diff options
Diffstat (limited to 'contrib/binutils/ld/ldlang.h')
| -rw-r--r-- | contrib/binutils/ld/ldlang.h | 171 |
1 files changed, 117 insertions, 54 deletions
diff --git a/contrib/binutils/ld/ldlang.h b/contrib/binutils/ld/ldlang.h index 649fea1..f52f46f 100644 --- a/contrib/binutils/ld/ldlang.h +++ b/contrib/binutils/ld/ldlang.h @@ -1,6 +1,6 @@ /* ldlang.h - linker command language support Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001, 2002, 2003, 2004 + 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of GLD, the Gnu Linker. @@ -17,8 +17,8 @@ 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, 59 Temple Place - Suite 330, Boston, MA - 02111-1307, USA. */ + Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA + 02110-1301, USA. */ #ifndef LDLANG_H #define LDLANG_H @@ -54,7 +54,7 @@ typedef struct memory_region_struct bfd_vma origin; bfd_size_type length; bfd_vma current; - bfd_size_type old_length; + union lang_statement_union *last_os; flagword flags; flagword not_flags; bfd_boolean had_full_message; @@ -108,11 +108,9 @@ typedef struct lang_output_statement_struct enum section_type { normal_section, - dsect_section, - copy_section, + overlay_section, noload_section, - info_section, - overlay_section + noalloc_section }; /* This structure holds a list of program headers describing @@ -128,25 +126,15 @@ typedef struct lang_output_section_phdr_list 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; + struct lang_output_section_statement_struct *next; + struct lang_output_section_statement_struct *prev; const char *name; - - int processed; - asection *bfd_section; - flagword flags; /* Or together of all input sections. */ - enum section_type sectype; lang_memory_region_type *region; lang_memory_region_type *lma_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 *addr_tree; union etree_union *load_base; /* If non-null, an expression to evaluate after setting the section's @@ -156,6 +144,20 @@ typedef struct lang_output_section_statement_struct union etree_union *update_dot_tree; lang_output_section_phdr_list *phdrs; + + unsigned int block_value; + int subsection_alignment; /* Alignment of components. */ + int section_alignment; /* Alignment of start of section. */ + int constraint; + flagword flags; + enum section_type sectype; + unsigned int processed_vma : 1; + unsigned int processed_lma : 1; + unsigned int all_input_readonly : 1; + /* If this section should be ignored. */ + unsigned int ignored : 1; + /* If there is a symbol relative to this section. */ + unsigned int section_relative_symbol : 1; } lang_output_section_statement_type; typedef struct @@ -183,7 +185,7 @@ typedef struct union etree_union *exp; bfd_vma value; asection *output_section; - bfd_vma output_vma; + bfd_vma output_offset; } lang_data_statement_type; /* Generate a reloc in the output file. */ @@ -215,8 +217,8 @@ typedef struct /* Output section where reloc should be performed. */ asection *output_section; - /* VMA within output section. */ - bfd_vma output_vma; + /* Offset within output section. */ + bfd_vma output_offset; } lang_reloc_statement_type; typedef struct lang_input_statement_struct @@ -231,7 +233,6 @@ typedef struct lang_input_statement_struct bfd *the_bfd; - bfd_boolean closed; file_ptr passive_position; /* Symbol table of the file. */ @@ -245,47 +246,48 @@ typedef struct lang_input_statement_struct /* Point to the next file, but skips archive contents. */ union lang_statement_union *next_real_file; - bfd_boolean is_archive; + const char *target; + + unsigned int closed : 1; + unsigned int is_archive : 1; /* 1 means search a set of directories for this file. */ - bfd_boolean search_dirs_flag; + unsigned int search_dirs_flag : 1; /* 1 means this was found in a search directory marked as sysrooted, if search_dirs_flag is false, otherwise, that it should be searched in ld_sysroot before any other location, as