1999-05-03 15:29:11 +08:00
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/* ldlang.h - linker command language support
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2001-03-13 14:14:29 +08:00
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Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
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2011-01-13 21:34:54 +08:00
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2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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1999-06-13 05:24:56 +08:00
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Free Software Foundation, Inc.
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2000-09-29 21:21:41 +08:00
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2007-07-06 22:09:45 +08:00
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This file is part of the GNU Binutils.
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2000-09-29 21:21:41 +08:00
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2007-07-06 22:09:45 +08:00
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This program is free software; you can redistribute it and/or modify
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1999-05-03 15:29:11 +08:00
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it under the terms of the GNU General Public License as published by
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2007-07-06 22:09:45 +08:00
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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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2000-09-29 21:21:41 +08:00
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2007-07-06 22:09:45 +08:00
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This program is distributed in the hope that it will be useful,
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1999-05-03 15:29:11 +08:00
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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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2000-09-29 21:21:41 +08:00
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1999-05-03 15:29:11 +08:00
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You should have received a copy of the GNU General Public License
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2007-07-06 22:09:45 +08:00
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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1999-05-03 15:29:11 +08:00
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#ifndef LDLANG_H
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#define LDLANG_H
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2003-10-21 23:33:47 +08:00
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#define DEFAULT_MEMORY_REGION "*default*"
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2004-01-13 19:10:53 +08:00
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typedef enum
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{
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1999-05-03 15:29:11 +08:00
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lang_input_file_is_l_enum,
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lang_input_file_is_symbols_only_enum,
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lang_input_file_is_marker_enum,
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lang_input_file_is_fake_enum,
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lang_input_file_is_search_file_enum,
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lang_input_file_is_file_enum
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} lang_input_file_enum_type;
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2004-01-13 19:10:53 +08:00
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struct _fill_type
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{
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2002-02-15 10:11:05 +08:00
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size_t size;
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unsigned char data[1];
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};
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2000-10-09 23:09:17 +08:00
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2004-01-13 19:10:53 +08:00
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typedef struct statement_list
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{
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2009-03-03 01:27:36 +08:00
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union lang_statement_union * head;
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union lang_statement_union ** tail;
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1999-05-03 15:29:11 +08:00
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} lang_statement_list_type;
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2009-03-03 01:27:36 +08:00
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typedef struct memory_region_name_struct
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{
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const char * name;
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struct memory_region_name_struct * next;
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} lang_memory_region_name;
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2004-01-13 19:10:53 +08:00
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typedef struct memory_region_struct
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{
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2009-03-03 01:27:36 +08:00
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lang_memory_region_name name_list;
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1999-05-03 15:29:11 +08:00
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struct memory_region_struct *next;
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bfd_vma origin;
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bfd_size_type length;
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bfd_vma current;
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2006-07-26 13:05:52 +08:00
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union lang_statement_union *last_os;
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1999-05-03 15:29:11 +08:00
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flagword flags;
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flagword not_flags;
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2002-11-30 16:39:46 +08:00
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bfd_boolean had_full_message;
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2000-10-09 23:09:17 +08:00
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} lang_memory_region_type;
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2009-09-11 23:27:38 +08:00
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enum statement_enum
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{
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lang_output_section_statement_enum,
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lang_assignment_statement_enum,
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lang_input_statement_enum,
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lang_address_statement_enum,
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lang_wild_statement_enum,
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lang_input_section_enum,
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lang_object_symbols_statement_enum,
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lang_fill_statement_enum,
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lang_data_statement_enum,
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lang_reloc_statement_enum,
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lang_target_statement_enum,
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lang_output_statement_enum,
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lang_padding_statement_enum,
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lang_group_statement_enum,
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lang_insert_statement_enum,
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lang_constructors_statement_enum
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};
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2004-01-13 19:10:53 +08:00
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typedef struct lang_statement_header_struct
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{
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2000-10-09 23:09:17 +08:00
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union lang_statement_union *next;
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2009-09-11 23:27:38 +08:00
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enum statement_enum type;
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1999-05-03 15:29:11 +08:00
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} lang_statement_header_type;
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2004-01-13 19:10:53 +08:00
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typedef struct
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{
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1999-05-03 15:29:11 +08:00
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lang_statement_header_type header;
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union etree_union *exp;
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} lang_assignment_statement_type;
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2004-01-13 19:10:53 +08:00
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typedef struct lang_target_statement_struct
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{
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1999-05-03 15:29:11 +08:00
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lang_statement_header_type header;
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const char *target;
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} lang_target_statement_type;
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2004-01-13 19:10:53 +08:00
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typedef struct lang_output_statement_struct
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{
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1999-05-03 15:29:11 +08:00
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lang_statement_header_type header;
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const char *name;
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} lang_output_statement_type;
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/* Section types specified in a linker script. */
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2004-01-13 19:10:53 +08:00
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enum section_type
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{
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1999-05-03 15:29:11 +08:00
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normal_section,
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2007-04-18 11:55:10 +08:00
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overlay_section,
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1999-05-03 15:29:11 +08:00
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noload_section,
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2006-06-07 12:55:11 +08:00
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noalloc_section
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1999-05-03 15:29:11 +08:00
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};
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2004-01-13 19:10:53 +08:00
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/* This structure holds a list of program headers describing
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segments in which this section should be placed. */
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1999-05-03 15:29:11 +08:00
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2004-01-13 19:10:53 +08:00
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typedef struct lang_output_section_phdr_list
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{
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1999-05-03 15:29:11 +08:00
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struct lang_output_section_phdr_list *next;
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const char *name;
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2002-11-30 16:39:46 +08:00
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bfd_boolean used;
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2004-01-13 19:10:53 +08:00
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} lang_output_section_phdr_list;
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1999-05-03 15:29:11 +08:00
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2004-01-13 19:10:53 +08:00
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typedef struct lang_output_section_statement_struct
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{
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1999-05-03 15:29:11 +08:00
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lang_statement_header_type header;
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lang_statement_list_type children;
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2004-10-14 20:54:47 +08:00
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struct lang_output_section_statement_struct *next;
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2005-12-24 15:48:30 +08:00
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struct lang_output_section_statement_struct *prev;
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1999-05-03 15:29:11 +08:00
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const char *name;
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asection *bfd_section;
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2004-01-13 19:10:53 +08:00
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lang_memory_region_type *region;
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lang_memory_region_type *lma_region;
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2002-02-15 10:11:05 +08:00
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fill_type *fill;
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2005-11-03 10:54:10 +08:00
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union etree_union *addr_tree;
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1999-05-03 15:29:11 +08:00
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union etree_union *load_base;
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2002-05-07 19:04:54 +08:00
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/* If non-null, an expression to evaluate after setting the section's
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size. The expression is evaluated inside REGION (above) with '.'
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set to the end of the section. Used in the last overlay section
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to move '.' past all the overlaid sections. */
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union etree_union *update_dot_tree;
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2004-01-13 19:10:53 +08:00
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lang_output_section_phdr_list *phdrs;
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2005-11-03 10:54:10 +08:00
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unsigned int block_value;
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int subsection_alignment; /* Alignment of components. */
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int section_alignment; /* Alignment of start of section. */
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int constraint;
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flagword flags;
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enum section_type sectype;
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2006-08-16 16:31:45 +08:00
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unsigned int processed_vma : 1;
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unsigned int processed_lma : 1;
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2005-11-03 10:54:10 +08:00
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unsigned int all_input_readonly : 1;
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2006-09-27 12:18:16 +08:00
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/* If this section should be ignored. */
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2005-11-03 10:54:10 +08:00
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unsigned int ignored : 1;
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2006-09-27 12:18:16 +08:00
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/* If there is a symbol relative to this section. */
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unsigned int section_relative_symbol : 1;
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1999-05-03 15:29:11 +08:00
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} lang_output_section_statement_type;
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2004-01-13 19:10:53 +08:00
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typedef struct
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{
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1999-05-03 15:29:11 +08:00
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lang_statement_header_type header;
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} lang_common_statement_type;
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2004-01-13 19:10:53 +08:00
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typedef struct
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{
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1999-05-03 15:29:11 +08:00
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lang_statement_header_type header;
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} lang_object_symbols_statement_type;
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2004-01-13 19:10:53 +08:00
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typedef struct
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{
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1999-05-03 15:29:11 +08:00
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lang_statement_header_type header;
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2002-02-15 10:11:05 +08:00
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fill_type *fill;
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1999-05-03 15:29:11 +08:00
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int size;
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asection *output_section;
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} lang_fill_statement_type;
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2004-01-13 19:10:53 +08:00
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typedef struct
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{
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1999-05-03 15:29:11 +08:00
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lang_statement_header_type header;
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unsigned int type;
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2000-10-09 23:09:17 +08:00
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union etree_union *exp;
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1999-05-03 15:29:11 +08:00
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bfd_vma value;
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asection *output_section;
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2005-11-03 10:54:10 +08:00
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bfd_vma output_offset;
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1999-05-03 15:29:11 +08:00
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} lang_data_statement_type;
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/* Generate a reloc in the output file. */
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2004-01-13 19:10:53 +08:00
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typedef struct
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{
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1999-05-03 15:29:11 +08:00
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lang_statement_header_type header;
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/* Reloc to generate. */
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bfd_reloc_code_real_type reloc;
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/* Reloc howto structure. */
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reloc_howto_type *howto;
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2004-01-13 19:10:53 +08:00
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/* Section to generate reloc against.
