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Diffstat (limited to 'gdb/dwarf2/comp-unit-head.h')
| -rw-r--r-- | gdb/dwarf2/comp-unit-head.h | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/gdb/dwarf2/comp-unit-head.h b/gdb/dwarf2/comp-unit-head.h deleted file mode 100644 index 5134893..0000000 --- a/gdb/dwarf2/comp-unit-head.h +++ /dev/null @@ -1,139 +0,0 @@ -/* Low-level DWARF 2 reading code - - Copyright (C) 1994-2025 Free Software Foundation, Inc. - - Adapted by Gary Funck (gary@intrepid.com), Intrepid Technology, - Inc. with support from Florida State University (under contract - with the Ada Joint Program Office), and Silicon Graphics, Inc. - Initial contribution by Brent Benson, Harris Computer Systems, Inc., - based on Fred Fish's (Cygnus Support) implementation of DWARF 1 - support. - - 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_DWARF2_COMP_UNIT_HEAD_H -#define GDB_DWARF2_COMP_UNIT_HEAD_H - -#include "dwarf2.h" -#include "dwarf2/leb.h" -#include "dwarf2/types.h" - -struct dwarf2_per_objfile; - -/* The data in a compilation unit header, after target2host - translation, looks like this. */ -struct comp_unit_head -{ -private: - unsigned int m_length = 0; -public: - unsigned char version = 0; - unsigned char addr_size = 0; - unsigned char signed_addr_p = 0; - sect_offset abbrev_sect_off {}; - - /* Size of file offsets; either 4 or 8. */ - unsigned int offset_size = 0; - - /* Size of the length field; either 4 or 12. */ - unsigned int initial_length_size = 0; - - enum dwarf_unit_type unit_type {}; - - /* Offset to first die in this cu from the start of the cu. - This will be the first byte following the compilation unit header. */ - cu_offset first_die_cu_offset {}; - - /* Offset to the first byte of this compilation unit header in the - .debug_info section, for resolving relative reference dies. */ - sect_offset sect_off {}; - - /* For types, offset in the type's DIE of the type defined by this TU. */ - cu_offset type_cu_offset_in_tu {}; - - /* 64-bit signature of this unit. For type units, it denotes the signature of - the type (DW_UT_type in DWARF 4, additionally DW_UT_split_type in DWARF 5). - Also used in DWARF 5, to denote the dwo id when the unit type is - DW_UT_skeleton or DW_UT_split_compile. */ - ULONGEST signature = 0; - - void set_length (unsigned int length) - { - m_length = length; - } - - /* Return the total length of the CU described by this header, including the - initial length field. */ - unsigned int get_length_with_initial () const - { - return m_length + initial_length_size; - } - - /* Return the total length of the CU described by this header, excluding the - initial length field. */ - unsigned int get_length_without_initial () const - { - return m_length; - } - - /* Return TRUE if OFF is within this CU. */ - bool offset_in_cu_p (sect_offset off) const - { - sect_offset bottom = sect_off; - sect_offset top = sect_off + get_length_with_initial (); - return off >= bottom && off < top; - } - - /* Read an offset from the data stream. The size of the offset is - given by cu_header->offset_size. */ - LONGEST read_offset (bfd *abfd, const gdb_byte *buf, - unsigned int *bytes_read) const - { - LONGEST offset = ::read_offset (abfd, buf, offset_size); - *bytes_read = offset_size; - return offset; - } - - /* Read an address from BUF. BYTES_READ is updated. */ - unrelocated_addr read_address (bfd *abfd, const gdb_byte *buf, - unsigned int *bytes_read) const; -}; - -/* Expected enum dwarf_unit_type for read_comp_unit_head. */ -enum class rcuh_kind { COMPILE, TYPE }; - -/* Read in the comp unit header information from the debug_info at info_ptr. - Use rcuh_kind::COMPILE as the default type if not known by the caller. - NOTE: This leaves members offset, first_die_offset to be filled in - by the caller. */ -extern const gdb_byte *read_comp_unit_head - (struct comp_unit_head *cu_header, - const gdb_byte *info_ptr, - struct dwarf2_section_info *section, - rcuh_kind section_kind); - -/* Read in a CU/TU header and perform some basic error checking. - The contents of the header are stored in HEADER. - The result is a pointer to the start of the first DIE. */ -extern const gdb_byte *read_and_check_comp_unit_head - (dwarf2_per_objfile *per_objfile, - struct comp_unit_head *header, - struct dwarf2_section_info *section, - struct dwarf2_section_info *abbrev_section, - const gdb_byte *info_ptr, - rcuh_kind section_kind); - -#endif /* GDB_DWARF2_COMP_UNIT_HEAD_H */ |