MJIT: Compile methods in batches (#6900)

* MJIT: Compile methods in batches

* MJIT: make mjit-bindgen

* MJIT: Fix RubyVM::MJIT tests

1 files changed, 18 insertions, 6 deletions

diff --git a/mjit_c.h b/mjit_c.h
index aec8dd31f6..cc4040c9df 100644
--- a/mjit_c.h
+++ b/mjit_c.h
@@ -14,25 +14,31 @@
 #define NOT_COMPILED_STACK_SIZE -1
 #define ALREADY_COMPILED_P(status, pos) (status->stack_size_for_pos[pos] != NOT_COMPILED_STACK_SIZE)
 
-// Type of rb_mjit_unit
+// Linked list of struct rb_mjit_unit.
+struct rb_mjit_unit_list {
+    struct ccan_list_head head;
+    int length; // the list length
+};
+
 enum rb_mjit_unit_type {
-    // Single-ISEQ unit for mjit_compile
+    // Single-ISEQ unit for unit_queue
     MJIT_UNIT_ISEQ = 0,
+    // Multi-ISEQ unit for mjit_batch
+    MJIT_UNIT_BATCH = 1,
     // All-ISEQ unit for mjit_compact
-    MJIT_UNIT_COMPACT = 1,
+    MJIT_UNIT_COMPACT = 2,
 };
 
 // The unit structure that holds metadata of ISeq for MJIT.
-// TODO: Use different structs for ISEQ and COMPACT
+// TODO: Use different structs for ISEQ and BATCH/COMPACT
 struct rb_mjit_unit {
     struct ccan_list_node unode;
     // Unique order number of unit.
     int id;
-    // Dlopen handle of the loaded object file.
-    void *handle;
     // Type of this unit
     enum rb_mjit_unit_type type;
 
+    /* MJIT_UNIT_ISEQ */
     // ISEQ for a non-batch unit
     rb_iseq_t *iseq;
     // Only used by unload_units. Flag to check this unit is currently on stack or not.
@@ -43,6 +49,12 @@ struct rb_mjit_unit {
     const struct rb_callcache **cc_entries;
     // ISEQ_BODY(iseq)->ci_size + ones of inlined iseqs
     unsigned int cc_entries_size;
+
+    /* MJIT_UNIT_BATCH, MJIT_UNIT_COMPACT */
+    // Dlopen handle of the loaded object file.
+    void *handle;
+    // Units compacted by this batch
+    struct rb_mjit_unit_list units; // MJIT_UNIT_BATCH only
 };
 
 // Storage to keep data which is consistent in each conditional branch.