/*
   * arch/xtensa/kernel/asm-offsets.c
   *
   * Generates definitions from c-type structures used by assembly sources.
   *
   * This file is subject to the terms and conditions of the GNU General Public
   * License.  See the file "COPYING" in the main directory of this archive
   * for more details.
   *
   * Copyright (C) 2005 Tensilica Inc.
   *
   * Chris Zankel <chris@zankel.net>
   */
  
  #include <asm/processor.h>
  
  #include <linux/types.h>

  #include <linux/stddef.h>
  #include <linux/thread_info.h>
  #include <linux/ptrace.h>
  #include <asm/ptrace.h>
  #include <asm/processor.h>
  #include <asm/uaccess.h>
  
  #define DEFINE(sym, val) asm volatile("
  ->" #sym " %0 " #val : : "i" (val))
  #define BLANK() asm volatile("
  ->" : : )
  
  int main(void)
  {
  	/* struct pt_regs */
  	DEFINE(PT_PC, offsetof (struct pt_regs, pc));
  	DEFINE(PT_PS, offsetof (struct pt_regs, ps));
  	DEFINE(PT_DEPC, offsetof (struct pt_regs, depc));
  	DEFINE(PT_EXCCAUSE, offsetof (struct pt_regs, exccause));
  	DEFINE(PT_EXCVADDR, offsetof (struct pt_regs, excvaddr));
  	DEFINE(PT_DEBUGCAUSE, offsetof (struct pt_regs, debugcause));
  	DEFINE(PT_WMASK, offsetof (struct pt_regs, wmask));
  	DEFINE(PT_LBEG, offsetof (struct pt_regs, lbeg));
  	DEFINE(PT_LEND, offsetof (struct pt_regs, lend));
  	DEFINE(PT_LCOUNT, offsetof (struct pt_regs, lcount));
  	DEFINE(PT_SAR, offsetof (struct pt_regs, sar));
  	DEFINE(PT_SYSCALL, offsetof (struct pt_regs, syscall));
  	DEFINE(PT_AREG, offsetof (struct pt_regs, areg[0]));
  	DEFINE(PT_AREG0, offsetof (struct pt_regs, areg[0]));
  	DEFINE(PT_AREG1, offsetof (struct pt_regs, areg[1]));
  	DEFINE(PT_AREG2, offsetof (struct pt_regs, areg[2]));
  	DEFINE(PT_AREG3, offsetof (struct pt_regs, areg[3]));
  	DEFINE(PT_AREG4, offsetof (struct pt_regs, areg[4]));
  	DEFINE(PT_AREG5, offsetof (struct pt_regs, areg[5]));
  	DEFINE(PT_AREG6, offsetof (struct pt_regs, areg[6]));
  	DEFINE(PT_AREG7, offsetof (struct pt_regs, areg[7]));
  	DEFINE(PT_AREG8, offsetof (struct pt_regs, areg[8]));
  	DEFINE(PT_AREG9, offsetof (struct pt_regs, areg[9]));
  	DEFINE(PT_AREG10, offsetof (struct pt_regs, areg[10]));
  	DEFINE(PT_AREG11, offsetof (struct pt_regs, areg[11]));
  	DEFINE(PT_AREG12, offsetof (struct pt_regs, areg[12]));
  	DEFINE(PT_AREG13, offsetof (struct pt_regs, areg[13]));
  	DEFINE(PT_AREG14, offsetof (struct pt_regs, areg[14]));
  	DEFINE(PT_AREG15, offsetof (struct pt_regs, areg[15]));
  	DEFINE(PT_WINDOWBASE, offsetof (struct pt_regs, windowbase));
  	DEFINE(PT_WINDOWSTART, offsetof(struct pt_regs, windowstart));
  	DEFINE(PT_SIZE, sizeof(struct pt_regs));
  	DEFINE(PT_AREG_END, offsetof (struct pt_regs, areg[XCHAL_NUM_AREGS]));
  	DEFINE(PT_USER_SIZE, offsetof(struct pt_regs, areg[XCHAL_NUM_AREGS]));
  	BLANK();
  
  	/* struct task_struct */
  	DEFINE(TASK_PTRACE, offsetof (struct task_struct, ptrace));
  	DEFINE(TASK_MM, offsetof (struct task_struct, mm));
  	DEFINE(TASK_ACTIVE_MM, offsetof (struct task_struct, active_mm));
  	DEFINE(TASK_PID, offsetof (struct task_struct, pid));
  	DEFINE(TASK_THREAD, offsetof (struct task_struct, thread));

  	DEFINE(TASK_THREAD_INFO, offsetof (struct task_struct, stack));

  	DEFINE(TASK_STRUCT_SIZE, sizeof (struct task_struct));
  	BLANK();
  
  	/* struct thread_info (offset from start_struct) */
  	DEFINE(THREAD_RA, offsetof (struct task_struct, thread.ra));
  	DEFINE(THREAD_SP, offsetof (struct task_struct, thread.sp));
  	DEFINE(THREAD_CP_SAVE, offsetof (struct task_struct, thread.cp_save));
  	DEFINE(THREAD_CURRENT_DS, offsetof (struct task_struct, thread.current_ds));
  	BLANK();
  
  	/* struct mm_struct */
  	DEFINE(MM_USERS, offsetof(struct mm_struct, mm_users));
  	DEFINE(MM_PGD, offsetof (struct mm_struct, pgd));
  	DEFINE(MM_CONTEXT, offsetof (struct mm_struct, context));
  	BLANK();
  	DEFINE(PT_SINGLESTEP_BIT, PT_SINGLESTEP_BIT);

  
  	/* constants */
  	DEFINE(_CLONE_VM, CLONE_VM);
  	DEFINE(_CLONE_UNTRACED, CLONE_UNTRACED);

  	return 0;
  }