_CALL_OPCODE (1)
95 #define IP_RELATIVE_CALL_OPCODE (5)
96 #define IP_RELATIVE_BRANCH_OPCODE (4)
97 #define IP_RELATIVE_PREDICT_OPCODE (7)
98 #define LONG_BRANCH_OPCODE (0xC)
99 #define LONG_CALL_OPCODE (0xD)
100 #define flush_insn_slot(p) do { } while (0)
102 typedef struct kprobe_opcode {
103 bundle_t bundle;
104 } kprobe_opcode_t;
106 /* Architecture specific copy of original instruction*/
107 struct arch_specific_insn {
108 /* copy of the instruction to be emulated */
109 kprobe_opcode_t *insn;
110 #define INST_FLAG_FIX_RELATIVE_IP_ADDR 1
111 #define INST_FLAG_FIX_BRANCH_REG 2
112 #define INST_FLAG_BREAK_INST 4
113 #define INST_FLAG_BOOSTABLE 8
114 unsigned long inst_flag;
115 unsigned short target_br_reg;
116 unsigned short slot;
119 extern int kprobe_fault_handler(struct pt_regs *regs, int trapnr);
120 extern int kprobe_exceptions_notify(struct notifier_block *self,
121 unsigned long val, void *data);
123 extern void invalidate_stacked_regs(void);
124 extern void flush_register_stack(void);
125 extern void arch_remove_kprobe(struct kprobe *p);
127 #endif /* _ASM_KPROBES_H */