1/* HP PA64 ELF Shared library declarations for GDB, the GNU Debugger.
2   Copyright 1999, 2000 Free Software Foundation, Inc.
3
4   This file is part of GDB.
5
6   This program is free software; you can redistribute it and/or modify
7   it under the terms of the GNU General Public License as published by
8   the Free Software Foundation; either version 2 of the License, or
9   (at your option) any later version.
10
11   This program is distributed in the hope that it will be useful,
12   but WITHOUT ANY WARRANTY; without even the implied warranty of
13   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14   GNU General Public License for more details.
15
16   You should have received a copy of the GNU General Public License
17   along with this program; if not, write to the Free Software
18   Foundation, Inc., 59 Temple Place - Suite 330,
19   Boston, MA 02111-1307, USA.  */
20
21/* Forward decl's for prototypes */
22struct target_ops;
23struct objfile;
24struct section_offsets;
25
26/* Called to add symbols from a shared library to gdb's symbol table.  */
27
28#define SOLIB_ADD(filename, from_tty, targ, readsyms) \
29    pa64_solib_add (filename, from_tty, targ, readsyms)
30
31extern void pa64_solib_add (char *, int, struct target_ops *, int);
32
33extern CORE_ADDR pa64_solib_get_got_by_pc (CORE_ADDR);
34
35/* Function to be called when the inferior starts up, to discover the names
36   of shared libraries that are dynamically linked, the base addresses to
37   which they are linked, and sufficient information to read in their symbols
38   at a later time.  */
39
40#define SOLIB_CREATE_INFERIOR_HOOK(PID)	pa64_solib_create_inferior_hook()
41
42extern void pa64_solib_create_inferior_hook (void);
43
44/* Function to be called to remove the connection between debugger and
45   dynamic linker that was established by SOLIB_CREATE_INFERIOR_HOOK.
46   (This operation does not remove shared library information from
47   the debugger, as CLEAR_SOLIB does.)  */
48#define SOLIB_REMOVE_INFERIOR_HOOK(PID) pa64_solib_remove_inferior_hook(PID)
49
50extern void pa64_solib_remove_inferior_hook (int);
51
52/* This function is called by the "catch load" command.  It allows
53   the debugger to be notified by the dynamic linker when a specified
54   library file (or any library file, if filename is NULL) is loaded.  */
55#define SOLIB_CREATE_CATCH_LOAD_HOOK(pid,tempflag, filename,cond_string) \
56   pa64_solib_create_catch_load_hook (pid, tempflag, filename, cond_string)
57
58extern void pa64_solib_create_catch_load_hook (int, int, char *, char *);
59
60/* This function is called by the "catch unload" command.  It allows
61   the debugger to be notified by the dynamic linker when a specified
62   library file (or any library file, if filename is NULL) is unloaded.  */
63#define SOLIB_CREATE_CATCH_UNLOAD_HOOK(pid,tempflag,filename, cond_string) \
64   pa64_solib_create_catch_unload_hook (pid, tempflag, filename, cond_string)
65
66extern void pa64_solib_create_catch_unload_hook (int, int, char *, char *);
67
68/* This function returns TRUE if the dynamic linker has just reported
69   a load of a library.
70
71   This function must be used only when the inferior has stopped in
72   the dynamic linker hook, or undefined results are guaranteed.  */
73#define SOLIB_HAVE_LOAD_EVENT(pid) \
74   pa64_solib_have_load_event (pid)
75
76extern int pa64_solib_have_load_event (int);
77
78/* This function returns a pointer to the string representation of the
79   pathname of the dynamically-linked library that has just been loaded.
80
81   This function must be used only when SOLIB_HAVE_LOAD_EVENT is TRUE,
82   or undefined results are guaranteed.
83
84   This string's contents are only valid immediately after the inferior
85   has stopped in the dynamic linker hook, and becomes invalid as soon
86   as the inferior is continued.  Clients should make a copy of this
87   string if they wish to continue the inferior and then access the string.  */
88#define SOLIB_LOADED_LIBRARY_PATHNAME(pid) \
89   pa64_solib_loaded_library_pathname (pid)
90
91extern char *pa64_solib_loaded_library_pathname (int);
92
93/* This function returns TRUE if the dynamic linker has just reported
94   an unload of a library.
95
96   This function must be used only when the inferior has stopped in
97   the dynamic linker hook, or undefined results are guaranteed.  */
98#define SOLIB_HAVE_UNLOAD_EVENT(pid) \
99   pa64_solib_have_unload_event (pid)
100
101extern int pa64_solib_have_unload_event (int);
102
103/* This function returns a pointer to the string representation of the
104   pathname of the dynamically-linked library that has just been unloaded.
105
106   This function must be used only when SOLIB_HAVE_UNLOAD_EVENT is TRUE,
107   or undefined results are guaranteed.
108
109   This string's contents are only valid immediately after the inferior
110   has stopped in the dynamic linker hook, and becomes invalid as soon
111   as the inferior is continued.  Clients should make a copy of this
112   string if they wish to continue the inferior and then access the string.  */
113#define SOLIB_UNLOADED_LIBRARY_PATHNAME(pid) \
114   pa64_solib_unloaded_library_pathname (pid)
115
116extern char *pa64_solib_unloaded_library_pathname (int);
117
118/* This function returns TRUE if pc is the address of an instruction that
119   lies within the dynamic linker (such as the event hook, or the dld
120   itself).
121
122   This function must be used only when a dynamic linker event has been
123   caught, and the inferior is being stepped out of the hook, or undefined
124   results are guaranteed.  */
125#define SOLIB_IN_DYNAMIC_LINKER(pid,pc) \
126   pa64_solib_in_dynamic_linker (pid, pc)
127
128extern int pa64_solib_in_dynamic_linker (int, CORE_ADDR);
129
130/* This function must be called when the inferior is killed, and the program
131   restarted.  This is not the same as CLEAR_SOLIB, in that it doesn't discard
132   any symbol tables.
133
134   Presently, this functionality is not implemented.  */
135#define SOLIB_RESTART() \
136   pa64_solib_restart ()
137
138extern void pa64_solib_restart (void);
139
140/* If we can't set a breakpoint, and it's in a shared library, just
141   disable it.  */
142
143#define DISABLE_UNSETTABLE_BREAK(addr)	(pa64_solib_address(addr) != NULL)
144
145extern char *pa64_solib_address (CORE_ADDR);	/* somsolib.c */
146
147/* If ADDR lies in a shared library, return its name.  */
148
149#define PC_SOLIB(addr)	pa64_solib_address (addr)
150