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/* Test program to test bit field operations on bit fields of large

   integer types.  */

/* This file is expected to fail to compile if the type long long int

   is not supported, but in that case it is irrelevant.  */

#include <stdlib.h>

#include <string.h>

#if !defined(__STDC__) && !defined(__cplusplus)

#define signed  /**/

#endif

struct fields

{

  unsigned long long u1 : 15;

  unsigned long long u2 : 33;

  unsigned long long u3 : 16;

  signed long long   s1 : 15;

  signed long long   s2 : 33;

  signed long long   s3 : 16;

} flags;

void break1 ()

{

}

void break2 ()

{

}

void break3 ()

{

}

void break4 ()

{

}

void break5 ()

{

}

void break6 ()

{

}

void break7 ()

{

}

void break8 ()

{

}

void break9 ()

{

}

void break10 ()

{

}

/* This is used by bitfields.exp to determine if the target understands

   signed bitfields.  */

int i;

void tester ()

{

  memset ((char *) &flags, 0, sizeof (flags));

  /* For each member, set that member to 1, allow gdb to verify that the

     member (and only that member) is 1, and then reset it back to 0. */

  flags.s1 = 1;

  break1 ();

  flags.s1 = 0;

  flags.u1 = 1;

  break1 ();

  flags.u1 = 0;

  flags.s2  = 1;

  break1 ();

  flags.s2 = 0;

  flags.u2 = 1;

  break1 ();

  flags.u2 = 0;

  flags.s3  = 1;

  break1 ();

  flags.s3 = 0;

  flags.u3 = 1;

  break1 ();

  flags.u3 = 0;

  /* Fill alternating fields with all 1's and verify that none of the bits

     "bleed over" to the other fields. */

  flags.u1 = 0x7FFF;

  flags.u3 = 0xFFFF;

  flags.s2 = -1LL;

  break2 ();

  flags.u1 = 0;

  flags.u3 = 0;

  flags.s2 = 0;

  flags.u2 = 0x1FFFFFFFFLL;

  flags.s1 = -1;

  flags.s3 = -1;

  break2 ();

  flags.u2 = 0;

  flags.s1 = 0;

  flags.s3 = 0;

  /* Fill the unsigned fields with the maximum positive value and verify

     that the values are printed correctly. */

  flags.u1 = 0x7FFF;

  flags.u2 = 0x1FFFFFFFFLL;

  flags.u3 = 0xFFFF;

  break3 ();

  flags.u1 = 0;

  flags.u2 = 0;

  flags.u3 = 0;

  /* Fill the signed fields with the maximum positive value, then the maximally

     negative value, then -1, and verify in each case that the values are

     printed correctly. */

  /* Maximum positive values */

  flags.s1 = 0x3FFF;

  flags.s2 = 0xFFFFFFFFLL;

  flags.s3 = 0x7FFF;

  break4 ();

  /* Maximally negative values */

  flags.s1 = -0x4000;

  flags.s2 = -0x100000000LL;

  flags.s3 = -0x8000;

  /* Extract bitfield value so that bitfield.exp can check if the target

     understands signed bitfields.  */

  i = flags.s3;

  break4 ();

  /* -1 */

  flags.s1 = -1;

  flags.s2 = -1;

  flags.s3 = -1;

  break4 ();

  flags.s1 = 0;

  flags.s2 = 0;

  flags.s3 = 0;

  break5 ();

}

int main ()

{

  int i;

#ifdef usestubs

  set_debug_traps();

  breakpoint();

#endif

  for (i = 0; i < 5; i += 1)

    tester ();

  return 0;

}