From: Ian Lance Taylor <ian@airs.com>
Date: Mon, 25 Oct 2004 15:25:20 +0000 (+0000)
Subject: 	* stabs.c (stab_demangle_v3_arglist): New static function, broken
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=2b4c4cc415203ba612b819e52c1a3d1169ce7c99;p=binutils-gdb.git

	* stabs.c (stab_demangle_v3_arglist): New static function, broken
	out of stab_demangle_v3_argtypes.
	(stab_demangle_v3_argtypes): Call it.
	(stab_demangle_v3_arg): Handle DEMANGLE_COMPONENT_FUNCTION_TYPE.
	If we find an unrecognized component, print out its number.
---

diff --git a/binutils/ChangeLog b/binutils/ChangeLog
index 936792c310f..3d833e40105 100644
--- a/binutils/ChangeLog
+++ b/binutils/ChangeLog
@@ -1,3 +1,11 @@
+2004-10-25  Ian Lance Taylor  <ian@wasabisystems.com>
+
+	* stabs.c (stab_demangle_v3_arglist): New static function, broken
+	out of stab_demangle_v3_argtypes.
+	(stab_demangle_v3_argtypes): Call it.
+	(stab_demangle_v3_arg): Handle DEMANGLE_COMPONENT_FUNCTION_TYPE.
+	If we find an unrecognized component, print out its number.
+
 2004-10-25  David Mosberger  <davidm@hpl.hp.com>
 
 	* readelf.c (slurp_ia64_unwind_table): Support relocations against
diff --git a/binutils/stabs.c b/binutils/stabs.c
index 7af10ef54fa..52a20e848ae 100644
--- a/binutils/stabs.c
+++ b/binutils/stabs.c
@@ -203,6 +203,8 @@ static debug_type *stab_demangle_argtypes
   (void *, struct stab_handle *, const char *, bfd_boolean *, unsigned int);
 static debug_type *stab_demangle_v3_argtypes
   (void *, struct stab_handle *, const char *, bfd_boolean *);
+static debug_type *stab_demangle_v3_arglist
+  (void *, struct stab_handle *, struct demangle_component *, bfd_boolean *);
 static debug_type stab_demangle_v3_arg
   (void *, struct stab_handle *, struct demangle_component *, debug_type,
    bfd_boolean *);
@@ -5073,7 +5075,6 @@ stab_demangle_v3_argtypes (void *dhandle, struct stab_handle *info,
 {
   struct demangle_component *dc;
   void *mem;
-  unsigned int alloc, count;
   debug_type *pargs;
 
   dc = cplus_demangle_v3_components (physname, DMGL_PARAMS | DMGL_ANSI, &mem);
@@ -5093,13 +5094,35 @@ stab_demangle_v3_argtypes (void *dhandle, struct stab_handle *info,
       return NULL;
     }
 
+  pargs = stab_demangle_v3_arglist (dhandle, info,
+				    dc->u.s_binary.right->u.s_binary.right,
+				    pvarargs);
+
+  free (mem);
+
+  return pargs;
+}
+
+/* Demangle an argument list in a struct demangle_component tree.
+   Returns a DEBUG_TYPE_NULL terminated array of argument types, and
+   sets *PVARARGS to indicate whether this is a varargs function.  */
+
+static debug_type *
+stab_demangle_v3_arglist (void *dhandle, struct stab_handle *info,
+			  struct demangle_component *arglist,
+			  bfd_boolean *pvarargs)
+{
+  struct demangle_component *dc;
+  unsigned int alloc, count;
+  debug_type *pargs;
+
   alloc = 10;
   pargs = (debug_type *) xmalloc (alloc * sizeof *pargs);
   *pvarargs = FALSE;
 
   count = 0;
 
-  for (dc = dc->u.s_binary.right->u.s_binary.right;
+  for (dc = arglist;
        dc != NULL;
        dc = dc->u.s_binary.right)
     {
@@ -5108,8 +5131,8 @@ stab_demangle_v3_argtypes (void *dhandle, struct stab_handle *info,
 
       if (dc->type != DEMANGLE_COMPONENT_ARGLIST)
 	{
-	  fprintf (stderr, _("Unexpected type in demangle tree\n"));
-	  free (mem);
+	  fprintf (stderr, _("Unexpected type in v3 arglist demangling\n"));
+	  free (pargs);
 	  return NULL;
 	}
 
@@ -5122,7 +5145,7 @@ stab_demangle_v3_argtypes (void *dhandle, struct stab_handle *info,
 	      *pvarargs = TRUE;
 	      continue;
 	    }
-	  free (mem);
+	  free (pargs);
 	  return NULL;
 	}
 
@@ -5138,8 +5161,6 @@ stab_demangle_v3_argtypes (void *dhandle, struct stab_handle *info,
 
   pargs[count] = DEBUG_TYPE_NULL;
 
-  free (mem);
-
   return pargs;
 }
 
@@ -5173,12 +5194,12 @@ stab_demangle_v3_arg (void *dhandle, struct stab_handle *info,
     case DEMANGLE_COMPONENT_COMPLEX:
     case DEMANGLE_COMPONENT_IMAGINARY:
     case DEMANGLE_COMPONENT_VENDOR_TYPE:
-    case DEMANGLE_COMPONENT_FUNCTION_TYPE:
     case DEMANGLE_COMPONENT_ARRAY_TYPE:
     case DEMANGLE_COMPONENT_PTRMEM_TYPE:
     case DEMANGLE_COMPONENT_ARGLIST:
     default:
-      fprintf (stderr, _("Unrecognized demangle component\n"));
+      fprintf (stderr, _("Unrecognized demangle component %d\n"),
+	       (int) dc->type);
       return NULL;
 
     case DEMANGLE_COMPONENT_NAME:
@@ -5269,6 +5290,34 @@ stab_demangle_v3_arg (void *dhandle, struct stab_handle *info,
 	  return debug_make_reference_type (dhandle, dt);
 	}
 
+    case DEMANGLE_COMPONENT_FUNCTION_TYPE:
+      {
+	debug_type *pargs;
+	bfd_boolean varargs;
+
+	if (dc->u.s_binary.left == NULL)
+	  {
+	    /* In this case the return type is actually unknown.
+	       However, I'm not sure this will ever arise in practice;
+	       normally an unknown return type would only appear at
+	       the top level, which is handled above.  */
+	    dt = debug_make_void_type (dhandle);
+	  }
+	else
+	  dt = stab_demangle_v3_arg (dhandle, info, dc->u.s_binary.left, NULL,
+				     NULL);
+	if (dt == NULL)
+	  return NULL;
+
+	pargs = stab_demangle_v3_arglist (dhandle, info,
+					  dc->u.s_binary.right,
+					  &varargs);
+	if (pargs == NULL)
+	  return NULL;
+
+	return debug_make_function_type (dhandle, dt, pargs, varargs);
+      }
+
     case DEMANGLE_COMPONENT_BUILTIN_TYPE:
       {
 	char *p;