1/* HP SOM Shared library declarations for GDB, the GNU Debugger.
2
3   Copyright 1992, 1994, 1995, 1998, 1999, 2000, 2003 Free Software
4   Foundation, Inc.
5
6   This file is part of GDB.
7
8   This program is free software; you can redistribute it and/or modify
9   it under the terms of the GNU General Public License as published by
10   the Free Software Foundation; either version 2 of the License, or
11   (at your option) any later version.
12
13   This program is distributed in the hope that it will be useful,
14   but WITHOUT ANY WARRANTY; without even the implied warranty of
15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   GNU General Public License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with this program; if not, write to the Free Software
20   Foundation, Inc., 59 Temple Place - Suite 330,
21   Boston, MA 02111-1307, USA.
22
23   Written by the Center for Software Science at the Univerity of Utah
24   and by Cygnus Support.  */
25
26#ifndef SOMSOLIB_H
27#define SOMSOLIB_H
28
29/* Forward decl's for prototypes */
30struct target_ops;
31struct objfile;
32struct section_offsets;
33
34/* Called to add symbols from a shared library to gdb's symbol table. */
35
36#define SOLIB_ADD(filename, from_tty, targ, readsyms) \
37    som_solib_add (filename, from_tty, targ, readsyms)
38
39extern void som_solib_add (char *, int, struct target_ops *, int);
40
41extern CORE_ADDR som_solib_get_got_by_pc (CORE_ADDR);
42
43extern int som_solib_section_offsets (struct objfile *,
44				      struct section_offsets *);
45
46/* Function to be called when the inferior starts up, to discover the names
47   of shared libraries that are dynamically linked, the base addresses to
48   which they are linked, and sufficient information to read in their symbols
49   at a later time. */
50
51#define SOLIB_CREATE_INFERIOR_HOOK(PID)	som_solib_create_inferior_hook()
52
53extern void som_solib_create_inferior_hook (void);
54
55/* Function to be called to remove the connection between debugger and
56   dynamic linker that was established by SOLIB_CREATE_INFERIOR_HOOK.
57   (This operation does not remove shared library information from
58   the debugger, as CLEAR_SOLIB does.)
59 */
60#define SOLIB_REMOVE_INFERIOR_HOOK(PID) som_solib_remove_inferior_hook(PID)
61
62extern void som_solib_remove_inferior_hook (int);
63
64/* This function is called by the "catch load" command.  It allows
65   the debugger to be notified by the dynamic linker when a specified
66   library file (or any library file, if filename is NULL) is loaded.
67 */
68#define SOLIB_CREATE_CATCH_LOAD_HOOK(pid,tempflag, filename,cond_string) \
69   som_solib_create_catch_load_hook (pid, tempflag, filename, cond_string)
70
71extern void som_solib_create_catch_load_hook (int, int, char *, char *);
72
73/* This function is called by the "catch unload" command.  It allows
74   the debugger to be notified by the dynamic linker when a specified
75   library file (or any library file, if filename is NULL) is unloaded.
76 */
77#define SOLIB_CREATE_CATCH_UNLOAD_HOOK(pid,tempflag,filename, cond_string) \
78   som_solib_create_catch_unload_hook (pid, tempflag, filename, cond_string)
79
80extern void som_solib_create_catch_unload_hook (int, int, char *, char *);
81
82/* This function returns TRUE if the dynamic linker has just reported
83   a load of a library.
84
85   This function must be used only when the inferior has stopped in
86   the dynamic linker hook, or undefined results are guaranteed.
87 */
88#define SOLIB_HAVE_LOAD_EVENT(pid) \
89   som_solib_have_load_event (pid)
90
91extern int som_solib_have_load_event (int);
92
93/* This function returns a pointer to the string representation of the
94   pathname of the dynamically-linked library that has just been loaded.
95
96   This function must be used only when SOLIB_HAVE_LOAD_EVENT is TRUE,
97   or undefined results are guaranteed.
98
99   This string's contents are only valid immediately after the inferior
100   has stopped in the dynamic linker hook, and becomes invalid as soon
101   as the inferior is continued.  Clients should make a copy of this
102   string if they wish to continue the inferior and then access the string.
103 */
104#define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \
105   som_solib_loaded_library_pathname (pid)
106
107extern char *som_solib_loaded_library_pathname (int);
108
109/* This function returns TRUE if the dynamic linker has just reported
110   an unload of a library.
111
112   This function must be used only when the inferior has stopped in
113   the dynamic linker hook, or undefined results are guaranteed.
114 */
115#define SOLIB_HAVE_UNLOAD_EVENT(pid) \
116   som_solib_have_unload_event (pid)
117
118extern int som_solib_have_unload_event (int);
119
120/* This function returns a pointer to the string representation of the
121   pathname of the dynamically-linked library that has just been unloaded.
122
123   This function must be used only when SOLIB_HAVE_UNLOAD_EVENT is TRUE,
124   or undefined results are guaranteed.
125
126   This string's contents are only valid immediately after the inferior
127   has stopped in the dynamic linker hook, and becomes invalid as soon
128   as the inferior is continued.  Clients should make a copy of this
129   string if they wish to continue the inferior and then access the string.
130 */
131#define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \
132   som_solib_unloaded_library_pathname (pid)
133
134extern char *som_solib_unloaded_library_pathname (int);
135
136/* This function returns TRUE if pc is the address of an instruction that
137   lies within the dynamic linker (such as the event hook, or the dld
138   itself).
139
140   This function must be used only when a dynamic linker event has been
141   caught, and the inferior is being stepped out of the hook, or undefined
142   results are guaranteed.
143 */
144#define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \
145   som_solib_in_dynamic_linker (pid, pc)
146
147extern int som_solib_in_dynamic_linker (int, CORE_ADDR);
148
149/* This function must be called when the inferior is killed, and the program
150   restarted.  This is not the same as CLEAR_SOLIB, in that it doesn't discard
151   any symbol tables.
152
153   Presently, this functionality is not implemented.
154 */
155#define SOLIB_RESTART() \
156   som_solib_restart ()
157
158extern void som_solib_restart (void);
159
160/* If we can't set a breakpoint, and it's in a shared library, just
161   disable it.  */
162
163#define DISABLE_UNSETTABLE_BREAK(addr)	(som_solib_address(addr) != NULL)
164
165extern char *som_solib_address (CORE_ADDR);	/* somsolib.c */
166
167/* If ADDR lies in a shared library, return its name.  */
168
169#define PC_SOLIB(addr)	som_solib_address (addr)
170
171extern CORE_ADDR som_solib_get_solib_by_pc (CORE_ADDR addr);
172
173struct so_list;
174extern CORE_ADDR so_lib_thread_start_addr (struct so_list *so);
175
176extern void no_shared_libraries (char *ignored, int from_tty);
177
178#endif
179