Edit
kc3-lang/libffi/testsuite/libffi.closures/cls_24byte.c
Hood Chatham
- testsuite/libffi.closures/cls_24byte.c
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/* Area: ffi_call, closure_call Purpose: Check structure passing with different structure size. Depending on the ABI. Check overlapping. Limitations: none. PR: none. Originator: <andreast@gcc.gnu.org> 20030828 */ /* { dg-do run } */ #include "ffitest.h" typedef struct cls_struct_24byte { double a; double b; int c; float d; } cls_struct_24byte; cls_struct_24byte cls_struct_24byte_fn(struct cls_struct_24byte b0, struct cls_struct_24byte b1, struct cls_struct_24byte b2, struct cls_struct_24byte b3) { struct cls_struct_24byte result; result.a = b0.a + b1.a + b2.a + b3.a; result.b = b0.b + b1.b + b2.b + b3.b; result.c = b0.c + b1.c + b2.c + b3.c; result.d = b0.d + b1.d + b2.d + b3.d; printf("%g %g %d %g %g %g %d %g %g %g %d %g %g %g %d %g: %g %g %d %g\n", b0.a, b0.b, b0.c, b0.d, b1.a, b1.b, b1.c, b1.d, b2.a, b2.b, b2.c, b2.d, b3.a, b3.b, b3.c, b3.d, result.a, result.b, result.c, result.d); CHECK_DOUBLE_EQ(b0.a, 9); CHECK_DOUBLE_EQ(b0.b, 2); CHECK(b0.c == 6); CHECK_FLOAT_EQ(b0.d, 5); CHECK_DOUBLE_EQ(b1.a, 1); CHECK_DOUBLE_EQ(b1.b, 2); CHECK(b1.c == 3); CHECK_FLOAT_EQ(b1.d, 7); CHECK_DOUBLE_EQ(b2.a, 4); CHECK_DOUBLE_EQ(b2.b, 5); CHECK(b2.c == 7); CHECK_FLOAT_EQ(b2.d, 9); CHECK_DOUBLE_EQ(b3.a, 8); CHECK_DOUBLE_EQ(b3.b, 6); CHECK(b3.c == 1); CHECK_FLOAT_EQ(b3.d, 4); CHECK_DOUBLE_EQ(result.a, 22); CHECK_DOUBLE_EQ(result.b, 15); CHECK(result.c == 17); CHECK_FLOAT_EQ(result.d, 25); return result; } static void cls_struct_24byte_gn(ffi_cif* cif __UNUSED__, void* resp, void** args, void* userdata __UNUSED__) { struct cls_struct_24byte b0, b1, b2, b3; b0 = *(struct cls_struct_24byte*)(args[0]); b1 = *(struct cls_struct_24byte*)(args[1]); b2 = *(struct cls_struct_24byte*)(args[2]); b3 = *(struct cls_struct_24byte*)(args[3]); *(cls_struct_24byte*)resp = cls_struct_24byte_fn(b0, b1, b2, b3); } int main (void) { ffi_cif cif; void *code; ffi_closure *pcl = ffi_closure_alloc(sizeof(ffi_closure), &code); void* args_dbl[5]; ffi_type* cls_struct_fields[5]; ffi_type cls_struct_type; ffi_type* dbl_arg_types[5]; struct cls_struct_24byte e_dbl = { 9.0, 2.0, 6, 5.0 }; struct cls_struct_24byte f_dbl = { 1.0, 2.0, 3, 7.0 }; struct cls_struct_24byte g_dbl = { 4.0, 5.0, 7, 9.0 }; struct cls_struct_24byte h_dbl = { 8.0, 6.0, 1, 4.0 }; struct cls_struct_24byte res_dbl; cls_struct_type.size = 0; cls_struct_type.alignment = 0; cls_struct_type.type = FFI_TYPE_STRUCT; cls_struct_type.elements = cls_struct_fields; cls_struct_fields[0] = &ffi_type_double; cls_struct_fields[1] = &ffi_type_double; cls_struct_fields[2] = &ffi_type_sint; cls_struct_fields[3] = &ffi_type_float; cls_struct_fields[4] = NULL; dbl_arg_types[0] = &cls_struct_type; dbl_arg_types[1] = &cls_struct_type; dbl_arg_types[2] = &cls_struct_type; dbl_arg_types[3] = &cls_struct_type; dbl_arg_types[4] = NULL; CHECK(ffi_prep_cif(&cif, FFI_DEFAULT_ABI, 4, &cls_struct_type, dbl_arg_types) == FFI_OK); args_dbl[0] = &e_dbl; args_dbl[1] = &f_dbl; args_dbl[2] = &g_dbl; args_dbl[3] = &h_dbl; args_dbl[4] = NULL; ffi_call(&cif, FFI_FN(cls_struct_24byte_fn), &res_dbl, args_dbl); /* { dg-output "9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 4: 22 15 17 25" } */ printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d); /* { dg-output "\nres: 22 15 17 25" } */ CHECK_DOUBLE_EQ(res_dbl.a, 22); CHECK_DOUBLE_EQ(res_dbl.b, 15); CHECK(res_dbl.c == 17); CHECK_FLOAT_EQ(res_dbl.d, 25); CHECK(ffi_prep_closure_loc(pcl, &cif, cls_struct_24byte_gn, NULL, code) == FFI_OK); res_dbl = ((cls_struct_24byte(*)(cls_struct_24byte, cls_struct_24byte, cls_struct_24byte, cls_struct_24byte)) (code))(e_dbl, f_dbl, g_dbl, h_dbl); /* { dg-output "\n9 2 6 5 1 2 3 7 4 5 7 9 8 6 1 4: 22 15 17 25" } */ printf("res: %g %g %d %g\n", res_dbl.a, res_dbl.b, res_dbl.c, res_dbl.d); /* { dg-output "\nres: 22 15 17 25" } */ CHECK_DOUBLE_EQ(res_dbl.a, 22); CHECK_DOUBLE_EQ(res_dbl.b, 15); CHECK(res_dbl.c == 17); CHECK_FLOAT_EQ(res_dbl.d, 25); exit(0); }