[thirdparty/binutils-gdb.git] / gdb / gdb-dlfcn.h

/* Platform independent shared object routines for GDB.

   Copyright (C) 2011-2017 Free Software Foundation, Inc.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 3 of the License, or
   (at your option) any later version.

   This program 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 General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#ifndef GDB_DLFCN_H
#define GDB_DLFCN_H

/* Load the dynamic library file named FILENAME, and return a handle
   for that dynamic library.  Return NULL if the loading fails for any
   reason.  */

void *gdb_dlopen (const char *filename);

/* Return the address of the symbol named SYMBOL inside the shared
   library whose handle is HANDLE.  Return NULL when the symbol could
   not be found.  */

void *gdb_dlsym (void *handle, const char *symbol);

/* Install a cleanup routine which closes the handle HANDLE.  */

struct cleanup *make_cleanup_dlclose (void *handle);

/* Cleanup the shared object pointed to by HANDLE. Return 0 on success
   and nonzero on failure.  */

int gdb_dlclose (void *handle);

/* Return non-zero if the dynamic library functions are available on
   this platform.  */

int is_dl_available(void);

#endif /* GDB_DLFCN_H */
Commit	Line	Data
a2d08b9e SD	1	/* Platform independent shared object routines for GDB.
a2d08b9e SD	2
61baf725	3	Copyright (C) 2011-2017 Free Software Foundation, Inc.
a2d08b9e SD	4
	5	This file is part of GDB.
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 3 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program. If not, see <http://www.gnu.org/licenses/>. */
	19
	20	#ifndef GDB_DLFCN_H
	21	#define GDB_DLFCN_H
	22
a2d08b9e SD	23	/* Load the dynamic library file named FILENAME, and return a handle
	24	for that dynamic library. Return NULL if the loading fails for any
	25	reason. */
	26
	27	void gdb_dlopen (const char filename);
	28
	29	/* Return the address of the symbol named SYMBOL inside the shared
	30	library whose handle is HANDLE. Return NULL when the symbol could
	31	not be found. */
	32
	33	void gdb_dlsym (void handle, const char *symbol);
	34
	35	/* Install a cleanup routine which closes the handle HANDLE. */
	36
	37	struct cleanup make_cleanup_dlclose (void handle);
	38
	39	/* Cleanup the shared object pointed to by HANDLE. Return 0 on success
	40	and nonzero on failure. */
	41
	42	int gdb_dlclose (void *handle);
	43
	44	/* Return non-zero if the dynamic library functions are available on
	45	this platform. */
	46
	47	int is_dl_available(void);
	48
	49	#endif /* GDB_DLFCN_H */