* xcoffread.c (read_xcoff_symtab): Make `debugfmt' const.

	* symtab.h (struct symtab) <producer, debugformat>: Now const.
	* symmisc.c (free_symtab): Don't free debugformat.
	* buildsym.h (struct subfile) <producer, debugformat>: Now const.
	(record_debugformat, record_producer): Document.
	* buildsym.c (end_symtab): Don't save debugformat and producer
	names on obstack.
	(end_symtab): Don't free debugformat and producer fields.
	(record_debugformat): Don't call xstrdup.
	(record_producer): Likewise.

1 files changed, 11 insertions, 3 deletions

diff --git a/gdb/buildsym.h b/gdb/buildsym.h
index 37fe69c..ce1a9fc 100644
--- a/gdb/buildsym.h
+++ b/gdb/buildsym.h
@@ -70,8 +70,8 @@ struct subfile
     struct linetable *line_vector;
     int line_vector_length;
     enum language language;
-    char *producer;
-    char *debugformat;
+    const char *producer;
+    const char *debugformat;
     struct symtab *symtab;
   };
 
@@ -292,7 +292,15 @@ extern void record_pending_block (struct objfile *objfile,
 				  struct block *block,
 				  struct pending_block *opblock);
 
-extern void record_debugformat (char *format);
+/* Record the name of the debug format in the current pending symbol
+   table.  FORMAT must be a string with a lifetime at least as long as
+   the symtab's objfile.  */
+
+extern void record_debugformat (const char *format);
+
+/* Record the name of the debuginfo producer (usually the compiler) in
+   the current pending symbol table.  PRODUCER must be a string with a
+   lifetime at least as long as the symtab's objfile.  */
 
 extern void record_producer (const char *producer);