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#!/usr/bin/perl -w
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$DEBUG = 0;
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$us = ""; # underscore char. gcc linux does not add `_' to names !?!
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%directives = (
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title => AddPrefixDot,
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if => AddPrefixDot,
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ifdef => AddPrefixDot,
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ifndef => AddPrefixDot,
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ifnotdef => AddPrefixDot,
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else => AddPrefixDot,
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endif => AddPrefixDot,
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include => HandleInclude,
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".586" => IgnoreLine,
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".mmx" => IgnoreLine,
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".xmm" => IgnoreLine,
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".model" => IgnoreLine,
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".code" => SetTextSect,
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".const" => SetTextSect,
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public => HandlePublic,
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extrn => HandleExtern,
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extern => HandleExtern,
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externdef => HandleExtern,
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option => HandleOption,
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end => IgnoreLine,
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);
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%UsedRegTypes = (
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"eax", "l", "ebx", "l", "ecx", "l", "edx", "l",
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"esi", "l", "edi", "l", "esp", "l", "ebp", "l",
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"ax", "w", "bx", "w", "cx", "w", "dx", "w",
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"si", "w", "di", "w", "sp", "w", "bp", "w",
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);
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%RegisterList = ( %UsedRegTypes,
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(
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"ah", "b", "al", "b", "bh", "b", "bl", "b",
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"ch", "b", "cl", "b", "dh", "b", "dl", "b",
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"st", "f",
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"st(0)", "f", "st(1)", "f", "st(2)", "f", "st(3)", "f",
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"st(4)", "f", "st(5)", "f", "st(6)", "f", "st(7)", "f",
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"mm0", "q", "mm1", "q", "mm2", "q", "mm3", "q",
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"mm4", "q", "mm5", "q", "mm6", "q", "mm7", "q",
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)
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);
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%MemoryTypes = (
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"byte", "b", "char", "b", "bp", "b",
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"word", "w", "sword", "w", "wp", "w",
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"dword", "l", "sdword", "l", "dwp", "l",
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"qword", "q", "sqword", "q", "qwp", "q",
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"real10", "t", "tbyte", "t",
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);
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%IntToFloatType = ( "b", "???", # Not supposed to happen!
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"w", "???", # Not supposed to happen!
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"l", "s",
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"q", "l",
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"t", "t",
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);
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%MemTypeToDef = (
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"b", "byte", "w", "short", "l", "long", "q", "long",
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);
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%SegAlignTypes = (
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"byte", "0",
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"word", "1",
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"dword", "2",
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"para", "4",
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"page", "8",
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);
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%SegCombineTypes = (
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"private", "",
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"public", ".globl",
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"stack", "",
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"common", "",
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"memory", "",
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"at", "",
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);
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%SegUseTypes = (
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"use16", "",
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"use32", "",
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"flat", "",
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);
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%DAllocTypes = (
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"byte", ".byte", "db", ".byte",
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"sword", ".short", "word", ".word", "dw", ".word",
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"sdword", ".long", "dword", ".long", "dd", ".long",
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"ptr", ".long",
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"fword", "", "df", "",
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"sqword", ".quad", "qword", ".quad", "dq", ".quad",
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"tbyte", "", "dt", "",
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"real4", ".single",
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"real8", ".double",
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"real10", ".tfloat",
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);
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%DAllocAlignTypes = (
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".byte", "0",
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".word", "1",
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".short", "1",
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".long", "2",
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".quad", "3",
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".single", "2",
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".double", "3",
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".tfloat", "4",
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);
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%LabelTypeToInst = (
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".byte", "b",
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".short", "w", ".word", "w",
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".long", "l",
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".quad", "q",
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".single", "s",
