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#!/usr/bin/perl -w
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# $Id: asm-11 547 2013-12-29 13:10:07Z mueller $
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wfjm |
#
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# Copyright 2013- by Walter F.J. Mueller
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#
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# This program is free software; you may redistribute and/or modify it under
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# the terms of the GNU General Public License as published by the Free
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# Software Foundation, either version 2, or at your option any later version.
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#
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# This program is distributed in the hope that it will be useful, but
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# WITHOUT ANY WARRANTY, without even the implied warranty of MERCHANTABILITY
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# or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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# for complete details.
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#
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# Revision History:
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# Date Rev Version Comment
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# 2013-04-07 503 1.0.2 list dot for .even,.dot,.blkb,.blkw
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# 2013-04-01 502 1.0.1 BUGFIX: -2(r0),@-2(r0) was broken, parser fixed
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# add -lsm (lsmem format) output; add implicit .word
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# 2013-03-29 501 1.0 Initial version
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# 2013-03-22 498 0.5 Second draft (functional, but limited...)
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# 2013-03-07 496 0.1 First draft
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#
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use 5.10.0; # require Perl 5.10 or higher
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use strict; # require strict checking
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use FileHandle;
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use Getopt::Long;
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use constant TMASK_STRING => 0x0001;
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use constant TMASK_STRINGEXP => 0x0002;
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my %opts = ();
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GetOptions(\%opts, "help",
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"tpass1", "tpass2",
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"dsym1", "dsym2",
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"ttoken", "tparse", "temit", "tout",
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"I=s@",
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"lst", "olst=s",
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"lda", "olda=s",
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"cof", "ocof=s",
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"lsm", "olsm=s"
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)
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or exit 1;
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unshift @{$opts{I}}, "."; # ./ is first in include path
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push @{$opts{I}}, "$ENV{RETROBASE}/tools/asm-11" if defined $ENV{RETROBASE};
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sub create_fname;
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sub read_file;
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sub parse_line;
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sub walign;
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sub add_err;
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sub prt_err;
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sub setdot;
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sub incdot;
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sub getdot;
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sub setsym;
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sub getsym;
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sub lst_checkmdef;
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sub eval_exp;
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sub check_llbl;
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sub check_reg;
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sub check_token;
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sub pushback_token;
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sub get_token;
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sub get_token1;
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sub to_rad50;
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sub pass2;
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sub pass2_out;
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sub pass2_lst_beg;
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sub pass2_lst_end;
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sub pass2_lst_line;
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sub out_w;
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sub out_b;
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sub out_opcode;
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sub out_opcode_n;
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sub out_opcode_o;
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sub out_opdata;
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sub emitw;
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sub emitb;
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sub write_lda;
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sub write_cof;
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sub write_lsm;
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sub dump_rl;
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sub dump_sym;
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sub prt76o;
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sub prt43o;
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sub save66o;
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sub savestr;
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sub savestr1;
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sub print_help;
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# Permanant symbol table
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my %pst = (
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# directives
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'.include' => {typ=>'dir'}, #
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'.word' => {typ=>'dir'}, #
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'.byte' => {typ=>'dir'}, #
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'.blkw' => {typ=>'dir'}, #
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'.blkb' => {typ=>'dir'}, #
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'.ascii' => {typ=>'dir'}, #
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'.asciz' => {typ=>'dir'}, #
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'.even' => {typ=>'dir'}, #
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'.odd' => {typ=>'dir'}, #
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'.asect' => {typ=>'dir'}, #
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'.end' => {typ=>'dir'}, #
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#register defs
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'r0' => {typ=>'reg', val=>0},
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'r1' => {typ=>'reg', val=>1},
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'r2' => {typ=>'reg', val=>2},
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'r3' => {typ=>'reg', val=>3},
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'r4' => {typ=>'reg', val=>4},
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'r5' => {typ=>'reg', val=>5},
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'sp' => {typ=>'reg', val=>6},
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'pc' => {typ=>'reg', val=>7},
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#opcodes
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'halt' => {typ=>'op', val=>0000000, fmt=>'-' },
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'wait' => {typ=>'op', val=>0000001, fmt=>'-' },
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'rti' => {typ=>'op', val=>0000002, fmt=>'-' },
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'bpt' => {typ=>'op', val=>0000003, fmt=>'-' },
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'iot' => {typ=>'op', val=>0000004, fmt=>'-' },
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'reset' => {typ=>'op', val=>0000005, fmt=>'-' },
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'rtt' => {typ=>'op', val=>0000006, fmt=>'-' },
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'mfpt' => {typ=>'op', val=>0000007, fmt=>'-' },
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'jmp' => {typ=>'op', val=>0000100, fmt=>'g' },
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| 129 |
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'rts' => {typ=>'op', val=>0000200, fmt=>'r' },
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'spl' => {typ=>'op', val=>0000230, fmt=>'n3' },
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'nop' => {typ=>'op', val=>0000240, fmt=>'-' },
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'clc' => {typ=>'op', val=>0000241, fmt=>'-' },
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'clv' => {typ=>'op', val=>0000242, fmt=>'-' },
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'clz' => {typ=>'op', val=>0000244, fmt=>'-' },
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| 135 |
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'cln' => {typ=>'op', val=>0000250, fmt=>'-' },
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| 136 |
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'ccc' => {typ=>'op', val=>0000257, fmt=>'-' },
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| 137 |
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'sec' => {typ=>'op', val=>0000261, fmt=>'-' },
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| 138 |
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'sev' => {typ=>'op', val=>0000262, fmt=>'-' },
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| 139 |
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'sez' => {typ=>'op', val=>0000264, fmt=>'-' },
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| 140 |
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'sen' => {typ=>'op', val=>0000270, fmt=>'-' },
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| 141 |
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'scc' => {typ=>'op', val=>0000277, fmt=>'-' },
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| 142 |
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'swab' => {typ=>'op', val=>0000300, fmt=>'g' },
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| 143 |
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'br' => {typ=>'op', val=>0000400, fmt=>'s8' },
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| 144 |
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'bne' => {typ=>'op', val=>0001000, fmt=>'s8' },
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| 145 |
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'beq' => {typ=>'op', val=>0001400, fmt=>'s8' },
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| 146 |
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'bge' => {typ=>'op', val=>0002000, fmt=>'s8' },
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| 147 |
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'blt' => {typ=>'op', val=>0002400, fmt=>'s8' },
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| 148 |
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'bgt' => {typ=>'op', val=>0003000, fmt=>'s8' },
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| 149 |
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'ble' => {typ=>'op', val=>0003400, fmt=>'s8' },
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| 150 |
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'jsr' => {typ=>'op', val=>0004000, fmt=>'rg' },
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| 151 |
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'clr' => {typ=>'op', val=>0005000, fmt=>'g' },
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| 152 |
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'com' => {typ=>'op', val=>0005100, fmt=>'g' },
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| 153 |
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'inc' => {typ=>'op', val=>0005200, fmt=>'g' },
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| 154 |
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'dec' => {typ=>'op', val=>0005300, fmt=>'g' },
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| 155 |
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'neg' => {typ=>'op', val=>0005400, fmt=>'g' },
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| 156 |
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'adc' => {typ=>'op', val=>0005500, fmt=>'g' },
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| 157 |
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'sbc' => {typ=>'op', val=>0005600, fmt=>'g' },
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| 158 |
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'tst' => {typ=>'op', val=>0005700, fmt=>'g' },
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| 159 |
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'ror' => {typ=>'op', val=>0006000, fmt=>'g' },
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| 160 |
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'rol' => {typ=>'op', val=>0006100, fmt=>'g' },
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| 161 |
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'asr' => {typ=>'op', val=>0006200, fmt=>'g' },
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| 162 |
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'asl' => {typ=>'op', val=>0006300, fmt=>'g' },
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| 163 |
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'mark' => {typ=>'op', val=>0006400, fmt=>'n6' },
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| 164 |
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'mfpi' => {typ=>'op', val=>0006500, fmt=>'g' },
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| 165 |
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'mtpi' => {typ=>'op', val=>0006600, fmt=>'g' },
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| 166 |
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'sxt' => {typ=>'op', val=>0006700, fmt=>'g' },
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| 167 |
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'csm' => {typ=>'op', val=>0007000, fmt=>'g' },
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| 168 |
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'tstset' => {typ=>'op', val=>0007200, fmt=>'g' },
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| 169 |
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'wrtlck' => {typ=>'op', val=>0007300, fmt=>'g' },
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| 170 |
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'mov' => {typ=>'op', val=>0010000, fmt=>'gg' },
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| 171 |
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'cmp' => {typ=>'op', val=>0020000, fmt=>'gg' },
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| 172 |
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'bit' => {typ=>'op', val=>0030000, fmt=>'gg' },
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| 173 |
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'bic' => {typ=>'op', val=>0040000, fmt=>'gg' },
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| 174 |
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'bis' => {typ=>'op', val=>0050000, fmt=>'gg' },
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| 175 |
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'add' => {typ=>'op', val=>0060000, fmt=>'gg' },
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| 176 |
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'mul' => {typ=>'op', val=>0070000, fmt=>'gr' },
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| 177 |
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'div' => {typ=>'op', val=>0071000, fmt=>'gr' },
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| 178 |
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'ash' => {typ=>'op', val=>0072000, fmt=>'gr' },
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| 179 |
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'ashc' => {typ=>'op', val=>0073000, fmt=>'gr' },
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| 180 |
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'xor' => {typ=>'op', val=>0074000, fmt=>'rg' },
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| 181 |
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'sob' => {typ=>'op', val=>0077000, fmt=>'ru6'},
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| 182 |
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'bpl' => {typ=>'op', val=>0100000, fmt=>'s8' },
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| 183 |
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'bmi' => {typ=>'op', val=>0100400, fmt=>'s8' },
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| 184 |
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'bhi' => {typ=>'op', val=>0101000, fmt=>'s8' },
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| 185 |
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'blos' => {typ=>'op', val=>0101400, fmt=>'s8' },
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| 186 |
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'bvc' => {typ=>'op', val=>0102000, fmt=>'s8' },
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| 187 |
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'bvs' => {typ=>'op', val=>0102400, fmt=>'s8' },
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| 188 |
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'bcc' => {typ=>'op', val=>0103000, fmt=>'s8' },
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| 189 |
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'bhis' => {typ=>'op', val=>0103000, fmt=>'s8' }, #alias
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| 190 |
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'bcs' => {typ=>'op', val=>0103400, fmt=>'s8' },
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| 191 |
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'blo' => {typ=>'op', val=>0103400, fmt=>'s8' }, #alias
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| 192 |
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'emt' => {typ=>'op', val=>0104000, fmt=>'n8' },
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| 193 |
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'trap' => {typ=>'op', val=>0104400, fmt=>'n8' },
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| 194 |
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'clrb' => {typ=>'op', val=>0105000, fmt=>'g' },
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| 195 |
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'comb' => {typ=>'op', val=>0105100, fmt=>'g' },
|
| 196 |
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'incb' => {typ=>'op', val=>0105200, fmt=>'g' },
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| 197 |
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'decb' => {typ=>'op', val=>0105300, fmt=>'g' },
|
| 198 |
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'negb' => {typ=>'op', val=>0105400, fmt=>'g' },
|
| 199 |
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'adcb' => {typ=>'op', val=>0105500, fmt=>'g' },
|
| 200 |
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'sbcb' => {typ=>'op', val=>0105600, fmt=>'g' },
|
| 201 |
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'tstb' => {typ=>'op', val=>0105700, fmt=>'g' },
|
| 202 |
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'rorb' => {typ=>'op', val=>0106000, fmt=>'g' },
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| 203 |
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'rolb' => {typ=>'op', val=>0106100, fmt=>'g' },
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| 204 |
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'asrb' => {typ=>'op', val=>0106200, fmt=>'g' },
|
| 205 |
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'aslb' => {typ=>'op', val=>0106300, fmt=>'g' },
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| 206 |
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'mtps' => {typ=>'op', val=>0106400, fmt=>'g' },
|
| 207 |
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'mfpd' => {typ=>'op', val=>0106500, fmt=>'g' },
|
| 208 |
|
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'mtpd' => {typ=>'op', val=>0106600, fmt=>'g' },
|
| 209 |
|
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'mfps' => {typ=>'op', val=>0106700, fmt=>'g' },
|
| 210 |
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'movb' => {typ=>'op', val=>0110000, fmt=>'gg' },
|
| 211 |
|
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'cmpb' => {typ=>'op', val=>0120000, fmt=>'gg' },
|
| 212 |
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'bitb' => {typ=>'op', val=>0130000, fmt=>'gg' },
|
| 213 |
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'bicb' => {typ=>'op', val=>0140000, fmt=>'gg' },
|
| 214 |
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'bisb' => {typ=>'op', val=>0150000, fmt=>'gg' },
|
| 215 |
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'sub' => {typ=>'op', val=>0160000, fmt=>'gg' },
|
| 216 |
|
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'cfcc' => {typ=>'op', val=>0170000, fmt=>'-' ,fpp=>1 },
|
| 217 |
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'setf' => {typ=>'op', val=>0170001, fmt=>'-' ,fpp=>1 },
|
| 218 |
|
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'setd' => {typ=>'op', val=>0170011, fmt=>'-' ,fpp=>1 },
|
| 219 |
|
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'seti' => {typ=>'op', val=>0170002, fmt=>'-' ,fpp=>1 },
|
| 220 |
|
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'setl' => {typ=>'op', val=>0170012, fmt=>'-' ,fpp=>1 },
|
| 221 |
|
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'ldfps' => {typ=>'op', val=>0170100, fmt=>'g' ,fpp=>1 },
|
| 222 |
|
|
'stfps' => {typ=>'op', val=>0170200, fmt=>'g' ,fpp=>1 },
|
| 223 |
|
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'stst' => {typ=>'op', val=>0170300, fmt=>'g' ,fpp=>1 },
|
| 224 |
|
|
'clrf' => {typ=>'op', val=>0170400, fmt=>'g' ,fpp=>1 },
|
| 225 |
|
|
'clrd' => {typ=>'op', val=>0170400, fmt=>'g' ,fpp=>1 }, # alias
|
| 226 |
|
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'tstf' => {typ=>'op', val=>0170500, fmt=>'g' ,fpp=>1 },
|
| 227 |
|
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'tstd' => {typ=>'op', val=>0170500, fmt=>'g' ,fpp=>1 }, # alias
|
| 228 |
|
|
'absf' => {typ=>'op', val=>0170600, fmt=>'g' ,fpp=>1 },
|
| 229 |
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|
'absd' => {typ=>'op', val=>0170600, fmt=>'g' ,fpp=>1 }, # alias
|
| 230 |
|
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'negf' => {typ=>'op', val=>0170700, fmt=>'g' ,fpp=>1 },
|
| 231 |
|
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'negd' => {typ=>'op', val=>0170700, fmt=>'g' ,fpp=>1 }, # alias
|
| 232 |
|
|
'mulf' => {typ=>'op', val=>0171000, fmt=>'gr' ,fpp=>1 },
|
| 233 |
|
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'muld' => {typ=>'op', val=>0171000, fmt=>'gr' ,fpp=>1 }, # alias
|
| 234 |
|
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'modf' => {typ=>'op', val=>0171400, fmt=>'gr' ,fpp=>1 },
|
| 235 |
|
|
'modd' => {typ=>'op', val=>0171400, fmt=>'gr' ,fpp=>1 }, # alias
|
| 236 |
|
|
'addf' => {typ=>'op', val=>0172000, fmt=>'gr' ,fpp=>1 },
|
| 237 |
|
|
'addd' => {typ=>'op', val=>0172000, fmt=>'gr' ,fpp=>1 }, # alias
|
| 238 |
|
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'ldf' => {typ=>'op', val=>0172400, fmt=>'gr' ,fpp=>1 },
|
| 239 |
|
|
'ldd' => {typ=>'op', val=>0172400, fmt=>'gr' ,fpp=>1 }, # alias
|
| 240 |
|
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'subf' => {typ=>'op', val=>0173000, fmt=>'gr' ,fpp=>1 },
|
| 241 |
|
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'subd' => {typ=>'op', val=>0173000, fmt=>'gr' ,fpp=>1 }, # alias
|
| 242 |
|
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'cmpf' => {typ=>'op', val=>0173400, fmt=>'gr' ,fpp=>1 },
|
| 243 |
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'cmpd' => {typ=>'op', val=>0173400, fmt=>'gr' ,fpp=>1 }, # alias
|
| 244 |
|
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'stf' => {typ=>'op', val=>0174000, fmt=>'rg' ,fpp=>1 },
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| 245 |
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'std' => {typ=>'op', val=>0174000, fmt=>'rg' ,fpp=>1 }, # alias
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| 246 |
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'divf' => {typ=>'op', val=>0174400, fmt=>'gr' ,fpp=>1 },
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| 247 |
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'divd' => {typ=>'op', val=>0174400, fmt=>'gr' ,fpp=>1 }, # alias
|
| 248 |
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'stexp' => {typ=>'op', val=>0175000, fmt=>'rg' ,fpp=>1 },
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| 249 |
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'stcfi' => {typ=>'op', val=>0175400, fmt=>'rg' ,fpp=>1 },
|
| 250 |
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'stcfl' => {typ=>'op', val=>0175400, fmt=>'rg' ,fpp=>1 }, # alias
|
| 251 |
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'stcdi' => {typ=>'op', val=>0175400, fmt=>'rg' ,fpp=>1 }, # alias
|
| 252 |
|
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'stcdl' => {typ=>'op', val=>0175400, fmt=>'rg' ,fpp=>1 }, # alias
|
| 253 |
|
|
'stcfd' => {typ=>'op', val=>0176000, fmt=>'rg' ,fpp=>1 },
|
| 254 |
|
|
'stcdf' => {typ=>'op', val=>0176000, fmt=>'rg' ,fpp=>1 }, # alias
|
| 255 |
|
|
'ldexp' => {typ=>'op', val=>0176400, fmt=>'gr' ,fpp=>1 },
|
| 256 |
|
|
'ldcif' => {typ=>'op', val=>0177000, fmt=>'gr' ,fpp=>1 },
|
| 257 |
|
|
'ldcid' => {typ=>'op', val=>0177000, fmt=>'gr' ,fpp=>1 }, # alias
|
| 258 |
|
|
'ldclf' => {typ=>'op', val=>0177000, fmt=>'gr' ,fpp=>1 }, # alias
|
| 259 |
|
|
'ldcld' => {typ=>'op', val=>0177000, fmt=>'gr' ,fpp=>1 }, # alias
|
| 260 |
|
|
'ldcdf' => {typ=>'op', val=>0177400, fmt=>'gr' ,fpp=>1 },
|
| 261 |
|
|
'ldcfd' => {typ=>'op', val=>0177400, fmt=>'gr' ,fpp=>1 } # alias
|
| 262 |
|
|
);
|
| 263 |
|
|
|
| 264 |
|
|
# operand formats
|
| 265 |
|
|
my %opfmt = (
|
| 266 |
|
|
'-' => [], # halt,...
