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-rw-r--r--gold/ChangeLog21
-rw-r--r--gold/options.cc31
-rw-r--r--gold/options.h48
3 files changed, 96 insertions, 4 deletions
diff --git a/gold/ChangeLog b/gold/ChangeLog
index 7af0d90722f..957a0d5e4ab 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,24 @@
+2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
+
+ * options.h (enum Incremental_disposition): Define.
+ (class General_options): Add new options: --incremental,
+ --incremental_changed, --incremental_unchanged,
+ --incremental_unknown. Add incremental_disposition_ and
+ implicit_incremental_ fields.
+ (General_options::incremental_disposition): New function.
+ (class Position_dependent_options): Add incremental_disposition
+ option.
+ (Position_dependent_options::copy_from_options): Set incremental
+ dispositions.
+ * options.cc (General_options::parse_incremental_changed): New
+ function.
+ (General_options::parse_incremental_unchanged): New function.
+ (General_options::parse_incremental_unknown): New function.
+ (General_options::General_options): Initialize new fields
+ incremental_disposition_ and implicit_incremental_.
+ (General_options::finalize): Check for uasge of --incremental-*
+ without --incremental.
+
2009-02-06 Chris Demetriou <cgd@google.com>
* gold.h (gold_undefined_symbol): Change to take only a Symbol
diff --git a/gold/options.cc b/gold/options.cc
index ff9bd41c195..35ed8631375 100644
--- a/gold/options.cc
+++ b/gold/options.cc
@@ -290,6 +290,30 @@ General_options::parse_defsym(const char*, const char* arg,
}
void
+General_options::parse_incremental_changed(const char*, const char*,
+ Command_line*)
+{
+ this->implicit_incremental_ = true;
+ this->incremental_disposition_ = INCREMENTAL_CHANGED;
+}
+
+void
+General_options::parse_incremental_unchanged(const char*, const char*,
+ Command_line*)
+{
+ this->implicit_incremental_ = true;
+ this->incremental_disposition_ = INCREMENTAL_UNCHANGED;
+}
+
+void
+General_options::parse_incremental_unknown(const char*, const char*,
+ Command_line*)
+{
+ this->implicit_incremental_ = true;
+ this->incremental_disposition_ = INCREMENTAL_CHECK;
+}
+
+void
General_options::parse_library(const char*, const char* arg,
Command_line* cmdline)
{
@@ -621,7 +645,8 @@ namespace gold
General_options::General_options()
: execstack_status_(General_options::EXECSTACK_FROM_INPUT), static_(false),
- do_demangle_(false), plugins_()
+ do_demangle_(false), plugins_(),
+ incremental_disposition_(INCREMENTAL_CHECK), implicit_incremental_(false)
{
}
@@ -839,6 +864,10 @@ General_options::finalize()
"[0.0, 1.0)"),
this->hash_bucket_empty_fraction());
+ if (this->implicit_incremental_ && !this->incremental())
+ gold_fatal(_("Options --incremental-changed, --incremental-unchanged, "
+ "--incremental-unknown require the use of --incremental"));
+
// FIXME: we can/should be doing a lot more sanity checking here.
}
diff --git a/gold/options.h b/gold/options.h
index b980281a928..1d30a564513 100644
--- a/gold/options.h
+++ b/gold/options.h
@@ -56,6 +56,18 @@ class Position_dependent_options;
class Target;
class Plugin_manager;
+// Incremental build action for a specific file, as selected by the user.
+
+enum Incremental_disposition
+{
+ // Determine the status from the timestamp (default).
+ INCREMENTAL_CHECK,
+ // Assume the file changed from the previous build.
+ INCREMENTAL_CHANGED,
+ // Assume the file didn't change from the previous build.
+ INCREMENTAL_UNCHANGED
+};
+
// The nested namespace is to contain all the global variables and
// structs that need to be defined in the .h file, but do not need to
// be used outside this class.
@@ -660,6 +672,19 @@ class General_options
DEFINE_string(dynamic_linker, options::TWO_DASHES, 'I', NULL,
N_("Set dynamic linker path"), N_("PROGRAM"));
+ DEFINE_bool(incremental, options::TWO_DASHES, '\0', false,
+ N_("Work in progress; do not use"),
+ N_("Do a full build"));
+
+ DEFINE_special(incremental_changed, options::TWO_DASHES, '\0',
+ N_("Assume files changed"), NULL);
+
+ DEFINE_special(incremental_unchanged, options::TWO_DASHES, '\0',
+ N_("Assume files didn't change"), NULL);
+
+ DEFINE_special(incremental_unknown, options::TWO_DASHES, '\0',
+ N_("Use timestamps to check files (default)"), NULL);
+
DEFINE_special(just_symbols, options::TWO_DASHES, '\0',
N_("Read only symbol values from FILE"), N_("FILE"));
@@ -769,11 +794,11 @@ class General_options
N_("Do not link against shared libraries"), NULL);
DEFINE_bool(gc_sections, options::TWO_DASHES, '\0', false,
- N_("Remove unused sections"),
+ N_("Remove unused sections"),
N_("Don't remove unused sections (default)"));
-
+
DEFINE_bool(print_gc_sections, options::TWO_DASHES, '\0', false,
- N_("List removed unused sections on stderr"),
+ N_("List removed unused sections on stderr"),
N_("Do not list removed unused sections"));
DEFINE_bool(stats, options::TWO_DASHES, '\0', false,
@@ -969,6 +994,13 @@ class General_options
in_dynamic_list(const char* symbol) const
{ return this->dynamic_list_.version_script_info()->symbol_is_local(symbol); }
+ // The disposition given by the --incremental-changed,
+ // --incremental-unchanged or --incremental-unknown option. The
+ // value may change as we proceed parsing the command line flags.
+ Incremental_disposition
+ incremental_disposition() const
+ { return this->incremental_disposition_; }
+
private:
// Don't copy this structure.
General_options(const General_options&);
@@ -1026,6 +1058,14 @@ class General_options
// script.cc, we store this as a Script_options object, even though
// we only use a single Version_tree from it.
Script_options dynamic_list_;
+ // The disposition given by the --incremental-changed,
+ // --incremental-unchanged or --incremental-unknown option. The
+ // value may change as we proceed parsing the command line flags.
+ Incremental_disposition incremental_disposition_;
+ // Wheater we have seen one of the options that require incremental
+ // build (--incremental-changed, --incremental-unchanged or
+ // --incremental-unknown)
+ bool implicit_incremental_;
};
// The position-dependent options. We use this to store the state of
@@ -1062,12 +1102,14 @@ class Position_dependent_options
this->set_Bdynamic(options.Bdynamic());
this->set_format_enum(options.format_enum());
this->set_whole_archive(options.whole_archive());
+ this->set_incremental_disposition(options.incremental_disposition());
}
DEFINE_posdep(as_needed, bool);
DEFINE_posdep(Bdynamic, bool);
DEFINE_posdep(format_enum, General_options::Object_format);
DEFINE_posdep(whole_archive, bool);
+ DEFINE_posdep(incremental_disposition, Incremental_disposition);
private:
// This is a General_options with everything set to its default