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Introduce dwarf2/dwz.h 

This moves "struct dwz_file" to a new header file, dwarf2/dwz.h.

gdb/ChangeLog
2020-03-26  Tom Tromey  <tom@tromey.com>

	* dwarf2/read.h (struct dwz_file): Move to dwz.h.
	* dwarf2/read.c: Add include.
	* dwarf2/index-write.c: Add include.
	* dwarf2/index-cache.c: Add include.
	* dwarf2/dwz.h: New file.
This commit is contained in:
Tom Tromey 2020-03-26 09:28:08 -06:00
parent aa49fc22c1
commit 9fda78b611
6 changed files with 69 additions and 31 deletions
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8
gdb/ChangeLog
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@ -1,3 +1,11 @@
2020-03-26 Tom Tromey <tom@tromey.com>
* dwarf2/read.h (struct dwz_file): Move to dwz.h.
* dwarf2/read.c: Add include.
* dwarf2/index-write.c: Add include.
* dwarf2/index-cache.c: Add include.
* dwarf2/dwz.h: New file.
2020-03-25 Tom Tromey <tom@tromey.com>
* compile/compile-object-load.c (get_out_value_type): Mention

58
gdb/dwarf2/dwz.h Normal file
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@ -0,0 +1,58 @@
/* 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;
};
#endif /* GDB_DWARF2_DWZ_H */

1
gdb/dwarf2/index-cache.c
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@ -27,6 +27,7 @@
#include "gdbsupport/pathstuff.h"
#include "dwarf2/index-write.h"
#include "dwarf2/read.h"
#include "dwarf2/dwz.h"
#include "objfiles.h"
#include "gdbsupport/selftest.h"
#include <string>

1
gdb/dwarf2/index-write.c
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@ -32,6 +32,7 @@
#include "dwarf2/index-common.h"
#include "dwarf2.h"
#include "dwarf2/read.h"
#include "dwarf2/dwz.h"
#include "gdb/gdb-index.h"
#include "gdbcmd.h"
#include "objfiles.h"

1
gdb/dwarf2/read.c
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@ -37,6 +37,7 @@
#include "dwarf2/index-common.h"
#include "dwarf2/leb.h"
#include "dwarf2/line-header.h"
#include "dwarf2/dwz.h"
#include "bfd.h"
#include "elf-bfd.h"
#include "symtab.h"

31
gdb/dwarf2/read.h
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@ -491,37 +491,6 @@ struct signatured_type
struct dwo_unit *dwo_unit;
};
/* 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;
};
/* Open the separate '.dwz' debug file, if needed. Return NULL if
there is no .gnu_debugaltlink section in the file. Error if there
is such a section but the file cannot be found. */