2010-03-13 02:50:55 +08:00
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/* Macros for accessing thread-local storage. m68k version.
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Copyright (C) 2010 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Maxim Kuvyrkov <maxim@codesourcery.com>, 2010.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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2012-03-10 07:56:38 +08:00
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License along with the GNU C Library. If not, see
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<http://www.gnu.org/licenses/>. */
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2010-03-13 02:50:55 +08:00
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#define TLS_GD(x) \
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({ \
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void *__result; \
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extern void *__tls_get_addr (void *); \
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\
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asm ("movel #_GLOBAL_OFFSET_TABLE_@GOTPC, %0\n\t" \
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"lea (-6, %%pc, %0), %0\n\t" \
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"lea " #x "@TLSGD(%0), %0" \
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: "=&a" (__result)); \
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(int *) __tls_get_addr (__result); })
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#define TLS_LD(x) \
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({ \
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char *__tp; \
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int __offset; \
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extern void *__tls_get_addr (void *); \
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\
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asm ("movel #_GLOBAL_OFFSET_TABLE_@GOTPC, %0\n\t" \
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"lea (-6, %%pc, %0), %0\n\t" \
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"lea " #x "@TLSLDM(%0), %0" \
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: "=&a" (__tp)); \
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__tp = (char *) __tls_get_addr (__tp); \
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asm ("movel #" #x "@TLSLDO, %0" \
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: "=a" (__offset)); \
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(int *) (__tp + __offset); })
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#define TLS_IE(x) \
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({ \
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char *__tp; \
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int __offset; \
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extern void * __m68k_read_tp (void); \
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\
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__tp = (char *) __m68k_read_tp (); \
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asm ("movel #_GLOBAL_OFFSET_TABLE_@GOTPC, %0\n\t" \
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"lea (-6, %%pc, %0), %0\n\t" \
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"movel " #x "@TLSIE(%0), %0" \
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: "=&a" (__offset)); \
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(int *) (__tp + __offset); })
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#define TLS_LE(x) \
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({ \
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char *__tp; \
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int __offset; \
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extern void * __m68k_read_tp (void); \
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\
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__tp = (char *) __m68k_read_tp (); \
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asm ("movel #" #x "@TLSLE, %0" \
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: "=a" (__offset)); \
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(int *) (__tp + __offset); })
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