From c70a4b1db0cf5e813ae24b0fa96a352399eb6edf Mon Sep 17 00:00:00 2001 From: Mike Frysinger Date: Sat, 15 Feb 2014 22:07:25 -0500 Subject: ia64: relocate out of ports/ subdir --- sysdeps/ia64/dl-fptr.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 sysdeps/ia64/dl-fptr.h (limited to 'sysdeps/ia64/dl-fptr.h') diff --git a/sysdeps/ia64/dl-fptr.h b/sysdeps/ia64/dl-fptr.h new file mode 100644 index 0000000000..fea5a9d667 --- /dev/null +++ b/sysdeps/ia64/dl-fptr.h @@ -0,0 +1,45 @@ +/* Function descriptors. IA64 version. + Copyright (C) 2003-2014 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, see + . */ + +#ifndef dl_ia64_fptr_h +#define dl_ia64_fptr_h 1 + +#include +#include + +#define COMPARE_AND_SWAP(ptr, old, new) \ + __sync_bool_compare_and_swap (ptr, old, new) + +/* There are currently 123 dynamic symbols in ld.so. + ELF_MACHINE_BOOT_FPTR_TABLE_LEN needs to be at least that big. */ +#define ELF_MACHINE_BOOT_FPTR_TABLE_LEN 200 + +#define ELF_MACHINE_LOAD_ADDRESS(var, symbol) \ + asm ("movl %0 = @gprel (" #symbol ");; add %0 = %0, gp" : "=&r" (var)); + +/* We don't have a gcc helper to extract the plabel info. */ +#define ELF_PTR_TO_FDESC(ptr) \ + ({ union { \ + void *_ptr; \ + struct fdesc *_fdesc; \ + } _u; \ + _u._ptr = ptr; \ + _u._fdesc; \ + }) + +#endif /* !dl_ia64_fptr_h */ -- cgit 1.4.1