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_8byte { 12 int a; 13 float b; 14} cls_struct_8byte; 15 16cls_struct_8byte cls_struct_8byte_fn(struct cls_struct_8byte a1, 17 struct cls_struct_8byte a2) 18{ 19 struct cls_struct_8byte result; 20 21 result.a = a1.a + a2.a; 22 result.b = a1.b + a2.b; 23 24 printf("%d %g %d %g: %d %g\n", a1.a, a1.b, a2.a, a2.b, result.a, result.b); 25 26 return result; 27} 28 29static void 30cls_struct_8byte_gn(ffi_cif* cif, void* resp, void** args, void* userdata) 31{ 32 33 struct cls_struct_8byte a1, a2; 34 35 a1 = *(struct cls_struct_8byte*)(args[0]); 36 a2 = *(struct cls_struct_8byte*)(args[1]); 37 38 *(cls_struct_8byte*)resp = cls_struct_8byte_fn(a1, a2); 39} 40 41int main (void) 42{ 43 ffi_cif cif; 44#ifndef USING_MMAP 45 static ffi_closure cl; 46#endif 47 ffi_closure *pcl; 48 void* args_dbl[5]; 49 ffi_type* cls_struct_fields[4]; 50 ffi_type cls_struct_type; 51 ffi_type* dbl_arg_types[5]; 52 53#ifdef USING_MMAP 54 pcl = allocate_mmap (sizeof(ffi_closure)); 55#else 56 pcl = &cl; 57#endif 58 59 cls_struct_type.size = 0; 60 cls_struct_type.alignment = 0; 61 cls_struct_type.type = FFI_TYPE_STRUCT; 62 cls_struct_type.elements = cls_struct_fields; 63 64 struct cls_struct_8byte g_dbl = { 1, 2.0 }; 65 struct cls_struct_8byte f_dbl = { 4, 5.0 }; 66 struct cls_struct_8byte res_dbl; 67 68 cls_struct_fields[0] = &ffi_type_uint32; 69 cls_struct_fields[1] = &ffi_type_float; 70 cls_struct_fields[2] = NULL; 71 72 dbl_arg_types[0] = &cls_struct_type; 73 dbl_arg_types[1] = &cls_struct_type; 74 dbl_arg_types[2] = NULL; 75 76 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &cls_struct_type, 77 dbl_arg_types) == FFI_OK); 78 79 args_dbl[0] = &g_dbl; 80 args_dbl[1] = &f_dbl; 81 args_dbl[2] = NULL; 82 83 ffi_call(&cif, FFI_FN(cls_struct_8byte_fn), &res_dbl, args_dbl); 84 /* { dg-output "1 2 4 5: 5 7" } */ 85 printf("res: %d %g\n", res_dbl.a, res_dbl.b); 86 /* { dg-output "\nres: 5 7" } */ 87 CHECK(ffi_prep_closure(pcl, &cif, cls_struct_8byte_gn, NULL) == FFI_OK); 88 89 res_dbl = ((cls_struct_8byte(*)(cls_struct_8byte, cls_struct_8byte))(pcl))(g_dbl, f_dbl); 90 /* { dg-output "\n1 2 4 5: 5 7" } */ 91 printf("res: %d %g\n", res_dbl.a, res_dbl.b); 92 /* { dg-output "\nres: 5 7" } */ 93 94 exit(0); 95} 96