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authordjm <djm@openbsd.org>2010-10-01 22:54:00 +0000
committerdjm <djm@openbsd.org>2010-10-01 22:54:00 +0000
commitf1535dc82c407426dcbc37ddee0ceff3f0c94865 (patch)
treef73777171acb436d21ef5cb0f2cd241a939ab7f8 /lib/libssl/src/crypto/perlasm
parent- document new MODCPAN_MODULES (diff)
downloadwireguard-openbsd-f1535dc82c407426dcbc37ddee0ceff3f0c94865.tar.xz
wireguard-openbsd-f1535dc82c407426dcbc37ddee0ceff3f0c94865.zip
import OpenSSL-1.0.0a
Diffstat (limited to 'lib/libssl/src/crypto/perlasm')
-rwxr-xr-xlib/libssl/src/crypto/perlasm/ppc-xlate.pl152
-rw-r--r--lib/libssl/src/crypto/perlasm/x86gas.pl247
-rw-r--r--lib/libssl/src/crypto/perlasm/x86masm.pl184
3 files changed, 583 insertions, 0 deletions
diff --git a/lib/libssl/src/crypto/perlasm/ppc-xlate.pl b/lib/libssl/src/crypto/perlasm/ppc-xlate.pl
new file mode 100755
index 00000000000..4579671c970
--- /dev/null
+++ b/lib/libssl/src/crypto/perlasm/ppc-xlate.pl
@@ -0,0 +1,152 @@
+#!/usr/bin/env perl
+
+# PowerPC assembler distiller by <appro>.
+
+my $flavour = shift;
+my $output = shift;
+open STDOUT,">$output" || die "can't open $output: $!";
+
+my %GLOBALS;
+my $dotinlocallabels=($flavour=~/linux/)?1:0;
+
+################################################################
+# directives which need special treatment on different platforms
+################################################################
+my $globl = sub {
+ my $junk = shift;
+ my $name = shift;
+ my $global = \$GLOBALS{$name};
+ my $ret;
+
+ $name =~ s|^[\.\_]||;
+
+ SWITCH: for ($flavour) {
+ /aix/ && do { $name = ".$name";
+ last;
+ };
+ /osx/ && do { $name = "_$name";
+ last;
+ };
+ /linux.*32/ && do { $ret .= ".globl $name\n";
+ $ret .= ".type $name,\@function";
+ last;
+ };
+ /linux.*64/ && do { $ret .= ".globl .$name\n";
+ $ret .= ".type .$name,\@function\n";
+ $ret .= ".section \".opd\",\"aw\"\n";
+ $ret .= ".globl $name\n";
+ $ret .= ".align 3\n";
+ $ret .= "$name:\n";
+ $ret .= ".quad .$name,.TOC.\@tocbase,0\n";
+ $ret .= ".size $name,24\n";
+ $ret .= ".previous\n";
+
+ $name = ".$name";
+ last;
+ };
+ }
+
+ $ret = ".globl $name" if (!$ret);
+ $$global = $name;
+ $ret;
+};
+my $text = sub {
+ ($flavour =~ /aix/) ? ".csect" : ".text";
+};
+my $machine = sub {
+ my $junk = shift;
+ my $arch = shift;
+ if ($flavour =~ /osx/)
+ { $arch =~ s/\"//g;
+ $arch = ($flavour=~/64/) ? "ppc970-64" : "ppc970" if ($arch eq "any");
+ }
+ ".machine $arch";
+};
+my $asciz = sub {
+ shift;
+ my $line = join(",",@_);
+ if ($line =~ /^"(.*)"$/)
+ { ".byte " . join(",",unpack("C*",$1),0) . "\n.align 2"; }
+ else
+ { ""; }
+};
+
+################################################################
+# simplified mnemonics not handled by at least one assembler
+################################################################
+my $cmplw = sub {
+ my $f = shift;
+ my $cr = 0; $cr = shift if ($#_>1);
+ # Some out-of-date 32-bit GNU assembler just can't handle cmplw...
+ ($flavour =~ /linux.*32/) ?
+ " .long ".sprintf "0x%x",31<<26|$cr<<23|$_[0]<<16|$_[1]<<11|64 :
+ " cmplw ".join(',',$cr,@_);
+};
+my $bdnz = sub {
+ my $f = shift;
+ my $bo = $f=~/[\+\-]/ ? 16+9 : 16; # optional "to be taken" hint
+ " bc $bo,0,".shift;
+} if ($flavour!~/linux/);
+my $bltlr = sub {
+ my $f = shift;
+ my $bo = $f=~/\-/ ? 12+2 : 12; # optional "not to be taken" hint
+ ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
+ " .long ".sprintf "0x%x",19<<26|$bo<<21|16<<1 :
+ " bclr $bo,0";
+};
+my $bnelr = sub {
+ my $f = shift;
+ my $bo = $f=~/\-/ ? 4+2 : 4; # optional "not to be taken" hint
+ ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
+ " .long ".sprintf "0x%x",19<<26|$bo<<21|2<<16|16<<1 :
+ " bclr $bo,2";
+};
+my $beqlr = sub {
+ my $f = shift;
+ my $bo = $f=~/-/ ? 12+2 : 12; # optional "not to be taken" hint
+ ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
+ " .long ".sprintf "0x%X",19<<26|$bo<<21|2<<16|16<<1 :
+ " bclr $bo,2";
+};
+# GNU assembler can't handle extrdi rA,rS,16,48, or when sum of last two
+# arguments is 64, with "operand out of range" error.
