/* ldlang.h - linker command language support Copyright 1991, 1992, 1993 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 1, 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, 675 Mass Ave, Cambridge, MA 02139, 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; typedef unsigned short fill_type; 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; int 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_target_statement_enum, lang_output_statement_enum, lang_padding_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; 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; int flags; /* Or together of all input sections */ int loadable; /* set from NOLOAD flag in script */ struct memory_region_struct *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; } 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; 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; /* For library members only */ /* For a library, points to chain of entries for the library members. */ struct lang_input_statement_struct *subfiles; /* Size of contents of this file, if library member. */ bfd_size_type total_size; /* For library member, points to the library's own entry. */ struct lang_input_statement_struct *superfile; /* For library member, points to next entry for next member. */ struct lang_input_statement_struct *chain; /* 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; boolean loaded; /* unsigned int globals_in_this_file;*/ const char *target; boolean real; asection *common_section; asection *common_output_section; boolean complained; } 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 *section_name; const char *filename; 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; typedef union lang_statement_union { lang_statement_header_type header; union lang_statement_union *next; lang_wild_statement_type wild_statement; lang_data_statement_type data_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_statement_union_type; extern bfd_size_type largest_section; extern lang_output_section_statement_type *abs_output_section; extern lang_input_statement_type *script_file; extern boolean lang_has_input_file; extern boolean relaxing; extern etree_type *base; extern lang_statement_list_type *stat_ptr; extern boolean delete_output_file_on_failure; extern lang_output_section_statement_type *create_object_symbols; extern void lang_init PARAMS ((void)); extern struct memory_region_struct *lang_memory_region_lookup PARAMS ((const char *const)); extern void lang_map PARAMS ((void)); extern void lang_set_flags PARAMS ((int *, const char *)); extern void lang_add_output PARAMS ((const char *, int from_script)); extern void lang_enter_output_section_statement PARAMS ((const char *output_section_statement_name, etree_type * address_exp, int flags, bfd_vma block_value, etree_type *align, etree_type *subalign, etree_type *base)); extern void lang_final PARAMS ((void)); extern struct symbol_cache_entry *create_symbol PARAMS ((const char *, unsigned int, struct sec *)); 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 *)); extern void lang_add_target PARAMS ((const char *)); extern void lang_add_wild PARAMS ((const char *const , const char *const)); extern void lang_add_map PARAMS ((const char *)); extern void lang_add_fill PARAMS ((int)); extern void 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 ((bfd_vma, 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_file PARAMS ((void (*dothis) (lang_input_statement_type *))); #define LANG_FOR_EACH_INPUT_STATEMENT(statement) \ extern lang_statement_list_type file_chain; \ 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)\ #define LANG_FOR_EACH_INPUT_SECTION(statement, abfd, section, x) \ { \ extern lang_statement_list_type file_chain; \ 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) \ { \ asection *section; \ bfd *abfd = statement->the_bfd; \ for (section = abfd->sections; \ section != (asection *)NULL; \ section = section->next) \ { \ x; \ } \ } \ } #define LANG_FOR_EACH_OUTPUT_SECTION(section, x) \ { \ extern bfd *output_bfd; \ asection *section; \ for (section = output_bfd->sections; \ section != (asection *)NULL; \ section = section->next) \ { \ x; \ } \ } 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 *, 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_for_each_statement PARAMS ((void (*func)())); extern PTR stat_alloc PARAMS ((size_t size)); #endif