* fileread.cc (File_read::get_mtime): New method.

	* fileread.h (Timespec): New structure.
	(File_read::get_mtime): New method.
	* incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
	Renamed from timestamp_nsec.
	(Incremental_inputs_entry_write::timestamp_sec): Fix argument to
	Elf_Xword.
	(Incremental_inputs_entry_write::timestamp_usec): Renamed from
	timestamp_nsec.
	(Incremental_inputs::report_archive): Save mtime; style fix.
	(Incremental_inputs::report_obejct): Save mtime; style fix.
	(Incremental_inputs::report_script): Save mtime; style fix.
	(Incremental_inputs::finalize_inputs): Style fix.
	(Incremental_inputs::finalize): Style fix.
	(Incremental_inputs::create_input_section_data): Store inputs
	mtime.
	* incremental.h (Incremental_inputs::report_script): Add mtime
	argument.
	(Incremental_inputs::Input_info::Input_info): Intialize only one
	union member.
	(Incremental_inputs::Input_info::archive): Move to nameless
	union.
	(Incremental_inputs::Input_info::obejct): Move to nameless union.
	(Incremental_inputs::Input_info::script): Move to nameless union.
	(Incremental_inputs::mtime): New field.
	* script.cc (read_input_script): Pass file mtime to
	Incremental_input.
	* script.h (Script_info::inputs): Style fix.

1 files changed, 22 insertions, 0 deletions

diff --git a/gold/fileread.h b/gold/fileread.h
index 4d19824..920a4da 100644
--- a/gold/fileread.h
+++ b/gold/fileread.h
@@ -35,6 +35,23 @@
 namespace gold
 {
 
+// Since not all system supports stat.st_mtim and struct timespec,
+// we define our own structure and fill the nanoseconds if we can.
+
+struct Timespec
+{
+  Timespec()
+    : seconds(0), nanoseconds(0)
+  { }
+
+  Timespec(time_t a_seconds, int a_nanoseconds)
+    : seconds(a_seconds), nanoseconds(a_nanoseconds)
+  { }
+
+  time_t seconds;
+  int nanoseconds;
+};
+
 class Position_dependent_options;
 class Input_file_argument;
 class Dirsearch;
@@ -190,6 +207,11 @@ class File_read
     this->reopen_descriptor();
     return this->descriptor_;
   }
+  
+  // Return the file last modification time.  Calls gold_fatal if the stat
+  // system call failed.
+  Timespec
+  get_mtime();
 
  private:
   // This class may not be copied.