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/* This tests passing of structs. Only integers are tested.  */

#include "defines.h"

#include "args.h"

struct IntegerRegisters iregs;

struct FloatRegisters fregs;

unsigned int num_iregs, num_fregs;

struct int_struct

{

  int i;

};

struct long_struct

{

  long l;

};

struct long2_struct

{

  long l1, l2;

};

struct long3_struct

{

  long l1, l2, l3;

};

/* Check that the struct is passed as the individual members in iregs.  */

void

check_struct_passing1 (struct int_struct is ATTRIBUTE_UNUSED)

{

  check_int_arguments;

}

void

check_struct_passing2 (struct long_struct ls ATTRIBUTE_UNUSED)

{

  check_int_arguments;

}

void

check_struct_passing3 (struct long2_struct ls ATTRIBUTE_UNUSED)

{

  check_int_arguments;

}

void

check_struct_passing4 (struct long3_struct ls ATTRIBUTE_UNUSED)

{

  /* Check the passing on the stack by comparing the address of the

     stack elements to the expected place on the stack.  */

  assert ((unsigned long)&ls.l1 == rsp+8);

  assert ((unsigned long)&ls.l2 == rsp+16);

  assert ((unsigned long)&ls.l3 == rsp+24);

}

int

main (void)

{

  struct int_struct is = { 48 };

  struct long_struct ls = { 49 };

#ifdef CHECK_LARGER_STRUCTS

  struct long2_struct l2s = { 50, 51 };

  struct long3_struct l3s = { 52, 53, 54 };

#endif

  clear_struct_registers;

  iregs.I0 = is.i;

  num_iregs = 1;

  clear_int_hardware_registers;

  WRAP_CALL (check_struct_passing1)(is);

  clear_struct_registers;

  iregs.I0 = ls.l;

  num_iregs = 1;

  clear_int_hardware_registers;

  WRAP_CALL (check_struct_passing2)(ls);

#ifdef CHECK_LARGER_STRUCTS

  clear_struct_registers;

  iregs.I0 = l2s.l1;

  iregs.I1 = l2s.l2;

  num_iregs = 2;

  clear_int_hardware_registers;

  WRAP_CALL (check_struct_passing3)(l2s);

  WRAP_CALL (check_struct_passing4)(l3s);

#endif

  return 0;

}