/* ldlang.h - linker command language support
- Copyright 1991, 1992, 1993 Free Software Foundation, Inc.
+ Copyright 1991, 92, 93, 94, 95, 1996 Free Software Foundation, Inc.
This file is part of GLD, the Gnu Linker.
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. */
+ the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#ifndef LDLANG_H
#define LDLANG_H
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
{
asection *bfd_section;
int flags; /* Or together of all input sections */
- int loadable; /* set from NOLOAD flag in script */
+ 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_reloc_code_real_type reloc;
/* Reloc howto structure. */
- const reloc_howto_type *howto;
+ reloc_howto_type *howto;
/* Section to generate reloc against. Exactly one of section and
name must be NULL. */
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
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;
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;
+/* 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 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 *, int));
+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_map PARAMS ((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; \
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, const reloc_howto_type *howto,
+ 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 *)));
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_section_in_phdr PARAMS ((const char *));
+extern void lang_add_nocrossref PARAMS ((struct lang_nocrossref *));
#endif
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