author | lorewang |
Wed, 17 Nov 2010 11:21:28 +0800 | |
changeset 684 | 2defe8c85348 |
parent 626 | ac03b93ca9c4 |
permissions | -rw-r--r-- |
599 | 1 |
# Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies). |
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# All rights reserved. |
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# This component and the accompanying materials are made available |
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# under the terms of "Eclipse Public License v1.0" |
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# which accompanies this distribution, and is available |
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# at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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# |
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# Initial Contributors: |
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# Nokia Corporation - initial contribution. |
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# |
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# Contributors: |
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# |
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# Description: |
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# e32toolp\e32util\armasm2as.pl |
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# Convert an ARMASM assembler source or include file to AS format |
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# Syntax: |
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# perl armasm2as.pl <input> <output> |
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# |
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# |
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||
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if (scalar(@ARGV)!=2) { |
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die "perl armasm2as.pl <input> <output>\n"; |
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} |
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my ($infile, $outfile) = @ARGV; |
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open IN, $infile or die "Can't open $infile for input\n"; |
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my $gccfile; |
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my @input; |
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while (<IN>) { |
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push @input, $_; |
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next if defined($gccfile); |
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next if (/^\s*$/); |
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if (/^\s*\@/) { |
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$gccfile = 1; # If first non-blank line starts with @, assume already in GCC format |
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} else { |
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$gccfile = 0; |
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} |
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} |
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close IN; |
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my @output; |
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my $outref = \@output; |
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if ($gccfile) { |
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$outref = \@input; |
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} else { |
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process(\@input, \@output); |
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} |
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open OUT, ">$outfile" or die "Can't open $outfile for write\n"; |
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print OUT @$outref; |
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close OUT; |
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||
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||
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||
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sub process($$) { |
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my $level=0; |
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my @block; |
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my ($inref, $outref) = @_; |
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foreach $line (@$inref) { |
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$line=~s/\s*$//; |
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my $comment; |
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if ($line =~ /\;(.*)$/o) { |
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$comment = $1; |
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$line =~ s/\;(.*)$//o; |
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if ($line =~ /^\s*$/o and $level==0) { |
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push @$outref, "$line\@$comment\n"; |
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next; |
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} |
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$comment = "\t\@$comment"; |
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} |
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if ($line =~ /^\s+PRESERVE8/) { |
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next; |
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} |
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if ($level == 1) { |
|
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if ($line =~ /^\s+MEND/i) { |
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process_macro(\@block, $outref); |
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$level = 0; |
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} else { |