|
| 267 |
|
|
'n3' => [{typ=>'e', pref=>''}], # spl
|
| 268 |
|
|
'n6' => [{typ=>'e', pref=>''}], # mark
|
| 269 |
|
|
'n8' => [{typ=>'e', pref=>''}], # trap,emt
|
| 270 |
|
|
'r' => [{typ=>'r', pref=>'o1'}], # rts
|
| 271 |
|
|
'g' => [{typ=>'g', pref=>'o1'}], # inc,...
|
| 272 |
|
|
'rg' => [{typ=>'r', pref=>'o1'}, {typ=>'g', pref=>'o2'}], # xor,jsr
|
| 273 |
|
|
'gr' => [{typ=>'g', pref=>'o2'}, {typ=>'r', pref=>'o1'}], # ash,...
|
| 274 |
|
|
'gg' => [{typ=>'g', pref=>'o1'}, {typ=>'g', pref=>'o2'}], # add,...
|
| 275 |
|
|
's8' => [{typ=>'e', pref=>''}], # br,...
|
| 276 |
|
|
'ru6' => [{typ=>'r', pref=>'o1'}, {typ=>'e', pref=>''}] # sob
|
| 277 |
|
|
);
|
| 278 |
|
|
|
| 279 |
|
|
# psect table
|
| 280 |
|
|
my %psect =
|
| 281 |
|
|
('.abs.' => {dot=>0, dotmax=>0}
|
| 282 |
|
|
);
|
| 283 |
|
|
my $cur_psect = '.abs.'; # current psect
|
| 284 |
|
|
|
| 285 |
|
|
# local symbol table
|
| 286 |
|
|
my %lst =
|
| 287 |
|
|
('.' => {name=>'.', typ=>'dot', val=>0, psect=>'.abs.'}
|
| 288 |
|
|
);
|
| 289 |
|
|
my $llbl_scope = '0'; # current local label scope
|
| 290 |
|
|
my $llbl_ascope = 0; # annonymous local label scope count
|
| 291 |
|
|
|
| 292 |
|
|
# macro table
|
| 293 |
|
|
my %mst;
|
| 294 |
|
|
|
| 295 |
|
|
my @flist; # list of filenames
|
| 296 |
|
|
my $fstem; # stem or last file name
|
| 297 |
|
|
my $lst_do; # generate listing
|
| 298 |
|
|
my $lst_fname; # listing file name
|
| 299 |
|
|
my $lda_do; # generate lda output
|
| 300 |
|
|
my $lda_fname; # lda file name
|
| 301 |
|
|
my $cof_do; # generate cof output
|
| 302 |
|
|
my $cof_fname; # cof file name
|
| 303 |
|
|
my $lsm_do; # generate lsm output
|
| 304 |
|
|
my $lsm_fname; # lsm file name
|
| 305 |
|
|
|
| 306 |
|
|
my @src;
|
| 307 |
|
|
my %errcnt; # error tag counter
|
| 308 |
|
|
my $errcnt_tot=0; # total error count
|
| 309 |
|
|
my $pass;
|
| 310 |
|
|
|
| 311 |
|
|
my @t_pushback;
|
| 312 |
|
|
|
| 313 |
|
|
my $out_dot; # current . for output
|
| 314 |
|
|
my @out_data; # output data
|
| 315 |
|
|
my $out_start = 1; # absolute start address
|
| 316 |
|
|
|
| 317 |
|
|
autoflush STDOUT 1 if (-p STDOUT); # autoflush if output into pipe
|
| 318 |
|
|
|
| 319 |
|
|
if (exists $opts{help}) {
|
| 320 |
|
|
print_help;
|
| 321 |
|
|
exit 0;
|
| 322 |
|
|
}
|
| 323 |
|
|
|
| 324 |
|
|
if (scalar(@ARGV) == 0) {
|
| 325 |
|
|
print STDERR "asm-11-F: no input files specified, quiting..\n";
|
| 326 |
|
|
print_help;
|
| 327 |
|
|
exit 1;
|
| 328 |
|
|
}
|
| 329 |
|
|
|
| 330 |
|
|
# find stem of last file name
|
| 331 |
|
|
$fstem = $ARGV[-1];
|
| 332 |
|
|
$fstem =~ s|^.*/||; # drop leading dirs
|
| 333 |
|
|
$fstem =~ s|\.mac$||; # drop trailing '.mac'
|
| 334 |
|
|
|
| 335 |
|
|
if ($opts{lst} || $opts{olst}) {
|
| 336 |
|
|
$lst_do = 1;
|
| 337 |
|
|
$lst_fname = create_fname($opts{olst},'.lst');
|
| 338 |
|
|
}
|
| 339 |
|
|
|
| 340 |
|
|
if ($opts{lda} || $opts{olda}) {
|
| 341 |
|
|
$lda_do = 1;
|
| 342 |
|
|
$lda_fname = create_fname($opts{olda},'.lda');
|
| 343 |
|
|
}
|
| 344 |
|
|
|
| 345 |
|
|
if ($opts{cof} || $opts{ocof}) {
|
| 346 |
|
|
$cof_do = 1;
|
| 347 |
|
|
$cof_fname = create_fname($opts{ocof},'.cof');
|
| 348 |
|
|
}
|
| 349 |
|
|
|
| 350 |
|
|
if ($opts{lsm} || $opts{olsm}) {
|
| 351 |
|
|
$lsm_do = 1;
|
| 352 |
|
|
$lsm_fname = create_fname($opts{olsm},'.lsm');
|
| 353 |
|
|
}
|
| 354 |
|
|
|
| 355 |
|
|
# do pass 1
|
| 356 |
|
|
$pass = 1;
|
| 357 |
|
|
foreach my $fname (@ARGV) {
|
| 358 |
|
|
read_file($fname);
|
| 359 |
|
|
}
|
| 360 |
|
|
dump_sym() if $opts{dsym1};
|
| 361 |
|
|
|
| 362 |
|
|
# prepare pass 2
|
| 363 |
|
|
|
| 364 |
|
|
foreach (keys %psect) {
|
| 365 |
|
|
$psect{$_}{dot} = 0;
|
| 366 |
|
|
}
|
| 367 |
|
|
|
| 368 |
|
|
$lst{'.'}->{val} = 0;
|
| 369 |
|
|
$lst{'.'}->{psect} = '.abs.';
|
| 370 |
|
|
|
| 371 |
|
|
$cur_psect = '.abs.';
|
| 372 |
|
|
$llbl_scope = '0';
|
| 373 |
|
|
|
| 374 |
|
|
# do pass 2
|
| 375 |
|
|
$pass = 2;
|
| 376 |
|
|
pass2();
|
| 377 |
|
|
dump_sym() if $opts{dsym2};
|
| 378 |
|
|
|
| 379 |
|
|
# create object output files
|
| 380 |
|
|
write_lda($lda_fname) if $lda_do;
|
| 381 |
|
|
write_cof($cof_fname) if $cof_do;
|
| 382 |
|
|
write_lsm($lsm_fname) if $lsm_do;
|
| 383 |
|
|
|
| 384 |
|
|
# and exit
|
| 385 |
|
|
if ($errcnt_tot > 0) {
|
| 386 |
|
|
print "asm-11-E: compilation errors:";
|
| 387 |
|
|
foreach my $err (sort keys %errcnt) {
|
| 388 |
|
|
printf " %s: %d", $err, $errcnt{$err};
|
| 389 |
|
|
}
|
| 390 |
|
|
print "\n";
|
| 391 |
|
|
exit 1;
|
| 392 |
|
|
}
|
| 393 |
|
|
exit 0;
|
| 394 |
|
|
|
| 395 |
|
|
#-------------------------------------------------------------------------------
|
| 396 |
|
|
|
| 397 |
|
|
sub create_fname {
|
| 398 |
|
|
my ($fname,$suff) = @_;
|
| 399 |
|
|
if (defined $fname) {
|
| 400 |
|
|
$fname =~ s|\%|$fstem|;
|
| 401 |
|
|
return $fname;
|
| 402 |
|
|
}
|
| 403 |
|
|
$fname = $fstem;
|
| 404 |
|
|
$fname .= $suff unless $fname eq '-';
|
| 405 |
|
|
return $fname;
|
| 406 |
|
|
}
|
| 407 |
|
|
|
| 408 |
|
|
#-------------------------------------------------------------------------------
|
| 409 |
|
|
|
| 410 |
|
|
sub read_file {
|
| 411 |
|
|
my ($fname) = @_;
|
| 412 |
|
|
my $fh;
|
| 413 |
|
|
if ($fname eq "-") {
|
| 414 |
|
|
$fh = *STDIN;
|
| 415 |
|
|
} else {
|
| 416 |
|
|
if (not -r $fname) {
|
| 417 |
|
|
print STDERR "asm-11-F: '$fname' not found or readable, quiting..\n";
|
| 418 |
|
|
exit 1;
|
| 419 |
|
|
}
|
| 420 |
|
|
$fh = new FileHandle;
|
| 421 |
|
|
$fh->open($fname) or die "failed to open '$fname'";
|
| 422 |
|
|
}
|
| 423 |
|
|
|
| 424 |
|
|
push @flist, $fname;
|
| 425 |
|
|
|
| 426 |
|
|
my $lineno = 0;
|
| 427 |
|
|
my $fileno = scalar(@flist);
|
| 428 |
|
|
while (<$fh>) {
|
| 429 |
|
|
chomp;
|
| 430 |
|
|
my $line = $_;
|
| 431 |
|
|
$lineno += 1;
|
| 432 |
|
|
my $rl = parse_line($fileno, $lineno, $line);
|
| 433 |
|
|
dump_rl($rl) if $opts{tpass1};
|
| 434 |
|
|
push @src, $rl;
|
| 435 |
|
|
|
| 436 |
|
|
# handle .include
|
| 437 |
|
|
if (defined $$rl{oper} && $$rl{oper} eq '.include' && defined $$rl{ifile}) {
|
| 438 |
|
|
my $fnam = $$rl{ifile};
|
| 439 |
|
|
unless ($fnam =~ m|^/|) {
|
| 440 |
|
|
foreach (@{$opts{I}}) {
|
| 441 |
|
|
if (-r "$_/$fnam") {
|
| 442 |
|
|
$fnam = "$_/$fnam";
|
| 443 |
|
|
last;
|
| 444 |
|
|
}
|
| 445 |
|
|
}
|
| 446 |
|
|
}
|
| 447 |
|
|
read_file($fnam);
|
| 448 |
|
|
}
|
| 449 |
|
|
|
| 450 |
|
|
}
|
| 451 |
|
|
|
| 452 |
|
|
return;
|
| 453 |
|
|
}
|
| 454 |
|
|
|
| 455 |
|
|
#-------------------------------------------------------------------------------
|
| 456 |
|
|
|
| 457 |
|
|
sub parse_line {
|
| 458 |
|
|
my ($fileno,$lineno,$line) = @_;
|
| 459 |
|
|
|
| 460 |
|
|
my %l = ( fileno => $fileno, # file number
|
| 461 |
|
|
lineno => $lineno, # line number
|
| 462 |
|
|
line => $line, # line
|
| 463 |
|
|
cl => [split '',$line], # char list
|
| 464 |
|
|
tl => [], # token list
|
| 465 |
|
|
err => '', # error tags
|
| 466 |
|
|
psect => $cur_psect, # current psect
|
| 467 |
|
|
dot => getdot(), # current dot
|
| 468 |
|
|
outw => [], # output: words
|
| 469 |
|
|
outb => [] # output: bytes
|
| 470 |
|
|
);
|
| 471 |
|
|
|
| 472 |
|
|
my $state = 'start'; # parser state
|
| 473 |
|
|
|
| 474 |
|
|
my $op_code; # op code
|
| 475 |
|
|
my $op_fmt; # op format
|
| 476 |
|
|
my $op_fpp; # true if floating opcode
|
| 477 |
|
|
my @op_ops; # list of operands
|
| 478 |
|
|
my $op_rop; # ref of current operand dsc
|
| 479 |
|
|
|
| 480 |
|
|
my $s_incok;
|
| 481 |
|
|
my $op_ibeg;
|
| 482 |
|
|
my $op_creg;
|
| 483 |
|
|
my $op_cmod;
|
| 484 |
|
|
my $op_cmod_def;
|
| 485 |
|
|
|
| 486 |
|
|
my @e_pbeg;
|
| 487 |
|
|
my $e_ibeg;
|
| 488 |
|
|
my $e_iend;
|
| 489 |
|
|
|
| 490 |
|
|
my $a_sym;
|
| 491 |
|
|
my $a_typ;
|
| 492 |
|
|
|
| 493 |
|
|
my $d_dire;
|
| 494 |
|
|
my @d_elist;
|
| 495 |
|
|
|
| 496 |
|
|
my $c;
|
| 497 |
|
|
my $rt;
|
| 498 |
|
|
my $tmask = 0;
|
| 499 |
|
|
|
| 500 |
|
|
my @stack;
|
| 501 |
|
|
|
| 502 |
|
|
@t_pushback = ();
|
| 503 |
|
|
|
| 504 |
|
|
printf "-- parse: '$line'\n" if $opts{tparse} || $opts{ttoken};
|
| 505 |
|
|
|
| 506 |
|
|
# quit if illegal character found (non 7 bit ascii in asm-11)
|
| 507 |
|
|
foreach my $c (@{$l{cl}}) {
|
| 508 |
|
|
if (ord($c) > 127) {
|
| 509 |
|
|
add_err(\%l, 'I');
|
| 510 |
|
|
return \%l;
|
| 511 |
|
|
}
|
| 512 |
|
|
}
|
| 513 |
|
|
|
| 514 |
|
|
while (1) {
|
| 515 |
|
|
if ($opts{tparse}) {
|
| 516 |
|
|
printf "-- state = $state";
|
| 517 |
|
|
printf ", nest = %d", scalar(@e_pbeg) if $state =~ m/^e_/;
|
| 518 |
|
|
print "\n";
|
| 519 |
|
|
}
|
| 520 |
|
|
|
| 521 |
|
|
if ($state eq 'start') { # state: start -------------------
|
| 522 |
|
|
$rt = get_token(\%l, $tmask);
|
| 523 |
|
|
|
| 524 |
|
|
# end of line seen ?
|
| 525 |
|
|
if ($$rt{tag} eq 'EOL') {
|
| 526 |
|
|
last;
|
| 527 |
|
|
|
| 528 |
|
|
# name seen
|
| 529 |
|
|
} elsif ($$rt{tag} eq 'SYM') {
|
| 530 |
|
|
# directive name seen ?
|
| 531 |
|
|
if (exists $pst{$$rt{val}} && $pst{$$rt{val}}{typ} eq 'dir') {
|
| 532 |
|
|
$state = 'oper';
|
| 533 |
|
|
|
| 534 |
|
|
# otherwise check for label or assignment
|
| 535 |
|
|
} else {
|
| 536 |
|
|
my $isllbl = check_llbl($$rt{val});
|
| 537 |
|
|
$rt = get_token(\%l, $tmask);
|
| 538 |
|
|
# handle local labels
|
| 539 |
|
|
if ($isllbl) {
|
| 540 |
|
|
if ($$rt{tag} eq 'LBL') {
|
| 541 |
|
|
setsym(\%l, 'lbl' ,$l{tl}[-2]{val}, getdot());
|
| 542 |
|
|
$l{lscope} = $llbl_scope;
|
| 543 |
|
|
$l{label} = $l{tl}[-2]{val};
|
| 544 |
|
|
$state = 'start1';
|
| 545 |
|
|
} else {
|
| 546 |
|
|
$state = 'q';
|
| 547 |
|
|
}
|
| 548 |
|
|
# handle assignments
|
| 549 |
|
|
} elsif ($$rt{tag} eq 'ASS') {
|
| 550 |
|
|
$a_sym = $l{tl}[-2]{val};
|
| 551 |
|
|
$a_typ = $l{tl}[-1]{val};
|
| 552 |
|
|
push @stack, 'a_end';
|
| 553 |
|
|
$state = 'e_beg';
|
| 554 |
|
|
# handle normal labels
|
| 555 |
|
|
} elsif ($$rt{tag} eq 'LBL') {
|
| 556 |
|
|
setsym(\%l, 'lbl' ,$l{tl}[-2]{val}, getdot());
|
| 557 |
|
|
$llbl_scope = $l{tl}[-2]{val};
|
| 558 |
|
|
$l{lscope} = $l{tl}[-2]{val};
|
| 559 |
|
|
$l{label} = $l{tl}[-2]{val};
|
| 560 |
|
|
$state = 'start1';
|
| 561 |
|
|
# if neither label or assigmnent, handle as operation or directive
|
| 562 |
|
|
} else {
|
| 563 |
|
|
pushback_token(\%l);
|
| 564 |
|
|
$state = 'oper';
|
| 565 |
|
|
}
|
| 566 |
|
|
}
|
| 567 |
|
|
|
| 568 |
|
|
# anything else seen, treat a implicit .word
|
| 569 |
|
|
} else {
|
| 570 |
|
|
pushback_token(\%l);
|
| 571 |
|
|
$state = 'iword';
|
| 572 |
|
|
}
|
| 573 |
|
|
|
| 574 |
|
|
} elsif ($state eq 'start1') { # state: start1 ------------------
|
| 575 |
|
|
$rt = get_token(\%l, $tmask);
|
| 576 |
|
|
if ($$rt{tag} eq 'EOL') {
|
| 577 |
|
|
last;
|
| 578 |
|
|
} elsif ($$rt{tag} eq 'SYM') {
|
| 579 |
|
|
$state = 'oper';
|
| 580 |
|
|
} else { # not symbol -> implicit .word
|
| 581 |
|
|
pushback_token(\%l);
|
| 582 |
|
|
$state = 'iword';
