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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 | ||
1965aae3 PA |
12 | #ifndef _ASM_X86_A_OUT_CORE_H |
13 | #define _ASM_X86_A_OUT_CORE_H | |
7fa30315 DH |
14 | |
15 | #ifdef __KERNEL__ | |
16 | #ifdef CONFIG_X86_32 | |
17 | ||
18 | #include <linux/user.h> | |
19 | #include <linux/elfcore.h> | |
20 | ||
21 | /* | |
22 | * fill in the user structure for an a.out core dump | |
23 | */ | |
24 | static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump) | |
25 | { | |
26 | u16 gs; | |
27 | ||
28 | /* changed the size calculations - should hopefully work better. lbt */ | |
29 | dump->magic = CMAGIC; | |
30 | dump->start_code = 0; | |
31 | dump->start_stack = regs->sp & ~(PAGE_SIZE - 1); | |
b03aa8c6 JP |
32 | dump->u_tsize = ((unsigned long)current->mm->end_code) >> PAGE_SHIFT; |
33 | dump->u_dsize = ((unsigned long)(current->mm->brk + (PAGE_SIZE - 1))) | |
34 | >> PAGE_SHIFT; | |
7fa30315 DH |
35 | dump->u_dsize -= dump->u_tsize; |
36 | dump->u_ssize = 0; | |
37 | dump->u_debugreg[0] = current->thread.debugreg0; | |
38 | dump->u_debugreg[1] = current->thread.debugreg1; | |
39 | dump->u_debugreg[2] = current->thread.debugreg2; | |
40 | dump->u_debugreg[3] = current->thread.debugreg3; | |
41 | dump->u_debugreg[4] = 0; | |
42 | dump->u_debugreg[5] = 0; | |
43 | dump->u_debugreg[6] = current->thread.debugreg6; | |
44 | dump->u_debugreg[7] = current->thread.debugreg7; | |
45 | ||
46 | if (dump->start_stack < TASK_SIZE) | |
b03aa8c6 JP |
47 | dump->u_ssize = ((unsigned long)(TASK_SIZE - dump->start_stack)) |
48 | >> PAGE_SHIFT; | |
7fa30315 DH |
49 | |
50 | dump->regs.bx = regs->bx; | |
51 | dump->regs.cx = regs->cx; | |
52 | dump->regs.dx = regs->dx; | |
53 | dump->regs.si = regs->si; | |
54 | dump->regs.di = regs->di; | |
55 | dump->regs.bp = regs->bp; | |
56 | dump->regs.ax = regs->ax; | |
57 | dump->regs.ds = (u16)regs->ds; | |
58 | dump->regs.es = (u16)regs->es; | |
59 | dump->regs.fs = (u16)regs->fs; | |
b03aa8c6 | 60 | savesegment(gs, gs); |
7fa30315 DH |
61 | dump->regs.orig_ax = regs->orig_ax; |
62 | dump->regs.ip = regs->ip; | |
63 | dump->regs.cs = (u16)regs->cs; | |
64 | dump->regs.flags = regs->flags; | |
65 | dump->regs.sp = regs->sp; | |
66 | dump->regs.ss = (u16)regs->ss; | |
67 | ||
b03aa8c6 | 68 | dump->u_fpvalid = dump_fpu(regs, &dump->i387); |
7fa30315 DH |
69 | } |
70 | ||
71 | #endif /* CONFIG_X86_32 */ | |
72 | #endif /* __KERNEL__ */ | |
1965aae3 | 73 | #endif /* _ASM_X86_A_OUT_CORE_H */ |