From 05cedcf6c14a80362a47750f56ad4ebb4d676e11 Mon Sep 17 00:00:00 2001
From: David Edelsohn <dje.gcc@gmail.com>
Date: Wed, 30 Nov 1994 01:29:26 +0000
Subject: [PATCH] Initial ARC support.

---
 bfd/.Sanitize | 36 ++++++++++++++++++++++++++++++++++++
 bfd/ChangeLog |  9 +++++++++
 bfd/bfd-in2.h | 14 +++++++++++++-
 3 files changed, 58 insertions(+), 1 deletion(-)

diff --git a/bfd/.Sanitize b/bfd/.Sanitize
index c5f1daebc21..ff20bb237ce 100644
--- a/bfd/.Sanitize
+++ b/bfd/.Sanitize
@@ -31,6 +31,14 @@ else
 	lose_these_too="${rce_files} ${lose_these_too}"
 fi
 
+arc_files="cpu-arc.c elf32-arc.c"
+
+if ( echo $* | grep keep\-arc > /dev/null ) ; then
+	keep_these_too="${arc_files} ${keep_these_too}"
+else
+	lose_these_too="${arc_files} ${lose_these_too}"
+fi
+
 # All files listed between the "Things-to-keep:" line and the
 # "Files-to-sed:" line will be kept.  All other files will be removed.
 # Directories listed in this section will have their own Sanitize
@@ -291,6 +299,34 @@ else
 	done
 fi
 
+arc_files="ChangeLog archures.c reloc.c targets.c config.bfd configure.in bfd-in2.h elfcode.h libbfd.h"
+if ( echo $* | grep keep\-arc > /dev/null ) ; then
+	for i in $arc_files ; do
+		if test ! -d $i && (grep sanitize-arc $i > /dev/null) ; then
+			if [ -n "${verbose}" ] ; then
+				echo Keeping arc stuff in $i
+			fi
+		fi
+	done
+else
+	for i in $arc_files ; do
+		if test ! -d $i && (grep sanitize-arc $i > /dev/null) ; then
+			if [ -n "${verbose}" ] ; then
+				echo Removing traces of \"arc\" from $i...
+			fi
+			cp $i new
+			sed '/start\-sanitize\-arc/,/end-\sanitize\-arc/d' < $i > new
+			if [ -n "${safe}" -a ! -f .Recover/$i ] ; then
+				if [ -n "${verbose}" ] ; then
+					echo Caching $i in .Recover...
+				fi
+				mv $i .Recover
+			fi
+			mv new $i
+		fi
+	done
+fi
+
 for i in * ; do
 	if test ! -d $i && (grep sanitize $i > /dev/null) ; then
 		echo '***' Some mentions of Sanitize are still left in $i! 1>&2
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 24dc49f6072..186697cf3f5 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,12 @@
+start-sanitize-arc
+Tue Nov 29 17:14:21 1994  Doug Evans  <dje@canuck.cygnus.com>
+
+	* archures.c: Initial support for the ARC.
+	* reloc.c, targets.c, config.bfd, configure.in, elfcode.h: Likewise.
+	* bfd-in2.h: Regenerated.
+	* libbfd.h: Likewise.
+end-sanitize-arc
+
 Tue Nov 29 14:00:19 1994  J.T. Conklin  <jtc@.rtl.cygnus.com>
 
 	* config.bfd (i[345]86-*-freebsd*): Use i386-bsd as bfd_name.
diff --git a/bfd/bfd-in2.h b/bfd/bfd-in2.h
index ae32bae3ef9..6a25c59e4bb 100644
--- a/bfd/bfd-in2.h
+++ b/bfd/bfd-in2.h
@@ -1028,8 +1028,11 @@ enum bfd_architecture
   bfd_arch_arm,        /* Advanced Risc Machines ARM */
   bfd_arch_ns32k,      /* National Semiconductors ns32000 */
   /* start-sanitize-rce */
-  bfd_arch_rce,	       /* Experimental Motorola RCE */
+  bfd_arch_rce,        /* Motorola RCE */
   /* end-sanitize-rce */
+  /* start-sanitize-arc */
+  bfd_arch_arc,        /* Argonaut RISC Core */
+  /* end-sanitize-arc */
   bfd_arch_last
   };
 
@@ -1510,6 +1513,15 @@ not stored in the instruction. */
   BFD_RELOC_ARM_SWI,
   BFD_RELOC_ARM_MULTI,
   BFD_RELOC_ARM_CP_OFF_IMM,
+/* start-sanitize-arc */
+
+/* Argonaut RISC Core (ARC) relocs.
+ARC 22 bit pc-relative branch.  The lowest two bits must be zero and are
+not stored in the instruction.  High 20 bits installed in bits 7 through 26
+of instruction. */
+  BFD_RELOC_ARC_B22_PCREL,
+/* end-sanitize-arc */
+
   BFD_RELOC_UNUSED };
 typedef enum bfd_reloc_code_real bfd_reloc_code_real_type;
 const struct reloc_howto_struct *
-- 
2.30.2