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push @block, $line; |
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} |
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next; |
|
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} elsif ($level == 0) { |
|
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if ($line =~ /^\s+MACRO\s*$/i) { |
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@block = (); |
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$level = 1; |
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next; |
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} |
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} |
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if ($line =~ /^\s+GBLL\s+(\S+)/i) { |
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push @$outref, "\t.set\t$1, 0$comment\n"; |
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next; |
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} |
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if ($line =~ /^\s+GBLA\s+(\S+)/i) { |
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push @$outref, "\t.set\t$1, 0$comment\n"; |
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next; |
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} |
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if ($line =~ /^\s+INCLUDE\s+(\S+)/i) { |
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my $arg = $1; |
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if ($arg =~ /(\w+)\.inc/io) { |
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$arg = $1.'.ginc'; |
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} |
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push @$outref, "\t.include\t\"$arg\"$comment\n"; |
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next; |
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} |
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if ($line =~ /^\s+IMPORT\s+(\S+)/i) { |
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push @$outref, "\t.extern\t$1$comment\n"; |
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next; |
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} |
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if ($line =~ /^\s+EXPORT\s+(\S+)/i) { |
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push @$outref, "\t.global\t$1$comment\n"; |
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next; |
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} |
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if ($line =~ /^\s+ELSE/i or $line =~ /^\s+\|/i ) { |
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push @$outref, "\t.else$comment\n"; |
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next; |
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} |
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if ($line =~ /^\s+ENDIF/i or $line =~ /^\s+\]/i) { |
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push @$outref, "\t.endif$comment\n"; |
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next; |
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} |
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if ($line =~ /^\s+LTORG/i) { |
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push @$outref, "\t.ltorg$comment\n"; |
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next; |
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} |
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if ($line =~ /^\s+END$/i) { |
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next; |
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} |
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if ($line =~ /^\s+\!\s*(\d+)\,\s*(.*?)$/) { |
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my $msg = $2; |
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push @$outref, "\t.print $msg\n\t.err$comment\n"; |
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next; |
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} |
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if ($line =~ /^\s+INIT_LOGICAL_SYMBOL\s+(\w+)(.*?)$/) { |
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process_init_logical_symbol($1, $2, $outref, $comment); |
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next; |
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} |
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if ($line =~ /^\s+INIT_NUMERIC_SYMBOL\s+(\w+)\s*\,\s*(.*?)$/) { |
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process_init_numeric_symbol($1, $2, $outref, $comment); |
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next; |
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} |
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if ($line =~ /^\s+AREA\s+(.*?)$/) { |
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process_area($1, $outref, $comment); |
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next; |
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} |
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if ($line =~ /^\s+\%\s+(.*?)$/) { |
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my $expr = process_numeric_expr($1, $outref); |
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push @$outref, "\t.space $expr$comment\n"; |
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next; |
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} |
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if ($line =~ /^\s+ALIGN\s*(.*?)$/) { |
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process_align($1, $outref, $comment); |
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next; |
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} |
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# Strip label if there is one |
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my $label; |
