1/* Area: ffi_call, closure_call 2 Purpose: Check structure passing with different structure size. 3 Depending on the ABI. Check overlapping. 4 Limitations: none. 5 PR: none. 6 Originator: <andreast@gcc.gnu.org> 20030828 */ 7 8/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */ 9#include "ffitest.h" 10 11typedef struct cls_struct_20byte { 12 int a; 13 double b; 14 double c; 15} cls_struct_20byte; 16 17cls_struct_20byte cls_struct_20byte_fn(struct cls_struct_20byte a1, 18 struct cls_struct_20byte a2) 19{ 20 struct cls_struct_20byte result; 21 22 result.a = a1.a + a2.a; 23 result.b = a1.b + a2.b; 24 result.c = a1.c + a2.c; 25 26 printf("%d %g %g %d %g %g: %d %g %g\n", a1.a, a1.b, a1.c, a2.a, a2.b, a2.c, 27 result.a, result.b, result.c); 28 return result; 29} 30 31static void 32cls_struct_20byte_gn(ffi_cif* cif, void* resp, void** args, void* userdata) 33{ 34 struct cls_struct_20byte a1, a2; 35 36 a1 = *(struct cls_struct_20byte*)(args[0]); 37 a2 = *(struct cls_struct_20byte*)(args[1]); 38 39 *(cls_struct_20byte*)resp = cls_struct_20byte_fn(a1, a2); 40} 41 42int main (void) 43{ 44 ffi_cif cif; 45#ifndef USING_MMAP 46 static ffi_closure cl; 47#endif 48 ffi_closure *pcl; 49 void* args_dbl[3]; 50 ffi_type* cls_struct_fields[4]; 51 ffi_type cls_struct_type; 52 ffi_type* dbl_arg_types[3]; 53 54#ifdef USING_MMAP 55 pcl = allocate_mmap (sizeof(ffi_closure)); 56#else 57 pcl = &cl; 58#endif 59 60 cls_struct_type.size = 0; 61 cls_struct_type.alignment = 0; 62 cls_struct_type.type = FFI_TYPE_STRUCT; 63 cls_struct_type.elements = cls_struct_fields; 64 65 struct cls_struct_20byte g_dbl = { 1, 2.0, 3.0 }; 66 struct cls_struct_20byte f_dbl = { 4, 5.0, 7.0 }; 67 struct cls_struct_20byte res_dbl; 68 69 cls_struct_fields[0] = &ffi_type_uint32; 70 cls_struct_fields[1] = &ffi_type_double; 71 cls_struct_fields[2] = &ffi_type_double; 72 cls_struct_fields[3] = NULL; 73 74 dbl_arg_types[0] = &cls_struct_type; 75 dbl_arg_types[1] = &cls_struct_type; 76 dbl_arg_types[2] = NULL; 77 78 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 79 dbl_arg_types) == FFI_OK); 80 81 args_dbl[0] = &g_dbl; 82 args_dbl[1] = &f_dbl; 83 args_dbl[2] = NULL; 84 85 ffi_call(&cif, FFI_FN(cls_struct_20byte_fn), &res_dbl, args_dbl); 86 /* { dg-output "1 2 3 4 5 7: 5 7 10" } */ 87 printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c); 88 /* { dg-output "\nres: 5 7 10" } */ 89 90 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_20byte_gn, NULL) == FFI_OK); 91 92 res_dbl = ((cls_struct_20byte(*)(cls_struct_20byte, cls_struct_20byte))(pcl))(g_dbl, f_dbl); 93 /* { dg-output "\n1 2 3 4 5 7: 5 7 10" } */ 94 printf("res: %d %g %g\n", res_dbl.a, res_dbl.b, res_dbl.c); 95 /* { dg-output "\nres: 5 7 10" } */ 96 97 exit(0); 98} 99