| // Copyright 2017 The Fuchsia Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef ZIRCON_TLS_H_ |
| #define ZIRCON_TLS_H_ |
| |
| // These constants are part of the C/C++ ABI known to compilers for |
| // *-fuchsia targets. These are offsets from the thread pointer. |
| |
| // This file must be includable in assembly files. |
| |
| #if defined(__x86_64__) || defined(__i386__) |
| |
| #define ZX_TLS_STACK_GUARD_OFFSET 0x10 |
| #define ZX_TLS_UNSAFE_SP_OFFSET 0x18 |
| |
| #elif defined(__aarch64__) || defined(__riscv) |
| |
| #define ZX_TLS_STACK_GUARD_OFFSET (-0x10) |
| #define ZX_TLS_UNSAFE_SP_OFFSET (-0x8) |
| |
| #else |
| |
| #error what architecture? |
| |
| #endif |
| |
| #endif // ZIRCON_TLS_H_ |
