mirror of https://gitee.com/openkylin/linux.git
68 lines
2.0 KiB
C
68 lines
2.0 KiB
C
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/* 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/elfcore.h>
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/*
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* fill in the user structure for an a.out core dump
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*/
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static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
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{
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struct switch_stack *sw;
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/* changed the size calculations - should hopefully work better. lbt */
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dump->magic = CMAGIC;
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dump->start_code = 0;
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dump->start_stack = rdusp() & ~(PAGE_SIZE - 1);
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dump->u_tsize = ((unsigned long) current->mm->end_code) >> PAGE_SHIFT;
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dump->u_dsize = ((unsigned long) (current->mm->brk +
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(PAGE_SIZE-1))) >> PAGE_SHIFT;
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dump->u_dsize -= dump->u_tsize;
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dump->u_ssize = 0;
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if (dump->start_stack < TASK_SIZE)
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dump->u_ssize = ((unsigned long) (TASK_SIZE - dump->start_stack)) >> PAGE_SHIFT;
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dump->u_ar0 = offsetof(struct user, regs);
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sw = ((struct switch_stack *)regs) - 1;
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dump->regs.d1 = regs->d1;
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dump->regs.d2 = regs->d2;
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dump->regs.d3 = regs->d3;
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dump->regs.d4 = regs->d4;
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dump->regs.d5 = regs->d5;
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dump->regs.d6 = sw->d6;
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dump->regs.d7 = sw->d7;
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dump->regs.a0 = regs->a0;
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dump->regs.a1 = regs->a1;
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dump->regs.a2 = regs->a2;
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dump->regs.a3 = sw->a3;
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dump->regs.a4 = sw->a4;
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dump->regs.a5 = sw->a5;
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dump->regs.a6 = sw->a6;
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dump->regs.d0 = regs->d0;
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dump->regs.orig_d0 = regs->orig_d0;
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dump->regs.stkadj = regs->stkadj;
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dump->regs.sr = regs->sr;
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dump->regs.pc = regs->pc;
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dump->regs.fmtvec = (regs->format << 12) | regs->vector;
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/* dump floating point stuff */
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dump->u_fpvalid = dump_fpu (regs, &dump->m68kfp);
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}
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#endif /* __KERNEL__ */
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#endif /* _ASM_A_OUT_CORE_H */
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