755f42fe99
(lang_size_sections): If the canonical symbols have not already been read in, read them in before relaxing. * ldlang.h (relaxing): Removed declaration.
376 lines
11 KiB
C
376 lines
11 KiB
C
/* ldlang.h - linker command language support
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Copyright 1991, 1992, 1993 Free Software Foundation, Inc.
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This file is part of GLD, the Gnu Linker.
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GLD is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GLD is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GLD; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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#ifndef LDLANG_H
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#define LDLANG_H
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typedef enum
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{
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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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typedef unsigned int fill_type;
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typedef struct statement_list
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{
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union lang_statement_union *head;
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union lang_statement_union **tail;
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} lang_statement_list_type;
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typedef struct memory_region_struct
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{
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char *name;
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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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bfd_size_type old_length;
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int flags;
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boolean had_full_message;
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} lang_memory_region_type ;
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typedef struct lang_statement_header_struct
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{
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union lang_statement_union *next;
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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_target_statement_enum,
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lang_output_statement_enum,
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lang_padding_statement_enum,
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lang_afile_asection_pair_statement_enum,
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lang_constructors_statement_enum
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} type;
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} lang_statement_header_type;
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typedef struct
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{
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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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typedef struct lang_target_statement_struct
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{
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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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typedef struct lang_output_statement_struct
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{
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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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typedef struct lang_output_section_statement_struct
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{
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lang_statement_header_type header;
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union etree_union *addr_tree;
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lang_statement_list_type children;
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const char *memspec;
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union lang_statement_union *next;
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const char *name;
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boolean processed;
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asection *bfd_section;
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int flags; /* Or together of all input sections */
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int loadable; /* set from NOLOAD flag in script */
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struct memory_region_struct *region;
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size_t block_value;
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fill_type fill;
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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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union etree_union *load_base;
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} lang_output_section_statement_type;
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typedef struct
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{
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lang_statement_header_type header;
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} lang_common_statement_type;
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typedef struct
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{
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lang_statement_header_type header;
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} lang_object_symbols_statement_type;
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typedef struct
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{
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lang_statement_header_type header;
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fill_type fill;
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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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typedef struct
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{
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lang_statement_header_type header;
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unsigned int type;
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union etree_union *exp;
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bfd_vma value;
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asection *output_section;
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bfd_vma output_vma;
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} lang_data_statement_type;
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typedef struct lang_input_statement_struct
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{
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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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/* 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 -l
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this is the -l switch itself rather than the filename. */
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const char *local_sym_name;
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bfd *the_bfd;
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boolean closed;
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file_ptr passive_position;
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/* Symbol table of the file. */
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asymbol **asymbols;
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unsigned int symbol_count;
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/* For library members only */
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/* For a library, points to chain of entries for the library members. */
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struct lang_input_statement_struct *subfiles;
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/* Size of contents of this file, if library member. */
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bfd_size_type total_size;
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/* For library member, points to the library's own entry. */
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struct lang_input_statement_struct *superfile;
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/* For library member, points to next entry for next member. */
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struct lang_input_statement_struct *chain;
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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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union lang_statement_union *next;
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/* Point to the next file, but skips archive contents */
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union lang_statement_union *next_real_file;
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boolean is_archive;
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/* 1 means search a set of directories for this file. */
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boolean search_dirs_flag;
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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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Also default text_start to after this file's bss. */
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boolean just_syms_flag;
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boolean loaded;
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/* unsigned int globals_in_this_file;*/
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const char *target;
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boolean real;
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asection *common_section;
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asection *common_output_section;
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boolean complained;
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} lang_input_statement_type;
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typedef struct
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{
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lang_statement_header_type header;
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asection *section;
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lang_input_statement_type *ifile;
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} lang_input_section_type;
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typedef struct
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{
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lang_statement_header_type header;
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asection *section;
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union lang_statement_union *file;
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} lang_afile_asection_pair_statement_type;
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typedef struct lang_wild_statement_struct
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{
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lang_statement_header_type header;
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const char *section_name;
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const char *filename;
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lang_statement_list_type children;
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} lang_wild_statement_type;
