695e589b0c
Perl's print doesn't automatically include a newline and the delocate script doesn't like files that don't end with one. Change-Id: Ib1bce2b3bb6fbe1a122bd88b58198b497c599adb Reviewed-on: https://boringssl-review.googlesource.com/31804 Commit-Queue: David Benjamin <davidben@google.com> Reviewed-by: David Benjamin <davidben@google.com> CQ-Verified: CQ bot account: commit-bot@chromium.org <commit-bot@chromium.org>
312 lines
8.4 KiB
Raku
312 lines
8.4 KiB
Raku
#! /usr/bin/env perl
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# Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the OpenSSL license (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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my $flavour = shift;
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my $output = shift;
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open STDOUT,">$output" || die "can't open $output: $!";
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my %GLOBALS;
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my %TYPES;
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my $dotinlocallabels=($flavour=~/linux/)?1:0;
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################################################################
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# directives which need special treatment on different platforms
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################################################################
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my $type = sub {
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my ($dir,$name,$type) = @_;
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$TYPES{$name} = $type;
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if ($flavour =~ /linux/) {
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$name =~ s|^\.||;
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".type $name,$type";
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} else {
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"";
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}
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};
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my $globl = sub {
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my $junk = shift;
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my $name = shift;
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my $global = \$GLOBALS{$name};
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my $type = \$TYPES{$name};
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my $ret;
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$name =~ s|^\.||;
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SWITCH: for ($flavour) {
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/aix/ && do { if (!$$type) {
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$$type = "\@function";
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}
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if ($$type =~ /function/) {
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$name = ".$name";
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}
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last;
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};
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/osx/ && do { $name = "_$name";
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last;
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};
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/linux.*(32|64le)/
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&& do { $ret .= ".globl $name";
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if (!$$type) {
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$ret .= "\n.type $name,\@function";
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$$type = "\@function";
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}
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last;
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};
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/linux.*64/ && do { $ret .= ".globl $name";
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if (!$$type) {
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$ret .= "\n.type $name,\@function";
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$$type = "\@function";
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}
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if ($$type =~ /function/) {
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$ret .= "\n.section \".opd\",\"aw\"";
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$ret .= "\n.align 3";
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$ret .= "\n$name:";
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$ret .= "\n.quad .$name,.TOC.\@tocbase,0";
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$ret .= "\n.previous";
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$name = ".$name";
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}
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last;
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};
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}
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$ret = ".globl $name" if (!$ret);
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$$global = $name;
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$ret;
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};
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my $text = sub {
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my $ret = ($flavour =~ /aix/) ? ".csect\t.text[PR],7" : ".text";
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$ret = ".abiversion 2\n".$ret if ($flavour =~ /linux.*64le/);
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$ret;
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};
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my $machine = sub {
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my $junk = shift;
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my $arch = shift;
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if ($flavour =~ /osx/)
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{ $arch =~ s/\"//g;
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$arch = ($flavour=~/64/) ? "ppc970-64" : "ppc970" if ($arch eq "any");
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}
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".machine $arch";
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};
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my $size = sub {
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if ($flavour =~ /linux/)
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{ shift;
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my $name = shift;
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my $real = $GLOBALS{$name} ? \$GLOBALS{$name} : \$name;
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my $ret = ".size $$real,.-$$real";
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$name =~ s|^\.||;
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if ($$real ne $name) {
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$ret .= "\n.size $name,.-$$real";
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}
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$ret;
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}
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else
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{ ""; }
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};
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my $asciz = sub {
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shift;
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my $line = join(",",@_);
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if ($line =~ /^"(.*)"$/)
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{ ".byte " . join(",",unpack("C*",$1),0) . "\n.align 2"; }
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else
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{ ""; }
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};
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my $quad = sub {
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shift;
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my @ret;
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my ($hi,$lo);
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for (@_) {
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if (/^0x([0-9a-f]*?)([0-9a-f]{1,8})$/io)
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{ $hi=$1?"0x$1":"0"; $lo="0x$2"; }
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elsif (/^([0-9]+)$/o)
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{ $hi=$1>>32; $lo=$1&0xffffffff; } # error-prone with 32-bit perl
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else
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{ $hi=undef; $lo=$_; }
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if (defined($hi))
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{ push(@ret,$flavour=~/le$/o?".long\t$lo,$hi":".long\t$hi,$lo"); }
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else
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{ push(@ret,".quad $lo"); }
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}
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join("\n",@ret);
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};
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################################################################
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# simplified mnemonics not handled by at least one assembler
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################################################################
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my $cmplw = sub {
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my $f = shift;
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my $cr = 0; $cr = shift if ($#_>1);
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# Some out-of-date 32-bit GNU assembler just can't handle cmplw...
