gdb: add target_ops::supports_displaced_step

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

diff --git a/gdb/psymtab.h b/gdb/psymtab.h
index 0ad2b49d9a5c03b9a63a36e16cfacdb3d4b88021..e8bafbe4338f8cd32e79fea653b17704708331b5 100644 (file)
--- a/gdb/psymtab.h
+++ b/gdb/psymtab.h
@@ -1,6 +1,6 @@
 /* Public partial symbol table definitions.
 
 /* Public partial symbol table definitions.
 

-   Copyright (C) 2009-2019 Free Software Foundation, Inc.
+   Copyright (C) 2009-2020 Free Software Foundation, Inc.

 
    This file is part of GDB.
 
 
    This file is part of GDB.
 


@@ -36,7 +36,9 @@ struct partial_symbol;
    other memory managed by this class), or on the per-BFD object.  The
    only link from the psymtab storage object back to the objfile (or
    objfile_obstack) that is made by the core psymtab code is the
    other memory managed by this class), or on the per-BFD object.  The
    only link from the psymtab storage object back to the objfile (or
    objfile_obstack) that is made by the core psymtab code is the

-   compunit_symtab member in the psymtab.
+   compunit_symtab member in the standard_psymtab -- and a given
+   symbol reader can avoid this by implementing its own subclasses of
+   partial_symtab.

 
    However, it is up to each symbol reader to maintain this invariant
    in other ways, if it wants to reuse psymtabs across multiple
 
    However, it is up to each symbol reader to maintain this invariant
    in other ways, if it wants to reuse psymtabs across multiple


@@ -83,11 +85,10 @@ public:
     return OBSTACK_CALLOC (obstack (), number, struct partial_symtab *);
   }
 
     return OBSTACK_CALLOC (obstack (), number, struct partial_symtab *);
   }
 

-  /* Allocate a new psymtab on the psymtab obstack.  The new psymtab
-     will be linked in to the "psymtabs" list, but otherwise all other
-     fields will be zero.  */
+  /* Install a psymtab on the psymtab list.  This transfers ownership
+     of PST to this object.  */

 
 

-  struct partial_symtab *allocate_psymtab ();
+  void install_psymtab (partial_symtab *pst);

 
   typedef next_adapter<struct partial_symtab> partial_symtab_range;
 
 
   typedef next_adapter<struct partial_symtab> partial_symtab_range;
 


@@ -120,7 +121,7 @@ public:
   /* A byte cache where we can stash arbitrary "chunks" of bytes that
      will not change.  */
 
   /* A byte cache where we can stash arbitrary "chunks" of bytes that
      will not change.  */
 

-  struct bcache psymbol_cache;
+  gdb::bcache psymbol_cache;

 
   /* Vectors of all partial symbols read in from file.  The actual data
      is stored in the objfile_obstack.  */
 
   /* Vectors of all partial symbols read in from file.  The actual data
      is stored in the objfile_obstack.  */


@@ -128,11 +129,13 @@ public:
   std::vector<partial_symbol *> global_psymbols;
   std::vector<partial_symbol *> static_psymbols;
 
   std::vector<partial_symbol *> global_psymbols;
   std::vector<partial_symbol *> static_psymbols;
 

-private:
+  /* Stack of vectors of partial symbols, using during psymtab
+     initialization.  */

 
 

-  /* List of freed partial symtabs, available for re-use.  */
+  std::vector<std::vector<partial_symbol *>*> current_global_psymbols;
+  std::vector<std::vector<partial_symbol *>*> current_static_psymbols;

 
 

-  struct partial_symtab *free_psymtabs = nullptr;
+private:

 
   /* The obstack where allocations are made.  This is lazily allocated
      so that we don't waste memory when there are no psymtabs.  */
 
   /* The obstack where allocations are made.  This is lazily allocated
      so that we don't waste memory when there are no psymtabs.  */


@@ -147,11 +150,11 @@ extern const struct quick_symbol_functions dwarf2_gdb_index_functions;
 extern const struct quick_symbol_functions dwarf2_debug_names_functions;
 
 /* Ensure that the partial symbols for OBJFILE have been loaded.  If
 extern const struct quick_symbol_functions dwarf2_debug_names_functions;
 
 /* Ensure that the partial symbols for OBJFILE have been loaded.  If

-   VERBOSE is non-zero, then this will print a message when symbols
+   VERBOSE is true, then this will print a message when symbols

    are loaded.  This function returns a range adapter suitable for
    iterating over the psymtabs of OBJFILE.  */
 
 extern psymtab_storage::partial_symtab_range require_partial_symbols
    are loaded.  This function returns a range adapter suitable for
    iterating over the psymtabs of OBJFILE.  */
 
 extern psymtab_storage::partial_symtab_range require_partial_symbols

-    (struct objfile *objfile, int verbose);
+    (struct objfile *objfile, bool verbose);

 
 #endif /* PSYMTAB_H */
 
 #endif /* PSYMTAB_H */