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-rw-r--r--erts/emulator/beam/erl_term.h9
1 files changed, 5 insertions, 4 deletions
diff --git a/erts/emulator/beam/erl_term.h b/erts/emulator/beam/erl_term.h
index f10a3a9d38..982e63ee31 100644
--- a/erts/emulator/beam/erl_term.h
+++ b/erts/emulator/beam/erl_term.h
@@ -112,11 +112,11 @@ struct erl_node_; /* Declared in erl_node_tables.h */
* 1000 REFC_BINARY | |
* 1001 HEAP_BINARY | BINARIES |
* 1010 SUB_BINARY | |
- * 1011 Not used
+ * 1011 Not used; see comment below
* 1100 EXTERNAL_PID | |
* 1101 EXTERNAL_PORT | EXTERNAL THINGS |
* 1110 EXTERNAL_REF | |
- * 1111 Not used
+ * 1111 MAP
*
* COMMENTS:
*
@@ -140,10 +140,11 @@ struct erl_node_; /* Declared in erl_node_tables.h */
#define REFC_BINARY_SUBTAG (0x8 << _TAG_PRIMARY_SIZE) /* BINARY */
#define HEAP_BINARY_SUBTAG (0x9 << _TAG_PRIMARY_SIZE) /* BINARY */
#define SUB_BINARY_SUBTAG (0xA << _TAG_PRIMARY_SIZE) /* BINARY */
-#define MAP_SUBTAG (0xB << _TAG_PRIMARY_SIZE) /* MAP */
+/* _BINARY_XXX_MASK depends on 0xB being unused */
#define EXTERNAL_PID_SUBTAG (0xC << _TAG_PRIMARY_SIZE) /* EXTERNAL_PID */
#define EXTERNAL_PORT_SUBTAG (0xD << _TAG_PRIMARY_SIZE) /* EXTERNAL_PORT */
#define EXTERNAL_REF_SUBTAG (0xE << _TAG_PRIMARY_SIZE) /* EXTERNAL_REF */
+#define MAP_SUBTAG (0xF << _TAG_PRIMARY_SIZE) /* MAP */
#define _TAG_HEADER_ARITYVAL (TAG_PRIMARY_HEADER|ARITYVAL_SUBTAG)
@@ -156,11 +157,11 @@ struct erl_node_; /* Declared in erl_node_tables.h */
#define _TAG_HEADER_REFC_BIN (TAG_PRIMARY_HEADER|REFC_BINARY_SUBTAG)
#define _TAG_HEADER_HEAP_BIN (TAG_PRIMARY_HEADER|HEAP_BINARY_SUBTAG)
#define _TAG_HEADER_SUB_BIN (TAG_PRIMARY_HEADER|SUB_BINARY_SUBTAG)
-#define _TAG_HEADER_MAP (TAG_PRIMARY_HEADER|MAP_SUBTAG)
#define _TAG_HEADER_EXTERNAL_PID (TAG_PRIMARY_HEADER|EXTERNAL_PID_SUBTAG)
#define _TAG_HEADER_EXTERNAL_PORT (TAG_PRIMARY_HEADER|EXTERNAL_PORT_SUBTAG)
#define _TAG_HEADER_EXTERNAL_REF (TAG_PRIMARY_HEADER|EXTERNAL_REF_SUBTAG)
#define _TAG_HEADER_BIN_MATCHSTATE (TAG_PRIMARY_HEADER|BIN_MATCHSTATE_SUBTAG)
+#define _TAG_HEADER_MAP (TAG_PRIMARY_HEADER|MAP_SUBTAG)
#define _TAG_HEADER_MASK 0x3F