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($flavour =~ /linux.*32/) ?
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" .long ".sprintf "0x%x",31<<26|$cr<<23|$_[0]<<16|$_[1]<<11|64 :
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" cmplw ".join(',',$cr,@_);
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};
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my $bdnz = sub {
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my $f = shift;
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my $bo = $f=~/[\+\-]/ ? 16+9 : 16; # optional "to be taken" hint
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" bc $bo,0,".shift;
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} if ($flavour!~/linux/);
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my $bltlr = sub {
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my $f = shift;
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my $bo = $f=~/\-/ ? 12+2 : 12; # optional "not to be taken" hint
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($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
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" .long ".sprintf "0x%x",19<<26|$bo<<21|16<<1 :
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" bclr $bo,0";
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};
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my $bnelr = sub {
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my $f = shift;
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my $bo = $f=~/\-/ ? 4+2 : 4; # optional "not to be taken" hint
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($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
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" .long ".sprintf "0x%x",19<<26|$bo<<21|2<<16|16<<1 :
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" bclr $bo,2";
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};
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my $beqlr = sub {
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my $f = shift;
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my $bo = $f=~/-/ ? 12+2 : 12; # optional "not to be taken" hint
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($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
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" .long ".sprintf "0x%X",19<<26|$bo<<21|2<<16|16<<1 :
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" bclr $bo,2";
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};
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# GNU assembler can't handle extrdi rA,rS,16,48, or when sum of last two
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# arguments is 64, with "operand out of range" error.
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my $extrdi = sub {
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my ($f,$ra,$rs,$n,$b) = @_;
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$b = ($b+$n)&63; $n = 64-$n;
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" rldicl $ra,$rs,$b,$n";
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};
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my $vmr = sub {
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my ($f,$vx,$vy) = @_;
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" vor $vx,$vy,$vy";
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};
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# Some ABIs specify vrsave, special-purpose register #256, as reserved
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# for system use.
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my $no_vrsave = ($flavour =~ /aix|linux64le/);
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my $mtspr = sub {
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my ($f,$idx,$ra) = @_;
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if ($idx == 256 && $no_vrsave) {
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" or $ra,$ra,$ra";
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} else {
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" mtspr $idx,$ra";
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}
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};
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my $mfspr = sub {
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my ($f,$rd,$idx) = @_;
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if ($idx == 256 && $no_vrsave) {
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" li $rd,-1";
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} else {
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" mfspr $rd,$idx";
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}
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};
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# PowerISA 2.06 stuff
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sub vsxmem_op {
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my ($f, $vrt, $ra, $rb, $op) = @_;
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" .long ".sprintf "0x%X",(31<<26)|($vrt<<21)|($ra<<16)|($rb<<11)|($op*2+1);
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}
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# made-up unaligned memory reference AltiVec/VMX instructions
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my $lvx_u = sub { vsxmem_op(@_, 844); }; # lxvd2x
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my $stvx_u = sub { vsxmem_op(@_, 972); }; # stxvd2x
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my $lvdx_u = sub { vsxmem_op(@_, 588); }; # lxsdx
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my $stvdx_u = sub { vsxmem_op(@_, 716); }; # stxsdx
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my $lvx_4w = sub { vsxmem_op(@_, 780); }; # lxvw4x
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my $stvx_4w = sub { vsxmem_op(@_, 908); }; # stxvw4x
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# PowerISA 2.07 stuff
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sub vcrypto_op {
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my ($f, $vrt, $vra, $vrb, $op) = @_;
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" .long ".sprintf "0x%X",(4<<26)|($vrt<<21)|($vra<<16)|($vrb<<11)|$op;
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}
