0314b3901c
This changes read_indirect_string_from_dwz to be a method on the dwz_file, and adds a new dwarf2/dwz.c file. gdb/ChangeLog 2020-03-26 Tom Tromey <tom@tromey.com> * dwarf2/read.c (read_attribute_value): Update. (read_indirect_string_from_dwz): Move to dwz.c; change into method. (dwarf_decode_macro_bytes): Update. * dwarf2/dwz.h (struct dwz_file) <read_string>: Declare method. * dwarf2/dwz.c: New file. * Makefile.in (COMMON_SFILES): Add dwz.c.
66 lines
2.0 KiB
C++
66 lines
2.0 KiB
C++
/* DWARF DWZ handling for GDB.
|
|
|
|
Copyright (C) 2003-2020 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_DWARF2_DWZ_H
|
|
#define GDB_DWARF2_DWZ_H
|
|
|
|
#include "gdb_bfd.h"
|
|
#include "dwarf2/index-cache.h"
|
|
#include "dwarf2/section.h"
|
|
|
|
/* This represents a '.dwz' file. */
|
|
|
|
struct dwz_file
|
|
{
|
|
dwz_file (gdb_bfd_ref_ptr &&bfd)
|
|
: dwz_bfd (std::move (bfd))
|
|
{
|
|
}
|
|
|
|
const char *filename () const
|
|
{
|
|
return bfd_get_filename (this->dwz_bfd.get ());
|
|
}
|
|
|
|
/* A dwz file can only contain a few sections. */
|
|
struct dwarf2_section_info abbrev {};
|
|
struct dwarf2_section_info info {};
|
|
struct dwarf2_section_info str {};
|
|
struct dwarf2_section_info line {};
|
|
struct dwarf2_section_info macro {};
|
|
struct dwarf2_section_info gdb_index {};
|
|
struct dwarf2_section_info debug_names {};
|
|
|
|
/* The dwz's BFD. */
|
|
gdb_bfd_ref_ptr dwz_bfd;
|
|
|
|
/* If we loaded the index from an external file, this contains the
|
|
resources associated to the open file, memory mapping, etc. */
|
|
std::unique_ptr<index_cache_resource> index_cache_res;
|
|
|
|
/* Read a string at offset STR_OFFSET in the .debug_str section from
|
|
this dwz file. Throw an error if the offset is too large. If
|
|
the string consists of a single NUL byte, return NULL; otherwise
|
|
return a pointer to the string. */
|
|
|
|
const char *read_string (struct objfile *objfile, LONGEST str_offset);
|
|
};
|
|
|
|
#endif /* GDB_DWARF2_DWZ_H */
|