X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=ld%2Fldlang.h;h=8dd4bfda1909675ca7d0eae8022fa821bdae7033;hb=f3c469b95b9f1f635668660c5041df9513a47a02;hp=5f6faae5bc59dde28623dd5bf55d73d42057359c;hpb=18cd5bce47dc4a33dd1d8e3036b99d2fa7e3234f;p=deliverable%2Fbinutils-gdb.git

diff --git a/ld/ldlang.h b/ld/ldlang.h
index 5f6faae5bc..8dd4bfda19 100644
--- a/ld/ldlang.h
+++ b/ld/ldlang.h
@@ -1,5 +1,5 @@
 /* ldlang.h - linker command language support
-   Copyright (C) 1991-2014 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU Binutils.
 
@@ -55,8 +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;
@@ -66,26 +68,27 @@ typedef struct memory_region_struct
 
 enum statement_enum
 {
-  lang_output_section_statement_enum,
-  lang_assignment_statement_enum,
-  lang_input_statement_enum,
   lang_address_statement_enum,
-  lang_wild_statement_enum,
-  lang_input_section_enum,
-  lang_object_symbols_statement_enum,
-  lang_fill_statement_enum,
+  lang_assignment_statement_enum,
   lang_data_statement_enum,
-  lang_reloc_statement_enum,
-  lang_target_statement_enum,
-  lang_output_statement_enum,
-  lang_padding_statement_enum,
+  lang_fill_statement_enum,
   lang_group_statement_enum,
+  lang_input_section_enum,
+  lang_input_statement_enum,
   lang_insert_statement_enum,
-  lang_constructors_statement_enum
+  lang_output_section_statement_enum,
+  lang_output_statement_enum,
+  lang_padding_statement_enum,
+  lang_reloc_statement_enum,
+  lang_target_statement_enum,
+  lang_wild_statement_enum,
+  lang_constructors_statement_enum,
+  lang_object_symbols_statement_enum
 };
 
 typedef struct lang_statement_header_struct
 {
+  /* Next pointer for statement_list statement list.  */
   union lang_statement_union *next;
   enum statement_enum type;
 } lang_statement_header_type;
@@ -113,6 +116,7 @@ typedef struct lang_output_statement_struct
 enum section_type
 {
   normal_section,
+  first_overlay_section,
   overlay_section,
   noload_section,
   noalloc_section
@@ -141,6 +145,8 @@ typedef struct lang_output_section_statement_struct
   fill_type *fill;
   union etree_union *addr_tree;
   union etree_union *load_base;
+  union etree_union *section_alignment;
+  union etree_union *subsection_alignment;
 
   /* If non-null, an expression to evaluate after setting the section's
      size.  The expression is evaluated inside REGION (above) with '.'
@@ -151,8 +157,6 @@ typedef struct lang_output_section_statement_struct
   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;
@@ -169,16 +173,6 @@ typedef struct lang_output_section_statement_struct
   unsigned int align_lma_with_input : 1;
 } lang_output_section_statement_type;
 
-typedef struct
-{
-  lang_statement_header_type header;
-} lang_common_statement_type;
-
-typedef struct
-{
-  lang_statement_header_type header;
-} lang_object_symbols_statement_type;
-
 typedef struct
 {
   lang_statement_header_type header;
@@ -281,6 +275,9 @@ struct lang_input_statement_flags
 
   /* Set if the file was claimed from an archive.  */
   unsigned int claim_archive : 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.  */
@@ -299,14 +296,15 @@ typedef struct lang_input_statement_struct
 
   bfd *the_bfd;
 
+  ctf_archive_t *the_ctf;
+
   struct flag_info *section_flag_list;
 
-  /* Point to the next file - whatever it is, wanders up and down
-     archives */
-  union lang_statement_union *next;
+  /* Next pointer for file_chain statement list.  */
+  struct lang_input_statement_struct *next;
 
-  /* Point to the next file, but skips archive contents.  */
-  union lang_statement_union *next_real_file;
+  /* Next pointer for input_file_chain statement list.  */
+  struct lang_input_statement_struct *next_real_file;
 
   const char *target;
 