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my $vcipher = sub { vcrypto_op(@_, 1288); };
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my $vcipherlast = sub { vcrypto_op(@_, 1289); };
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my $vncipher = sub { vcrypto_op(@_, 1352); };
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my $vncipherlast= sub { vcrypto_op(@_, 1353); };
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my $vsbox = sub { vcrypto_op(@_, 0, 1480); };
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my $vshasigmad = sub { my ($st,$six)=splice(@_,-2); vcrypto_op(@_, $st<<4|$six, 1730); };
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my $vshasigmaw = sub { my ($st,$six)=splice(@_,-2); vcrypto_op(@_, $st<<4|$six, 1666); };
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my $vpmsumb = sub { vcrypto_op(@_, 1032); };
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my $vpmsumd = sub { vcrypto_op(@_, 1224); };
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my $vpmsubh = sub { vcrypto_op(@_, 1096); };
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my $vpmsumw = sub { vcrypto_op(@_, 1160); };
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my $vaddudm = sub { vcrypto_op(@_, 192); };
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my $mtsle = sub {
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my ($f, $arg) = @_;
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" .long ".sprintf "0x%X",(31<<26)|($arg<<21)|(147*2);
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};
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# PowerISA 3.0 stuff
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my $maddhdu = sub {
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my ($f, $rt, $ra, $rb, $rc) = @_;
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" .long ".sprintf "0x%X",(4<<26)|($rt<<21)|($ra<<16)|($rb<<11)|($rc<<6)|49;
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};
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my $maddld = sub {
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my ($f, $rt, $ra, $rb, $rc) = @_;
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" .long ".sprintf "0x%X",(4<<26)|($rt<<21)|($ra<<16)|($rb<<11)|($rc<<6)|51;
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};
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my $darn = sub {
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my ($f, $rt, $l) = @_;
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" .long ".sprintf "0x%X",(31<<26)|($rt<<21)|($l<<16)|(755<<1);
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};
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print <<___;
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#if defined(__has_feature)
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#if __has_feature(memory_sanitizer) && !defined(OPENSSL_NO_ASM)"
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#define OPENSSL_NO_ASM"
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#endif
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#endif
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#if !defined(OPENSSL_NO_ASM) && defined(__powerpc64__)
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___
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while($line=<>) {
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$line =~ s|[#!;].*$||; # get rid of asm-style comments...
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$line =~ s|/\*.*\*/||; # ... and C-style comments...
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$line =~ s|^\s+||; # ... and skip white spaces in beginning...
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$line =~ s|\s+$||; # ... and at the end
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{
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$line =~ s|\.L(\w+)|L$1|g; # common denominator for Locallabel
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$line =~ s|\bL(\w+)|\.L$1|g if ($dotinlocallabels);
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}
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{
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$line =~ s|(^[\.\w]+)\:\s*||;
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my $label = $1;
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if ($label) {
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my $xlated = ($GLOBALS{$label} or $label);
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print "$xlated:";
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if ($flavour =~ /linux.*64le/) {
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if ($TYPES{$label} =~ /function/) {
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printf "\n.localentry %s,0\n",$xlated;
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}
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}
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}
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}
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{
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$line =~ s|^\s*(\.?)(\w+)([\.\+\-]?)\s*||;
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my $c = $1; $c = "\t" if ($c eq "");
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my $mnemonic = $2;
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my $f = $3;
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my $opcode = eval("\$$mnemonic");
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$line =~ s/\b(c?[rf]|v|vs)([0-9]+)\b/$2/g if ($c ne "." and $flavour !~ /osx/);
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if (ref($opcode) eq 'CODE') { $line = &$opcode($f,split(',',$line)); }
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elsif ($mnemonic) { $line = $c.$mnemonic.$f."\t".$line; }
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}
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print $line if ($line);
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print "\n";
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}
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print "#endif // !OPENSSL_NO_ASM && __powerpc64__\n";
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close STDOUT;
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