rtems/tools/cpu/hppa1.1/genoffsets.c

/*
 *	@(#)genoffsets.c	1.5 - 95/05/16
 *	
 *
 *  genoffsets.c
 *
 *  This file generates the offsets.h for the HP PA-RISC port of RTEMS.
 *
 *  NOTE:  It only prints the offset for structures actually used 
 *         by the assembly code.
 *
 *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  This material may be reproduced by or for the U.S. Government pursuant
 *  to the copyright license under the clause at DFARS 252.227-7013.  This
 *  notice must appear in all copies of this file and its derivatives.
 *
 *  $Id$
 *
 */

#include <stdio.h>

#include <rtems/system.h>

int main(
  int argc,
  char **argv
)
{
  unsigned int size;

  /*
   * Print the file header
   */

printf(
  "/*  offsets.h\n"
  " *\n"
  " *  This include file contains the offsets of elements in the\n"
  " *  C data structures used by the assembly language code for the\n"
  " *  HP PA-RISC 1.1 port of RTEMS.\n"
  " *\n"
  " *  NOTE:  THIS FILE IS AUTOMATICALLY GENERATED!!!!\n"
  " *         DO NOT EDIT THIS BY HAND!!!!\n"
  " *\n"
  " *  COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994.\n"
  " *  On-Line Applications Research Corporation (OAR).\n"
  " *  All rights assigned to U.S. Government, 1994.\n"
  " *\n"
  " *  This material may be reproduced by or for the U.S. Government pursuant\n"
  " *  to the copyright license under the clause at DFARS 252.227-7013.  This\n"
  " *  notice must appear in all copies of this file and its derivatives.\n"
  " */\n"
  "\n"
  "#ifndef __OFFSETS_h\n"
  "#define __OFFSETS_h\n"
  "\n"
);

/*
 *  Offsets of elements in the Context_control structure.
 */

#define PRINT_IT( STRING, TYPE, FIELD ) \
  printf( "#define\t%s\t0x%p\t\t/* %d */\n", \
          STRING, \
          &((TYPE)0)->FIELD, \
          (int) &((TYPE)0)->FIELD );

#define PRINT_SIZE( STRING, item ) \
  printf( "#define\t%s\t%d\t\t/* 0x%x */\n", \
          STRING, \
          sizeof(item), \
          sizeof(item) );

#define PRINT_COMMENT( STRING ) \
  printf(       \
    "\n"        \
    "/*\n"      \
    " * " STRING "\n" \
    " */\n"     \
    "\n"        \
  );

  PRINT_COMMENT("Context_Control information");

  PRINT_IT( "FLAGS_OFFSET", Context_Control *, flags );
  PRINT_IT( "R1_OFFSET", Context_Control *, gr1 );
  PRINT_IT( "R2_OFFSET", Context_Control *, gr2 );
  PRINT_IT( "R3_OFFSET", Context_Control *, gr3 );
  PRINT_IT( "R4_OFFSET", Context_Control *, gr4 );
  PRINT_IT( "R5_OFFSET", Context_Control *, gr5 );
  PRINT_IT( "R6_OFFSET", Context_Control *, gr6 );
  PRINT_IT( "R7_OFFSET", Context_Control *, gr7 );
  PRINT_IT( "R8_OFFSET", Context_Control *, gr8 );
  PRINT_IT( "R9_OFFSET", Context_Control *, gr9 );
  PRINT_IT( "R10_OFFSET", Context_Control *, gr10 );
  PRINT_IT( "R11_OFFSET", Context_Control *, gr11 );
  PRINT_IT( "R12_OFFSET", Context_Control *, gr12 );
  PRINT_IT( "R13_OFFSET", Context_Control *, gr13 );
  PRINT_IT( "R14_OFFSET", Context_Control *, gr14 );
  PRINT_IT( "R15_OFFSET", Context_Control *, gr15 );
  PRINT_IT( "R16_OFFSET", Context_Control *, gr16 );
  PRINT_IT( "R17_OFFSET", Context_Control *, gr17 );
  PRINT_IT( "R18_OFFSET", Context_Control *, gr18 );
  PRINT_IT( "R19_OFFSET", Context_Control *, gr19 );
  PRINT_IT( "R20_OFFSET", Context_Control *, gr20 );
  PRINT_IT( "R21_OFFSET", Context_Control *, gr21 );
  PRINT_IT( "R22_OFFSET", Context_Control *, gr22 );
  PRINT_IT( "R23_OFFSET", Context_Control *, gr23 );
  PRINT_IT( "R24_OFFSET", Context_Control *, gr24 );
  PRINT_IT( "R25_OFFSET", Context_Control *, gr25 );
  PRINT_IT( "R26_OFFSET", Context_Control *, gr26 );
  PRINT_IT( "R27_OFFSET", Context_Control *, gr27 );
  PRINT_IT( "R28_OFFSET", Context_Control *, gr28 );
  PRINT_IT( "R29_OFFSET", Context_Control *, gr29 );
  PRINT_IT( "R30_OFFSET", Context_Control *, sp );
  PRINT_IT( "R31_OFFSET", Context_Control *, gr31 );

