/* ldlang.h - linker command language support
- Copyright 1991, 1992, 1993 Free Software Foundation, Inc.
+ Copyright 1991, 92, 93, 94, 95, 96, 97, 1998 Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
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. */
+ 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
bfd_size_type length;
bfd_vma current;
bfd_size_type old_length;
- int flags;
+ flagword flags;
+ flagword not_flags;
boolean had_full_message;
} lang_memory_region_type ;
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;
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
{
boolean processed;
asection *bfd_section;
- int flags; /* Or together of all input sections */
- int loadable; /* set from NOLOAD flag in script */
+ flagword flags; /* Or together of all input sections */
+ enum section_type sectype;
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;
+ union etree_union *load_base;
+
+ struct lang_output_section_phdr_list *phdrs;
} lang_output_section_statement_type;
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
{
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 */
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;
-
/* 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;
const char *section_name;
+ boolean sections_sorted;
const char *filename;
+ boolean filenames_sorted;
+ boolean keep_sections;
+ const char *exclude_filename;
lang_statement_list_type children;
} lang_wild_statement_type;
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;
union lang_statement_union *next;
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_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;
-extern bfd_size_type largest_section;
+/* 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;
+
extern lang_output_section_statement_type *abs_output_section;
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 const char *entry_symbol;
+extern boolean entry_from_cmdline;
+
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 ((int *, const char *));
+extern void lang_set_flags PARAMS ((lang_memory_region_type *, 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,
+ enum section_type sectype,
bfd_vma block_value,
etree_type *align,
etree_type *subalign,
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 *));
+extern void lang_add_entry PARAMS ((const char *, boolean));
extern void lang_add_target PARAMS ((const char *));
-extern void lang_add_wild PARAMS ((const char *const , const char *const));
+extern void lang_add_wild
+ PARAMS ((const char *, boolean, const char *, boolean, boolean, const char *));
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 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 ((bfd_vma,
- const char *));
+extern void lang_leave_output_section_statement
+ PARAMS ((bfd_vma, const char *, struct lang_output_section_phdr_list *));
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 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) \
extern lang_statement_list_type file_chain; \
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
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_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 wild_doit
+ 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 *, etree_type *, int));
+extern void lang_enter_overlay_section PARAMS ((const char *));
+extern void lang_leave_overlay_section
+ PARAMS ((bfd_vma, struct lang_output_section_phdr_list *));
+extern void lang_leave_overlay
+ PARAMS ((bfd_vma, const char *, struct lang_output_section_phdr_list *));
+
+extern struct bfd_elf_version_tree *lang_elf_version_info;
+
+extern struct bfd_elf_version_expr *lang_new_vers_regex
+ 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 *));
#endif