/* ldlang.h - linker command language support
- Copyright (C) 1991-2016 Free Software Foundation, Inc.
+ Copyright (C) 1991-2021 Free Software Foundation, Inc.
This file is part of the GNU Binutils.
#define DEFAULT_MEMORY_REGION "*default*"
+#define SECTION_NAME_MAP_LENGTH (16)
+
typedef enum
{
lang_input_file_is_l_enum,
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;
enum section_type
{
normal_section,
+ first_overlay_section,
overlay_section,
noload_section,
noalloc_section
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 '.'
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 after_end : 1;
/* If this section uses the alignment of its input sections. */
unsigned int align_lma_with_input : 1;
+ /* If script has duplicate output section statements of the same name
+ create duplicate output sections. */
+ unsigned int dup_output : 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;
/* Set if reloading an archive or --as-needed lib. */
unsigned int reload : 1;
-#ifdef ENABLE_PLUGINS
+#if BFD_SUPPORTS_PLUGINS
/* Set if the file was claimed by a plugin. */
unsigned int claimed : 1;
/* Set if added by the lto plugin add_input_file callback. */
unsigned int lto_output : 1;
-#endif /* ENABLE_PLUGINS */
+#endif /* BFD_SUPPORTS_PLUGINS */
/* Head of list of pushed flags. */
struct lang_input_statement_flags *pushed;
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;
+ /* Extra search path. Used to find a file relative to the
+ directory of the current linker script. */
+ const char *extra_search_path;
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;
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;
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];
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
{
struct lang_nocrossrefs *next;
lang_nocrossref_type *list;
+ bfd_boolean onlyfirst;
};
/* This structure is used to hold a list of input section names which
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;
extern lang_statement_list_type file_chain;
extern lang_statement_list_type input_file_chain;
+extern struct bfd_elf_dynamic_list **current_dynamic_list_p;
+
extern int lang_statement_iteration;
extern struct asneeded_minfo **asneeded_list_tail;
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
#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)
+ lang_output_section_statement_lookup (NAME, 0, 0)
extern void lang_process
(void);
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);
+ (const char *, int, int);
extern lang_output_section_statement_type *next_matching_output_section_statement
(lang_output_section_statement_type *, int);
extern void ldlang_add_undef
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
(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 (struct bfd_elf_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);
extern void lang_add_unique
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_acquire_strings
+ (struct elf_strtab_hash *);
+extern void ldlang_ctf_new_dynsym
+ (int symidx, struct elf_internal_sym *);
+extern void ldlang_write_ctf_late
+ (void);
extern bfd_boolean
ldlang_override_segment_assignment
(struct bfd_link_info *, bfd *, asection *, asection *, bfd_boolean);
extern void
lang_print_memory_usage (void);
+extern void
+lang_add_gc_name (const char *);
+
+extern bfd_boolean
+print_one_symbol (struct bfd_link_hash_entry *hash_entry, void *ptr);
+
#endif
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