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".double", "l",
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".tfloat", "t",
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);
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sub PrintHash {
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my ( %h ) = @_;
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while(($key, $value) = each %h) {
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print "#$key: $value\n";
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}
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print "\n";
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}
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PrintHash( %directives ) if $DEBUG;
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PrintHash( %UsedRegTypes ) if $DEBUG;
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PrintHash( %RegisterList ) if $DEBUG;
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PrintHash( %MemoryTypes ) if $DEBUG;
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PrintHash( %MemTypeToDef ) if $DEBUG;
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137 |
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print " \nProgram Results:\n\n" if $DEBUG;
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139 |
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$warn_fixed = 0;
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$first = $second = $body = $rest = $indent = "";
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$old_prologue = $old_epilogue = $prologue = $epilogue = 1;
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$FuncName = $FuncType = "";
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@FuncArgs = ();
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@FuncArgsRef = ();
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@UsedRegs = ();
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@LabelTypes = ();
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148 |
@EquList = ();
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149 |
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unless ( $#ARGV == 1 ) {
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printf STDERR "Usages: $0 <in-asm-file> <out-s-file>\n";
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exit -1;
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}
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$asmFile = $ARGV[0];
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open STDIN, $asmFile
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or die "Cannot open input file `$asmFile': $!\n";
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158 |
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#($asmOutFile) = (lc($asmFile) =~ /^(.*)\.asm$/);
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$asmOutFile = $ARGV[1];
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open STDOUT, ">$asmOutFile"
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or die "Cannot open output file `$asmOutFile.s': $!\n";
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$warn_fixed = 1 if ( defined($ARGV[1]) && ($ARGV[1] eq "-wfixed") );
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$asmFile =~ /[^\/]+$/;
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print ".file \"$&\"\n";
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print "# Auto-converted from Intel's assembly format to AT&T's format\n\n";
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# Find all labels & equs in advance:
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while( <> ) {
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my ( $ename, $etype, $ltype );
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CanonizeAndComment( $_ );
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next unless defined $first;
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# Handle COMMENTS:
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if ( uc($first) eq "COMMENT" ) {
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while ( ($_ = <>) !~ /\^/ ) {
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;
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}
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next;
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}
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if ( $first =~ /:$/ ) {
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$LabelTypes{ $` } = "";
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next;
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}
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if ( lc $first eq ".data" ) {
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my ( $dtype );
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while ( ($_ = <>) !~ /^\./ ) {
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CanonizeAndComment();
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$etype = $directives{ lc $first };
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if ( defined($etype) &&
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(($etype eq "HandleExtern") || ($etype eq "HandlePublic")) ) {
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GetExternOrPublic();
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}
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elsif ( defined($second) && defined($DAllocTypes{ lc $second }) ) {
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$dtype = $LabelTypeToInst{ $DAllocTypes{lc $second} };
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$LabelTypes{ "$us$first" } = $dtype . "C";
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}
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}
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205 |
next;
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}
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207 |
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next unless defined $second;
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209 |
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if ( lc $second eq "label" ) {
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211 |
$ltype = GetLabelType( @arr_line );
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212 |
if ( $body =~ /\s+C($|[\s,]+)/ ) {
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213 |
$first = "$us$first";
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214 |
$ltype = $ltype . "C";
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}
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216 |
$LabelTypes{ $first } = $ltype;
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217 |
next;
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}
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219 |
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220 |
if ( defined($DAllocTypes{lc($second)}) ) {
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$LabelTypes{ $first } = $LabelTypeToInst{ $DAllocTypes{lc($second)} };
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222 |
next;
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}
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224 |
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225 |
$etype = $directives{ lc $first };
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226 |
if ( defined($etype) &&
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227 |
( ($etype eq "HandleExtern") || ($etype eq "HandlePublic") ) ) {
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228 |
GetExternOrPublic();
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229 |
next;
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230 |
}
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231 |
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232 |
if ( lc $second eq "equ" ) {
