1 /* 1
2 * This file is subject to the terms and condi
3 * License. See the file "COPYING" in the mai
4 * for more details.
5 */
6 #ifndef __ASM_UPROBES_H
7 #define __ASM_UPROBES_H
8
9 #include <linux/notifier.h>
10 #include <linux/types.h>
11
12 #include <asm/break.h>
13 #include <asm/inst.h>
14
15 /*
16 * We want this to be defined as union mips_in
17 * generic code blow up.
18 */
19 typedef u32 uprobe_opcode_t;
20
21 /*
22 * Classic MIPS (note this implementation does
23 * instructions are always 4 bytes but in orde
24 * their delay slots, we treat instructions as
25 */
26 #define MAX_UINSN_BYTES 8
27 #define UPROBE_XOL_SLOT_BYTES 128
28
29 #define UPROBE_BRK_UPROBE 0x000d
30 #define UPROBE_BRK_UPROBE_XOL 0x000e
31
32 #define UPROBE_SWBP_INSN UPROBE
33 #define UPROBE_SWBP_INSN_SIZE 4
34
35 struct arch_uprobe {
36 unsigned long resume_epc;
37 u32 insn[2];
38 u32 ixol[2];
39 };
40
41 struct arch_uprobe_task {
42 unsigned long saved_trap_nr;
43 };
44
45 #endif /* __ASM_UPROBES_H */
46
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