#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "../lib/unbuffer_output.c"
/**************************************************************************
* TESTS :
* function returning large structures, which go on the stack
* functions returning varied sized structs which go on in the registers.
***************************************************************************/
/* A large structure (> 64 bits) used to test passing large structures as
* parameters
*/
struct array_rep_info_t {
int next_index[10];
int values[10];
int head;
};
/*****************************************************************************
* Small structures ( <= 64 bits). These are used to test passing small
* structures as parameters and test argument size promotion.
*****************************************************************************/
/* 64 bits
*/
struct small_rep_info_t {
int value;
int head;
};
/* 6 bits : really fits in 8 bits and is promoted to 8 bits
*/
struct bit_flags_char_t {
unsigned char alpha :1;
unsigned char beta :1;
unsigned char gamma :1;
unsigned char delta :1;
unsigned char epsilon :1;
unsigned char omega :1;
};
/* 6 bits : really fits in 8 bits and is promoted to 16 bits
*/
struct bit_flags_short_t {
unsigned short alpha :1;
unsigned short beta :1;
unsigned short gamma :1;
unsigned short delta :1;
unsigned short epsilon :1;
unsigned short omega :1;
};
/* 6 bits : really fits in 8 bits and is promoted to 32 bits
*/
struct bit_flags_t {
unsigned alpha :1;
unsigned beta :1;
unsigned gamma :1;
unsigned delta :1;
unsigned epsilon :1;
unsigned omega :1;
};
/* 22 bits : really fits in 40 bits and is promoted to 64 bits
*/
struct bit_flags_combo_t {
unsigned alpha :1;
unsigned beta :1;
char ch1;
unsigned gamma :1;
unsigned delta :1;
char ch2;
unsigned epsilon :1;
unsigned omega :1;
};
/* 64 bits
*/
struct one_double_t {
double double1;
};
/* 64 bits
*/
struct two_floats_t {
float float1;
float float2;
};
/* 24 bits : promoted to 32 bits
*/
struct three_char_t {
char ch1;
char ch2;
char ch3;
};
/* 40 bits : promoted to 64 bits
*/
struct five_char_t {
char ch1;
char ch2;
char ch3;
char ch4;
char ch5;
};
/* 40 bits : promoted to 64 bits
*/
struct int_char_combo_t {
int int1;
char ch1;
};
/*****************************************************************
* LOOP_COUNT :
* A do nothing function. Used to provide a point at which calls can be made.
*****************************************************************/
void loop_count () {
int index;
for (index=0; index<4; index++); /* -break1- */
}
/*****************************************************************
* INIT_BIT_FLAGS_CHAR :
* Initializes a bit_flags_char_t structure. Can call this function see
* the call command behavior when integer arguments do not fit into
* registers and must be placed on the stack.
* OUT struct bit_flags_char_t *bit_flags -- structure to be filled
* IN unsigned a -- 0 or 1
* IN unsigned b -- 0 or 1
* IN unsigned g -- 0 or 1
* IN unsigned d -- 0 or 1
* IN unsigned e -- 0 or 1
* IN unsigned o -- 0 or 1
*****************************************************************/
void init_bit_flags_char (
struct bit_flags_char_t *bit_flags,
unsigned a,
unsigned b,
unsigned g,
unsigned d,
unsigned e,
unsigned o)
{
bit_flags->alpha = a;
bit_flags->beta = b;
bit_flags->gamma = g;
bit_flags->delta = d;
bit_flags->epsilon = e;
bit_flags->omega = o;
}
/*****************************************************************
* INIT_BIT_FLAGS_SHORT :
* Initializes a bit_flags_short_t structure. Can call this function see
* the call command behavior when integer arguments do not fit into
* registers and must be placed on the stack.
* OUT struct bit_flags_short_t *bit_flags -- structure to be filled
* IN unsigned a -- 0 or 1
* IN unsigned b -- 0 or 1
* IN unsigned g -- 0 or 1
* IN unsigned d -- 0 or 1
* IN unsigned e -- 0 or 1
* IN unsigned o -- 0 or 1
*****************************************************************/
void init_bit_flags_short (
struct bit_flags_short_t *bit_flags,
unsigned a,
unsigned b,
unsigned g,
unsigned d,
unsigned e,
unsigned o)
{
bit_flags->alpha = a;
bit_flags->beta = b;
bit_flags->gamma = g;
bit_flags->delta = d;
bit_flags->epsilon = e;
bit_flags->omega = o;
}
/*****************************************************************
* INIT_BIT_FLAGS :
* Initializes a bit_flags_t structure. Can call this function see
* the call command behavior when integer arguments do not fit into
* registers and must be placed on the stack.
