diff options
Diffstat (limited to 'ports/sysdeps/mips/bits/dlfcn.h')
| -rw-r--r-- | ports/sysdeps/mips/bits/dlfcn.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/ports/sysdeps/mips/bits/dlfcn.h b/ports/sysdeps/mips/bits/dlfcn.h new file mode 100644 index 0000000000..a1956b2a12 --- /dev/null +++ b/ports/sysdeps/mips/bits/dlfcn.h @@ -0,0 +1,65 @@ +/* System dependent definitions for run-time dynamic loading. + Copyright (C) 1996, 1997, 1999, 2000, 2001, 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, see + <http://www.gnu.org/licenses/>. */ + +#ifndef _DLFCN_H +# error "Never use <bits/dlfcn.h> directly; include <dlfcn.h> instead." +#endif + +/* The MODE argument to `dlopen' contains one of the following: */ +#define RTLD_LAZY 0x0001 /* Lazy function call binding. */ +#define RTLD_NOW 0x0002 /* Immediate function call binding. */ +#define RTLD_BINDING_MASK 0x3 /* Mask of binding time value. */ +#define RTLD_NOLOAD 0x00008 /* Do not load the object. */ +#define RTLD_DEEPBIND 0x00010 /* Use deep binding. */ + +/* If the following bit is set in the MODE argument to `dlopen', + the symbols of the loaded object and its dependencies are made + visible as if the object were linked directly into the program. */ +#define RTLD_GLOBAL 0x0004 + +/* Unix98 demands the following flag which is the inverse to RTLD_GLOBAL. + The implementation does this by default and so we can define the + value to zero. */ +#define RTLD_LOCAL 0 + +/* Do not delete object when closed. */ +#define RTLD_NODELETE 0x01000 + +#ifdef __USE_GNU +/* To support profiling of shared objects it is a good idea to call + the function found using `dlsym' using the following macro since + these calls do not use the PLT. But this would mean the dynamic + loader has no chance to find out when the function is called. The + macro applies the necessary magic so that profiling is possible. + Rewrite + foo = (*fctp) (arg1, arg2); + into + foo = DL_CALL_FCT (fctp, (arg1, arg2)); +*/ +# define DL_CALL_FCT(fctp, args) \ + (_dl_mcount_wrapper_check ((void *) (fctp)), (*(fctp)) args) + +__BEGIN_DECLS + +/* This function calls the profiling functions. */ +extern void _dl_mcount_wrapper_check (void *__selfpc) __THROW; + +__END_DECLS + +#endif |