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233 |
$EquList{ $first } = Enumerate($arr_line[2]);
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234 |
next;
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235 |
}
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236 |
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237 |
if ( lc $second eq "proc" ) {
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238 |
my ( $fname, $ftype ) = ( "", "" );
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239 |
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240 |
if ( $body =~ /\s+C($|[\s,]+)/ ) {
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241 |
$fname = "$us" ;
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242 |
$ftype = "C";
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243 |
}
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244 |
$fname = "$fname$first";
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245 |
$LabelTypes{ $fname } = "$ftype";
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246 |
}
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247 |
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248 |
}
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249 |
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250 |
sub GetExternOrPublic {
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251 |
my ( $etype, $ename );
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252 |
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253 |
$body =~ /\S+\s*(C?)\s+([^:\s]*)\s*(:?)\s*(\S+)/;
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254 |
if ( $3 eq ":" ) {
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255 |
$etype = $DAllocTypes{lc($4)} if defined($4);
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256 |
$etype = $LabelTypeToInst{ $etype } if defined($etype);
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257 |
$ename = $2;
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258 |
}
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259 |
else {
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260 |
$body =~ /(\S+)$/;
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261 |
$ename = $1;
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262 |
$etype = "l";
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263 |
}
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264 |
if ( $body =~ /\s+C($|[\s,])/ ) {
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265 |
$ename = "$us$ename";
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266 |
$etype = $etype . "C";
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267 |
}
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268 |
$LabelTypes{ $ename } = $etype;
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269 |
}
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270 |
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271 |
PrintHash( %LabelTypes ) if $DEBUG;
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272 |
PrintHash( %EquList ) if $DEBUG;
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273 |
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274 |
seek STDIN, 0, 0;
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275 |
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276 |
while( <> ) {
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277 |
# Any handling that reads more input needs to go back here (COMMENTS & PROC).
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278 |
restart:
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279 |
CanonizeAndComment( $_ );
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280 |
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281 |
# Handle COMMENTS:
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282 |
if ( uc($first) eq "COMMENT" ) {
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283 |
($rest) = $rest =~ /\s*\^(.*)/o;
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284 |
print "# $rest\n";
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285 |
while ( ($_ = <>) !~ /\^/ ) {
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286 |
print "# $_";
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287 |
}
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288 |
$_ =~ /\^/;
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289 |
print "$`#";
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290 |
$_ = $';
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291 |
goto restart;
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292 |
}
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293 |
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294 |
goto print_end unless defined $first;
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295 |
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296 |
# Handle known directives
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297 |
my $var = $directives{ lc $first };
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298 |
if ( (defined $var) && (defined &$var) ) {
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299 |
$line = &$var( lc $first, $rest );
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300 |
print $line;
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301 |
goto print_end;
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302 |
}
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303 |
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304 |
# Handle labels:
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305 |
if ( $first =~ /:/ ) {
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306 |
print "$first";
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307 |
print " $rest" if defined $rest;
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308 |
$indent = " ";
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309 |
goto print_end;
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310 |
}
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311 |
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312 |
# Handle ret (pop regs, restore frame):
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|
313 |
if ( lc $first eq "ret" ) {
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314 |
if ( ($FuncName eq "") && ($epilogue) ) {
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315 |
print STDERR "Warning: ret on line $.,".
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|
316 |
" outside a function context!\n";
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317 |
}
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318 |
else {
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|
319 |
HandleRet() if $epilogue;
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320 |
}
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|
321 |
print $indent, "$first";
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|
322 |
print " $rest" if defined $rest;
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323 |
goto print_end;
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324 |
}
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325 |
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|
326 |
# Handle .directives, and any stuff which isn't an instruction:
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|
327 |
if ( $first eq ".data" ) {
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328 |
HandleDataSect( @arr_line );
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329 |
goto restart;
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330 |
}
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331 |
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|
332 |
if ( $first eq ".bss" ) {
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333 |
HandleBssSect( @arr_line );
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|
334 |
goto restart;
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335 |
}
