1999-09-04 Steve Chamberlain <sac@pobox.com>

	* pj.h: New file.

diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog
index ef0da73..de5589b 100644 (file)
--- a/include/opcode/ChangeLog
+++ b/include/opcode/ChangeLog
@@ -1,3 +1,7 @@
+1999-09-04  Steve Chamberlain  <sac@pobox.com>
+
+       * pj.h: New file.
+
 1999-08-29  Alan Modra  <alan@spri.levels.unisa.edu.au>
 
        * i386.h (i386_regtab): Move %st to top of table, and split off

diff --git a/include/opcode/pj.h b/include/opcode/pj.h
new file mode 100644 (file)
index 0000000..8759b62
--- /dev/null
+++ b/include/opcode/pj.h
@@ -0,0 +1,46 @@
+/* Definitions for decoding the picoJava opcode table.
+   Copyright (C) 1999 Free Software Foundation, Inc.
+   Contributed by Steve Chamberlain of Transmeta (sac@pobox.com).
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+
+
+/* Names used to describe the type of instruction arguments, used by
+   the assembler and disassembler.  Attributes are encoded in various fields. */
+
+/*            reloc  size pcrel    uns */
+#define O_N    0
+#define O_16  (1<<4 | 2 | (0<<6) | (0<<3))
+#define O_U16 (1<<4 | 2 | (0<<6) | (1<<3))
+#define O_R16 (2<<4 | 2 | (1<<6) | (0<<3))
+#define O_8   (3<<4 | 1 | (0<<6) | (0<<3))
+#define O_U8  (3<<4 | 1 | (0<<6) | (1<<3))
+#define O_R8  (4<<4 | 1 | (0<<6) | (0<<3))
+#define O_R32 (5<<4 | 4 | (1<<6) | (0<<3))
+#define O_32  (6<<4 | 4 | (0<<6) | (0<<3))
+
+#define ASIZE(x)  ((x) & 0x7)
+#define PCREL(x)  (!!((x) & (1<<6)))
+#define UNS(x)    (!!((x) & (1<<3)))
+
+                  
+typedef struct 
+{
+  short opcode;
+  short opcode_next;
+  char len;
+  unsigned char arg[2];
+  const char *name;
+} pj_opc_info_t;