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Exactly one of section and name must be NULL. */
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1999-05-03 15:29:11 +08:00
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asection *section;
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2004-01-13 19:10:53 +08:00
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/* Name of symbol to generate reloc against.
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Exactly one of section and name must be NULL. */
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1999-05-03 15:29:11 +08:00
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const char *name;
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/* Expression for addend. */
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union etree_union *addend_exp;
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/* Resolved addend. */
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bfd_vma addend_value;
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/* Output section where reloc should be performed. */
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asection *output_section;
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2005-11-03 10:54:10 +08:00
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/* Offset within output section. */
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bfd_vma output_offset;
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1999-05-03 15:29:11 +08:00
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} lang_reloc_statement_type;
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2004-01-13 19:10:53 +08:00
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typedef struct lang_input_statement_struct
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{
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1999-05-03 15:29:11 +08:00
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lang_statement_header_type header;
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/* Name of this file. */
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const char *filename;
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2004-01-13 19:10:53 +08:00
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/* Name to use for the symbol giving address of text start.
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Usually the same as filename, but for a file spec'd with
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-l this is the -l switch itself rather than the filename. */
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1999-05-03 15:29:11 +08:00
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const char *local_sym_name;
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2000-09-29 21:21:41 +08:00
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1999-05-03 15:29:11 +08:00
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bfd *the_bfd;
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2000-09-29 21:21:41 +08:00
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2011-07-11 23:03:09 +08:00
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struct flag_info *section_flag_list;
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1999-05-03 15:29:11 +08:00
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/* Point to the next file - whatever it is, wanders up and down
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archives */
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2000-10-09 23:09:17 +08:00
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union lang_statement_union *next;
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2004-01-13 19:10:53 +08:00
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/* Point to the next file, but skips archive contents. */
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2000-10-09 23:09:17 +08:00
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union lang_statement_union *next_real_file;
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2000-09-29 21:21:41 +08:00
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2006-06-09 09:13:39 +08:00
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const char *target;
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2010-12-06 08:07:06 +08:00
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unsigned int maybe_archive : 1;
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2000-09-29 21:21:41 +08:00
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1999-05-03 15:29:11 +08:00
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/* 1 means search a set of directories for this file. */
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2006-06-09 09:13:39 +08:00
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unsigned int search_dirs_flag : 1;
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2000-09-29 21:21:41 +08:00
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2003-03-04 04:00:35 +08:00
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/* 1 means this was found in a search directory marked as sysrooted,
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if search_dirs_flag is false, otherwise, that it should be
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searched in ld_sysroot before any other location, as long as it
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starts with a slash. */
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2006-06-09 09:13:39 +08:00
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unsigned int sysrooted : 1;
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2003-03-04 04:00:35 +08:00
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1999-05-03 15:29:11 +08:00
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/* 1 means this is base file of incremental load.
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Do not load this file's text or data.
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2000-09-29 21:21:41 +08:00
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Also default text_start to after this file's bss. */
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2006-06-09 09:13:39 +08:00
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unsigned int just_syms_flag : 1;
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1999-05-03 15:29:11 +08:00
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/* Whether to search for this entry as a dynamic archive. */
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2006-06-09 09:13:39 +08:00
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unsigned int dynamic : 1;
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1999-05-03 15:29:11 +08:00
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2011-09-20 12:58:56 +08:00
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/* Set if a DT_NEEDED tag should be added not just for the dynamic library
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explicitly given by this entry but also for any dynamic libraries in
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this entry's needed list. */
|
2009-11-05 23:35:50 +08:00
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unsigned int add_DT_NEEDED_for_dynamic : 1;
|
2004-07-20 00:40:52 +08:00
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|
2011-09-20 12:58:56 +08:00
|
|
|
/* Set if this entry should cause a DT_NEEDED tag only when some
|
|
|
|
|
regular file references its symbols (ie. --as-needed is in effect). */
|
2009-11-05 23:35:50 +08:00
|
|
|
unsigned int add_DT_NEEDED_for_regular : 1;
|
2004-03-18 20:50:20 +08:00
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
/* Whether to include the entire contents of an archive. */
|
2006-06-09 09:13:39 +08:00
|
|
|
unsigned int whole_archive : 1;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
2010-01-21 18:31:32 +08:00
|
|
|
/* Set when bfd opening is successful. */
|
2006-06-09 09:13:39 +08:00
|
|
|
unsigned int loaded : 1;
|
2000-09-29 21:21:41 +08:00
|
|
|
|
2006-06-09 09:13:39 +08:00
|
|
|
unsigned int real : 1;
|
2010-01-21 18:31:32 +08:00
|
|
|
|
|
|
|
|
/* Set if the file does not exist. */
|
|
|
|
|
unsigned int missing_file : 1;
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 09:31:33 +08:00
|
|
|
|
2011-03-10 18:25:02 +08:00
|
|
|
#ifdef ENABLE_PLUGINS
|
Applied patch series for LD plugin interface (six parts).
[PATCH] Add infrastructure for plugin API; functionality to follow.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* plugin-api.h (LDPT_GNU_LD_VERSION): New ld_plugin_tag enum member.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* configure.in: Add AC_CHECKs for file io and dlfcn headers and
functions and AC_SEARCH for -ldl.
(enable_plugins): New shell variable set if above tests find dlopen
functionality.
(ENABLE_PLUGINS): Add related automake conditional.
* configure: Regenerate.
* config.in: Likewise.
* Makefile.am (PLUGIN_C): Declare plugin C source file, conditional
on ENABLE_PLUGINS being defined.
(PLUGIN_H): Likewise for header file.
(PLUGIN_OBJECT): Likewise for object file.
(PLUGIN_CFLAGS): Likewise -D flag required to compile plugin support.
(AM_CPPFLAGS): Use PLUGIN_CFLAGS.
(CFILES): Use PLUGIN_C.
(HFILES): Use PLUGIN_H.
(OFILES): Use PLUGIN_OBJECT.
(ld_new_SOURCES): Use PLUGIN_C.
(noinst_LTLIBRARIES)[ENABLE_PLUGINS]: Declare test plugin.
(libldtestplug_la_SOURCES)[ENABLE_PLUGINS]: Add automake definition
for test plugin.
(libldtestplug_la_CFLAGS)[ENABLE_PLUGINS]: Likewise.
(libldtestplug_la_LDFLAGS)[ENABLE_PLUGINS]: Likewise.
* Makefile.in: Regenerate.
* sysdep.h: Include stdarg.h, unistd.h and one of fcntl.h or
sys/file.h where available. Include dlfcn.h when ENABLE_PLUGINS.
(O_RDONLY): Supply default definition likewise to bfd's sysdep.h
(O_WRONLY): Likewise.
(O_RDWR): Likewise.
(O_ACCMODE): Likewise.
(O_BINARY): Likewise.
(SEEK_SET): Likewise.
(SEEK_CUR): Likewise.
(SEEK_END): Likewise.
* ldmisc.c (vfinfo): Make non-static. Add %p format char.
* ldmisc.h (vfinfo): Declare extern prototype.
* lexsup.c (enum option_values)[ENABLE_PLUGINS]: Add new entries for
OPTION_PLUGIN and OPTION_PLUGIN_OPT.
(ld_options[])[ENABLE_PLUGINS]: Add option data for the above two.
(parse_args)[ENABLE_PLUGINS]: Handle them, and load all plugins once
option parsing is complete.
* ldmain.c (main)[ENABLE_PLUGINS]: Call plugin cleanup hooks just
after lang_finish.
