1 /* Area: ffi_call, closure_call 2 Purpose: Check structure alignment of long double. 3 Limitations: none. 4 PR: none. 5 Originator: Blake Chaffin 6/18/2007 6 */ 7 8 /* { dg-excess-errors "no long double format" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */ 9 /* { dg-do run { xfail strongarm*-*-* } } */ 10 /* { dg-options -mlong-double-128 { target powerpc64*-*-linux* } } */ 11 /* { dg-output "" { xfail x86_64-*-mingw* x86_64-*-cygwin* } } */ 12 13 #include "ffitest.h" 14 15 typedef struct cls_struct_align { 16 long double a; 17 long double b; 18 long double c; 19 long double d; 20 long double e; 21 double f; 22 long double g; 23 } cls_struct_align; 24 25 cls_struct_align cls_struct_align_fn( 26 cls_struct_align a1, 27 cls_struct_align a2) 28 { 29 struct cls_struct_align r; 30 31 r.a = a1.a + a2.a; 32 r.b = a1.b + a2.b; 33 r.c = a1.c + a2.c; 34 r.d = a1.d + a2.d; 35 r.e = a1.e + a2.e; 36 r.f = a1.f + a2.f; 37 r.g = a1.g + a2.g; 38 39 printf("%Lg %Lg %Lg %Lg %Lg %g %Lg %Lg %Lg %Lg %Lg %Lg %g %Lg: " 40 "%Lg %Lg %Lg %Lg %Lg %g %Lg\n", 41 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g, 42 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g, 43 r.a, r.b, r.c, r.d, r.e, r.f, r.g); 44 45 return r; 46 } 47 48 static void 49 cls_struct_align_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, 50 void* userdata __UNUSED__) 51 { 52 struct cls_struct_align a1, a2; 53 54 a1 = *(struct cls_struct_align*)(args[0]); 55 a2 = *(struct cls_struct_align*)(args[1]); 56 57 *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2); 58 } 59 60 int main (void) 61 { 62 ffi_cif cif; 63 void *code; 64 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 65 void* args_dbl[3]; 66 ffi_type* cls_struct_fields[8]; 67 ffi_type cls_struct_type; 68 ffi_type* dbl_arg_types[3]; 69 70 struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 }; 71 struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 }; 72 struct cls_struct_align res_dbl; 73 74 cls_struct_type.size = 0; 75 cls_struct_type.alignment = 0; 76 cls_struct_type.type = FFI_TYPE_STRUCT; 77 cls_struct_type.elements = cls_struct_fields; 78 79 cls_struct_fields[0] = &ffi_type_longdouble; 80 cls_struct_fields[1] = &ffi_type_longdouble; 81 cls_struct_fields[2] = &ffi_type_longdouble; 82 cls_struct_fields[3] = &ffi_type_longdouble; 83 cls_struct_fields[4] = &ffi_type_longdouble; 84 cls_struct_fields[5] = &ffi_type_double; 85 cls_struct_fields[6] = &ffi_type_longdouble; 86 cls_struct_fields[7] = NULL; 87 88 dbl_arg_types[0] = &cls_struct_type; 89 dbl_arg_types[1] = &cls_struct_type; 90 dbl_arg_types[2] = NULL; 91 92 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 93 dbl_arg_types) == FFI_OK); 94 95 args_dbl[0] = &g_dbl; 96 args_dbl[1] = &f_dbl; 97 args_dbl[2] = NULL; 98 99 ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl); 100 /* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */ 101 printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b, 102 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g); 103 /* { dg-output "\nres: 9 11 13 15 17 19 21" } */ 104 105 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_align_gn, NULL, code) == FFI_OK); 106 107 res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(code))(g_dbl, f_dbl); 108 /* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */ 109 printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b, 110 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g); 111 /* { dg-output "\nres: 9 11 13 15 17 19 21" } */ 112 113 exit(0); 114 } 115 116 117 118