* OUT struct bit_flags_t *bit_flags -- structure to be filled
* IN unsigned a -- 0 or 1
* IN unsigned b -- 0 or 1
* IN unsigned g -- 0 or 1
* IN unsigned d -- 0 or 1
* IN unsigned e -- 0 or 1
* IN unsigned o -- 0 or 1
*****************************************************************/
void init_bit_flags (
struct bit_flags_t *bit_flags,
unsigned a,
unsigned b,
unsigned g,
unsigned d,
unsigned e,
unsigned o)
{
bit_flags->alpha = a;
bit_flags->beta = b;
bit_flags->gamma = g;
bit_flags->delta = d;
bit_flags->epsilon = e;
bit_flags->omega = o;
}
/*****************************************************************
* INIT_BIT_FLAGS_COMBO :
* Initializes a bit_flags_combo_t structure. Can call this function
* to see the call command behavior when integer and character arguments
* do not fit into registers and must be placed on the stack.
* OUT struct bit_flags_combo_t *bit_flags_combo -- structure to fill
* IN unsigned a -- 0 or 1
* IN unsigned b -- 0 or 1
* IN char ch1
* IN unsigned g -- 0 or 1
* IN unsigned d -- 0 or 1
* IN char ch2
* IN unsigned e -- 0 or 1
* IN unsigned o -- 0 or 1
*****************************************************************/
void init_bit_flags_combo (
struct bit_flags_combo_t *bit_flags_combo,
unsigned a,
unsigned b,
char ch1,
unsigned g,
unsigned d,
char ch2,
unsigned e,
unsigned o)
{
bit_flags_combo->alpha = a;
bit_flags_combo->beta = b;
bit_flags_combo->ch1 = ch1;
bit_flags_combo->gamma = g;
bit_flags_combo->delta = d;
bit_flags_combo->ch2 = ch2;
bit_flags_combo->epsilon = e;
bit_flags_combo->omega = o;
}
/*****************************************************************
* INIT_ONE_DOUBLE :
* OUT struct one_double_t *one_double -- structure to fill
* IN double init_val
*****************************************************************/
void init_one_double ( struct one_double_t *one_double, double init_val)
{
one_double->double1 = init_val;
}
/*****************************************************************
* INIT_TWO_FLOATS :
* OUT struct two_floats_t *two_floats -- structure to be filled
* IN float init_val1
* IN float init_val2
*****************************************************************/
void init_two_floats (
struct two_floats_t *two_floats,
float init_val1,
float init_val2)
{
two_floats->float1 = init_val1;
two_floats->float2 = init_val2;
}
/*****************************************************************
* INIT_THREE_CHARS :
* OUT struct three_char_t *three_char -- structure to be filled
* IN char init_val1
* IN char init_val2
* IN char init_val3
*****************************************************************/
void init_three_chars (
struct three_char_t *three_char,
char init_val1,
char init_val2,
char init_val3)
{
three_char->ch1 = init_val1;
three_char->ch2 = init_val2;
three_char->ch3 = init_val3;
}
/*****************************************************************
* INIT_FIVE_CHARS :
* OUT struct five_char_t *five_char -- structure to be filled
* IN char init_val1
* IN char init_val2
* IN char init_val3
* IN char init_val4
* IN char init_val5
*****************************************************************/
void init_five_chars (
struct five_char_t *five_char,
char init_val1,
char init_val2,
char init_val3,
char init_val4,
char init_val5)
{
five_char->ch1 = init_val1;
five_char->ch2 = init_val2;
five_char->ch3 = init_val3;
five_char->ch4 = init_val4;
five_char->ch5 = init_val5;
}
/*****************************************************************
* INIT_INT_CHAR_COMBO :
* OUT struct int_char_combo_t *combo -- structure to be filled
* IN int init_val1
* IN char init_val2
*****************************************************************/
void init_int_char_combo (
struct int_char_combo_t *combo,
int init_val1,
char init_val2)
{
combo->int1 = init_val1;
combo->ch1 = init_val2;
}
/*****************************************************************
* INIT_STRUCT_REP :
* OUT struct small_rep_into_t *small_struct -- structure to be filled
* IN int seed
*****************************************************************/
void init_struct_rep(
