Blame sysdeps/m68k/tls-macros.h

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/* Macros for accessing thread-local storage.  m68k version.
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   Copyright (C) 2010-2018 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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   License along with the GNU C Library.  If not, see
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   <http://www.gnu.org/licenses/>.  */
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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); })