* gcov-io.h (gcov_write_bytes, gcov_read_bytes): Remove here.

	(GCOV_TAG_*) Force type to gcov_unsigned_t.
	(GCOV_CHECK, GCOV_CHECK_READING, GCOV_CHECK_WRITING): New.
	(struct gcov_var): Remove modified. Add start, length, offset,
	overread. Have buffer array for libgcov.
	(gcov_sync, gcov_seek): Definitions moved to gcov-io.c.
	(gcov_position, gcov_rewrite, gcov_is_eof): Adjust.
	* gcov-io.c (gcov_open): Set mode, do not read anything.
	(gcov_close): Write final block.
	 (gcov_write_block, gcov_allocate): New.
	(gcov_write_bytes): Make static. Write or allocate buffer.
	(gcov_write_unsigned, gcov_write_counter): Buffer can never be
	null.
	(gcov_write_string): Adjust.
	(gcov_write_tag)
	(gcov_write_length): Adjust. Flush the block.
	(gcov_write_tag_length): Buffer can never be null.
	(gcov_read_bytes): Make static. Read in block.
	(gcov_sync): Moved here. Adjust.
	(gcov_seek): Moved here. Adjust.
	* coverage.c (read_counts_file): Adjust.
	* gcov-dump.c (print_prefix): Add position parameter.
	(flag_dump_positions): New flag.
	(options, main, print_usage): Add it.
	(dump_file, tag_blocks, tag_arcs, tag_lines, tag_counters,
	tag_summary): Adjust.
	* gcov.c (read_graph_file, read_count_file): Adjust.
	* libgcov.c (gcov_exit): Adjust.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@66805 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 13 insertions, 11 deletions

diff --git a/gcc/coverage.c b/gcc/coverage.c
index 5926a7ea7a5..1b537c621eb 100644
--- a/gcc/coverage.c
+++ b/gcc/coverage.c
@@ -158,7 +158,9 @@ read_counts_file ()
   unsigned ix;
   counts_entry_t *summaried = NULL;
   unsigned seen_summary = 0;
-  
+  gcov_unsigned_t tag;
+  int error = 0;
+
   if (!gcov_open (da_file_name, 1))
     return;
   
@@ -187,13 +189,11 @@ read_counts_file ()
   counts_hash = htab_create (10,
 			     htab_counts_entry_hash, htab_counts_entry_eq,
 			     htab_counts_entry_del);
-  while (!gcov_is_eof ())
+  while ((tag = gcov_read_unsigned ()))
     {
-      gcov_unsigned_t tag, length;
+      gcov_unsigned_t length;
       gcov_position_t offset;
-      int error;
       
-      tag = gcov_read_unsigned ();
       length = gcov_read_unsigned ();
       offset = gcov_position ();
       if (tag == GCOV_TAG_FUNCTION)
@@ -284,14 +284,16 @@ read_counts_file ()
 	}
       gcov_sync (offset, length);
       if ((error = gcov_is_error ()))
-	{
-	  warning (error < 0 ? "`%s' has overflowed" : "`%s' is corrupted",
-		   da_file_name);
-	  htab_delete (counts_hash);
-	  break;
-	}
+	break;
     }
 
+  if (!gcov_is_eof ())
+    {
+      warning (error < 0 ? "`%s' has overflowed" : "`%s' is corrupted",
+	       da_file_name);
+      htab_delete (counts_hash);
+    }
+  
   gcov_close ();
 }