* plugin.c: New source file.
* plugin.h: Likewise new header.
* testplug.c: New source file.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 1/6).
* ld-bootstrap/bootstrap.exp: Skip static tests also if LD plugins
are enabled.
* lib/ld-lib.exp (proc regexp_diff): Extend verbose debug output.
(proc set_file_contents): Write a file with the supplied content.
(run_ld_link_tests): Add new 'ld' action to test linker output.
(proc check_plugin_api_available): Return true if linker under test
supports the plugin API.
* ld-plugin/func.c: New test source file.
* ld-plugin/main.c: Likewise.
* ld-plugin/text.c: Likewise.
* ld-plugin/plugin-1.d: New dump test output pattern script.
* ld-plugin/plugin-2.d: Likewise.
* ld-plugin/plugin-3.d: Likewise.
* ld-plugin/plugin-4.d: Likewise.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin.exp: New test control script.
---
[PATCH] Implement claim file and all symbols read hooks and add symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ldfile.c (ldfile_try_open_bfd)[ENABLE_PLUGINS]: Don't return early
during compat checks if they pass, instead offer any successfully
opened and accepted file to the plugin claim file hooks chain. Create
a dummy bfd to accept symbols added by the plugin, if the plugin
claims the file.
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Call plugin all symbols
read hook chain before ldemul_after_open.
* ldlang.h (struct lang_input_statement_struct): Add new single-bit
'claimed' flag.
* plugin.c (IRONLY_SUFFIX): New macro for dummy bfd file suffix.
(IRONLY_SUFFIX_LEN): Length of the above string.
(plugin_get_ir_dummy_bfd): New function to create the dummy bfd used
to store symbols for ir-only files.
(is_ir_dummy_bfd): New function to check if a bfd is ir-only.
(asymbol_from_plugin_symbol): New function converts symbol formats.
(add_symbols): Call it to convert plugin syms to bfd syms and add
them to the dummy bfd.
* plugin.h: Add missing include guards.
(plugin_get_ir_dummy_bfd): Add prototype.
(is_ir_dummy_bfd): Likewise.
* testplug.c (TV_MESSAGE): New helper macro.
(struct claim_file): New struct.
(claim_file_t): New typedef.
(tag_names[]): Make static and const.
(claimfiles_list): New variable.
(claimfiles_tail_chain_ptr): Likewise.
(last_claimfile): Likewise.
(record_claim_file): Record a file to claim on a singly-linked list.
(parse_symdefstr): Parse an ASCII representation of a symbol from a
plugin option into the fields of a struct ld_plugin_symbol.
(record_claimed_file_symbol): Use it to parse plugin option for
adding a symbol.
(parse_option): Parse claim file and add symbol options.
(dump_tv_tag): Use TV_MESSAGE.
(onload): Likewise.
(onclaim_file): Make static. Use TV_MESSAGE. Scan list of files to
claim and claim this file if required, adding any symbols specified.
(onall_symbols_read): Make static and use TV_MESSAGE.
(oncleanup): Likewise.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 2/6).
* ld-plugin/plugin-3.d: Enable regexes for new functionality.
* ld-plugin/plugin-5.d: Likewise.
* ld-plugin/plugin-6.d: New testcase.
* ld-plugin/plugin-7.d: Likewise.
* ld-plugin/plugin.exp: Use 'nm' on compiled test objects to determine
whether symbols in plugin arguments need an underscore prefix. Add
new plugin-6.d and plugin-7.d testcases.
---
[PATCH] Implement get symbols callback.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ldmain.c (notice)[ENABLE_PLUGINS]: Call plugin_notice.
* plugin.c (non_ironly_hash): Add new bfd hash table.
(plugin_load_plugins): Exit early if no plugins to load. If plugins
do load successfully, set notice_all flag in link info.
(get_symbols): Implement.
(plugin_load_plugins): Exit early if no plugins to load, else after
loading plugins successfully enable notice_all mode.
(init_non_ironly_hash): Lazily init non_ironly_hash table.
(plugin_notice): Record symbols referenced from non-IR files in the
non_ironly_hash. Suppress tracing, cref generation and nocrossrefs
tracking for symbols from dummy IR bfds.
* plugin.h: Fix formatting.
(plugin_notice): Add prototype.
* testplug.c (dumpresolutions): New global var.
(parse_options): Accept "dumpresolutions".
(onall_symbols_read): Get syms and dump resolutions if it was given.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 3/6).
* ld-plugin/plugin-8.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Implement add input file, add input lib and set extra lib path callbacks.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ldlang.c (lang_process)[ENABLE_PLUGINS]: Move invocation of
plugin_call_all_symbols_read to before setting of gc_sym_list, and
open any new input files that may have been added during it.
* ldmain.c (multiple_definition)[ENABLE_PLUGINS]: Call out to
plugin_multiple_definition and let it have first say over what to do
with the clashing definitions.
* plugin.c (no_more_claiming): New boolean variable.
(plugin_cached_allow_multiple_defs): Likewise.
(add_input_file): Implement.
(add_input_library): Likewise.
(set_extra_library_path): Likewise.
(plugin_call_claim_file): Don't do anything when no_more_claiming set.
(plugin_call_all_symbols_read): Set it. Disable link info
"allow_multiple_definition" flag, but cache its value.
(plugin_multiple_definition): New function.
* plugin.h (plugin_multiple_definition): Add prototype.
* testplug.c (addfile_enum_t): New enumerated typedef.
(add_file_t): New struct typedef.
(addfiles_list): New variable.
(addfiles_tail_chain_ptr): Likewise.
(record_add_file): New function.
(parse_option): Parse "add:", "lib:" and "dir:" options and call it.
(onall_symbols_read): Iterate the list of new files, libs and dirs,
adding them.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 4/6).
* ld-plugin/plugin-9.d: New testcase.
* ld-plugin/plugin.exp: Invoke it.
---
[PATCH] Add ELF symbol visibility support to plugin interface.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* plugin.c (asymbol_from_plugin_symbol): If the bfd is an ELF bfd,
find the elf symbol data and set the visibility in the st_other field.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 5/6).
* ld-plugin/plugin-ignore.d: New dump test control script.
* ld-plugin/plugin-vis-1.d: Likewise.
* ld-plugin/plugin.exp: Add list of ELF-only tests and run them if
testing on an ELF target.
---
[PATCH] Add archive support to plugin interface.
bfd/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* aoutx.h (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* cofflink.c (coff_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(coff_link_check_archive_element): Handle substitute bfd if it
was set during add_archive_element callback in the above.
* ecoff.c (read_ext_syms_and_strs): New function holds symbol-reading
code factored-out from ecoff_link_check_archive_element.
(reread_ext_syms_and_strs): Clear old symbols and call it.
(ecoff_link_check_archive_element): Use the above. Handle substitute
BFD if one is set by add_archive_element callback.
(ecoff_link_add_archive_symbols): Likewise allow bfd substitution.
* elflink.c (elf_link_add_archive_symbols): Likewise.
* linker.c (generic_link_check_archive_element): Likewise.
* pdp11.c (aout_link_check_ar_symbols): Take new "subsbfd" reference
parameter and pass it when invoking add_archive_element callback.
(aout_link_check_archive_element): Handle substitute bfd if it was
set during add_archive_element callback in the above.
* vms-alpha.c (alpha_vms_link_add_archive_symbols): Handle substitute
BFD if one is set by add_archive_element callback.
* xcofflink.c (xcoff_link_check_dynamic_ar_symbols): Take new "subsbfd"
reference parameter and pass it when invoking add_archive_element
callback.
(xcoff_link_check_ar_symbols): Likewise.
(xcoff_link_check_archive_element): Handle bfd substitution if it was
set by callback in the above.
include/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* bfdlink.h (struct_bfd_link_callbacks): Document new argument
to add_archive_element callback used to return a replacement bfd which
is to be added to the hash table in place of the original element.
ld/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ldlang.c (load_symbols): Handle bfd subsitution when calling the
add_archive_element callback.
* ldmain.c (add_archive_element)[ENABLE_PLUGINS]: Offer the archive
member to the plugins and if claimed set "subsbfd" output parameter to
point to the dummy IR-only BFD.
ld/testsuite/ChangeLog:
2010-10-14 Dave Korn <dave.korn.cygwin@gmail.com>
Apply LD plugin patch series (part 6/6).
* ld-plugin/plugin-10.d: New dump test control script.
* ld-plugin/plugin-11.d: Likewise.
