1 files changed, 19 insertions, 0 deletions
diff --git a/gcc/cppinit.c b/gcc/cppinit.c
index 6f2a997..9b2ecca 100644
--- a/gcc/cppinit.c
+++ b/gcc/cppinit.c
@@ -1094,6 +1094,25 @@ cpp_finish (pfile)
 	    }
 	}
     }
+
+  if (opts->dump_macros == dump_only)
+    {
+      int i;
+      HASHNODE *h;
+      MACRODEF m;
+      for (i = HASHSIZE; --i >= 0;)
+	{
+	  for (h = pfile->hashtab[i]; h; h = h->next)
+	    if (h->type == T_MACRO)
+	      {
+		m.defn = h->value.defn;
+		m.symnam = h->name;
+		m.symlen = h->length;
+		dump_definition (pfile, m);
+		CPP_PUTC (pfile, '\n');
+	      }
+	}
+    }
 }
 
 /* Handle one command-line option in (argc, argv).