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-rw-r--r--include/asm-x86/ptrace.h280
1 files changed, 0 insertions, 280 deletions
diff --git a/include/asm-x86/ptrace.h b/include/asm-x86/ptrace.h
deleted file mode 100644
index a2025525a15a..000000000000
--- a/include/asm-x86/ptrace.h
+++ /dev/null
@@ -1,280 +0,0 @@
1#ifndef ASM_X86__PTRACE_H
2#define ASM_X86__PTRACE_H
3
4#include <linux/compiler.h> /* For __user */
5#include <asm/ptrace-abi.h>
6#include <asm/processor-flags.h>
7
8#ifdef __KERNEL__
9#include <asm/ds.h> /* the DS BTS struct is used for ptrace too */
10#include <asm/segment.h>
11#endif
12
13#ifndef __ASSEMBLY__
14
15#ifdef __i386__
16/* this struct defines the way the registers are stored on the
17 stack during a system call. */
18
19#ifndef __KERNEL__
20
21struct pt_regs {
22 long ebx;
23 long ecx;
24 long edx;
25 long esi;
26 long edi;
27 long ebp;
28 long eax;
29 int xds;
30 int xes;
31 int xfs;
32 /* int gs; */
33 long orig_eax;
34 long eip;
35 int xcs;
36 long eflags;
37 long esp;
38 int xss;
39};
40
41#else /* __KERNEL__ */
42
43struct pt_regs {
44 unsigned long bx;
45 unsigned long cx;
46 unsigned long dx;
47 unsigned long si;
48 unsigned long di;
49 unsigned long bp;
50 unsigned long ax;
51 unsigned long ds;
52 unsigned long es;
53 unsigned long fs;
54 /* int gs; */
55 unsigned long orig_ax;
56 unsigned long ip;
57 unsigned long cs;
58 unsigned long flags;
59 unsigned long sp;
60 unsigned long ss;
61};
62
63#endif /* __KERNEL__ */
64
65#else /* __i386__ */
66
67#ifndef __KERNEL__
68
69struct pt_regs {
70 unsigned long r15;
71 unsigned long r14;
72 unsigned long r13;
73 unsigned long r12;
74 unsigned long rbp;
75 unsigned long rbx;
76/* arguments: non interrupts/non tracing syscalls only save upto here*/
77 unsigned long r11;
78 unsigned long r10;
79 unsigned long r9;
80 unsigned long r8;
81 unsigned long rax;
82 unsigned long rcx;
83 unsigned long rdx;
84 unsigned long rsi;
85 unsigned long rdi;
86 unsigned long orig_rax;
87/* end of arguments */
88/* cpu exception frame or undefined */
89 unsigned long rip;
90 unsigned long cs;
91 unsigned long eflags;
92 unsigned long rsp;
93 unsigned long ss;
94/* top of stack page */
95};
96
97#else /* __KERNEL__ */
98
99struct pt_regs {
100 unsigned long r15;
101 unsigned long r14;
102 unsigned long r13;
103 unsigned long r12;
104 unsigned long bp;
105 unsigned long bx;
106/* arguments: non interrupts/non tracing syscalls only save upto here*/
107 unsigned long r11;
108 unsigned long r10;
109 unsigned long r9;
110 unsigned long r8;
111 unsigned long ax;
112 unsigned long cx;
113 unsigned long dx;
114 unsigned long si;
115 unsigned long di;
116 unsigned long orig_ax;
117/* end of arguments */
118/* cpu exception frame or undefined */
119 unsigned long ip;
120 unsigned long cs;
121 unsigned long flags;
122 unsigned long sp;
123 unsigned long ss;
124/* top of stack page */
125};
126
127#endif /* __KERNEL__ */
128#endif /* !__i386__ */
129
130
131#ifdef CONFIG_X86_PTRACE_BTS
132/* a branch trace record entry
133 *
134 * In order to unify the interface between various processor versions,
135 * we use the below data structure for all processors.
