old-cross-binutils/ld/ldlang.h
Ian Lance Taylor fcf276c495 Made many changes to eliminate gcc warnings. Made various
cosmetic changes, declared various things in header files, removed
	various extern declarations from .c files.  No substantive
	changes.
1993-12-11 22:55:55 +00:00

380 lines
11 KiB
C

/* 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