114 lines
2.4 KiB
C
114 lines
2.4 KiB
C
/* Area: ffi_call
|
|
Purpose: Check different structures.
|
|
Limitations: none.
|
|
PR: none.
|
|
Originator: Ronald Oussoren <oussoren@cistron.nl> 20030824 */
|
|
|
|
/* { dg-do run } */
|
|
#include "ffitest.h"
|
|
|
|
typedef struct Point {
|
|
float x;
|
|
float y;
|
|
} Point;
|
|
|
|
typedef struct Size {
|
|
float h;
|
|
float w;
|
|
} Size;
|
|
|
|
typedef struct Rect {
|
|
Point o;
|
|
Size s;
|
|
} Rect;
|
|
|
|
int doit(int o, char* s, Point p, Rect r, int last)
|
|
{
|
|
printf("CALLED WITH %d %s {%f %f} {{%f %f} {%f %f}} %d\n",
|
|
o, s, p.x, p.y, r.o.x, r.o.y, r.s.h, r.s.w, last);
|
|
return 42;
|
|
}
|
|
|
|
|
|
int main(void)
|
|
{
|
|
ffi_type point_type;
|
|
ffi_type size_type;
|
|
ffi_type rect_type;
|
|
ffi_cif cif;
|
|
ffi_type* arglist[6];
|
|
void* values[6];
|
|
int r;
|
|
|
|
/*
|
|
* First set up FFI types for the 3 struct types
|
|
*/
|
|
|
|
point_type.size = 0; /*sizeof(Point);*/
|
|
point_type.alignment = 0; /*__alignof__(Point);*/
|
|
point_type.type = FFI_TYPE_STRUCT;
|
|
point_type.elements = malloc(3 * sizeof(ffi_type*));
|
|
point_type.elements[0] = &ffi_type_float;
|
|
point_type.elements[1] = &ffi_type_float;
|
|
point_type.elements[2] = NULL;
|
|
|
|
size_type.size = 0;/* sizeof(Size);*/
|
|
size_type.alignment = 0;/* __alignof__(Size);*/
|
|
size_type.type = FFI_TYPE_STRUCT;
|
|
size_type.elements = malloc(3 * sizeof(ffi_type*));
|
|
size_type.elements[0] = &ffi_type_float;
|
|
size_type.elements[1] = &ffi_type_float;
|
|
size_type.elements[2] = NULL;
|
|
|
|
rect_type.size = 0;/*sizeof(Rect);*/
|
|
rect_type.alignment =0;/* __alignof__(Rect);*/
|
|
rect_type.type = FFI_TYPE_STRUCT;
|
|
rect_type.elements = malloc(3 * sizeof(ffi_type*));
|
|
rect_type.elements[0] = &point_type;
|
|
rect_type.elements[1] = &size_type;
|
|
rect_type.elements[2] = NULL;
|
|
|
|
/*
|
|
* Create a CIF
|
|
*/
|
|
arglist[0] = &ffi_type_sint;
|
|
arglist[1] = &ffi_type_pointer;
|
|
arglist[2] = &point_type;
|
|
arglist[3] = &rect_type;
|
|
arglist[4] = &ffi_type_sint;
|
|
arglist[5] = NULL;
|
|
|
|
r = ffi_prep_cif(&cif, FFI_DEFAULT_ABI,
|
|
5, &ffi_type_sint, arglist);
|
|
if (r != FFI_OK) {
|
|
abort();
|
|
}
|
|
|
|
|
|
/* And call the function through the CIF */
|
|
|
|
{
|
|
Point p = { 1.0, 2.0 };
|
|
Rect r = { { 9.0, 10.0}, { -1.0, -2.0 } };
|
|
int o = 0;
|
|
int l = 42;
|
|
char* m = "myMethod";
|
|
ffi_arg result;
|
|
|
|
values[0] = &o;
|
|
values[1] = &m;
|
|
values[2] = &p;
|
|
values[3] = &r;
|
|
values[4] = &l;
|
|
values[5] = NULL;
|
|
|
|
printf("CALLING WITH %d %s {%f %f} {{%f %f} {%f %f}} %d\n",
|
|
o, m, p.x, p.y, r.o.x, r.o.y, r.s.h, r.s.w, l);
|
|
|
|
ffi_call(&cif, FFI_FN(doit), &result, values);
|
|
|
|
printf ("The result is %d\n", (int)result);
|
|
|
|
}
|
|
exit(0);
|
|
}
|