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 */ 23static 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 */ 82