|
| 583 |
|
|
}
|
| 584 |
|
|
|
| 585 |
|
|
} elsif ($state eq 'oper') { # state: oper --------------------
|
| 586 |
|
|
# Note: state oper is entered with token already on tl list !!
|
| 587 |
|
|
my $rt0 = $l{tl}[-1];
|
| 588 |
|
|
my $op = $$rt0{val};
|
| 589 |
|
|
$l{oper} = $op;
|
| 590 |
|
|
if (exists $pst{$op}) {
|
| 591 |
|
|
my $rs = $pst{$op};
|
| 592 |
|
|
if ($$rs{typ} eq 'dir') { # directives ------------------
|
| 593 |
|
|
$d_dire = $op;
|
| 594 |
|
|
if ($op eq '.word' || # .word
|
| 595 |
|
|
$op eq '.byte') { # .byte
|
| 596 |
|
|
$state = 'dl_beg';
|
| 597 |
|
|
|
| 598 |
|
|
} elsif ($op eq '.blkw' || # .blkw
|
| 599 |
|
|
$op eq '.blkb') { # .blkb
|
| 600 |
|
|
$state = 'dl_beg';
|
| 601 |
|
|
|
| 602 |
|
|
} elsif ($op eq '.ascii' || # .ascii
|
| 603 |
|
|
$op eq '.asciz') { # .asciz
|
| 604 |
|
|
$tmask = TMASK_STRING;
|
| 605 |
|
|
$state = 'al_next';
|
| 606 |
|
|
|
| 607 |
|
|
} elsif ($op eq '.even' || # .even
|
| 608 |
|
|
$op eq '.odd') { # .odd
|
| 609 |
|
|
my $dot = getdot();
|
| 610 |
|
|
my $inc = 0;
|
| 611 |
|
|
$inc = 1 if $op eq '.even' && ($dot&01)==1;
|
| 612 |
|
|
$inc = 1 if $op eq '.odd' && ($dot&01)==0;
|
| 613 |
|
|
incdot(1) if $inc;
|
| 614 |
|
|
$l{typ} = 'data';
|
| 615 |
|
|
$l{incdot} = $inc;
|
| 616 |
|
|
$l{lstdot} = 1;
|
| 617 |
|
|
$state = 'end';
|
| 618 |
|
|
|
| 619 |
|
|
} elsif ($op eq '.asect') { # .asect
|
| 620 |
|
|
# .asect is currently a noop because asect is start default
|
| 621 |
|
|
$l{lstdot} = 1;
|
| 622 |
|
|
$state = 'end';
|
| 623 |
|
|
|
| 624 |
|
|
} elsif ($op eq '.include') { # .include
|
| 625 |
|
|
$rt = get_token(\%l, TMASK_STRING);
|
| 626 |
|
|
if ($$rt{tag} eq 'STR') {
|
| 627 |
|
|
my $ifile = $$rt{val};
|
| 628 |
|
|
my $rt = get_token(\%l, TMASK_STRING);
|
| 629 |
|
|
if ($$rt{tag} eq 'EOL') {
|
| 630 |
|
|
$l{ifile} = substr($ifile,1,-1) unless $l{err} ne '';
|
| 631 |
|
|
$state = 'end';
|
| 632 |
|
|
} else {
|
| 633 |
|
|
$state = 'q';
|
| 634 |
|
|
}
|
| 635 |
|
|
} else {
|
| 636 |
|
|
$state = 'q';
|
| 637 |
|
|
}
|
| 638 |
|
|
|
| 639 |
|
|
} elsif ($op eq '.end') { # .end
|
| 640 |
|
|
$state = 'dl_beg';
|
| 641 |
|
|
|
| 642 |
|
|
} else {
|
| 643 |
|
|
die "BUGCHECK: op = '$op' in pst but no handler";
|
| 644 |
|
|
}
|
| 645 |
|
|
|
| 646 |
|
|
} elsif ($$rs{typ} eq 'op') { # or opcodes ------------------
|
| 647 |
|
|
walign(\%l);
|
| 648 |
|
|
$l{typ} = 'code';
|
| 649 |
|
|
$op_code = $$rs{val};
|
| 650 |
|
|
$op_fmt = $$rs{fmt};
|
| 651 |
|
|
$op_fpp = $$rs{fpp};
|
| 652 |
|
|
die "BUGCHECK: op_fmt = '$op_fmt' unknown in opfmt"
|
| 653 |
|
|
unless defined $opfmt{$op_fmt};
|
| 654 |
|
|
|
| 655 |
|
|
$l{opcode} = $op_code;
|
| 656 |
|
|
$l{opfmt} = $op_fmt;
|
| 657 |
|
|
|
| 658 |
|
|
@op_ops = @{$opfmt{$op_fmt}};
|
| 659 |
|
|
|
| 660 |
|
|
if (scalar(@op_ops) == 0) {
|
| 661 |
|
|
incdot(2);
|
| 662 |
|
|
$state = 'end';
|
| 663 |
|
|
} else {
|
| 664 |
|
|
$op_rop = shift @op_ops;
|
| 665 |
|
|
$state = 'op_beg';
|
| 666 |
|
|
}
|
| 667 |
|
|
|
| 668 |
|
|
}
|
| 669 |
|
|
} else { # oper noy in pst --> implicit .word
|
| 670 |
|
|
pushback_token(\%l);
|
| 671 |
|
|
$state = 'iword';
|
| 672 |
|
|
}
|
| 673 |
|
|
|
| 674 |
|
|
} elsif ($state eq 'op_beg') { # state: op_beg ------------------
|
| 675 |
|
|
$op_ibeg = scalar(@{$l{tl}});
|
| 676 |
|
|
$op_creg = undef;
|
| 677 |
|
|
$op_cmod = undef;
|
| 678 |
|
|
$op_cmod_def = undef;
|
| 679 |
|
|
$e_ibeg = undef;
|
| 680 |
|
|
$e_iend = undef;
|
| 681 |
|
|
if ($$op_rop{typ} eq 'r') { # operand: register
|
| 682 |
|
|
$rt = get_token(\%l, $tmask);
|
| 683 |
|
|
$op_creg = check_reg($rt);
|
| 684 |
|
|
if (defined $op_creg) {
|
| 685 |
|
|
if ($op_fpp && $op_creg > 3) { # fpp ac must be r0:r3
|
| 686 |
|
|
$op_creg &= 03;
|
| 687 |
|
|
add_err(\%l, 'T');
|
| 688 |
|
|
}
|
| 689 |
|
|
$op_cmod = 0;
|
| 690 |
|
|
$state = 'op_end';
|
| 691 |
|
|
} else {
|
| 692 |
|
|
$state = 'q';
|
| 693 |
|
|
}
|
| 694 |
|
|
} elsif ($$op_rop{typ} eq 'e') { # operand: expression
|
| 695 |
|
|
push @stack, 'op_end';
|
| 696 |
|
|
$state = 'e_beg';
|
| 697 |
|
|
} elsif ($$op_rop{typ} eq 'g') { # operand: general
|
| 698 |
|
|
push @stack, 'op_end';
|
| 699 |
|
|
$state = 'g_beg';
|
| 700 |
|
|
} else {
|
| 701 |
|
|
die "BUGCHECK: unexpected op typ '$$op_rop{typ}'";
|
| 702 |
|
|
}
|
| 703 |
|
|
|
| 704 |
|
|
} elsif ($state eq 'op_end') { # state: op_end ------------------
|
| 705 |
|
|
my $op_iend = scalar(@{$l{tl}})-1;
|
| 706 |
|
|
$l{tl}[$op_ibeg]->{om} = '<';
|
| 707 |
|
|
$l{tl}[$op_iend]->{om} = ($l{tl}[$op_iend]->{om}) ? '<>' : '>';
|
| 708 |
|
|
|
| 709 |
|
|
my $pref = $$op_rop{pref};
|
| 710 |
|
|
if ($$op_rop{typ} =~ m/^[gr]$/) {
|
| 711 |
|
|
$l{$pref.'reg'} = $op_creg;
|
| 712 |
|
|
$l{$pref.'mod'} = $op_cmod;
|
| 713 |
|
|
if (defined $e_ibeg) {
|
| 714 |
|
|
$l{$pref.'ebeg'} = $e_ibeg;
|
| 715 |
|
|
$l{$pref.'eend'} = $e_iend;
|
| 716 |
|
|
}
|
| 717 |
|
|
} elsif ($$op_rop{typ} eq 'e') {
|
| 718 |
|
|
if (defined $e_ibeg) {
|
| 719 |
|
|
$l{ebeg} = $e_ibeg;
|
| 720 |
|
|
$l{eend} = $e_iend;
|
| 721 |
|
|
}
|
| 722 |
|
|
}
|
| 723 |
|
|
|
| 724 |
|
|
if (scalar(@op_ops)) { # second operand
|
| 725 |
|
|
$rt = get_token(\%l, $tmask);
|
| 726 |
|
|
if (check_token($rt, 'DEL', ',')) {
|
| 727 |
|
|
$op_rop = shift @op_ops;
|
| 728 |
|
|
$state = 'op_beg';
|
| 729 |
|
|
} else {
|
| 730 |
|
|
$state = 'q';
|
| 731 |
|
|
}
|
| 732 |
|
|
|
| 733 |
|
|
} else { # all operands seen
|
| 734 |
|
|
my $nword = 1;
|
| 735 |
|
|
$nword += 1 if defined $l{o1ebeg};
|
| 736 |
|
|
$nword += 1 if defined $l{o2ebeg};
|
| 737 |
|
|
incdot(2*$nword);
|
| 738 |
|
|
$state = 'end';
|
| 739 |
|
|
}
|
| 740 |
|
|
|
| 741 |
|
|
} elsif ($state eq 'g_beg') { # state: g_beg -------------------
|
| 742 |
|
|
$rt = get_token(\%l, $tmask);
|
| 743 |
|
|
if (defined check_reg($rt)) { # R !
|
| 744 |
|
|
$op_creg = check_reg($rt);
|
| 745 |
|
|
$op_cmod = 0;
|
| 746 |
|
|
$state = 'g_end';
|
| 747 |
|
|
} elsif (check_token($rt, 'DEL', '(')) { # ( R),R)+
|
| 748 |
|
|
$state = 'g_inc1';
|
| 749 |
|
|
} elsif (check_token($rt, 'OP', '@')) { # @ R,(R)+,-(R),E(R),#E,E
|
| 750 |
|
|
$op_cmod_def = 1;
|
| 751 |
|
|
$state = 'g_def1';
|
| 752 |
|
|
} elsif (check_token($rt, 'OP', '-')) { # - (R)
|
| 753 |
|
|
$rt = get_token(\%l, $tmask);
|
| 754 |
|
|
if (check_token($rt, 'DEL', '(')) { # next (
|
| 755 |
|
|
pushback_token(\%l);
|
| 756 |
|
|
$state = 'g_dec1'; # go for -(R)
|
| 757 |
|
|
} else {
|
| 758 |
|
|
pushback_token(\%l);
|
| 759 |
|
|
pushback_token(\%l);
|
| 760 |
|
|
push @stack, 'g_ind1'; # otherwise -E..
|
| 761 |
|
|
$state = 'e_beg';
|
| 762 |
|
|
}
|
| 763 |
|
|
} elsif (check_token($rt, 'OP', '#')) { # # E
|
| 764 |
|
|
push @stack, 'g_imm1';
|
| 765 |
|
|
$state = 'e_beg';
|
| 766 |
|
|
} else {
|
| 767 |
|
|
pushback_token(\%l);
|
| 768 |
|
|
push @stack, 'g_ind1'; # E ! (R)
|
| 769 |
|
|
$state = 'e_beg';
|
| 770 |
|
|
}
|
| 771 |
|
|
|
| 772 |
|
|
} elsif ($state eq 'g_inc1') { # state: g_inc1 ------------------
|
| 773 |
|
|
$rt = get_token(\%l, $tmask);
|
| 774 |
|
|
$op_creg = check_reg($rt);
|
| 775 |
|
|
if (defined $op_creg) {
|
| 776 |
|
|
$rt = get_token(\%l, $tmask);
|
| 777 |
|
|
if (check_token($rt, 'DEL', ')')) {
|
| 778 |
|
|
$rt = get_token(\%l, $tmask);
|
| 779 |
|
|
if (check_token($rt, 'OP', '+')) {
|
| 780 |
|
|
$op_cmod = $op_cmod_def ? 3 : 2;
|
| 781 |
|
|
$state = 'g_end';
|
| 782 |
|
|
} else {
|
| 783 |
|
|
if ($op_cmod_def) {
|
| 784 |
|
|
$state = 'q';
|
| 785 |
|
|
} else {
|
| 786 |
|
|
pushback_token(\%l);
|
| 787 |
|
|
$op_cmod = 1;
|
| 788 |
|
|
$state = 'g_end';
|
| 789 |
|
|
}
|
| 790 |
|
|
}
|
| 791 |
|
|
} else {
|
| 792 |
|
|
$state = 'q';
|
| 793 |
|
|
}
|
| 794 |
|
|
} else {
|
| 795 |
|
|
$state = 'q';
|
| 796 |
|
|
}
|
| 797 |
|
|
|
| 798 |
|
|
} elsif ($state eq 'g_def1') { # state: g_def1 ------------------
|
| 799 |
|
|
$rt = get_token(\%l, $tmask);
|
| 800 |
|
|
if (defined check_reg($rt)) { # R
|
| 801 |
|
|
$op_creg = check_reg($rt);
|
| 802 |
|
|
$op_cmod = 1;
|
| 803 |
|
|
$state = 'g_end';
|
| 804 |
|
|
} elsif (check_token($rt, 'DEL', '(')) { # ( -> R+
|
| 805 |
|
|
$state = 'g_inc1';
|
| 806 |
|
|
} elsif (check_token($rt, 'OP', '-')) { # - -> (R)
|
| 807 |
|
|
$rt = get_token(\%l, $tmask);
|
| 808 |
|
|
if (check_token($rt, 'DEL', '(')) { # next (
|
| 809 |
|
|
pushback_token(\%l);
|
| 810 |
|
|
$state = 'g_dec1'; # go for -(R)
|
| 811 |
|
|
} else {
|
| 812 |
|
|
pushback_token(\%l);
|
| 813 |
|
|
pushback_token(\%l);
|
| 814 |
|
|
push @stack, 'g_ind1'; # otherwise -E..
|
| 815 |
|
|
$state = 'e_beg';
|
| 816 |
|
|
}
|
| 817 |
|
|
} elsif (check_token($rt, 'OP', '#')) { # # -> #
|
| 818 |
|
|
push @stack, 'g_imm1';
|
| 819 |
|
|
$state = 'e_beg';
|
| 820 |
|
|
} else { # E -> !, (R)
|
| 821 |
|
|
pushback_token(\%l);
|
| 822 |
|
|
push @stack, 'g_ind1';
|
| 823 |
|
|
$state = 'e_beg';
|
| 824 |
|
|
}
|
| 825 |
|
|
|
| 826 |
|
|
} elsif ($state eq 'g_ind1') { # state: g_ind1 ------------------
|
| 827 |
|
|
$rt = get_token(\%l, $tmask);
|
| 828 |
|
|
if (check_token($rt, 'DEL', '(')) {
|
| 829 |
|
|
$rt = get_token(\%l, $tmask);
|
| 830 |
|
|
$op_creg = check_reg($rt);
|
| 831 |
|
|
if (defined $op_creg) {
|
| 832 |
|
|
$rt = get_token(\%l, $tmask);
|
| 833 |
|
|
$op_cmod = $op_cmod_def ? 7 : 6;
|
| 834 |
|
|
$state = check_token($rt, 'DEL', ')') ? 'g_end' : 'q';
|
| 835 |
|
|
} else {
|
| 836 |
|
|
$state = 'q';
|
| 837 |
|
|
}
|
| 838 |
|
|
} else {
|
| 839 |
|
|
pushback_token(\%l);
|
| 840 |
|
|
$op_creg = 7;
|
| 841 |
|
|
$op_cmod = $op_cmod_def ? 7 : 6;
|
| 842 |
|
|
$state = 'g_end';
|
| 843 |
|
|
}
|
| 844 |
|
|
|
| 845 |
|
|
} elsif ($state eq 'g_dec1') { # state: g_dec1 ------------------
|
| 846 |
|
|
$rt = get_token(\%l, $tmask);
|
| 847 |
|
|
if (check_token($rt, 'DEL', '(')) {
|
| 848 |
|
|
$rt = get_token(\%l, $tmask);
|
| 849 |
|
|
$op_creg = check_reg($rt);
|
| 850 |
|
|
if (defined $op_creg) {
|
| 851 |
|
|
$rt = get_token(\%l, $tmask);
|
| 852 |
|
|
$op_cmod = $op_cmod_def ? 5 : 4;
|
| 853 |
|
|
$state = check_token($rt, 'DEL', ')') ? 'g_end' : 'q';
|
| 854 |
|
|
} else {
|
| 855 |
|
|
$state = 'q';
|
| 856 |
|
|
}
|
| 857 |
|
|
} else {
|
| 858 |
|
|
$state = 'q';
|
| 859 |
|
|
}
|
| 860 |
|
|
|
| 861 |
|
|
} elsif ($state eq 'g_imm1') { # state: g_imm1 ------------------
|
| 862 |
|
|
$op_creg = 7;
|
| 863 |
|
|
$op_cmod = $op_cmod_def ? 3 : 2;
|
| 864 |
|
|
$state = 'g_end';
|
| 865 |
|
|
|
| 866 |
|
|
} elsif ($state eq 'g_end') { # state: g_end -------------------
|
| 867 |
|
|
$state = pop @stack;
|
| 868 |
|
|
|
| 869 |
|
|
} elsif ($state eq 'e_beg') { # state: e_beg -------------------
|
| 870 |
|
|
$e_ibeg = scalar(@{$l{tl}});
|
| 871 |
|
|
@e_pbeg = ();
|
| 872 |
|
|
$state = 'e_uop';
|
| 873 |
|
|
|
| 874 |
|
|
} elsif ($state eq 'e_uop') { # state: e_uop -------------------
|
| 875 |
|
|
$rt = get_token(\%l, $tmask);
|
| 876 |
|
|
if ($$rt{tag} eq 'OP' && $$rt{typ}=~'u') { # OP(u)
|
| 877 |
|
|
$$rt{typ}='u';
|
| 878 |
|
|
$state = 'e_uop';
|
| 879 |
|
|
} elsif ($$rt{tag} eq 'NUM' || $$rt{tag} eq 'SYM') {
|
| 880 |
|
|
$state = 'e_bop';
|
| 881 |
|
|
} elsif (check_token($rt, 'DEL', '<')) {
|
| 882 |
|
|
push @e_pbeg, scalar(@{$l{tl}})-1;
|
| 883 |
|
|
$state = 'e_uop';
|
| 884 |
|
|
} else {
|
| 885 |
|
|
$state = 'q';
|
| 886 |
|
|
}
|
| 887 |
|
|
|
| 888 |
|
|
} elsif ($state eq 'e_bop') { # state: e_bop -------------------
|
| 889 |
|
|
$rt = get_token(\%l, $tmask);
|
| 890 |
|
|
if ($$rt{tag} eq 'OP' && $$rt{typ}=~'b') { # OP(b)
|
| 891 |
|
|
$$rt{typ}='b';
|
| 892 |
|
|
$state = 'e_bop1';
|
| 893 |
|
|
} elsif (check_token($rt, 'DEL', '>')) {
|
| 894 |
|
|
if (scalar(@e_pbeg) == 0) {
|
| 895 |
|
|
$state = 'q';
|
| 896 |
|
|
} else {
|
| 897 |
|
|
my $pbeg = pop @e_pbeg;
|
| 898 |
|
|
$l{tl}[$pbeg]->{pend} = scalar(@{$l{tl}})-1;
|
| 899 |
|
|
if ($tmask & TMASK_STRINGEXP) {
|
| 900 |
|
|
$state = 'e_end';
|
| 901 |
|
|
} else {
|
| 902 |
|
|
$state = 'e_bop';
|
| 903 |
|
|
}
|
| 904 |
|
|
}
|
| 905 |
|
|
} else {
|
| 906 |
|
|
pushback_token(\%l);
|
| 907 |
|
|
$state = 'e_end';
|
| 908 |
|
|
}
|
| 909 |
|
|
|
| 910 |
|
|
} elsif ($state eq 'e_bop1') { # state: e_bop1 ------------------
|
| 911 |
|
|
$rt = get_token(\%l, $tmask);
|
| 912 |
|
|
if ($$rt{tag} eq 'NUM' || $$rt{tag} eq 'SYM') {
|
| 913 |
|
|
$state = 'e_bop';
|
| 914 |
|
|
} elsif (check_token($rt, 'DEL', '<')) {
|
| 915 |
|
|
push @e_pbeg, scalar(@{$l{tl}})-1;
|
| 916 |
|
|
$state = 'e_uop';
|
| 917 |
|
|
} else {
|
| 918 |
|
|
$state = 'q';
|
| 919 |
