| //===-- Classes to capture properites of linux applications -----*- C++ -*-===// |
| // |
| // 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 |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_LIBC_CONFIG_LINUX_APP_H |
| #define LLVM_LIBC_CONFIG_LINUX_APP_H |
| |
| #include <stdint.h> |
| |
| namespace __llvm_libc { |
| |
| // Data structure to capture properties of the linux/ELF TLS. |
| struct TLS { |
| // The load address of the TLS. |
| uintptr_t address; |
| |
| // The bytes size of the TLS. |
| uintptr_t size; |
| |
| // The alignment of the TLS layout. It assumed that the alignment |
| // value is a power of 2. |
| uintptr_t align; |
| }; |
| |
| // Data structure which captures properties of a linux application. |
| struct AppProperties { |
| // Page size used for the application. |
| uintptr_t pageSize; |
| |
| // The properties of an application's TLS. |
| TLS tls; |
| }; |
| |
| // Creates and initializes the TLS area for the current thread. Should not |
| // be called before app.tls has been initialized. |
| void initTLS(); |
| |
| } // namespace __llvm_libc |
| |
| #endif // LLVM_LIBC_CONFIG_LINUX_APP_H |