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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [arch/] [i960/] [kernel/] [ptrace.c] - Blame information for rev 1623

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/*
 *  linux/arch/i960/kernel/ptrace.c
 *
 *  Copyright (C) 1998  Keith Adams     <kma@cse.ogi.edu>
 *                      Oregon Graduate Institute
 *
 *  Based on:
 *
 *  linux/arch/m68k/kernel/ptrace
 *
 *  Copyright (C) 1994 by Hamish Macdonald
 *  Taken from linux/kernel/ptrace.c and modified for M680x0.
 *  linux/kernel/ptrace.c is by Ross Biro 1/23/92, edited by Linus Torvalds
 *
 * This file is subject to the terms and conditions of the GNU General
 * Public License.  See the file COPYING in the main directory of
 * this archive for more details.
 */
 
/*
 * XXX: unimplemented
 */
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/string.h>
 
#include <linux/mm.h>
#include <linux/errno.h>
#include <linux/ptrace.h>
#include <linux/user.h>
 
#include <asm/segment.h>
#include <asm/page.h>
#include <asm/pgtable.h>
#include <asm/system.h>
 
/* change a pid into a task struct. */
static inline struct task_struct * get_task(int pid)
{
        int i;
 
        for (i = 1; i < NR_TASKS; i++) {
                if (task[i] != NULL && (task[i]->pid == pid))
                        return task[i];
        }
        return NULL;
}
 
/*
 * Get contents of register REGNO in task TASK.
 */
static inline long get_reg(struct task_struct *task, int regno)
{
        return -1;
}
 
/*
 * Write contents of register REGNO in task TASK.
 */
static inline int put_reg(struct task_struct *task, int regno,
                          unsigned long data)
{
        return -1;
}
 
inline
static unsigned long get_long(struct task_struct * tsk,
        struct vm_area_struct * vma, unsigned long addr)
{
        return *(unsigned long*)addr;
}
 
inline
static void put_long(struct task_struct * tsk, struct vm_area_struct * vma, unsigned long addr,
        unsigned long data)
{
        *(unsigned long*)addr = data;
}
 
 
inline
static int read_long(struct task_struct * tsk, unsigned long addr,
        unsigned long * result)
{
        *result = *(unsigned long *)addr;
        return 0;
}
 
inline
static int write_long(struct task_struct * tsk, unsigned long addr,
        unsigned long data)
{
        *(unsigned long *)addr = data;
        return 0;
}
 
asmlinkage int sys_ptrace(long request, long pid, long addr, long data)
{
        return -1;
}
 
asmlinkage void syscall_trace(void)
{
}

Line No.	Rev	Author	Line
1	1623	jcastillo	`/*`
2			`* linux/arch/i960/kernel/ptrace.c`
3			`*`
4			`* Copyright (C) 1998 Keith Adams <kma@cse.ogi.edu>`
5			`* Oregon Graduate Institute`
6			`*`
7			`* Based on:`
8			`*`
9			`* linux/arch/m68k/kernel/ptrace`
10			`*`
11			`* Copyright (C) 1994 by Hamish Macdonald`
12			`* Taken from linux/kernel/ptrace.c and modified for M680x0.`
13			`* linux/kernel/ptrace.c is by Ross Biro 1/23/92, edited by Linus Torvalds`
14			`*`
15			`* This file is subject to the terms and conditions of the GNU General`
16			`* Public License. See the file COPYING in the main directory of`
17			`* this archive for more details.`
18			`*/`
19
20			`/*`
21			`* XXX: unimplemented`
22			`*/`
23			`#include <linux/kernel.h>`
24			`#include <linux/sched.h>`
25			`#include <linux/string.h>`
26
27			`#include <linux/mm.h>`
28			`#include <linux/errno.h>`
29			`#include <linux/ptrace.h>`
30			`#include <linux/user.h>`
31
32			`#include <asm/segment.h>`
33			`#include <asm/page.h>`
34			`#include <asm/pgtable.h>`
35			`#include <asm/system.h>`
36
37			`/* change a pid into a task struct. */`
38			`static inline struct task_struct * get_task(int pid)`
39			`{`
40			`int i;`
41
42			`for (i = 1; i < NR_TASKS; i++) {`
43			`if (task[i] != NULL && (task[i]->pid == pid))`
44			`return task[i];`
45			`}`
46			`return NULL;`
47			`}`
48
49			`/*`
50			`* Get contents of register REGNO in task TASK.`
51			`*/`
52			`static inline long get_reg(struct task_struct *task, int regno)`
53			`{`
54			`return -1;`
55			`}`
56
57			`/*`
58			`* Write contents of register REGNO in task TASK.`
59			`*/`
60			`static inline int put_reg(struct task_struct *task, int regno,`
61			`unsigned long data)`
62			`{`
63			`return -1;`
64			`}`
65
66			`inline`
67			`static unsigned long get_long(struct task_struct * tsk,`
68			`struct vm_area_struct * vma, unsigned long addr)`
69			`{`
70			`return (unsigned long)addr;`
71			`}`
72
73			`inline`
74			`static void put_long(struct task_struct * tsk, struct vm_area_struct * vma, unsigned long addr,`
75			`unsigned long data)`
76			`{`
77			`(unsigned long)addr = data;`
78			`}`
79
80
81			`inline`
82			`static int read_long(struct task_struct * tsk, unsigned long addr,`
83			`unsigned long * result)`
84			`{`
85			`result = (unsigned long *)addr;`
86			`return 0;`
87			`}`
88
89			`inline`
90			`static int write_long(struct task_struct * tsk, unsigned long addr,`
91			`unsigned long data)`
92			`{`
93			`(unsigned long )addr = data;`
94			`return 0;`
95			`}`
96
97			`asmlinkage int sys_ptrace(long request, long pid, long addr, long data)`
98			`{`
99			`return -1;`
100			`}`
101
102			`asmlinkage void syscall_trace(void)`
103			`{`
104			`}`

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[/] [or1k/] [trunk/] [rc203soc/] [sw/] [uClinux/] [arch/] [i960/] [kernel/] [ptrace.c] - Blame information for rev 1623