1 files changed, 79 insertions, 0 deletions
diff --git a/vere/ext/nasm/include/labels.h b/vere/ext/nasm/include/labels.h
new file mode 100644
index 0000000..a825d1f
--- /dev/null
+++ b/vere/ext/nasm/include/labels.h
@@ -0,0 +1,79 @@
+/* ----------------------------------------------------------------------- *
+ *   
+ *   Copyright 1996-2018 The NASM Authors - All Rights Reserved
+ *   See the file AUTHORS included with the NASM distribution for
+ *   the specific copyright holders.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following
+ *   conditions are met:
+ *
+ *   * Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above
+ *     copyright notice, this list of conditions and the following
+ *     disclaimer in the documentation and/or other materials provided
+ *     with the distribution.
+ *     
+ *     THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ *     CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ *     INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *     MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ *     DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ *     CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *     SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ *     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ *     LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ *     HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ *     CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ *     OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ *     EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * ----------------------------------------------------------------------- */
+
+/* 
+ * labels.h  header file for labels.c
+ */
+
+#ifndef LABELS_H
+#define LABELS_H
+
+#include "compiler.h"
+
+enum mangle_index {
+    LM_LPREFIX,                 /* Local variable prefix */
+    LM_LSUFFIX,                 /* Local variable suffix */
+    LM_GPREFIX,                 /* Global variable prefix */
+    LM_GSUFFIX                  /* GLobal variable suffix */
+};
+
+enum label_type {
+    LBL_none = -1,              /* No label */
+    LBL_LOCAL = 0,              /* Must be zero */
+    LBL_STATIC,
+    LBL_GLOBAL,
+    LBL_EXTERN,
+    LBL_REQUIRED,               /* Like extern but emit even if unused */
+    LBL_COMMON,
+    LBL_SPECIAL,                /* Magic symbols like ..start */
+    LBL_BACKEND                 /* Backend-defined symbols like ..got */
+};
+
+enum label_type lookup_label(const char *label, int32_t *segment, int64_t *offset);
+static inline bool is_extern(enum label_type type)
+{
+    return type == LBL_EXTERN || type == LBL_REQUIRED;
+}
+void define_label(const char *label, int32_t segment, int64_t offset,
+                  bool normal);
+void backend_label(const char *label, int32_t segment, int64_t offset);
+bool declare_label(const char *label, enum label_type type,
+                   const char *special);
+void set_label_mangle(enum mangle_index which, const char *what);
+int init_labels(void);
+void cleanup_labels(void);
+const char *local_scope(const char *label);
+
+extern uint64_t global_offset_changed;
+
+#endif /* LABELS_H */