glibc/sysdeps/m68k/tls-macros.h
2010-03-12 19:52:07 +01:00

71 lines
2.4 KiB
C

/* 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, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#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); })