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typedef struct lang_address_statement_struct
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{
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lang_statement_header_type header;
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const char *section_name;
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union etree_union *address;
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} lang_address_statement_type;
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typedef struct
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{
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lang_statement_header_type header;
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bfd_vma output_offset;
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size_t size;
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asection *output_section;
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fill_type fill;
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} lang_padding_statement_type;
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typedef union lang_statement_union
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{
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lang_statement_header_type header;
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union lang_statement_union *next;
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lang_wild_statement_type wild_statement;
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lang_data_statement_type data_statement;
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lang_address_statement_type address_statement;
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lang_output_section_statement_type output_section_statement;
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lang_afile_asection_pair_statement_type afile_asection_pair_statement;
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lang_assignment_statement_type assignment_statement;
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lang_input_statement_type input_statement;
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lang_target_statement_type target_statement;
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lang_output_statement_type output_statement;
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lang_input_section_type input_section;
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lang_common_statement_type common_statement;
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lang_object_symbols_statement_type object_symbols_statement;
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lang_fill_statement_type fill_statement;
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lang_padding_statement_type padding_statement;
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} lang_statement_union_type;
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extern bfd_size_type largest_section;
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extern lang_output_section_statement_type *abs_output_section;
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extern boolean lang_has_input_file;
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extern etree_type *base;
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extern lang_statement_list_type *stat_ptr;
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extern boolean delete_output_file_on_failure;
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extern void lang_init PARAMS ((void));
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extern struct memory_region_struct *lang_memory_region_lookup
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PARAMS ((const char *const));
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extern void lang_map PARAMS ((void));
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extern void lang_set_flags PARAMS ((int *, const char *));
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extern void lang_add_output PARAMS ((const char *, int from_script));
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extern void lang_enter_output_section_statement
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PARAMS ((const char *output_section_statement_name,
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etree_type * address_exp,
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int flags,
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bfd_vma block_value,
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etree_type *align,
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etree_type *subalign,
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etree_type *));
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extern void lang_final PARAMS ((void));
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extern void lang_process PARAMS ((void));
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extern void lang_section_start PARAMS ((const char *, union etree_union *));
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extern void lang_add_entry PARAMS ((const char *));
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extern void lang_add_target PARAMS ((const char *));
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extern void lang_add_wild PARAMS ((const char *const , const char *const));
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extern void lang_add_map PARAMS ((const char *));
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extern void lang_add_fill PARAMS ((int));
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extern void lang_add_assignment PARAMS ((union etree_union *));
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extern void lang_add_attribute PARAMS ((enum statement_enum));
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extern void lang_startup PARAMS ((const char *));
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extern void lang_float PARAMS ((enum bfd_boolean));
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extern void lang_leave_output_section_statement PARAMS ((bfd_vma,
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const char *));
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extern void lang_abs_symbol_at_end_of PARAMS ((const char *, const char *));
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extern void lang_abs_symbol_at_beginning_of PARAMS ((const char *,
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const char *));
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extern void lang_statement_append PARAMS ((struct statement_list *,
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union lang_statement_union *,
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union lang_statement_union **));
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extern void lang_for_each_file
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PARAMS ((void (*dothis) (lang_input_statement_type *)));
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#define LANG_FOR_EACH_INPUT_STATEMENT(statement) \
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extern lang_statement_list_type file_chain; \
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lang_input_statement_type *statement; \
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for (statement = (lang_input_statement_type *)file_chain.head;\
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statement != (lang_input_statement_type *)NULL; \
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statement = (lang_input_statement_type *)statement->next)\
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#define LANG_FOR_EACH_INPUT_SECTION(statement, abfd, section, x) \
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{ \
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extern lang_statement_list_type file_chain; \
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lang_input_statement_type *statement; \
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for (statement = (lang_input_statement_type *)file_chain.head; \
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statement != (lang_input_statement_type *)NULL; \
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statement = (lang_input_statement_type *)statement->next) \
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{ \
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asection *section; \
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bfd *abfd = statement->the_bfd; \
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for (section = abfd->sections; \
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section != (asection *)NULL; \
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section = section->next) \
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{ \
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x; \
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} \
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} \
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}
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#define LANG_FOR_EACH_OUTPUT_SECTION(section, x) \
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{ \
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extern bfd *output_bfd; \
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asection *section; \
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for (section = output_bfd->sections; \
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section != (asection *)NULL; \
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section = section->next) \
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{ \
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x; \
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} \
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}
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extern void lang_process PARAMS ((void));
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extern void ldlang_add_file PARAMS ((lang_input_statement_type *));
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extern lang_output_section_statement_type *lang_output_section_find
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PARAMS ((const char * const));
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extern lang_input_statement_type *lang_add_input_file
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PARAMS ((const char *name, lang_input_file_enum_type file_type,
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const char *target));
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extern void lang_add_keepsyms_file PARAMS ((const char *filename));
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extern lang_output_section_statement_type *
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lang_output_section_statement_lookup PARAMS ((const char * const name));
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extern void ldlang_add_undef PARAMS ((const char *const name));
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extern void lang_add_output_format PARAMS ((const char *, int from_script));
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extern void lang_list_init PARAMS ((lang_statement_list_type*));
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extern void lang_add_data PARAMS ((int type, union etree_union *));
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extern void lang_for_each_statement
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PARAMS ((void (*func) (lang_statement_union_type *)));
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extern PTR stat_alloc PARAMS ((size_t size));
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#endif
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