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| author | Zack Weinberg <zackw@panix.com> | 2018-03-18 17:01:06 -0400 |
|---|---|---|
| committer | Zack Weinberg <zackw@panix.com> | 2018-03-26 09:05:19 -0400 |
| commit | f66704a937db50bbd78acc5c29f569b4c8e35d19 (patch) | |
| tree | 92d261f99ff3346bffb3a61f6e788fe0daf6093e /include/libm-symbols.h | |
| parent | 9ea49e16c79bd2acd0d0648ca0163f26dd1c3dae (diff) | |
| download | glibc-zack/wip-check-localplt-2.tar.gz glibc-zack/wip-check-localplt-2.tar.xz glibc-zack/wip-check-localplt-2.zip | |
WIP finer-grained, more aggressive local PLT call check zack/wip-check-localplt-2
Diffstat (limited to 'include/libm-symbols.h')
| -rw-r--r-- | include/libm-symbols.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/include/libm-symbols.h b/include/libm-symbols.h new file mode 100644 index 0000000000..8fb6e6b083 --- /dev/null +++ b/include/libm-symbols.h @@ -0,0 +1,84 @@ +/* Additional support macros for symbol management, used for libm. + Copyright (C) 2018 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 + <http://www.gnu.org/licenses/>. */ + +#ifndef _LIBM_SYMBOLS_H +#define _LIBM_SYMBOLS_H 1 + +#if IS_IN (libc) || IS_IN (libm) + +# if defined __NO_LONG_DOUBLE_MATH && !__HAVE_DISTINCT_FLOAT128 + +# define libm_hidden_mathcall(sym) \ + libm_hidden_proto (__##sym) \ + libm_hidden_proto (__##sym##f) + +# define libc_libm_hidden_mathcall(sym) \ + hidden_proto (__##sym) \ + hidden_proto (__##sym##f) + +# elif !defined __NO_LONG_DOUBLE_MATH && !__HAVE_DISTINCT_FLOAT128 + +# define libm_hidden_mathcall(sym) \ + libm_hidden_proto (__##sym) \ + libm_hidden_proto (__##sym##f) \ + libm_hidden_proto (__##sym##l) + +# define libc_libm_hidden_mathcall(sym) \ + hidden_proto (__##sym) \ + hidden_proto (__##sym##f) \ + hidden_proto (__##sym##l) + +# elif defined __NO_LONG_DOUBLE_MATH && __HAVE_DISTINCT_FLOAT128 + +# define libm_hidden_mathcall(sym) \ + libm_hidden_proto (__##sym) \ + libm_hidden_proto (__##sym##f) \ + libm_hidden_proto (__##sym##f128) + +# define libm_hidden_mathcall(sym) \ + hidden_proto (__##sym) \ + hidden_proto (__##sym##f) \ + hidden_proto (__##sym##f128) + +# else /* !defined __NO_LONG_DOUBLE_MATH && __HAVE_DISTINCT_FLOAT128 */ + +# define libm_hidden_mathcall(sym) \ + libm_hidden_proto (__##sym) \ + libm_hidden_proto (__##sym##f) \ + libm_hidden_proto (__##sym##l) \ + libm_hidden_proto (__##sym##f128) + +# define libc_libm_hidden_mathcall(sym) \ + hidden_proto (__##sym) \ + hidden_proto (__##sym##f) \ + hidden_proto (__##sym##l) \ + hidden_proto (__##sym##f128) + +# endif +#else +# define libm_hidden_mathcall(sym) +# define libc_libm_hidden_mathcall(sym) +#endif + +#if IS_IN (libm) +# define libm_attr_hidden attribute_hidden +#else +# define libm_attr_hidden /* nothing */ +#endif + +#endif /* libm-symbols.h */ |