BSD 4_4 release

[unix-history] / usr / src / usr.bin / pascal / src / pstab.h

diff --git a/usr/src/usr.bin/pascal/src/pstab.h b/usr/src/usr.bin/pascal/src/pstab.h
index 3d781d1..05084d7 100644 (file)
--- a/usr/src/usr.bin/pascal/src/pstab.h
+++ b/usr/src/usr.bin/pascal/src/pstab.h
@@ -1,14 +1,43 @@
-    /* static  char sccsid[] = "@(#)pstab.h 1.1 %G%"; */
+/*-
+ * Copyright (c) 1980, 1993
+ *     The Regents of the University of California.  All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *     This product includes software developed by the University of
+ *     California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
+ *
+ *     @(#)pstab.h     8.1 (Berkeley) 6/6/93
+ */

 
     /*
 
     /*

-     * the new .stab type for pascal separate compilation type checking
-     */
-#define        N_PC    0x30    /* global pascal symbol: name,,0,subtype,line */
-
-    /*
-     * subtypes within the above type
-     * subtypes N_PSO and N_PSOL are   .stabs  name,,0,subtype,0
-     * others subtypes are             .stabs  name,,0,subtype,line
+     * subtypes within the stab type N_PC
+     *
+     * subtypes N_PSO and N_PSOL are   .stabs  name,N_PC,0,subtype,checksum
+     * others subtypes are             .stabs  name,N_PC,0,subtype,line

      */
 #define        N_PSO           0x1     /* source file name */
 #define        N_PSOL          0x2     /* include file name */
      */
 #define        N_PSO           0x1     /* source file name */
 #define        N_PSOL          0x2     /* include file name */


@@ -20,3 +49,19 @@
 #define        N_PGPROC        0x8     /* global procedure */
 #define        N_PEFUNC        0x9     /* external function */
 #define        N_PEPROC        0xa     /* external procedure */
 #define        N_PGPROC        0x8     /* global procedure */
 #define        N_PEFUNC        0x9     /* external function */
 #define        N_PEPROC        0xa     /* external procedure */

+#define        N_PLDATA        0xb     /* library variable */
+#define        N_PLTEXT        0xc     /* library routine */
+
+    /*
+     * checksums are used to check if included files have changed.
+     * we also use them to check that .o files are up to date with
+     * the libraries.
+     * if a checksum is less than the flag checksum,
+     * then the checksum (and therefore the .o file) is out of date.
+     * if a checksum is equal to the flag checksum,
+     * then no furthur checking of the checksum is done.
+     * this is for the 2nd and subsequent times a file is stabed.
+     * to declare a flag day, increment this value. (also be sure 
+     *  to update this value in ../utilities/externs.awk)
+     */
+#define        N_FLAGCHECKSUM  1