Subversion Repositories openrisc_2011-10-31

/* 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;

};

union un1

{

  char c;

  int i;

};

union un2

{

  char c1;

  long l;

  char c2;

};

union un3

{

  struct int_struct is;

  struct long_struct ls;

  union un1 un;

};

void

check_mixed_passing1 (char c1 ATTRIBUTE_UNUSED, struct int_struct is ATTRIBUTE_UNUSED, char c2 ATTRIBUTE_UNUSED)

{

  check_int_arguments;

}

void

check_mixed_passing2 (char c1 ATTRIBUTE_UNUSED, struct long3_struct ls ATTRIBUTE_UNUSED, char c2 ATTRIBUTE_UNUSED)

{

  check_int_arguments;

  /* 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 = { 64 };

#ifdef CHECK_LARGER_STRUCTS

  struct long3_struct l3s = { 65, 66, 67 };

#endif

  clear_struct_registers;

  iregs.I0 = 8;

  iregs.I1 = 64;

  iregs.I2 = 9;

  num_iregs = 3;

  clear_int_hardware_registers;

  WRAP_CALL (check_mixed_passing1)(8, is, 9);

#ifdef CHECK_LARGER_STRUCTS 

  clear_struct_registers;

  iregs.I0 = 10;

  iregs.I1 = 11;

  num_iregs = 2;

  clear_int_hardware_registers;

  WRAP_CALL (check_mixed_passing2)(10, l3s, 11);

#endif

  return 0;

}