diff options
Diffstat (limited to 'libpthread/nptl/sysdeps/i386/dl-tls.h')
| -rw-r--r-- | libpthread/nptl/sysdeps/i386/dl-tls.h | 60 | 
1 files changed, 60 insertions, 0 deletions
| diff --git a/libpthread/nptl/sysdeps/i386/dl-tls.h b/libpthread/nptl/sysdeps/i386/dl-tls.h new file mode 100644 index 000000000..a1707197c --- /dev/null +++ b/libpthread/nptl/sysdeps/i386/dl-tls.h @@ -0,0 +1,60 @@ +/* Thread-local storage handling in the ELF dynamic linker.  i386 version. +   Copyright (C) 2002, 2004 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, write to the Free +   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA +   02111-1307 USA.  */ + + +/* Type used for the representation of TLS information in the GOT.  */ +typedef struct +{ +  unsigned long int ti_module; +  unsigned long int ti_offset; +} tls_index; + + +#ifdef SHARED +/* This is the prototype for the GNU version.  */ +extern void *___tls_get_addr (tls_index *ti) +     __attribute__ ((__regparm__ (1))); +extern void *___tls_get_addr_internal (tls_index *ti) +     __attribute__ ((__regparm__ (1))) attribute_hidden; + +# ifdef IS_IN_rtld +/* The special thing about the x86 TLS ABI is that we have two +   variants of the __tls_get_addr function with different calling +   conventions.  The GNU version, which we are mostly concerned here, +   takes the parameter in a register.  The name is changed by adding +   an additional underscore at the beginning.  The Sun version uses +   the normal calling convention.  */ +void * +__tls_get_addr (tls_index *ti) +{ +  return ___tls_get_addr_internal (ti); +} + + +/* Prepare using the definition of __tls_get_addr in the generic +   version of this file.  */ +# define __tls_get_addr __attribute__ ((__regparm__ (1))) ___tls_get_addr +strong_alias (___tls_get_addr, ___tls_get_addr_internal) +#else + +/* Users should get the better interface.  */ +# define __tls_get_addr ___tls_get_addr + +# endif +#endif | 
