Unify the behaviour of ld.bfd and ld.gold with respect to warning about unresolved...

[thirdparty/binutils-gdb.git] / ld / ldemul.h

diff --git a/ld/ldemul.h b/ld/ldemul.h
index 631a038767fd1b996ba5b22b77bb891d7abe0149..44e3a92aa7ef26436d71aa3dc6145ab8469e9d54 100644 (file)
--- a/ld/ldemul.h
+++ b/ld/ldemul.h
@@ -1,5 +1,5 @@
 /* ld-emul.h - Linker emulation header file
-   Copyright (C) 1991-2017 Free Software Foundation, Inc.
+   Copyright (C) 1991-2020 Free Software Foundation, Inc.
 
    This file is part of the GNU Binutils.
 
@@ -36,6 +36,8 @@ 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
@@ -80,6 +82,8 @@ 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
@@ -100,6 +104,14 @@ 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_examine_strtab_for_ctf
+  (struct ctf_file *, struct elf_sym_strtab *, bfd_size_type,
+   struct elf_strtab_hash *);
 
 typedef struct ld_emulation_xfer_struct {
   /* Run before parsing the command line and script file.
@@ -121,6 +133,9 @@ typedef struct ld_emulation_xfer_struct {
   /* 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);
 
@@ -208,6 +223,19 @@ typedef struct ld_emulation_xfer_struct {
   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 and symbol table late enough in linking that
+     they are 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 (*examine_strtab_for_ctf) (struct ctf_file *, struct elf_sym_strtab *,
+                                 bfd_size_type, struct elf_strtab_hash *);
 } ld_emulation_xfer_type;
 
 typedef enum {