| //===-- Loader test to check if tls size is read correctly ----------------===// |
| // |
| // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| // See https://llvm.org/LICENSE.txt for license information. |
| // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "include/errno.h" |
| #include "include/sys/mman.h" |
| |
| #undef NDEBUG |
| #include "src/assert/assert.h" |
| |
| #include "src/errno/llvmlibc_errno.h" |
| #include "src/sys/mman/mmap.h" |
| |
| constexpr int threadLocalDataSize = 101; |
| _Thread_local int a[threadLocalDataSize] = {123}; |
| |
| int main(int argc, char **argv, char **envp) { |
| assert(a[0] == 123); |
| |
| for (int i = 1; i < threadLocalDataSize; ++i) |
| a[i] = i; |
| for (int i = 1; i < threadLocalDataSize; ++i) |
| assert(a[i] == i); |
| |
| // Call mmap with bad params so that an error value is |
| // set in errno. Since errno is implemented using a thread |
| // local var, this helps us test setting of errno and |
| // reading it back. |
| assert(llvmlibc_errno == 0); |
| void *addr = __llvm_libc::mmap(nullptr, 0, PROT_READ, |
| MAP_ANONYMOUS | MAP_PRIVATE, -1, 0); |
| assert(addr == MAP_FAILED); |
| assert(llvmlibc_errno == EINVAL); |
| |
| return 0; |
| } |