X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=ld%2Fldlang.h;h=0cb147c56223f8ef3452fdc91a3d5f90a7dd274c;hb=2df2751d1927e1231bbe7d548139da98d6ca9b9a;hp=7f1e743a4da79ee07152625abebfd1e942ac7ec9;hpb=6d8bf25d7e9b6fa7cff57137e7c55bcb11b227d8;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/ldlang.h b/ld/ldlang.h index 7f1e743a4d..0cb147c562 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, 2012 - Free Software Foundation, Inc. + Copyright (C) 1991-2016 Free Software Foundation, Inc. This file is part of the GNU Binutils. @@ -57,8 +55,10 @@ typedef struct memory_region_struct { lang_memory_region_name name_list; struct memory_region_struct *next; + union etree_union *origin_exp; bfd_vma origin; bfd_size_type length; + union etree_union *length_exp; bfd_vma current; union lang_statement_union *last_os; flagword flags; @@ -162,9 +162,13 @@ 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; + unsigned int ignored : 1; /* If this section should update "dot". Prevents section being ignored. */ - unsigned int update_dot : 1; + 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 @@ -233,6 +237,9 @@ struct lang_input_statement_flags /* 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 : 1; @@ -267,6 +274,9 @@ struct lang_input_statement_flags /* 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; @@ -274,9 +284,12 @@ struct lang_input_statement_flags /* Set if the file was claimed from an archive. */ unsigned int claim_archive : 1; - /* Set if reloading an --as-needed lib. */ - unsigned int reload : 1; + /* Set if added by the lto plugin add_input_file callback. */ + unsigned int lto_output : 1; #endif /* ENABLE_PLUGINS */ + + /* Head of list of pushed flags. */ + struct lang_input_statement_flags *pushed; }; typedef struct lang_input_statement_struct @@ -311,6 +324,23 @@ 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 *, @@ -434,6 +464,7 @@ struct lang_nocrossrefs { struct lang_nocrossrefs *next; lang_nocrossref_type *list; + bfd_boolean onlyfirst; }; /* This structure is used to hold a list of input section names which @@ -445,15 +476,6 @@ struct unique_sections const char *name; }; -/* This structure records symbols for which we need to keep track of - definedness for use in the DEFINED () test. */ - -struct lang_definedness_hash_entry -{ - struct bfd_hash_entry root; - int iteration; -}; - /* Used by place_orphan to keep track of orphan sections and statements. */ struct orphan_save @@ -466,6 +488,14 @@ 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; @@ -473,7 +503,6 @@ 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; @@ -484,6 +513,9 @@ extern lang_statement_list_type file_chain; extern lang_statement_list_type input_file_chain; extern int lang_statement_iteration; +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); @@ -500,12 +532,8 @@ 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 @@ -537,10 +565,6 @@ 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 **); @@ -552,6 +576,8 @@ 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) \ lang_input_statement_type *statement; \ @@ -567,7 +593,7 @@ extern void lang_process extern void ldlang_add_file (lang_input_statement_type *); extern lang_output_section_statement_type *lang_output_section_find_by_flags - (const asection *, lang_output_section_statement_type **, + (const asection *, flagword, lang_output_section_statement_type **, lang_match_sec_type_func); extern lang_output_section_statement_type *lang_insert_orphan (asection *, const char *, int, lang_output_section_statement_type *, @@ -576,12 +602,16 @@ 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 (lang_output_section_statement_type *, int); extern void ldlang_add_undef (const char *const, bfd_boolean); +extern void ldlang_add_require_defined + (const char *const); extern void lang_add_output_format (const char *, const char *, const char *, int); extern void lang_list_init @@ -603,6 +633,8 @@ extern void *stat_alloc (size_t); extern void strip_excluded_output_sections (void); +extern void lang_clear_os_map + (void); extern void dprint_statement (lang_statement_union_type *, int); extern void lang_size_sections @@ -623,6 +655,8 @@ extern void lang_new_phdr etree_type *); extern void lang_add_nocrossref (lang_nocrossref_type *); +extern void lang_add_nocrossref_to + (lang_nocrossref_type *); extern void lang_enter_overlay (etree_type *, etree_type *); extern void lang_enter_overlay_section @@ -648,11 +682,6 @@ 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 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 *); @@ -664,4 +693,10 @@ ldlang_override_segment_assignment extern void lang_ld_feature (char *); +extern void +lang_print_memory_usage (void); + +extern void +lang_add_gc_name (const char *); + #endif