  /*
   * And common aliases for the above
   */

  PRINT_COMMENT("Common aliases for above");

  PRINT_IT( "RP_OFFSET",   Context_Control *, gr2 );
  PRINT_IT( "ARG3_OFFSET", Context_Control *, gr23 );
  PRINT_IT( "ARG2_OFFSET", Context_Control *, gr24 );
  PRINT_IT( "ARG1_OFFSET", Context_Control *, gr25 );
  PRINT_IT( "ARG0_OFFSET", Context_Control *, gr26 );
  PRINT_IT( "SP_OFFSET",   Context_Control *, sp );
  PRINT_IT( "DP_OFFSET",   Context_Control *, gr27 );
  PRINT_IT( "RET0_OFFSET", Context_Control *, gr28 );
  PRINT_IT( "RET1_OFFSET", Context_Control *, gr29 );

  PRINT_SIZE("CPU_CONTEXT_SIZE", Context_Control);

  PRINT_COMMENT("Context_Control_fp information");

  PRINT_SIZE("CPU_CONTEXT_FP_SIZE", Context_Control_fp);

  /*
   *  And the control registers
   */

  PRINT_COMMENT("Control register portion of context");

  PRINT_IT( "SAR_OFFSET", Context_Control *, sar );
  PRINT_IT( "IPSW_OFFSET", Context_Control *, ipsw );
  PRINT_IT( "IIR_OFFSET", Context_Control *, iir );
  PRINT_IT( "IOR_OFFSET", Context_Control *, ior );
  PRINT_IT( "ISR_OFFSET", Context_Control *, isr );
  PRINT_IT( "PCOQFRONT_OFFSET", Context_Control *, pcoqfront );
  PRINT_IT( "PCOQBACK_OFFSET", Context_Control *, pcoqback );
  PRINT_IT( "PCSQFRONT_OFFSET", Context_Control *, pcsqfront );
  PRINT_IT( "PCSQBACK_OFFSET", Context_Control *, pcsqback );
  PRINT_IT( "ITIMER_OFFSET", Context_Control *, itimer );

  /*
   *  Full interrupt frame (integer + float)
   */
  PRINT_COMMENT("Interrupt frame information");

  PRINT_IT( "INTEGER_CONTEXT_OFFSET", CPU_Interrupt_frame *, Integer );
  PRINT_IT( "FP_CONTEXT_OFFSET", CPU_Interrupt_frame *, Floating_Point );
  size = sizeof( CPU_Interrupt_frame );

  if ( size % CPU_STACK_ALIGNMENT )
    size += CPU_STACK_ALIGNMENT - (size % CPU_STACK_ALIGNMENT);

  printf( "#define\tCPU_INTERRUPT_FRAME_SIZE\t%d\t\t/* 0x%x */\n", size, size );

#undef PRINT_IT
#undef PRINT_SIZE
#undef PRINT_COMMENT

  /*
   *  Print the end of file stuff
   */

   printf(
    "\n"
    "#endif    /* __OFFSETS_h  */\n"
    "\n"
    "/* end of include file */\n"
  );

  return 0;
}