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|
336 |
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|
337 |
if ( $first =~ /^\./ ) {
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338 |
print "$first";
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339 |
print " $rest" if defined $rest;
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340 |
goto print_end;
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341 |
}
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342 |
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|
343 |
if ( defined $second ) {
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344 |
# Handle segments
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|
345 |
if ( lc $second eq "segment" ) {
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346 |
HandleSegment( @arr_line );
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347 |
goto print_end;
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348 |
}
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349 |
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|
350 |
# Handle EQU
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|
351 |
if ( lc $second eq "equ" ) {
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352 |
$EquList{ $first } = Enumerate($arr_line[2]);
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353 |
print ".equ $first, ", Enumerate($arr_line[2]), "\t";
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354 |
goto print_end;
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355 |
}
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|
356 |
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|
357 |
# Handle PROC
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|
358 |
if ( lc $second eq "proc" ) {
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|
359 |
$indent = " ";
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|
360 |
HandleProc( @arr_line );
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|
361 |
goto restart;
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362 |
}
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|
363 |
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|
364 |
# Handle ENDP (for indentation, clearing status, etc.):
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|
365 |
if ( lc $second eq "endp" ) {
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|
366 |
HandleENDP( $first );
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|
367 |
$indent = "";
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|
368 |
goto print_end;
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|
369 |
}
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|
370 |
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|
371 |
# Handle LABEL
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|
|
372 |
if ( lc $second eq "label" ) {
|
|
|
373 |
$first = "$us$first" if ( $body =~ /\s+C($|[\s,]+)/ );
|
|
|
374 |
print "$first:";
|
|
|
375 |
$indent = " ";
|
|
|
376 |
goto print_end;
|
|
|
377 |
}
|
|
|
378 |
|
|
|
379 |
}
|
|
|
380 |
|
|
|
381 |
# Handle asm instructions:
|
|
|
382 |
HandleAsmInst( $body );
|
|
|
383 |
|
|
|
384 |
print_end:
|
|
|
385 |
print "$white" if defined $white;
|
|
|
386 |
print "#$comment" if defined $comment;
|
|
|
387 |
print "\n";
|
|
|
388 |
|
|
|
389 |
}
|
|
|
390 |
|
|
|
391 |
PrintHash( %FuncArgsRef ) if $DEBUG;
|
|
|
392 |
|
|
|
393 |
sub CanonizeAndComment {
|
|
|
394 |
my ( $fw );
|
|
|
395 |
|
|
|
396 |
# Do canonization:
|
|
|
397 |
$_ =~ s/^(\s*)//o;
|
|
|
398 |
($fw) = ( $1 );
|
|
|
399 |
$_ =~ s/[\s]*$//o;
|
|
|
400 |
|
|
|
401 |
$_ =~ /(\s*);(.*)$/o;
|
|
|
402 |
($body, $white, $comment) = ($`, $1, $2);
|
|
|
403 |
|
|
|
404 |
$white = $fw if ( (defined $body) && ($body eq "") &&
|
|
|
405 |
(defined $comment) && ($comment ne "") );
|
|
|
406 |
|
|
|
407 |
@arr_line = split( /\s+/, $body);
|
|
|
408 |
($first, $second) = ($arr_line[0], $arr_line[1]);
|
|
|
409 |
($rest) = ($body =~ /\S+\s+(.*)/o); # rest is all body except for $first
|
|
|
410 |
}
|
|
|
411 |
|
|
|
412 |
sub GetLabelType {
|
|
|
413 |
my ( $arg, $atype, $ltype );
|
|
|
414 |
|
|
|
415 |
while( @_ ) {
|
|
|
416 |
$arg = shift @_;
|
|
|
417 |
$atype = $DAllocTypes{ lc($arg) };
|
|
|
418 |
$ltype = $LabelTypeToInst{ $atype } if defined($atype);
|
|
|
419 |
return $ltype if defined($ltype);
|
|
|
420 |
}
|
|
|
421 |
|
|
|
422 |
return "l";
|
|
|
423 |
}
|
|
|
424 |
|
|
|
425 |
sub AddPrefixDot {
|
|
|
426 |
my ( $x, $y, $ret ) = @_;
|
|
|
427 |
|
|
|
428 |
$ret = "." . $x;
|
|
|
429 |
if ( (defined $y) && ($y ne "") ) {
|
|
|
430 |
$ret = $ret . " " . $y;
|
|
|
431 |
}
|
|
|
432 |
return $ret;
|
|
|
433 |
}
|
|
|
434 |
|
|
|
435 |
sub HandleInclude {
|
|
|
436 |
my ( $x, $y ) = @_;
|
|
|
437 |
|
|
|
438 |
PrintHash( %_ );
|
|
|
439 |
($y) =~ /^\S+/;
|
|
|
440 |
return ".include " . qq( "$&" ) . $';
|
|
|
441 |
}
|
|
|
442 |
|
|
|
443 |
sub IgnoreLine {
|
|
|
444 |
return "";
|
|
|
445 |
}
|
|
|
446 |
|
|
|
447 |
sub SetTextSect {
|
|
|
448 |
return ".text\n.p2align 2";
|
|
|
449 |
}
|
|
|
450 |
|
|
|
451 |
sub HandleDataSect {
|
|
|
452 |
my ( $ret, $dalign ) = ( ".data", "" );
|
|
|
453 |
|
|
|
454 |
while ( ($_ = <>) !~ /^\./ ) {
|
|
|
455 |
$ret = "$ret$white" if defined $white;
|
|
|
456 |
$ret = "$ret#$comment" if defined $comment;
|
|
|
457 |
$ret = "$ret\n";
|
|
|
458 |
CanonizeAndComment();
|
|
|
459 |
if ( defined($second) && defined($DAllocTypes{ lc $second }) ) {
|
|
|
460 |
$dtype = $DAllocTypes{ lc $second };
|
|
|
461 |
$dalign = $DAllocAlignTypes{ $dtype };
|
|
|
462 |
$ret = "$ret\n.globl $us$first\n.p2align $dalign\n";
|
|
|
463 |
$ret = "$ret\n$us$first:\n\t$dtype";
|
|
|
464 |
$body =~ s/\s*\S+\s+\S+\s*//;
|
|
|
465 |
$body =~ s/\s//og;
|
|
|
466 |
while ( $body ne "" ) {
|
|
|
467 |
$body =~ s/^([^,]+),?//;
|
|
|
468 |
$ret = "$ret " . Enumerate($1) . ",";
|
|
|
469 |
}
|
|
|
470 |
$ret =~ s/,$//;
|
|
|
471 |
}
|
|
|
472 |
elsif ( defined($first) ) {
|
|
|
473 |
if ( (lc($first) eq "extrn") ||
|
|
|
474 |
(lc($first) eq "extern") || (lc($first) eq "externdef") ) {
|
|
|
475 |
$ret = $ret . HandleExtern( lc($first), $rest );
|
|
|
476 |
}
|
|
|
477 |
}
|
|
|
478 |
}
|
|
|
479 |
|
|
|
480 |
$ret = "$ret$white" if defined $white;
|
|
|
481 |
$ret = "$ret#$comment" if defined $comment;
|
|
|
482 |
$ret = "$ret\n";
|
|
|
483 |
|
|
|
484 |
print "$ret"."\n";
|
|
|
485 |
}
|
|
|
486 |
|
|
|
487 |
sub HandleSegment {
|
|
|
488 |
my ( $ret, $FuncComment, $segarg, $align, $def ) = ( "", "" );
|
|
|
489 |
|
|
|
490 |
$sname = shift @_; # get section name
|
|
|
491 |
$ret = ".section $sname, \"a\"";
|
|
|
492 |
shift @_; # discard word `section'
|
|
|
493 |
$segarg = shift @_;
|
|
|
494 |
if ( defined($segarg) ) {
|
|
|
495 |
print "segarg3: $segarg\n" if $DEBUG;
|
|
|
496 |
$align = $SegAlignTypes{ lc $segarg };
|
|
|
497 |
if ( defined($align) ) {
|
|
|
498 |
$segarg = shift @_;
|
|
|
499 |
goto sect_arg_end unless defined($segarg);
|
|
|
500 |
}
|
|
|
501 |
else {
|
|
|
502 |
$align = "2" unless defined($align);
|
|
|
503 |
}
|
|
|
504 |
|
|
|
505 |
print "segarg4: $segarg\n" if $DEBUG;
|
|
|
506 |
if ( lc($segarg) eq "readonly" ) {
|
|
|
507 |
$ret = "$ret, \"r\"";
|
|
|
508 |
$segarg = shift @_;
|
|
|
509 |
goto sect_arg_end unless defined($segarg);
|
|
|
510 |
}
|
|
|
511 |
|
|
|
512 |
print "segarg5: $segarg\n" if $DEBUG;
|
|
|
513 |
$def = $SegCombineTypes{ lc($segarg) };
|
|
|
514 |
if ( defined($def) ) {
|
|
|
515 |
$segarg = shift @_;
|
|
|
516 |
goto sect_arg_end unless defined($segarg);
|
|
|
517 |
}
|
|
|
518 |
|
|
|
519 |
print "segarg6: $segarg\n" if $DEBUG;
|
|
|
520 |
if ( defined( $SegUseTypes{ lc($segarg) } ) ) {
|
|
|
521 |
$segarg = shift @_;
|
|
|
522 |
goto sect_arg_end unless defined($segarg);
|
|
|
523 |
}
|
|
|
524 |
|
|
|
525 |
print "segarg7: $segarg\n" if $DEBUG;
|
|
|
526 |
if ( lc($segarg) =~ /\'(code|data)\'/ ) {
|
|
|
527 |
if ( $1 eq "code" ) {
|
|
|
528 |
$ret = ".text\n$ret";
|
|
|
