2007-03-07 Kai Tietz <kai.tietz@onevision.com>

[deliverable/binutils-gdb.git] / include / bfdlink.h

diff --git a/include/bfdlink.h b/include/bfdlink.h
index 761bd0513e35ca79f130b48ff7094bd7ac491ecf..46e3cf5c54665b82cbc01cd8e454f751298aa82d 100644 (file)
--- a/include/bfdlink.h
+++ b/include/bfdlink.h
@@ -221,6 +221,8 @@ enum report_method
   RM_GENERATE_ERROR
 };
 
+struct bfd_elf_dynamic_list;
+
 /* This structure holds all the information needed to communicate
    between BFD and the linker when doing a link.  */
 
@@ -324,12 +326,27 @@ struct bfd_link_info
   /* TRUE if unreferenced sections should be removed.  */
   unsigned int gc_sections: 1;
 
+  /* TRUE if user shoudl be informed of removed unreferenced sections.  */
+  unsigned int print_gc_sections: 1;
+
   /* TRUE if .hash section should be created.  */
   unsigned int emit_hash: 1;
 
   /* TRUE if .gnu.hash section should be created.  */
   unsigned int emit_gnu_hash: 1;
 
+  /* If TRUE reduce memory overheads, at the expense of speed. This will
+     cause map file generation to use an O(N^2) algorithm and disable
+     caching ELF symbol buffer.  */
+  unsigned int reduce_memory_overheads: 1;
+
+  /* TRUE if all data symbols should be dynamic.  */
+   unsigned int dynamic_data: 1;
+
+  /* TRUE if some symbols have to be dynamic, controlled by
+     --dynamic-list command line options.  */
+  unsigned int dynamic: 1;
+
   /* What to do with unresolved symbols in an object file.
      When producing executables the default is GENERATE_ERROR.
      When producing shared libraries the default is IGNORE.  The
@@ -428,6 +445,9 @@ struct bfd_link_info
 
   /* Start and end of RELRO region.  */
   bfd_vma relro_start, relro_end;
+
+  /* List of symbols should be dynamic.  */
+  struct bfd_elf_dynamic_list *dynamic_list;
 };
 
 /* This structures holds a set of callback functions.  These are
@@ -546,6 +566,13 @@ struct bfd_link_callbacks
   /* General link info message.  */
   void (*einfo)
     (const char *fmt, ...);
+  /* This callback provides a chance for users of the BFD library to
+     override its decision about whether to place two adjacent sections
+     into the same segment.  */
+  bfd_boolean (*override_segment_assignment)
+    (struct bfd_link_info *, bfd * abfd,
+     asection * current_section, asection * previous_section,
+     bfd_boolean new_segment);
 };
 \f
 /* The linker builds link_order structures which tell the code how to
@@ -721,4 +748,12 @@ struct bfd_elf_version_tree
      struct bfd_elf_version_expr *prev, const char *sym);
 };
 
+struct bfd_elf_dynamic_list
+{
+  struct bfd_elf_version_expr_head head;
+  struct bfd_elf_version_expr *(*match)
+    (struct bfd_elf_version_expr_head *head,
+     struct bfd_elf_version_expr *prev, const char *sym);
+};
+
 #endif