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90 lines
2.6 KiB
C
90 lines
2.6 KiB
C
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/* DWARF CU data structure
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Copyright (C) 2021 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 "defs.h"
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#include "dwarf2/cu.h"
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#include "dwarf2/read.h"
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/* Initialize dwarf2_cu to read PER_CU, in the context of PER_OBJFILE. */
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dwarf2_cu::dwarf2_cu (dwarf2_per_cu_data *per_cu,
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dwarf2_per_objfile *per_objfile)
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: per_cu (per_cu),
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per_objfile (per_objfile),
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mark (false),
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has_loclist (false),
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checked_producer (false),
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producer_is_gxx_lt_4_6 (false),
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producer_is_gcc_lt_4_3 (false),
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producer_is_icc (false),
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producer_is_icc_lt_14 (false),
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producer_is_codewarrior (false),
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processing_has_namespace_info (false)
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{
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}
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/* See cu.h. */
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struct type *
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dwarf2_cu::addr_sized_int_type (bool unsigned_p) const
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{
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int addr_size = this->per_cu->addr_size ();
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return this->per_objfile->int_type (addr_size, unsigned_p);
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}
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/* Start a symtab for DWARF. NAME, COMP_DIR, LOW_PC are passed to the
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buildsym_compunit constructor. */
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struct compunit_symtab *
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dwarf2_cu::start_symtab (const char *name, const char *comp_dir,
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CORE_ADDR low_pc)
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{
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gdb_assert (m_builder == nullptr);
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m_builder.reset (new struct buildsym_compunit
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(this->per_objfile->objfile,
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name, comp_dir, language, low_pc));
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list_in_scope = get_builder ()->get_file_symbols ();
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get_builder ()->record_debugformat ("DWARF 2");
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get_builder ()->record_producer (producer);
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processing_has_namespace_info = false;
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return get_builder ()->get_compunit_symtab ();
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}
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/* See read.h. */
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struct type *
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dwarf2_cu::addr_type () const
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{
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struct objfile *objfile = this->per_objfile->objfile;
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struct type *void_type = objfile_type (objfile)->builtin_void;
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struct type *addr_type = lookup_pointer_type (void_type);
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int addr_size = this->per_cu->addr_size ();
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if (TYPE_LENGTH (addr_type) == addr_size)
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return addr_type;
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addr_type = addr_sized_int_type (addr_type->is_unsigned ());
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return addr_type;
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}
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