Automatic date update in version.in

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

diff --git a/gdb/objfiles.h b/gdb/objfiles.h
index af707154229c5b147041c608588ec51bc3556141..dbf38e3f3bdc1d8a606190cd49f6fa6565df158c 100644 (file)
--- a/gdb/objfiles.h
+++ b/gdb/objfiles.h
@@ -1,6 +1,6 @@
 /* Definitions for symbol file management in GDB.
 
-   Copyright (C) 1992-2015 Free Software Foundation, Inc.
+   Copyright (C) 1992-2016 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -20,7 +20,9 @@
 #if !defined (OBJFILES_H)
 #define OBJFILES_H
 
+#include "hashtab.h"
 #include "gdb_obstack.h"       /* For obstack internals.  */
+#include "objfile-flags.h"
 #include "symfile.h"           /* For struct psymbol_allocation_list.  */
 #include "progspace.h"
 #include "registry.h"
@@ -287,10 +289,9 @@ struct objfile
 
   CORE_ADDR addr_low;
 
-  /* Some flag bits for this objfile.
-     The values are defined by OBJF_*.  */
+  /* Some flag bits for this objfile.  */
 
-  unsigned short flags;
+  objfile_flags flags;
 
   /* The program space associated with this objfile.  */
 
@@ -428,56 +429,25 @@ struct objfile
      properly.  */
 
   struct symbol *template_symbols;
-};
-
-/* Defines for the objfile flag word.  */
-
-/* When an object file has its functions reordered (currently Irix-5.2
-   shared libraries exhibit this behaviour), we will need an expensive
-   algorithm to locate a partial symtab or symtab via an address.
-   To avoid this penalty for normal object files, we use this flag,
-   whose setting is determined upon symbol table read in.  */
-
-#define OBJF_REORDERED (1 << 0)        /* Functions are reordered */
-
-/* Distinguish between an objfile for a shared library and a "vanilla"
-   objfile.  This may come from a target's implementation of the solib
-   interface, from add-symbol-file, or any other mechanism that loads
-   dynamic objects.  */
-
-#define OBJF_SHARED     (1 << 1)       /* From a shared library */
-
-/* User requested that this objfile be read in it's entirety.  */
-
-#define OBJF_READNOW   (1 << 2)        /* Immediate full read */
-
-/* This objfile was created because the user explicitly caused it
-   (e.g., used the add-symbol-file command).  This bit offers a way
-   for run_command to remove old objfile entries which are no longer
-   valid (i.e., are associated with an old inferior), but to preserve
-   ones that the user explicitly loaded via the add-symbol-file
-   command.  */
-
-#define OBJF_USERLOADED        (1 << 3)        /* User loaded */
 
-/* Set if we have tried to read partial symtabs for this objfile.
-   This is used to allow lazy reading of partial symtabs.  */
+  /* Associate a static link (struct dynamic_prop *) to all blocks (struct
+     block *) that have one.
 
-#define OBJF_PSYMTABS_READ (1 << 4)
+     In the context of nested functions (available in Pascal, Ada and GNU C,
+     for instance), a static link (as in DWARF's DW_AT_static_link attribute)
+     for a function is a way to get the frame corresponding to the enclosing
+     function.
 
-/* Set if this is the main symbol file
-   (as opposed to symbol file for dynamically loaded code).  */
-
-#define OBJF_MAINLINE (1 << 5)
-
-/* ORIGINAL_NAME and OBFD->FILENAME correspond to text description unrelated to
-   filesystem names.  It can be for example "<image in memory>".  */
-
-#define OBJF_NOT_FILENAME (1 << 6)
+     Very few blocks have a static link, so it's more memory efficient to
+     store these here rather than in struct block.  Static links must be
+     allocated on the objfile's obstack.  */
+  htab_t static_links;
+};
 
 /* Declarations for functions defined in objfiles.c */
 
-extern struct objfile *allocate_objfile (bfd *, const char *name, int);
+extern struct objfile *allocate_objfile (bfd *, const char *name,
+                                        objfile_flags);
 
 extern struct gdbarch *get_objfile_arch (const struct objfile *);
 
@@ -487,8 +457,6 @@ extern CORE_ADDR entry_point_address (void);
 
 extern void build_objfile_section_table (struct objfile *);
 
-extern void terminate_minimal_symbol_table (struct objfile *objfile);
-
 extern struct objfile *objfile_separate_debug_iterate (const struct objfile *,
                                                        const struct objfile *);
 
@@ -730,9 +698,22 @@ const char *objfile_filename (const struct objfile *objfile);
 
 extern const char *objfile_debug_name (const struct objfile *objfile);
 
+/* Return the name of the file format of OBJFILE if the file has been opened,
+   otherwise return NULL.  */
+
+const char *objfile_flavour_name (struct objfile *objfile);
+
 /* Set the objfile's notion of the "main" name and language.  */
 
 extern void set_objfile_main_name (struct objfile *objfile,
                                   const char *name, enum language lang);
 
+extern void objfile_register_static_link
+  (struct objfile *objfile,
+   const struct block *block,
+   const struct dynamic_prop *static_link);
+
+extern const struct dynamic_prop *objfile_lookup_static_link
+  (struct objfile *objfile, const struct block *block);
+
 #endif /* !defined (OBJFILES_H) */