/* ld-emul.h - Linker emulation header file
- Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 2000, 2001,
- 2002, 2003, 2004, 2005, 2007, 2008
- Free Software Foundation, Inc.
+ Copyright (C) 1991-2021 Free Software Foundation, Inc.
This file is part of the GNU Binutils.
(void);
extern void ldemul_after_open
(void);
+extern void ldemul_after_check_relocs
+ (void);
+extern void ldemul_before_place_orphans
+ (void);
extern void ldemul_after_allocation
(void);
extern void ldemul_before_allocation
(void);
extern lang_output_section_statement_type *ldemul_place_orphan
(asection *, const char *, int);
-extern bfd_boolean ldemul_parse_args
+extern bool ldemul_parse_args
(int, char **);
extern void ldemul_add_options
(int, char **, int, struct option **, int, struct option **);
-extern bfd_boolean ldemul_handle_option
+extern bool ldemul_handle_option
(int);
-extern bfd_boolean ldemul_unrecognized_file
+extern bool ldemul_unrecognized_file
(struct lang_input_statement_struct *);
-extern bfd_boolean ldemul_recognized_file
+extern bool ldemul_recognized_file
(struct lang_input_statement_struct *);
-extern bfd_boolean ldemul_open_dynamic_archive
+extern bool ldemul_open_dynamic_archive
(const char *, struct search_dirs *, struct lang_input_statement_struct *);
extern char *ldemul_default_target
(int, char**);
(void);
extern void after_open_default
(void);
+extern void after_check_relocs_default
+ (void);
+extern void before_place_orphans_default
+ (void);
extern void after_allocation_default
(void);
extern void before_allocation_default
(char *, struct lang_input_statement_struct *);
extern struct bfd_elf_version_expr *ldemul_new_vers_pattern
(struct bfd_elf_version_expr *);
+extern void ldemul_extra_map_file_text
+ (bfd *, struct bfd_link_info *, FILE *);
+/* Return 1 if we are emitting CTF early, and 0 if ldemul_examine_strtab_for_ctf
+ will be called by the target. */
+extern int ldemul_emit_ctf_early
+ (void);
+/* Called from per-target code to examine the strtab and symtab. */
+extern void ldemul_acquire_strings_for_ctf
+ (struct ctf_dict *, struct elf_strtab_hash *);
+extern void ldemul_new_dynsym_for_ctf
+ (struct ctf_dict *, int symidx, struct elf_internal_sym *);
+
+extern bool ldemul_print_symbol
+ (struct bfd_link_hash_entry *hash_entry, void *ptr);
typedef struct ld_emulation_xfer_struct {
/* Run before parsing the command line and script file.
/* Run after opening all input files, and loading the symbols. */
void (*after_open) (void);
+ /* Run after checking relocations. */
+ void (*after_check_relocs) (void);
+
+ /* Run before placing orphans. */
+ void (*before_place_orphans) (void);
+
/* Run after allocating output sections. */
void (*after_allocation) (void);
/* Try to open a dynamic library. ARCH is an architecture name, and
is normally the empty string. ENTRY is the lang_input_statement
that should be opened. */
- bfd_boolean (*open_dynamic_archive)
+ bool (*open_dynamic_archive)
(const char *arch, struct search_dirs *,
struct lang_input_statement_struct *entry);
/* Parse args which the base linker doesn't understand.
Return TRUE if the arg needs no further processing. */
- bfd_boolean (*parse_args) (int, char **);
+ bool (*parse_args) (int, char **);
/* Hook to add options to parameters passed by the base linker to
getopt_long and getopt_long_only calls. */
/* Companion to the above to handle an option. Returns TRUE if it is
one of our options. */
- bfd_boolean (*handle_option) (int);
+ bool (*handle_option) (int);
/* Run to handle files which are not recognized as object files or
archives. Return TRUE if the file was handled. */
- bfd_boolean (*unrecognized_file)
+ bool (*unrecognized_file)
(struct lang_input_statement_struct *);
/* Run to list the command line options which parse_args handles. */
/* Run to specially handle files which *are* recognized as object
files or archives. Return TRUE if the file was handled. */
- bfd_boolean (*recognized_file)
+ bool (*recognized_file)
(struct lang_input_statement_struct *);
/* Called when looking for libraries in a directory specified
struct bfd_elf_version_expr * (*new_vers_pattern)
(struct bfd_elf_version_expr *);
+ /* Called when printing the map file, in case there are
+ emulation-specific sections for it. */
+ void (*extra_map_file_text)
+ (bfd *, struct bfd_link_info *, FILE *);
+
+ /* If this returns true, we emit CTF as early as possible: if false, we emit
+ CTF once the strtab and symtab are laid out. */
+ int (*emit_ctf_early)
+ (void);
+
+ /* Called to examine the string table late enough in linking that it is
+ finally laid out. If emit_ctf_early returns true, this is not called, and
+ ldemul_maybe_emit_ctf emits CTF in 'early' mode: otherwise, it waits
+ until 'late'. (Late mode needs explicit support at per-target link time to
+ get called at all). If set, called by ld when the examine_strtab
+ bfd_link_callback is invoked by per-target code. */
+ void (*acquire_strings_for_ctf) (struct ctf_dict *, struct elf_strtab_hash *);
+
+ /* Called when a new symbol is added to the dynamic symbol table. If
+ emit_ctf_early returns true, this is not called, and ldemul_maybe_emit_ctf
+ emits CTF in 'early' mode: otherwise, it waits until 'late'. (Late mode
+ needs explicit support at per-target link time to get called at all). If
+ set, called by ld when the ctf_new_symbol bfd_link_callback is invoked by
+ per-target code. Called with a NULL symbol when no further symbols will be
+ provided. */
+ void (*new_dynsym_for_ctf) (struct ctf_dict *, int, struct elf_internal_sym *);
+
+ /* Called when printing a symbol to the map file. AIX uses this
+ hook to flag gc'd symbols. */
+ bool (*print_symbol)
+ (struct bfd_link_hash_entry *hash_entry, void *ptr);
+
} ld_emulation_xfer_type;
typedef enum {
projects / deliverable / binutils-gdb.git / blobdiff