|
|
}
|
| 920 |
|
|
|
| 921 |
|
|
} elsif ($state eq 'e_end') { # state: e_end -------------------
|
| 922 |
|
|
$e_iend = scalar(@{$l{tl}})-1;
|
| 923 |
|
|
$l{tl}[$e_ibeg]->{em} = '<>';
|
| 924 |
|
|
if ($e_iend != $e_ibeg) {
|
| 925 |
|
|
$l{tl}[$e_ibeg]->{em} = '<';
|
| 926 |
|
|
$l{tl}[$e_iend]->{em} = '>';
|
| 927 |
|
|
}
|
| 928 |
|
|
$state = (scalar(@e_pbeg)==0) ? pop @stack : 'q';
|
| 929 |
|
|
|
| 930 |
|
|
} elsif ($state eq 'a_end') { # state: a_end -------------------
|
| 931 |
|
|
my $val = eval_exp(\%l, $e_ibeg, $e_iend);
|
| 932 |
|
|
my $typ = ($a_typ =~ m/:/) ? 'pass' : 'ass';
|
| 933 |
|
|
setsym(\%l, $typ, $a_sym, $val);
|
| 934 |
|
|
$l{typ} = 'ass';
|
| 935 |
|
|
$l{atyp} = $typ;
|
| 936 |
|
|
$l{asym} = $a_sym;
|
| 937 |
|
|
$l{ebeg} = $e_ibeg;
|
| 938 |
|
|
$l{eend} = $e_iend;
|
| 939 |
|
|
$state = 'end';
|
| 940 |
|
|
|
| 941 |
|
|
} elsif ($state eq 'dl_beg') { # state: dl_beg ------------------
|
| 942 |
|
|
$rt = get_token(\%l, $tmask);
|
| 943 |
|
|
if ($$rt{tag} eq 'EOL') {
|
| 944 |
|
|
$state = 'dl_end';
|
| 945 |
|
|
} elsif (check_token($rt, 'DEL', ',')) {
|
| 946 |
|
|
pushback_token(\%l);
|
| 947 |
|
|
$e_ibeg = undef;
|
| 948 |
|
|
$e_iend = undef;
|
| 949 |
|
|
$state = 'dl_next';
|
| 950 |
|
|
} else {
|
| 951 |
|
|
pushback_token(\%l);
|
| 952 |
|
|
$e_ibeg = undef;
|
| 953 |
|
|
$e_iend = undef;
|
| 954 |
|
|
push @stack, 'dl_next';
|
| 955 |
|
|
$state = 'e_beg';
|
| 956 |
|
|
}
|
| 957 |
|
|
|
| 958 |
|
|
} elsif ($state eq 'dl_next') { # state: dl_next -----------------
|
| 959 |
|
|
push @d_elist, {ibeg=>$e_ibeg, iend=>$e_iend};
|
| 960 |
|
|
$rt = get_token(\%l, $tmask);
|
| 961 |
|
|
if ($$rt{tag} eq 'EOL') {
|
| 962 |
|
|
$state = 'dl_end';
|
| 963 |
|
|
} elsif (check_token($rt, 'DEL', ',')) {
|
| 964 |
|
|
$rt = get_token(\%l, $tmask);
|
| 965 |
|
|
if ($$rt{tag} eq 'EOL' || check_token($rt, 'DEL', ',')) {
|
| 966 |
|
|
pushback_token(\%l);
|
| 967 |
|
|
$e_ibeg = undef;
|
| 968 |
|
|
$e_iend = undef;
|
| 969 |
|
|
$state = 'dl_next';
|
| 970 |
|
|
} else {
|
| 971 |
|
|
pushback_token(\%l);
|
| 972 |
|
|
$e_ibeg = undef;
|
| 973 |
|
|
$e_iend = undef;
|
| 974 |
|
|
push @stack, 'dl_next';
|
| 975 |
|
|
$state = 'e_beg';
|
| 976 |
|
|
}
|
| 977 |
|
|
} else {
|
| 978 |
|
|
$state = 'q';
|
| 979 |
|
|
}
|
| 980 |
|
|
|
| 981 |
|
|
} elsif ($state eq 'dl_end') { # state: dl_end ------------------
|
| 982 |
|
|
$state = 'end';
|
| 983 |
|
|
if ($d_dire eq '.word') {
|
| 984 |
|
|
walign(\%l);
|
| 985 |
|
|
if (scalar(@d_elist)) {
|
| 986 |
|
|
$l{typ} = 'data';
|
| 987 |
|
|
$l{delist} = \@d_elist;
|
| 988 |
|
|
incdot(2*scalar(@d_elist));
|
| 989 |
|
|
} else {
|
| 990 |
|
|
$state = 'q';
|
| 991 |
|
|
}
|
| 992 |
|
|
} elsif ($d_dire eq '.byte') {
|
| 993 |
|
|
if (scalar(@d_elist)) {
|
| 994 |
|
|
$l{typ} = 'data';
|
| 995 |
|
|
$l{delist} = \@d_elist;
|
| 996 |
|
|
incdot(1*scalar(@d_elist));
|
| 997 |
|
|
} else {
|
| 998 |
|
|
$state = 'q';
|
| 999 |
|
|
}
|
| 1000 |
|
|
} elsif ($d_dire eq '.blkw' || $d_dire eq '.blkb') {
|
| 1001 |
|
|
$l{lstdot} = 1;
|
| 1002 |
|
|
walign(\%l) if $d_dire eq '.blkw';
|
| 1003 |
|
|
my $val;
|
| 1004 |
|
|
if (scalar(@d_elist) == 0) {
|
| 1005 |
|
|
$val = 1;
|
| 1006 |
|
|
} elsif (scalar(@d_elist) == 1) {
|
| 1007 |
|
|
$val = eval_exp(\%l, $d_elist[0]{ibeg}, $d_elist[0]{iend});
|
| 1008 |
|
|
} else {
|
| 1009 |
|
|
$state = 'q';
|
| 1010 |
|
|
}
|
| 1011 |
|
|
|
| 1012 |
|
|
if (defined $val) {
|
| 1013 |
|
|
my $size = ($d_dire eq '.blkw') ? 2 : 1;
|
| 1014 |
|
|
incdot($size * $val);
|
| 1015 |
|
|
$l{typ} = 'data';
|
| 1016 |
|
|
$l{incdot} = $size * $val;
|
| 1017 |
|
|
} else {
|
| 1018 |
|
|
add_err(\%l, 'A');
|
| 1019 |
|
|
}
|
| 1020 |
|
|
|
| 1021 |
|
|
} elsif ($d_dire eq '.end') {
|
| 1022 |
|
|
my $val;
|
| 1023 |
|
|
if (scalar(@d_elist) == 0) {
|
| 1024 |
|
|
$val = 1;
|
| 1025 |
|
|
} elsif (scalar(@d_elist) == 1) {
|
| 1026 |
|
|
$val = eval_exp(\%l, $d_elist[0]{ibeg}, $d_elist[0]{iend});
|
| 1027 |
|
|
} else {
|
| 1028 |
|
|
$state = 'q';
|
| 1029 |
|
|
}
|
| 1030 |
|
|
if (defined $val) {
|
| 1031 |
|
|
$l{lstval} = $val; # set aval to get it in listing
|
| 1032 |
|
|
$out_start = $val;
|
| 1033 |
|
|
} else {
|
| 1034 |
|
|
$l{lstval} = 0;
|
| 1035 |
|
|
add_err(\%l, 'U');
|
| 1036 |
|
|
}
|
| 1037 |
|
|
|
| 1038 |
|
|
} else {
|
| 1039 |
|
|
die "BUGCHECK: unexpected d_dire = '$d_dire'";
|
| 1040 |
|
|
}
|
| 1041 |
|
|
|
| 1042 |
|
|
} elsif ($state eq 'al_next') { # state: al_next -----------------
|
| 1043 |
|
|
$rt = get_token(\%l, $tmask);
|
| 1044 |
|
|
if ($$rt{tag} eq 'STR') {
|
| 1045 |
|
|
push @d_elist, {str=>$$rt{val}};
|
| 1046 |
|
|
} elsif ($$rt{tag} eq 'EOL') {
|
| 1047 |
|
|
$state = 'al_end';
|
| 1048 |
|
|
} elsif (check_token($rt, 'DEL', '<')) {
|
| 1049 |
|
|
pushback_token(\%l);
|
| 1050 |
|
|
$tmask = TMASK_STRINGEXP;
|
| 1051 |
|
|
push @stack, 'al_exp';
|
| 1052 |
|
|
$e_ibeg = undef;
|
| 1053 |
|
|
$e_iend = undef;
|
| 1054 |
|
|
$state = 'e_beg';
|
| 1055 |
|
|
} else {
|
| 1056 |
|
|
$state = 'q';
|
| 1057 |
|
|
}
|
| 1058 |
|
|
|
| 1059 |
|
|
} elsif ($state eq 'al_exp') { # state: al_exp ------------------
|
| 1060 |
|
|
push @d_elist, {ibeg=>$e_ibeg, iend=>$e_iend};
|
| 1061 |
|
|
$tmask = TMASK_STRING;
|
| 1062 |
|
|
$state = 'al_next';
|
| 1063 |
|
|
|
| 1064 |
|
|
} elsif ($state eq 'al_end') { # state: al_end ------------------
|
| 1065 |
|
|
my $size = 0;
|
| 1066 |
|
|
foreach (@d_elist) {
|
| 1067 |
|
|
if (defined $$_{str}) {
|
| 1068 |
|
|
$size += length($$_{str}) - 2;
|
| 1069 |
|
|
} else {
|
| 1070 |
|
|
$size += 1;
|
| 1071 |
|
|
}
|
| 1072 |
|
|
}
|
| 1073 |
|
|
$size += 1 if $d_dire eq '.asciz';
|
| 1074 |
|
|
incdot($size);
|
| 1075 |
|
|
$l{typ} = 'data';
|
| 1076 |
|
|
$l{delist} = \@d_elist;
|
| 1077 |
|
|
$state = 'end';
|
| 1078 |
|
|
|
| 1079 |
|
|
} elsif ($state eq 'iword') { # state: iword -------------------
|
| 1080 |
|
|
$l{oper} = $d_dire = '.word'; # setup implicit .word directive
|
| 1081 |
|
|
$state = 'dl_beg';
|
| 1082 |
|
|
|
| 1083 |
|
|
} elsif ($state eq 'end') { # state: end ---------------------
|
| 1084 |
|
|
# unless EOL already seen fetch next token
|
| 1085 |
|
|
if (scalar(@{$l{tl}}) && $l{tl}[-1]{tag} eq 'EOL') {
|
| 1086 |
|
|
$rt = $l{tl}[-1];
|
| 1087 |
|
|
} else {
|
| 1088 |
|
|
$rt = get_token(\%l, $tmask);
|
| 1089 |
|
|
}
|
| 1090 |
|
|
# if at EOL fine, otherwise mark syntax error
|
| 1091 |
|
|
if ($$rt{tag} eq 'EOL') {
|
| 1092 |
|
|
last;
|
| 1093 |
|
|
} else {
|
| 1094 |
|
|
$state = 'q';
|
| 1095 |
|
|
}
|
| 1096 |
|
|
|
| 1097 |
|
|
} elsif ($state eq 'q') { # state: q -----------------------
|
| 1098 |
|
|
add_err(\%l, 'Q'); # set Q error flag
|
| 1099 |
|
|
last; # and quit this line
|
| 1100 |
|
|
|
| 1101 |
|
|
} else {
|
| 1102 |
|
|
die "BUGCHECK: unexpected state '$state'\n";
|
| 1103 |
|
|
}
|
| 1104 |
|
|
}
|
| 1105 |
|
|
|
| 1106 |
|
|
return \%l;
|
| 1107 |
|
|
}
|
| 1108 |
|
|
|
| 1109 |
|
|
#-------------------------------------------------------------------------------
|
| 1110 |
|
|
|
| 1111 |
|
|
sub walign {
|
| 1112 |
|
|
my ($rl) = @_;
|
| 1113 |
|
|
my $dot = getdot();
|
| 1114 |
|
|
if ($dot & 0x1) { # odd address ?
|
| 1115 |
|
|
incdot(1);
|
| 1116 |
|
|
add_err($rl, 'B');
|
| 1117 |
|
|
$$rl{dot} = getdot() if ($pass == 2); # fixup . in rl context in pass 2
|
| 1118 |
|
|
}
|
| 1119 |
|
|
return;
|
| 1120 |
|
|
}
|
| 1121 |
|
|
|
| 1122 |
|
|
#-------------------------------------------------------------------------------
|
| 1123 |
|
|
|
| 1124 |
|
|
sub add_err {
|
| 1125 |
|
|
my ($rl,$err) = @_;
|
| 1126 |
|
|
return if index($$rl{err}, $err) >= 0; # prevent multiple error tags
|
| 1127 |
|
|
$$rl{err} .= $err; # set error tag
|
| 1128 |
|
|
$errcnt{$err} += 1; # and count them
|
| 1129 |
|
|
$errcnt_tot += 1;
|
| 1130 |
|
|
return;
|
| 1131 |
|
|
}
|
| 1132 |
|
|
|
| 1133 |
|
|
#-------------------------------------------------------------------------------
|
| 1134 |
|
|
|
| 1135 |
|
|
sub prt_err {
|
| 1136 |
|
|
my ($rl) = @_;
|
| 1137 |
|
|
return join '', sort split '', $$rl{err};
|
| 1138 |
|
|
}
|
| 1139 |
|
|
|
| 1140 |
|
|
#-------------------------------------------------------------------------------
|
| 1141 |
|
|
|
| 1142 |
|
|
sub setdot {
|
| 1143 |
|
|
my ($val) = @_;
|
| 1144 |
|
|
return unless defined $val;
|
| 1145 |
|
|
$lst{'.'}->{val} = $val;
|
| 1146 |
|
|
$psect{$cur_psect}{dot} = $val;
|
| 1147 |
|
|
$psect{$cur_psect}{dotmax} = $val if $psect{$cur_psect}{dotmax} < $val;
|
| 1148 |
|
|
return;
|
| 1149 |
|
|
}
|
| 1150 |
|
|
|
| 1151 |
|
|
#-------------------------------------------------------------------------------
|
| 1152 |
|
|
|
| 1153 |
|
|
sub incdot {
|
| 1154 |
|
|
my ($inc) = @_;
|
| 1155 |
|
|
return unless defined $inc;
|
| 1156 |
|
|
setdot(getdot() + $inc);
|
| 1157 |
|
|
return;
|
| 1158 |
|
|
}
|
| 1159 |
|
|
|
| 1160 |
|
|
#-------------------------------------------------------------------------------
|
| 1161 |
|
|
|
| 1162 |
|
|
sub getdot {
|
| 1163 |
|
|
return $lst{'.'}{val};
|
| 1164 |
|
|
}
|
| 1165 |
|
|
|
| 1166 |
|
|
#-------------------------------------------------------------------------------
|
| 1167 |
|
|
|
| 1168 |
|
|
sub setsym {
|
| 1169 |
|
|
my ($rl,$typ,$name,$val) = @_;
|
| 1170 |
|
|
##print "+++set: pass=$pass; $llbl_scope : $name; typ=$typ\n";
|
| 1171 |
|
|
if ($name eq '.') {
|
| 1172 |
|
|
if ($typ eq 'ass') {
|
| 1173 |
|
|
setdot($val);
|
| 1174 |
|
|
} else {
|
| 1175 |
|
|
add_err($rl, 'A');
|
| 1176 |
|
|
}
|
| 1177 |
|
|
return;
|
| 1178 |
|
|
}
|
| 1179 |
|
|
|
| 1180 |
|
|
my $isllbl = check_llbl($name);
|
| 1181 |
|
|
if (check_llbl($name)) {
|
| 1182 |
|
|
if ($typ eq 'lbl') {
|
| 1183 |
|
|
$name = $llbl_scope . ':' . $name if $isllbl;
|
| 1184 |
|
|
$typ = 'llbl';
|
| 1185 |
|
|
} else {
|
| 1186 |
|
|
die "BUGCHECK: name looks like local label, but typ=$typ";
|
| 1187 |
|
|
}
|
| 1188 |
|
|
}
|
| 1189 |
|
|
|
| 1190 |
|
|
my $namelc = lc($name);
|
| 1191 |
|
|
|
| 1192 |
|
|
if ($typ ne 'ass' && exists $lst{$namelc} &&
|
| 1193 |
|
|
$lst{$namelc}{typ} ne 'udef' && $pass==1) {
|
| 1194 |
|
|
# Note: 'M' etaging done in pass 2!
|
| 1195 |
|
|
$lst{$namelc}{mdef} = 1;
|
| 1196 |
|
|
return;
|
| 1197 |
|
|
}
|
| 1198 |
|
|
|
| 1199 |
|
|
$lst{$namelc}{name} = $name;
|
| 1200 |
|
|
$lst{$namelc}{val} = $val;
|
| 1201 |
|
|
$lst{$namelc}{typ} = $typ;
|
| 1202 |
|
|
$lst{$namelc}{psect} = $cur_psect;
|
| 1203 |
|
|
|
| 1204 |
|
|
return;
|
| 1205 |
|
|
}
|
| 1206 |
|
|
|
| 1207 |
|
|
#-------------------------------------------------------------------------------
|
| 1208 |
|
|
|
| 1209 |
|
|
sub getsym {
|
| 1210 |
|
|
my ($rl, $name, $noxref) = @_;
|
| 1211 |
|
|
##print "+++get: pass=$pass; $llbl_scope : $name\n";
|
| 1212 |
|
|
$name = $llbl_scope . ':' . $name if check_llbl($name);
|
| 1213 |
|
|
my $namelc = lc($name);
|
| 1214 |
|
|
|
| 1215 |
|
|
# if not yet defined, add it in lst with typ='udef'
|
| 1216 |
|
|
if (not exists $lst{$namelc}) { # not yet in lst
|
| 1217 |
|
|
if (exists $pst{$namelc} && # but known as opcode
|
| 1218 |
|
|
$pst{$namelc}{typ} eq 'op') {
|
| 1219 |
|
|
return $pst{$namelc}{val}; # return that value
|
| 1220 |
|
|
} else {
|
| 1221 |
|
|
$lst{$namelc} = { name => $name,
|
| 1222 |
|
|
val => undef,
|
| 1223 |
|
|
typ => 'udef',
|
| 1224 |
|
|
psect => ''
|
| 1225 |
|
|
};
|
| 1226 |
|
|
return undef;
|
| 1227 |
|
|
}
|
| 1228 |
|
|
}
|
| 1229 |
|
|
|
| 1230 |
|
|
unless ($noxref) {
|
| 1231 |
|
|
if ($lst{$namelc}{mdef}) {
|
| 1232 |
|
|
add_err($rl, 'D');
|
| 1233 |
|
|
}
|
| 1234 |
|
|
}
|
| 1235 |
|
|
|
| 1236 |
|
|
return $lst{$namelc}{val};
|
| 1237 |
|
|
}
|
| 1238 |
|
|
|
| 1239 |
|
|
#-------------------------------------------------------------------------------
|
| 1240 |
|
|
|
| 1241 |
|
|
sub lst_checkmdef {
|
| 1242 |
|
|
my ($name) = @_;
|
| 1243 |
|
|
$name = $llbl_scope . ':' . $name if check_llbl($name);
|
| 1244 |
|
|
my $namelc = lc($name);
|
| 1245 |
|
|
return $lst{$namelc}{mdef};
|
| 1246 |
|
|
}
|
| 1247 |
|
|
|
| 1248 |
|
|
#-------------------------------------------------------------------------------
|
| 1249 |
|
|
|
| 1250 |
|
|
sub eval_exp {
|
| 1251 |
|
|
my ($rl,$ibeg,$iend,$nest) = @_;
|
| 1252 |
|
|
my $rtl = $$rl{tl};
|
| 1253 |
|
|
my @uop;
|
| 1254 |
|
|
my $bop;
|
| 1255 |
|
|
my @val;
|
| 1256 |
|
|
|
| 1257 |
|
|
return undef unless defined $ibeg && defined $iend;
|
| 1258 |
|
|
return undef unless defined $$rtl[$ibeg] || $nest; # FIXME_code: test em !!