* ld-plugin/plugin.exp: Run them.
---
2010-10-14 09:31:33 +08:00
|
|
|
/* Set if the file was claimed by a plugin. */
|
|
|
|
|
unsigned int claimed : 1;
|
|
|
|
|
|
2011-03-10 18:25:02 +08:00
|
|
|
/* Set if the file was claimed from an archive. */
|
|
|
|
|
unsigned int claim_archive : 1;
|
2011-09-20 12:58:56 +08:00
|
|
|
|
|
|
|
|
/* Set if reloading an --as-needed lib. */
|
|
|
|
|
unsigned int reload : 1;
|
2011-03-10 18:25:02 +08:00
|
|
|
#endif /* ENABLE_PLUGINS */
|
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
} lang_input_statement_type;
|
|
|
|
|
|
2004-01-13 19:10:53 +08:00
|
|
|
typedef struct
|
|
|
|
|
{
|
1999-05-03 15:29:11 +08:00
|
|
|
lang_statement_header_type header;
|
|
|
|
|
asection *section;
|
2000-09-29 21:21:41 +08:00
|
|
|
} lang_input_section_type;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
2005-04-06 Jakub Jelinek <jakub@redhat.com>
* ldlang.c: Formatting.
(walk_wild_consider_section): Remember return value from wildcardp.
(is_simple_wild): Use strcspn instead of 2 strpbrk calls and strlen.
(wild_spec_can_overlap): Use strcspn instead of strpbrk and strlen.
2005-04-06 Robert O'Callahan <rocallahan@novell.com>
* ld.h (lean_section_userdata_type): Remove.
(fat_section_userdata_type): Remove file field.
(SECTION_USERDATA_SIZE): Remove.
* ldlang.c (init_os): Eliminate initialization of unused
lean_section_userdata_type.
* ldlang.h (callback_t, walk_wild_section_handler_t): New
typedefs.
(struct lang_wild_statement_struct): Add walk_wild_section_handler
and handler_data fields.
* ldlang.c (callback_t): Removed.
(walk_wild_consider_section, walk_wild_section_general,
section_iterator_callback, find_section, is_simple_wild,
match_simple_wild, walk_wild_section_specs1_wild0,
walk_wild_section_specs1_wild1, walk_wild_section_specs2_wild1,
walk_wild_section_specs3_wild2, walk_wild_section_specs4_wild2,
wild_spec_can_overlap, analyze_walk_wild_section_handler): New
functions.
(lang_add_wild): Call analyze_walk_wild_section_handler.
(walk_wild_section): Renamed to walk_wild_section_general and
created a wrapper function.
(section_iterator_callback_data): New typedef.
2005-04-06 23:33:03 +08:00
|
|
|
typedef struct lang_wild_statement_struct lang_wild_statement_type;
|
|
|
|
|
|
|
|
|
|
typedef void (*callback_t) (lang_wild_statement_type *, struct wildcard_list *,
|
|
|
|
|
asection *, lang_input_statement_type *, void *);
|
|
|
|
|
|
|
|
|
|
typedef void (*walk_wild_section_handler_t) (lang_wild_statement_type *,
|
|
|
|
|
lang_input_statement_type *,
|
|
|
|
|
callback_t callback,
|
|
|
|
|
void *data);
|
|
|
|
|
|
2005-11-24 14:02:08 +08:00
|
|
|
typedef bfd_boolean (*lang_match_sec_type_func) (bfd *, const asection *,
|
|
|
|
|
bfd *, const asection *);
|
|
|
|
|
|
2006-08-09 00:08:47 +08:00
|
|
|
/* Binary search tree structure to efficiently sort sections by
|
|
|
|
|
name. */
|
|
|
|
|
typedef struct lang_section_bst
|
|
|
|
|
{
|
|
|
|
|
asection *section;
|
|
|
|
|
struct lang_section_bst *left;
|
|
|
|
|
struct lang_section_bst *right;
|
|
|
|
|
} lang_section_bst_type;
|
|
|
|
|
|
2005-04-06 Jakub Jelinek <jakub@redhat.com>
* ldlang.c: Formatting.
(walk_wild_consider_section): Remember return value from wildcardp.
(is_simple_wild): Use strcspn instead of 2 strpbrk calls and strlen.
(wild_spec_can_overlap): Use strcspn instead of strpbrk and strlen.
2005-04-06 Robert O'Callahan <rocallahan@novell.com>
* ld.h (lean_section_userdata_type): Remove.
(fat_section_userdata_type): Remove file field.
(SECTION_USERDATA_SIZE): Remove.
* ldlang.c (init_os): Eliminate initialization of unused
lean_section_userdata_type.
* ldlang.h (callback_t, walk_wild_section_handler_t): New
typedefs.
(struct lang_wild_statement_struct): Add walk_wild_section_handler
and handler_data fields.
* ldlang.c (callback_t): Removed.
(walk_wild_consider_section, walk_wild_section_general,
section_iterator_callback, find_section, is_simple_wild,
match_simple_wild, walk_wild_section_specs1_wild0,
walk_wild_section_specs1_wild1, walk_wild_section_specs2_wild1,
walk_wild_section_specs3_wild2, walk_wild_section_specs4_wild2,
wild_spec_can_overlap, analyze_walk_wild_section_handler): New
functions.
(lang_add_wild): Call analyze_walk_wild_section_handler.
(walk_wild_section): Renamed to walk_wild_section_general and
created a wrapper function.
(section_iterator_callback_data): New typedef.
2005-04-06 23:33:03 +08:00
|
|
|
struct lang_wild_statement_struct
|
2004-01-13 19:10:53 +08:00
|
|
|
{
|
1999-05-03 15:29:11 +08:00
|
|
|
lang_statement_header_type header;
|
|
|
|
|
const char *filename;
|
2002-11-30 16:39:46 +08:00
|
|
|
bfd_boolean filenames_sorted;
|
2001-08-03 09:11:21 +08:00
|
|
|
struct wildcard_list *section_list;
|
2002-11-30 16:39:46 +08:00
|
|
|
bfd_boolean keep_sections;
|
1999-05-03 15:29:11 +08:00
|
|
|
lang_statement_list_type children;
|
2005-04-06 Jakub Jelinek <jakub@redhat.com>
* ldlang.c: Formatting.
(walk_wild_consider_section): Remember return value from wildcardp.
(is_simple_wild): Use strcspn instead of 2 strpbrk calls and strlen.
(wild_spec_can_overlap): Use strcspn instead of strpbrk and strlen.
2005-04-06 Robert O'Callahan <rocallahan@novell.com>
* ld.h (lean_section_userdata_type): Remove.
(fat_section_userdata_type): Remove file field.
(SECTION_USERDATA_SIZE): Remove.
* ldlang.c (init_os): Eliminate initialization of unused
lean_section_userdata_type.
* ldlang.h (callback_t, walk_wild_section_handler_t): New
typedefs.
(struct lang_wild_statement_struct): Add walk_wild_section_handler
and handler_data fields.
* ldlang.c (callback_t): Removed.
(walk_wild_consider_section, walk_wild_section_general,
section_iterator_callback, find_section, is_simple_wild,
match_simple_wild, walk_wild_section_specs1_wild0,
walk_wild_section_specs1_wild1, walk_wild_section_specs2_wild1,
walk_wild_section_specs3_wild2, walk_wild_section_specs4_wild2,
wild_spec_can_overlap, analyze_walk_wild_section_handler): New
functions.
(lang_add_wild): Call analyze_walk_wild_section_handler.
(walk_wild_section): Renamed to walk_wild_section_general and
created a wrapper function.
(section_iterator_callback_data): New typedef.
2005-04-06 23:33:03 +08:00
|
|
|
|
|
|
|
|
walk_wild_section_handler_t walk_wild_section_handler;
|
|
|
|
|
struct wildcard_list *handler_data[4];
|
2006-08-09 00:08:47 +08:00
|
|
|
lang_section_bst_type *tree;
|
2011-07-11 23:03:09 +08:00
|
|
|
struct flag_info *section_flag_list;
|
2005-04-06 Jakub Jelinek <jakub@redhat.com>
* ldlang.c: Formatting.
(walk_wild_consider_section): Remember return value from wildcardp.
(is_simple_wild): Use strcspn instead of 2 strpbrk calls and strlen.
(wild_spec_can_overlap): Use strcspn instead of strpbrk and strlen.
2005-04-06 Robert O'Callahan <rocallahan@novell.com>
* ld.h (lean_section_userdata_type): Remove.