136 */
137enum bts_qualifier {
138 BTS_INVALID = 0,
139 BTS_BRANCH,
140 BTS_TASK_ARRIVES,
141 BTS_TASK_DEPARTS
142};
143
144struct bts_struct {
145 __u64 qualifier;
146 union {
147 /* BTS_BRANCH */
148 struct {
149 __u64 from_ip;
150 __u64 to_ip;
151 } lbr;
152 /* BTS_TASK_ARRIVES or
153 BTS_TASK_DEPARTS */
154 __u64 jiffies;
155 } variant;
156};
157#endif /* CONFIG_X86_PTRACE_BTS */
158
159#ifdef __KERNEL__
160
161#include <linux/init.h>
162
163struct cpuinfo_x86;
164struct task_struct;
165
166#ifdef CONFIG_X86_PTRACE_BTS
167extern void __cpuinit ptrace_bts_init_intel(struct cpuinfo_x86 *);
168extern void ptrace_bts_take_timestamp(struct task_struct *, enum bts_qualifier);
169#else
170#define ptrace_bts_init_intel(config) do {} while (0)
171#endif /* CONFIG_X86_PTRACE_BTS */
172
173extern unsigned long profile_pc(struct pt_regs *regs);
174
175extern unsigned long
176convert_ip_to_linear(struct task_struct *child, struct pt_regs *regs);
177extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs,
178 int error_code, int si_code);
179void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
180
181extern long syscall_trace_enter(struct pt_regs *);
182extern void syscall_trace_leave(struct pt_regs *);
183
184static inline unsigned long regs_return_value(struct pt_regs *regs)
185{
186 return regs->ax;
187}
188
189/*
190 * user_mode_vm(regs) determines whether a register set came from user mode.
191 * This is true if V8086 mode was enabled OR if the register set was from
192 * protected mode with RPL-3 CS value. This tricky test checks that with
193 * one comparison. Many places in the kernel can bypass this full check
194 * if they have already ruled out V8086 mode, so user_mode(regs) can be used.
195 */
196static inline int user_mode(struct pt_regs *regs)
197{
198#ifdef CONFIG_X86_32
199 return (regs->cs & SEGMENT_RPL_MASK) == USER_RPL;
200#else
201 return !!(regs->cs & 3);
202#endif
203}
204
205static inline int user_mode_vm(struct pt_regs *regs)
206{
207#ifdef CONFIG_X86_32
208 return ((regs->cs & SEGMENT_RPL_MASK) | (regs->flags & X86_VM_MASK)) >=
209 USER_RPL;
210#else
211 return user_mode(regs);
212#endif
213}
214
215static inline int v8086_mode(struct pt_regs *regs)
216{
217#ifdef CONFIG_X86_32
218 return (regs->flags & X86_VM_MASK);
219#else
220 return 0; /* No V86 mode support in long mode */
221#endif
222}
223
224/*
225 * X86_32 CPUs don't save ss and esp if the CPU is already in kernel mode
226 * when it traps. So regs will be the current sp.
227 *
228 * This is valid only for kernel mode traps.
229 */
230static inline unsigned long kernel_trap_sp(struct pt_regs *regs)
231{
232#ifdef CONFIG_X86_32
233 return (unsigned long)regs;
234#else
235 return regs->sp;
236#endif
237}
238
239static inline unsigned long instruction_pointer(struct pt_regs *regs)
240{
241 return regs->ip;
242}
243
244static inline unsigned long frame_pointer(struct pt_regs *regs)
245{
246 return regs->bp;
247}
248
249static inline unsigned long user_stack_pointer(struct pt_regs *regs)
250{
251 return regs->sp;
252}
253
254/*
255 * These are defined as per linux/ptrace.h, which see.
256 */
257#define arch_has_single_step() (1)
258extern void user_enable_single_step(struct task_struct *);
259extern void user_disable_single_step(struct task_struct *);
260
261extern void user_enable_block_step(struct task_struct *);
262#ifdef CONFIG_X86_DEBUGCTLMSR
263#define arch_has_block_step() (1)
264#else
265#define arch_has_block_step() (boot_cpu_data.x86 >= 6)
266#endif
267
268struct user_desc;
269extern int do_get_thread_area(struct task_struct *p, int idx,
270 struct user_desc __user *info);
271extern int do_set_thread_area(struct task_struct *p, int idx,
272 struct user_desc __user *info, int can_allocate);
273
274#define __ARCH_WANT_COMPAT_SYS_PTRACE
275
276#endif /* __KERNEL__ */
277
278#endif /* !__ASSEMBLY__ */
279
280#endif /* ASM_X86__PTRACE_H */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-20 10:42:46 -0500