diff options
Diffstat (limited to 'ports/sysdeps/m68k/tls-macros.h')
| -rw-r--r-- | ports/sysdeps/m68k/tls-macros.h | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/ports/sysdeps/m68k/tls-macros.h b/ports/sysdeps/m68k/tls-macros.h new file mode 100644 index 0000000000..3ad4af725e --- /dev/null +++ b/ports/sysdeps/m68k/tls-macros.h @@ -0,0 +1,69 @@ +/* Macros for accessing thread-local storage. m68k version. + Copyright (C) 2010 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010. + + 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_GD(x) \ + ({ \ + void *__result; \ + extern void *__tls_get_addr (void *); \ + \ + asm ("movel #_GLOBAL_OFFSET_TABLE_@GOTPC, %0\n\t" \ + "lea (-6, %%pc, %0), %0\n\t" \ + "lea " #x "@TLSGD(%0), %0" \ + : "=&a" (__result)); \ + (int *) __tls_get_addr (__result); }) + +#define TLS_LD(x) \ + ({ \ + char *__tp; \ + int __offset; \ + extern void *__tls_get_addr (void *); \ + \ + asm ("movel #_GLOBAL_OFFSET_TABLE_@GOTPC, %0\n\t" \ + "lea (-6, %%pc, %0), %0\n\t" \ + "lea " #x "@TLSLDM(%0), %0" \ + : "=&a" (__tp)); \ + __tp = (char *) __tls_get_addr (__tp); \ + asm ("movel #" #x "@TLSLDO, %0" \ + : "=a" (__offset)); \ + (int *) (__tp + __offset); }) + +#define TLS_IE(x) \ + ({ \ + char *__tp; \ + int __offset; \ + extern void * __m68k_read_tp (void); \ + \ + __tp = (char *) __m68k_read_tp (); \ + asm ("movel #_GLOBAL_OFFSET_TABLE_@GOTPC, %0\n\t" \ + "lea (-6, %%pc, %0), %0\n\t" \ + "movel " #x "@TLSIE(%0), %0" \ + : "=&a" (__offset)); \ + (int *) (__tp + __offset); }) + +#define TLS_LE(x) \ + ({ \ + char *__tp; \ + int __offset; \ + extern void * __m68k_read_tp (void); \ + \ + __tp = (char *) __m68k_read_tp (); \ + asm ("movel #" #x "@TLSLE, %0" \ + : "=a" (__offset)); \ + (int *) (__tp + __offset); }) + |