| /* Target sections. |
| |
| Copyright (C) 2020-2024 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 GDB_TARGET_SECTION_H |
| #define GDB_TARGET_SECTION_H |
| |
| struct bfd; |
| struct objfile; |
| struct solib; |
| |
| /* A union representing the possible owner types of a target_section. */ |
| |
| union target_section_owner |
| { |
| target_section_owner () : m_v (nullptr) {} |
| target_section_owner (const bfd *bfd) : bfd (bfd) {} |
| target_section_owner (const objfile *objfile) : objfile (objfile) {} |
| target_section_owner (const solib *solib) : solib (solib) {} |
| |
| /* Use this to access the type-erased version of the owner, for |
| comparisons, printing, etc. We don't access the M_V member |
| directly, because pedantically it is not valid to access a |
| non-active union member. */ |
| const void *v () const |
| { |
| void *tmp; |
| memcpy (&tmp, this, sizeof (*this)); |
| return tmp; |
| } |
| |
| const struct bfd *bfd; |
| const struct objfile *objfile; |
| const struct solib *solib; |
| |
| private: |
| const void *m_v; |
| }; |
| |
| /* Struct target_section maps address ranges to file sections. It is |
| mostly used with BFD files, but can be used without (e.g. for handling |
| raw disks, or files not in formats handled by BFD). */ |
| |
| struct target_section |
| { |
| target_section (CORE_ADDR addr_, CORE_ADDR end_, struct bfd_section *sect_, |
| target_section_owner owner_ = {}) |
| : addr (addr_), |
| endaddr (end_), |
| the_bfd_section (sect_), |
| owner (owner_) |
| { |
| } |
| |
| /* Lowest address in section. */ |
| CORE_ADDR addr; |
| /* Highest address in section, plus 1. */ |
| CORE_ADDR endaddr; |
| |
| /* The BFD section. */ |
| struct bfd_section *the_bfd_section; |
| |
| /* The "owner" of the section. |
| |
| It is set by add_target_sections and used by remove_target_sections. |
| For example, for executables it is a pointer to exec_bfd and |
| for shlibs it is the solib pointer. */ |
| target_section_owner owner; |
| }; |
| |
| #endif /* GDB_TARGET_SECTION_H */ |