1 /* Area: ffi_call, closure_call 2 Purpose: Test doubles passed in variable argument lists. 3 Limitations: none. 4 PR: none. 5 Originator: Blake Chaffin 6/6/2007 */ 6 7 /* { dg-do run } */ 8 /* { dg-output "" { xfail avr32*-*-* } } */ 9 #include "ffitest.h" 10 11 struct small_tag 12 { 13 unsigned char a; 14 unsigned char b; 15 }; 16 17 struct large_tag 18 { 19 unsigned a; 20 unsigned b; 21 unsigned c; 22 unsigned d; 23 unsigned e; 24 }; 25 26 static void 27 test_fn (ffi_cif* cif __UNUSED__, void* resp, 28 void** args, void* userdata __UNUSED__) 29 { 30 int n = *(int*)args[0]; 31 struct small_tag s1 = * (struct small_tag *) args[1]; 32 struct large_tag l1 = * (struct large_tag *) args[2]; 33 struct small_tag s2 = * (struct small_tag *) args[3]; 34 35 printf ("%d %d %d %d %d %d %d %d %d %d\n", n, s1.a, s1.b, 36 l1.a, l1.b, l1.c, l1.d, l1.e, 37 s2.a, s2.b); 38 * (ffi_arg*) resp = 42; 39 } 40 41 int 42 main (void) 43 { 44 ffi_cif cif; 45 void *code; 46 ffi_closure *pcl = ffi_closure_alloc (sizeof (ffi_closure), &code); 47 ffi_type* arg_types[5]; 48 49 ffi_arg res = 0; 50 51 ffi_type s_type; 52 ffi_type *s_type_elements[3]; 53 54 ffi_type l_type; 55 ffi_type *l_type_elements[6]; 56 57 struct small_tag s1; 58 struct small_tag s2; 59 struct large_tag l1; 60 61 int si; 62 63 s_type.size = 0; 64 s_type.alignment = 0; 65 s_type.type = FFI_TYPE_STRUCT; 66 s_type.elements = s_type_elements; 67 68 s_type_elements[0] = &ffi_type_uchar; 69 s_type_elements[1] = &ffi_type_uchar; 70 s_type_elements[2] = NULL; 71 72 l_type.size = 0; 73 l_type.alignment = 0; 74 l_type.type = FFI_TYPE_STRUCT; 75 l_type.elements = l_type_elements; 76 77 l_type_elements[0] = &ffi_type_uint; 78 l_type_elements[1] = &ffi_type_uint; 79 l_type_elements[2] = &ffi_type_uint; 80 l_type_elements[3] = &ffi_type_uint; 81 l_type_elements[4] = &ffi_type_uint; 82 l_type_elements[5] = NULL; 83 84 arg_types[0] = &ffi_type_sint; 85 arg_types[1] = &s_type; 86 arg_types[2] = &l_type; 87 arg_types[3] = &s_type; 88 arg_types[4] = NULL; 89 90 CHECK(ffi_prep_cif_var(&cif, FFI_DEFAULT_ABI, 1, 4, &ffi_type_sint, 91 arg_types) == FFI_OK); 92 93 si = 4; 94 s1.a = 5; 95 s1.b = 6; 96 97 s2.a = 20; 98 s2.b = 21; 99 100 l1.a = 10; 101 l1.b = 11; 102 l1.c = 12; 103 l1.d = 13; 104 l1.e = 14; 105 106 CHECK(ffi_prep_closure_loc(pcl, &cif, test_fn, NULL, code) == FFI_OK); 107 108 res = ((int (*)(int, ...))(code))(si, s1, l1, s2); 109 /* { dg-output "4 5 6 10 11 12 13 14 20 21" } */ 110 printf("res: %d\n", (int) res); 111 /* { dg-output "\nres: 42" } */ 112 113 exit(0); 114 } 115
