| /* $Id: lc3barch.h,v 1.1.1.1 2012/03/29 17:21:01 uid42307 Exp $ |
| * LC-3b Architecture header file |
| * |
| * Copyright (C) 2003-2007 Peter Johnson |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND OTHER CONTRIBUTORS ``AS IS'' |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR OTHER CONTRIBUTORS BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| */ |
| #ifndef YASM_LC3BARCH_H |
| #define YASM_LC3BARCH_H |
| |
| /* Types of immediate. All immediates are stored in the LSBs of the insn. */ |
| typedef enum lc3b_imm_type { |
| LC3B_IMM_NONE = 0, /* no immediate */ |
| LC3B_IMM_4, /* 4-bit */ |
| LC3B_IMM_5, /* 5-bit */ |
| LC3B_IMM_6_WORD, /* 6-bit, word-multiple (byte>>1) */ |
| LC3B_IMM_6_BYTE, /* 6-bit, byte-multiple */ |
| LC3B_IMM_8, /* 8-bit, word-multiple (byte>>1) */ |
| LC3B_IMM_9, /* 9-bit, signed, word-multiple (byte>>1) */ |
| LC3B_IMM_9_PC /* 9-bit, signed, word-multiple, PC relative */ |
| } lc3b_imm_type; |
| |
| /* Bytecode types */ |
| |
| typedef struct lc3b_insn { |
| yasm_value imm; /* immediate or relative value */ |
| lc3b_imm_type imm_type; /* size of the immediate */ |
| |
| unsigned int opcode; /* opcode */ |
| } lc3b_insn; |
| |
| void yasm_lc3b__bc_transform_insn(yasm_bytecode *bc, lc3b_insn *insn); |
| |
| yasm_arch_insnprefix yasm_lc3b__parse_check_insnprefix |
| (yasm_arch *arch, const char *id, size_t id_len, unsigned long line, |
| /*@out@*/ /*@only@*/ yasm_bytecode **bc, /*@out@*/ uintptr_t *prefix); |
| yasm_arch_regtmod yasm_lc3b__parse_check_regtmod |
| (yasm_arch *arch, const char *id, size_t id_len, |
| /*@out@*/ uintptr_t *data); |
| |
| int yasm_lc3b__intnum_tobytes |
| (yasm_arch *arch, const yasm_intnum *intn, unsigned char *buf, |
| size_t destsize, size_t valsize, int shift, const yasm_bytecode *bc, |
| int warn); |
| |
| /*@only@*/ yasm_bytecode *yasm_lc3b__create_empty_insn(yasm_arch *arch, |
| unsigned long line); |
| |
| void yasm_lc3b__ea_destroy(/*@only@*/ yasm_effaddr *ea); |
| |
| #endif |
