[PATCH v3 2/7] gdb: add debug prints in buildsym.c

[Simon Marchi <simon.marchi@polymtl.ca>]

Add a few debug prints in buildsym.c that were helpful to me in writing
this series.

Change-Id: If10a818feaee3ce1b78a2a254013b62dd578002b
---
 gdb/buildsym.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/gdb/buildsym.c b/gdb/buildsym.c
index c54e6586cedb..feef5038773f 100644
--- a/gdb/buildsym.c
+++ b/gdb/buildsym.c
@@ -496,6 +496,8 @@ buildsym_compunit::start_subfile (const char *name)
 {
   /* See if this subfile is already registered.  */
 
+  symtab_create_debug_printf ("name = %s", name);
+
   for (subfile *subfile = m_subfiles; subfile; subfile = subfile->next)
     {
       std::string subfile_name_holder;
@@ -516,6 +518,8 @@ buildsym_compunit::start_subfile (const char *name)
 
       if (FILENAME_CMP (subfile_name, name) == 0)
 	{
+	  symtab_create_debug_printf ("found existing symtab with name %s (%s)",
+				      subfile->name.c_str (), subfile_name);
 	  m_current_subfile = subfile;
 	  return;
 	}
@@ -744,6 +748,9 @@ buildsym_compunit::watch_main_source_file_lossage ()
 	     Copy its line_vector and symtab to the main subfile
 	     and then discard it.  */
 
+	  symtab_create_debug_printf ("using subfile %s as the main subfile",
+				      mainsub_alias->name.c_str ());
+
 	  mainsub->line_vector_entries
 	    = std::move (mainsub_alias->line_vector_entries);
 	  mainsub->symtab = mainsub_alias->symtab;
-- 
2.35.2