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/tmp/gdb-8.1/gdb/solib.h
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1 /* Shared library declarations for GDB, the GNU Debugger.
2
3 Copyright (C) 1992-2018 Free Software Foundation, Inc.
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 SOLIB_H
21 #define SOLIB_H
22
23 /* Forward decl's for prototypes */
24 struct so_list;
25 struct target_ops;
26 struct target_so_ops;
27 struct program_space;
28
29 #include "symfile-add-flags.h"
30
31 /* List of known shared objects */
32 #define so_list_head current_program_space->so_list
33
34 /* Called when we free all symtabs, to free the shared library information
35 as well. */
36
37 extern void clear_solib (void);
38
39 /* Called to add symbols from a shared library to gdb's symbol table. */
40
41 extern void solib_add (const char *, int, int);
42 extern int solib_read_symbols (struct so_list *, symfile_add_flags);
43
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. */
48
49 extern void solib_create_inferior_hook (int from_tty);
50
51 /* If ADDR lies in a shared library, return its name. */
52
53 extern char *solib_name_from_address (struct program_space *, CORE_ADDR);
54
55 /* Return 1 if ADDR lies within SOLIB. */
56
57 extern int solib_contains_address_p (const struct so_list *, CORE_ADDR);
58
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). */
64
65 extern int solib_keep_data_in_core (CORE_ADDR vaddr, unsigned long size);
66
67 /* Return 1 if PC lies in the dynamic symbol resolution code of the
68 run time loader. */
69
70 extern int in_solib_dynsym_resolve_code (CORE_ADDR);
71
72 /* Discard symbols that were auto-loaded from shared libraries. */
73
74 extern void no_shared_libraries (const char *ignored, int from_tty);
75
76 /* Set the solib operations for GDBARCH to NEW_OPS. */
77
78 extern void set_solib_ops (struct gdbarch *gdbarch,
79 const struct target_so_ops *new_ops);
80
81 /* Synchronize GDB's shared object list with inferior's.
82
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.
87
88 If we notice that the inferior has unloaded some shared objects,
89 free any symbolic info GDB had read about those shared objects.
90
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.
93
94 If FROM_TTY is non-null, feel free to print messages about what
95 we're doing. */
96
97 extern void update_solib_list (int from_tty);
98
99 /* Return non-zero if NAME is the libpthread shared library. */
100
101 extern int libpthread_name_p (const char *name);
102
103 /* Look up symbol from both symbol table and dynamic string table. */
104
105 extern CORE_ADDR gdb_bfd_lookup_symbol (bfd *abfd,
106 int (*match_sym) (const asymbol *,
107 const void *),
108 const void *data);
109
110 /* Look up symbol from symbol table. */
111
112 extern CORE_ADDR gdb_bfd_lookup_symbol_from_symtab (bfd *abfd,
113 int (*match_sym)
114 (const asymbol *,
115 const void *),
116 const void *data);
117
118 /* Enable or disable optional solib event breakpoints as appropriate. */
119
120 extern void update_solib_breakpoints (void);
121
122 /* Handle an solib event by calling solib_add. */
123
124 extern void handle_solib_event (void);
125
126 #endif /* SOLIB_H */
gdbarch
Definition: gdbarch.c:127
solib_read_symbols
int solib_read_symbols(struct so_list *, symfile_add_flags)
Definition: solib.c:676
update_solib_breakpoints
void update_solib_breakpoints(void)
Definition: solib.c:1275
CORE_ADDR
bfd_vma CORE_ADDR
Definition: common-types.h:41
solib_create_inferior_hook
void solib_create_inferior_hook(int from_tty)
Definition: solib.c:1228
update_solib_list
void update_solib_list(int from_tty)
Definition: solib.c:747
so_list
Definition: solist.h:38
no_shared_libraries
void no_shared_libraries(const char *ignored, int from_tty)
Definition: solib.c:1261
target_so_ops
Definition: solist.h:91
in_solib_dynsym_resolve_code
int in_solib_dynsym_resolve_code(CORE_ADDR)
Definition: solib.c:1239
libpthread_name_p
int libpthread_name_p(const char *name)
Definition: solib.c:938
set_solib_ops
void set_solib_ops(struct gdbarch *gdbarch, const struct target_so_ops *new_ops)
Definition: solib.c:77
name
const char *const name
Definition: aarch64-tdep.c:76
symfile-add-flags.h
target_ops
Definition: target.h:412
gdb_bfd_lookup_symbol_from_symtab
CORE_ADDR gdb_bfd_lookup_symbol_from_symtab(bfd *abfd, int(*match_sym)(const asymbol *, const void *), const void *data)
Definition: solib.c:1483
solib_name_from_address
char * solib_name_from_address(struct program_space *, CORE_ADDR)
Definition: solib.c:1172
handle_solib_event
void handle_solib_event(void)
Definition: solib.c:1286
clear_solib
void clear_solib(void)
Definition: solib.c:1203
solib_keep_data_in_core
int solib_keep_data_in_core(CORE_ADDR vaddr, unsigned long size)
Definition: solib.c:1190
solib_contains_address_p
int solib_contains_address_p(const struct so_list *, CORE_ADDR)
Definition: solib.c:1148
solib_add
void solib_add(const char *, int, int)
Definition: solib.c:961
size
size_t size
Definition: go32-nat.c:242
program_space
Definition: progspace.h:137
gdb_bfd_lookup_symbol
CORE_ADDR gdb_bfd_lookup_symbol(bfd *abfd, int(*match_sym)(const asymbol *, const void *), const void *data)
Definition: solib.c:1582