/js/src/ctypes/libffi/testsuite/libffi.call/cls_align_longdouble_split.c

  1/* Area:	ffi_call, closure_call
  2   Purpose:	Check structure alignment of long double.
  3   Limitations:	none.
  4   PR:		none.
  5   Originator:	<hos@tamanegi.org> 20031203	 */
  6
  7/* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
  8/* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */
  9/* { dg-options -mlong-double-128 { target powerpc64*-*-* } } */
 10/* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */
 11
 12#include "ffitest.h"
 13
 14typedef struct cls_struct_align {
 15  long double a;
 16  long double b;
 17  long double c;
 18  long double d;
 19  long double e;
 20  long double f;
 21  long double g;
 22} cls_struct_align;
 23
 24cls_struct_align cls_struct_align_fn(
 25	cls_struct_align	a1,
 26	cls_struct_align	a2)
 27{
 28	struct cls_struct_align r;
 29
 30	r.a = a1.a + a2.a;
 31	r.b = a1.b + a2.b;
 32	r.c = a1.c + a2.c;
 33	r.d = a1.d + a2.d;
 34	r.e = a1.e + a2.e;
 35	r.f = a1.f + a2.f;
 36	r.g = a1.g + a2.g;
 37
 38	printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg %Lg: "
 39		"%Lg %Lg %Lg %Lg %Lg %Lg %Lg\n",
 40		a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
 41		a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g,
 42		r.a, r.b, r.c, r.d, r.e, r.f, r.g);
 43
 44	return r;
 45}
 46
 47cls_struct_align cls_struct_align_fn2(
 48	cls_struct_align	a1)
 49{
 50	struct cls_struct_align r;
 51
 52	r.a = a1.a + 1;
 53	r.b = a1.b + 1;
 54	r.c = a1.c + 1;
 55	r.d = a1.d + 1;
 56	r.e = a1.e + 1;
 57	r.f = a1.f + 1;
 58	r.g = a1.g + 1;
 59
 60	printf("%Lg %Lg %Lg %Lg %Lg %Lg %Lg: "
 61		"%Lg %Lg %Lg %Lg %Lg %Lg %Lg\n",
 62		a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g,
 63		r.a, r.b, r.c, r.d, r.e, r.f, r.g);
 64
 65	return r;
 66}
 67
 68static void
 69cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 
 70		    void* userdata __UNUSED__)
 71{
 72	struct cls_struct_align a1, a2;
 73
 74	a1 = *(struct cls_struct_align*)(args[0]);
 75	a2 = *(struct cls_struct_align*)(args[1]);
 76
 77	*(cls_struct_align*)resp = cls_struct_align_fn(a1, a2);
 78}
 79
 80int main (void)
 81{
 82	ffi_cif cif;
 83        void *code;
 84	ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code);
 85	void* args_dbl[3];
 86	ffi_type* cls_struct_fields[8];
 87	ffi_type cls_struct_type;
 88	ffi_type* dbl_arg_types[3];
 89
 90	cls_struct_type.size = 0;
 91	cls_struct_type.alignment = 0;
 92	cls_struct_type.type = FFI_TYPE_STRUCT;
 93	cls_struct_type.elements = cls_struct_fields;
 94
 95	struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 };
 96	struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 };
 97	struct cls_struct_align res_dbl;
 98
 99	cls_struct_fields[0] = &ffi_type_longdouble;
100	cls_struct_fields[1] = &ffi_type_longdouble;
101	cls_struct_fields[2] = &ffi_type_longdouble;
102	cls_struct_fields[3] = &ffi_type_longdouble;
103	cls_struct_fields[4] = &ffi_type_longdouble;
104	cls_struct_fields[5] = &ffi_type_longdouble;
105	cls_struct_fields[6] = &ffi_type_longdouble;
106	cls_struct_fields[7] = NULL;
107
108	dbl_arg_types[0] = &cls_struct_type;
109	dbl_arg_types[1] = &cls_struct_type;
110	dbl_arg_types[2] = NULL;
111
112	CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type,
113		dbl_arg_types) == FFI_OK);
114
115	args_dbl[0] = &g_dbl;
116	args_dbl[1] = &f_dbl;
117	args_dbl[2] = NULL;
118
119	ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl);
120	/* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
121	printf("res: %Lg %Lg %Lg %Lg %Lg %Lg %Lg\n", res_dbl.a, res_dbl.b,
122		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
123	/* { dg-output "\nres: 9 11 13 15 17 19 21" } */
124
125	CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK);
126
127	res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl);
128	/* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */
129	printf("res: %Lg %Lg %Lg %Lg %Lg %Lg %Lg\n", res_dbl.a, res_dbl.b,
130		res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g);
131	/* { dg-output "\nres: 9 11 13 15 17 19 21" } */
132
133  exit(0);
134}