| /* |
| * Copyright 2017, Data61 |
| * Commonwealth Scientific and Industrial Research Organisation (CSIRO) |
| * ABN 41 687 119 230. |
| * |
| * This software may be distributed and modified according to the terms of |
| * the BSD 2-Clause license. Note that NO WARRANTY is provided. |
| * See "LICENSE_BSD2.txt" for details. |
| * |
| * @TAG(DATA61_BSD) |
| */ |
| |
| #include <stdint.h> |
| #include <utils/attribute.h> |
| |
| /* What we want to achieve here is a set of symbols (_tdata_start, _tdata_end and _tbss_end) |
| * that, if not already defined, get defined to be all the same value. We do not care what that |
| * value is, just that it's the same, such that any calculation on the size of the sections |
| * these values represent comes out to 0. To do this we define a zero sized symbol, and then |
| * declare each of our three symbols as a weak alias of that one */ |
| |
| static char dummy_tls[0]; |
| |
| extern uintptr_t _tdata_start WEAK_ALIAS(dummy_tls); |
| extern uintptr_t _tdata_end WEAK_ALIAS(dummy_tls); |
| extern uintptr_t _tbss_end WEAK_ALIAS(dummy_tls); |
