1/* Area: ffi_call, closure_call 2 Purpose: Check structure passing with different structure size. 3 Limitations: none. 4 PR: none. 5 Originator: <andreast@gcc.gnu.org> 20030828 */ 6 7/* { dg-do run { xfail mips*-*-* arm*-*-* strongarm*-*-* xscale*-*-* } } */ 8#include "ffitest.h" 9 10typedef struct my_ffi_struct { 11 double a; 12 double b; 13 double c; 14} my_ffi_struct; 15 16my_ffi_struct callee(struct my_ffi_struct a1, struct my_ffi_struct a2) 17{ 18 struct my_ffi_struct result; 19 result.a = a1.a + a2.a; 20 result.b = a1.b + a2.b; 21 result.c = a1.c + a2.c; 22 23 24 printf("%g %g %g %g %g %g: %g %g %g\n", a1.a, a1.b, a1.c, 25 a2.a, a2.b, a2.c, result.a, result.b, result.c); 26 27 return result; 28} 29 30void stub(ffi_cif* cif, void* resp, void** args, void* userdata) 31{ 32 struct my_ffi_struct a1; 33 struct my_ffi_struct a2; 34 35 a1 = *(struct my_ffi_struct*)(args[0]); 36 a2 = *(struct my_ffi_struct*)(args[1]); 37 38 *(my_ffi_struct *)resp = callee(a1, a2); 39} 40 41 42int main(void) 43{ 44 ffi_type* my_ffi_struct_fields[4]; 45 ffi_type my_ffi_struct_type; 46 ffi_cif cif; 47#ifndef USING_MMAP 48 static ffi_closure cl; 49#endif 50 ffi_closure *pcl; 51 void* args[4]; 52 ffi_type* arg_types[3]; 53 54#ifdef USING_MMAP 55 pcl = allocate_mmap (sizeof(ffi_closure)); 56#else 57 pcl = &cl; 58#endif 59 60 struct my_ffi_struct g = { 1.0, 2.0, 3.0 }; 61 struct my_ffi_struct f = { 1.0, 2.0, 3.0 }; 62 struct my_ffi_struct res; 63 64 my_ffi_struct_type.size = 0; 65 my_ffi_struct_type.alignment = 0; 66 my_ffi_struct_type.type = FFI_TYPE_STRUCT; 67 my_ffi_struct_type.elements = my_ffi_struct_fields; 68 69 my_ffi_struct_fields[0] = &ffi_type_double; 70 my_ffi_struct_fields[1] = &ffi_type_double; 71 my_ffi_struct_fields[2] = &ffi_type_double; 72 my_ffi_struct_fields[3] = NULL; 73 74 arg_types[0] = &my_ffi_struct_type; 75 arg_types[1] = &my_ffi_struct_type; 76 arg_types[2] = NULL; 77 78 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 2, &my_ffi_struct_type, 79 arg_types) == FFI_OK); 80 81 args[0] = &g; 82 args[1] = &f; 83 args[2] = NULL; 84 ffi_call(&cif, FFI_FN(callee), &res, args); 85 /* { dg-output "1 2 3 1 2 3: 2 4 6" } */ 86 printf("res: %g %g %g\n", res.a, res.b, res.c); 87 /* { dg-output "\nres: 2 4 6" } */ 88 89 CHECK(ffi_prep_closure(pcl, &cif, stub, NULL) == FFI_OK); 90 91 res = ((my_ffi_struct(*)(struct my_ffi_struct, struct my_ffi_struct))(pcl))(g, f); 92 /* { dg-output "\n1 2 3 1 2 3: 2 4 6" } */ 93 printf("res: %g %g %g\n", res.a, res.b, res.c); 94 /* { dg-output "\nres: 2 4 6" } */ 95 96 exit(0);; 97} 98