From: kaashoek <none@none>
Date: Wed, 25 Nov 1987 14:03:48 +0000 (+0000)
Subject: *** empty log message ***
X-Git-Tag: release-5-5~3705
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=1240849cda263feb0c254b2347ab60097bbb718f;p=ack.git

*** empty log message ***
---

diff --git a/util/ceg/ce_back/obj_back/back.h b/util/ceg/ce_back/obj_back/back.h
index c19148c72..a64756525 100644
--- a/util/ceg/ce_back/obj_back/back.h
+++ b/util/ceg/ce_back/obj_back/back.h
@@ -1,20 +1,34 @@
+/* This file must be included in all the files which use the backlibrary.
+ */
+
 extern char *extnd_name(), *extnd_dnam(), *extnd_dlb(), *extnd_ilb(),
 	    *extnd_hol(), *extnd_ext(), *extnd_pro(), *extnd_start();
 extern holno, procno;
 
 #include "data.h"
 
+/* These routines are called very often, thus we turned them into macros. */
+
 #define text1(b) {if (text-text_area>=size_text)  mem_text() ; *text++=b;}
 #define con1(b) {if (data-data_area>=size_data) mem_data(); *data++ = b;}
 #define rom1(b) {if (data-data_area>=size_data) mem_data(); *data++=b;}
 #define bss( n)		( nbss += n)
 
+
+/* Numbering of the segments and some global constants */
+
 #define 	SEGTXT		0
 #define 	SEGROM		1
 #define 	SEGCON		2
 #define 	SEGBSS		3
 
-#define swtxt()         switchseg( SEGTXT)
+#define swtxt()		sitchseg( SEGTXT)
+
+#define 	PC_REL  	1
+#define 	ABSOLUTE 	!PC_REL
+
+
+/* Initialize values. */
 
 #define MAXTEXT		20
 #define MAXDATA		20
@@ -23,5 +37,3 @@ extern holno, procno;
 #define	MAXSTRING	20
 #define MAXHASH		256
 
-#define PC_REL  1
-#define ABSOLUTE !PC_REL
diff --git a/util/ceg/ce_back/obj_back/data.h b/util/ceg/ce_back/obj_back/data.h
index abdfc1862..8937b96c3 100644
--- a/util/ceg/ce_back/obj_back/data.h
+++ b/util/ceg/ce_back/obj_back/data.h
@@ -1,3 +1,5 @@
+/* The global datastructures (see "data.c"). */
+
 extern long 	cur_value();
 
 extern int 	cur_seg;
diff --git a/util/ceg/ce_back/obj_back/header.h b/util/ceg/ce_back/obj_back/header.h
index fdc9be34f..a63379409 100644
--- a/util/ceg/ce_back/obj_back/header.h
+++ b/util/ceg/ce_back/obj_back/header.h
@@ -1,3 +1,5 @@
+/* Constants and a macro that are global to the back library. */
+
 #define SYMBOL_DEFINITION	1
 #define REFERENCE		2
 #define STORE_STRING		3