/* Object file "section" support for the BFD library.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
Written by Cygnus Support.
-This file is part of BFD, the Binary File Descriptor library.
+ This file is part of BFD, the Binary File Descriptor library.
-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 2 of the License, or
-(at your option) any later version.
+ 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.
+ 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, write to the Free Software
-Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
/*
SECTION
*/
-#include "bfd.h"
#include "sysdep.h"
+#include "bfd.h"
#include "libbfd.h"
#include "bfdlink.h"
.
. {* If SEC_LINK_ONCE is set, this bitfield describes how the linker
. should handle duplicate sections. *}
-.#define SEC_LINK_DUPLICATES 0x40000
+.#define SEC_LINK_DUPLICATES 0xc0000
.
. {* This value for SEC_LINK_DUPLICATES means that duplicate
. sections with the same name should simply be discarded. *}
. {* This value for SEC_LINK_DUPLICATES means that the linker
. should warn if there are any duplicate sections, although
. it should still only link one copy. *}
-.#define SEC_LINK_DUPLICATES_ONE_ONLY 0x80000
+.#define SEC_LINK_DUPLICATES_ONE_ONLY 0x40000
.
. {* This value for SEC_LINK_DUPLICATES means that the linker
. should warn if any duplicate sections are a different size. *}
-.#define SEC_LINK_DUPLICATES_SAME_SIZE 0x100000
+.#define SEC_LINK_DUPLICATES_SAME_SIZE 0x80000
.
. {* This value for SEC_LINK_DUPLICATES means that the linker
. should warn if any duplicate sections contain different
. relocation or other arcane processing. It is skipped when
. going through the first-pass output, trusting that someone
. else up the line will take care of it later. *}
-.#define SEC_LINKER_CREATED 0x200000
+.#define SEC_LINKER_CREATED 0x100000
.
-. {* This section should not be subject to garbage collection. *}
-.#define SEC_KEEP 0x400000
+. {* This section should not be subject to garbage collection.
+. Also set to inform the linker that this section should not be
+. listed in the link map as discarded. *}
+.#define SEC_KEEP 0x200000
.
. {* This section contains "short" data, and should be placed
. "near" the GP. *}
-.#define SEC_SMALL_DATA 0x800000
+.#define SEC_SMALL_DATA 0x400000
.
. {* Attempt to merge identical entities in the section.
. Entity size is given in the entsize field. *}
-.#define SEC_MERGE 0x1000000
+.#define SEC_MERGE 0x800000
.
. {* If given with SEC_MERGE, entities to merge are zero terminated
. strings where entsize specifies character size instead of fixed
. size entries. *}
-.#define SEC_STRINGS 0x2000000
+.#define SEC_STRINGS 0x1000000
.
. {* This section contains data about section groups. *}
-.#define SEC_GROUP 0x4000000
+.#define SEC_GROUP 0x2000000
.
. {* The section is a COFF shared library section. This flag is
. only for the linker. If this type of section appears in
. might be cleaner to have some more general mechanism to
. allow the back end to control what the linker does with
. sections. *}
-.#define SEC_COFF_SHARED_LIBRARY 0x10000000
+.#define SEC_COFF_SHARED_LIBRARY 0x4000000
.
. {* This section contains data which may be shared with other
. executables or shared objects. This is for COFF only. *}
-.#define SEC_COFF_SHARED 0x20000000
+.#define SEC_COFF_SHARED 0x8000000
.
. {* When a section with this flag is being linked, then if the size of
. the input section is less than a page, it should not cross a page
. boundary. If the size of the input section is one page or more,
. it should be aligned on a page boundary. This is for TI
. TMS320C54X only. *}
-.#define SEC_TIC54X_BLOCK 0x40000000
+.#define SEC_TIC54X_BLOCK 0x10000000
.
. {* Conditionally link this section; do not link if there are no
. references found to any symbol in the section. This is for TI
. TMS320C54X only. *}
-.#define SEC_TIC54X_CLINK 0x80000000
+.#define SEC_TIC54X_CLINK 0x20000000
.
. {* End of section flags. *}
.
. output sections that have an input section. *}
. unsigned int linker_has_input : 1;
.
-. {* Mark flags used by some linker backends for garbage collection. *}
+. {* Mark flag used by some linker backends for garbage collection. *}
. unsigned int gc_mark : 1;
-. unsigned int gc_mark_from_eh : 1;
.
. {* The following flags are used by the ELF linker. *}
.
. bfd_size_type size;
.
. {* For input sections, the original size on disk of the section, in
-. octets. This field is used by the linker relaxation code. It is
-. currently only set for sections where the linker relaxation scheme
-. doesn't cache altered section and reloc contents (stabs, eh_frame,
-. SEC_MERGE, some coff relaxing targets), and thus the original size
-. needs to be kept to read the section multiple times.
-. For output sections, rawsize holds the section size calculated on
-. a previous linker relaxation pass. *}
+. octets. This field should be set for any section whose size is
+. changed by linker relaxation. It is required for sections where
+. the linker relaxation scheme doesn't cache altered section and
+. reloc contents (stabs, eh_frame, SEC_MERGE, some coff relaxing
+. targets), and thus the original size needs to be kept to read the
+. section multiple times. For output sections, rawsize holds the
+. section size calculated on a previous linker relaxation pass. *}
. bfd_size_type rawsize;
.
. {* If this section is going to be output, then this value is the
. {* name, id, index, next, prev, flags, user_set_vma, *} \
. { NAME, IDX, 0, NULL, NULL, FLAGS, 0, \
. \
-. {* linker_mark, linker_has_input, gc_mark, gc_mark_from_eh, *} \
-. 0, 0, 1, 0, \
+. {* linker_mark, linker_has_input, gc_mark, *} \
+. 0, 0, 1, \
. \
. {* segment_mark, sec_info_type, use_rela_p, has_tls_reloc, *} \
. 0, 0, 0, 0, \
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