/* ldlang.h - linker command language support
- Copyright (C) 1991-2019 Free Software Foundation, Inc.
+ Copyright (C) 1991-2023 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,
union lang_statement_union *last_os;
flagword flags;
flagword not_flags;
- bfd_boolean had_full_message;
+ bool had_full_message;
} lang_memory_region_type;
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_matcher_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
first_overlay_section,
overlay_section,
noload_section,
- noalloc_section
+ noalloc_section,
+ type_section,
+ readonly_section,
+ typed_readonly_section
};
/* This structure holds a list of program headers describing
{
struct lang_output_section_phdr_list *next;
const char *name;
- bfd_boolean used;
+ bool used;
} lang_output_section_phdr_list;
typedef struct lang_output_section_statement_struct
lang_output_section_phdr_list *phdrs;
+ /* Used by ELF SHF_LINK_ORDER sorting. */
+ void *data;
+
unsigned int block_value;
int constraint;
flagword flags;
enum section_type sectype;
+ etree_type *sectype_value;
unsigned int processed_vma : 1;
unsigned int processed_lma : 1;
unsigned int all_input_readonly : 1;
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;
+ /* Name to use when sorting. */
+ const char *sort_key;
+ /* 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;
/* Next pointer for file_chain statement list. */
- union lang_statement_union *next;
+ struct lang_input_statement_struct *next;
/* Next pointer for input_file_chain statement list. */
- union lang_statement_union *next_real_file;
+ struct lang_input_statement_struct *next_real_file;
const char *target;
{
lang_statement_header_type header;
asection *section;
+ void *pattern;
} lang_input_section_type;
+typedef struct
+{
+ lang_statement_header_type header;
+ asection *section;
+ void *pattern;
+ lang_input_statement_type *input_stmt;
+} lang_input_matcher_type;
+
struct map_symbol_def {
struct bfd_link_hash_entry *entry;
struct map_symbol_def *next;
unsigned long map_symbol_def_count;
} input_section_userdata_type;
-#define get_userdata(x) ((x)->userdata)
-
+static inline bool
+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;
typedef void (*callback_t) (lang_wild_statement_type *, struct wildcard_list *,
- asection *, struct flag_info *,
- lang_input_statement_type *, void *);
+ 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 *);
+typedef bool (*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;
+ void *pattern;
struct lang_section_bst *left;
struct lang_section_bst *right;
} lang_section_bst_type;
{
lang_statement_header_type header;
const char *filename;
- bfd_boolean filenames_sorted;
+ bool filenames_sorted;
+ bool any_specs_sorted;
struct wildcard_list *section_list;
- bfd_boolean keep_sections;
+ bool keep_sections;
lang_statement_list_type children;
struct name_list *exclude_name_list;
+ lang_statement_list_type matching_sections;
- walk_wild_section_handler_t walk_wild_section_handler;
- struct wildcard_list *handler_data[4];
- lang_section_bst_type *tree;
+ lang_section_bst_type *tree, **rightmost;
struct flag_info *section_flag_list;
};
{
lang_statement_header_type header;
const char *where;
- bfd_boolean is_before;
+ bool is_before;
} lang_insert_statement_type;
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_matcher_type input_matcher;
+ 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_phdr *next;
const char *name;
unsigned long type;
- bfd_boolean filehdr;
- bfd_boolean phdrs;
+ bool filehdr;
+ bool phdrs;
etree_type *at;
etree_type *flags;
};
{
struct lang_nocrossrefs *next;
lang_nocrossref_type *list;
- bfd_boolean onlyfirst;
+ bool 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 bool lang_has_input_file;
+extern lang_statement_list_type statement_list;
extern lang_statement_list_type *stat_ptr;
-extern bfd_boolean delete_output_file_on_failure;
+extern bool delete_output_file_on_failure;
extern struct bfd_sym_chain entry_symbol;
extern const char *entry_section;
-extern bfd_boolean entry_from_cmdline;
+extern bool entry_from_cmdline;
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_finish
(void);
extern lang_memory_region_type * lang_memory_region_lookup
- (const char * const, bfd_boolean);
+ (const char * const, bool);
extern void lang_memory_region_alias
(const char *, const char *);
extern void lang_map
(const char *, int from_script);
extern lang_output_section_statement_type *lang_enter_output_section_statement
(const char *, etree_type *, enum section_type, etree_type *, etree_type *,
- etree_type *, int, int);
+ etree_type *, etree_type *, int, int);
extern void lang_final
(void);
extern void lang_relax_sections
- (bfd_boolean);
+ (bool);
extern void lang_process
(void);
extern void lang_section_start
(const char *, union etree_union *, const segment_type *);
extern void lang_add_entry
- (const char *, bfd_boolean);
+ (const char *, bool);
extern void lang_default_entry
(const char *);
extern void lang_add_target
(const char *);
extern void lang_add_wild
- (struct wildcard_spec *, struct wildcard_list *, bfd_boolean);
+ (struct wildcard_spec *, struct wildcard_list *, bool);
extern void lang_add_map
(const char *);
extern void lang_add_fill
extern void lang_startup
(const char *);
extern void lang_float
- (bfd_boolean);
+ (bool);
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 = &file_chain.head->input_statement; \
+ for (statement = (lang_input_statement_type *) file_chain.head; \
statement != NULL; \
- statement = &statement->next->input_statement)
+ 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
- (const char *const, bfd_boolean);
+ (const char *const, bool);
extern void ldlang_add_require_defined
(const char *const);
extern void lang_add_output_format
extern void pop_stat_ptr
(void);
extern void lang_add_data
- (int type, union etree_union *);
+ (int, union etree_union *);
+extern void lang_add_string
+ (const char *);
extern void lang_add_reloc
(bfd_reloc_code_real_type, reloc_howto_type *, asection *, const char *,
union etree_union *);
extern void dprint_statement
(lang_statement_union_type *, int);
extern void lang_size_sections
- (bfd_boolean *, bfd_boolean);
+ (bool *, bool);
extern void one_lang_size_sections_pass
- (bfd_boolean *, bfd_boolean);
+ (bool *, bool);
extern void lang_add_insert
(const char *, int);
extern void lang_enter_group
extern void lang_leave_group
(void);
extern void lang_add_section
- (lang_statement_list_type *, asection *,
+ (lang_statement_list_type *, asection *, struct wildcard_list *,
struct flag_info *, lang_output_section_statement_type *);
extern void lang_new_phdr
- (const char *, etree_type *, bfd_boolean, bfd_boolean, etree_type *,
+ (const char *, etree_type *, bool, bool, etree_type *,
etree_type *);
extern void lang_add_nocrossref
(lang_nocrossref_type *);
lang_output_section_phdr_list *, const char *);
extern struct bfd_elf_version_expr *lang_new_vers_pattern
- (struct bfd_elf_version_expr *, const char *, const char *, bfd_boolean);
+ (struct bfd_elf_version_expr *, const char *, const char *, bool);
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 (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 const char *lang_get_output_target
(void);
extern void add_excluded_libs (const char *);
-extern bfd_boolean load_symbols
+extern bool load_symbols
(lang_input_statement_type *, lang_statement_list_type *);
-extern bfd_boolean
+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 bool
ldlang_override_segment_assignment
- (struct bfd_link_info *, bfd *, asection *, asection *, bfd_boolean);
+ (struct bfd_link_info *, bfd *, asection *, asection *, bool);
extern void
lang_ld_feature (char *);
extern void
lang_add_gc_name (const char *);
+extern bool
+print_one_symbol (struct bfd_link_hash_entry *hash_entry, void *ptr);
+
#endif
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