daily update

[deliverable/binutils-gdb.git] / gdb / symfile.h

diff --git a/gdb/symfile.h b/gdb/symfile.h
index b24acc1c931574fce208ff084960b18f56d5e561..8876df29dd2e7c21038db2da95e0e43101421e56 100644 (file)
--- a/gdb/symfile.h
+++ b/gdb/symfile.h
@@ -7,7 +7,7 @@
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
-   the Free Software Foundation; either version 2 of the License, or
+   the Free Software Foundation; either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
@@ -16,9 +16,7 @@
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
-   along with this program; if not, write to the Free Software
-   Foundation, Inc., 51 Franklin Street, Fifth Floor,
-   Boston, MA 02110-1301, USA.  */
+   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
 
 #if !defined (SYMFILE_H)
 #define SYMFILE_H
@@ -85,6 +83,31 @@ struct section_addr_info
   } other[1];
 };
 
+
+/* A table listing the load segments in a symfile, and which segment
+   each BFD section belongs to.  */
+struct symfile_segment_data
+{
+  /* How many segments are present in this file.  If there are
+     two, the text segment is the first one and the data segment
+     is the second one.  */
+  int num_segments;
+
+  /* If NUM_SEGMENTS is greater than zero, the original base address
+     of each segment.  */
+  CORE_ADDR *segment_bases;
+
+  /* If NUM_SEGMENTS is greater than zero, the memory size of each
+     segment.  */
+  CORE_ADDR *segment_sizes;
+
+  /* If NUM_SEGMENTS is greater than zero, this is an array of entries
+     recording which segment contains each BFD section.
+     SEGMENT_INFO[I] is S+1 if the I'th BFD section belongs to segment
+     S, or zero if it is not in any segment.  */
+  int *segment_info;
+};
+
 /* Structure to keep track of symbol reading functions for various
    object file types.  */
 
@@ -131,6 +154,17 @@ struct sym_fns
 
   void (*sym_offsets) (struct objfile *, struct section_addr_info *);
 
+  /* This function produces a format-independent description of
+     the segments of ABFD.  Each segment is a unit of the file
+     which may be relocated independently.  */
+
+  struct symfile_segment_data *(*sym_segments) (bfd *abfd);
+
+  /* This function should read the linetable from the objfile when
+     the line table cannot be read while processing the debugging
+     information.  */
+  void (*sym_read_linetable) (void);
+
   /* Finds the next struct sym_fns.  They are allocated and
      initialized in whatever module implements the functions pointed
      to; an initializer calls add_symtab_fns to add them to the global
@@ -146,6 +180,10 @@ struct sym_fns
 extern void default_symfile_offsets (struct objfile *objfile,
                                     struct section_addr_info *);
 
+/* The default version of sym_fns.sym_segments for readers that don't
+   do anything special.  */
+
+extern struct symfile_segment_data *default_symfile_segments (bfd *abfd);
 
 extern void extend_psymbol_list (struct psymbol_allocation_list *,
                                 struct objfile *);
@@ -313,6 +351,13 @@ extern void simple_overlay_update (struct obj_section *);
 extern bfd_byte *symfile_relocate_debug_section (bfd *abfd, asection *sectp,
                                                 bfd_byte * buf);
 
+extern int symfile_map_offsets_to_segments (bfd *,
+                                           struct symfile_segment_data *,
+                                           struct section_offsets *,
+                                           int, const CORE_ADDR *);
+struct symfile_segment_data *get_symfile_segment_data (bfd *abfd);
+void free_symfile_segment_data (struct symfile_segment_data *data);
+
 /* From dwarf2read.c */
 
 extern int dwarf2_has_info (struct objfile *);
@@ -320,6 +365,8 @@ extern int dwarf2_has_info (struct objfile *);
 extern void dwarf2_build_psymtabs (struct objfile *, int);
 extern void dwarf2_build_frame_info (struct objfile *);
 
+void dwarf2_free_objfile (struct objfile *);
+
 /* From mdebugread.c */
 
 /* Hack to force structures to exist before use in parameter list.  */