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Diffstat (limited to 'contrib/binutils/ld/ldlang.h')
| -rw-r--r-- | contrib/binutils/ld/ldlang.h | 569 |
1 files changed, 0 insertions, 569 deletions
diff --git a/contrib/binutils/ld/ldlang.h b/contrib/binutils/ld/ldlang.h deleted file mode 100644 index 649fea1..0000000 --- a/contrib/binutils/ld/ldlang.h +++ /dev/null @@ -1,569 +0,0 @@ -/* ldlang.h - linker command language support - Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001, 2002, 2003, 2004 - Free Software Foundation, Inc. - - This file is part of GLD, the Gnu Linker. - - GLD is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2, or (at your option) - any later version. - - GLD is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with GLD; see the file COPYING. If not, write to the Free - Software Foundation, 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ - -#ifndef LDLANG_H -#define LDLANG_H - -#define DEFAULT_MEMORY_REGION "*default*" - -typedef enum -{ - lang_input_file_is_l_enum, - lang_input_file_is_symbols_only_enum, - lang_input_file_is_marker_enum, - lang_input_file_is_fake_enum, - lang_input_file_is_search_file_enum, - lang_input_file_is_file_enum -} lang_input_file_enum_type; - -struct _fill_type -{ - size_t size; - unsigned char data[1]; -}; - -typedef struct statement_list -{ - union lang_statement_union *head; - union lang_statement_union **tail; -} lang_statement_list_type; - -typedef struct memory_region_struct -{ - char *name; - struct memory_region_struct *next; - bfd_vma origin; - bfd_size_type length; - bfd_vma current; - bfd_size_type old_length; - flagword flags; - flagword not_flags; - bfd_boolean had_full_message; -} lang_memory_region_type; - -typedef struct lang_statement_header_struct -{ - union lang_statement_union *next; - enum statement_enum - { - lang_output_section_statement_enum, - lang_assignment_statement_enum, - lang_input_statement_enum, - lang_address_statement_enum, - lang_wild_statement_enum, - lang_input_section_enum, - lang_object_symbols_statement_enum, - lang_fill_statement_enum, - lang_data_statement_enum, - lang_reloc_statement_enum, - lang_target_statement_enum, - lang_output_statement_enum, - lang_padding_statement_enum, - lang_group_statement_enum, - - lang_afile_asection_pair_statement_enum, - lang_constructors_statement_enum - } type; -} lang_statement_header_type; - -typedef struct -{ - lang_statement_header_type header; - union etree_union *exp; -} lang_assignment_statement_type; - -typedef struct lang_target_statement_struct -{ - lang_statement_header_type header; - const char *target; -} lang_target_statement_type; - -typedef struct lang_output_statement_struct -{ - lang_statement_header_type header; - const char *name; -} lang_output_statement_type; - -/* Section types specified in a linker script. */ - -enum section_type -{ - normal_section, - dsect_section, - copy_section, - noload_section, - info_section, - overlay_section -}; - -/* This structure holds a list of program headers describing - segments in which this section should be placed. */ - -typedef struct lang_output_section_phdr_list -{ - struct lang_output_section_phdr_list *next; - const char *name; - bfd_boolean used; -} lang_output_section_phdr_list; - -typedef struct lang_output_section_statement_struct -{ - lang_statement_header_type header; - union etree_union *addr_tree; - lang_statement_list_type children; - const char *memspec; - union lang_statement_union *next; - const char *name; - - int processed; - - asection *bfd_section; - flagword flags; /* Or together of all input sections. */ - enum section_type sectype; - lang_memory_region_type *region; - lang_memory_region_type *lma_region; - size_t block_value; - fill_type *fill; - - int subsection_alignment; /* Alignment of components. */ - int section_alignment; /* Alignment of start of section. */ - - union etree_union *load_base; - - /* If non-null, an expression to evaluate after setting the section's - size. The expression is evaluated inside REGION (above) with '.' - set to the end of the section. Used in the last overlay section - to move '.' past all the overlaid sections. */ - union etree_union *update_dot_tree; - - lang_output_section_phdr_list *phdrs; -} lang_output_section_statement_type; - -typedef struct -{ - lang_statement_header_type header; -} lang_common_statement_type; - -typedef struct -{ - lang_statement_header_type header; -} lang_object_symbols_statement_type; - -typedef struct -{ - lang_statement_header_type header; - fill_type *fill; - int size; - asection *output_section; -} lang_fill_statement_type; - -typedef struct -{ - lang_statement_header_type header; - unsigned int type; - union etree_union *exp; - bfd_vma value; - asection *output_section; - bfd_vma output_vma; -} lang_data_statement_type; - -/* Generate a reloc in the output file. */ - -typedef struct -{ - lang_statement_header_type header; - - /* Reloc to generate. */ - bfd_reloc_code_real_type reloc; - - /* Reloc howto structure. */ - reloc_howto_type *howto; - - /* Section to generate reloc against. - Exactly one