1 // Copyright 2013 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
11 // Helper functions used only in tests
16 // These functions are used in the unit tests for C ABI calls.
19 rust_dbg_extern_identity_u32(uint32_t u) {
24 rust_dbg_extern_identity_u64(uint64_t u) {
29 rust_dbg_extern_identity_double(double u) {
34 rust_dbg_extern_identity_u8(char u) {
38 typedef void *(*dbg_callback)(void*);
41 rust_dbg_call(dbg_callback cb, void *data) {
45 void rust_dbg_do_nothing() { }
53 rust_dbg_extern_return_TwoU8s() {
61 rust_dbg_extern_identity_TwoU8s(struct TwoU8s u) {
71 rust_dbg_extern_return_TwoU16s() {
79 rust_dbg_extern_identity_TwoU16s(struct TwoU16s u) {
89 rust_dbg_extern_return_TwoU32s() {
97 rust_dbg_extern_identity_TwoU32s(struct TwoU32s u) {
107 rust_dbg_extern_return_TwoU64s() {
115 rust_dbg_extern_identity_TwoU64s(struct TwoU64s u) {
125 rust_dbg_extern_identity_TwoDoubles(struct TwoDoubles u) {
138 // MSVC doesn't allow empty structs or unions
144 rust_dbg_extern_empty_struct(struct ManyInts v1, struct Empty e, struct ManyInts v2) {
145 assert(v1.arg1 == v2.arg1 + 1);
146 assert(v1.arg2 == v2.arg2 + 1);
147 assert(v1.arg3 == v2.arg3 + 1);
148 assert(v1.arg4 == v2.arg4 + 1);
149 assert(v1.arg5 == v2.arg5 + 1);
150 assert(v1.arg6.one == v2.arg6.one + 1);
151 assert(v1.arg6.two == v2.arg6.two + 1);
156 rust_get_test_int() {
160 /* Debug helpers strictly to verify ABI conformance.
162 * FIXME (#2665): move these into a testcase when the testsuite
163 * understands how to have explicit C files included.
180 rust_dbg_abi_1(struct quad q) {
181 struct quad qq = { q.c + 1,
189 rust_dbg_abi_2(struct floats f) {
190 struct floats ff = { f.c + 1.0,
197 rust_dbg_static_mut = 3;
200 rust_dbg_static_mut_check_four() {
201 assert(rust_dbg_static_mut == 4);
210 uint64_t get_x(struct S s) {
214 uint64_t get_y(struct S s) {
218 uint64_t get_z(struct S s) {
222 uint64_t get_c_many_params(void *a, void *b, void *c, void *d, struct quad f) {