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      1 /* Area:		ffi_call, closure_call
      2    Purpose:		Check structure returning with different structure size.
      3 				Depending on the ABI. Check bigger struct which overlaps
      4 				the gp and fp register count on Darwin/AIX/ppc64.
      5    Limitations:	none.
      6    PR:			none.
      7    Originator:	Blake Chaffin	6/21/2007	*/
      8 
      9 /* { dg-do run { xfail strongarm*-*-* xscale*-*-*  } } */
     10 #include "ffitest.h"
     11 
     12 typedef struct struct_72byte {
     13 	double a;
     14 	double b;
     15 	double c;
     16 	double d;
     17 	double e;
     18 	double f;
     19 	double g;
     20 	double h;
     21 	double i;
     22 } struct_72byte;
     23 
     24 struct_72byte cls_struct_72byte_fn(
     25 	struct_72byte b0,
     26 	struct_72byte b1,
     27 	struct_72byte b2,
     28 	struct_72byte b3)
     29 {
     30 	struct_72byte	result;
     31 
     32 	result.a = b0.a + b1.a + b2.a + b3.a;
     33 	result.b = b0.b + b1.b + b2.b + b3.b;
     34 	result.c = b0.c + b1.c + b2.c + b3.c;
     35 	result.d = b0.d + b1.d + b2.d + b3.d;
     36 	result.e = b0.e + b1.e + b2.e + b3.e;
     37 	result.f = b0.f + b1.f + b2.f + b3.f;
     38 	result.g = b0.g + b1.g + b2.g + b3.g;
     39 	result.h = b0.h + b1.h + b2.h + b3.h;
     40 	result.i = b0.i + b1.i + b2.i + b3.i;
     41 
     42 	printf("%g %g %g %g %g %g %g %g %g\n", result.a, result.b, result.c,
     43 		result.d, result.e, result.f, result.g, result.h, result.i);
     44 
     45 	return result;
     46 }
     47 
     48 static void
     49 cls_struct_72byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, void* userdata __UNUSED__)
     50 {
     51 	struct_72byte	b0, b1, b2, b3;
     52 
     53 	b0 = *(struct_72byte*)(args[0]);
     54 	b1 = *(struct_72byte*)(args[1]);
     55 	b2 = *(struct_72byte*)(args[2]);
     56 	b3 = *(struct_72byte*)(args[3]);
     57 
     58 	*(struct_72byte*)resp = cls_struct_72byte_fn(b0, b1, b2, b3);
     59 }
     60 
     61 int main (void)
     62 {
     63 	ffi_cif cif;
     64         void *code;
     65 	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
     66 	void* args_dbl[5];
     67 	ffi_type* cls_struct_fields[10];
     68 	ffi_type cls_struct_type;
     69 	ffi_type* dbl_arg_types[5];
     70 
     71 	struct_72byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0, 7.0 };
     72 	struct_72byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0, 4.0 };
     73 	struct_72byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0, 3.0 };
     74 	struct_72byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0, 2.0 };
     75 	struct_72byte res_dbl;
     76 
     77 	cls_struct_type.size = 0;
     78 	cls_struct_type.alignment = 0;
     79 	cls_struct_type.type = FFI_TYPE_STRUCT;
     80 	cls_struct_type.elements = cls_struct_fields;
     81 
     82 	cls_struct_fields[0] = &ffi_type_double;
     83 	cls_struct_fields[1] = &ffi_type_double;
     84 	cls_struct_fields[2] = &ffi_type_double;
     85 	cls_struct_fields[3] = &ffi_type_double;
     86 	cls_struct_fields[4] = &ffi_type_double;
     87 	cls_struct_fields[5] = &ffi_type_double;
     88 	cls_struct_fields[6] = &ffi_type_double;
     89 	cls_struct_fields[7] = &ffi_type_double;
     90 	cls_struct_fields[8] = &ffi_type_double;
     91 	cls_struct_fields[9] = NULL;
     92 
     93 	dbl_arg_types[0] = &cls_struct_type;
     94 	dbl_arg_types[1] = &cls_struct_type;
     95 	dbl_arg_types[2] = &cls_struct_type;
     96 	dbl_arg_types[3] = &cls_struct_type;
     97 	dbl_arg_types[4] = NULL;
     98 
     99 	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type,
    100 		dbl_arg_types) == FFI_OK);
    101 
    102 	args_dbl[0] = &e_dbl;
    103 	args_dbl[1] = &f_dbl;
    104 	args_dbl[2] = &g_dbl;
    105 	args_dbl[3] = &h_dbl;
    106 	args_dbl[4] = NULL;
    107 
    108 	ffi_call(&cif, FFI_FN(cls_struct_72byte_fn), &res_dbl, args_dbl);
    109 	/* { dg-output "22 15 17 25 6 13 19 18 16" } */
    110 	printf("res: %g %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
    111 		res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i);
    112 	/* { dg-output "\nres: 22 15 17 25 6 13 19 18 16" } */
    113 
    114 	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_72byte_gn, NULL, code) == FFI_OK);
    115 
    116 	res_dbl = ((struct_72byte(*)(struct_72byte, struct_72byte,
    117 		struct_72byte, struct_72byte))(code))(e_dbl, f_dbl, g_dbl, h_dbl);
    118 	/* { dg-output "\n22 15 17 25 6 13 19 18 16" } */
    119 	printf("res: %g %g %g %g %g %g %g %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c,
    120 		res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i);
    121 	/* { dg-output "\nres: 22 15 17 25 6 13 19 18 16" } */
    122 
    123 	exit(0);
    124 }
    125