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if ($line =~ /^(\S+)\s*(.*?)$/) { |
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$label = $1; |
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$line = $2; |
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} else { |
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$line =~ s/^\s*//; |
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} |
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if ($line =~ /^SETL\s+(\S+)/i) { |
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my $val = $1; |
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my $expr = process_logical_expr($val, $outref); |
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push @$outref, "\t.set\t$label,$expr$comment\n"; |
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next; |
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} |
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if ($line =~ /^SETA\s+(.*?)$/i) { |
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my $val = $1; |
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my $expr = process_numeric_expr($val, $outref); |
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push @$outref, "\t.set\t$label,$expr$comment\n"; |
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next; |
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} |
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if ($line =~ /^(EQU|\*)\s+(.*?)$/i) { |
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my $val = $2; |
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my $expr = process_numeric_expr($val, $outref); |
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push @$outref, "\t.equ\t$label,$expr$comment\n"; |
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next; |
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} |
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if ($line =~ /^(if|\[)\s+(.*?)$/i) { |
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my $cond = $2; |
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if ($cond =~ /^\s*(\:LNOT\:)?\s*\:DEF\:\s*(.*?)$/i) { |
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my $n = $1; |
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my $sym = $2; |
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if ($sym =~ /^(\w|\\|\:)+$/) { |
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if (uc($n) eq ':LNOT:') { |
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push @$outref, "\t.ifndef\t$sym$comment\n"; |
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} else { |
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push @$outref, "\t.ifdef\t$sym$comment\n"; |
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} |
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next; |
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} |
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} |
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my $expr = process_logical_expr($cond, $outref); |
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push @$outref, "\t.if $expr$comment\n"; |
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next; |
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} |
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if ($line =~ /^(\=|DCB)\s*(.*?)$/) { |
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process_dcb($label, $2, $outref, $comment); |
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next; |
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} |
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if ($line =~ /^DCW\s*(.*?)$/) { |
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process_dcw($label, $1, $outref, $comment); |
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next; |
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} |
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if ($line =~ /^DCD\s*(.*?)$/) { |
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process_dcd($label, $1, $outref, $comment); |
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next; |
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} |
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if ($line =~ /^ROUT\s*$/) { |
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$line = ''; |
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} |
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if ($line =~ /^(\w+)\s+\%(\w+)\s*$/o) { |
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# ARMASM local label reference |
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my $inst = $1; |
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my $llab = $2; |
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if ($llab =~ /F\w?(\d+)/o) { |
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$line = "$inst $1f"; |
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} elsif ($llab =~ /B\w?(\d+)/o) { |
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$line = "$inst $1b"; |
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} else { |
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die "Can't determine local label direction\n"; |
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} |
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} |
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if ($line =~ /^(\w+)\s+(\w+)\s*\,\s*\%(\w+)\s*$/o) { |
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# ARMASM local label reference |
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my $inst = $1; |
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my $op1 = $2; |
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my $llab = $3; |
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if ($llab =~ /F\w?(\d+)/o) { |
