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 */ 23static 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 */ 68