Tweak comments in struct dwarf2_per_cu_data

When I read the comments to field 'u' of struct dwarf2_per_cu_data,
I don't think the comments say anything useful.  I update it per
my understanding.

gdb:

2014-08-07  Yao Qi  <yao@codesourcery.com>

	* dwarf2read.c (struct dwarf2_per_cu_data) <u>: Tweak comments.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index 8146dea..68d1db9 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,9 @@
 2014-08-07  Yao Qi  <yao@codesourcery.com>
 
+       * dwarf2read.c (struct dwarf2_per_cu_data) <u>: Tweak comments.
+
+2014-08-07  Yao Qi  <yao@codesourcery.com>
+
        PR remote/17230
        * remote-mips.c (mips_xfer_memory): Set *xfered_len and return
        TARGET_XFER_OK instead of 0.

diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
index 098f5a3..abe47d1 100644 (file)
--- a/gdb/dwarf2read.c
+++ b/gdb/dwarf2read.c
@@ -611,8 +611,8 @@ struct dwarf2_per_cu_data
      However we can enter this file with just a "per_cu" handle.  */
   struct objfile *objfile;
 
-  /* When using partial symbol tables, the 'psymtab' field is active.
-     Otherwise the 'quick' field is active.  */
+  /* When dwarf2_per_objfile->using_index is true, the 'quick' field
+     is active.  Otherwise, the 'psymtab' field is active.  */
   union
   {
     /* The partial symbol table associated with this compilation unit,