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Diffstat (limited to 'ld/ldlang.h')
| -rw-r--r-- | ld/ldlang.h | 488 |
1 files changed, 0 insertions, 488 deletions
diff --git a/ld/ldlang.h b/ld/ldlang.h deleted file mode 100644 index 57c8c51e5f..0000000000 --- a/ld/ldlang.h +++ /dev/null @@ -1,488 +0,0 @@ -/* ldlang.h - linker command language support - Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001, 2002 - 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 - -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; - 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. */ - -struct lang_output_section_phdr_list { - struct lang_output_section_phdr_list *next; - const char *name; - boolean used; -}; - -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; - - boolean processed; - - asection *bfd_section; - flagword flags; /* Or together of all input sections */ - enum section_type sectype; - struct memory_region_struct *region; - struct memory_region_struct *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; - - struct 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; - - 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; - - boolean is_archive; - - /* 1 means search a set of directories for this file. */ - boolean search_dirs_flag; - - /* 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. */ - - boolean just_syms_flag; - - /* Whether to search for this entry as a dynamic archive. */ - boolean dynamic; - - /* Whether to include the entire contents of an archive. */ - boolean whole_archive; - - boolean loaded; - -#if 0 - unsigned int globals_in_this_file; -#endif - const char *target; - 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; - boolean filenames_sorted; - struct wildcard_list *section_list; - 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; - boolean filehdr; - 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. */ - -struct lang_nocrossref { - struct lang_nocrossref *next; - const char *name; -}; - -/* The list of nocrossref lists. */ - -struct lang_nocrossrefs { - struct lang_nocrossrefs *next; - struct lang_nocrossref *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; -}; - -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 boolean lang_has_input_file; -extern etree_type *base; -extern lang_statement_list_type *stat_ptr; -extern boolean delete_output_file_on_failure; - -extern struct bfd_sym_chain entry_symbol; -extern const char *entry_section; -extern boolean entry_from_cmdline; -extern lang_statement_list_type file_chain; - -extern void lang_init PARAMS ((void)); -extern struct memory_region_struct *lang_memory_region_lookup - PARAMS ((const char *const)); -extern struct memory_region_struct *lang_memory_region_default - PARAMS ((asection *)); -extern void lang_map PARAMS ((void)); -extern void lang_set_flags PARAMS ((lang_memory_region_type *, const char *, - int)); -extern void lang_add_output PARAMS ((const char *, int from_script)); -extern lang_output_section_statement_type *lang_enter_output_section_statement - PARAMS ((const char *output_section_statement_name, - etree_type * address_exp, - enum section_type sectype, - bfd_vma block_value, - etree_type *align, - etree_type *subalign, - etree_type *)); -extern void lang_final PARAMS ((void)); -extern void lang_process PARAMS ((void)); -extern void lang_section_start PARAMS ((const char *, union etree_union *)); -extern void lang_add_entry PARAMS ((const char *, boolean)); -extern void lang_add_target PARAMS ((const char *)); -extern void lang_add_wild - PARAMS ((struct wildcard_spec *, struct wildcard_list *, boolean)); -extern void lang_add_map PARAMS ((const char *)); -extern void lang_add_fill PARAMS ((fill_type *)); -extern lang_assignment_statement_type * lang_add_assignment PARAMS ((union etree_union *)); -extern void lang_add_attribute PARAMS ((enum statement_enum)); -extern void lang_startup PARAMS ((const char *)); -extern void lang_float PARAMS ((enum bfd_boolean)); -extern void lang_leave_output_section_statement - PARAMS ((fill_type *, const char *, struct lang_output_section_phdr_list *, - const char *)); -extern void lang_abs_symbol_at_end_of PARAMS ((const char *, const char *)); -extern void lang_abs_symbol_at_beginning_of PARAMS ((const char *, - const char *)); -extern void lang_statement_append PARAMS ((struct statement_list *, - union lang_statement_union *, - union lang_statement_union **)); -extern void lang_for_each_input_file - PARAMS ((void (*dothis) (lang_input_statement_type *))); -extern void lang_for_each_file - PARAMS ((void (*dothis) (lang_input_statement_type *))); -extern void lang_reset_memory_regions PARAMS ((void)); -extern bfd_vma lang_do_assignments - PARAMS ((lang_statement_union_type * s, - lang_output_section_statement_type *output_section_statement, - fill_type *fill, - bfd_vma dot)); - -#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 PARAMS ((void)); -extern void ldlang_add_file PARAMS ((lang_input_statement_type *)); -extern lang_output_section_statement_type *lang_output_section_find - PARAMS ((const char * const)); -extern lang_input_statement_type *lang_add_input_file - PARAMS ((const char *name, lang_input_file_enum_type file_type, - const char *target)); -extern void lang_add_keepsyms_file PARAMS ((const char *filename)); -extern lang_output_section_statement_type * - lang_output_section_statement_lookup PARAMS ((const char * const name)); -extern void ldlang_add_undef PARAMS ((const char *const name)); -extern void lang_add_output_format PARAMS ((const char *, const char *, - const char *, int from_script)); -extern void lang_list_init PARAMS ((lang_statement_list_type*)); -extern void lang_add_data PARAMS ((int type, union etree_union *)); -extern void lang_add_reloc - PARAMS ((bfd_reloc_code_real_type reloc, reloc_howto_type *howto, - asection *section, const char *name, union etree_union *addend)); -extern void lang_for_each_statement - PARAMS ((void (*func) (lang_statement_union_type *))); -extern PTR stat_alloc PARAMS ((size_t size)); -extern void dprint_statement PARAMS ((lang_statement_union_type *, int)); -extern bfd_vma lang_size_sections - PARAMS ((lang_statement_union_type *s, - lang_output_section_statement_type *output_section_statement, - lang_statement_union_type **prev, fill_type *fill, - bfd_vma dot, boolean *relax)); -extern void lang_enter_group PARAMS ((void)); -extern void lang_leave_group PARAMS ((void)); -extern void lang_add_section - PARAMS ((lang_statement_list_type *ptr, asection *section, - lang_output_section_statement_type *output, - lang_input_statement_type *file)); -extern void lang_new_phdr - PARAMS ((const char *, etree_type *, boolean, boolean, etree_type *, - etree_type *)); -extern void lang_add_nocrossref PARAMS ((struct lang_nocrossref *)); -extern void lang_enter_overlay PARAMS ((etree_type *)); -extern void lang_enter_overlay_section PARAMS ((const char *)); -extern void lang_leave_overlay_section - PARAMS ((fill_type *, struct lang_output_section_phdr_list *)); -extern void lang_leave_overlay - PARAMS ((etree_type *, int, fill_type *, const char *, - struct 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 - PARAMS ((struct bfd_elf_version_expr *, const char *, const char *)); -extern struct bfd_elf_version_tree *lang_new_vers_node - PARAMS ((struct bfd_elf_version_expr *, struct bfd_elf_version_expr *)); -extern struct bfd_elf_version_deps *lang_add_vers_depend - PARAMS ((struct bfd_elf_version_deps *, const char *)); -extern void lang_register_vers_node - PARAMS ((const char *, struct bfd_elf_version_tree *, - struct bfd_elf_version_deps *)); -boolean unique_section_p PARAMS ((const char *)); -extern void lang_add_unique PARAMS ((const char *)); -extern const char *lang_get_output_target PARAMS ((void)); - -#endif |