| David Howells | 7fa3031 | 2008-02-08 04:19:28 -0800 | [diff] [blame^] | 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/elfcore.h> |
| 19 | |
| 20 | /* |
| 21 | * fill in the user structure for an a.out core dump |
| 22 | */ |
| 23 | static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump) |
| 24 | { |
| 25 | struct switch_stack *sw; |
| 26 | |
| 27 | /* changed the size calculations - should hopefully work better. lbt */ |
| 28 | dump->magic = CMAGIC; |
| 29 | dump->start_code = 0; |
| 30 | dump->start_stack = rdusp() & ~(PAGE_SIZE - 1); |
| 31 | dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT; |
| 32 | dump->u_dsize = ((unsigned long) (current->mm->brk + |
| 33 | (PAGE_SIZE-1))) >> PAGE_SHIFT; |
| 34 | dump->u_dsize -= dump->u_tsize; |
| 35 | dump->u_ssize = 0; |
| 36 | |
| 37 | if (dump->start_stack < TASK_SIZE) |
| 38 | dump->u_ssize = ((unsigned long) (TASK_SIZE - dump->start_stack)) >> PAGE_SHIFT; |
| 39 | |
| 40 | dump->u_ar0 = offsetof(struct user, regs); |
| 41 | sw = ((struct switch_stack *)regs) - 1; |
| 42 | dump->regs.d1 = regs->d1; |
| 43 | dump->regs.d2 = regs->d2; |
| 44 | dump->regs.d3 = regs->d3; |
| 45 | dump->regs.d4 = regs->d4; |
| 46 | dump->regs.d5 = regs->d5; |
| 47 | dump->regs.d6 = sw->d6; |
| 48 | dump->regs.d7 = sw->d7; |
| 49 | dump->regs.a0 = regs->a0; |
| 50 | dump->regs.a1 = regs->a1; |
| 51 | dump->regs.a2 = regs->a2; |
| 52 | dump->regs.a3 = sw->a3; |
| 53 | dump->regs.a4 = sw->a4; |
| 54 | dump->regs.a5 = sw->a5; |
| 55 | dump->regs.a6 = sw->a6; |
| 56 | dump->regs.d0 = regs->d0; |
| 57 | dump->regs.orig_d0 = regs->orig_d0; |
| 58 | dump->regs.stkadj = regs->stkadj; |
| 59 | dump->regs.sr = regs->sr; |
| 60 | dump->regs.pc = regs->pc; |
| 61 | dump->regs.fmtvec = (regs->format << 12) | regs->vector; |
| 62 | /* dump floating point stuff */ |
| 63 | dump->u_fpvalid = dump_fpu (regs, &dump->m68kfp); |
| 64 | } |
| 65 | |
| 66 | #endif /* __KERNEL__ */ |
| 67 | #endif /* _ASM_A_OUT_CORE_H */ |