linux/include/asm-sparc/a.out-core.h

53 lines
1.8 KiB
C

/* a.out coredump register dumper
*
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#ifndef _ASM_A_OUT_CORE_H
#define _ASM_A_OUT_CORE_H
#ifdef __KERNEL__
#include <linux/user.h>
/*
* fill in the user structure for an a.out core dump
*/
static inline void aout_dump_thread(struct pt_regs *regs, struct user *dump)
{
unsigned long first_stack_page;
dump->magic = SUNOS_CORE_MAGIC;
dump->len = sizeof(struct user);
dump->regs.psr = regs->psr;
dump->regs.pc = regs->pc;
dump->regs.npc = regs->npc;
dump->regs.y = regs->y;
/* fuck me plenty */
memcpy(&dump->regs.regs[0], &regs->u_regs[1], (sizeof(unsigned long) * 15));
dump->uexec = current->thread.core_exec;
dump->u_tsize = (((unsigned long) current->mm->end_code) -
((unsigned long) current->mm->start_code)) & ~(PAGE_SIZE - 1);
dump->u_dsize = ((unsigned long) (current->mm->brk + (PAGE_SIZE-1)));
dump->u_dsize -= dump->u_tsize;
dump->u_dsize &= ~(PAGE_SIZE - 1);
first_stack_page = (regs->u_regs[UREG_FP] & ~(PAGE_SIZE - 1));
dump->u_ssize = (TASK_SIZE - first_stack_page) & ~(PAGE_SIZE - 1);
memcpy(&dump->fpu.fpstatus.fregs.regs[0], &current->thread.float_regs[0], (sizeof(unsigned long) * 32));
dump->fpu.fpstatus.fsr = current->thread.fsr;
dump->fpu.fpstatus.flags = dump->fpu.fpstatus.extra = 0;
dump->fpu.fpstatus.fpq_count = current->thread.fpqdepth;
memcpy(&dump->fpu.fpstatus.fpq[0], &current->thread.fpqueue[0],
((sizeof(unsigned long) * 2) * 16));
dump->sigcode = 0;
}
#endif /* __KERNEL__ */
#endif /* _ASM_A_OUT_CORE_H */