long as it starts with a slash. */ - bfd_boolean sysrooted; + unsigned int sysrooted : 1; /* 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. */ - bfd_boolean just_syms_flag; + unsigned int just_syms_flag : 1; /* Whether to search for this entry as a dynamic archive. */ - bfd_boolean dynamic; + unsigned int dynamic : 1; + + /* Whether DT_NEEDED tags should be added for dynamic libraries in + DT_NEEDED tags from this entry. */ + unsigned int add_needed : 1; /* Whether this entry should cause a DT_NEEDED tag only when satisfying references from regular files, or always. */ - bfd_boolean as_needed; + unsigned int as_needed : 1; /* Whether to include the entire contents of an archive. */ - bfd_boolean whole_archive; + unsigned int whole_archive : 1; - bfd_boolean loaded; + unsigned int loaded : 1; -#if 0 - unsigned int globals_in_this_file; -#endif - const char *target; - bfd_boolean real; + unsigned int real : 1; } lang_input_statement_type; typedef struct { lang_statement_header_type header; asection *section; - lang_input_statement_type *ifile; - } lang_input_section_type; typedef struct @@ -295,7 +297,29 @@ typedef struct union lang_statement_union *file; } lang_afile_asection_pair_statement_type; -typedef struct lang_wild_statement_struct +typedef struct lang_wild_statement_struct lang_wild_statement_type; + +typedef void (*callback_t) (lang_wild_statement_type *, struct wildcard_list *, + asection *, lang_input_statement_type *, void *); + +typedef void (*walk_wild_section_handler_t) (lang_wild_statement_type *, + lang_input_statement_type *, + callback_t callback, + void *data); + +typedef bfd_boolean (*lang_match_sec_type_func) (bfd *, const asection *, + bfd *, const asection *); + +/* Binary search tree structure to efficiently sort sections by + name. */ +typedef struct lang_section_bst +{ + asection *section; + struct lang_section_bst *left; + struct lang_section_bst *right; +} lang_section_bst_type; + +struct lang_wild_statement_struct { lang_statement_header_type header; const char *filename; @@ -303,13 +327,18 @@ typedef struct lang_wild_statement_struct struct wildcard_list *section_list; bfd_boolean keep_sections; lang_statement_list_type children; -} lang_wild_statement_type; + + walk_wild_section_handler_t walk_wild_section_handler; + struct wildcard_list *handler_data[4]; + lang_section_bst_type *tree; +}; typedef struct lang_address_statement_struct { lang_statement_header_type header; const char *section_name; union etree_union *address; + const segment_type *segment; } lang_address_statement_type; typedef struct @@ -367,6 +396,8 @@ struct lang_phdr etree_type *flags; }; +extern struct lang_phdr *lang_phdr_list; + /* This structure is used to hold a list of sections which may not cross reference each other. */ @@ -404,7 +435,16 @@ struct lang_definedness_hash_entry int iteration; }; -extern struct unique_sections *unique_section_list; +/* Used by place_orphan to keep track of orphan sections and statements. */ + +struct orphan_save { + const char *name; + flagword flags; + lang_output_section_statement_type *os; + asection **section; + lang_statement_union_type **stmt; + lang_output_section_statement_type **os_tail; +}; extern lang_output_section_statement_type *abs_output_section; extern lang_statement_list_type lang_output_section_statement; @@ -417,11 +457,14 @@ extern struct bfd_sym_chain entry_symbol; extern const char *entry_section; extern bfd_boolean entry_from_cmdline; extern lang_statement_list_type file_chain; +extern lang_statement_list_type input_file_chain; extern int lang_statement_iteration; extern void lang_init (void); +extern void lang_finish + (void); extern lang_memory_region_type *lang_memory_region_lookup (const char *const, bfd_boolean); extern lang_memory_region_type *lang_memory_region_default @@ -438,15 +481,17 @@ extern lang_output_section_statement_type *lang_enter_output_section_statement enum section_type sectype, etree_type *align, etree_type *subalign, - etree_type *); + etree_type *, int); extern void lang_final (void); extern void lang_process (void); extern void lang_section_start - (const char *, union etree_union *); + (const char *, union etree_union *, const segment_type *); extern void lang_add_entry (const char *, bfd_boolean); +extern void lang_default_entry + (const char *); extern void lang_add_target (const char *); extern void lang_add_wild @@ -480,8 +525,7 @@ extern void lang_for_each_file extern void lang_reset_memory_regions (void); extern void lang_do_assignments - (lang_statement_union_type *, lang_output_section_statement_type *, - fill_type *, bfd_vma); + (void); #define LANG_FOR_EACH_INPUT_STATEMENT(statement) \ lang_input_statement_type *statement; \ @@ -495,6 +539,12 @@ extern void ldlang_add_file (lang_input_statement_type *); extern lang_output_section_statement_type *lang_output_section_find (const char * const); +extern lang_output_section_statement_type *lang_output_section_find_by_flags + (const asection *, lang_output_section_statement_type **, + lang_match_sec_type_func); +extern lang_output_section_statement_type *lang_insert_orphan + (asection *, const char *, lang_output_section_statement_type *, + struct orphan_save *, etree_type *, lang_statement_list_type *); extern lang_input_statement_type *lang_add_input_file (const char *, lang_input_file_enum_type, const char *); extern void lang_add_keepsyms_file @@ -517,19 +567,21 @@ extern void lang_for_each_statement (void (*) (lang_statement_union_type *)); extern void *stat_alloc (size_t); +extern void strip_excluded_output_sections + (void); extern void dprint_statement (lang_statement_union_type *, int); -extern bfd_vma lang_size_sections - (lang_statement_union_type *, lang_output_section_statement_type *, - lang_statement_union_type **, fill_type *, bfd_vma, bfd_boolean *, - bfd_boolean); +extern void lang_size_sections + (bfd_boolean *, bfd_boolean); +extern void one_lang_size_sections_pass + (bfd_boolean *, bfd_boolean); extern void lang_enter_group (void); extern void lang_leave_group (void); extern void lang_add_section (lang_statement_list_type *, asection *, - lang_output_section_statement_type *, lang_input_statement_type *); + lang_output_section_statement_type *); extern void lang_new_phdr (const char *, etree_type *, bfd_boolean, bfd_boolean, etree_type *, etree_type *); @@ -548,15 +600,18 @@ extern void lang_leave_overlay extern struct bfd_elf_version_tree *lang_elf_version_info; extern struct bfd_elf_version_expr *lang_new_vers_pattern - (struct bfd_elf_version_expr *, const char *, const char *); + (struct bfd_elf_version_expr *, const char *, const char *, bfd_boolean); extern struct bfd_elf_version_tree *lang_new_vers_node (struct bfd_elf_version_expr *, struct bfd_elf_version_expr *); extern struct bfd_elf_version_deps *lang_add_vers_depend (struct bfd_elf_version_deps *, const char *); extern void lang_register_vers_node (const char *, struct bfd_elf_version_tree *, struct bfd_elf_version_deps *); +extern void lang_append_dynamic_list (struct bfd_elf_version_expr *); +extern void lang_append_dynamic_list_cpp_typeinfo (void); +extern void lang_append_dynamic_list_cpp_new (void); bfd_boolean unique_section_p - (const char *); + (const asection *); extern void lang_add_unique (const char *); extern const char *lang_get_output_target @@ -566,4 +621,12 @@ extern int lang_symbol_definition_iteration (const char *); extern void lang_update_definedness (const char *, struct bfd_link_hash_entry *); +extern void add_excluded_libs (const char *); +extern bfd_boolean load_symbols + (lang_input_statement_type *, lang_statement_list_type *); + +extern bfd_boolean +ldlang_override_segment_assignment + (struct bfd_link_info *, bfd *, asection *, asection *, bfd_boolean); + #endif |