|
| 1259 |
|
|
|
| 1260 |
|
|
for (my $i=$ibeg; $i<=$iend; $i++) {
|
| 1261 |
|
|
my $rt = $$rtl[$i];
|
| 1262 |
|
|
my $do_uop = 0;
|
| 1263 |
|
|
if ($$rt{tag} eq 'NUM') {
|
| 1264 |
|
|
push @val, $$rt{nval};
|
| 1265 |
|
|
|
| 1266 |
|
|
} elsif ($$rt{tag} eq 'SYM') {
|
| 1267 |
|
|
push @val, getsym($rl, $$rt{val});
|
| 1268 |
|
|
|
| 1269 |
|
|
} elsif ($$rt{tag} eq 'OP' && $$rt{typ} eq 'u') {
|
| 1270 |
|
|
push @uop, $$rt{val};
|
| 1271 |
|
|
|
| 1272 |
|
|
} elsif ($$rt{tag} eq 'OP' && $$rt{typ} eq 'b') {
|
| 1273 |
|
|
$bop = $$rt{val};
|
| 1274 |
|
|
|
| 1275 |
|
|
} elsif ($$rt{val} eq '<') {
|
| 1276 |
|
|
my $pend = $$rt{pend};
|
| 1277 |
|
|
die "BUGCHECK: pend not found for rtl[$i]" unless defined $pend;
|
| 1278 |
|
|
push @val, eval_exp($rl,$i+1,$pend-1,1);
|
| 1279 |
|
|
$i = $pend;
|
| 1280 |
|
|
|
| 1281 |
|
|
} else {
|
| 1282 |
|
|
die "BUGCHECK: tag='$$rt{tag}', val='$$rt{val}'\n";
|
| 1283 |
|
|
}
|
| 1284 |
|
|
|
| 1285 |
|
|
# if stack non-empty: return undef on undef, apply unary operators
|
| 1286 |
|
|
if (scalar(@val) > 0) {
|
| 1287 |
|
|
return undef unless defined $val[-1];
|
| 1288 |
|
|
my $o;
|
| 1289 |
|
|
while($o = pop @uop) {
|
| 1290 |
|
|
my $v = pop @val;
|
| 1291 |
|
|
if ($o eq '+') {
|
| 1292 |
|
|
} elsif ($o eq '-') {
|
| 1293 |
|
|
$v = -$v;
|
| 1294 |
|
|
} elsif ($o eq '^c') {
|
| 1295 |
|
|
$v = ~$v;
|
| 1296 |
|
|
} else {
|
| 1297 |
|
|
die "BUGCHECK: tag='OP(u)', val='$o'\n";
|
| 1298 |
|
|
}
|
| 1299 |
|
|
push @val, (0177777 & $v);
|
| 1300 |
|
|
}
|
| 1301 |
|
|
}
|
| 1302 |
|
|
|
| 1303 |
|
|
# if stack has 2 operands: apply binary operator
|
| 1304 |
|
|
if (scalar(@val) == 2) {
|
| 1305 |
|
|
die "BUGCHECK: bop not defined" unless defined $bop;
|
| 1306 |
|
|
my $v2 = pop @val;
|
| 1307 |
|
|
my $v1 = pop @val;
|
| 1308 |
|
|
return undef unless defined $v1 && defined $v2;
|
| 1309 |
|
|
if ($bop eq '+') {
|
| 1310 |
|
|
push @val, int($v1) + int($v2);
|
| 1311 |
|
|
} elsif ($bop eq '-') {
|
| 1312 |
|
|
push @val, int($v1) - int($v2);
|
| 1313 |
|
|
} elsif ($bop eq '*') {
|
| 1314 |
|
|
push @val, int($v1) * int($v2);
|
| 1315 |
|
|
} elsif ($bop eq '/') {
|
| 1316 |
|
|
push @val, int(int($v1) / int($v2));
|
| 1317 |
|
|
} elsif ($bop eq '&') {
|
| 1318 |
|
|
push @val, int($v1) & int($v2);
|
| 1319 |
|
|
} elsif ($bop eq '!') {
|
| 1320 |
|
|
push @val, int($v1) | int($v2);
|
| 1321 |
|
|
} else {
|
| 1322 |
|
|
die "BUGCHECK: tag='OP(b)', val='$bop'\n";
|
| 1323 |
|
|
}
|
| 1324 |
|
|
$bop = undef;
|
| 1325 |
|
|
}
|
| 1326 |
|
|
|
| 1327 |
|
|
}
|
| 1328 |
|
|
return pop @val;
|
| 1329 |
|
|
}
|
| 1330 |
|
|
|
| 1331 |
|
|
#-------------------------------------------------------------------------------
|
| 1332 |
|
|
# returns true if symbol looks like a local label (1234$)
|
| 1333 |
|
|
|
| 1334 |
|
|
sub check_llbl {
|
| 1335 |
|
|
my ($name) = @_;
|
| 1336 |
|
|
return ($name =~ m/^\d+\$/) ? 1 : 0;
|
| 1337 |
|
|
}
|
| 1338 |
|
|
|
| 1339 |
|
|
#-------------------------------------------------------------------------------
|
| 1340 |
|
|
# returns register number if register symbol, or undef
|
| 1341 |
|
|
|
| 1342 |
|
|
sub check_reg {
|
| 1343 |
|
|
my ($rt) = @_;
|
| 1344 |
|
|
return undef unless $$rt{tag} eq 'SYM';
|
| 1345 |
|
|
my $pse = $pst{$$rt{val}};
|
| 1346 |
|
|
return undef unless defined $pse;
|
| 1347 |
|
|
return undef unless $$pse{typ} eq 'reg';
|
| 1348 |
|
|
return $$pse{val};
|
| 1349 |
|
|
}
|
| 1350 |
|
|
|
| 1351 |
|
|
#-------------------------------------------------------------------------------
|
| 1352 |
|
|
# returns true if token has specific tag/val
|
| 1353 |
|
|
|
| 1354 |
|
|
sub check_token {
|
| 1355 |
|
|
my ($rt, $tag, $val) = @_;
|
| 1356 |
|
|
return undef unless $$rt{tag} eq $tag;
|
| 1357 |
|
|
return $$rt{val} eq $val;
|
| 1358 |
|
|
}
|
| 1359 |
|
|
|
| 1360 |
|
|
#-------------------------------------------------------------------------------
|
| 1361 |
|
|
|
| 1362 |
|
|
sub pushback_token {
|
| 1363 |
|
|
my ($rl) = @_;
|
| 1364 |
|
|
|
| 1365 |
|
|
my $rt = pop @{$$rl{tl}};
|
| 1366 |
|
|
push @t_pushback, $rt;
|
| 1367 |
|
|
|
| 1368 |
|
|
if ($opts{ttoken}) {
|
| 1369 |
|
|
printf "-- token-back: tag=%-3s val='%s'\n",
|
| 1370 |
|
|
$$rt{tag}, savestr($$rt{val});
|
| 1371 |
|
|
}
|
| 1372 |
|
|
|
| 1373 |
|
|
return;
|
| 1374 |
|
|
}
|
| 1375 |
|
|
|
| 1376 |
|
|
#-------------------------------------------------------------------------------
|
| 1377 |
|
|
|
| 1378 |
|
|
sub get_token {
|
| 1379 |
|
|
my ($rl, $tmask) = @_;
|
| 1380 |
|
|
my $rt;
|
| 1381 |
|
|
|
| 1382 |
|
|
if (scalar(@t_pushback)) {
|
| 1383 |
|
|
$rt = pop @t_pushback;
|
| 1384 |
|
|
if ($opts{ttoken}) {
|
| 1385 |
|
|
printf "-- token-reget: tag=%-3s val='%s'\n",
|
| 1386 |
|
|
$$rt{tag}, savestr($$rt{val});
|
| 1387 |
|
|
}
|
| 1388 |
|
|
|
| 1389 |
|
|
} else {
|
| 1390 |
|
|
$rt = get_token1($rl, $tmask);
|
| 1391 |
|
|
if ($opts{ttoken}) {
|
| 1392 |
|
|
printf "-- token-get: tag=%-3s val='%s'\n",
|
| 1393 |
|
|
$$rt{tag}, savestr($$rt{val});
|
| 1394 |
|
|
}
|
| 1395 |
|
|
}
|
| 1396 |
|
|
|
| 1397 |
|
|
push @{$$rl{tl}}, $rt;
|
| 1398 |
|
|
|
| 1399 |
|
|
return $rt;
|
| 1400 |
|
|
}
|
| 1401 |
|
|
|
| 1402 |
|
|
#-------------------------------------------------------------------------------
|
| 1403 |
|
|
|
| 1404 |
|
|
sub finish_token {
|
| 1405 |
|
|
my $rt = shift @_;
|
| 1406 |
|
|
while (scalar(@_)) {
|
| 1407 |
|
|
my $tag = shift @_;
|
| 1408 |
|
|
my $val = shift @_;
|
| 1409 |
|
|
$$rt{$tag} = $val;
|
| 1410 |
|
|
}
|
| 1411 |
|
|
return $rt;
|
| 1412 |
|
|
}
|
| 1413 |
|
|
|
| 1414 |
|
|
#-------------------------------------------------------------------------------
|
| 1415 |
|
|
|
| 1416 |
|
|
sub get_token1 {
|
| 1417 |
|
|
my ($rl, $tmask) = @_;
|
| 1418 |
|
|
my $rcl = $$rl{cl};
|
| 1419 |
|
|
|
| 1420 |
|
|
my $val;
|
| 1421 |
|
|
my $ws = '';
|
| 1422 |
|
|
|
| 1423 |
|
|
# drop any leading whitespace
|
| 1424 |
|
|
while (scalar(@$rcl)) {
|
| 1425 |
|
|
last if ($$rcl[0] !~ m/\s/);
|
| 1426 |
|
|
$ws .= shift @$rcl;
|
| 1427 |
|
|
}
|
| 1428 |
|
|
|
| 1429 |
|
|
my %t = (mask => $tmask,
|
| 1430 |
|
|
ws => $ws
|
| 1431 |
|
|
);
|
| 1432 |
|
|
|
| 1433 |
|
|
# end of line ?
|
| 1434 |
|
|
unless (scalar(@$rcl)) {
|
| 1435 |
|
|
return finish_token(\%t, tag=>'EOL', val=>$val);
|
| 1436 |
|
|
}
|
| 1437 |
|
|
|
| 1438 |
|
|
# get leading char
|
| 1439 |
|
|
my $c = $$rcl[0];
|
| 1440 |
|
|
|
| 1441 |
|
|
# comment ? treated similar to end of line, comment saved in val
|
| 1442 |
|
|
if($c eq ';') {
|
| 1443 |
|
|
$val = join('',@$rcl);
|
| 1444 |
|
|
@$rcl = ();
|
| 1445 |
|
|
return finish_token(\%t, tag=>'EOL', val=>$val);
|
| 1446 |
|
|
}
|
| 1447 |
|
|
|
| 1448 |
|
|
# here context dependent tokens
|
| 1449 |
|
|
if ($tmask & TMASK_STRING) {
|
| 1450 |
|
|
my $del = shift @$rcl;
|
| 1451 |
|
|
if ($del eq '<') {
|
| 1452 |
|
|
return finish_token(\%t, tag=> 'DEL', val=> $del);
|
| 1453 |
|
|
} else {
|
| 1454 |
|
|
my $str = $del;
|
| 1455 |
|
|
while (scalar(@$rcl)) {
|
| 1456 |
|
|
my $c = shift @$rcl;
|
| 1457 |
|
|
$str .= $c;
|
| 1458 |
|
|
return finish_token(\%t, tag=> 'STR', val=> $str) if $c eq $del;
|
| 1459 |
|
|
}
|
| 1460 |
|
|
add_err($rl, 'A');
|
| 1461 |
|
|
return finish_token(\%t, tag=> 'STR', val=> $str);
|
| 1462 |
|
|
}
|
| 1463 |
|
|
}
|
| 1464 |
|
|
|
| 1465 |
|
|
# looks like symbol ?
|
| 1466 |
|
|
if ($c =~ m/[a-zA-Z\$\.]/) {
|
| 1467 |
|
|
while (scalar(@$rcl)) {
|
| 1468 |
|
|
last if ($$rcl[0] !~ m/[a-zA-Z0-9\$\.]/);
|
| 1469 |
|
|
$val .= shift @$rcl;
|
| 1470 |
|
|
}
|
| 1471 |
|
|
return finish_token(\%t, tag=> 'SYM', val=> $val);
|
| 1472 |
|
|
}
|
| 1473 |
|
|
|
| 1474 |
|
|
# looks like number or local label ?
|
| 1475 |
|
|
if ($c =~ m/[0-9]/) {
|
| 1476 |
|
|
while (scalar(@$rcl)) {
|
| 1477 |
|
|
last if ($$rcl[0] !~ m/[0-9]/);
|
| 1478 |
|
|
$val .= shift @$rcl;
|
| 1479 |
|
|
}
|
| 1480 |
|
|
# check for local label
|
| 1481 |
|
|
if (scalar(@$rcl) && $$rcl[0] eq '$') {
|
| 1482 |
|
|
# FIXME_code: reject labels with numbers >64k-1
|
| 1483 |
|
|
$val .= shift @$rcl;
|
| 1484 |
|
|
return finish_token(\%t, tag=> 'SYM', val=> $val);
|
| 1485 |
|
|
}
|
| 1486 |
|
|
# looks like numerical constant
|
| 1487 |
|
|
my $nval = undef;
|
| 1488 |
|
|
# if trailing '.' seen, add and handle as decimal, otherwise as octal
|
| 1489 |
|
|
if (scalar(@$rcl) && $$rcl[0] eq '.') {
|
| 1490 |
|
|
$nval =int($val);
|
| 1491 |
|
|
$val .= shift @$rcl;
|
| 1492 |
|
|
if ($nval > 65535) {
|
| 1493 |
|
|
add_err($rl, 'T');
|
| 1494 |
|
|
$nval &= 0177777;
|
| 1495 |
|
|
}
|
| 1496 |
|
|
} else {
|
| 1497 |
|
|
$nval = 0;
|
| 1498 |
|
|
foreach my $cc (split '',$val) {
|
| 1499 |
|
|
$nval = ($nval<<3) + int($cc);
|
| 1500 |
|
|
add_err($rl, 'N') unless $cc =~ m/[0-7]/;
|
| 1501 |
|
|
add_err($rl, 'T') unless $nval <= 0177777;
|
| 1502 |
|
|
$nval &= 0177777;
|
| 1503 |
|
|
}
|
| 1504 |
|
|
}
|
| 1505 |
|
|
return finish_token(\%t, tag=> 'NUM', val=> $val, nval=>$nval);
|
| 1506 |
|
|
}
|
| 1507 |
|
|
|
| 1508 |
|
|
# looks like label delimiter (':' or '::') ?
|
| 1509 |
|
|
if ($c eq ':') {
|
| 1510 |
|
|
$val .= shift @$rcl;
|
| 1511 |
|
|
$val .= shift @$rcl if (scalar(@$rcl) && $$rcl[0] eq ':');
|
| 1512 |
|
|
return finish_token(\%t, tag=> 'LBL', val=> $val);