struct small_rep_info_t *small_struct,
int seed)
{
small_struct->value = 2 + (seed*2);
small_struct->head = 0;
}
/*****************************************************************
* PRINT_BIT_FLAGS_CHAR :
* IN struct bit_flags_char_t bit_flags
****************************************************************/
struct bit_flags_char_t print_bit_flags_char (struct bit_flags_char_t bit_flags)
{
if (bit_flags.alpha) printf("alpha\n");
if (bit_flags.beta) printf("beta\n");
if (bit_flags.gamma) printf("gamma\n");
if (bit_flags.delta) printf("delta\n");
if (bit_flags.epsilon) printf("epsilon\n");
if (bit_flags.omega) printf("omega\n");
return bit_flags;
}
/*****************************************************************
* PRINT_BIT_FLAGS_SHORT :
* IN struct bit_flags_short_t bit_flags
****************************************************************/
struct bit_flags_short_t print_bit_flags_short (struct bit_flags_short_t bit_flags)
{
if (bit_flags.alpha) printf("alpha\n");
if (bit_flags.beta) printf("beta\n");
if (bit_flags.gamma) printf("gamma\n");
if (bit_flags.delta) printf("delta\n");
if (bit_flags.epsilon) printf("epsilon\n");
if (bit_flags.omega) printf("omega\n");
return bit_flags;
}
/*****************************************************************
* PRINT_BIT_FLAGS :
* IN struct bit_flags_t bit_flags
****************************************************************/
struct bit_flags_t print_bit_flags (struct bit_flags_t bit_flags)
{
if (bit_flags.alpha) printf("alpha\n");
if (bit_flags.beta) printf("beta\n");
if (bit_flags.gamma) printf("gamma\n");
if (bit_flags.delta) printf("delta\n");
if (bit_flags.epsilon) printf("epsilon\n");
if (bit_flags.omega) printf("omega\n");
return bit_flags;
}
/*****************************************************************
* PRINT_BIT_FLAGS_COMBO :
* IN struct bit_flags_combo_t bit_flags_combo
****************************************************************/
struct bit_flags_combo_t print_bit_flags_combo (struct bit_flags_combo_t bit_flags_combo)
{
if (bit_flags_combo.alpha) printf("alpha\n");
if (bit_flags_combo.beta) printf("beta\n");
if (bit_flags_combo.gamma) printf("gamma\n");
if (bit_flags_combo.delta) printf("delta\n");
if (bit_flags_combo.epsilon) printf("epsilon\n");
if (bit_flags_combo.omega) printf("omega\n");
printf("ch1: %c\tch2: %c\n", bit_flags_combo.ch1, bit_flags_combo.ch2);
return bit_flags_combo;
}
/*****************************************************************
* PRINT_ONE_DOUBLE :
* IN struct one_double_t one_double
****************************************************************/
struct one_double_t print_one_double (struct one_double_t one_double)
{
printf("Contents of one_double_t: \n\n");
printf("%f\n", one_double.double1);
return one_double;
}
/*****************************************************************
* PRINT_TWO_FLOATS :
* IN struct two_floats_t two_floats
****************************************************************/
struct two_floats_t print_two_floats (struct two_floats_t two_floats)
{
printf("Contents of two_floats_t: \n\n");
printf("%f\t%f\n", two_floats.float1, two_floats.float2);
return two_floats;
}
/*****************************************************************
* PRINT_THREE_CHARS :
* IN struct three_char_t three_char
****************************************************************/
struct three_char_t print_three_chars (struct three_char_t three_char)
{
printf("Contents of three_char_t: \n\n");
printf("%c\t%c\t%c\n", three_char.ch1, three_char.ch2, three_char.ch3);
return three_char;
}
/*****************************************************************
* PRINT_FIVE_CHARS :
* IN struct five_char_t five_char
****************************************************************/
struct five_char_t print_five_chars (struct five_char_t five_char)
{
printf("Contents of five_char_t: \n\n");
printf("%c\t%c\t%c\t%c\t%c\n", five_char.ch1, five_char.ch2,
five_char.ch3, five_char.ch4,
five_char.ch5);
return five_char;
}
/*****************************************************************
