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46 lines
1.5 KiB
C
46 lines
1.5 KiB
C
/* Function descriptors. IA64 version.
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Copyright (C) 2003-2017 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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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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#ifndef dl_ia64_fptr_h
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#define dl_ia64_fptr_h 1
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#include <ia64intrin.h>
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#include <sysdeps/generic/dl-fptr.h>
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#define COMPARE_AND_SWAP(ptr, old, new) \
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__sync_bool_compare_and_swap (ptr, old, new)
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/* There are currently 123 dynamic symbols in ld.so.
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ELF_MACHINE_BOOT_FPTR_TABLE_LEN needs to be at least that big. */
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#define ELF_MACHINE_BOOT_FPTR_TABLE_LEN 200
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#define ELF_MACHINE_LOAD_ADDRESS(var, symbol) \
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asm ("movl %0 = @gprel (" #symbol ");; add %0 = %0, gp" : "=&r" (var));
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/* We don't have a gcc helper to extract the plabel info. */
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#define ELF_PTR_TO_FDESC(ptr) \
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({ union { \
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void *_ptr; \
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struct fdesc *_fdesc; \
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} _u; \
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_u._ptr = ptr; \
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_u._fdesc; \
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})
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#endif /* !dl_ia64_fptr_h */
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