/* * Copyright 2019-2022, Haiku, Inc. All Rights Reserved. * Distributed under the terms of the MIT License. */ #include #include #include struct tls_index { unsigned long ti_module; unsigned long ti_offset; }; static int32 gNextSlot = TLS_FIRST_FREE_SLOT; void* __tls_get_addr(struct tls_index* ti); static inline void** get_tls() { void **tls; asm volatile("MRS %0, tpidrro_el0" : "=r" (tls)); return tls; } int32 tls_allocate(void) { int32 next = atomic_add(&gNextSlot, 1); if (next >= TLS_MAX_KEYS) return B_NO_MEMORY; return next; } void * tls_get(int32 index) { return get_tls()[index]; } void ** tls_address(int32 index) { return get_tls() + index; } void tls_set(int32 index, void *value) { get_tls()[index] = value; } void* __tls_get_addr(struct tls_index* ti) { return __gRuntimeLoader->get_tls_address(ti->ti_module, ti->ti_offset); }