(fat_section_userdata_type): Remove file field.
(SECTION_USERDATA_SIZE): Remove.
* ldlang.c (init_os): Eliminate initialization of unused
lean_section_userdata_type.
* ldlang.h (callback_t, walk_wild_section_handler_t): New
typedefs.
(struct lang_wild_statement_struct): Add walk_wild_section_handler
and handler_data fields.
* ldlang.c (callback_t): Removed.
(walk_wild_consider_section, walk_wild_section_general,
section_iterator_callback, find_section, is_simple_wild,
match_simple_wild, walk_wild_section_specs1_wild0,
walk_wild_section_specs1_wild1, walk_wild_section_specs2_wild1,
walk_wild_section_specs3_wild2, walk_wild_section_specs4_wild2,
wild_spec_can_overlap, analyze_walk_wild_section_handler): New
functions.
(lang_add_wild): Call analyze_walk_wild_section_handler.
(walk_wild_section): Renamed to walk_wild_section_general and
created a wrapper function.
(section_iterator_callback_data): New typedef.
2005-04-06 23:33:03 +08:00
|
|
|
};
|
1999-05-03 15:29:11 +08:00
|
|
|
|
2004-01-13 19:10:53 +08:00
|
|
|
typedef struct lang_address_statement_struct
|
|
|
|
|
{
|
1999-05-03 15:29:11 +08:00
|
|
|
lang_statement_header_type header;
|
2000-10-09 23:09:17 +08:00
|
|
|
const char *section_name;
|
|
|
|
|
union etree_union *address;
|
2004-10-27 02:41:52 +08:00
|
|
|
const segment_type *segment;
|
1999-05-03 15:29:11 +08:00
|
|
|
} lang_address_statement_type;
|
|
|
|
|
|
2004-01-13 19:10:53 +08:00
|
|
|
typedef struct
|
|
|
|
|
{
|
1999-05-03 15:29:11 +08:00
|
|
|
lang_statement_header_type header;
|
|
|
|
|
bfd_vma output_offset;
|
2011-11-16 02:22:27 +08:00
|
|
|
bfd_size_type size;
|
1999-05-03 15:29:11 +08:00
|
|
|
asection *output_section;
|
2002-02-15 10:11:05 +08:00
|
|
|
fill_type *fill;
|
1999-05-03 15:29:11 +08:00
|
|
|
} lang_padding_statement_type;
|
|
|
|
|
|
|
|
|
|
/* A group statement collects a set of libraries together. The
|
|
|
|
|
libraries are searched multiple times, until no new undefined
|
|
|
|
|
symbols are found. The effect is to search a group of libraries as
|
|
|
|
|
though they were a single library. */
|
|
|
|
|
|
2004-01-13 19:10:53 +08:00
|
|
|
typedef struct
|
|
|
|
|
{
|
1999-05-03 15:29:11 +08:00
|
|
|
lang_statement_header_type header;
|
|
|
|
|
lang_statement_list_type children;
|
|
|
|
|
} lang_group_statement_type;
|
|
|
|
|
|
ld/
* ld.texinfo (INSERT): Describe.
* ldgram.y (ldgram_in_script, ldgram_had_equals): Delete.
(INSERT_K, AFTER, BEFORE): Add as tokens.
(ifile_p1): Handle INSERT statements.
(saved_script_handle, force_make_executable): Move to..
* ldmain.c: ..here.
(previous_script_handle): New global var.
* ldmain.h (saved_script_handle, force_make_executable): Declare.
(previous_script_handle): Likewise.
* ldlex.l (INSERT_K, AFTER, BEFORE): Add tokens.
* lexsup.c (parge_args <-T>): Set previous_script_handle.
* ldlang.c (lang_for_each_statement_worker): Handle insert statement.
(map_input_to_output_sections, print_statement): Likewise.
(lang_size_sections_1, lang_do_assignments_1): Likewise.
(insert_os_after): New function, extracted from..
(lang_insert_orphan): ..here.
(process_insert_statements): New function.
(lang_process): Call it.
(lang_add_insert): New function.
* ldlang.h (lang_insert_statement_enum): New.
(lang_insert_statement_type): New.
(lang_statement_union_type): Add insert_statement.
(lang_add_insert): Declare.
ld/testsuite/
* ld-spu/ovl.lnk: Delete overlay.
* ld-spu/ovl1.lnk: New file.
* ld-spu/ovl2.lnk: New file.
* ld-spu/ovl.d: Update.
* ld-spu/ovl2.d: Update.
2008-01-25 20:03:37 +08:00
|
|
|
typedef struct
|
|
|
|
|
{
|
|
|
|
|
lang_statement_header_type header;
|
|
|
|
|
const char *where;
|
|
|
|
|
bfd_boolean is_before;
|
|
|
|
|
} lang_insert_statement_type;
|
|
|
|
|
|
2004-01-13 19:10:53 +08:00
|
|
|
typedef union lang_statement_union
|
|
|
|
|
{
|
1999-05-03 15:29:11 +08:00
|
|
|
lang_statement_header_type header;
|
|
|
|
|
lang_wild_statement_type wild_statement;
|
|
|
|
|
lang_data_statement_type data_statement;
|
|
|
|
|
lang_reloc_statement_type reloc_statement;
|
|
|
|
|
lang_address_statement_type address_statement;
|
|
|
|
|
lang_output_section_statement_type output_section_statement;
|
|
|
|
|
lang_assignment_statement_type assignment_statement;
|
|
|
|
|
lang_input_statement_type input_statement;
|
|
|
|
|
lang_target_statement_type target_statement;
|
|
|
|
|
lang_output_statement_type output_statement;
|
|
|
|
|
lang_input_section_type input_section;
|
|
|
|
|
lang_common_statement_type common_statement;
|
|
|
|
|
lang_object_symbols_statement_type object_symbols_statement;
|
|
|
|
|
lang_fill_statement_type fill_statement;
|
|
|
|
|
lang_padding_statement_type padding_statement;
|
|
|
|
|
lang_group_statement_type group_statement;
|
ld/
* ld.texinfo (INSERT): Describe.
* ldgram.y (ldgram_in_script, ldgram_had_equals): Delete.
(INSERT_K, AFTER, BEFORE): Add as tokens.
(ifile_p1): Handle INSERT statements.
(saved_script_handle, force_make_executable): Move to..
* ldmain.c: ..here.
(previous_script_handle): New global var.
* ldmain.h (saved_script_handle, force_make_executable): Declare.
(previous_script_handle): Likewise.
* ldlex.l (INSERT_K, AFTER, BEFORE): Add tokens.
* lexsup.c (parge_args <-T>): Set previous_script_handle.
* ldlang.c (lang_for_each_statement_worker): Handle insert statement.
(map_input_to_output_sections, print_statement): Likewise.
(lang_size_sections_1, lang_do_assignments_1): Likewise.
(insert_os_after): New function, extracted from..
(lang_insert_orphan): ..here.
(process_insert_statements): New function.
(lang_process): Call it.
(lang_add_insert): New function.
* ldlang.h (lang_insert_statement_enum): New.
(lang_insert_statement_type): New.
(lang_statement_union_type): Add insert_statement.
(lang_add_insert): Declare.
ld/testsuite/
* ld-spu/ovl.lnk: Delete overlay.
* ld-spu/ovl1.lnk: New file.
* ld-spu/ovl2.lnk: New file.
* ld-spu/ovl.d: Update.
* ld-spu/ovl2.d: Update.
