1610d078b06478cc6717cb384b74c45d062baff6
[muen/linux.git] / arch / alpha / include / asm / a.out-core.h
1 /* a.out coredump register dumper
2  *
3  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4  * Written by David Howells (dhowells@redhat.com)
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public Licence
8  * as published by the Free Software Foundation; either version
9  * 2 of the Licence, or (at your option) any later version.
10  */
11
12 #ifndef _ASM_A_OUT_CORE_H
13 #define _ASM_A_OUT_CORE_H
14
15 #ifdef __KERNEL__
16
17 #include <linux/user.h>
18 #include <linux/mm_types.h>
19
20 /*
21  * Fill in the user structure for an ECOFF core dump.
22  */
23 static inline void aout_dump_thread(struct pt_regs *pt, struct user *dump)
24 {
25         /* switch stack follows right below pt_regs: */
26         struct switch_stack * sw = ((struct switch_stack *) pt) - 1;
27
28         dump->magic = CMAGIC;
29         dump->start_code  = current->mm->start_code;
30         dump->start_data  = current->mm->start_data;
31         dump->start_stack = rdusp() & ~(PAGE_SIZE - 1);
32         dump->u_tsize = ((current->mm->end_code - dump->start_code)
33                          >> PAGE_SHIFT);
34         dump->u_dsize = ((current->mm->brk + PAGE_SIZE-1 - dump->start_data)
35                          >> PAGE_SHIFT);
36         dump->u_ssize = (current->mm->start_stack - dump->start_stack
37                          + PAGE_SIZE-1) >> PAGE_SHIFT;
38
39         /*
40          * We store the registers in an order/format that is
41          * compatible with DEC Unix/OSF/1 as this makes life easier
42          * for gdb.
43          */
44         dump->regs[EF_V0]  = pt->r0;
45         dump->regs[EF_T0]  = pt->r1;
46         dump->regs[EF_T1]  = pt->r2;
47         dump->regs[EF_T2]  = pt->r3;
48         dump->regs[EF_T3]  = pt->r4;
49         dump->regs[EF_T4]  = pt->r5;
50         dump->regs[EF_T5]  = pt->r6;
51         dump->regs[EF_T6]  = pt->r7;
52         dump->regs[EF_T7]  = pt->r8;
53         dump->regs[EF_S0]  = sw->r9;
54         dump->regs[EF_S1]  = sw->r10;
55         dump->regs[EF_S2]  = sw->r11;
56         dump->regs[EF_S3]  = sw->r12;
57         dump->regs[EF_S4]  = sw->r13;
58         dump->regs[EF_S5]  = sw->r14;
59         dump->regs[EF_S6]  = sw->r15;
60         dump->regs[EF_A3]  = pt->r19;
61         dump->regs[EF_A4]  = pt->r20;
62         dump->regs[EF_A5]  = pt->r21;
63         dump->regs[EF_T8]  = pt->r22;
64         dump->regs[EF_T9]  = pt->r23;
65         dump->regs[EF_T10] = pt->r24;
66         dump->regs[EF_T11] = pt->r25;
67         dump->regs[EF_RA]  = pt->r26;
68         dump->regs[EF_T12] = pt->r27;
69         dump->regs[EF_AT]  = pt->r28;
70         dump->regs[EF_SP]  = rdusp();
71         dump->regs[EF_PS]  = pt->ps;
72         dump->regs[EF_PC]  = pt->pc;
73         dump->regs[EF_GP]  = pt->gp;
74         dump->regs[EF_A0]  = pt->r16;
75         dump->regs[EF_A1]  = pt->r17;
76         dump->regs[EF_A2]  = pt->r18;
77         memcpy((char *)dump->regs + EF_SIZE, sw->fp, 32 * 8);
78 }
79
80 #endif /* __KERNEL__ */
81 #endif /* _ASM_A_OUT_CORE_H */