|
| 1513 |
|
|
}
|
| 1514 |
|
|
|
| 1515 |
|
|
# looks assignment delimiter ('=','=:','==','==:') ?
|
| 1516 |
|
|
if ($c eq '=') {
|
| 1517 |
|
|
$val .= shift @$rcl;
|
| 1518 |
|
|
$val .= shift @$rcl if (scalar(@$rcl) && $$rcl[0] eq '=');
|
| 1519 |
|
|
$val .= shift @$rcl if (scalar(@$rcl) && $$rcl[0] eq ':');
|
| 1520 |
|
|
return finish_token(\%t, tag=> 'ASS', val=> $val);
|
| 1521 |
|
|
}
|
| 1522 |
|
|
|
| 1523 |
|
|
# operators
|
| 1524 |
|
|
if ($c =~ m/^(\+|\-)$/ ) { # unary/binary operators
|
| 1525 |
|
|
return finish_token(\%t, tag=> 'OP', typ=> 'ub', val=> shift @$rcl);
|
| 1526 |
|
|
}
|
| 1527 |
|
|
if ($c =~ m/^(\*|\/|\&|\!)$/ ) { # binary operators
|
| 1528 |
|
|
return finish_token(\%t, tag=> 'OP', typ=> 'b', val=> shift @$rcl);
|
| 1529 |
|
|
}
|
| 1530 |
|
|
if ($c =~ m/^(\#|\@)$/ ) { # unary operators
|
| 1531 |
|
|
return finish_token(\%t, tag=> 'OP', typ=> 'u', val=> shift @$rcl);
|
| 1532 |
|
|
}
|
| 1533 |
|
|
|
| 1534 |
|
|
# ' and " operator
|
| 1535 |
|
|
if ($c eq "'") {
|
| 1536 |
|
|
$val .= shift @$rcl;
|
| 1537 |
|
|
$c = shift @$rcl;
|
| 1538 |
|
|
if (not defined $c) {
|
| 1539 |
|
|
return finish_token(\%t, tag=> 'BAD', val=> $val);
|
| 1540 |
|
|
}
|
| 1541 |
|
|
$val .= $c;
|
| 1542 |
|
|
return finish_token(\%t, tag => 'NUM', val=> $val, nval=>ord($c));
|
| 1543 |
|
|
}
|
| 1544 |
|
|
|
| 1545 |
|
|
if ($c eq '"') {
|
| 1546 |
|
|
$val .= shift @$rcl;
|
| 1547 |
|
|
my $c1 = shift @$rcl;
|
| 1548 |
|
|
my $c2 = shift @$rcl;
|
| 1549 |
|
|
if (! defined $c1 || ! defined $c2) {
|
| 1550 |
|
|
return finish_token(\%t, tag=> 'BAD', val=> $val);
|
| 1551 |
|
|
}
|
| 1552 |
|
|
$val .= $c1;
|
| 1553 |
|
|
$val .= $c2;
|
| 1554 |
|
|
return finish_token(\%t, tag => 'NUM', val=> $val,
|
| 1555 |
|
|
nval=>ord($c2)<<8|ord($c1));
|
| 1556 |
|
|
}
|
| 1557 |
|
|
|
| 1558 |
|
|
# universal ^ operator
|
| 1559 |
|
|
if ($c eq '^') {
|
| 1560 |
|
|
$val .= shift @$rcl;
|
| 1561 |
|
|
$c = shift @$rcl;
|
| 1562 |
|
|
if (not defined $c) {
|
| 1563 |
|
|
return finish_token(\%t, tag=> 'BAD', val=> $val);
|
| 1564 |
|
|
}
|
| 1565 |
|
|
$val .= $c;
|
| 1566 |
|
|
$c = lc($c);
|
| 1567 |
|
|
if ($c eq 'c') {
|
| 1568 |
|
|
return finish_token(\%t, tag=> 'OP', typ=> 'u', val=> $val);
|
| 1569 |
|
|
|
| 1570 |
|
|
} elsif ($c eq 'b') {
|
| 1571 |
|
|
my $nval = 0;
|
| 1572 |
|
|
while (scalar(@$rcl)) {
|
| 1573 |
|
|
last if ($$rcl[0] !~ m/[0-9]/);
|
| 1574 |
|
|
my $cc = shift @$rcl;
|
| 1575 |
|
|
$nval = ($nval<<1) + int($cc);
|
| 1576 |
|
|
add_err($rl, 'N') unless $cc =~ m/[0-1]/;
|
| 1577 |
|
|
add_err($rl, 'T') unless $nval <= 0177777;
|
| 1578 |
|
|
$nval &= 0177777;
|
| 1579 |
|
|
$val .= $cc;
|
| 1580 |
|
|
}
|
| 1581 |
|
|
return finish_token(\%t, tag=> 'NUM', val=> $val, nval=> $nval);
|
| 1582 |
|
|
|
| 1583 |
|
|
} elsif ($c eq 'o') {
|
| 1584 |
|
|
my $nval = 0;
|
| 1585 |
|
|
while (scalar(@$rcl)) {
|
| 1586 |
|
|
last if ($$rcl[0] !~ m/[0-9]/);
|
| 1587 |
|
|
my $cc = shift @$rcl;
|
| 1588 |
|
|
$nval = ($nval<<3) + int($cc);
|
| 1589 |
|
|
add_err($rl, 'N') unless $cc =~ m/[0-7]/;
|
| 1590 |
|
|
add_err($rl, 'T') unless $nval <= 0177777;
|
| 1591 |
|
|
$nval &= 0177777;
|
| 1592 |
|
|
$val .= $cc;
|
| 1593 |
|
|
}
|
| 1594 |
|
|
return finish_token(\%t, tag=> 'NUM', val=> $val, nval=> $nval);
|
| 1595 |
|
|
|
| 1596 |
|
|
} elsif ($c eq 'd') {
|
| 1597 |
|
|
my $nval = 0;
|
| 1598 |
|
|
while (scalar(@$rcl)) {
|
| 1599 |
|
|
last if ($$rcl[0] !~ m/[0-9]/);
|
| 1600 |
|
|
my $cc = shift @$rcl;
|
| 1601 |
|
|
$nval = 10*$nval + int($cc);
|
| 1602 |
|
|
add_err($rl, 'T') unless $nval <= 0177777;
|
| 1603 |
|
|
$nval &= 0177777;
|
| 1604 |
|
|
$val .= $cc;
|
| 1605 |
|
|
}
|
| 1606 |
|
|
return finish_token(\%t, tag=> 'NUM', val=> $val, nval=> $nval);
|
| 1607 |
|
|
|
| 1608 |
|
|
} elsif ($c eq 'x') {
|
| 1609 |
|
|
my $nval = 0;
|
| 1610 |
|
|
while (scalar(@$rcl)) {
|
| 1611 |
|
|
last if ($$rcl[0] !~ m/[0-9a-fA-F]/);
|
| 1612 |
|
|
my $cc = shift @$rcl;
|
| 1613 |
|
|
$nval = ($nval<<4) + hex($cc);
|
| 1614 |
|
|
add_err($rl, 'T') unless $nval <= 0177777;
|
| 1615 |
|
|
$nval &= 0177777;
|
| 1616 |
|
|
$val .= $cc;
|
| 1617 |
|
|
}
|
| 1618 |
|
|
return finish_token(\%t, tag=> 'NUM', val=> $val, nval=> $nval);
|
| 1619 |
|
|
|
| 1620 |
|
|
} elsif ($c eq 'r') {
|
| 1621 |
|
|
my $nval = 0;
|
| 1622 |
|
|
for (my $i=0; $i<3; $i++) {
|
| 1623 |
|
|
last unless defined $$rcl[0];
|
| 1624 |
|
|
last unless $$rcl[0] =~ m/^[0-9a-zA-Z\.\$\ ]$/;
|
| 1625 |
|
|
$nval = 050 * $nval + to_rad50($$rcl[0]);
|
| 1626 |
|
|
$val .= shift @$rcl;
|
| 1627 |
|
|
}
|
| 1628 |
|
|
return finish_token(\%t, tag=> 'NUM', val=> $val, nval=>$nval);
|
| 1629 |
|
|
|
| 1630 |
|
|
} else {
|
| 1631 |
|
|
return finish_token(\%t, tag=> 'BAD', val=> $val);
|
| 1632 |
|
|
}
|
| 1633 |
|
|
}
|
| 1634 |
|
|
|
| 1635 |
|
|
# delimiters
|
| 1636 |
|
|
if ($c =~ m|^[\(\)\,\<\>]$|) {
|
| 1637 |
|
|
return finish_token(\%t, tag=> 'DEL', val=> shift @$rcl);
|
| 1638 |
|
|
}
|
| 1639 |
|
|
|
| 1640 |
|
|
# can't handle stuff
|
| 1641 |
|
|
$val = join('',@$rcl);
|
| 1642 |
|
|
@$rcl = ();
|
| 1643 |
|
|
return finish_token(\%t, tag=> 'BAD', val=> $val);
|
| 1644 |
|
|
}
|
| 1645 |
|
|
|
| 1646 |
|
|
#-------------------------------------------------------------------------------
|
| 1647 |
|
|
|
| 1648 |
|
|
sub to_rad50 {
|
| 1649 |
|
|
my ($c) = @_;
|
| 1650 |
|
|
return undef unless defined $c;
|
| 1651 |
|
|
$c = lc($c);
|
| 1652 |
|
|
return 0 if $c eq ' ';
|
| 1653 |
|
|
return 001 + ord($c)-ord('a') if $c =~ m/^[a-z]$/;
|
| 1654 |
|
|
return 033 if $c eq '$';
|
| 1655 |
|
|
return 034 if $c eq '.';
|
| 1656 |
|
|
return 036 + ord($c)-ord('0') if $c =~ m/^[0-9]$/;
|
| 1657 |
|
|
return undef;
|
| 1658 |
|
|
}
|
| 1659 |
|
|
|
| 1660 |
|
|
#-------------------------------------------------------------------------------
|
| 1661 |
|
|
|
| 1662 |
|
|
sub pass2 {
|
| 1663 |
|
|
|
| 1664 |
|
|
my $fh;
|
| 1665 |
|
|
if ($lst_do) {
|
| 1666 |
|
|
if ($lst_fname eq "-") {
|
| 1667 |
|
|
$fh = *STDOUT;
|
| 1668 |
|
|
} else {
|
| 1669 |
|
|
$fh = new FileHandle;
|
| 1670 |
|
|
unless (open($fh, ">", $lst_fname)) {
|
| 1671 |
|
|
print STDERR "asm-11-F: '$lst_fname' not writable, quiting..\n";
|
| 1672 |
|
|
exit 1;
|
| 1673 |
|
|
}
|
| 1674 |
|
|
}
|
| 1675 |
|
|
}
|
| 1676 |
|
|
|
| 1677 |
|
|
pass2_lst_beg($fh) if $lst_do;
|
| 1678 |
|
|
|
| 1679 |
|
|
foreach my $rl (@src) {
|
| 1680 |
|
|
|
| 1681 |
|
|
$$rl{dot} = getdot();
|
| 1682 |
|
|
$llbl_scope = $$rl{lscope} if defined $$rl{lscope};
|
| 1683 |
|
|
|
| 1684 |
|
|
# handle label definitions
|
| 1685 |
|
|
if (defined $$rl{label}) {
|
| 1686 |
|
|
if (lst_checkmdef($$rl{label})) {
|
| 1687 |
|
|
add_err($rl, 'M');
|
| 1688 |
|
|
} else {
|
| 1689 |
|
|
my $val = getsym($rl, $$rl{label}, 1);
|
| 1690 |
|
|
if (! defined $val || $val != getdot()) {
|
| 1691 |
|
|
add_err($rl, 'P');
|
| 1692 |
|
|
}
|
| 1693 |
|
|
}
|
| 1694 |
|
|
}
|
| 1695 |
|
|
|
| 1696 |
|
|
# generate output data
|
| 1697 |
|
|
pass2_out($rl);
|
| 1698 |
|
|
# listing requested
|
| 1699 |
|
|
pass2_lst_line($rl, $fh) if $lst_do;
|
| 1700 |
|
|
# pass 2 dump requested
|
| 1701 |
|
|
dump_rl($rl) if $opts{tpass2};
|
| 1702 |
|
|
|
| 1703 |
|
|
}
|
| 1704 |
|
|
|
| 1705 |
|
|
pass2_lst_end($fh) if $lst_do;
|
| 1706 |
|
|
|
| 1707 |
|
|
return;
|
| 1708 |
|
|
}
|
| 1709 |
|
|
|
| 1710 |
|
|
#-------------------------------------------------------------------------------
|
| 1711 |
|
|
|
| 1712 |
|
|
sub pass2_out {
|
| 1713 |
|
|
my ($rl) = @_;
|
| 1714 |
|
|
|
| 1715 |
|
|
# quit without code generation for 'questionable syntax' lines
|
| 1716 |
|
|
return if $$rl{err} =~ m/[IQ]/;
|
| 1717 |
|
|
|
| 1718 |
|
|
# return if no pass2 action (typ not defined)
|
| 1719 |
|
|
return unless defined $$rl{typ};
|
| 1720 |
|
|
|
| 1721 |
|
|
# generate code
|
| 1722 |
|
|
if ($$rl{typ} eq 'code') {
|
| 1723 |
|
|
walign($rl);
|
| 1724 |
|
|
my $opcode = $$rl{opcode};
|
| 1725 |
|
|
my $opfmt = $$rl{opfmt};
|
| 1726 |
|
|
|
| 1727 |
|
|
# printf "+++1 $$rl{typ},$$rl{oper},%s,%s\n",
|
| 1728 |
|
|
# savestr($opcode), savestr($opfmt);
|
| 1729 |
|
|
|
| 1730 |
|
|
if ($opfmt eq '-') {
|
| 1731 |
|
|
out_opcode($rl, $opcode);
|
| 1732 |
|
|
|
| 1733 |
|
|
} elsif ($opfmt eq 'g') {
|
| 1734 |
|
|
out_opcode($rl, $opcode | $$rl{o1mod}<<3 | $$rl{o1reg});
|
| 1735 |
|
|
out_opdata($rl, $$rl{o1mod}, $$rl{o1reg},
|
| 1736 |
|
|
$$rl{o1ebeg}, $$rl{o1eend});
|
| 1737 |
|
|
|
| 1738 |
|
|
} elsif ($opfmt eq 'gg') {
|
| 1739 |
|
|
out_opcode($rl, $opcode | $$rl{o1mod}<<9 | $$rl{o1reg}<<6 |
|
| 1740 |
|
|
$$rl{o2mod}<<3 | $$rl{o2reg});
|
| 1741 |
|
|
out_opdata($rl, $$rl{o1mod}, $$rl{o1reg},
|
| 1742 |
|
|
$$rl{o1ebeg}, $$rl{o1eend});
|
| 1743 |
|
|
out_opdata($rl, $$rl{o2mod}, $$rl{o2reg},
|
| 1744 |
|
|
$$rl{o2ebeg}, $$rl{o2eend});
|
| 1745 |
|
|
} elsif ($opfmt eq 'r') {
|
| 1746 |
|
|
out_opcode($rl, $opcode | $$rl{o1reg});
|
| 1747 |
|
|
} elsif ($opfmt eq 'rg' || $opfmt eq 'gr') {
|
| 1748 |
|
|
out_opcode($rl, $opcode | $$rl{o1reg}<<6 |
|
| 1749 |
|
|
$$rl{o2mod}<<3 | $$rl{o2reg});
|
| 1750 |
|
|
out_opdata($rl, $$rl{o2mod}, $$rl{o2reg},
|
| 1751 |
|
|
$$rl{o2ebeg}, $$rl{o2eend});
|
| 1752 |
|
|
} elsif ($opfmt eq 'n3') {
|
| 1753 |
|
|
out_opcode_n($rl, $opcode, 07, $$rl{ebeg}, $$rl{eend});
|
| 1754 |
|
|
} elsif ($opfmt eq 'n6') {
|
| 1755 |
|
|
out_opcode_n($rl, $opcode, 077, $$rl{ebeg}, $$rl{eend});
|
| 1756 |
|
|
} elsif ($opfmt eq 'n8') {
|
| 1757 |
|
|
out_opcode_n($rl, $opcode, 0377, $$rl{ebeg}, $$rl{eend});
|
| 1758 |
|
|
} elsif ($opfmt eq 's8') {
|
| 1759 |
|
|
out_opcode_o($rl, $opcode, 's8', $$rl{ebeg}, $$rl{eend});
|
| 1760 |
|
|
} elsif ($opfmt eq 'ru6') {
|
| 1761 |
|
|
out_opcode_o($rl, $opcode|($$rl{o1reg}<<6), 'u6',
|
| 1762 |
|
|
$$rl{ebeg}, $$rl{eend});
|
| 1763 |
|
|
} else {
|
| 1764 |
|
|
die "BUGCHECK: unknown opfmt '$opfmt'";
|
| 1765 |
|
|
}
|
| 1766 |
|
|
|
| 1767 |
|
|
# generate data
|
| 1768 |
|
|
} elsif ($$rl{typ} eq 'data') {
|
| 1769 |
|
|
if ($$rl{oper} eq '.word' || $$rl{oper} eq '.byte' ) {
|
| 1770 |
|
|
walign($rl) if $$rl{oper} eq '.word';
|
| 1771 |
|
|
my $size = ($$rl{oper} eq '.word') ? 2 : 1;
|
| 1772 |
|
|
my $mask = ($size == 2) ? 0177777 : 0377;
|
| 1773 |
|
|
foreach (@{$$rl{delist}}) {
|
| 1774 |
|
|
my $ibeg = $$_{ibeg};
|
| 1775 |
|
|
my $iend = $$_{iend};
|
| 1776 |
|
|
my $val = 0;
|
| 1777 |
|
|
if (defined $ibeg) {
|
| 1778 |
|
|
$val = eval_exp($rl, $ibeg, $iend);
|
| 1779 |
|
|
if (not defined $val) {
|
| 1780 |
|
|
$val = 0;
|
| 1781 |
|
|
add_err($rl, 'U');