2008-01-25 20:03:37 +08:00
|
|
|
lang_insert_statement_type insert_statement;
|
1999-05-03 15:29:11 +08:00
|
|
|
} lang_statement_union_type;
|
|
|
|
|
|
|
|
|
|
/* This structure holds information about a program header, from the
|
|
|
|
|
PHDRS command in the linker script. */
|
|
|
|
|
|
2004-01-13 19:10:53 +08:00
|
|
|
struct lang_phdr
|
|
|
|
|
{
|
1999-05-03 15:29:11 +08:00
|
|
|
struct lang_phdr *next;
|
|
|
|
|
const char *name;
|
|
|
|
|
unsigned long type;
|
2002-11-30 16:39:46 +08:00
|
|
|
bfd_boolean filehdr;
|
|
|
|
|
bfd_boolean phdrs;
|
1999-05-03 15:29:11 +08:00
|
|
|
etree_type *at;
|
|
|
|
|
etree_type *flags;
|
|
|
|
|
};
|
|
|
|
|
|
2006-06-21 00:37:29 +08:00
|
|
|
extern struct lang_phdr *lang_phdr_list;
|
|
|
|
|
|
1999-05-03 15:29:11 +08:00
|
|
|
/* This structure is used to hold a list of sections which may not
|
|
|
|
|
cross reference each other. */
|
|
|
|
|
|
2004-01-13 19:10:53 +08:00
|
|
|
typedef struct lang_nocrossref
|
|
|
|
|
{
|
1999-05-03 15:29:11 +08:00
|
|
|
struct lang_nocrossref *next;
|
|
|
|
|
const char *name;
|
2004-01-13 19:10:53 +08:00
|
|
|
} lang_nocrossref_type;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
|
|
|
|
/* The list of nocrossref lists. */
|
|
|
|
|
|
2004-01-13 19:10:53 +08:00
|
|
|
struct lang_nocrossrefs
|
|
|
|
|
{
|
1999-05-03 15:29:11 +08:00
|
|
|
struct lang_nocrossrefs *next;
|
2004-01-13 19:10:53 +08:00
|
|
|
lang_nocrossref_type *list;
|
1999-05-03 15:29:11 +08:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
extern struct lang_nocrossrefs *nocrossref_list;
|
|
|
|
|
|
2001-01-14 12:36:35 +08:00
|
|
|
/* This structure is used to hold a list of input section names which
|
|
|
|
|
will not match an output section in the linker script. */
|
|
|
|
|
|
2004-01-13 19:10:53 +08:00
|
|
|
struct unique_sections
|
|
|
|
|
{
|
2001-01-14 12:36:35 +08:00
|
|
|
struct unique_sections *next;
|
|
|
|
|
const char *name;
|
|
|
|
|
};
|
|
|
|
|
|
2003-10-11 17:16:20 +08:00
|
|
|
/* This structure records symbols for which we need to keep track of
|
|
|
|
|
definedness for use in the DEFINED () test. */
|
|
|
|
|
|
2004-01-13 19:10:53 +08:00
|
|
|
struct lang_definedness_hash_entry
|
|
|
|
|
{
|
2003-10-11 17:16:20 +08:00
|
|
|
struct bfd_hash_entry root;
|
|
|
|
|
int iteration;
|
|
|
|
|
};
|
|
|
|
|
|
2004-10-14 20:54:47 +08:00
|
|
|
/* Used by place_orphan to keep track of orphan sections and statements. */
|
|
|
|
|
|
2009-03-03 01:27:36 +08:00
|
|
|
struct orphan_save
|
|
|
|
|
{
|
2004-10-14 20:54:47 +08:00
|
|
|
const char *name;
|
|
|
|
|
flagword flags;
|
|
|
|
|
lang_output_section_statement_type *os;
|
|
|
|
|
asection **section;
|
|
|
|
|
lang_statement_union_type **stmt;
|
|
|
|
|
lang_output_section_statement_type **os_tail;
|
|
|
|
|
};
|
|
|
|
|
|
2009-08-30 13:47:43 +08:00
|
|
|
extern const char *output_target;
|
1999-05-03 15:29:11 +08:00
|
|
|
extern lang_output_section_statement_type *abs_output_section;
|
2000-04-25 13:14:16 +08:00
|
|
|
extern lang_statement_list_type lang_output_section_statement;
|
2002-11-30 16:39:46 +08:00
|
|
|
extern bfd_boolean lang_has_input_file;
|
1999-05-03 15:29:11 +08:00
|
|
|
extern etree_type *base;
|
|
|
|
|
extern lang_statement_list_type *stat_ptr;
|
2002-11-30 16:39:46 +08:00
|
|
|
extern bfd_boolean delete_output_file_on_failure;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
2002-07-01 16:07:31 +08:00
|
|
|
extern struct bfd_sym_chain entry_symbol;
|
2002-02-10 18:55:23 +08:00
|
|
|
extern const char *entry_section;
|
2002-11-30 16:39:46 +08:00
|
|
|
extern bfd_boolean entry_from_cmdline;
|
2000-07-11 11:42:41 +08:00
|
|
|
extern lang_statement_list_type file_chain;
|
2007-03-26 19:10:44 +08:00
|
|
|
extern lang_statement_list_type input_file_chain;
|
1999-05-03 15:29:11 +08:00
|
|
|
|
2003-10-11 17:16:20 +08:00
|
|
|
extern int lang_statement_iteration;
|
2010-01-21 18:31:32 +08:00
|
|
|
extern bfd_boolean missing_file;
|
2003-10-11 17:16:20 +08:00
|
|
|
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_init
|
2003-06-28 13:28:54 +08:00
|
|
|
(void);
|
2005-10-01 01:45:54 +08:00
|
|
|
extern void lang_finish
|
|
|
|
|
(void);
|
2009-03-03 01:27:36 +08:00
|
|
|
extern lang_memory_region_type * lang_memory_region_lookup
|
|
|
|
|
(const char * const, bfd_boolean);
|
|
|
|
|
extern void lang_memory_region_alias
|
|
|
|
|
(const char *, const char *);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_map
|
2003-06-28 13:28:54 +08:00
|
|
|
(void);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_set_flags
|
2003-06-28 13:28:54 +08:00
|
|
|
(lang_memory_region_type *, const char *, int);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_add_output
|
2003-06-28 13:28:54 +08:00
|
|
|
(const char *, int from_script);
|
2000-04-25 13:14:16 +08:00
|
|
|
extern lang_output_section_statement_type *lang_enter_output_section_statement
|
2003-06-28 13:28:54 +08:00
|
|
|
(const char *output_section_statement_name,
|
|
|
|
|
etree_type *address_exp,
|
|
|
|
|
enum section_type sectype,
|
|
|
|
|
etree_type *align,
|
|
|
|
|
etree_type *subalign,
|
2004-05-19 22:01:14 +08:00
|
|
|
etree_type *, int);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_final
|
2003-06-28 13:28:54 +08:00
|
|
|
(void);
|
2009-08-10 15:50:56 +08:00
|
|
|
extern void lang_relax_sections
|
|
|
|
|
(bfd_boolean);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_process
|
2003-06-28 13:28:54 +08:00
|
|
|
(void);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_section_start
|
2004-10-27 02:41:52 +08:00
|
|
|
(const char *, union etree_union *, const segment_type *);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_add_entry
|
2003-06-28 13:28:54 +08:00
|
|
|
(const char *, bfd_boolean);
|
2005-06-01 12:04:19 +08:00
|
|
|
extern void lang_default_entry
|
|
|
|
|
(const char *);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_add_target
|
2003-06-28 13:28:54 +08:00
|
|
|
(const char *);
|
1999-05-03 15:29:11 +08:00
|
|
|
extern void lang_add_wild
|
2003-06-28 13:28:54 +08:00
|
|
|
(struct wildcard_spec *, struct wildcard_list *, bfd_boolean);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_add_map
|
2003-06-28 13:28:54 +08:00
|
|
|
(const char *);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_add_fill
|
2003-06-28 13:28:54 +08:00
|
|
|
(fill_type *);
|
|
|
|
|
extern lang_assignment_statement_type *lang_add_assignment
|
|
|
|
|
(union etree_union *);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_add_attribute
|
2003-06-28 13:28:54 +08:00
|
|
|
(enum statement_enum);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_startup
|
2003-06-28 13:28:54 +08:00
|
|
|
(const char *);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_float
|
2003-06-28 13:28:54 +08:00
|
|
|
(bfd_boolean);
|
1999-05-03 15:29:11 +08:00
|
|
|
extern void lang_leave_output_section_statement
|
2004-01-13 19:10:53 +08:00
|
|
|
(fill_type *, const char *, lang_output_section_phdr_list *,
|
2003-06-28 13:28:54 +08:00
|
|
|
const char *);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_abs_symbol_at_end_of
|
2003-06-28 13:28:54 +08:00
|
|
|
(const char *, const char *);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_abs_symbol_at_beginning_of
|
2003-06-28 13:28:54 +08:00
|
|
|
(const char *, const char *);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_statement_append
