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- /* Copyright (C) 2002-2022 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/>. */
- #include "server.h"
- #include "dll.h"
- #include <algorithm>
- /* An "unspecified" CORE_ADDR, for match_dll. */
- #define UNSPECIFIED_CORE_ADDR (~(CORE_ADDR) 0)
- /* Record a newly loaded DLL at BASE_ADDR for the current process. */
- void
- loaded_dll (const char *name, CORE_ADDR base_addr)
- {
- loaded_dll (current_process (), name, base_addr);
- }
- /* Record a newly loaded DLL at BASE_ADDR for PROC. */
- void
- loaded_dll (process_info *proc, const char *name, CORE_ADDR base_addr)
- {
- gdb_assert (proc != nullptr);
- proc->all_dlls.emplace_back (name != nullptr ? name : "", base_addr);
- proc->dlls_changed = true;
- }
- /* Record that the DLL with NAME and BASE_ADDR has been unloaded
- from the current process. */
- void
- unloaded_dll (const char *name, CORE_ADDR base_addr)
- {
- unloaded_dll (current_process (), name, base_addr);
- }
- /* Record that the DLL with NAME and BASE_ADDR has been unloaded
- from PROC. */
- void
- unloaded_dll (process_info *proc, const char *name, CORE_ADDR base_addr)
- {
- gdb_assert (proc != nullptr);
- auto pred = [&] (const dll_info &dll)
- {
- if (base_addr != UNSPECIFIED_CORE_ADDR
- && base_addr == dll.base_addr)
- return true;
- if (name != NULL && dll.name == name)
- return true;
- return false;
- };
- auto iter = std::find_if (proc->all_dlls.begin (), proc->all_dlls.end (),
- pred);
- if (iter == proc->all_dlls.end ())
- /* For some inferiors we might get unloaded_dll events without having
- a corresponding loaded_dll. In that case, the dll cannot be found
- in ALL_DLL, and there is nothing further for us to do.
- This has been observed when running 32bit executables on Windows64
- (i.e. through WOW64, the interface between the 32bits and 64bits
- worlds). In that case, the inferior always does some strange
- unloading of unnamed dll. */
- return;
- else
- {
- /* DLL has been found so remove the entry and free associated
- resources. */
- proc->all_dlls.erase (iter);
- proc->dlls_changed = true;
- }
- }
- void
- clear_dlls (void)
- {
- for_each_process ([] (process_info *proc)
- {
- proc->all_dlls.clear ();
- });
- }
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