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| -rw-r--r-- | include/opcode/ChangeLog | 4 | ||||
| -rw-r--r-- | include/opcode/pj.h | 46 |
2 files changed, 50 insertions, 0 deletions
diff --git a/include/opcode/ChangeLog b/include/opcode/ChangeLog index ef0da73..de5589b 100644 --- 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 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; |