529 |
}
|
|
|
530 |
else {
|
|
|
531 |
$ret = ".data\n$ret";
|
|
|
532 |
}
|
|
|
533 |
}
|
|
|
534 |
}
|
|
|
535 |
|
|
|
536 |
sect_arg_end:
|
|
|
537 |
print "ret=$ret\nalign=$align\ndef=$def\n" if $DEBUG;
|
|
|
538 |
$ret = "$ret\n";
|
|
|
539 |
|
|
|
540 |
while ( lc($_ = <>) !~ /ends/ ) {
|
|
|
541 |
$ret = "$ret$white" if defined $white;
|
|
|
542 |
$ret = "$ret#$comment" if defined $comment;
|
|
|
543 |
$ret = "$ret\n";
|
|
|
544 |
CanonizeAndComment();
|
|
|
545 |
refind_label:
|
|
|
546 |
if ( (defined($first) && ($first =~ /:$/)) ||
|
|
|
547 |
(defined($second) &&
|
|
|
548 |
( (lc($second) eq "label") ||
|
|
|
549 |
defined($DAllocTypes{lc($second)}) )) ) {
|
|
|
550 |
$lname = "";
|
|
|
551 |
$addnl = 0;
|
|
|
552 |
if ( defined($first) && ($first =~ /:$/) ) {
|
|
|
553 |
$lname = $`;
|
|
|
554 |
$body = $first = "";
|
|
|
555 |
$ltype = "l";
|
|
|
556 |
}
|
|
|
557 |
elsif ( lc($second) eq "label" ) {
|
|
|
558 |
$ltype = GetLabelType( @arr_line );
|
|
|
559 |
if ( $body =~ /\s+C($|[\s,])/ ) {
|
|
|
560 |
$lname = "$us";
|
|
|
561 |
$ltype = $ltype . "C";
|
|
|
562 |
}
|
|
|
563 |
$lname = "$lname$first";
|
|
|
564 |
$body = $first = "";
|
|
|
565 |
}
|
|
|
566 |
else {
|
|
|
567 |
$lname = "$first";
|
|
|
568 |
$ltype = $LabelTypeToInst{ $DAllocTypes{lc($second)} };
|
|
|
569 |
$body =~ s/\s*\S+\s+(\S+)/$1/;
|
|
|
570 |
$first = $1;
|
|
|
571 |
$addnl = 1;
|
|
|
572 |
}
|
|
|
573 |
$LabelTypes{ $lname } = $ltype;
|
|
|
574 |
|
|
|
575 |
$ret = "$ret$def $lname\n" if ( defined($def) && ($def ne "") );
|
|
|
576 |
$ret = "$ret.p2align $align\n$lname:";
|
|
|
577 |
$ret = "$ret\n" if $addnl;
|
|
|
578 |
|
|
|
579 |
undef $dtype;
|
|
|
580 |
$dtype = $DAllocTypes{ lc $first } if ( defined($first) );
|
|
|
581 |
do {
|
|
|
582 |
if ( defined($dtype) ) {
|
|
|
583 |
$ret = "$ret$dtype ";
|
|
|
584 |
$body =~ s/\S+\s+//;
|
|
|
585 |
$body =~ s/\s//og;
|
|
|
586 |
while ( ($body =~ s/^([^,]+),?//) ne "" ) {
|
|
|
587 |
$ret = $ret . Enumerate($1) . ", ";
|
|
|
588 |
}
|
|
|
589 |
$ret =~ s/\s*,\s*$//;
|
|
|
590 |
}
|
|
|
591 |
$ret = "$ret$white" if defined $white;
|
|
|
592 |
$ret = "$ret#$comment" if defined $comment;
|
|
|
593 |
$ret = "$ret\n";
|
|
|
594 |
$_ = <>;
|
|
|
595 |
CanonizeAndComment() if defined($_);
|
|
|
596 |
undef $dtype;
|
|
|
597 |
$dtype = $DAllocTypes{ lc $first } if ( defined($first) );
|
|
|
598 |
}
|
|
|
599 |
while ( defined($_) && (($body eq "") || defined($dtype)) );
|
|
|
600 |
|
|
|
601 |
last if ( $body =~ /ends/ );
|
|
|
602 |
goto refind_label;
|
|
|
603 |
}
|
|
|
604 |
if ( $body ne "" ) {
|
|
|
605 |
$ret = "$ret$body";
|
|
|
606 |
print STDERR "Warning: not data decl inside section, line $.\n";
|
|
|
607 |
}
|
|
|
608 |
}
|
|
|
609 |
|
|
|
610 |
if ( $first ne $sname ) {
|
|
|
611 |
print STDERR "Warning: on line $., sement $sname ends, not $first!\n";
|
|
|
612 |
}
|
|
|
613 |
|
|
|
614 |
print "$ret"."\n";
|
|
|
615 |
}
|
|
|
616 |
|
|
|
617 |
sub HandleBssSect {
|
|
|
618 |
}
|
|
|
619 |
|
|
|
620 |
sub HandleExtern {
|
|
|
621 |
my ( $x, $y, $name ) = @_;
|
|
|
622 |
|
|
|
623 |
($y) =~ /\s*([^:\s]*):(\S+)/;
|
|
|
624 |
# $ltype = $DAllocTypes{lc($2)} if defined($2);
|
|
|
625 |
# $ltype = $LabelTypeToInst{ $ltype } if defined($ltype);
|
|
|
626 |
$name = $1;
|
|
|
627 |
if ( $body =~ /\s+C($|[\s,])/ ) {
|
|
|
628 |
$name = "$us$name";
|
|
|
629 |
# $ltype = $ltype . "C" if defined($ltype);
|
|
|
630 |
}
|
|
|
631 |
# $LabelTypes{ $name } = $ltype if defined($ltype);
|
|
|
632 |
return ".extern $name";
|
|
|
633 |
}
|
|
|
634 |
|
|
|
635 |
sub HandlePublic {
|
|
|
636 |
my ( $name );
|
|
|
637 |
|
|
|
638 |
$body =~ /\S+\s+(C?)\s+(\S+)/;
|
|
|
639 |
$name = $2;
|
|
|
640 |
if ( $1 eq "C" ) {
|
|
|
641 |
$name = "$us$name";
|
|
|
642 |
}
|
|
|
643 |
return ".globl $name";
|
|
|
644 |
}
|
|
|
645 |
|
|
|
646 |
sub HandleOption {
|
|
|
647 |
my ( $x, $y ) = @_;
|
|
|
648 |
|
|
|
649 |
if ( $y eq "PROLOGUE:NONE" ) {
|
|
|
650 |
$prologue = 0;
|
|
|
651 |
print STDERR "Not creating function prologue from input line $.\n"
|
|
|
652 |
if $DEBUG;
|
|
|
653 |
}
|
|
|
654 |
elsif ( $y eq "EPILOGUE:NONE" ) {
|
|
|
655 |
$epilogue = 0;
|
|
|
656 |
print STDERR "Not creating function epilogue from input line $.\n"
|
|
|
657 |
if $DEBUG;
|
|
|
658 |
}
|
|
|
659 |
|
|
|
660 |
return "";
|
|
|
661 |
}
|
|
|
662 |
|
|
|
663 |
sub Enumerate {
|
|
|
664 |
my ( $num ) = @_;
|
|
|
665 |
|
|
|
666 |
if ( $num =~ /^([+\-]?)([0-9a-fA-F]+)h$/ ) {
|
|
|
667 |
return "$1"."0x$2";
|
|
|
668 |
}
|
|
|
669 |
|
|
|
670 |
# if ( $num =~ /^([0-9]+)$/ ) {
|
|
|
671 |
return $num;
|
|
|
672 |
# }
|
|
|
673 |
}
|
|
|
674 |
|
|
|
675 |
sub HandleProc {
|
|
|
676 |
my ( @line ) = @_;
|
|
|
677 |
my ( $found, $FuncComment );
|
|
|
678 |
|
|
|
679 |
$FuncComment = "";
|
|
|
680 |
if ( $body =~ /\s+C($|[\s,]+)/ ) {
|
|
|
681 |
print STDERR "C funcion!\n" if $DEBUG;
|
|
|
682 |
$FuncName = "$us" ;
|
|
|
683 |
$FuncType = "C";
|
|
|
684 |
}
|
|
|
685 |
$FuncName = "$FuncName$line[0]";
|
|
|
686 |
$LabelTypes{ $FuncName } = "l$FuncType";
|
|
|
687 |
|
|
|
688 |
for ( $i = 0; $i <= $#line; $i++ ) {
|
|
|
689 |
if ( lc $line[$i] eq "uses" ) {
|
|
|
690 |
for ( $i++; $i <= $#line; $i++ ) {
|
|
|
691 |
$found = $line[$i] =~ /e?([abcd]x|[sd]i|[sb]p)/io;
|
|
|
692 |
if ( $found ) {
|
|
|
693 |
push( @UsedRegs, lc $& );
|
|
|
694 |
}
|
|
|
695 |
else {
|
|
|
696 |
print STDERR "Warning: unknown or invalid register ";
|
|
|
697 |
print STDERR "`$line[$i]\' on line $.\n";
|
|
|
698 |
}
|
|
|
699 |
}
|
|
|
700 |
}
|
|
|
701 |
}
|
|
|
702 |
|
|
|
703 |
while ( ($_ = <>) =~ /:/ ) {
|
|
|
704 |
if ( (defined $comment) && ($comment ne "") ) {
|
|
|
705 |
$FuncComment = $FuncComment . "\n#$comment";
|
|
|
706 |
}
|
|
|
707 |
CanonizeAndComment();
|
|
|
708 |
push @FuncArgs, ($body =~ /(\S+)\s*:\s*([^,\n]*)/og);
|
|
|
709 |
}
|
|
|
710 |
if ( (defined $comment) && ($comment ne "") ) {
|
|
|
711 |
$FuncComment = $FuncComment . "\n#$comment";
|
|
|
712 |
}
|
|
|
713 |
|
|
|
714 |
if ( $FuncType ne "C" ) {
|
|
|
715 |
$old_prologue = $prologue;
|
|
|
716 |
$old_epilogue = $epilogue;
|
|
|
717 |
$prologue = $epilogue = 0;
|
|
|
718 |
while ( $#FuncArgs >= 0 ) { pop @FuncArgs };
|
|
|
719 |
while ( $#UsedRegs >= 0 ) { pop @UsedRegs };
|
|
|
720 |
}
|
|
|
721 |
|
|
|
722 |
if ( (! $prologue) && ($#FuncArgs >= 0) ) {
|
|
|
723 |
print STDERR "Warning: Function `$FuncName\' has arguments,\n".
|
|
|
724 |
" but `OPTION PROLOGUE:NONE\' is set! args ignored.\n";
|
|
|
725 |
while ( $#FuncArgs >= 0 ) { pop @FuncArgs };
|
|
|
726 |
}
|
|
|
727 |
|
|
|
728 |
if ( ($#UsedRegs >= 0) && (! ($prologue || $epilogue) ) ) {
|
|
|
729 |
print STDERR "Warning: Function `$FuncName\' declares used ".
|
|
|
730 |
"registers,\n but no EPILOGUE and no PROLOGUE ",
|
|
|
731 |
"requeted.\n Regs will not be saved or restored!\n";
|
|
|
732 |
while ( $#UsedRegs >= 0 ) { pop @UsedRegs };
|
|
|
733 |
}
|
|
|
734 |
|
|
|
735 |
print $FuncComment, "\n" unless ($FuncComment eq "");
|
|
|
736 |
|
|
|
737 |
if ( $prologue ) {
|
|
|
738 |
ProcessPrintFuncArgs() if ($#FuncArgs > -1);
|
|
|
739 |
print ".globl $FuncName\n\n$FuncName:\n";
|
|
|
740 |
PrintFuncFrame( "enter" );
|
|
|
741 |
ProcessUsedRegs( "enter" ) if ($#UsedRegs > -1);
|
|
|
742 |
}
|
|
|
743 |
else {
|
|
|
744 |
print ".globl $FuncName\n\n$FuncName:\n";
|
|
|
745 |
}
|
|
|
746 |
|
|
|
747 |
}
|
|
|
748 |
|
|
|
749 |
sub ProcessPrintFuncArgs {
|
|
|
750 |
my ( $offset, $i, $type, $offs_name, $arg_type, $maxlen );
|
|
|
751 |
|
|
|
752 |
$offset = 8;
|
|
|
753 |
print "\n";
|
|
|
754 |
|
|
|
755 |
$maxlen = 0;
|
|
|
756 |
for ( $i = 0; $i <= $#FuncArgs-1; $i += 2 ) {
|
|
|
757 |
$maxlen = length($FuncArgs[$i]) if ( length($FuncArgs[$i]) > $maxlen );
|
|
|
758 |
}
|
|
|
759 |
|
|
|
760 |
for ( $i = 0; $i <= $#FuncArgs-1; $i += 2 ) {
|
|
|
761 |
$offs_name = "PRM_" . uc $FuncArgs[$i];
|
|
|
762 |
$arg_type = $FuncArgs[$i+1];
|
|
|
763 |
if ( lc($arg_type) =~ /^ptr\s*/ ) {
|
|
|
764 |
($type) = ($' =~ /\s*(\S*)\s*/);
