Update cygnus copies of currently undistributed i860 files maintained by

Peggy Fieland at stratus.com.

1 files changed, 83 insertions, 0 deletions

diff --git a/gdb/i860-break.h b/gdb/i860-break.h
new file mode 100644
index 0000000..36da6b0
--- /dev/null
+++ b/gdb/i860-break.h
@@ -0,0 +1,83 @@
+/* I860 -specific breakpoint stuff.
+   Copyright (C) 1986, 1987 Free Software Foundation, Inc.
+
+GDB is distributed in the hope that it will be useful, but WITHOUT ANY
+WARRANTY.  No author or distributor accepts responsibility to anyone
+for the consequences of using it or for whether it serves any
+particular purpose or works at all, unless he says so in writing.
+Refer to the GDB General Public License for full details.
+
+Everyone is granted permission to copy, modify and redistribute GDB,
+but only under the conditions described in the GDB General Public
+License.  A copy of this license is supposed to have been given to you
+along with GDB so you can know your rights and responsibilities.  It
+should be in a file named COPYING.  Among other things, the copyright
+notice and this notice must be preserved on all copies.
+
+In other words, go ahead and share GDB, but don't try to stop
+anyone else from sharing it farther.  Help stamp out software hoarding!
+*/
+
+/* #define BREAKPOINT_DEBUG 1 */
+
+#include "tm.h"
+
+#ifdef i860
+void i860_insert_breakpoints();
+void i860_dbrk_breakpoints();
+
+#define BREAKPOINT_HERE(b,pc)  ((b->act_addr[0] == pc) || (b->act_addr[1] == pc) ||(b->act_addr[2] == pc) || (b->act_addr[2] == pc))
+
+/* This is the sequence of bytes we insert for a breakpoint.  */
+
+static char break_insn[] = BREAKPOINT;
+static char float_insn[] = BREAKFLOAT;
+
+#endif
+
+#define FOPMSK	0x4C000000
+#define DOPMSK	0x4C000200
+#define FOP860	0x48000000
+#define DOP860	0x48000200
+ 
+#define ALN32(a) ((( (int)(a) & 0x0007) == 0x04)	 )
+#define ALN64(a) ((( (int)(a) & 0x0007) == 0x00)	 )
+/*
+#define ISFOP(a) ((((adj_read_memory_integer(a)) & FOPMSK)==FOP860 ))
+#define ISCOR(a) ((!(((adj_read_memory_integer(a)) & FOPMSK)==FOP860	)))
+#define ISDOP(a) ((((adj_read_memory_integer(a)) & DOPMSK)==DOP860 ))
+*/
+
+#define ISFOP(a) ((((adj_read_memory_integer(a)) & FOPMSK)==FOP860 ))
+#define ISCOR(a) ((!(((adj_read_memory_integer(a)) & FOPMSK)==FOP860	)))
+#define ISDOP(a) ((((adj_read_memory_integer(a)) & DOPMSK)==DOP860 ))
+
+#define ISDIM(a) (\
+ ( ISDOP(a) && ALN64(a) && ISCOR(a+4)) || 				     \
+ ((ISFOP(a) && ALN64(a) && ISCOR(a+4)) && (ISDOP(a-8) || ISDOP(a-0x10))) ||  \
+ ( ISCOR(a) && ALN32(a) && ISDOP(a-4)) ||				     \
+ ((ISCOR(a) && ALN32(a) && ISFOP(a+4)) && (ISDOP(a-4) || ISDOP(a-0x0C)))     \
+		 )
+/*
+#define ISDIM(a) (\
+ ( ISDOP(a) && ALN64(a) && ISCOR(a+4)) || 				  \
+ ((ISFOP(a) && ALN64(a) && ISCOR(a+4)) && (ISDOP(a-8) || ISDOP(a-16))) ||  \
+ ( ISCOR(a) && ALN32(a) && ISDOP(a-4)) ||				  \
+ ((ISCOR(a) && ALN32(a) && ISFOP(a+4)) && (ISDOP(a-4) || ISDOP(a-12)))     \
+		 )
+*/
+#define FOPADR(a) ( ((int)(a) & 0xFFFFFFF8) )
+#define CORADR(a) ((((int)(a) & 0xFFFFFFFC ) | 0x04) )
+
+#define DMNEXT(a) ( ISDIM(a)?(ISDIM(a+1)?(a+2):(a+1)):(a+1) )
+#define STDIM (((*(int *)&(registers[REGISTER_BYTE(PS_REGNUM)])) & 0x6000) == 0x2000 )
+#define INDIM (((*(int *)&(registers[REGISTER_BYTE(PS_REGNUM)])) & 0x6000) == 0x4000 )
+#define ENDIM (((*(int *)&(registers[REGISTER_BYTE(PS_REGNUM)])) & 0x6000) == 0x6000 )
+
+#define	DIM 8
+#define	RIM 0x8004
+#define SIM 4
+#define ADDR_INC(a) (((int)(a) & 0x0FFF))
+
+#define SINGLE_STEP_MODE 1
+#define BREAK_MODE	 0