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kernel/linux-rt-4.4.41/arch/alpha/include/asm/a.out-core.h 2.39 KB
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  /* 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 ECOFF core dump.
   */
  static inline void aout_dump_thread(struct pt_regs *pt, struct user *dump)
  {
  	/* switch stack follows right below pt_regs: */
  	struct switch_stack * sw = ((struct switch_stack *) pt) - 1;
  
  	dump->magic = CMAGIC;
  	dump->start_code  = current->mm->start_code;
  	dump->start_data  = current->mm->start_data;
  	dump->start_stack = rdusp() & ~(PAGE_SIZE - 1);
  	dump->u_tsize = ((current->mm->end_code - dump->start_code)
  			 >> PAGE_SHIFT);
  	dump->u_dsize = ((current->mm->brk + PAGE_SIZE-1 - dump->start_data)
  			 >> PAGE_SHIFT);
  	dump->u_ssize = (current->mm->start_stack - dump->start_stack
  			 + PAGE_SIZE-1) >> PAGE_SHIFT;
  
  	/*
  	 * We store the registers in an order/format that is
  	 * compatible with DEC Unix/OSF/1 as this makes life easier
  	 * for gdb.
  	 */
  	dump->regs[EF_V0]  = pt->r0;
  	dump->regs[EF_T0]  = pt->r1;
  	dump->regs[EF_T1]  = pt->r2;
  	dump->regs[EF_T2]  = pt->r3;
  	dump->regs[EF_T3]  = pt->r4;
  	dump->regs[EF_T4]  = pt->r5;
  	dump->regs[EF_T5]  = pt->r6;
  	dump->regs[EF_T6]  = pt->r7;
  	dump->regs[EF_T7]  = pt->r8;
  	dump->regs[EF_S0]  = sw->r9;
  	dump->regs[EF_S1]  = sw->r10;
  	dump->regs[EF_S2]  = sw->r11;
  	dump->regs[EF_S3]  = sw->r12;
  	dump->regs[EF_S4]  = sw->r13;
  	dump->regs[EF_S5]  = sw->r14;
  	dump->regs[EF_S6]  = sw->r15;
  	dump->regs[EF_A3]  = pt->r19;
  	dump->regs[EF_A4]  = pt->r20;
  	dump->regs[EF_A5]  = pt->r21;
  	dump->regs[EF_T8]  = pt->r22;
  	dump->regs[EF_T9]  = pt->r23;
  	dump->regs[EF_T10] = pt->r24;
  	dump->regs[EF_T11] = pt->r25;
  	dump->regs[EF_RA]  = pt->r26;
  	dump->regs[EF_T12] = pt->r27;
  	dump->regs[EF_AT]  = pt->r28;
  	dump->regs[EF_SP]  = rdusp();
  	dump->regs[EF_PS]  = pt->ps;
  	dump->regs[EF_PC]  = pt->pc;
  	dump->regs[EF_GP]  = pt->gp;
  	dump->regs[EF_A0]  = pt->r16;
  	dump->regs[EF_A1]  = pt->r17;
  	dump->regs[EF_A2]  = pt->r18;
  	memcpy((char *)dump->regs + EF_SIZE, sw->fp, 32 * 8);
  }
  
  #endif /* __KERNEL__ */
  #endif /* _ASM_A_OUT_CORE_H */