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-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */ 9/* { dg-options -mlong-double-128 { target powerpc64*-*-* } } */ 10 11#include "ffitest.h" 12 13typedef struct cls_struct_align { 14 long double a; 15 long double b; 16 long double c; 17 long double d; 18 long double e; 19 double f; 20 long double g; 21} cls_struct_align; 22 23cls_struct_align cls_struct_align_fn( 24 cls_struct_align a1, 25 cls_struct_align a2) 26{ 27 struct cls_struct_align r; 28 29 r.a = a1.a + a2.a; 30 r.b = a1.b + a2.b; 31 r.c = a1.c + a2.c; 32 r.d = a1.d + a2.d; 33 r.e = a1.e + a2.e; 34 r.f = a1.f + a2.f; 35 r.g = a1.g + a2.g; 36 37 printf("%Lg %Lg %Lg %Lg %Lg %g %Lg %Lg %Lg %Lg %Lg %Lg %g %Lg: " 38 "%Lg %Lg %Lg %Lg %Lg %g %Lg\n", 39 a1.a, a1.b, a1.c, a1.d, a1.e, a1.f, a1.g, 40 a2.a, a2.b, a2.c, a2.d, a2.e, a2.f, a2.g, 41 r.a, r.b, r.c, r.d, r.e, r.f, r.g); 42 43 return r; 44} 45 46static void 47cls_struct_align_gn(ffi_cif* cif, void* resp, void** args, void* userdata) 48{ 49 struct cls_struct_align a1, a2; 50 51 a1 = *(struct cls_struct_align*)(args[0]); 52 a2 = *(struct cls_struct_align*)(args[1]); 53 54 *(cls_struct_align*)resp = cls_struct_align_fn(a1, a2); 55} 56 57int main (void) 58{ 59 ffi_cif cif; 60#ifndef USING_MMAP 61 static ffi_closure cl; 62#endif 63 ffi_closure *pcl; 64 void* args_dbl[3]; 65 ffi_type* cls_struct_fields[8]; 66 ffi_type cls_struct_type; 67 ffi_type* dbl_arg_types[3]; 68 69#ifdef USING_MMAP 70 pcl = allocate_mmap (sizeof(ffi_closure)); 71#else 72 pcl = &cl; 73#endif 74 75 cls_struct_type.size = 0; 76 cls_struct_type.alignment = 0; 77 cls_struct_type.type = FFI_TYPE_STRUCT; 78 cls_struct_type.elements = cls_struct_fields; 79 80 struct cls_struct_align g_dbl = { 1, 2, 3, 4, 5, 6, 7 }; 81 struct cls_struct_align f_dbl = { 8, 9, 10, 11, 12, 13, 14 }; 82 struct cls_struct_align res_dbl; 83 84 cls_struct_fields[0] = &ffi_type_longdouble; 85 cls_struct_fields[1] = &ffi_type_longdouble; 86 cls_struct_fields[2] = &ffi_type_longdouble; 87 cls_struct_fields[3] = &ffi_type_longdouble; 88 cls_struct_fields[4] = &ffi_type_longdouble; 89 cls_struct_fields[5] = &ffi_type_double; 90 cls_struct_fields[6] = &ffi_type_longdouble; 91 cls_struct_fields[7] = NULL; 92 93 dbl_arg_types[0] = &cls_struct_type; 94 dbl_arg_types[1] = &cls_struct_type; 95 dbl_arg_types[2] = NULL; 96 97 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 98 dbl_arg_types) == FFI_OK); 99 100 args_dbl[0] = &g_dbl; 101 args_dbl[1] = &f_dbl; 102 args_dbl[2] = NULL; 103 104 ffi_call(&cif, FFI_FN(cls_struct_align_fn), &res_dbl, args_dbl); 105 /* { dg-output "1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */ 106 printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b, 107 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g); 108 /* { dg-output "\nres: 9 11 13 15 17 19 21" } */ 109 110 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_align_gn, NULL) == FFI_OK); 111 112 res_dbl = ((cls_struct_align(*)(cls_struct_align, cls_struct_align))(pcl))(g_dbl, f_dbl); 113 /* { dg-output "\n1 2 3 4 5 6 7 8 9 10 11 12 13 14: 9 11 13 15 17 19 21" } */ 114 printf("res: %Lg %Lg %Lg %Lg %Lg %g %Lg\n", res_dbl.a, res_dbl.b, 115 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g); 116 /* { dg-output "\nres: 9 11 13 15 17 19 21" } */ 117 118 exit(0); 119} 120