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$line = "$inst $op1\, $1f"; |
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} elsif ($llab =~ /B\w?(\d+)/o) { |
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$line = "$inst $op1\, $1b"; |
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} else { |
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die "Can't determine local label direction\n"; |
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} |
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} |
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$line = process_numeric_expr($line, $outref); |
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if (defined($label)) { |
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push @$outref, "$label\:\t$line$comment\n"; |
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} else { |
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push @$outref, "\t$line$comment\n"; |
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} |
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} |
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} |
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||
246 |
||
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sub process_macro($$) { |
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my ($inref, $outref) = @_; |
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my $line; |
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while(1) { |
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$line = shift @$inref; |
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last if ($line !~ /^\s*$/); |
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} |
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unless ($line =~ /^\s+(\w+)\s*(.*?)$/) { |
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die "Bad macro - no name\n"; |
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} |
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my $macro_name = $1; |
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if ($macro_name eq 'INIT_LOGICAL_SYMBOL' or $macro_name eq 'INIT_NUMERIC_SYMBOL') { |
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return; |
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} |
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$line = $2; |
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my @args = split ( '\s*,\s*', $line ); |
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foreach (@args) { |
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die "Bad macro argument name\n" unless (/^\$\w+$/); |
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s/^\$//; |
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} |
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my $ev = ''; |
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foreach $arg (@args) { |
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$ev.="s/\\\$$arg(\\W\|\$)/\\\\$arg\$1/go;"; |
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} |
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foreach (@$inref) { |
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eval $ev; |
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} |
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push @$outref, "\t.macro $macro_name ".join(',',@args)."\n"; |
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process($inref, $outref); |
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push @$outref, "\t.endm\n"; |
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} |
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278 |
||
279 |
||
280 |
sub process_logical_expr($$) { |
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my ($val, $outref) = @_; |
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$val = process_numeric_expr($val, $outref); |
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$val =~ s/\<\=/________LE________/g; # protect <= and >= during expansion of = |
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$val =~ s/\>\=/________GE________/g; |
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$val =~ s/\=/\=\=/g; # equality operator is = on ARMASM, == on AS |
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$val =~ s/________LE________/\<\=/g; |
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$val =~ s/________GE________/\>\=/g; |
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$val =~ s/\{TRUE\}/(1)/g; |
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$val =~ s/\{FALSE\}/(0)/g; |
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290 |
||
626
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
291 |
my @lops = split( /(\s*\:LAND\:\s*|\s*\:LOR\:\s*|\s*\:LNOT\:\s*|\s*\:DEF\:\s*|\s*\(\s*|\s*\)\s*)/, $val ); |
599 | 292 |
foreach (@lops) { |
293 |
s/\s*\:LAND\:\s*/\:LAND\:/go; |
|
294 |
s/\s*\:LOR\:\s*/\:LOR\:/go; |
|
295 |
s/\s*\:LNOT\:\s*/\:LNOT\:/go; |
|
296 |
s/\s*\:DEF\:\s*/\:DEF\:/go; |
|
626
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
297 |
s/\s*\(\s*/\(/go; |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
298 |
s/\s*\)\s*/\)/go; |
599 | 299 |
} |
300 |
my @lops2; |
|
301 |
while (scalar (@lops)) { |
|
302 |
my $x = shift @lops; |
|
303 |
if ($x eq ':DEF:') { |
|
304 |
my $sym = shift @lops; |
|
305 |
$sym =~ s/^\s*//; |
|
306 |
$sym =~ s/\s*$//; |
|
307 |
if ($sym =~ /^(\w|\$|\\)+$/) { |
|
308 |
push @$outref, "\t.ifdef $sym\n\t.set __defined__$sym, 1\n\t.else\n\t.set __defined__$sym, 0\n\t.endif\n"; |
|
309 |
push @lops2, " __defined__$sym "; |
|
310 |
} else { |
|
311 |
die "Bad :DEF: operand\n"; |
|
312 |
} |
|
313 |
} elsif ($x eq ':LAND:') { |
|
314 |
push @lops2, ' && '; |
|
315 |
} elsif ($x eq ':LOR:') { |
|
316 |
push @lops2, ' || '; |
|
317 |
} else { |
|
318 |
push @lops2, $x; |
|
319 |
} |
|
320 |
} |
|
321 |
my @lops3; |
