mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2024-11-21 01:12:32 +08:00
6b3a275905
This changes gdb_bfd_lookup_symbol to use a function_view. This simplifies the code a little bit.
154 lines
5.3 KiB
C
154 lines
5.3 KiB
C
/* Shared library declarations for GDB, the GNU Debugger.
|
|
|
|
Copyright (C) 1992-2023 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 SOLIB_H
|
|
#define SOLIB_H
|
|
|
|
/* Forward decl's for prototypes */
|
|
struct so_list;
|
|
struct target_ops;
|
|
struct target_so_ops;
|
|
struct program_space;
|
|
|
|
#include "gdb_bfd.h"
|
|
#include "symfile-add-flags.h"
|
|
#include "gdbsupport/function-view.h"
|
|
|
|
/* Value of the 'set debug solib' configuration variable. */
|
|
|
|
extern bool debug_solib;
|
|
|
|
/* Print an "solib" debug statement. */
|
|
|
|
#define solib_debug_printf(fmt, ...) \
|
|
debug_prefixed_printf_cond (debug_solib, "solib", fmt, ##__VA_ARGS__)
|
|
|
|
#define SOLIB_SCOPED_DEBUG_START_END(fmt, ...) \
|
|
scoped_debug_start_end (debug_solib, "solib", fmt, ##__VA_ARGS__)
|
|
|
|
/* Called when we free all symtabs, to free the shared library information
|
|
as well. */
|
|
|
|
extern void clear_solib (void);
|
|
|
|
/* Called to add symbols from a shared library to gdb's symbol table. */
|
|
|
|
extern void solib_add (const char *, int, int);
|
|
extern bool solib_read_symbols (struct so_list *, symfile_add_flags);
|
|
|
|
/* Function to be called when the inferior starts up, to discover the
|
|
names of shared libraries that are dynamically linked, the base
|
|
addresses to which they are linked, and sufficient information to
|
|
read in their symbols at a later time. */
|
|
|
|
extern void solib_create_inferior_hook (int from_tty);
|
|
|
|
/* If ADDR lies in a shared library, return its name. */
|
|
|
|
extern const char *solib_name_from_address (struct program_space *, CORE_ADDR);
|
|
|
|
/* Return true if ADDR lies within SOLIB. */
|
|
|
|
extern bool solib_contains_address_p (const struct so_list *, CORE_ADDR);
|
|
|
|
/* Return whether the data starting at VADDR, size SIZE, must be kept
|
|
in a core file for shared libraries loaded before "gcore" is used
|
|
to be handled correctly when the core file is loaded. This only
|
|
applies when the section would otherwise not be kept in the core
|
|
file (in particular, for readonly sections). */
|
|
|
|
extern bool solib_keep_data_in_core (CORE_ADDR vaddr, unsigned long size);
|
|
|
|
/* Return true if PC lies in the dynamic symbol resolution code of the
|
|
run time loader. */
|
|
|
|
extern bool in_solib_dynsym_resolve_code (CORE_ADDR);
|
|
|
|
/* Discard symbols that were auto-loaded from shared libraries. */
|
|
|
|
extern void no_shared_libraries (const char *ignored, int from_tty);
|
|
|
|
/* Synchronize GDB's shared object list with inferior's.
|
|
|
|
Extract the list of currently loaded shared objects from the
|
|
inferior, and compare it with the list of shared objects in the
|
|
current program space's list of shared libraries. Edit
|
|
so_list_head to bring it in sync with the inferior's new list.
|
|
|
|
If we notice that the inferior has unloaded some shared objects,
|
|
free any symbolic info GDB had read about those shared objects.
|
|
|
|
Don't load symbolic info for any new shared objects; just add them
|
|
to the list, and leave their symbols_loaded flag clear.
|
|
|
|
If FROM_TTY is non-null, feel free to print messages about what
|
|
we're doing. */
|
|
|
|
extern void update_solib_list (int from_tty);
|
|
|
|
/* Return true if NAME is the libpthread shared library. */
|
|
|
|
extern bool libpthread_name_p (const char *name);
|
|
|
|
/* Look up symbol from both symbol table and dynamic string table. */
|
|
|
|
extern CORE_ADDR gdb_bfd_lookup_symbol
|
|
(bfd *abfd, gdb::function_view<bool (const asymbol *)> match_sym);
|
|
|
|
/* Look up symbol from symbol table. */
|
|
|
|
extern CORE_ADDR gdb_bfd_lookup_symbol_from_symtab
|
|
(bfd *abfd, gdb::function_view<bool (const asymbol *)> match_sym);
|
|
|
|
/* Scan for DESIRED_DYNTAG in .dynamic section of ABFD. If DESIRED_DYNTAG is
|
|
found, 1 is returned and the corresponding PTR and PTR_ADDR are set. */
|
|
|
|
extern int gdb_bfd_scan_elf_dyntag (const int desired_dyntag, bfd *abfd,
|
|
CORE_ADDR *ptr, CORE_ADDR *ptr_addr);
|
|
|
|
/* If FILENAME refers to an ELF shared object then attempt to return the
|
|
string referred to by its DT_SONAME tag. */
|
|
|
|
extern gdb::unique_xmalloc_ptr<char> gdb_bfd_read_elf_soname
|
|
(const char *filename);
|
|
|
|
/* Enable or disable optional solib event breakpoints as appropriate. */
|
|
|
|
extern void update_solib_breakpoints (void);
|
|
|
|
/* Handle an solib event by calling solib_add. */
|
|
|
|
extern void handle_solib_event (void);
|
|
|
|
/* Associate SONAME with BUILD_ID in ABFD's registry so that it can be
|
|
retrieved with get_cbfd_soname_build_id. */
|
|
|
|
extern void set_cbfd_soname_build_id (gdb_bfd_ref_ptr abfd,
|
|
const char *soname,
|
|
const bfd_build_id *build_id);
|
|
|
|
/* If SONAME had a build-id associated with it in ABFD's registry by a
|
|
previous call to set_cbfd_soname_build_id then return the build-id
|
|
as a NULL-terminated hex string. */
|
|
|
|
extern gdb::unique_xmalloc_ptr<char> get_cbfd_soname_build_id
|
|
(gdb_bfd_ref_ptr abfd, const char *soname);
|
|
|
|
#endif /* SOLIB_H */
|