|
|
|
765 |
# print STDERR "Warning: Function `$FuncName\'s argument ".
|
|
|
766 |
# "`$FuncArgs[$i]\'s size is not 4!\n";
|
|
|
767 |
}
|
|
|
768 |
else {
|
|
|
769 |
$type = $arg_type;
|
|
|
770 |
}
|
|
|
771 |
print ".equ $offs_name, $offset";
|
|
|
772 |
printf "%*s", $maxlen - length($offs_name) + 8 - length($offset), "";
|
|
|
773 |
print "# ", uc $type, "\t$FuncArgs[$i]";
|
|
|
774 |
if ( lc($arg_type) =~ /^ptr\s*/ ) {
|
|
|
775 |
printf "%*spointer", $maxlen - length($offs_name) + 5;
|
|
|
776 |
}
|
|
|
777 |
print "\n";
|
|
|
778 |
$offset += 4;
|
|
|
779 |
$FuncArgsRef{ $FuncArgs[$i] } = "$offs_name(%ebp)";
|
|
|
780 |
}
|
|
|
781 |
|
|
|
782 |
print "\n";
|
|
|
783 |
|
|
|
784 |
# PrintHash( %FuncArgsRef ) if $DEBUG;
|
|
|
785 |
}
|
|
|
786 |
|
|
|
787 |
sub PrintFuncFrame {
|
|
|
788 |
|
|
|
789 |
print "\n";
|
|
|
790 |
if ( $_[0] eq "enter" ) {
|
|
|
791 |
print $indent, "pushl %ebp\n";
|
|
|
792 |
print $indent, "movl %esp, %ebp\n";
|
|
|
793 |
}
|
|
|
794 |
else {
|
|
|
795 |
print $indent, "movl %ebp, %esp\n";
|
|
|
796 |
print $indent, "popl %ebp\n";
|
|
|
797 |
}
|
|
|
798 |
}
|
|
|
799 |
|
|
|
800 |
sub ProcessUsedRegs {
|
|
|
801 |
my ( $i, $type );
|
|
|
802 |
|
|
|
803 |
print "\n";
|
|
|
804 |
if ( $_[0] eq "enter" ) {
|
|
|
805 |
for ( $i = 0; $i <= $#UsedRegs; $i++ ) {
|
|
|
806 |
$type = $UsedRegTypes{ $UsedRegs[$i] };
|
|
|
807 |
if ( $type eq "w" ) {
|
|
|
808 |
print STDERR "Warning: function `$FuncName\' saves a 16-bit ".
|
|
|
809 |
"register ($UsedRegs[$i]).\n";
|
|
|
810 |
}
|
|
|
811 |
print "$indent", "push$type\t%$UsedRegs[$i]\n";
|
|
|
812 |
}
|
|
|
813 |
}
|
|
|
814 |
else {
|
|
|
815 |
for ( $i = $#UsedRegs; $i >= 0 ; $i-- ) {
|
|
|
816 |
$type = $UsedRegTypes{ $UsedRegs[$i] };
|
|
|
817 |
print "$indent", "pop$type\t%$UsedRegs[$i]\n";
|
|
|
818 |
}
|
|
|
819 |
}
|
|
|
820 |
}
|
|
|
821 |
|
|
|
822 |
sub HandleRet {
|
|
|
823 |
|
|
|
824 |
ProcessUsedRegs( "leave" ) if ($#UsedRegs > -1);
|
|
|
825 |
PrintFuncFrame( "leave" );
|
|
|
826 |
print "\n";
|
|
|
827 |
}
|
|
|
828 |
|
|
|
829 |
sub HandleENDP {
|
|
|
830 |
my ( $fname ) = @_;
|
|
|
831 |
|
|
|
832 |
$fname = "$us$fname" if ( $FuncType eq "C" );
|
|
|
833 |
unless ( $fname eq $FuncName ) {
|
|
|
834 |
print STDERR "Warning: on line $. `$fname\' ends, inside $FuncName!\n";
|
|
|
835 |
}
|
|
|
836 |
|
|
|
837 |
if ( $FuncType ne "C" ) {
|
|
|
838 |
$prologue = $old_prologue;
|
|
|
839 |
$epilogue = $old_epilogue;
|
|
|
840 |
}
|
|
|
841 |
$FuncName = $FuncType = "";
|
|
|
842 |
|
|
|
843 |
while ( $#FuncArgs >= 0 ) { pop @FuncArgs };
|
|
|
844 |
while ( $#FuncArgsRef >= 0 ) { pop @FuncArgsRef };
|
|
|
845 |
while ( $#UsedRegs >= 0 ) { pop @UsedRegs };
|
|
|
846 |
|
|
|
847 |
print "\n# $fname ends here.\n\n";
|
|
|
848 |
|
|
|
849 |
if ( $prologue ^ $epilogue ) {
|
|
|
850 |
print STDERR "Warning: only one of PROLUGE and EPILOGUE is defined.\n".
|
|
|
851 |
" Make sure prologue and epilogue are consistent!\n";
|
|
|
852 |
}
|
|
|
853 |
}
|
|
|
854 |
|
|
|
855 |
sub ParseIndexRef {
|
|
|
856 |
my ( $ireg, $idx ) = @_;
|
|
|
857 |
|
|
|
858 |
if ( defined $RegisterList{ $ireg } ) {
|
|
|
859 |
$ireg = "%".$ireg;
|
|
|
860 |
}
|
|
|
861 |
else {
|
|
|
862 |
print STDERR "Error: in instruction on line $.: ".
|
|
|
863 |
"register `$ireg' unknown!\n";
|
|
|
864 |
exit -1;
|
|
|
865 |
}
|
|
|
866 |
|
|
|
867 |
print ",$ireg,$idx)\n" if $DEBUG;
|
|
|
868 |
|
|
|
869 |
return ( $ireg, $idx );
|
|
|
870 |
}
|
|
|
871 |
|
|
|
872 |
sub ParseMemRef {
|
|
|
873 |
my ( $ref ) = @_;
|
|
|
874 |
my ( $dsign, $disp, $base_reg, $index_reg, $index ) =
|
|
|
875 |
( "", "", "", "", "1" );
|
|
|
876 |
|
|
|
877 |
$ref =~ s/\s*//og;
|
|
|
878 |
print "$ref\n" if $DEBUG;
|
|
|
879 |
|
|
|
880 |
$found = $ref =~ /([+\-]?)([01248])\*([^+\-*]+)/;
|
|
|
881 |
if ( $found && defined($RegisterList{$3}) ) {
|
|
|
882 |
print "found 1: $3\n" if $DEBUG;
|
|
|
883 |
if ( defined($1) && ($1 eq "-") ) {
|
|
|
884 |
print STDERR "Error: negative register indexing on line $.!\n";
|
|
|
885 |
exit -3;
|
|
|
886 |
}
|
|
|
887 |
($index_reg, $index) = ParseIndexRef( lc $3, $2 ) unless( $2 eq "0");
|
|
|
888 |
$ref =~ s/([+\-]?)([01248])\*([^+\-*]+)//;
|
|
|
889 |
}
|
|
|
890 |
else {
|
|
|
891 |
$found = $ref =~ s/([+\-]?)([^+\-*]+)\*([01248])//;
|
|
|
892 |
if ( $found ) {
|
|
|
893 |
if ( defined($RegisterList{$2}) ) {
|
|
|
894 |
print "found 2: $2\n" if $DEBUG;
|
|
|
895 |
if ( defined($1) && ($1 eq "-") ) {
|
|
|
896 |
print STDERR "Error: negative register indexing".
