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