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7fa30315 DH |
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 | ||
19 | /* | |
20 | * Fill in the user structure for an ECOFF core dump. | |
21 | */ | |
22 | static inline void aout_dump_thread(struct pt_regs *pt, struct user *dump) | |
23 | { | |
24 | /* switch stack follows right below pt_regs: */ | |
25 | struct switch_stack * sw = ((struct switch_stack *) pt) - 1; | |
26 | ||
27 | dump->magic = CMAGIC; | |
28 | dump->start_code = current->mm->start_code; | |
29 | dump->start_data = current->mm->start_data; | |
30 | dump->start_stack = rdusp() & ~(PAGE_SIZE - 1); | |
31 | dump->u_tsize = ((current->mm->end_code - dump->start_code) | |
32 | >> PAGE_SHIFT); | |
33 | dump->u_dsize = ((current->mm->brk + PAGE_SIZE-1 - dump->start_data) | |
34 | >> PAGE_SHIFT); | |
35 | dump->u_ssize = (current->mm->start_stack - dump->start_stack | |
36 | + PAGE_SIZE-1) >> PAGE_SHIFT; | |
37 | ||
38 | /* | |
39 | * We store the registers in an order/format that is | |
40 | * compatible with DEC Unix/OSF/1 as this makes life easier | |
41 | * for gdb. | |
42 | */ | |
43 | dump->regs[EF_V0] = pt->r0; | |
44 | dump->regs[EF_T0] = pt->r1; | |
45 | dump->regs[EF_T1] = pt->r2; | |
46 | dump->regs[EF_T2] = pt->r3; | |
47 | dump->regs[EF_T3] = pt->r4; | |
48 | dump->regs[EF_T4] = pt->r5; | |
49 | dump->regs[EF_T5] = pt->r6; | |
50 | dump->regs[EF_T6] = pt->r7; | |
51 | dump->regs[EF_T7] = pt->r8; | |
52 | dump->regs[EF_S0] = sw->r9; | |
53 | dump->regs[EF_S1] = sw->r10; | |
54 | dump->regs[EF_S2] = sw->r11; | |
55 | dump->regs[EF_S3] = sw->r12; | |
56 | dump->regs[EF_S4] = sw->r13; | |
57 | dump->regs[EF_S5] = sw->r14; | |
58 | dump->regs[EF_S6] = sw->r15; | |
59 | dump->regs[EF_A3] = pt->r19; | |
60 | dump->regs[EF_A4] = pt->r20; | |
61 | dump->regs[EF_A5] = pt->r21; | |
62 | dump->regs[EF_T8] = pt->r22; | |
63 | dump->regs[EF_T9] = pt->r23; | |
64 | dump->regs[EF_T10] = pt->r24; | |
65 | dump->regs[EF_T11] = pt->r25; | |
66 | dump->regs[EF_RA] = pt->r26; | |
67 | dump->regs[EF_T12] = pt->r27; | |
68 | dump->regs[EF_AT] = pt->r28; | |
69 | dump->regs[EF_SP] = rdusp(); | |
70 | dump->regs[EF_PS] = pt->ps; | |
71 | dump->regs[EF_PC] = pt->pc; | |
72 | dump->regs[EF_GP] = pt->gp; | |
73 | dump->regs[EF_A0] = pt->r16; | |
74 | dump->regs[EF_A1] = pt->r17; | |
75 | dump->regs[EF_A2] = pt->r18; | |
76 | memcpy((char *)dump->regs + EF_SIZE, sw->fp, 32 * 8); | |
77 | } | |
78 | ||
79 | #endif /* __KERNEL__ */ | |
80 | #endif /* _ASM_A_OUT_CORE_H */ |