| /* |
| * Copyright (c) 2012, 2013 SAP SE. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code 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 |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| |
| // Loadlib_aix.cpp contains support code for analysing the memory |
| // layout of loaded binaries in ones own process space. |
| // |
| // It is needed, among other things, to provide dladdr(3), which is |
| // missing on AIX. |
| |
| #ifndef OS_AIX_VM_LOADLIB_AIX_HPP |
| #define OS_AIX_VM_LOADLIB_AIX_HPP |
| |
| #include <stddef.h> |
| |
| class outputStream; |
| |
| // Struct holds information about a single loaded library module. |
| // Note that on AIX, a single library can be spread over multiple |
| // uintptr_t ranges on a module base, eg. |
| // libC.a(shr3_64.o) or libC.a(shrcore_64.o). |
| |
| // Note: all pointers to strings (path, member) point to strings which are immortal. |
| struct loaded_module_t { |
| |
| // Points to the full path of the lodaed module, e.g. |
| // "/usr/lib/libC.a". |
| const char* path; |
| |
| // Host library name without path |
| const char* shortname; |
| |
| // Points to the object file (AIX specific stuff) |
| // e.g "shrcore_64.o". |
| const char* member; |
| |
| // Text area from, to |
| const void* text; |
| size_t text_len; |
| |
| // Data area from, to |
| const void* data; |
| size_t data_len; |
| |
| // True if this module is part of the vm. |
| bool is_in_vm; |
| |
| }; |
| |
| // This class is a singleton holding a map of all loaded binaries |
| // in the AIX process space. |
| class LoadedLibraries |
| // : AllStatic (including allocation.hpp just for AllStatic is overkill.) |
| { |
| |
| public: |
| |
| // Rebuild the internal module table. If an error occurs, internal module |
| // table remains untouched. |
| static bool reload(); |
| |
| // Check whether the given address points into the text segment of a |
| // loaded module. Return true if this is the case. |
| // Optionally, information about the module is returned (info) |
| static bool find_for_text_address ( |
| const void* p, |
| loaded_module_t* info // Optional, leave NULL if not needed. |
| ); |
| |
| // Check whether the given address points into the data segment of a |
| // loaded module. Return true if this is the case. |
| // Optionally, information about the module is returned (info) |
| static bool find_for_data_address ( |
| const void* p, |
| loaded_module_t* info // Optional, leave NULL if not needed. |
| ); |
| |
| // Output debug info |
| static void print(outputStream* os); |
| |
| }; |
| |
| #endif // OS_AIX_VM_LOADLIB_AIX_HPP |