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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 memory_region_struct {
char *name;
struct memory_region_struct *next;
bfd_vma origin;
bfd_offset length;
bfd_vma current;
int 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_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;
unsigned long subsection_alignment;
boolean processed;
asection *bfd_section;
int 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. */
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;
/* 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. */
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;
} 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;
PROTO(void,lang_init,(void));
PROTO(struct memory_region_struct ,
*lang_memory_region_lookup,(CONST
char *CONST));
PROTO(void ,lang_map,(FILE *));
PROTO(void,lang_set_flags,(int *, CONST char *));
PROTO(void,lang_add_output,(CONST char *));
PROTO(void,lang_final,(void));
PROTO(struct symbol_cache_entry *,create_symbol,(CONST char *, unsigned int, struct sec *));
PROTO(void ,lang_process,(void));
PROTO(void ,lang_section_start,(CONST char *, union etree_union *));
PROTO(void,lang_add_entry,(CONST char *));
PROTO(void,lang_add_target,(CONST char *));
PROTO(void,lang_add_wild,(CONST char *CONST , CONST char *CONST));
PROTO(void,lang_add_map,(CONST 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,(CONST char *));
PROTO(void,lang_float,(enum bfd_boolean));
PROTO(void,lang_leave_output_section_statement,(bfd_vma, CONST char *));
PROTO(void,lang_abs_symbol_at_end_of,(CONST char *, CONST char *));
PROTO(void,lang_abs_symbol_at_beginning_of,(CONST char *, CONST 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_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,(CONST char * CONST));
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,(CONST char * CONST name));
PROTO(void, ldlang_add_undef,(CONST char *CONST name));
PROTO(void, lang_add_output_format,(CONST char *));
void EXFUN(lang_list_init,( lang_statement_list_type*));
void EXFUN(lang_add_data,(int type, union etree_union *));
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