|
| 1782 |
|
|
}
|
| 1783 |
|
|
}
|
| 1784 |
|
|
# FIXME_code: handle T error here !!
|
| 1785 |
|
|
$val &= $mask;
|
| 1786 |
|
|
if ($$rl{oper} eq '.word') {
|
| 1787 |
|
|
out_w($rl, $val);
|
| 1788 |
|
|
} else {
|
| 1789 |
|
|
out_b($rl, $val);
|
| 1790 |
|
|
}
|
| 1791 |
|
|
}
|
| 1792 |
|
|
|
| 1793 |
|
|
} elsif ($$rl{oper} eq '.blkw' || $$rl{oper} eq '.blkb' ) {
|
| 1794 |
|
|
walign($rl) if $$rl{oper} eq '.blkw';
|
| 1795 |
|
|
incdot($$rl{incdot});
|
| 1796 |
|
|
|
| 1797 |
|
|
} elsif ($$rl{oper} eq '.ascii' || $$rl{oper} eq '.asciz' ) {
|
| 1798 |
|
|
foreach my $rd (@{$$rl{delist}}) {
|
| 1799 |
|
|
if (defined $$rd{str}) {
|
| 1800 |
|
|
my @chr = split '',$$rd{str};
|
| 1801 |
|
|
shift @chr;
|
| 1802 |
|
|
pop @chr;
|
| 1803 |
|
|
foreach (@chr) {
|
| 1804 |
|
|
push @{$$rl{outb}}, ord($_);
|
| 1805 |
|
|
}
|
| 1806 |
|
|
} else {
|
| 1807 |
|
|
my $val = eval_exp($rl, $$rd{ibeg}, $$rd{iend});
|
| 1808 |
|
|
if (not defined $val) {
|
| 1809 |
|
|
$val = 0;
|
| 1810 |
|
|
add_err($rl, 'U');
|
| 1811 |
|
|
}
|
| 1812 |
|
|
if ($val < 0 || $val > 0377) {
|
| 1813 |
|
|
$val &= 0377;
|
| 1814 |
|
|
add_err($rl, 'T');
|
| 1815 |
|
|
}
|
| 1816 |
|
|
push @{$$rl{outb}}, $val;
|
| 1817 |
|
|
}
|
| 1818 |
|
|
}
|
| 1819 |
|
|
push @{$$rl{outb}}, 0 if $$rl{oper} eq '.asciz';
|
| 1820 |
|
|
incdot(scalar(@{$$rl{outb}}));
|
| 1821 |
|
|
|
| 1822 |
|
|
} elsif ($$rl{oper} eq '.even' || $$rl{oper} eq '.odd' ) {
|
| 1823 |
|
|
if ($$rl{incdot}) {
|
| 1824 |
|
|
push @{$$rl{outb}}, 0;
|
| 1825 |
|
|
incdot(1);
|
| 1826 |
|
|
}
|
| 1827 |
|
|
|
| 1828 |
|
|
} else {
|
| 1829 |
|
|
die "BUGCHECK: unknown data oper '$$rl{oper}'";
|
| 1830 |
|
|
}
|
| 1831 |
|
|
|
| 1832 |
|
|
# handle assignments
|
| 1833 |
|
|
} elsif ($$rl{typ} eq 'ass') {
|
| 1834 |
|
|
my $val = eval_exp($rl, $$rl{ebeg}, $$rl{eend});
|
| 1835 |
|
|
if (defined $val) {
|
| 1836 |
|
|
$$rl{lstval} = $val;
|
| 1837 |
|
|
setsym($rl, $$rl{atyp}, $$rl{asym}, $val);
|
| 1838 |
|
|
} else {
|
| 1839 |
|
|
$$rl{lstval} = 0;
|
| 1840 |
|
|
add_err($rl, 'U');
|
| 1841 |
|
|
}
|
| 1842 |
|
|
|
| 1843 |
|
|
} else {
|
| 1844 |
|
|
die "BUGCHECK: unknown line typ '$$rl{typ}'";
|
| 1845 |
|
|
}
|
| 1846 |
|
|
|
| 1847 |
|
|
if (scalar(@{$$rl{outw}})) {
|
| 1848 |
|
|
emitw($$rl{dot}, $$rl{outw});
|
| 1849 |
|
|
} elsif (scalar(@{$$rl{outb}})) {
|
| 1850 |
|
|
emitb($$rl{dot}, $$rl{outb});
|
| 1851 |
|
|
}
|
| 1852 |
|
|
|
| 1853 |
|
|
return;
|
| 1854 |
|
|
}
|
| 1855 |
|
|
|
| 1856 |
|
|
#-------------------------------------------------------------------------------
|
| 1857 |
|
|
|
| 1858 |
|
|
sub pass2_lst_beg {
|
| 1859 |
|
|
my ($fh) = @_;
|
| 1860 |
|
|
printf $fh "; Input file list:\n";
|
| 1861 |
|
|
my $fileno = 1;
|
| 1862 |
|
|
foreach my $fname (@flist) {
|
| 1863 |
|
|
$fname =~ s/^$ENV{RETROBASE}/\$RETROBASE/;
|
| 1864 |
|
|
printf $fh "; %2d: %s\n", $fileno, $fname;
|
| 1865 |
|
|
$fileno += 1;
|
| 1866 |
|
|
}
|
| 1867 |
|
|
print $fh ";\n";
|
| 1868 |
|
|
return;
|
| 1869 |
|
|
}
|
| 1870 |
|
|
|
| 1871 |
|
|
#-------------------------------------------------------------------------------
|
| 1872 |
|
|
|
| 1873 |
|
|
sub pass2_lst_end {
|
| 1874 |
|
|
my ($fh) = @_;
|
| 1875 |
|
|
if ($errcnt_tot) {
|
| 1876 |
|
|
print $fh ";\n";
|
| 1877 |
|
|
print $fh "; Error summary:\n";
|
| 1878 |
|
|
foreach my $err (sort keys %errcnt) {
|
| 1879 |
|
|
printf $fh "; %s: %3d\n", $err, $errcnt{$err};
|
| 1880 |
|
|
}
|
| 1881 |
|
|
}
|
| 1882 |
|
|
return;
|
| 1883 |
|
|
}
|
| 1884 |
|
|
|
| 1885 |
|
|
#-------------------------------------------------------------------------------
|
| 1886 |
|
|
# line format is
|
| 1887 |
|
|
# er fn lnum dot source
|
| 1888 |
|
|
# .. dd dddd oooooo oooooo oooooo oooooo
|
| 1889 |
|
|
# .. ooo ooo ooo ooo ooo
|
| 1890 |
|
|
|
| 1891 |
|
|
sub pass2_lst_line {
|
| 1892 |
|
|
my ($rl,$fh) = @_;
|
| 1893 |
|
|
|
| 1894 |
|
|
my @ow = @{$$rl{outw}};
|
| 1895 |
|
|
my @ob = @{$$rl{outb}};
|
| 1896 |
|
|
my $str = '';
|
| 1897 |
|
|
$str .= sprintf("%-2s", prt_err($rl));
|
| 1898 |
|
|
$str .= sprintf(" %2d", $$rl{fileno});
|
| 1899 |
|
|
$str .= sprintf(" %4d", $$rl{lineno});
|
| 1900 |
|
|
|
| 1901 |
|
|
# print dot if data is generated for this line, or label
|
| 1902 |
|
|
my $prtdot = defined $$rl{lstdot} ||
|
| 1903 |
|
|
scalar(@{$$rl{outw}}) ||
|
| 1904 |
|
|
scalar(@{$$rl{outb}}) ||
|
| 1905 |
|
|
$$rl{label};
|
| 1906 |
|
|
if ($prtdot) {
|
| 1907 |
|
|
$str .= prt76o($$rl{dot});
|
| 1908 |
|
|
} else {
|
| 1909 |
|
|
$str .= ' ';
|
| 1910 |
|
|
}
|
| 1911 |
|
|
|
| 1912 |
|
|
if (defined $$rl{lstval}) {
|
| 1913 |
|
|
$str .= prt76o($$rl{lstval});
|
| 1914 |
|
|
$str .= ' ' x 14;
|
| 1915 |
|
|
} elsif (scalar(@ow)) {
|
| 1916 |
|
|
for (my $i=0; $i<3; $i++) { $str .= prt76o(shift @ow); }
|
| 1917 |
|
|
} elsif (scalar(@ob)) {
|
| 1918 |
|
|
for (my $i=0; $i<5; $i++) { $str .= prt43o(shift @ob); }
|
| 1919 |
|
|
$str .= ' ';
|
| 1920 |
|
|
} else {
|
| 1921 |
|
|
$str .= ' ' x 21;
|
| 1922 |
|
|
}
|
| 1923 |
|
|
|
| 1924 |
|
|
$str .= ' ' . $$rl{line} . "\n";
|
| 1925 |
|
|
print $fh $str;
|
| 1926 |
|
|
if (1) {
|
| 1927 |
|
|
while (scalar(@ow)) {
|
| 1928 |
|
|
$str = ' ';
|
| 1929 |
|
|
for (my $i=0; $i<3; $i++) { $str .= prt76o(shift @ow); }
|
| 1930 |
|
|
print $fh $str . "\n";
|
| 1931 |
|
|
}
|
| 1932 |
|
|
while (scalar(@ob)) {
|
| 1933 |
|
|
$str = ' ';
|
| 1934 |
|
|
for (my $i=0; $i<5; $i++) { $str .= prt43o(shift @ob); }
|
| 1935 |
|
|
print $fh $str . "\n";
|
| 1936 |
|
|
}
|
| 1937 |
|
|
}
|
| 1938 |
|
|
return;
|
| 1939 |
|
|
}
|
| 1940 |
|
|
|
| 1941 |
|
|
#-------------------------------------------------------------------------------
|
| 1942 |
|
|
|
| 1943 |
|
|
sub out_w {
|
| 1944 |
|
|
my ($rl,$word) = @_;
|
| 1945 |
|
|
push @{$$rl{outw}}, $word;
|
| 1946 |
|
|
incdot(2);
|
| 1947 |
|
|
return;
|
| 1948 |
|
|
}
|
| 1949 |
|
|
|
| 1950 |
|
|
#-------------------------------------------------------------------------------
|
| 1951 |
|
|
|
| 1952 |
|
|
sub out_b {
|
| 1953 |
|
|
my ($rl,$byte) = @_;
|
| 1954 |
|
|
push @{$$rl{outb}}, $byte;
|
| 1955 |
|
|
incdot(1);
|
| 1956 |
|
|
return;
|
| 1957 |
|
|
}
|
| 1958 |
|
|
|
| 1959 |
|
|
#-------------------------------------------------------------------------------
|
| 1960 |
|
|
|
| 1961 |
|
|
sub out_opcode {
|
| 1962 |
|
|
my ($rl,$code) = @_;
|
| 1963 |
|
|
out_w($rl, $code);
|
| 1964 |
|
|
return;
|
| 1965 |
|
|
}
|
| 1966 |
|
|
|
| 1967 |
|
|
#-------------------------------------------------------------------------------
|
| 1968 |
|
|
|
| 1969 |
|
|
sub out_opcode_n {
|
| 1970 |
|
|
my ($rl,$code,$mask,$ebeg,$eend) = @_;
|
| 1971 |
|
|
# FIXME_code: shouldn't we die here ?
|
| 1972 |
|
|
return unless defined $ebeg;
|
| 1973 |
|
|
|
| 1974 |
|
|
my $val = eval_exp($rl,$ebeg,$eend);
|
| 1975 |
|
|
unless (defined $val) {
|
| 1976 |
|
|
$val = 0;
|
| 1977 |
|
|
add_err($rl, 'A');
|
| 1978 |
|
|
}
|
| 1979 |
|
|
if ($val & ~$mask) {
|
| 1980 |
|
|
$val &= $mask;
|
| 1981 |
|
|
add_err($rl, 'T');
|
| 1982 |
|
|
}
|
| 1983 |
|
|
out_w($rl, $code|$val);
|
| 1984 |
|
|
return;
|
| 1985 |
|
|
}
|
| 1986 |
|
|
|
| 1987 |
|
|
#-------------------------------------------------------------------------------
|
| 1988 |
|
|
|
| 1989 |
|
|
sub out_opcode_o {
|
| 1990 |
|
|
my ($rl,$code,$typ,$ebeg,$eend) = @_;
|
| 1991 |
|
|
# FIXME_code: shouldn't we die here ?
|
| 1992 |
|
|
return unless defined $ebeg;
|
| 1993 |
|
|
|
| 1994 |
|
|
my $val = eval_exp($rl,$ebeg,$eend);
|
| 1995 |
|
|
my $off;
|
| 1996 |
|
|
if (defined $val) {
|
| 1997 |
|
|
$off = ($val - (getdot()+2)) / 2;
|
| 1998 |
|
|
} else {
|
| 1999 |
|
|
$off = -1;
|
| 2000 |
|
|
add_err($rl, 'U');
|
| 2001 |
|
|
}
|
| 2002 |
|
|
|
| 2003 |
|
|
if ($typ eq 's8') {
|
| 2004 |
|
|
if ($off > 127 || $off < -128) {
|
| 2005 |
|
|
add_err($rl, 'A');
|
| 2006 |
|
|
}
|
| 2007 |
|
|
$off &= 0377;
|
| 2008 |
|
|
} else {
|
| 2009 |
|
|
$off = -$off;
|
| 2010 |
|
|
if ($off > 63 || $off < 0) {
|
| 2011 |
|
|
add_err($rl, 'A');
|
| 2012 |
|
|
}
|
| 2013 |
|
|
$off &= 0077;
|
| 2014 |
|
|
}
|
| 2015 |
|
|
out_w($rl, $code|$off);
|
| 2016 |
|
|
return;
|
| 2017 |
|
|
}
|
| 2018 |
|
|
|
| 2019 |
|
|
#-------------------------------------------------------------------------------
|
| 2020 |
|
|
|
| 2021 |
|
|
sub out_opdata {
|
| 2022 |
|
|
my ($rl,$mod,$reg,$ebeg,$eend) = @_;
|
| 2023 |
|
|
# FIXME_code: shouldn't we die here ?
|
| 2024 |
|
|
return unless defined $ebeg;
|
| 2025 |
|
|
|
| 2026 |
|
|
my $val = eval_exp($rl,$ebeg,$eend);
|
| 2027 |
|
|
unless (defined $val) {
|
| 2028 |
|
|
out_w($rl, 0);
|
| 2029 |
|
|
add_err($rl, 'U');
|
| 2030 |
|
|
return;
|
| 2031 |
|
|
}
|
| 2032 |
|
|
if ($mod>=6 && $reg==7) {
|
| 2033 |
|
|
$val = ($val - (getdot()+2)) & 0177777;
|
| 2034 |
|
|
}
|
| 2035 |
|
|
out_w($rl, $val);
|
| 2036 |
|
|
return;
|
| 2037 |
|
|
}
|
| 2038 |
|
|
|
| 2039 |
|
|
#-------------------------------------------------------------------------------
|
| 2040 |
|
|
|
| 2041 |
|
|
sub emitw {
|
| 2042 |
|
|
my ($baddr,$rwl) = @_;
|
| 2043 |
|
|
if ($opts{temit}) {
|
| 2044 |
|
|
printf "-- emit: w %6.6o:", $baddr;
|
| 2045 |
|
|
foreach my $w (@$rwl) { printf " %6.6o", $w; }
|
| 2046 |
|
|
print "\n";
|
| 2047 |
|
|
}
|
| 2048 |
|
|
return unless scalar(@$rwl);
|
| 2049 |
|
|
|
| 2050 |
|
|
if ((! defined $out_dot) || $out_dot!=$baddr || $out_data[-1]->{typ} ne 'w') {
|
| 2051 |
|
|
push @out_data, {typ=> 'w', addr=>$baddr, data=>[@$rwl]};
|
| 2052 |
|
|
} else {
|
| 2053 |
|
|
my $rdata = $out_data[-1]->{data};
|
| 2054 |
|
|
push @$rdata, @$rwl;
|
| 2055 |
|
|
}
|
| 2056 |
|
|
$out_dot = $baddr+2;
|
| 2057 |
|
|
return;
|
| 2058 |
|
|
}
|
| 2059 |
|
|
|
| 2060 |
|
|
#-------------------------------------------------------------------------------
|
| 2061 |
|
|
|
| 2062 |
|
|
sub emitb {
|
| 2063 |
|
|
my ($baddr,$rbl) = @_;
|
| 2064 |
|
|
if ($opts{temit}) {
|
| 2065 |
|
|
printf "-- emit: b %6.6o:", $baddr;
|
| 2066 |
|
|
foreach my $b (@$rbl) { printf " %3.3o", $b; }
|
| 2067 |
|
|
print "\n";
|
| 2068 |
|
|
}
|
| 2069 |
|
|
return unless scalar(@$rbl);
|
| 2070 |
|
|
|
| 2071 |
|
|
if ((! defined $out_dot) || $out_dot!=$baddr || $out_data[-1]->{typ} ne 'b') {
|
| 2072 |
|
|
push @out_data, {typ=> 'b', addr=>$baddr, data=>[@$rbl]};
|
| 2073 |
|
|
} else {
|
| 2074 |
|
|
my $rdata = $out_data[-1]->{data};
|
| 2075 |
|
|
push @$rdata, @$rbl;
|
| 2076 |
|
|
}
|
| 2077 |
|
|
$out_dot = $baddr+1;
|
| 2078 |
|
|
return;
|
| 2079 |
|
|
}
|
| 2080 |
|
|
|
| 2081 |
|
|
#-------------------------------------------------------------------------------
|
| 2082 |
|
|
|
| 2083 |
|
|
sub write_lda_frame {
|
| 2084 |
|
|
my ($fh,$addr,$rblist) = @_;
|
| 2085 |
|
|
my $len = 6 + scalar(@$rblist);
|
| 2086 |
|
|
my @f;
|
| 2087 |
|
|
push @f, 0x01;
|
| 2088 |
|
|
push @f, 0x00;
|
| 2089 |
|
|
push @f, $len & 0xff;
|
| 2090 |
|
|
push @f, ($len>>8) & 0xff;
|
| 2091 |
|
|
push @f, $addr & 0xff;
|
| 2092 |
|
|
push @f, ($addr>>8) & 0xff;
|
| 2093 |
|
|
push @f, @$rblist if $len;
|
| 2094 |
|
|
my $csum = 0;
|
| 2095 |
|
|
foreach (@f) { $csum = ($csum + $_) & 0xff; }
|
| 2096 |
|
|
push @f, (-$csum) & 0xff;
|
| 2097 |
|
|
|
| 2098 |
|
|
if ($opts{tout}) {
|
| 2099 |
|
|
my $nval = 0;
|
| 2100 |
|
|
printf "-- out: %6.6o:", $addr;
|
| 2101 |
|
|
foreach (@f) {
|
| 2102 |
|
|
if ($nval == 16) {
|
| 2103 |
|
|
printf "\n ";
|
| 2104 |
|
|
$nval = 0;
|
| 2105 |
|
|
}
|
| 2106 |
|
|
printf " %3.3o", $_;
|
| 2107 |
|
|
$nval += 1;
|
| 2108 |
|
|
}
|
| 2109 |
|
|
printf "\n";
|
| 2110 |
|
|
}
|
| 2111 |
|
|
|
| 2112 |
|
|
my $buf = pack("C*", @f);
|
| 2113 |
|
|
my $rc = syswrite($fh, $buf, length($buf));
|
| 2114 |
|
|
return;
|
| 2115 |
|
|
}
|
| 2116 |
|
|
|
| 2117 |
|
|
#-------------------------------------------------------------------------------
|
| 2118 |
|
|
|
| 2119 |
|
|
sub write_lda {
|
| 2120 |
|
|
my ($fname) = @_;
|
| 2121 |
|
|
my $fh;
|
| 2122 |
|
|
if ($fname eq "-") {
|
| 2123 |
|
|
$fh = *STDOUT;
|
| 2124 |
|
|
} else {
|
| 2125 |
|
|
$fh = new FileHandle;
|
| 2126 |
|
|
unless (open($fh, ">:raw", $fname)) {
|
| 2127 |
|
|
print STDERR "asm-11-F: '$fname' not writable, quiting..\n";
|
| 2128 |
|
|
exit 1;
|
| 2129 |
|
|
}
|
| 2130 |
|
|
}
|
| 2131 |
|
|
|
| 2132 |
|
|
my @blist;
|
| 2133 |
|
|
my $base;
|
| 2134 |
|
|
my $dot;
|
| 2135 |
|
|
foreach my $rl (@src) {
|
| 2136 |
|
|
die "BUGCHECK: both outb and outw contain data"
|
| 2137 |
|
|
if scalar(@{$$rl{outb}}) && scalar(@{$$rl{outw}});
|
| 2138 |
|
|
|
| 2139 |
|
|
my @byt = @{$$rl{outb}};
|
| 2140 |
|
|
foreach (@{$$rl{outw}}) {
