X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=ld%2Fldlang.h;h=2afe283e794fd80a28170db6157b6cc39c06b411;hb=e77620a58ff6050a8f1923062262d7811f8f0083;hp=db47af89640c2c5008a8a7aa7cabf3b379dc9097;hpb=8543fde54aeb0a961400b8d0d14b89dcc7708a2f;p=external%2Fbinutils.git diff --git a/ld/ldlang.h b/ld/ldlang.h index db47af8..2afe283 100644 --- a/ld/ldlang.h +++ b/ld/ldlang.h @@ -1,7 +1,5 @@ /* ldlang.h - linker command language support - Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, - 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 - Free Software Foundation, Inc. + Copyright (C) 1991-2014 Free Software Foundation, Inc. This file is part of the GNU Binutils. @@ -162,9 +160,13 @@ typedef struct lang_output_section_statement_struct 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; + unsigned int ignored : 1; + /* If this section should update "dot". Prevents section being ignored. */ + unsigned int update_dot : 1; + /* If this section is after assignment to _end. */ + unsigned int after_end : 1; + /* If this section uses the alignment of its input sections. */ + unsigned int align_lma_with_input : 1; } lang_output_section_statement_type; typedef struct @@ -228,52 +230,35 @@ typedef struct bfd_vma output_offset; } lang_reloc_statement_type; -typedef struct lang_input_statement_struct +struct lang_input_statement_flags { - 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; - - /* 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; - - const char *target; - + /* 1 means this file was specified in a -l option. */ unsigned int maybe_archive : 1; + /* 1 means this file was specified in a -l:namespec option. */ + unsigned int full_name_provided : 1; + /* 1 means search a set of directories for this file. */ - unsigned int search_dirs_flag : 1; + unsigned int search_dirs : 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. */ + /* 1 means this was found when processing a script in the sysroot. */ 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. */ - unsigned int just_syms_flag : 1; + unsigned int just_syms : 1; /* Whether to search for this entry as a dynamic archive. */ unsigned int dynamic : 1; - /* Whether DT_NEEDED tags should be added for dynamic libraries in - DT_NEEDED tags from this entry. */ + /* Set if a DT_NEEDED tag should be added not just for the dynamic library + explicitly given by this entry but also for any dynamic libraries in + this entry's needed list. */ unsigned int add_DT_NEEDED_for_dynamic : 1; - /* Whether this entry should cause a DT_NEEDED tag only when - satisfying references from regular files, or always. */ + /* Set if this entry should cause a DT_NEEDED tag only when some + regular file references its symbols (ie. --as-needed is in effect). */ unsigned int add_DT_NEEDED_for_regular : 1; /* Whether to include the entire contents of an archive. */ @@ -287,6 +272,9 @@ typedef struct lang_input_statement_struct /* Set if the file does not exist. */ unsigned int missing_file : 1; + /* Set if reloading an archive or --as-needed lib. */ + unsigned int reload : 1; + #ifdef ENABLE_PLUGINS /* Set if the file was claimed by a plugin. */ unsigned int claimed : 1; @@ -295,6 +283,34 @@ typedef struct lang_input_statement_struct unsigned int claim_archive : 1; #endif /* ENABLE_PLUGINS */ + /* Head of list of pushed flags. */ + struct lang_input_statement_flags *pushed; +}; + +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; + + struct flag_info *section_flag_list; + + /* 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; + + const char *target; + + struct lang_input_statement_flags flags; } lang_input_statement_type; typedef struct @@ -303,10 +319,28 @@ typedef struct asection *section; } lang_input_section_type; +struct map_symbol_def { + struct bfd_link_hash_entry *entry; + struct map_symbol_def *next; +}; + +/* For input sections, when writing a map file: head / tail of a linked + list of hash table entries for symbols defined in this section. */ +typedef struct input_section_userdata_struct +{ + struct map_symbol_def *map_symbol_def_head; + struct map_symbol_def **map_symbol_def_tail; + unsigned long map_symbol_def_count; +} input_section_userdata_type; + +#define get_userdata(x) ((x)->userdata) + + 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 *); + asection *, struct flag_info *, + lang_input_statement_type *, void *); typedef void (*walk_wild_section_handler_t) (lang_wild_statement_type *, lang_input_statement_type *, @@ -337,6 +371,7 @@ struct lang_wild_statement_struct walk_wild_section_handler_t walk_wild_section_handler; struct wildcard_list *handler_data[4]; lang_section_bst_type *tree; + struct flag_info *section_flag_list; }; typedef struct lang_address_statement_struct @@ -351,7 +386,7 @@ typedef struct { lang_statement_header_type header; bfd_vma output_offset; - size_t size; + bfd_size_type size; asection *output_section; fill_type *fill; } lang_padding_statement_type; @@ -409,8 +444,6 @@ 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. */ @@ -428,8 +461,6 @@ struct lang_nocrossrefs lang_nocrossref_type *list; }; -extern struct lang_nocrossrefs *nocrossref_list; - /* This structure is used to hold a list of input section names which will not match an output section in the linker script. */ @@ -445,7 +476,9 @@ struct unique_sections struct lang_definedness_hash_entry { struct bfd_hash_entry root; - int iteration; + unsigned int by_object : 1; + unsigned int by_script : 1; + unsigned int iteration : 1; }; /* Used by place_orphan to keep track of orphan sections and statements. */ @@ -460,11 +493,21 @@ struct orphan_save lang_output_section_statement_type **os_tail; }; +struct asneeded_minfo +{ + struct asneeded_minfo *next; + const char *soname; + bfd *ref; + const char *name; +}; + +extern struct lang_phdr *lang_phdr_list; +extern struct lang_nocrossrefs *nocrossref_list; extern const char *output_target; extern lang_output_section_statement_type *abs_output_section; extern lang_statement_list_type lang_output_section_statement; +extern struct lang_input_statement_flags input_flags; extern bfd_boolean lang_has_input_file; -extern etree_type *base; extern lang_statement_list_type *stat_ptr; extern bfd_boolean delete_output_file_on_failure; @@ -475,7 +518,9 @@ extern lang_statement_list_type file_chain; extern lang_statement_list_type input_file_chain; extern int lang_statement_iteration; -extern bfd_boolean missing_file; +extern struct asneeded_minfo **asneeded_list_tail; + +extern void (*output_bfd_hash_table_free_fn) (struct bfd_link_hash_table *); extern void lang_init (void); @@ -492,12 +537,8 @@ extern void lang_set_flags extern void lang_add_output (const char *, int from_script); extern lang_output_section_statement_type *lang_enter_output_section_statement - (const char *output_section_statement_name, - etree_type *address_exp, - enum section_type sectype, - etree_type *align, - etree_type *subalign, - etree_type *, int); + (const char *, etree_type *, enum section_type, etree_type *, etree_type *, + etree_type *, int, int); extern void lang_final (void); extern void lang_relax_sections @@ -529,10 +570,6 @@ extern void lang_float extern void lang_leave_output_section_statement (fill_type *, const char *, lang_output_section_phdr_list *, const char *); -extern void lang_abs_symbol_at_end_of - (const char *, const char *); -extern void lang_abs_symbol_at_beginning_of - (const char *, const char *); extern void lang_statement_append (lang_statement_list_type *, lang_statement_union_type *, lang_statement_union_type **); @@ -543,6 +580,8 @@ extern void lang_for_each_file extern void lang_reset_memory_regions (void); extern void lang_do_assignments + (lang_phase_type); +extern asection *section_for_dot (void); #define LANG_FOR_EACH_INPUT_STATEMENT(statement) \ @@ -568,6 +607,8 @@ extern lang_input_statement_type *lang_add_input_file (const char *, lang_input_file_enum_type, const char *); extern void lang_add_keepsyms_file (const char *); +extern lang_output_section_statement_type *lang_output_section_get + (const asection *); extern lang_output_section_statement_type *lang_output_section_statement_lookup (const char *, int, bfd_boolean); extern lang_output_section_statement_type *next_matching_output_section_statement @@ -609,7 +650,7 @@ extern void lang_leave_group (void); extern void lang_add_section (lang_statement_list_type *, asection *, - lang_output_section_statement_type *); + struct flag_info *, lang_output_section_statement_type *); extern void lang_new_phdr (const char *, etree_type *, bfd_boolean, bfd_boolean, etree_type *, etree_type *); @@ -625,8 +666,6 @@ extern void lang_leave_overlay (etree_type *, int, fill_type *, const char *, lang_output_section_phdr_list *, const char *); -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 *, bfd_boolean); extern struct bfd_elf_version_tree *lang_new_vers_node @@ -642,8 +681,7 @@ extern void lang_add_unique (const char *); extern const char *lang_get_output_target (void); -extern void lang_track_definedness (const char *); -extern int lang_symbol_definition_iteration (const char *); +extern struct lang_definedness_hash_entry *lang_symbol_defined (const char *); extern void lang_update_definedness (const char *, struct bfd_link_hash_entry *);