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72 lines
2.2 KiB
72 lines
2.2 KiB
24 years ago
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/* $IdPath$
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* Bytecode internal structures header file
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*
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* Copyright (C) 2001 Peter Johnson
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*
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* This file is part of YASM.
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*
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* YASM is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* YASM is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef YASM_BC_INT_H
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#define YASM_BC_INT_H
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struct effaddr {
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expr *disp; /* address displacement */
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unsigned char len; /* length of disp (in bytes), 0 if unknown,
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* 0xff if unknown and required to be >0.
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*/
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unsigned char nosplit; /* 1 if reg*2 should not be split into
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reg+reg. (0 if not) */
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/* architecture-dependent data may be appended */
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};
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#define ea_get_data(x) (void *)(((char *)x)+sizeof(effaddr))
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#define ea_get_const_data(x) (const void *)(((const char *)x)+sizeof(effaddr))
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struct immval {
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expr *val;
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unsigned char len; /* length of val (in bytes), 0 if unknown */
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unsigned char isneg; /* the value has been explicitly negated */
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unsigned char f_len; /* final imm length */
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unsigned char f_sign; /* 1 if final imm should be signed */
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};
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struct bytecode {
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STAILQ_ENTRY(bytecode) link;
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bytecode_type type;
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expr *multiple; /* number of times bytecode is repeated,
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NULL=1 */
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unsigned long len; /* total length of entire bytecode (including
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multiple copies), 0 if unknown */
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/* where it came from */
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const char *filename;
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unsigned int lineno;
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/* other assembler state info */
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unsigned long offset; /* 0 if unknown */
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/* architecture-dependent data may be appended */
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};
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#define bc_get_data(x) (void *)(((char *)x)+sizeof(bytecode))
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#define bc_get_const_data(x) (const void *)(((const char *)x)+sizeof(bytecode))
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#endif
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