| 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 | |
| 19 | /* |
| 20 | * Fill in the user structure for an ECOFF core dump. |
| 21 | */ |
| 22 | static 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 */ |