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Thomas Gleixner686d8c62007-10-17 18:04:40 +02001#ifndef _ASM_X86_PTRACE_ABI_H
2#define _ASM_X86_PTRACE_ABI_H
3
4#ifdef __i386__
5
6#define EBX 0
7#define ECX 1
8#define EDX 2
9#define ESI 3
10#define EDI 4
11#define EBP 5
12#define EAX 6
13#define DS 7
14#define ES 8
15#define FS 9
16#define GS 10
17#define ORIG_EAX 11
18#define EIP 12
19#define CS 13
20#define EFL 14
21#define UESP 15
22#define SS 16
23#define FRAME_SIZE 17
24
25#else /* __i386__ */
26
27#if defined(__ASSEMBLY__) || defined(__FRAME_OFFSETS)
28#define R15 0
29#define R14 8
30#define R13 16
31#define R12 24
32#define RBP 32
33#define RBX 40
34/* arguments: interrupts/non tracing syscalls only save upto here*/
35#define R11 48
36#define R10 56
37#define R9 64
38#define R8 72
39#define RAX 80
40#define RCX 88
41#define RDX 96
42#define RSI 104
43#define RDI 112
44#define ORIG_RAX 120 /* = ERROR */
45/* end of arguments */
46/* cpu exception frame or undefined in case of fast syscall. */
47#define RIP 128
48#define CS 136
49#define EFLAGS 144
50#define RSP 152
51#define SS 160
52#define ARGOFFSET R11
53#endif /* __ASSEMBLY__ */
54
55/* top of stack page */
56#define FRAME_SIZE 168
57
58#endif /* !__i386__ */
59
60/* Arbitrarily choose the same ptrace numbers as used by the Sparc code. */
61#define PTRACE_GETREGS 12
62#define PTRACE_SETREGS 13
63#define PTRACE_GETFPREGS 14
64#define PTRACE_SETFPREGS 15
65#define PTRACE_GETFPXREGS 18
66#define PTRACE_SETFPXREGS 19
67
68#define PTRACE_OLDSETOPTIONS 21
69
70/* only useful for access 32bit programs / kernels */
71#define PTRACE_GET_THREAD_AREA 25
72#define PTRACE_SET_THREAD_AREA 26
73
74#ifdef __x86_64__
75# define PTRACE_ARCH_PRCTL 30
Thomas Gleixner686d8c62007-10-17 18:04:40 +020076#endif
77
Roland McGrathd4d67152008-07-09 02:38:07 -070078#define PTRACE_SYSEMU 31
79#define PTRACE_SYSEMU_SINGLESTEP 32
80
Roland McGrath0fa376e2008-01-30 13:30:55 +010081#define PTRACE_SINGLEBLOCK 33 /* resume execution until next branch */
82
Andi Kleen27efeb62008-01-30 13:32:36 +010083#ifndef __ASSEMBLY__
Markus Metzger87e84072008-01-30 13:32:54 +010084
85#include <asm/types.h>
86
Markus Metzgera95d67f2008-01-30 13:31:20 +010087/* configuration/status structure used in PTRACE_BTS_CONFIG and
88 PTRACE_BTS_STATUS commands.
89*/
90struct ptrace_bts_config {
91 /* requested or actual size of BTS buffer in bytes */
Dave Anderson53c58582008-02-21 11:45:38 -050092 __u32 size;
Markus Metzgera95d67f2008-01-30 13:31:20 +010093 /* bitmask of below flags */
Dave Anderson53c58582008-02-21 11:45:38 -050094 __u32 flags;
Markus Metzgerc6334592008-01-30 13:32:04 +010095 /* buffer overflow signal */
Dave Anderson53c58582008-02-21 11:45:38 -050096 __u32 signal;
Markus Metzger87e84072008-01-30 13:32:54 +010097 /* actual size of bts_struct in bytes */
Dave Anderson53c58582008-02-21 11:45:38 -050098 __u32 bts_size;
Markus Metzgera95d67f2008-01-30 13:31:20 +010099};
Andi Kleen27efeb62008-01-30 13:32:36 +0100100#endif
Markus Metzgereee3af42008-01-30 13:31:09 +0100101
Markus Metzgera95d67f2008-01-30 13:31:20 +0100102#define PTRACE_BTS_O_TRACE 0x1 /* branch trace */
103#define PTRACE_BTS_O_SCHED 0x2 /* scheduling events w/ jiffies */
Markus Metzgerc6334592008-01-30 13:32:04 +0100104#define PTRACE_BTS_O_SIGNAL 0x4 /* send SIG<signal> on buffer overflow
Markus Metzgera95d67f2008-01-30 13:31:20 +0100105 instead of wrapping around */
106#define PTRACE_BTS_O_CUT_SIZE 0x8 /* cut requested size to max available
107 instead of failing */
Markus Metzgereee3af42008-01-30 13:31:09 +0100108
Markus Metzgera95d67f2008-01-30 13:31:20 +0100109#define PTRACE_BTS_CONFIG 40
110/* Configure branch trace recording.
Markus Metzgercba4b652008-01-30 13:32:03 +0100111 ADDR points to a struct ptrace_bts_config.
112 DATA gives the size of that buffer.
Markus Metzgera95d67f2008-01-30 13:31:20 +0100113 A new buffer is allocated, iff the size changes.
Markus Metzgercba4b652008-01-30 13:32:03 +0100114 Returns the number of bytes read.
Markus Metzgera95d67f2008-01-30 13:31:20 +0100115*/
116#define PTRACE_BTS_STATUS 41
Markus Metzgercba4b652008-01-30 13:32:03 +0100117/* Return the current configuration in a struct ptrace_bts_config
118 pointed to by ADDR; DATA gives the size of that buffer.
119 Returns the number of bytes written.
Markus Metzgera95d67f2008-01-30 13:31:20 +0100120*/
121#define PTRACE_BTS_SIZE 42
122/* Return the number of available BTS records.
123 DATA and ADDR are ignored.
124*/
125#define PTRACE_BTS_GET 43
126/* Get a single BTS record.
127 DATA defines the index into the BTS array, where 0 is the newest
128 entry, and higher indices refer to older entries.
129 ADDR is pointing to struct bts_struct (see asm/ds.h).
130*/
131#define PTRACE_BTS_CLEAR 44
132/* Clear the BTS buffer.
133 DATA and ADDR are ignored.
134*/
135#define PTRACE_BTS_DRAIN 45
136/* Read all available BTS records and clear the buffer.
Markus Metzgercba4b652008-01-30 13:32:03 +0100137 ADDR points to an array of struct bts_struct.
138 DATA gives the size of that buffer.
Markus Metzgera95d67f2008-01-30 13:31:20 +0100139 BTS records are read from oldest to newest.
140 Returns number of BTS records drained.
141*/
Markus Metzgereee3af42008-01-30 13:31:09 +0100142
Thomas Gleixner96a388d2007-10-11 11:20:03 +0200143#endif