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Vegard Nossum77ef50a2008-06-18 17:08:48 +02001#ifndef ASM_X86__PTRACE_ABI_H
2#define ASM_X86__PTRACE_ABI_H
Thomas Gleixner686d8c62007-10-17 18:04:40 +02003
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
Markus Metzger93fa7632008-04-08 11:01:58 +020083#ifdef CONFIG_X86_PTRACE_BTS
Markus Metzger87e84072008-01-30 13:32:54 +010084
Markus Metzger93fa7632008-04-08 11:01:58 +020085#ifndef __ASSEMBLY__
Markus Metzger87e84072008-01-30 13:32:54 +010086#include <asm/types.h>
87
Markus Metzgera95d67f2008-01-30 13:31:20 +010088/* configuration/status structure used in PTRACE_BTS_CONFIG and
89 PTRACE_BTS_STATUS commands.
90*/
91struct ptrace_bts_config {
92 /* requested or actual size of BTS buffer in bytes */
Dave Anderson53c58582008-02-21 11:45:38 -050093 __u32 size;
Markus Metzgera95d67f2008-01-30 13:31:20 +010094 /* bitmask of below flags */
Dave Anderson53c58582008-02-21 11:45:38 -050095 __u32 flags;
Markus Metzgerc6334592008-01-30 13:32:04 +010096 /* buffer overflow signal */
Dave Anderson53c58582008-02-21 11:45:38 -050097 __u32 signal;
Markus Metzger87e84072008-01-30 13:32:54 +010098 /* actual size of bts_struct in bytes */
Dave Anderson53c58582008-02-21 11:45:38 -050099 __u32 bts_size;
Markus Metzgera95d67f2008-01-30 13:31:20 +0100100};
Markus Metzger93fa7632008-04-08 11:01:58 +0200101#endif /* __ASSEMBLY__ */
Markus Metzgereee3af42008-01-30 13:31:09 +0100102
Markus Metzgera95d67f2008-01-30 13:31:20 +0100103#define PTRACE_BTS_O_TRACE 0x1 /* branch trace */
104#define PTRACE_BTS_O_SCHED 0x2 /* scheduling events w/ jiffies */
Markus Metzgerc6334592008-01-30 13:32:04 +0100105#define PTRACE_BTS_O_SIGNAL 0x4 /* send SIG<signal> on buffer overflow
Markus Metzgera95d67f2008-01-30 13:31:20 +0100106 instead of wrapping around */
Markus Metzger93fa7632008-04-08 11:01:58 +0200107#define PTRACE_BTS_O_ALLOC 0x8 /* (re)allocate buffer */
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 Metzger93fa7632008-04-08 11:01:58 +0200113 A new buffer is allocated, if requested in the flags.
114 An overflow signal may only be requested for new buffers.
Markus Metzgercba4b652008-01-30 13:32:03 +0100115 Returns the number of bytes read.
Markus Metzgera95d67f2008-01-30 13:31:20 +0100116*/
117#define PTRACE_BTS_STATUS 41
Markus Metzgercba4b652008-01-30 13:32:03 +0100118/* Return the current configuration in a struct ptrace_bts_config
119 pointed to by ADDR; DATA gives the size of that buffer.
120 Returns the number of bytes written.
Markus Metzgera95d67f2008-01-30 13:31:20 +0100121*/
122#define PTRACE_BTS_SIZE 42
Markus Metzger93fa7632008-04-08 11:01:58 +0200123/* Return the number of available BTS records for draining.
Markus Metzgera95d67f2008-01-30 13:31:20 +0100124 DATA and ADDR are ignored.
125*/
126#define PTRACE_BTS_GET 43
127/* Get a single BTS record.
128 DATA defines the index into the BTS array, where 0 is the newest
129 entry, and higher indices refer to older entries.
130 ADDR is pointing to struct bts_struct (see asm/ds.h).
131*/
132#define PTRACE_BTS_CLEAR 44
133/* Clear the BTS buffer.
134 DATA and ADDR are ignored.
135*/
136#define PTRACE_BTS_DRAIN 45
137/* Read all available BTS records and clear the buffer.
Markus Metzgercba4b652008-01-30 13:32:03 +0100138 ADDR points to an array of struct bts_struct.
139 DATA gives the size of that buffer.
Markus Metzgera95d67f2008-01-30 13:31:20 +0100140 BTS records are read from oldest to newest.
141 Returns number of BTS records drained.
142*/
Markus Metzger93fa7632008-04-08 11:01:58 +0200143#endif /* CONFIG_X86_PTRACE_BTS */
Markus Metzgereee3af42008-01-30 13:31:09 +0100144
Vegard Nossum77ef50a2008-06-18 17:08:48 +0200145#endif /* ASM_X86__PTRACE_ABI_H */