|
| 2141 |
|
|
push @byt, $_ & 0xff;
|
| 2142 |
|
|
push @byt, ($_>>8) & 0xff;
|
| 2143 |
|
|
}
|
| 2144 |
|
|
|
| 2145 |
|
|
next unless scalar(@byt);
|
| 2146 |
|
|
|
| 2147 |
|
|
# flush frame if new data not adjacent to old
|
| 2148 |
|
|
if (scalar(@blist) && $dot!=$$rl{dot}) {
|
| 2149 |
|
|
write_lda_frame($fh, $base, \@blist);
|
| 2150 |
|
|
@blist = ();
|
| 2151 |
|
|
$base = undef;
|
| 2152 |
|
|
$dot = undef;
|
| 2153 |
|
|
}
|
| 2154 |
|
|
|
| 2155 |
|
|
$dot = $base = $$rl{dot} unless defined $base;
|
| 2156 |
|
|
|
| 2157 |
|
|
foreach (@byt) {
|
| 2158 |
|
|
if (scalar(@blist) >= 2*168) {
|
| 2159 |
|
|
write_lda_frame($fh, $base, \@blist);
|
| 2160 |
|
|
@blist = ();
|
| 2161 |
|
|
$base = $dot;
|
| 2162 |
|
|
}
|
| 2163 |
|
|
push @blist, $_ & 0xff;
|
| 2164 |
|
|
$dot += 1;
|
| 2165 |
|
|
}
|
| 2166 |
|
|
|
| 2167 |
|
|
}
|
| 2168 |
|
|
|
| 2169 |
|
|
# flush buffer
|
| 2170 |
|
|
write_lda_frame($fh, $base, \@blist) if scalar(@blist);
|
| 2171 |
|
|
@blist = ();
|
| 2172 |
|
|
|
| 2173 |
|
|
# write terminating frame
|
| 2174 |
|
|
write_lda_frame($fh, $out_start, \@blist);
|
| 2175 |
|
|
|
| 2176 |
|
|
return;
|
| 2177 |
|
|
}
|
| 2178 |
|
|
|
| 2179 |
|
|
#-------------------------------------------------------------------------------
|
| 2180 |
|
|
|
| 2181 |
|
|
sub write_cof_frame {
|
| 2182 |
|
|
my ($fh,$typ,$addr,$rlist) = @_;
|
| 2183 |
|
|
my $fmt = ($typ eq 'w') ? '%6.6o' : '%3.3o';
|
| 2184 |
|
|
my $max = ($typ eq 'w') ? 10 : 20 ;
|
| 2185 |
|
|
|
| 2186 |
|
|
printf $fh "$typ %6.6o {\n", $addr;
|
| 2187 |
|
|
my $i = 0;
|
| 2188 |
|
|
foreach (@$rlist) {
|
| 2189 |
|
|
$i += 1;
|
| 2190 |
|
|
printf $fh "$fmt ", $_;
|
| 2191 |
|
|
print $fh "\n" if $i%$max == 0;
|
| 2192 |
|
|
}
|
| 2193 |
|
|
print $fh "\n" unless $i%$max == 0;
|
| 2194 |
|
|
print $fh "}\n";
|
| 2195 |
|
|
return;
|
| 2196 |
|
|
}
|
| 2197 |
|
|
|
| 2198 |
|
|
#-------------------------------------------------------------------------------
|
| 2199 |
|
|
|
| 2200 |
|
|
sub write_cof {
|
| 2201 |
|
|
my ($fname) = @_;
|
| 2202 |
|
|
my $fh;
|
| 2203 |
|
|
if ($fname eq "-") {
|
| 2204 |
|
|
$fh = *STDOUT;
|
| 2205 |
|
|
} else {
|
| 2206 |
|
|
$fh = new FileHandle;
|
| 2207 |
|
|
unless (open($fh, ">:raw", $fname)) {
|
| 2208 |
|
|
print STDERR "asm-11-F: '$fname' not writable, quiting..\n";
|
| 2209 |
|
|
exit 1;
|
| 2210 |
|
|
}
|
| 2211 |
|
|
}
|
| 2212 |
|
|
|
| 2213 |
|
|
print $fh "sym {\n";
|
| 2214 |
|
|
foreach my $key (sort keys %lst) {
|
| 2215 |
|
|
next unless $lst{$key}{typ} =~ m/^(lbl|llbl)$/;
|
| 2216 |
|
|
printf $fh "%s => %s\n", $lst{$key}{name}, save66o($lst{$key}{val});
|
| 2217 |
|
|
}
|
| 2218 |
|
|
print $fh "}\n";
|
| 2219 |
|
|
print $fh "dat {\n";
|
| 2220 |
|
|
|
| 2221 |
|
|
my @list;
|
| 2222 |
|
|
my $typ;
|
| 2223 |
|
|
my $base;
|
| 2224 |
|
|
my $dot;
|
| 2225 |
|
|
|
| 2226 |
|
|
foreach my $rl (@src) {
|
| 2227 |
|
|
|
| 2228 |
|
|
if (scalar(@{$$rl{outb}})) {
|
| 2229 |
|
|
if (scalar(@list) && ($typ ne 'b' || $dot != $$rl{dot})) {
|
| 2230 |
|
|
write_cof_frame($fh, $typ, $base, \@list);
|
| 2231 |
|
|
@list = ();
|
| 2232 |
|
|
}
|
| 2233 |
|
|
unless (scalar(@list)) {
|
| 2234 |
|
|
$typ = 'b';
|
| 2235 |
|
|
$base = $dot = $$rl{dot};
|
| 2236 |
|
|
}
|
| 2237 |
|
|
push @list, @{$$rl{outb}};
|
| 2238 |
|
|
$dot += scalar(@{$$rl{outb}});
|
| 2239 |
|
|
}
|
| 2240 |
|
|
|
| 2241 |
|
|
if (scalar(@{$$rl{outw}})) {
|
| 2242 |
|
|
if (scalar(@list) && ($typ ne 'w' || $dot != $$rl{dot})) {
|
| 2243 |
|
|
write_cof_frame($fh, $typ, $base, \@list);
|
| 2244 |
|
|
@list = ();
|
| 2245 |
|
|
}
|
| 2246 |
|
|
unless (scalar(@list)) {
|
| 2247 |
|
|
$typ = 'w';
|
| 2248 |
|
|
$base = $dot = $$rl{dot};
|
| 2249 |
|
|
}
|
| 2250 |
|
|
push @list, @{$$rl{outw}};
|
| 2251 |
|
|
$dot += 2 * scalar(@{$$rl{outw}});
|
| 2252 |
|
|
}
|
| 2253 |
|
|
}
|
| 2254 |
|
|
|
| 2255 |
|
|
write_cof_frame($fh, $typ, $base, \@list)
|
| 2256 |
|
|
if scalar(@list);
|
| 2257 |
|
|
|
| 2258 |
|
|
print $fh "}\n";
|
| 2259 |
|
|
|
| 2260 |
|
|
return;
|
| 2261 |
|
|
}
|
| 2262 |
|
|
|
| 2263 |
|
|
#-------------------------------------------------------------------------------
|
| 2264 |
|
|
|
| 2265 |
|
|
sub write_lsm {
|
| 2266 |
|
|
my ($fname) = @_;
|
| 2267 |
|
|
my $fh;
|
| 2268 |
|
|
if ($fname eq "-") {
|
| 2269 |
|
|
$fh = *STDOUT;
|
| 2270 |
|
|
} else {
|
| 2271 |
|
|
$fh = new FileHandle;
|
| 2272 |
|
|
unless (open($fh, ">:raw", $fname)) {
|
| 2273 |
|
|
print STDERR "asm-11-F: '$fname' not writable, quiting..\n";
|
| 2274 |
|
|
exit 1;
|
| 2275 |
|
|
}
|
| 2276 |
|
|
}
|
| 2277 |
|
|
|
| 2278 |
|
|
my %mem;
|
| 2279 |
|
|
|
| 2280 |
|
|
foreach my $rl (@src) {
|
| 2281 |
|
|
|
| 2282 |
|
|
my $dot = $$rl{dot};
|
| 2283 |
|
|
if (scalar(@{$$rl{outb}})) {
|
| 2284 |
|
|
foreach my $byte (@{$$rl{outb}}) {
|
| 2285 |
|
|
my $addr = sprintf "%6.6o", $dot & 0xfffe;
|
| 2286 |
|
|
$mem{$addr} = 0 unless exists $mem{$addr};
|
| 2287 |
|
|
if ($dot & 0x1) { # odd byte
|
| 2288 |
|
|
$mem{$addr} = (($byte&0xff)<<8) | ($mem{$addr} & 0xff);
|
| 2289 |
|
|
} else { # even byte
|
| 2290 |
|
|
$mem{$addr} = ($mem{$addr} & 0xff00) | ($byte&0xff);
|
| 2291 |
|
|
}
|
| 2292 |
|
|
$dot += 1;
|
| 2293 |
|
|
}
|
| 2294 |
|
|
}
|
| 2295 |
|
|
|
| 2296 |
|
|
if (scalar(@{$$rl{outw}})) {
|
| 2297 |
|
|
foreach my $word (@{$$rl{outw}}) {
|
| 2298 |
|
|
my $addr = sprintf "%6.6o", $dot;
|
| 2299 |
|
|
$mem{$addr} = $word;
|
| 2300 |
|
|
$dot += 2;
|
| 2301 |
|
|
}
|
| 2302 |
|
|
}
|
| 2303 |
|
|
}
|
| 2304 |
|
|
|
| 2305 |
|
|
foreach my $addr (sort keys %mem) {
|
| 2306 |
|
|
printf $fh "%s : %6.6o\n", $addr, $mem{$addr};
|
| 2307 |
|
|
}
|
| 2308 |
|
|
|
| 2309 |
|
|
return;
|
| 2310 |
|
|
}
|
| 2311 |
|
|
|
| 2312 |
|
|
#-------------------------------------------------------------------------------
|
| 2313 |
|
|
|
| 2314 |
|
|
sub dump_rl {
|
| 2315 |
|
|
my ($rl) = @_;
|
| 2316 |
|
|
|
| 2317 |
|
|
printf "-- line: '%s'\n", $$rl{line};
|
| 2318 |
|
|
printf " err=%-3s, typ=%-4s, oper=%-6s, lineno=%3d, psect=%-6s, .=%6.6o\n",
|
| 2319 |
|
|
prt_err($rl), savestr($$rl{typ}), savestr($$rl{oper}), $$rl{lineno},
|
| 2320 |
|
|
$$rl{psect}, $$rl{dot};
|
| 2321 |
|
|
my $i = 0;
|
| 2322 |
|
|
foreach my $rt (@{$$rl{tl}}) {
|
| 2323 |
|
|
printf " tl[%2d]: tag=%-4s, om=%-2s, em=%-2s, val='%s'",
|
| 2324 |
|
|
$i, $$rt{tag}, savestr1($$rt{om}), savestr1($$rt{em}),
|
| 2325 |
|
|
savestr($$rt{val});
|
| 2326 |
|
|
printf ", nval=%6.6o",$$rt{nval} if defined $$rt{nval};
|
| 2327 |
|
|
printf ", pend=%d",$$rt{pend} if defined $$rt{pend};
|
| 2328 |
|
|
printf "\n";
|
| 2329 |
|
|
$i += 1;
|
| 2330 |
|
|
}
|
| 2331 |
|
|
if (defined $$rl{delist}) {
|
| 2332 |
|
|
$i = 0;
|
| 2333 |
|
|
my $rdl = $$rl{delist};
|
| 2334 |
|
|
foreach my $rd (@$rdl) {
|
| 2335 |
|
|
printf " dl[%2d]:", $i;
|
| 2336 |
|
|
printf " str='%s'",$$rd{str} if defined $$rd{str};
|
| 2337 |
|
|
printf " ibeg=%s, iend=%s", savestr($$rd{ibeg}), savestr($$rd{iend})
|
| 2338 |
|
|
if exists $$rd{ibeg};
|
| 2339 |
|
|
printf "\n";
|
| 2340 |
|
|
$i += 1;
|
| 2341 |
|
|
}
|
| 2342 |
|
|
}
|
| 2343 |
|
|
if (defined $$rl{opcode}) {
|
| 2344 |
|
|
printf " code: %6.6o,fmt=%-2s", $$rl{opcode}, $$rl{opfmt};
|
| 2345 |
|
|
if (defined $$rl{o1mod}) {
|
| 2346 |
|
|
printf ", o1=%s%s", $$rl{o1mod},$$rl{o1reg};
|
| 2347 |
|
|
printf ",ei=%d:%d,val=%s", $$rl{o1ebeg}, $$rl{o1eend},
|
| 2348 |
|
|
save66o(eval_exp($rl, $$rl{o1ebeg}, $$rl{o1eend}))
|
| 2349 |
|
|
if defined $$rl{o1ebeg};
|
| 2350 |
|
|
}
|
| 2351 |
|
|
if (defined $$rl{o2mod}) {
|
| 2352 |
|
|
printf ", o2=%s%s", $$rl{o2mod},$$rl{o2reg};
|
| 2353 |
|
|
printf ",ei=%d:%d,val=%s", $$rl{o2ebeg}, $$rl{o2eend},
|
| 2354 |
|
|
save66o(eval_exp($rl, $$rl{o2ebeg}, $$rl{o2eend}))
|
| 2355 |
|
|
if defined $$rl{o2ebeg};
|
| 2356 |
|
|
}
|
| 2357 |
|
|
printf " ex=%d:%d,val=%s", $$rl{ebeg}, $$rl{eend},
|
| 2358 |
|
|
save66o(eval_exp($rl, $$rl{ebeg}, $$rl{eend}))
|
| 2359 |
|
|
if defined $$rl{ebeg};
|
| 2360 |
|
|
print "\n";
|
| 2361 |
|
|
}
|
| 2362 |
|
|
if (scalar(@{$$rl{outw}})) {
|
| 2363 |
|
|
print " outw:";
|
| 2364 |
|
|
foreach (@{$$rl{outw}}) { printf " %6.6o", $_; }
|
| 2365 |
|
|
print "\n";
|
| 2366 |
|
|
}
|
| 2367 |
|
|
if (scalar(@{$$rl{outb}})) {
|
| 2368 |
|
|
print " outb:";
|
| 2369 |
|
|
foreach (@{$$rl{outb}}) { printf " %3.3o", $_; }
|
| 2370 |
|
|
print "\n";
|
| 2371 |
|
|
}
|
| 2372 |
|
|
foreach my $key (sort keys %{$rl}) {
|
| 2373 |
|
|
next if $key =~ m/^(line|err|typ|oper|lineno|psect|dot|opcode|opfmt|o[12](mod|reg|ebeg|eend)|ebeg|eend|tl|delist|outw|outb)$/;
|
| 2374 |
|
|
printf " %-6s: %s\n", $key, savestr($$rl{$key});
|
| 2375 |
|
|
}
|
| 2376 |
|
|
return;
|
| 2377 |
|
|
}
|
| 2378 |
|
|
|
| 2379 |
|
|
#-------------------------------------------------------------------------------
|
| 2380 |
|
|
|
| 2381 |
|
|
sub dump_sym {
|
| 2382 |
|
|
print "\n";
|
| 2383 |
|
|
print " psect dot dotmax\n";
|
| 2384 |
|
|
print "------ ------ ------\n";
|
| 2385 |
|
|
foreach my $ps (sort keys %psect) {
|
| 2386 |
|
|
printf "%-6s %6.6o %6.6o\n", $ps, $psect{$ps}{dot}, $psect{$ps}{dotmax};
|
| 2387 |
|
|
}
|
| 2388 |
|
|
|
| 2389 |
|
|
print "\n";
|
| 2390 |
|
|
print "scope symbol typ psect val\n";
|
| 2391 |
|
|
print "------ ------ ---- ------ ------\n";
|
| 2392 |
|
|
foreach my $key (sort keys %lst) {
|
| 2393 |
|
|
my $sym = $lst{$key}{name};
|
| 2394 |
|
|
my $scope = '';
|
| 2395 |
|
|
my $name = $sym;
|
| 2396 |
|
|
if ($sym =~ m/^(.+):(.+)$/) {
|
| 2397 |
|
|
$scope = $1;
|
| 2398 |
|
|
$name = $2;
|
| 2399 |
|
|
}
|
| 2400 |
|
|
printf "%-6s %-6s %-4s %-6s %s\n", $scope, $name, $lst{$key}{typ},
|
| 2401 |
|
|
$lst{$key}{psect}, save66o($lst{$key}{val});
|
| 2402 |
|
|
}
|
| 2403 |
|
|
|
| 2404 |
|
|
return;
|
| 2405 |
|
|
}
|
| 2406 |
|
|
|
| 2407 |
|
|
#-------------------------------------------------------------------------------
|
| 2408 |
|
|
|
| 2409 |
|
|
sub prt76o {
|
| 2410 |
|
|
my ($val) = @_;
|
| 2411 |
|
|
return ' ' unless defined $val;
|
| 2412 |
|
|
return sprintf " %6.6o", $val;
|
| 2413 |
|
|
}
|
| 2414 |
|
|
|
| 2415 |
|
|
#-------------------------------------------------------------------------------
|
| 2416 |
|
|
|
| 2417 |
|
|
sub prt43o {
|
| 2418 |
|
|
my ($val) = @_;
|
| 2419 |
|
|
return ' ' unless defined $val;
|
| 2420 |
|
|
return sprintf " %3.3o", $val;
|
| 2421 |
|
|
}
|
| 2422 |
|
|
|
| 2423 |
|
|
#-------------------------------------------------------------------------------
|
| 2424 |
|
|
|
| 2425 |
|
|
sub save66o {
|
| 2426 |
|
|
my ($val) = @_;
|
| 2427 |
|
|
return '' unless defined $val;
|
| 2428 |
|
|
return sprintf "%6.6o", $val;
|
| 2429 |
|
|
}
|
| 2430 |
|
|
|
| 2431 |
|
|
#-------------------------------------------------------------------------------
|
| 2432 |
|
|
|
| 2433 |
|
|
sub savestr {
|
| 2434 |
|
|
my ($str) = @_;
|
| 2435 |
|
|
return '' unless defined $str;
|
| 2436 |
|
|
return $str;
|
| 2437 |
|
|
}
|
| 2438 |
|
|
|
| 2439 |
|
|
#-------------------------------------------------------------------------------
|
| 2440 |
|
|
|
| 2441 |
|
|
sub savestr1 {
|
| 2442 |
|
|
my ($str) = @_;
|
| 2443 |
|
|
return '-' unless defined $str;
|
| 2444 |
|
|
return $str;
|
| 2445 |
|
|
}
|
| 2446 |
|
|
|
| 2447 |
|
|
#-------------------------------------------------------------------------------
|
| 2448 |
|
|
|
| 2449 |
|
|
sub print_help {
|
| 2450 |
22 |
wfjm |
print "usage: asm-11 [OPTIONS]... [FILE]...\n";
|
| 2451 |
|
|
print " --I=path adds path to the .include search path\n";
|
| 2452 |
19 |
wfjm |
print " --lst create listing (default file name)\n";
|
| 2453 |
|
|
print " --olst=fnam create listing (concrete file name)\n";
|
| 2454 |
|
|
print " --lda create absolute loader output (default file name)\n";
|
| 2455 |
|
|
print " --olda create absolute loader output (concrete file name)\n";
|
| 2456 |
|
|
print " --cof create compound output (default file name)\n";
|
| 2457 |
|
|
print " --ocof=fnam create compound output (concrete file name)\n";
|
| 2458 |
|
|
print " --tpass1 trace line context in pass 1\n";
|
| 2459 |
|
|
print " --tpass2 trace line context in pass 2\n";
|
| 2460 |
|
|
print " --dsym1 dump psect and ust tables after pass 1\n";
|
| 2461 |
|
|
print " --dsym2 dump psect and ust tables after pass 2\n";
|
| 2462 |
|
|
print " --ttoken trace tokenizer\n";
|
| 2463 |
|
|
print " --tparse trace parser\n";
|
| 2464 |
|
|
print " --temit trace code emit\n";
|
| 2465 |
|
|
print " --tout trace output file write\n";
|
| 2466 |
|
|
print " --help print this text and exit\n";
|
| 2467 |
|
|
return;
|
| 2468 |
|
|
}
|