|
|
|
897 |
" on line $.!\n";
|
|
|
898 |
exit -3;
|
|
|
899 |
}
|
|
|
900 |
($index_reg, $index) =
|
|
|
901 |
ParseIndexRef(lc $2, $3) unless( $3 eq "0");
|
|
|
902 |
}
|
|
|
903 |
else {
|
|
|
904 |
$disp = $1 if defined($1);
|
|
|
905 |
$disp = $disp . Enumerate($2) . "*" . Enumerate($3);
|
|
|
906 |
}
|
|
|
907 |
}
|
|
|
908 |
}
|
|
|
909 |
|
|
|
910 |
$fn = 2;
|
|
|
911 |
while ( $ref =~ s/([+\-]?)([^+\-*]+)\*([^+\-*]+)// ) {
|
|
|
912 |
# print STDERR "Error: in instruction on line $.: too many `*'!\n";
|
|
|
913 |
# exit -3;
|
|
|
914 |
$fn++;
|
|
|
915 |
print STDERR "found $fn"."*: $2*$3\n" if $DEBUG;
|
|
|
916 |
$disp = "$disp$1" if defined($1);
|
|
|
917 |
$disp = $disp . Enumerate($2) . "*" . Enumerate($3);
|
|
|
918 |
print STDERR "$disp(\n" if $DEBUG;
|
|
|
919 |
}
|
|
|
920 |
|
|
|
921 |
while ( $ref =~ s/((^|[+\-])[0-9][0-9a-fA-F]*h?)// ) {
|
|
|
922 |
$fn++;
|
|
|
923 |
print STDERR "found $fn"."i: $1\n" if $DEBUG;
|
|
|
924 |
$disp = $disp . Enumerate($1);
|
|
|
925 |
print STDERR "$disp(\n" if $DEBUG;
|
|
|
926 |
}
|
|
|
927 |
|
|
|
928 |
while ( $ref =~ /[^+\-]/ ) {
|
|
|
929 |
$fn++;
|
|
|
930 |
$found = $ref =~ s/^([+\-]?)([^+\-]+)//;
|
|
|
931 |
if ( $found ) {
|
|
|
932 |
print STDERR "found $fn"."g: $1$2\n" if $DEBUG;
|
|
|
933 |
if ( defined $RegisterList{ lc $2 } ) {
|
|
|
934 |
if ( defined($1) && ($1 eq "-") ) {
|
|
|
935 |
print STDERR "negative register reference on line $.!\n";
|
|
|
936 |
exit -4;
|
|
|
937 |
}
|
|
|
938 |
if ( $base_reg ne "" ) {
|
|
|
939 |
if ( $index_reg ne "" ) {
|
|
|
940 |
print STDERR "Error: in instruction on line $.: ".
|
|
|
941 |
"base_reg & index_reg already defined!\n";
|
|
|
942 |
exit -4;
|
|
|
943 |
}
|
|
|
944 |
($index_reg, $index) = ParseIndexRef( lc $2, "1" );
|
|
|
945 |
}
|
|
|
946 |
else {
|
|
|
947 |
$base_reg = "%".lc($2);
|
|
|
948 |
print STDERR "($base_reg,\n" if $DEBUG;
|
|
|
949 |
}
|
|
|
950 |
}
|
|
|
951 |
else {
|
|
|
952 |
$cdisp = $2;
|
|
|
953 |
$cdisp = "$1$cdisp" if defined($1);
|
|
|
954 |
my( $lbt );
|
|
|
955 |
if ( defined($lbt = $LabelTypes{ "$us$cdisp" }) &&
|
|
|
956 |
$lbt =~ /C$/ ) {
|
|
|
957 |
$cdisp = "$us$cdisp";
|
|
|
958 |
}
|
|
|
959 |
$dsign = "+" if ( ($disp ne "") && ($disp !~ /^[+\-]/ ) );
|
|
|
960 |
$disp = "$cdisp$dsign$disp";
|
|
|
961 |
print STDERR "$disp(\n" if $DEBUG;
|
|
|
962 |
}
|
|
|
963 |
}
|
|
|
964 |
}
|
|
|
965 |
|
|
|
966 |
if ( $ref ne "" ) {
|
|
|
967 |
print STDERR "Error: Not all memory reference parsed! (Rest=$ref)\n";
|
|
|
968 |
exit -6;
|
|
|
969 |
}
|
|
|
970 |
|
|
|
971 |
$memref = "$disp($base_reg,$index_reg,$index)";
|
|
|
972 |
print "$memref\n" if $DEBUG;
|
|
|
973 |
$memref =~ s/\(([^,]+),,1\)/($1)/;
|
|
|
974 |
print "$memref\n" if $DEBUG;
|
|
|
975 |
$memref =~ s/,,/,/;
|
|
|
976 |
print "$memref\n" if $DEBUG;
|
|
|
977 |
$memref =~ s/\(,1\)//;
|
|
|
978 |
print "$memref\n" if $DEBUG;
|
|
|
979 |
$memref =~ s/^\+//;
|
|
|
980 |
print "$memref\n" if $DEBUG;
|
|
|
981 |
return $memref;
|
|
|
982 |
}
|
|
|
983 |
|
|
|
984 |
sub HandleSrcDstType {
|
|
|
985 |
my ( $sd, $ref_type, $mem_ref, $sd_type, $lbt, $num, $tmp, $s, $m ) = @_;
|
|
|
986 |
|
|
|
987 |
if ( defined $sd ) {
|
|
|
988 |
$sd_type = $RegisterList{ $sd };
|
|
|
989 |
unless ( defined $sd_type ) {
|
|
|
990 |
($ref_type, $mem_ref) = ($sd =~ /([^\[]*)\[([^\]\n\r]+)\]$/);
|
|
|
991 |
if ( !defined($mem_ref) ) { # maybe [] was missing:
|
|
|
992 |
($ref_type, $mem_ref)= ($sd =~ /(\S*\s*[pP][tT][rR])\s*(.+)$/);
|
|
|
993 |
}
|
|
|
994 |
if ( defined $mem_ref ) {
|
|
|
995 |
($sd_type) = (lc($ref_type) =~ /^(\S+)/);
|
|
|
996 |
$sd_type = "dword" if ( ! defined($sd_type) );
|
|
|
997 |
($sd_type) = $MemoryTypes{ $sd_type };
|
|
|
998 |
print "mem ref: [$mem_ref] ($sd_type)\n" if $DEBUG;
|
|
|
999 |
if ( defined $FuncArgsRef{ $mem_ref } ) {
|
|
|
1000 |
$sd = $FuncArgsRef{ $mem_ref };
|
|
|
1001 |
print "matched in arg-list: $sd\n" if $DEBUG;
|
|
|
1002 |
}
|
|
|
1003 |
else {
|
|
|
1004 |
$sd = ParseMemRef( $mem_ref );
|
|
|
1005 |
}
|
|
|
1006 |
}
|
|
|
1007 |
else {
|
|
|
1008 |
print "constant: $sd " if $DEBUG;
|
|
|
1009 |
if ( defined $FuncArgsRef{ $sd } ) {
|
|
|
1010 |
$sd = $FuncArgsRef{ $sd };
|
|
|
1011 |
print "matched in arg-list: $sd\n" if $DEBUG;
|
|
|
1012 |
}
|
|
|
1013 |