@@ -333,8 +331,12 @@ typedef struct input_section_userdata_struct
   unsigned long map_symbol_def_count;
 } input_section_userdata_type;
 
-#define get_userdata(x) ((x)->userdata)
-
+static inline bfd_boolean
+bfd_input_just_syms (const bfd *abfd)
+{
+  lang_input_statement_type *is = bfd_usrdata (abfd);
+  return is != NULL && is->flags.just_syms;
+}
 
 typedef struct lang_wild_statement_struct lang_wild_statement_type;
 
@@ -367,6 +369,7 @@ struct lang_wild_statement_struct
   struct wildcard_list *section_list;
   bfd_boolean keep_sections;
   lang_statement_list_type children;
+  struct name_list *exclude_name_list;
 
   walk_wild_section_handler_t walk_wild_section_handler;
   struct wildcard_list *handler_data[4];
@@ -412,22 +415,20 @@ typedef struct
 typedef union lang_statement_union
 {
   lang_statement_header_type header;
-  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_assignment_statement_type assignment_statement;
-  lang_input_statement_type input_statement;
-  lang_target_statement_type target_statement;
-  lang_output_statement_type output_statement;
-  lang_input_section_type input_section;
-  lang_common_statement_type common_statement;
-  lang_object_symbols_statement_type object_symbols_statement;
+  lang_data_statement_type data_statement;
   lang_fill_statement_type fill_statement;
-  lang_padding_statement_type padding_statement;
   lang_group_statement_type group_statement;
+  lang_input_section_type input_section;
+  lang_input_statement_type input_statement;
   lang_insert_statement_type insert_statement;
+  lang_output_section_statement_type output_section_statement;
+  lang_output_statement_type output_statement;
+  lang_padding_statement_type padding_statement;
+  lang_reloc_statement_type reloc_statement;
+  lang_target_statement_type target_statement;
+  lang_wild_statement_type wild_statement;
 } lang_statement_union_type;
 
 /* This structure holds information about a program header, from the
@@ -459,6 +460,7 @@ 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
@@ -470,17 +472,6 @@ 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;
-  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.  */
 
 struct orphan_save
@@ -505,7 +496,7 @@ 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 lang_statement_list_type lang_os_list;
 extern struct lang_input_statement_flags input_flags;
 extern bfd_boolean lang_has_input_file;
 extern lang_statement_list_type *stat_ptr;
@@ -570,9 +561,6 @@ 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_statement_append
-  (lang_statement_list_type *, lang_statement_union_type *,
-   lang_statement_union_type **);
 extern void lang_for_each_input_file
   (void (*dothis) (lang_input_statement_type *));
 extern void lang_for_each_file
@@ -587,8 +575,8 @@ extern asection *section_for_dot
 #define LANG_FOR_EACH_INPUT_STATEMENT(statement)			\
   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)	\
+       statement != NULL;						\
+       statement = statement->next)
 
 #define lang_output_section_find(NAME) \
   lang_output_section_statement_lookup (NAME, 0, FALSE)
@@ -598,7 +586,7 @@ 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 *,
@@ -615,6 +603,8 @@ extern lang_output_section_statement_type *next_matching_output_section_statemen
   (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
@@ -658,6 +648,8 @@ 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
@@ -683,14 +675,16 @@ extern void lang_add_unique
   (const char *);
 extern const char *lang_get_output_target
   (void);
-extern struct lang_definedness_hash_entry *lang_symbol_defined (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 *);
 
+struct elf_sym_strtab;
+struct elf_strtab_hash;
+extern void ldlang_ctf_apply_strsym
+  (struct elf_sym_strtab *, bfd_size_type, struct elf_strtab_hash *);
+extern void ldlang_write_ctf_late
+  (void);
 extern bfd_boolean
 ldlang_override_segment_assignment
   (struct bfd_link_info *, bfd *, asection *, asection *, bfd_boolean);
@@ -698,4 +692,10 @@ 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