|
322 |
while (scalar (@lops2)) { |
|
323 |
my $x = shift @lops2; |
|
324 |
if ($x eq ':LNOT:') { |
|
626
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
325 |
my $operand= shift @lops2; |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
326 |
while( @lops2 && $operand =~ /^\s*$/) { |
599 | 327 |
$operand = shift @lops2; |
328 |
} |
|
626
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
329 |
if($operand eq '(') { |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
330 |
my $balance = 1; |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
331 |
my $compound = $operand; |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
332 |
while($balance > 0 && @lops2) { |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
333 |
$operand = shift @lops2; |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
334 |
if($operand eq '(') { |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
335 |
++$balance; |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
336 |
} |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
337 |
elsif ($operand eq ')') { |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
338 |
--$balance; |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
339 |
} |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
340 |
$compound .= $operand; |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
341 |
} |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
342 |
push @lops3, "(0==$compound)"; |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
343 |
} |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
344 |
else { |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
345 |
push @lops3, "(0==($operand))"; |
ac03b93ca9c4
ROM Tools 12.3.4 + RCOMP 8.4.2
Zheng Shen <zheng.shen@nokia.com>
parents:
599
diff
changeset
|
346 |
} |
599 | 347 |
} else { |
348 |
push @lops3, $x; |
|
349 |
} |
|
350 |
} |
|
351 |
return join('',@lops3); |
|
352 |
} |
|
353 |
||
354 |
sub process_numeric_expr($$) { |
|
355 |
my ($val, $outref) = @_; |
|
356 |
$val =~ s/\&/0x/g; # ARMASM accepts hex numbers starting with & or 0x, AS only accepts 0x |
|
357 |
$val =~ s/(\W|^)2_([0|1]+)(\W|$)/$1 0b$2$3/g; # Binary numbers start with 2_ on ARMASM, 0b on AS |
|
358 |
$val =~ s/\:AND\:/\&/g; |
|
359 |
$val =~ s/\:OR\:/\|/g; |
|
360 |
$val =~ s/\:SHL\:/\<\</g; |
|
361 |
$val =~ s/\:SHR\:/\>\>/g; |
|
362 |
return $val; |
|
363 |
} |
|
364 |
||
365 |
sub process_init_logical_symbol($$$$) { |
|
366 |
my ($name, $rest, $outref, $comment) = @_; |
|
367 |
my $counter; |
|
368 |
if ($rest =~ /^\s*\,\s*(\w+)\s*$/) { |
|
369 |
$counter = $1; |
|
370 |
} elsif ($rest !~ /^\s*$/) { |
|
371 |
die "Bad INIT_LOGICAL_SYMBOL\n"; |
|
372 |
} |
|
373 |
push @$outref, "\t.ifndef $name$comment\n\t.set $name, 0\n\t.else\n\t.set $name, 1\n"; |
|
374 |
if ($counter) { |
|
375 |
push @$outref, "\t.set $counter, $counter \+ 1\n"; |
|
376 |
} |
|
377 |
push @$outref, "\t.endif\n"; |
|
378 |
} |
|
379 |
||
380 |
sub process_init_numeric_symbol($$$$) { |
|
381 |
my ($name, $value, $outref, $comment) = @_; |
|
382 |
my $expr = process_numeric_expr($value, $outref); |
|
383 |
push @$outref, "\t.ifndef $name$comment\n\t.set $name, $expr\n\t.endif\n"; |
|
384 |
} |
|
385 |
||
386 |
sub process_area($$$) { |
|
387 |
my ($line, $outref, $comment) = @_; |
|
388 |
my @args = split(',',$line); |
|
389 |
my $align = 0; |
|
390 |
foreach (@args) { |
|
391 |
if (/^\s*ALIGN\s*\=\s*(\d+)\s*$/) { |
|
392 |
$align = $1; |
|
393 |
} |
|
394 |
} |
|
395 |
push @$outref, "\t.text$comment\n\t.p2align $align\n"; |
|
396 |
} |
|
397 |
||
398 |
sub process_align($$$) { |
|
399 |
my ($line, $outref, $comment) = @_; |
|
400 |
if ($line =~ /^\s*$/o) { |
|
401 |
push @$outref, "\t.align$comment\n"; |
|
402 |
} else { |
|
403 |
push @$outref, "\t.balign $line$comment\n"; |
|
404 |
} |
|
405 |
} |
|
406 |
||
407 |
sub process_dcb($$$$) { |
|
408 |
my ($label, $args, $outref, $comment) = @_; |
|
409 |
if (defined($label)) { |
|
410 |
push @$outref, "$label\:"; |
|
411 |
} |
|
412 |
while ($args !~ /^\s*$/) { |
|
413 |
my $arg; |
|
414 |
$args =~ s/^\s*//; |
|
415 |
if ($args =~ /^\"/) { |
|
416 |
$args =~ s/\\\"/________ESCAPED_QUOTE________/go; |
|
417 |
$args =~ /\"(.*?)\"\s*(.*?)$/o or die "Unterminated string literal\n"; |
|
418 |
$arg = $1; |
|
419 |
$args = $2; |
|
420 |
$arg =~ s/________ESCAPED_QUOTE________/\\\"/go; |
|
421 |
push @$outref, "\t.ascii \"$arg\"$comment\n"; |
|
422 |
undef $comment; |
|
423 |
last if ($args !~ /\s*\,(.*?)$/o); |
|
424 |
$args = $1; |
|
425 |
} else { |
|
426 |
$args =~ /(.*?)\s*(\,|$)(.*?)$/o; |
|
427 |
$arg = $1; |
|
428 |
$args = $3; |
|
429 |
my $expr = process_numeric_expr($arg, $outref); |
|
430 |
push @$outref, "\t.byte $expr$comment\n"; |
|
431 |
undef $comment; |
|
432 |
} |
|
433 |
} |
|
434 |
} |
|
435 |
||
436 |
sub process_dcw($$$$) { |
|
437 |
my ($label, $args, $outref, $comment) = @_; |
|
438 |
if (defined($label)) { |
|
439 |
push @$outref, "$label\:"; |
|
440 |
} |
|
441 |
while ($args !~ /^\s*$/) { |
|
442 |
my $arg; |
|
443 |
$args =~ s/^\s*//; |
|
444 |
$args =~ /(.*?)\s*(\,|$)(.*?)$/o; |
|
445 |
$arg = $1; |
|
446 |
$args = $3; |
|
447 |
my $expr = process_numeric_expr($arg, $outref); |
|
448 |
push @$outref, "\t.hword $expr$comment\n"; |
|
449 |
undef $comment; |
|
450 |
} |
|
451 |
} |
|
452 |
||
453 |
sub process_dcd($$$$) { |
|
454 |
my ($label, $args, $outref, $comment) = @_; |
|
455 |
if (defined($label)) { |
|
456 |
push @$outref, "$label\:"; |
|
457 |
} |
|
458 |
while ($args !~ /^\s*$/) { |
|
459 |
my $arg; |
|
460 |
$args =~ s/^\s*//; |
|
461 |
$args =~ /(.*?)\s*(\,|$)(.*?)$/o; |
|
462 |
$arg = $1; |
|
463 |
$args = $3; |
|
464 |
my $expr = process_numeric_expr($arg, $outref); |
|
465 |
push @$outref, "\t.word $expr$comment\n"; |
|
466 |
undef $comment; |
|
467 |
} |
|
468 |
} |
|
469 |
||
470 |
||
471 |