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-rw-r--r--ld/ldlang.h347
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diff --git a/ld/ldlang.h b/ld/ldlang.h
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+++ b/ld/ldlang.h
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+/* ldlang.h -
+
+ Copyright (C) 1991 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. */
+
+
+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 {
+ boolean flag_read;
+ boolean flag_write;
+ boolean flag_executable;
+ boolean flag_loadable;
+} lang_section_flags_type;
+
+typedef struct memory_region_struct {
+ char *name;
+ struct memory_region_struct *next;
+ bfd_vma origin;
+ bfd_offset length;
+ bfd_vma current;
+ lang_section_flags_type flags;
+} 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_common_statement_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
+ } 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;
+ char *target;
+} lang_target_statement_type;
+
+
+typedef struct lang_output_statement_struct {
+ lang_statement_header_type header;
+ 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;
+ char *memspec;
+ union lang_statement_union *next;
+ char *name;
+ unsigned long subsection_alignment;
+ boolean processed;
+
+ asection *bfd_section;
+ lang_section_flags_type flags;
+ struct memory_region_struct *region;
+ size_t block_value;
+ fill_type fill;
+} 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;
+} 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. */
+ 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. */
+ char *local_sym_name;
+
+ /* Describe the layout of the contents of the file */
+
+ /* The file's a.out header. */
+ /* struct exec header;*/
+ /* Offset in file of GDB symbol segment, or 0 if there is none. */
+ int symseg_offset;
+
+ /* Describe data from the file loaded into core */
+
+ bfd *the_bfd;
+
+ boolean closed;
+ file_ptr passive_position;
+
+ /* Symbol table of the file. */
+ asymbol **asymbols;
+ unsigned int symbol_count;
+
+ /* Next two used only if `relocatable_output' or if needed for */
+ /* output of undefined reference line numbers. */
+ /* Text reloc info saved by `write_text' for `coptxtrel'. */
+
+
+ /* Offset in bytes in the output file symbol table
+ of the first local symbol for this file. Set by `write_file_symbols'. */
+ int local_syms_offset;
+
+ /* For library members only */
+
+ /* For a library, points to chain of entries for the library members. */
+ struct lang_input_statement_struct *subfiles;
+ /* For a library member, offset of the member within the archive.
+ Zero for files that are not library members. */
+ /* int starting_offset;*/
+ /* Size of contents of this file, if library member. */
+ int 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 if file's header has been read into this structure. */
+ boolean header_read_flag;
+
+ /* 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;*/
+ char *target;
+ boolean real;
+
+ asection *common_section;
+ asection *common_output_section;
+ } 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;
+ char *section_name;
+ char *filename;
+ lang_statement_list_type children;
+} lang_wild_statement_type;
+
+typedef struct lang_address_statement_struct {
+ lang_statement_header_type header;
+ 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;
+
+
+
+PROTO(void,lang_init,(void));
+PROTO(struct memory_region_struct ,*lang_memory_region_lookup,(char *));
+PROTO(struct lang_output_section_statement_struct *,lang_output_section_find,(char *));
+
+PROTO(void ,lang_map,(struct _iobuf *));
+PROTO(void,lang_set_flags,(lang_section_flags_type *, char *));
+PROTO(void,lang_add_output,(char *));
+
+PROTO(void,lang_final,(void));
+PROTO(struct symbol_cache_entry *,create_symbol,(char *, unsigned int, struct sec_struct *));
+PROTO(void ,lang_process,(void));
+PROTO(void ,lang_section_start,(char *, union etree_union *));
+PROTO(void,lang_add_entry,(char *));
+PROTO(void,lang_add_target,(char *));
+PROTO(void,lang_add_wild,(char *, char *));
+PROTO(void,lang_add_map,(char *));
+PROTO(void,lang_add_fill,(int));
+PROTO(void,lang_add_assignment,(union etree_union *));
+PROTO(void,lang_add_attribute,(enum statement_enum));
+PROTO(void,lang_startup,(char *));
+PROTO(void,lang_float,(enum boolean));
+PROTO(void,lang_leave_output_section_statement,(bfd_vma, char *));
+PROTO(void,lang_abs_symbol_at_end_of,(char *, char *));
+PROTO(void,lang_statement_append,(struct statement_list *, union lang_statement_union *, union lang_statement_union **));
+PROTO(void, lang_for_each_file,(void (*dothis)(lang_input_statement_type *)));
+
+#define LANG_FOR_EACH_ASYMBOL(asymbol) \
+
+#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; } \
+ }
+
+
+PROTO(void, lang_process,(void));
+PROTO(void, ldlang_add_file,(lang_input_statement_type *));
+
+PROTO(lang_output_section_statement_type *,lang_output_section_find,());
+
+PROTO(lang_input_statement_type *,
+ lang_add_input_file,(char *name,
+ lang_input_file_enum_type file_type,
+ char *target));
+PROTO(lang_output_section_statement_type *,
+lang_output_section_statement_lookup,(char *name));