gdb/

[binutils-gdb.git] / gdb / linespec.c

diff --git a/gdb/linespec.c b/gdb/linespec.c
index 70e27f7683c3c22a8306ee28b540f45db5b7f9ea..138f0d8a3360b31b12cfc456487202f5aeafab3a 100644 (file)
--- a/gdb/linespec.c
+++ b/gdb/linespec.c
@@ -2,7 +2,7 @@
 
    Copyright (C) 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995,
    1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007, 2008,
-   2009 Free Software Foundation, Inc.
+   2009, 2010 Free Software Foundation, Inc.
 
    This file is part of GDB.
 
@@ -1172,11 +1172,19 @@ decode_objc (char **argptr, int funfirstline, struct symtab *file_symtab,
        }
       else
        {
-         /* The only match was a non-debuggable symbol.  */
-         values.sals[0].symtab = NULL;
-         values.sals[0].line = 0;
-         values.sals[0].end = 0;
-         values.sals[0].pc = SYMBOL_VALUE_ADDRESS (sym_arr[0]);
+         /* The only match was a non-debuggable symbol, which might point
+            to a function descriptor; resolve it to the actual code address
+            instead.  */
+         struct minimal_symbol *msymbol = (struct minimal_symbol *)sym_arr[0];
+         struct objfile *objfile = msymbol_objfile (msymbol);
+         struct gdbarch *gdbarch = get_objfile_arch (objfile);
+         CORE_ADDR pc = SYMBOL_VALUE_ADDRESS (msymbol);
+
+         pc = gdbarch_convert_from_func_ptr_addr (gdbarch, pc,
+                                                  &current_target);
+
+         init_sal (&values.sals[0]);
+         values.sals[0].pc = pc;
        }
       return values;
     }
@@ -1420,6 +1428,7 @@ lookup_prefix_sym (char **argptr, char *p)
 {
   char *p1;
   char *copy;
+  struct symbol *sym;
 
   /* Extract the class name.  */
   p1 = p;
@@ -1438,7 +1447,26 @@ lookup_prefix_sym (char **argptr, char *p)
   /* At this point p1->"::inA::fun", p->"inA::fun" copy->"AAA",
      argptr->"inA::fun" */
 
-  return lookup_symbol (copy, 0, STRUCT_DOMAIN, 0);
+  sym = lookup_symbol (copy, 0, STRUCT_DOMAIN, 0);
+  if (sym == NULL)
+    {
+      /* Typedefs are in VAR_DOMAIN so the above symbol lookup will
+        fail when the user attempts to lookup a method of a class
+        via a typedef'd name (NOT via the class's name, which is already
+        handled in symbol_matches_domain).  So try the lookup again
+        using VAR_DOMAIN (where typedefs live) and double-check that we
+        found a struct/class type.  */
+      struct symbol *s = lookup_symbol (copy, 0, VAR_DOMAIN, 0);
+      if (s != NULL)
+       {
+         struct type *t = SYMBOL_TYPE (s);
+         CHECK_TYPEDEF (t);
+         if (TYPE_CODE (t) == TYPE_CODE_STRUCT)
+           return s;
+       }
+    }
+
+  return sym;
 }
 
 /* This finds the method COPY in the class whose type is T and whose
@@ -1576,6 +1604,8 @@ decode_all_digits (char **argptr, struct symtab *default_symtab,
 
   init_sal (&val);
 
+  val.pspace = current_program_space;
+
   /* This is where we need to make sure that we have good defaults.
      We must guarantee that this section of code is never executed
      when we are called with just a function name, since
@@ -1627,6 +1657,7 @@ decode_all_digits (char **argptr, struct symtab *default_symtab,
   if (val.symtab == 0)
     val.symtab = file_symtab;
 
+  val.pspace = SYMTAB_PSPACE (val.symtab);
   val.pc = 0;
   values.sals = (struct symtab_and_line *)
     xmalloc (sizeof (struct symtab_and_line));
@@ -1698,6 +1729,7 @@ decode_dollar (char *copy, int funfirstline, struct symtab *default_symtab,
   val.symtab = file_symtab ? file_symtab : default_symtab;
   val.line = valx;
   val.pc = 0;
+  val.pspace = current_program_space;
 
   values.sals = (struct symtab_and_line *) xmalloc (sizeof val);
   values.sals[0] = val;