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-rw-r--r--gold/incremental.h26
1 files changed, 22 insertions, 4 deletions
diff --git a/gold/incremental.h b/gold/incremental.h
index 4342dcc..9650993 100644
--- a/gold/incremental.h
+++ b/gold/incremental.h
@@ -50,6 +50,24 @@ enum Incremental_input_type
INCREMENTAL_INPUT_SCRIPT = 4
};
+// Code invoked early during an incremental link that checks what files need
+// to be relinked.
+class Incremental_checker
+{
+ public:
+ Incremental_checker(const char* output_name)
+ : output_name_(output_name)
+ { }
+
+ // Analyzes the output file to check if incremental linking is possible and
+ // what files needs to be relinked.
+ bool
+ can_incrementally_link_output_file();
+
+ private:
+ const char* output_name_;
+};
+
// This class contains the information needed during an incremental
// build about the inputs necessary to build the .gnu_incremental_inputs.
class Incremental_inputs
@@ -127,11 +145,11 @@ class Incremental_inputs
{
// Present if type == INCREMENTAL_INPUT_ARCHIVE.
Archive* archive;
-
+
// Present if type == INCREMENTAL_INPUT_OBJECT or
// INCREMENTAL_INPUT_SHARED_LIBRARY.
Object* object;
-
+
// Present if type == INCREMENTAL_INPUT_SCRIPT.
Script_info* script;
};
@@ -141,7 +159,7 @@ class Incremental_inputs
// Position of the entry information in the output section.
unsigned int index;
-
+
// Last modification time of the file.
Timespec mtime;
};
@@ -151,7 +169,7 @@ class Incremental_inputs
// A lock guarding access to inputs_ during the first phase of linking, when
// report_ function may be called from multiple threads.
Lock* lock_;
-
+
// The list of input arguments obtained from parsing the command line.
const Input_arguments* inputs_;