* PRINT_INT_CHAR_COMBO :
* IN struct int_char_combo_t int_char_combo
****************************************************************/
struct int_char_combo_t print_int_char_combo (struct int_char_combo_t int_char_combo)
{
printf("Contents of int_char_combo_t: \n\n");
printf("%d\t%c\n", int_char_combo.int1, int_char_combo.ch1);
return int_char_combo;
}
/*****************************************************************
* PRINT_STRUCT_REP :
****************************************************************/
struct small_rep_info_t print_struct_rep(struct small_rep_info_t struct1)
{
printf("Contents of struct1: \n\n");
printf("%10d%10d\n", struct1.value, struct1.head);
struct1.value =+5;
return struct1;
}
struct array_rep_info_t print_one_large_struct(struct array_rep_info_t linked_list1)
{
printf("%10d%10d\n", linked_list1.values[0],
linked_list1.next_index[0]);
return linked_list1;
}
/*****************************************************************
* INIT_ARRAY_REP :
* IN struct array_rep_info_t *linked_list
* IN int seed
****************************************************************/
void init_array_rep(struct array_rep_info_t *linked_list, int seed)
{
int index;
for (index = 0; index < 10; index++) {
linked_list->values[index] = (2*index) + (seed*2);
linked_list->next_index[index] = index + 1;
}
linked_list->head = 0;
}
int main () {
/* variables for large structure testing
*/
int number = 10;
struct array_rep_info_t *list1;
/* variables for testing a small structures and a very long argument list
*/
struct small_rep_info_t *struct1;
struct bit_flags_char_t *cflags;
struct bit_flags_short_t *sflags;
struct bit_flags_t *flags;
struct bit_flags_combo_t *flags_combo;
struct three_char_t *three_char;
struct five_char_t *five_char;
struct int_char_combo_t *int_char_combo;
struct one_double_t *d1;
struct two_floats_t *f3;
gdb_unbuffer_output ();
/* Allocate space for large structures
*/
list1 = (struct array_rep_info_t *)malloc(sizeof(struct array_rep_info_t));
/* Initialize large structures
*/
init_array_rep(list1, 2);
/* Print large structures
*/
print_one_large_struct(*list1);
/* Allocate space for small structures
*/
struct1 = (struct small_rep_info_t *)malloc(sizeof(struct small_rep_info_t));
cflags = (struct bit_flags_char_t *)malloc(sizeof(struct bit_flags_char_t));
sflags = (struct bit_flags_short_t *)malloc(sizeof(struct bit_flags_short_t));
flags = (struct bit_flags_t *)malloc(sizeof(struct bit_flags_t));
flags_combo = (struct bit_flags_combo_t *)malloc(sizeof(struct bit_flags_combo_t));
three_char = (struct three_char_t *)malloc(sizeof(struct three_char_t));
five_char = (struct five_char_t *)malloc(sizeof(struct five_char_t));
int_char_combo = (struct int_char_combo_t *)malloc(sizeof(struct int_char_combo_t));
d1 = (struct one_double_t *)malloc(sizeof(struct one_double_t));
f3 = (struct two_floats_t *)malloc(sizeof(struct two_floats_t));
/* Initialize small structures
*/
init_one_double ( d1, 1.11111);
init_two_floats ( f3, -2.345, 1.0);
init_bit_flags_char(cflags, (unsigned)1, (unsigned)0, (unsigned)1,
(unsigned)0, (unsigned)1, (unsigned)0 );
init_bit_flags_short(sflags, (unsigned)1, (unsigned)0, (unsigned)1,
(unsigned)0, (unsigned)1, (unsigned)0 );
init_bit_flags(flags, (unsigned)1, (unsigned)0, (unsigned)1,
(unsigned)0, (unsigned)1, (unsigned)0 );
init_bit_flags_combo(flags_combo, (unsigned)1, (unsigned)0, 'y',
(unsigned)1, (unsigned)0, 'n',
(unsigned)1, (unsigned)0 );
init_three_chars(three_char, 'x', 'y', 'z');
init_five_chars(five_char, 'h', 'e', 'l', 'l', 'o');
init_int_char_combo(int_char_combo, 13, '!');
init_struct_rep(struct1, 10);
/* Print small structures
*/
print_one_double(*d1);
print_two_floats(*f3);
print_bit_flags_char(*cflags);
print_bit_flags_short(*sflags);
print_bit_flags(*flags);
print_bit_flags_combo(*flags_combo);
print_three_chars(*three_char);
print_five_chars(*five_char);
print_int_char_combo(*int_char_combo);
print_struct_rep(*struct1);
loop_count(); /* -finish2- */
return 0; /* -finish1- */
}