|
2004-01-13 19:10:53 +08:00
|
|
|
(lang_statement_list_type *, lang_statement_union_type *,
|
|
|
|
|
lang_statement_union_type **);
|
1999-05-03 15:29:11 +08:00
|
|
|
extern void lang_for_each_input_file
|
2003-06-28 13:28:54 +08:00
|
|
|
(void (*dothis) (lang_input_statement_type *));
|
1999-05-03 15:29:11 +08:00
|
|
|
extern void lang_for_each_file
|
2003-06-28 13:28:54 +08:00
|
|
|
(void (*dothis) (lang_input_statement_type *));
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_reset_memory_regions
|
2003-06-28 13:28:54 +08:00
|
|
|
(void);
|
2003-12-04 20:09:25 +08:00
|
|
|
extern void lang_do_assignments
|
2011-05-03 22:56:14 +08:00
|
|
|
(lang_phase_type);
|
1999-05-03 15:29:11 +08:00
|
|
|
|
2002-12-08 11:56:04 +08:00
|
|
|
#define LANG_FOR_EACH_INPUT_STATEMENT(statement) \
|
|
|
|
|
lang_input_statement_type *statement; \
|
|
|
|
|
for (statement = (lang_input_statement_type *) file_chain.head; \
|
|
|
|
|
statement != (lang_input_statement_type *) NULL; \
|
|
|
|
|
statement = (lang_input_statement_type *) statement->next) \
|
2000-09-29 21:21:41 +08:00
|
|
|
|
2008-09-07 12:02:31 +08:00
|
|
|
#define lang_output_section_find(NAME) \
|
|
|
|
|
lang_output_section_statement_lookup (NAME, 0, FALSE)
|
|
|
|
|
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_process
|
2003-06-28 13:28:54 +08:00
|
|
|
(void);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void ldlang_add_file
|
2003-06-28 13:28:54 +08:00
|
|
|
(lang_input_statement_type *);
|
2004-10-14 20:54:47 +08:00
|
|
|
extern lang_output_section_statement_type *lang_output_section_find_by_flags
|
2005-11-24 14:02:08 +08:00
|
|
|
(const asection *, lang_output_section_statement_type **,
|
|
|
|
|
lang_match_sec_type_func);
|
2004-10-14 20:54:47 +08:00
|
|
|
extern lang_output_section_statement_type *lang_insert_orphan
|
2008-10-04 14:08:59 +08:00
|
|
|
(asection *, const char *, int, lang_output_section_statement_type *,
|
2005-11-17 08:10:05 +08:00
|
|
|
struct orphan_save *, etree_type *, lang_statement_list_type *);
|
1999-05-03 15:29:11 +08:00
|
|
|
extern lang_input_statement_type *lang_add_input_file
|
2003-06-28 13:28:54 +08:00
|
|
|
(const char *, lang_input_file_enum_type, const char *);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_add_keepsyms_file
|
2003-06-28 13:28:54 +08:00
|
|
|
(const char *);
|
2008-09-07 12:02:31 +08:00
|
|
|
extern lang_output_section_statement_type *lang_output_section_statement_lookup
|
ld/
* ldlang.c (lang_output_section_statement_lookup): Add function
comment. Make "name" non-const. Ensure duplicate entries use
the same string, allowing simple comparison in hash bucket loop.
Tweak constraint check.
(next_matching_output_section_statement): New function.
* ldlang.h (lang_output_section_statement_lookup): Update.
(next_matching_output_section_statement): Declare.
* emultempl/elf32.em (gld${EMULATION_NAME}_place_orphan): Don't
combine orphan sections when input sections flags differ in
alloc or load.
* emultempl/pe.em: Formatting throughout.
(gld${EMULATION_NAME}_place_orphan): As for elf32.em.
* emultempl/pep.em: Formatting throughout.
(gld${EMULATION_NAME}_place_orphan): As for elf32.em.
ld/testsuite/
* ld-elf/orphan3.d, * ld-elf/orphan3a.s, * ld-elf/orphan3b.s,
* ld-elf/orphan3c.s, * ld-elf/orphan3d.s, * ld-elf/orphan3e.s,
* ld-elf/orphan3f.s: New test.
* ld-pe/orphan.d, * ld-pe/orphana.s, * ld-pe/orphanb.s,
* ld-pe/orphand.s, * ld-pe/orphane.s: New test.
* ld-pe/direct.exp: Use is_pecoff_format.
* ld-pe/longsecn.exp: Delete.
* ld-pe/pe.exp: Run new test and longsecn tests.
2009-05-15 22:22:36 +08:00
|
|
|
(const char *, int, bfd_boolean);
|
|
|
|
|
extern lang_output_section_statement_type *next_matching_output_section_statement
|
|
|
|
|
(lang_output_section_statement_type *, int);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void ldlang_add_undef
|
2010-10-28 14:45:33 +08:00
|
|
|
(const char *const, bfd_boolean);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_add_output_format
|
2003-06-28 13:28:54 +08:00
|
|
|
(const char *, const char *, const char *, int);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_list_init
|
2003-06-28 13:28:54 +08:00
|
|
|
(lang_statement_list_type *);
|
2009-02-16 15:25:52 +08:00
|
|
|
extern void push_stat_ptr
|
|
|
|
|
(lang_statement_list_type *);
|
|
|
|
|
extern void pop_stat_ptr
|
|
|
|
|
(void);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_add_data
|
2003-06-28 13:28:54 +08:00
|
|
|
(int type, union etree_union *);
|
1999-05-03 15:29:11 +08:00
|
|
|
extern void lang_add_reloc
|
2003-06-28 13:28:54 +08:00
|
|
|
(bfd_reloc_code_real_type, reloc_howto_type *, asection *, const char *,
|
|
|
|
|
union etree_union *);
|
1999-05-03 15:29:11 +08:00
|
|
|
extern void lang_for_each_statement
|
2003-06-28 13:28:54 +08:00
|
|
|
(void (*) (lang_statement_union_type *));
|
2010-09-10 09:23:12 +08:00
|
|
|
extern void lang_for_each_statement_worker
|
|
|
|
|
(void (*) (lang_statement_union_type *), lang_statement_union_type *);
|
2003-06-28 13:28:54 +08:00
|
|
|
extern void *stat_alloc
|
|
|
|
|
(size_t);
|
2005-05-04 19:00:28 +08:00
|
|
|
extern void strip_excluded_output_sections
|
|
|
|
|
(void);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void dprint_statement
|
2003-06-28 13:28:54 +08:00
|
|
|
(lang_statement_union_type *, int);
|
* ld.h (lang_phase_type): Move to..
* ldexp.h: ..here. Add lang_mark_phase_enum.
(node_type): Remove etree_undef and etree_unspec.
(exp_data_seg): Delete.
(struct ldexp_control, expld): New.
(invalid, exp_mark_used_section): Delete.
(exp_fold_tree, exp_get_vma, exp_get_value_int, exp_get_fill,
exp_get_abs_int): Update prototypes.
* ldexp.c (assigning_to_dot): Delete.
(expld): Define.
(make_abs): Operate directly on expld.result. Update all callers.
(new_abs): Likewise. Return void.
(new_rel_from_abs): Rename from new_rel_from_section.
(new_rel, new_rel_from_abs): Operate on expld.result and return void.
Update all callers.
(fold_unary): Operate on expld.result and return void. Remove
"current_section", "allocation_done", "dot", "dotp" and "mark_used"
params. Update all callers.
(fold_binary, fold_trinary, fold_name, exp_fold_tree_1): Likewise.
(fold_unary <ALIGN_K>): Ensure alignment is absolute.
(fold_unary <ABSOLUTE>): Use make_abs.
(fold_unary <DATA_SEGMENT_END>): Evaluate mark_phase as for
allocating_phase.
(fold_binary <DATA_SEGMENT_ALIGN, DATA_SEGMENT_RELRO_END, >): Ditto.
(fold_binary <'%','/'>): Don't error if marking.
(fold_name <SIZEOF_HEADERS>): Don't call bfd_sizeof_headers when
marking.
(fold_name <NAME>): Remove FIXME; -R is handled correctly. Don't
error when marking.
(fold_name <ADDR, LOADADDR, SIZEOF>): Don't set SEC_KEEP.
(exp_fold_tree_1): Don't error when marking.
(exp_fold_tree_1 <etree_rel>): Evaluate in all phases except first.
(exp_fold_tree_1 <etree_assign to dot>): Don't check for NULL
current section, instead check for NULL dotp.
(exp_fold_tree_1 <etree_provide>): Don't evaluate the assignment
source unless the symbol is referenced and undefined.
(exp_fold_tree): Remove "allocation_done" and "dot" params. Save
params to expld.
(exp_fold_tree_no_dot): Remove "current_section", "allocation_done
and "mark_used" params. Save params to expld. Update all callers.
(exp_assop): Do without temp var.