else {
|
|
|
1014 |
$tmp = $sd;
|
|
|
1015 |
$sd = "";
|
|
|
1016 |
while( $tmp ne "" ) {
|
|
|
1017 |
$tmp =~ s/^\s*([+\-]?[^\s+\-]+)\s*([+\-]?)/$2/;
|
|
|
1018 |
print "const=$tmp,match=$1" if $DEBUG;
|
|
|
1019 |
$1 =~ /[^+\-]+/;
|
|
|
1020 |
$s = $`;
|
|
|
1021 |
$m = $&;
|
|
|
1022 |
print ",net=$m\n" if $DEBUG;
|
|
|
1023 |
if ( ( defined($lbt = $LabelTypes{ "$us$m" }) &&
|
|
|
1024 |
$lbt =~ s/C$// ) ||
|
|
|
1025 |
defined($lbt = $LabelTypes{ $m }) ) {
|
|
|
1026 |
if ( defined( $sd_type ) ) {
|
|
|
1027 |
print STDERR "Warning: 2 labels on line $.!\n";
|
|
|
1028 |
}
|
|
|
1029 |
$m = "$us$m" if ( $& eq "C" );
|
|
|
1030 |
$sd = "$sd$s$m";
|
|
|
1031 |
$sd_type = $lbt;
|
|
|
1032 |
print"#label `($s)$m',type `$sd_type'\n" if $DEBUG;
|
|
|
1033 |
}
|
|
|
1034 |
elsif ( defined($EquList{ $m }) ) {
|
|
|
1035 |
$sd = "$sd$s$m";
|
|
|
1036 |
print "found equ `($s)$m'\n" if $DEBUG;
|
|
|
1037 |
}
|
|
|
1038 |
else {
|
|
|
1039 |
$sd = "$sd$s" . Enumerate( $m );
|
|
|
1040 |
print "found const `$s$m'\n" if $DEBUG;
|
|
|
1041 |
}
|
|
|
1042 |
}
|
|
|
1043 |
$sd =~ s/^\+//;
|
|
|
1044 |
$sd = "\$$sd" unless ( defined($sd_type ) );
|
|
|
1045 |
}
|
|
|
1046 |
print "($sd_type)" if ( $DEBUG && defined($sd_type) );
|
|
|
1047 |
print "\n" if $DEBUG;
|
|
|
1048 |
}
|
|
|
1049 |
}
|
|
|
1050 |
else {
|
|
|
1051 |
print "reg ref: $sd ($sd_type)\n" if $DEBUG;
|
|
|
1052 |
$sd = "%" . $sd;
|
|
|
1053 |
}
|
|
|
1054 |
}
|
|
|
1055 |
|
|
|
1056 |
return ( $sd, $sd_type );
|
|
|
1057 |
}
|
|
|
1058 |
|
|
|
1059 |
sub HandleAsmInst {
|
|
|
1060 |
my ( $inst ) = @_;
|
|
|
1061 |
my ( $opcode, $dst, $src, $extra, $src_type, $dst_type, $mem_ref );
|
|
|
1062 |
|
|
|
1063 |
($opcode) = ($inst =~ /^(\S+)\s*/);
|
|
|
1064 |
$opcode = lc $opcode;
|
|
|
1065 |
($dst) = ($' =~ /^([^,\n\r]+)\s*,?\s*/);
|
|
|
1066 |
($src) = ($' =~ /^([^,\n\r]+)\s*,?\s*/) if defined $dst;
|
|
|
1067 |
($extra) = ($' =~ /^([^,\n\r]+)\s*,?\s*/) if defined $src;
|
|
|
1068 |
|
|
|
1069 |
($src, $src_type) = HandleSrcDstType( $src ) if defined $src;
|
|
|
1070 |
($dst, $dst_type) = HandleSrcDstType( $dst ) if defined $dst;
|
|
|
1071 |
|
|
|
1072 |
$print_adj = 0;
|
|
|
1073 |
if ( $opcode =~ /^f(.)/ ) { # Handle float commands:
|
|
|
1074 |
if ( $1 ne "i" ) { # Handle commands without integer:
|
|
|
1075 |
$src_type = $IntToFloatType{ $src_type } if defined($src_type);
|
|
|
1076 |
$dst_type = $IntToFloatType{ $dst_type } if defined($dst_type);
|
|
|
1077 |
}
|
|
|
1078 |
else { # Handle commands with integer: put `' instead of `w'.
|
|
|
1079 |
# $src_type = "" if ( defined($src_type) && ($src_type eq "w") );
|
|
|
1080 |
# $dst_type = "" if ( defined($dst_type) && ($dst_type eq "w") );
|
|
|
1081 |
}
|
|
|
1082 |
}
|
|
|
1083 |
else {
|
|
|
1084 |
# Adjust mmx-instructions:
|
|
|
1085 |
if ( #($opcode eq "movd") &&
|
|
|
1086 |
( (defined $src_type) && (defined $dst_type) ) &&
|
|
|
1087 |
( (($src_type eq "l") && ($dst_type eq "q")) ||
|
|
|
1088 |
(($src_type eq "q") && ($dst_type eq "l")) ) ) {
|
|
|
1089 |
$print_adj = 1 if $warn_fixed;
|
|
|
1090 |
$dst_type = $src_type = "q";
|
|
|
1091 |
}
|
|
|
1092 |
# if src or dst_type is `q' (for mmx), no need to put it
|
|
|
1093 |
$dst_type = "" if ( defined($dst_type) && ($dst_type eq "q") );
|
|
|
1094 |
$src_type = "" if ( defined($src_type) && ($src_type eq "q") );
|
|
|
1095 |
}
|
|
|
1096 |
|
|
|
1097 |
if ( (defined $src_type) && (defined $dst_type) &&
|
|
|
1098 |
($src_type ne $dst_type) ) {
|
|
|
1099 |
print STDERR "Warning: instruction on line $. has different ".
|
|
|
1100 |
"SRC ($src_type) and DST ($dst_type) types!\n";
|
|
|
1101 |
}
|
|
|
1102 |
$dst_type = $src_type if ( defined($src_type) && (!defined($dst_type)) );
|
|
|
1103 |
|
|
|
1104 |
$cmd = $indent . "$opcode";
|
|
|
1105 |
$cmd = $cmd . $dst_type if defined($dst_type);
|
|
|
1106 |
$cmd = $cmd . " ";
|
|
|
1107 |
$cmd = $cmd . "\t" if defined $dst;
|
|
|
1108 |
$cmd = $cmd . $src . ", " if defined $src;
|
|
|
1109 |
$cmd = $cmd . "$dst" if defined $dst;
|
|
|
1110 |
$cmd = $cmd . ", $extra" if defined $extra;
|
|
|
1111 |
|
|
|
1112 |
print $cmd;
|
|
|
1113 |
|
|
|
1114 |
$cmd =~ s/^\s*//;
|
|
|
1115 |
print STDERR "Fixed types for `$cmd' (this is OK).\n" if $print_adj;
|
|
|
1116 |
|
|
|
1117 |
}
|