102 lines
2.8 KiB
C++
102 lines
2.8 KiB
C++
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/* Copyright (C) 2002-2022 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#include "server.h"
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#include "dll.h"
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#include <algorithm>
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/* An "unspecified" CORE_ADDR, for match_dll. */
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#define UNSPECIFIED_CORE_ADDR (~(CORE_ADDR) 0)
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/* Record a newly loaded DLL at BASE_ADDR for the current process. */
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void
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loaded_dll (const char *name, CORE_ADDR base_addr)
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{
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loaded_dll (current_process (), name, base_addr);
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}
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/* Record a newly loaded DLL at BASE_ADDR for PROC. */
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void
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loaded_dll (process_info *proc, const char *name, CORE_ADDR base_addr)
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{
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gdb_assert (proc != nullptr);
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proc->all_dlls.emplace_back (name != nullptr ? name : "", base_addr);
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proc->dlls_changed = true;
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}
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/* Record that the DLL with NAME and BASE_ADDR has been unloaded
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from the current process. */
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void
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unloaded_dll (const char *name, CORE_ADDR base_addr)
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{
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unloaded_dll (current_process (), name, base_addr);
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}
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/* Record that the DLL with NAME and BASE_ADDR has been unloaded
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from PROC. */
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void
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unloaded_dll (process_info *proc, const char *name, CORE_ADDR base_addr)
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{
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gdb_assert (proc != nullptr);
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auto pred = [&] (const dll_info &dll)
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{
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if (base_addr != UNSPECIFIED_CORE_ADDR
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&& base_addr == dll.base_addr)
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return true;
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if (name != NULL && dll.name == name)
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return true;
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return false;
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};
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auto iter = std::find_if (proc->all_dlls.begin (), proc->all_dlls.end (),
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pred);
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if (iter == proc->all_dlls.end ())
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/* For some inferiors we might get unloaded_dll events without having
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a corresponding loaded_dll. In that case, the dll cannot be found
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in ALL_DLL, and there is nothing further for us to do.
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This has been observed when running 32bit executables on Windows64
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(i.e. through WOW64, the interface between the 32bits and 64bits
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worlds). In that case, the inferior always does some strange
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unloading of unnamed dll. */
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return;
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else
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{
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/* DLL has been found so remove the entry and free associated
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resources. */
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proc->all_dlls.erase (iter);
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proc->dlls_changed = true;
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}
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}
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void
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clear_dlls (void)
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{
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for_each_process ([] (process_info *proc)
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{
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proc->all_dlls.clear ();
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});
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}
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