82 lines
2.4 KiB
C
82 lines
2.4 KiB
C
/* a.out coredump register dumper
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*
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* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
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* Written by David Howells (dhowells@redhat.com)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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*/
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#ifndef _ASM_A_OUT_CORE_H
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#define _ASM_A_OUT_CORE_H
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#ifdef __KERNEL__
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#include <linux/user.h>
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#include <linux/mm_types.h>
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/*
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* Fill in the user structure for an ECOFF core dump.
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*/
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static inline void aout_dump_thread(struct pt_regs *pt, struct user *dump)
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{
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/* switch stack follows right below pt_regs: */
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struct switch_stack * sw = ((struct switch_stack *) pt) - 1;
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dump->magic = CMAGIC;
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dump->start_code = current->mm->start_code;
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dump->start_data = current->mm->start_data;
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dump->start_stack = rdusp() & ~(PAGE_SIZE - 1);
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dump->u_tsize = ((current->mm->end_code - dump->start_code)
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>> PAGE_SHIFT);
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dump->u_dsize = ((current->mm->brk + PAGE_SIZE-1 - dump->start_data)
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>> PAGE_SHIFT);
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dump->u_ssize = (current->mm->start_stack - dump->start_stack
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+ PAGE_SIZE-1) >> PAGE_SHIFT;
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/*
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* We store the registers in an order/format that is
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* compatible with DEC Unix/OSF/1 as this makes life easier
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* for gdb.
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*/
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dump->regs[EF_V0] = pt->r0;
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dump->regs[EF_T0] = pt->r1;
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dump->regs[EF_T1] = pt->r2;
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dump->regs[EF_T2] = pt->r3;
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dump->regs[EF_T3] = pt->r4;
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dump->regs[EF_T4] = pt->r5;
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dump->regs[EF_T5] = pt->r6;
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dump->regs[EF_T6] = pt->r7;
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dump->regs[EF_T7] = pt->r8;
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dump->regs[EF_S0] = sw->r9;
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dump->regs[EF_S1] = sw->r10;
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dump->regs[EF_S2] = sw->r11;
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dump->regs[EF_S3] = sw->r12;
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dump->regs[EF_S4] = sw->r13;
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dump->regs[EF_S5] = sw->r14;
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dump->regs[EF_S6] = sw->r15;
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dump->regs[EF_A3] = pt->r19;
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dump->regs[EF_A4] = pt->r20;
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dump->regs[EF_A5] = pt->r21;
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dump->regs[EF_T8] = pt->r22;
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dump->regs[EF_T9] = pt->r23;
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dump->regs[EF_T10] = pt->r24;
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dump->regs[EF_T11] = pt->r25;
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dump->regs[EF_RA] = pt->r26;
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dump->regs[EF_T12] = pt->r27;
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dump->regs[EF_AT] = pt->r28;
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dump->regs[EF_SP] = rdusp();
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dump->regs[EF_PS] = pt->ps;
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dump->regs[EF_PC] = pt->pc;
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dump->regs[EF_GP] = pt->gp;
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dump->regs[EF_A0] = pt->r16;
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dump->regs[EF_A1] = pt->r17;
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dump->regs[EF_A2] = pt->r18;
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memcpy((char *)dump->regs + EF_SIZE, sw->fp, 32 * 8);
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}
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#endif /* __KERNEL__ */
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#endif /* _ASM_A_OUT_CORE_H */
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