1 /* Shared library declarations for GDB, the GNU Debugger.
3 Copyright (C) 1992-2017 Free Software Foundation, Inc.
5 This file is part of GDB.
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.
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.
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/>. */
23 /* Forward decl's for prototypes */
29 #include "symfile-add-flags.h"
31 /* List of known shared objects */
32 #define so_list_head current_program_space->so_list
34 /* Called when we free all symtabs, to free the shared library information
37 extern void clear_solib (void);
39 /* Called to add symbols from a shared library to gdb's symbol table. */
41 extern void solib_add (const char *, int, int);
42 extern int solib_read_symbols (struct so_list
*, symfile_add_flags
);
44 /* Function to be called when the inferior starts up, to discover the
45 names of shared libraries that are dynamically linked, the base
46 addresses to which they are linked, and sufficient information to
47 read in their symbols at a later time. */
49 extern void solib_create_inferior_hook (int from_tty
);
51 /* If ADDR lies in a shared library, return its name. */
53 extern char *solib_name_from_address (struct program_space
*, CORE_ADDR
);
55 /* Return 1 if ADDR lies within SOLIB. */
57 extern int solib_contains_address_p (const struct so_list
*, CORE_ADDR
);
59 /* Return whether the data starting at VADDR, size SIZE, must be kept
60 in a core file for shared libraries loaded before "gcore" is used
61 to be handled correctly when the core file is loaded. This only
62 applies when the section would otherwise not be kept in the core
63 file (in particular, for readonly sections). */
65 extern int solib_keep_data_in_core (CORE_ADDR vaddr
, unsigned long size
);
67 /* Return 1 if PC lies in the dynamic symbol resolution code of the
70 extern int in_solib_dynsym_resolve_code (CORE_ADDR
);
72 /* Discard symbols that were auto-loaded from shared libraries. */
74 extern void no_shared_libraries (char *ignored
, int from_tty
);
76 /* Set the solib operations for GDBARCH to NEW_OPS. */
78 extern void set_solib_ops (struct gdbarch
*gdbarch
,
79 const struct target_so_ops
*new_ops
);
81 /* Synchronize GDB's shared object list with inferior's.
83 Extract the list of currently loaded shared objects from the
84 inferior, and compare it with the list of shared objects currently
85 in GDB's so_list_head list. Edit so_list_head to bring it in sync
86 with the inferior's new list.
88 If we notice that the inferior has unloaded some shared objects,
89 free any symbolic info GDB had read about those shared objects.
91 Don't load symbolic info for any new shared objects; just add them
92 to the list, and leave their symbols_loaded flag clear.
94 If FROM_TTY is non-null, feel free to print messages about what
97 extern void update_solib_list (int from_tty
);
99 /* Return non-zero if NAME is the libpthread shared library. */
101 extern int libpthread_name_p (const char *name
);
103 /* Look up symbol from both symbol table and dynamic string table. */
105 extern CORE_ADDR
gdb_bfd_lookup_symbol (bfd
*abfd
,
106 int (*match_sym
) (const asymbol
*,
110 /* Look up symbol from symbol table. */
112 extern CORE_ADDR
gdb_bfd_lookup_symbol_from_symtab (bfd
*abfd
,
118 /* Enable or disable optional solib event breakpoints as appropriate. */
120 extern void update_solib_breakpoints (void);
122 /* Handle an solib event by calling solib_add. */
124 extern void handle_solib_event (void);
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