gdb/

[deliverable/binutils-gdb.git] / gdb / dwarf2loc.h

diff --git a/gdb/dwarf2loc.h b/gdb/dwarf2loc.h
index 5b6ebe20b821f5c6c7d07c6fbd0cf6da37a41e14..fa0bd11f546e6ca244601ca8e5730dc0c3728e95 100644 (file)
--- a/gdb/dwarf2loc.h
+++ b/gdb/dwarf2loc.h
@@ -1,12 +1,13 @@
 /* DWARF 2 location expression support for GDB.
 
-   Copyright (C) 2003, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2003, 2005, 2007, 2008, 2009, 2010
+   Free Software Foundation, Inc.
 
    This file is part of GDB.
 
    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,
@@ -15,18 +16,24 @@
    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 (DWARF2LOC_H)
 #define DWARF2LOC_H
 
-struct symbol_ops;
+struct symbol_computed_ops;
+struct objfile;
+struct dwarf2_per_cu_data;
 
 /* This header is private to the DWARF-2 reader.  It is shared between
    dwarf2read.c and dwarf2loc.c.  */
 
+/* Return the OBJFILE associated with the compilation unit CU.  */
+struct objfile *dwarf2_per_cu_objfile (struct dwarf2_per_cu_data *cu);
+
+/* Return the address size given in the compilation unit header for CU.  */
+CORE_ADDR dwarf2_per_cu_addr_size (struct dwarf2_per_cu_data *cu);
+
 /* The symbol location baton types used by the DWARF-2 reader (i.e.
    SYMBOL_LOCATION_BATON for a LOC_COMPUTED symbol).  "struct
    dwarf2_locexpr_baton" is for a symbol with a single location
@@ -39,10 +46,11 @@ struct dwarf2_locexpr_baton
   gdb_byte *data;
 
   /* Length of the location expression.  */
-  unsigned short size;
+  unsigned long size;
 
-  /* The objfile containing the symbol whose location we're computing.  */
-  struct objfile *objfile;
+  /* The compilation unit containing the symbol whose location
+     we're computing.  */
+  struct dwarf2_per_cu_data *per_cu;
 };
 
 struct dwarf2_loclist_baton
@@ -55,17 +63,14 @@ struct dwarf2_loclist_baton
   gdb_byte *data;
 
   /* Length of the location list.  */
-  unsigned short size;
-
-  /* The objfile containing the symbol whose location we're computing.  */
-  /* Used (only???) by thread local variables.  The objfile in which
-     this symbol is defined.  To find a thread-local variable (e.g., a
-     variable declared with the `__thread' storage class), we may need
-     to know which object file it's in.  */
-  struct objfile *objfile;
+  unsigned long size;
+
+  /* The compilation unit containing the symbol whose location
+     we're computing.  */
+  struct dwarf2_per_cu_data *per_cu;
 };
 
-extern const struct symbol_ops dwarf2_locexpr_funcs;
-extern const struct symbol_ops dwarf2_loclist_funcs;
+extern const struct symbol_computed_ops dwarf2_locexpr_funcs;
+extern const struct symbol_computed_ops dwarf2_loclist_funcs;
 
 #endif /* dwarf2loc.h */