(exp_print_tree <etree_undef>): Delete code.
(exp_get_vma): Remove "allocation_done" param. Correct error return.
(exp_get_fill, exp_get_abs_int): Likewise.
(exp_get_value_int): Remove "allocation_done" param.
(exp_mark_used_section): Delete.
* ldgram.y (fill_exp): Update exp_get_fill call.
(origin_spec, length_spec): Update exp_get_vma call.
* ldlang.c (lang_init): Don't bother clearing lang_statement_iteration.
(lang_mark_used_section_1, lang_mark_used_section): Delete.
(strip_excluded_output_sections): Call one_lang_size_sections_pass in
marking mode. Merge old lang_mark_used_section code. Correct handling
of output sections with excluded input sections and data statements.
Don't drop non-zero sized sections. Don't zap os->bfd_section.
Do set SEC_EXCLUDE when appropriate.
(print_output_section_statement): Update for changed ldexp.c
interface.
(print_assignment, lang_size_sections_1): Likewise.
(lang_do_assignments_1, lang_enter_output_section_statement): Likewise.
(lang_new_phdr, lang_record_phdrs): Likewise.
(lang_size_sections): Likewise.
(insert_pad): Use following statement if it is a pad, rather than
creating a new one.
(lang_size_sections_1 <lang_output_section_statement_enum>): Do
process ignored output section to set vma and lma, but don't
update dot for these sections. Don't error if marking.
(lang_size_sections_1 <lang_assignment_statement_enum>): Don't
update dot for ignored sections.
(lang_size_sections_1 <lang_data_statement_enum>): Don't mark absolute
section with SEC_ALLOC.
(one_lang_size_sections_pass): New function.
(lang_size_sections): Remove first five params. Set expld.phase on
entry and exit. Use one_lang_size_sections_pass.
(lang_do_assignments): Remove all params. Update all callers.
(lang_reset_memory_regions): Clear os->processed for all output
section statements.
* ldlang.h (lang_do_assignments): Update prototype.
(lang_size_sections): Likewise.
(one_lang_size_sections_pass): Declare.
* pe-dll.c (pe_dll_fill_sections, pe_exe_fill_sections): Update
lang_size_sections and lang_do_assignments calls.
* emultempl/elf32.em (layout_sections_again): Likewise.
* emultempl/ppc64elf.em (ppc_before_allocation): Use
one_lang_size_sections_pass.
2005-06-09 10:05:47 +08:00
|
|
|
extern void lang_size_sections
|
|
|
|
|
(bfd_boolean *, bfd_boolean);
|
|
|
|
|
extern void one_lang_size_sections_pass
|
|
|
|
|
(bfd_boolean *, bfd_boolean);
|
ld/
* ld.texinfo (INSERT): Describe.
* ldgram.y (ldgram_in_script, ldgram_had_equals): Delete.
(INSERT_K, AFTER, BEFORE): Add as tokens.
(ifile_p1): Handle INSERT statements.
(saved_script_handle, force_make_executable): Move to..
* ldmain.c: ..here.
(previous_script_handle): New global var.
* ldmain.h (saved_script_handle, force_make_executable): Declare.
(previous_script_handle): Likewise.
* ldlex.l (INSERT_K, AFTER, BEFORE): Add tokens.
* lexsup.c (parge_args <-T>): Set previous_script_handle.
* ldlang.c (lang_for_each_statement_worker): Handle insert statement.
(map_input_to_output_sections, print_statement): Likewise.
(lang_size_sections_1, lang_do_assignments_1): Likewise.
(insert_os_after): New function, extracted from..
(lang_insert_orphan): ..here.
(process_insert_statements): New function.
(lang_process): Call it.
(lang_add_insert): New function.
* ldlang.h (lang_insert_statement_enum): New.
(lang_insert_statement_type): New.
(lang_statement_union_type): Add insert_statement.
(lang_add_insert): Declare.
ld/testsuite/
* ld-spu/ovl.lnk: Delete overlay.
* ld-spu/ovl1.lnk: New file.
* ld-spu/ovl2.lnk: New file.
* ld-spu/ovl.d: Update.
* ld-spu/ovl2.d: Update.
2008-01-25 20:03:37 +08:00
|
|
|
extern void lang_add_insert
|
|
|
|
|
(const char *, int);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_enter_group
|
2003-06-28 13:28:54 +08:00
|
|
|
(void);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_leave_group
|
2003-06-28 13:28:54 +08:00
|
|
|
(void);
|
2001-08-14 10:01:31 +08:00
|
|
|
extern void lang_add_section
|
2003-06-28 13:28:54 +08:00
|
|
|
(lang_statement_list_type *, asection *,
|
2005-11-17 08:10:05 +08:00
|
|
|
lang_output_section_statement_type *);
|
1999-05-03 15:29:11 +08:00
|
|
|
extern void lang_new_phdr
|
2003-06-28 13:28:54 +08:00
|
|
|
(const char *, etree_type *, bfd_boolean, bfd_boolean, etree_type *,
|
|
|
|
|
etree_type *);
|
2002-12-08 11:56:04 +08:00
|
|
|
extern void lang_add_nocrossref
|
2004-01-13 19:10:53 +08:00
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(lang_nocrossref_type *);
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2002-12-08 11:56:04 +08:00
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extern void lang_enter_overlay
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2003-07-27 19:58:28 +08:00
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(etree_type *, etree_type *);
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2002-12-08 11:56:04 +08:00
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extern void lang_enter_overlay_section
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2003-06-28 13:28:54 +08:00
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(const char *);
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1999-05-03 15:29:11 +08:00
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extern void lang_leave_overlay_section
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2004-01-13 19:10:53 +08:00
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(fill_type *, lang_output_section_phdr_list *);
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1999-05-03 15:29:11 +08:00
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extern void lang_leave_overlay
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2003-06-28 13:28:54 +08:00
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(etree_type *, int, fill_type *, const char *,
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2004-01-13 19:10:53 +08:00
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lang_output_section_phdr_list *, const char *);
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1999-05-03 15:29:11 +08:00
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2002-02-14 12:24:33 +08:00
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extern struct bfd_elf_version_expr *lang_new_vers_pattern
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2005-10-14 01:29:57 +08:00
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(struct bfd_elf_version_expr *, const char *, const char *, bfd_boolean);
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1999-05-03 15:29:11 +08:00
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extern struct bfd_elf_version_tree *lang_new_vers_node
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2003-06-28 13:28:54 +08:00
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(struct bfd_elf_version_expr *, struct bfd_elf_version_expr *);
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1999-05-03 15:29:11 +08:00
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extern struct bfd_elf_version_deps *lang_add_vers_depend
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2003-06-28 13:28:54 +08:00
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(struct bfd_elf_version_deps *, const char *);
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1999-05-03 15:29:11 +08:00
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extern void lang_register_vers_node
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2003-06-28 13:28:54 +08:00
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(const char *, struct bfd_elf_version_tree *, struct bfd_elf_version_deps *);
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2006-09-08 01:16:34 +08:00
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extern void lang_append_dynamic_list (struct bfd_elf_version_expr *);
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extern void lang_append_dynamic_list_cpp_typeinfo (void);
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2007-01-16 22:56:32 +08:00
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extern void lang_append_dynamic_list_cpp_new (void);
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2002-12-08 11:56:04 +08:00
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extern void lang_add_unique
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2003-06-28 13:28:54 +08:00
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(const char *);
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2002-12-08 11:56:04 +08:00
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extern const char *lang_get_output_target
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2003-06-28 13:28:54 +08:00
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(void);
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2003-10-11 17:16:20 +08:00
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extern void lang_track_definedness (const char *);
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extern int lang_symbol_definition_iteration (const char *);
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extern void lang_update_definedness
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(const char *, struct bfd_link_hash_entry *);
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1999-05-03 15:29:11 +08:00
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2004-10-17 02:13:54 +08:00
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extern void add_excluded_libs (const char *);
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2006-10-25 14:49:21 +08:00
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extern bfd_boolean load_symbols
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(lang_input_statement_type *, lang_statement_list_type *);
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2004-10-17 02:13:54 +08:00
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2007-02-22 00:43:50 +08:00
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extern bfd_boolean
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ldlang_override_segment_assignment
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(struct bfd_link_info *, bfd *, asection *, asection *, bfd_boolean);
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2011-01-13 21:29:55 +08:00
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extern void
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lang_ld_feature (char *);
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1999-05-03 15:29:11 +08:00
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#endif
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