From: Jeff Law <law@redhat.com>
Date: Mon, 16 Dec 1996 22:28:24 +0000 (+0000)
Subject:         * mn10300-opc.c (mn10300_opcodes): Add "break" instruction.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=374cb3020b27b6265384640d01cb1cc89fda8e16;p=binutils-gdb.git

    * mn10300-opc.c (mn10300_opcodes): Add "break" instruction.
For gdb.
---

diff --git a/opcodes/ChangeLog b/opcodes/ChangeLog
index d9dad0a990d..f1e568016f2 100644
--- a/opcodes/ChangeLog
+++ b/opcodes/ChangeLog
@@ -1,5 +1,7 @@
 Mon Dec 16 13:00:15 1996  Jeffrey A Law  (law@cygnus.com)
 
+	* mn10300-opc.c (mn10300_opcodes): Add "break" instruction.
+
 	* mn10200-opc.c: Add pseudo-ops for "mov (an),am" and "mov an,(am)".
 
 Sat Dec 14 22:36:20 1996  Ian Lance Taylor  <ian@cygnus.com>
diff --git a/opcodes/mn10300-opc.c b/opcodes/mn10300-opc.c
index 806f97cc89e..906f8a43326 100644
--- a/opcodes/mn10300-opc.c
+++ b/opcodes/mn10300-opc.c
@@ -492,6 +492,14 @@ const struct mn10300_opcode mn10300_opcodes[] = {
 { "sat16",	0xf640,		0xfff0,		FMT_D0, {DM1, DN0}},
 { "sat24",	0xf650,		0xfff0,		FMT_D0, {DM1, DN0}},
 { "bsch",	0xf670,		0xfff0,		FMT_D0, {DM1, DN0}},
+
+/* Extension.  When talking to the simulator, gdb requires some instruction
+   that will trigger a "breakpoint" (really just an instruction that isn't
+   otherwise used by the tools.  This instruction must be the same size
+   as the smallest instruction on the target machine.  In the case of the
+   mn10x00 the "break" instruction must be one byte.  0xff is available on
+   both mn10x00 architectures.  */
+{ "break",	0xff,		0xff,		FMT_S0, {UNUSED}},
 { 0, 0, 0, 0, {0}},
 
 } ;