diff options
Diffstat (limited to 'sysdeps/arc/tls-macros.h')
| -rw-r--r-- | sysdeps/arc/tls-macros.h | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/sysdeps/arc/tls-macros.h b/sysdeps/arc/tls-macros.h new file mode 100644 index 0000000000..7a076182b9 --- /dev/null +++ b/sysdeps/arc/tls-macros.h @@ -0,0 +1,47 @@ +/* Macros to support TLS testing in times of missing compiler support. ARC version. + Copyright (C) 2020 Free Software Foundation, Inc. + + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library. If not, see + <https://www.gnu.org/licenses/>. */ + + +/* For now. */ +#define TLS_LD(x) TLS_IE(x) + +#define TLS_GD(x) \ + ({ void *__result; \ + __asm__ ("add r0, pcl, @" #x "@tlsgd \n" \ + ".tls_gd_ld " #x "`bl __tls_get_addr@plt \n" \ + "mov %0, r0 \n" \ + : "=&r" (__result) \ + ::"r0","r1","r2","r3","r4","r5","r6","r7", \ + "r8","r9","r10","r11","r12"); \ + __result; }) + +#define TLS_LE(x) \ + ({ void *__result; \ + void *tp = __builtin_thread_pointer (); \ + __asm__ ("add %0, %1, @" #x "@tpoff \n" \ + : "=r" (__result) : "r"(tp)); \ + __result; }) + +#define TLS_IE(x) \ + ({ void *__result; \ + void *tp = __builtin_thread_pointer (); \ + __asm__ ("ld %0, [pcl, @" #x "@tlsie] \n" \ + "add %0, %1, %0 \n" \ + : "=&r" (__result) : "r" (tp)); \ + __result; }) |