of section and name must be NULL. */ - asection *section; - - /* Name of symbol to generate reloc against. - Exactly one of section and name must be NULL. */ - const char *name; - - /* Expression for addend. */ - union etree_union *addend_exp; - - /* Resolved addend. */ - bfd_vma addend_value; - - /* Output section where reloc should be performed. */ - asection *output_section; - - /* VMA within output section. */ - bfd_vma output_vma; -} lang_reloc_statement_type; - -typedef struct lang_input_statement_struct -{ - lang_statement_header_type header; - /* Name of this file. */ - const char *filename; - /* Name to use for the symbol giving address of text start. - Usually the same as filename, but for a file spec'd with - -l this is the -l switch itself rather than the filename. */ - const char *local_sym_name; - - bfd *the_bfd; - - bfd_boolean closed; - file_ptr passive_position; - - /* Symbol table of the file. */ - asymbol **asymbols; - unsigned int symbol_count; - - /* Point to the next file - whatever it is, wanders up and down - archives */ - union lang_statement_union *next; - - /* Point to the next file, but skips archive contents. */ - union lang_statement_union *next_real_file; - - bfd_boolean is_archive; - - /* 1 means search a set of directories for this file. */ - bfd_boolean search_dirs_flag; - - /* 1 means this was found in a search directory marked as sysrooted, - if search_dirs_flag is false, otherwise, that it should be - searched in ld_sysroot before any other location, as long as it - starts with a slash. */ - bfd_boolean sysrooted; - - /* 1 means this is base file of incremental load. - Do not load this file's text or data. - Also default text_start to after this file's bss. */ - bfd_boolean just_syms_flag; - - /* Whether to search for this entry as a dynamic archive. */ - bfd_boolean dynamic; - - /* Whether this entry should cause a DT_NEEDED tag only when - satisfying references from regular files, or always. */ - bfd_boolean as_needed; - - /* Whether to include the entire contents of an archive. */ - bfd_boolean whole_archive; - - bfd_boolean loaded; - -#if 0 - unsigned int globals_in_this_file; -#endif - const char *target; - bfd_boolean real; -} lang_input_statement_type; - -typedef struct -{ - lang_statement_header_type header; - asection *section; - lang_input_statement_type *ifile; - -} lang_input_section_type; - -typedef struct -{ - lang_statement_header_type header; - asection *section; - union lang_statement_union *file; -} lang_afile_asection_pair_statement_type; - -typedef struct lang_wild_statement_struct -{ - lang_statement_header_type header; - const char *filename; - bfd_boolean filenames_sorted; - struct wildcard_list *section_list; - bfd_boolean keep_sections; - lang_statement_list_type children; -} lang_wild_statement_type; - -typedef struct lang_address_statement_struct -{ - lang_statement_header_type header; - const char *section_name; - union etree_union *address; -} lang_address_statement_type; - -typedef struct -{ - lang_statement_header_type header; - bfd_vma output_offset; - size_t size; - asection *output_section; - fill_type *fill; -} 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. */ - -typedef struct -{ - lang_statement_header_type header; - lang_statement_list_type children; -} lang_group_statement_type; - -typedef union lang_statement_union -{ - 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_afile_asection_pair_statement_type afile_asection_pair_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; -} lang_statement_union_type; - -/* This structure holds information about a program header, from the - PHDRS command in the linker script. */ - -struct lang_phdr -{ - struct lang_phdr *next; - const char *name; - unsigned long type; - bfd_boolean filehdr; - bfd_boolean phdrs; - etree_type *at; - etree_type *flags; -}; - -/* This structure is used to hold a list of sections which may not - cross reference each other. */ - -typedef struct lang_nocrossref -{ - struct lang_nocrossref *next; - const char *name; -} lang_nocrossref_type; - -/* The list of nocrossref lists. */ - -struct lang_nocrossrefs -{ - struct lang_nocrossrefs *next; - lang_nocrossref_type *list; -}; - -extern struct lang_nocrossrefs *nocrossref_list; - -/* This structure is used to hold a list of input section names which - will not match an output section in the linker script. */ - -struct unique_sections -{ - struct unique_sections *next; - const char *name; -}; - -/* This structure records symbols for which we need to keep track of - definedness for use in the DEFINED () test. */ - -struct lang_definedness_hash_entry -{ - struct bfd_hash_entry root; - int iteration; -}; - -extern struct unique_sections *unique_section_list; - -extern lang_output_section_statement_type *abs_output_section; -extern lang_statement_list_type lang_output_section_statement; -extern bfd_boolean lang_has_input_file; -extern etree_type *base; -extern lang_statement_list_type *stat_ptr; -extern bfd_boolean delete_output_file_on_failure; - -extern struct bfd_sym_chain entry_symbol; -extern const char *entry_section; -extern bfd_boolean entry_from_cmdline; -extern lang_statement_list_type file_chain; - -extern int lang_statement_iteration; - -extern void lang_init - (void); -extern lang_memory_region_type *lang_memory_region_lookup - (const char *const, bfd_boolean); -extern lang_memory_region_type *lang_memory_region_default - (asection *); -extern void lang_map - (void); -extern void lang_set_flags - (lang_memory_region_type *, const char *, int); -extern void lang_add_output - (const char *, int from_script); -extern lang_output_section_statement_type *lang_enter_output_section_statement - (const char *output_section_statement_name, - etree_type *address_exp, - enum section_type sectype, - etree_type *align, - etree_type *subalign, - etree_type *); -extern void lang_final - (void); -extern void lang_process - (void); -extern void lang_section_start - (const char *, union etree_union *); -extern void lang_add_entry - (const char *, bfd_boolean); -extern void lang_add_target - (const char *); -extern void lang_add_wild - (struct wildcard_spec *, struct wildcard_list *, bfd_boolean); -extern void lang_add_map - (const char *); -extern void lang_add_fill - (fill_type *); -extern lang_assignment_statement_type *lang_add_assignment - (union etree_union *); -extern void lang_add_attribute - (enum statement_enum); -extern void lang_startup - (const char *); -extern void lang_float - (bfd_boolean); -extern void lang_leave_output_section_statement - (fill_type *, const char *, lang_output_section_phdr_list *, - const char *); -extern void lang_abs_symbol_at_end_of - (const char *, const char *); -extern void lang_abs_symbol_at_beginning_of - (const char *, const char *); -extern void lang_statement_append - (lang_statement_list_type *, lang_statement_union_type *, - lang_statement_union_type **); -extern void lang_for_each_input_file - (void (*dothis) (lang_input_statement_type *)); -extern void lang_for_each_file - (void (*dothis) (lang_input_statement_type *)); -extern void lang_reset_memory_regions - (void); -extern void lang_do_assignments - (lang_statement_union_type *, lang_output_section_statement_type *, - fill_type *, bfd_vma); - -#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) \ - -extern void lang_process - (void); -extern void ldlang_add_file - (lang_input_statement_type *); -extern lang_output_section_statement_type *lang_output_section_find - (const char * const); -extern lang_input_statement_type *lang_add_input_file - (const char *, lang_input_file_enum_type, const char *); -extern void lang_add_keepsyms_file - (const char *); -extern lang_output_section_statement_type * - lang_output_section_statement_lookup - (const char *const); -extern void ldlang_add_undef - (const char *const); -extern void lang_add_output_format - (const char *, const char *, const char *, int); -extern void lang_list_init - (lang_statement_list_type *); -extern void lang_add_data - (int type, union etree_union *); -extern void lang_add_reloc - (bfd_reloc_code_real_type, reloc_howto_type *, asection *, const char *, - union etree_union *); -extern void lang_for_each_statement - (void (*) (lang_statement_union_type *)); -extern void *stat_alloc - (size_t); -extern void dprint_statement - (lang_statement_union_type *, int); -extern bfd_vma lang_size_sections - (lang_statement_union_type *, lang_output_section_statement_type *, - lang_statement_union_type **, fill_type *, bfd_vma, bfd_boolean *, - bfd_boolean); -extern void lang_enter_group - (void); -extern void lang_leave_group - (void); -extern void lang_add_section - (lang_statement_list_type *, asection *, - lang_output_section_statement_type *, lang_input_statement_type *); -extern void lang_new_phdr - (const char *, etree_type *, bfd_boolean, bfd_boolean, etree_type *, - etree_type *); -extern void lang_add_nocrossref - (lang_nocrossref_type *); -extern void lang_enter_overlay - (etree_type *, etree_type *); -extern void lang_enter_overlay_section - (const char *); -extern void lang_leave_overlay_section - (fill_type *, lang_output_section_phdr_list *); -extern void lang_leave_overlay - (etree_type *, int, fill_type *, const char *, - lang_output_section_phdr_list *, const char *); - -extern struct bfd_elf_version_tree *lang_elf_version_info; - -extern struct bfd_elf_version_expr *lang_new_vers_pattern - (struct bfd_elf_version_expr *, const char *, const char *); -extern struct bfd_elf_version_tree *lang_new_vers_node - (struct bfd_elf_version_expr *, struct bfd_elf_version_expr *); -extern struct bfd_elf_version_deps *lang_add_vers_depend - (struct bfd_elf_version_deps *, const char *); -extern void lang_register_vers_node - (const char *, struct bfd_elf_version_tree *, struct bfd_elf_version_deps *); -bfd_boolean unique_section_p - (const char *); -extern void lang_add_unique - (const char *); -extern const char *lang_get_output_target - (void); -extern void lang_track_definedness (const char *); -extern int lang_symbol_definition_iteration (const char *); -extern void lang_update_definedness - (const char *, struct bfd_link_hash_entry *); - -#endif |
