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 */ aout_dump_thread(struct pt_regs * pt,struct user * dump)22static 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 */ 81