github.com/prattmic/llgo-embedded@v0.0.0-20150820070356-41cfecea0e1e/third_party/gofrontend/libffi/testsuite/libffi.call/stret_large2.c (about) 1 /* Area: ffi_call, closure_call 2 Purpose: Check structure returning with different structure size. 3 Depending on the ABI. Check bigger struct which overlaps 4 the gp and fp register count on Darwin/AIX/ppc64. 5 Limitations: none. 6 PR: none. 7 Originator: Blake Chaffin 6/21/2007 */ 8 9 /* { dg-do run { xfail strongarm*-*-* xscale*-*-* } } */ 10 #include "ffitest.h" 11 12 /* 13 FPRs: 104 bytes */ 13 /* 14 FPRs: 112 bytes */ 14 15 typedef struct struct_116byte { 16 double a; 17 double b; 18 double c; 19 double d; 20 double e; 21 double f; 22 double g; 23 double h; 24 double i; 25 double j; 26 double k; 27 double l; 28 double m; 29 double n; 30 int o; 31 } struct_116byte; 32 33 struct_116byte cls_struct_116byte_fn( 34 struct_116byte b0, 35 struct_116byte b1, 36 struct_116byte b2, 37 struct_116byte b3) 38 { 39 struct_116byte result; 40 41 result.a = b0.a + b1.a + b2.a + b3.a; 42 result.b = b0.b + b1.b + b2.b + b3.b; 43 result.c = b0.c + b1.c + b2.c + b3.c; 44 result.d = b0.d + b1.d + b2.d + b3.d; 45 result.e = b0.e + b1.e + b2.e + b3.e; 46 result.f = b0.f + b1.f + b2.f + b3.f; 47 result.g = b0.g + b1.g + b2.g + b3.g; 48 result.h = b0.h + b1.h + b2.h + b3.h; 49 result.i = b0.i + b1.i + b2.i + b3.i; 50 result.j = b0.j + b1.j + b2.j + b3.j; 51 result.k = b0.k + b1.k + b2.k + b3.k; 52 result.l = b0.l + b1.l + b2.l + b3.l; 53 result.m = b0.m + b1.m + b2.m + b3.m; 54 result.n = b0.n + b1.n + b2.n + b3.n; 55 result.o = b0.o + b1.o + b2.o + b3.o; 56 57 printf("%g %g %g %g %g %g %g %g %g %g %g %g %g %g %d\n", result.a, result.b, result.c, 58 result.d, result.e, result.f, result.g, result.h, result.i, 59 result.j, result.k, result.l, result.m, result.n, result.o); 60 61 return result; 62 } 63 64 static void 65 cls_struct_116byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, void* userdata __UNUSED__) 66 { 67 struct_116byte b0, b1, b2, b3; 68 69 b0 = *(struct_116byte*)(args[0]); 70 b1 = *(struct_116byte*)(args[1]); 71 b2 = *(struct_116byte*)(args[2]); 72 b3 = *(struct_116byte*)(args[3]); 73 74 *(struct_116byte*)resp = cls_struct_116byte_fn(b0, b1, b2, b3); 75 } 76 77 int main (void) 78 { 79 ffi_cif cif; 80 void *code; 81 ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); 82 void* args_dbl[5]; 83 ffi_type* cls_struct_fields[16]; 84 ffi_type cls_struct_type; 85 ffi_type* dbl_arg_types[5]; 86 87 struct_116byte e_dbl = { 9.0, 2.0, 6.0, 5.0, 3.0, 4.0, 8.0, 1.0, 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 7 }; 88 struct_116byte f_dbl = { 1.0, 2.0, 3.0, 7.0, 2.0, 5.0, 6.0, 7.0, 4.0, 5.0, 7.0, 9.0, 1.0, 6.0, 4 }; 89 struct_116byte g_dbl = { 4.0, 5.0, 7.0, 9.0, 1.0, 1.0, 2.0, 9.0, 8.0, 6.0, 1.0, 4.0, 0.0, 7.0, 3 }; 90 struct_116byte h_dbl = { 8.0, 6.0, 1.0, 4.0, 0.0, 3.0, 3.0, 1.0, 9.0, 2.0, 6.0, 5.0, 3.0, 8.0, 2 }; 91 struct_116byte res_dbl; 92 93 cls_struct_type.size = 0; 94 cls_struct_type.alignment = 0; 95 cls_struct_type.type = FFI_TYPE_STRUCT; 96 cls_struct_type.elements = cls_struct_fields; 97 98 cls_struct_fields[0] = &ffi_type_double; 99 cls_struct_fields[1] = &ffi_type_double; 100 cls_struct_fields[2] = &ffi_type_double; 101 cls_struct_fields[3] = &ffi_type_double; 102 cls_struct_fields[4] = &ffi_type_double; 103 cls_struct_fields[5] = &ffi_type_double; 104 cls_struct_fields[6] = &ffi_type_double; 105 cls_struct_fields[7] = &ffi_type_double; 106 cls_struct_fields[8] = &ffi_type_double; 107 cls_struct_fields[9] = &ffi_type_double; 108 cls_struct_fields[10] = &ffi_type_double; 109 cls_struct_fields[11] = &ffi_type_double; 110 cls_struct_fields[12] = &ffi_type_double; 111 cls_struct_fields[13] = &ffi_type_double; 112 cls_struct_fields[14] = &ffi_type_sint32; 113 cls_struct_fields[15] = NULL; 114 115 dbl_arg_types[0] = &cls_struct_type; 116 dbl_arg_types[1] = &cls_struct_type; 117 dbl_arg_types[2] = &cls_struct_type; 118 dbl_arg_types[3] = &cls_struct_type; 119 dbl_arg_types[4] = NULL; 120 121 CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type, 122 dbl_arg_types) == FFI_OK); 123 124 args_dbl[0] = &e_dbl; 125 args_dbl[1] = &f_dbl; 126 args_dbl[2] = &g_dbl; 127 args_dbl[3] = &h_dbl; 128 args_dbl[4] = NULL; 129 130 ffi_call(&cif, FFI_FN(cls_struct_116byte_fn), &res_dbl, args_dbl); 131 /* { dg-output "22 15 17 25 6 13 19 18 22 15 17 25 6 26 16" } */ 132 printf("res: %g %g %g %g %g %g %g %g %g %g %g %g %g %g %d\n", res_dbl.a, res_dbl.b, 133 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i, 134 res_dbl.j, res_dbl.k, res_dbl.l, res_dbl.m, res_dbl.n, res_dbl.o); 135 /* { dg-output "\nres: 22 15 17 25 6 13 19 18 22 15 17 25 6 26 16" } */ 136 137 CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_116byte_gn, NULL, code) == FFI_OK); 138 139 res_dbl = ((struct_116byte(*)(struct_116byte, struct_116byte, 140 struct_116byte, struct_116byte))(code))(e_dbl, f_dbl, g_dbl, h_dbl); 141 /* { dg-output "\n22 15 17 25 6 13 19 18 22 15 17 25 6 26 16" } */ 142 printf("res: %g %g %g %g %g %g %g %g %g %g %g %g %g %g %d\n", res_dbl.a, res_dbl.b, 143 res_dbl.c, res_dbl.d, res_dbl.e, res_dbl.f, res_dbl.g, res_dbl.h, res_dbl.i, 144 res_dbl.j, res_dbl.k, res_dbl.l, res_dbl.m, res_dbl.n, res_dbl.o); 145 /* { dg-output "\nres: 22 15 17 25 6 13 19 18 22 15 17 25 6 26 16" } */ 146 147 exit(0); 148 }