53 lines
1.8 KiB
C
53 lines
1.8 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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/*
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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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unsigned long first_stack_page;
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dump->magic = SUNOS_CORE_MAGIC;
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dump->len = sizeof(struct user);
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dump->regs.psr = regs->psr;
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dump->regs.pc = regs->pc;
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dump->regs.npc = regs->npc;
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dump->regs.y = regs->y;
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/* fuck me plenty */
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memcpy(&dump->regs.regs[0], ®s->u_regs[1], (sizeof(unsigned long) * 15));
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dump->uexec = current->thread.core_exec;
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dump->u_tsize = (((unsigned long) current->mm->end_code) -
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((unsigned long) current->mm->start_code)) & ~(PAGE_SIZE - 1);
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dump->u_dsize = ((unsigned long) (current->mm->brk + (PAGE_SIZE-1)));
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dump->u_dsize -= dump->u_tsize;
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dump->u_dsize &= ~(PAGE_SIZE - 1);
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first_stack_page = (regs->u_regs[UREG_FP] & ~(PAGE_SIZE - 1));
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dump->u_ssize = (TASK_SIZE - first_stack_page) & ~(PAGE_SIZE - 1);
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memcpy(&dump->fpu.fpstatus.fregs.regs[0], ¤t->thread.float_regs[0], (sizeof(unsigned long) * 32));
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dump->fpu.fpstatus.fsr = current->thread.fsr;
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dump->fpu.fpstatus.flags = dump->fpu.fpstatus.extra = 0;
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dump->fpu.fpstatus.fpq_count = current->thread.fpqdepth;
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memcpy(&dump->fpu.fpstatus.fpq[0], ¤t->thread.fpqueue[0],
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((sizeof(unsigned long) * 2) * 16));
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dump->sigcode = 0;
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}
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#endif /* __KERNEL__ */
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#endif /* _ASM_A_OUT_CORE_H */
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