diff options
Diffstat (limited to 'sysdeps/csky/abiv2/tls-macros.h')
| -rw-r--r-- | sysdeps/csky/abiv2/tls-macros.h | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/sysdeps/csky/abiv2/tls-macros.h b/sysdeps/csky/abiv2/tls-macros.h new file mode 100644 index 0000000000..59af05942a --- /dev/null +++ b/sysdeps/csky/abiv2/tls-macros.h @@ -0,0 +1,55 @@ +/* Macros for accessing thread-local storage. C-SKY ABIV2 version. + Copyright (C) 2018 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 + <http://www.gnu.org/licenses/>. */ + +# define TLS_LE(x) \ + ({ int *__result; \ + __asm__ ("lrw %0, " #x "@TPOFF\n\t" \ + "add %0, tls, %0" \ + : "=&r" (__result)); \ + __result; }) + +# define TLS_IE(x) \ + ({ int *__result; \ + __asm__ ("grs a1, 1f\n" \ + "1:\tlrw %0, " #x "@GOTTPOFF\n\t" \ + "ldr.w %0, (a1, %0 << 0)\n\t" \ + "add %0, tls, %0" \ + : "=&r" (__result): : "a1"); \ + __result; }) + +# define TLS_LD(x) \ + ({ char *__result; \ + int __offset; \ + extern void *__tls_get_addr (void *); \ + __asm__ ("grs a1, 1f\n" \ + "1:\tlrw %0, " #x "@TLSLDM32;\n\t" \ + "add %0, a1, %0" \ + : "=r" (__result) : : "a1"); \ + __result = (char *)__tls_get_addr (__result); \ + __asm__ ("lrw %0, " #x "@TLSLDO32" \ + : "=r" (__offset)); \ + (int *) (__result + __offset); }) + +# define TLS_GD(x) \ + ({ int *__result; \ + extern void *__tls_get_addr (void *); \ + __asm__ ("grs a1, 1f\n" \ + "1:\tlrw %0, " #x "@TLSGD32\n\t" \ + "add %0, a1, %0" \ + : "=r" (__result) : : "a1"); \ + (int *)__tls_get_addr (__result); }) |