19a077806SSiva Chandra Reddy //===-- Loader test to check if tls size is read correctly ----------------===// 29a077806SSiva Chandra Reddy // 39a077806SSiva Chandra Reddy // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 49a077806SSiva Chandra Reddy // See https://llvm.org/LICENSE.txt for license information. 59a077806SSiva Chandra Reddy // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 69a077806SSiva Chandra Reddy // 79a077806SSiva Chandra Reddy //===----------------------------------------------------------------------===// 89a077806SSiva Chandra Reddy 90b70f95cSSiva Chandra Reddy #include "src/errno/libc_errno.h" 109a077806SSiva Chandra Reddy #include "src/sys/mman/mmap.h" 11af1315c2SSiva Chandra Reddy #include "test/IntegrationTest/test.h" 129a077806SSiva Chandra Reddy 130ab14951SPetr Hosek #include <sys/mman.h> 140ab14951SPetr Hosek 159a077806SSiva Chandra Reddy constexpr int threadLocalDataSize = 101; 169a077806SSiva Chandra Reddy _Thread_local int a[threadLocalDataSize] = {123}; 179a077806SSiva Chandra Reddy 189a077806SSiva Chandra Reddy TEST_MAIN(int argc, char **argv, char **envp) { 199a077806SSiva Chandra Reddy ASSERT_TRUE(a[0] == 123); 209a077806SSiva Chandra Reddy 219a077806SSiva Chandra Reddy for (int i = 1; i < threadLocalDataSize; ++i) 229a077806SSiva Chandra Reddy a[i] = i; 239a077806SSiva Chandra Reddy for (int i = 1; i < threadLocalDataSize; ++i) 249a077806SSiva Chandra Reddy ASSERT_TRUE(a[i] == i); 259a077806SSiva Chandra Reddy 269a077806SSiva Chandra Reddy // Call mmap with bad params so that an error value is 279a077806SSiva Chandra Reddy // set in errno. Since errno is implemented using a thread 289a077806SSiva Chandra Reddy // local var, this helps us test setting of errno and 299a077806SSiva Chandra Reddy // reading it back. 3028699e38Slntue ASSERT_ERRNO_SUCCESS(); 31b6bc9d72SGuillaume Chatelet void *addr = LIBC_NAMESPACE::mmap(nullptr, 0, PROT_READ, 329a077806SSiva Chandra Reddy MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); 339a077806SSiva Chandra Reddy ASSERT_TRUE(addr == MAP_FAILED); 34*94166c6eSlntue ASSERT_ERRNO_EQ(EINVAL); 359a077806SSiva Chandra Reddy 369a077806SSiva Chandra Reddy return 0; 379a077806SSiva Chandra Reddy } 38