[PATCH] Remove ->rq_status from struct request
[linux-2.6] / arch / um / sys-x86_64 / ptrace_user.c
1 /*
2  * Copyright 2003 PathScale, Inc.
3  *
4  * Licensed under the GPL
5  */
6
7 #include <stddef.h>
8 #include <errno.h>
9 #include "ptrace_user.h"
10 #include "user.h"
11 #include "kern_constants.h"
12
13 int ptrace_getregs(long pid, unsigned long *regs_out)
14 {
15         if(ptrace(PTRACE_GETREGS, pid, 0, regs_out) < 0)
16                 return(-errno);
17         return(0);
18 }
19
20 int ptrace_setregs(long pid, unsigned long *regs)
21 {
22         if(ptrace(PTRACE_SETREGS, pid, 0, regs) < 0)
23                 return(-errno);
24         return(0);
25 }
26
27 int ptrace_setfpregs(long pid, unsigned long *regs)
28 {
29         if (ptrace(PTRACE_SETFPREGS, pid, 0, regs) < 0)
30                 return -errno;
31         return 0;
32 }
33
34 void ptrace_pokeuser(unsigned long addr, unsigned long data)
35 {
36         panic("ptrace_pokeuser");
37 }
38
39 #define DS 184
40 #define ES 192
41 #define __USER_DS     0x2b
42
43 void arch_enter_kernel(void *task, int pid)
44 {
45 }
46
47 void arch_leave_kernel(void *task, int pid)
48 {
49 #ifdef UM_USER_CS
50         if(ptrace(PTRACE_POKEUSR, pid, CS, UM_USER_CS) < 0)
51                 printk("POKEUSR CS failed");
52 #endif
53
54         if(ptrace(PTRACE_POKEUSR, pid, DS, __USER_DS) < 0)
55                 printk("POKEUSR DS failed");
56         if(ptrace(PTRACE_POKEUSR, pid, ES, __USER_DS) < 0)
57                 printk("POKEUSR ES failed");
58 }