+my $extrdi = sub {
+ my ($f,$ra,$rs,$n,$b) = @_;
+ $b = ($b+$n)&63; $n = 64-$n;
+ " rldicl $ra,$rs,$b,$n";
+};
+
+while($line=<>) {
+
+ $line =~ s|[#!;].*$||; # get rid of asm-style comments...
+ $line =~ s|/\*.*\*/||; # ... and C-style comments...
+ $line =~ s|^\s+||; # ... and skip white spaces in beginning...
+ $line =~ s|\s+$||; # ... and at the end
+
+ {
+ $line =~ s|\b\.L(\w+)|L$1|g; # common denominator for Locallabel
+ $line =~ s|\bL(\w+)|\.L$1|g if ($dotinlocallabels);
+ }
+
+ {
+ $line =~ s|(^[\.\w]+)\:\s*||;
+ my $label = $1;
+ printf "%s:",($GLOBALS{$label} or $label) if ($label);
+ }
+
+ {
+ $line =~ s|^\s*(\.?)(\w+)([\.\+\-]?)\s*||;
+ my $c = $1; $c = "\t" if ($c eq "");
+ my $mnemonic = $2;
+ my $f = $3;
+ my $opcode = eval("\$$mnemonic");
+ $line =~ s|\bc?[rf]([0-9]+)\b|$1|g if ($c ne "." and $flavour !~ /osx/);
+ if (ref($opcode) eq 'CODE') { $line = &$opcode($f,split(',',$line)); }
+ elsif ($mnemonic) { $line = $c.$mnemonic.$f."\t".$line; }
+ }
+
+ print $line if ($line);
+ print "\n";
+}
+
+close STDOUT;
diff --git a/lib/libssl/src/crypto/perlasm/x86gas.pl b/lib/libssl/src/crypto/perlasm/x86gas.pl
new file mode 100644
index 00000000000..6eab727fd4e
--- /dev/null
+++ b/lib/libssl/src/crypto/perlasm/x86gas.pl
@@ -0,0 +1,247 @@
+#!/usr/bin/env perl
+
+package x86gas;
+
+*out=\@::out;
+
+$::lbdecor=$::aout?"L":".L"; # local label decoration
+$nmdecor=($::aout or $::coff)?"_":""; # external name decoration
+
+$initseg="";
+
+$align=16;
+$align=log($align)/log(2) if ($::aout);
+$com_start="#" if ($::aout or $::coff);
+
+sub opsize()
+{ my $reg=shift;
+ if ($reg =~ m/^%e/o) { "l"; }
+ elsif ($reg =~ m/^%[a-d][hl]$/o) { "b"; }
+ elsif ($reg =~ m/^%[xm]/o) { undef; }
+ else { "w"; }
+}
+
+# swap arguments;
+# expand opcode with size suffix;
+# prefix numeric constants with $;
+sub ::generic
+{ my($opcode,@arg)=@_;
+ my($suffix,$dst,$src);
+
+ @arg=reverse(@arg);
+
+ for (@arg)
+ { s/^(\*?)(e?[a-dsixphl]{2})$/$1%$2/o; # gp registers
+ s/^([xy]?mm[0-7])$/%$1/o; # xmm/mmx registers
+ s/^(\-?[0-9]+)$/\$$1/o; # constants
+ s/^(\-?0x[0-9a-f]+)$/\$$1/o; # constants
+ }
+
+ $dst = $arg[$#arg] if ($#arg>=0);
+ $src = $arg[$#arg-1] if ($#arg>=1);
+ if ($dst =~ m/^%/o) { $suffix=&opsize($dst); }
+ elsif ($src =~ m/^%/o) { $suffix=&opsize($src); }
+ else { $suffix="l"; }
+ undef $suffix if ($dst =~ m/^%[xm]/o || $src =~ m/^%[xm]/o);
+
+ if ($#_==0) { &::emit($opcode); }
+ elsif ($opcode =~ m/^j/o && $#_==1) { &::emit($opcode,@arg); }
+ elsif ($opcode eq "call" && $#_==1) { &::emit($opcode,@arg); }
+ elsif ($opcode =~ m/^set/&& $#_==1) { &::emit($opcode,@arg); }
+ else { &::emit($opcode.$suffix,@arg);}
+
+ 1;
+}
+#
+# opcodes not covered by ::generic above, mostly inconsistent namings...
+#
+sub ::movzx { &::movzb(@_); }
+sub ::pushfd { &::pushfl; }
+sub ::popfd { &::popfl; }
+sub ::cpuid { &::emit(".byte\t0x0f,0xa2"); }
+sub ::rdtsc { &::emit(".byte\t0x0f,0x31"); }
+
+sub ::call { &::emit("call",(&::islabel($_[0]) or "$nmdecor$_[0]")); }
+sub ::call_ptr { &::generic("call","*$_[0]"); }
+sub ::jmp_ptr { &::generic("jmp","*$_[0]"); }
+
+*::bswap = sub { &::emit("bswap","%$_[0]"); } if (!$::i386);
+
+sub ::DWP
+{ my($addr,$reg1,$reg2,$idx)=@_;
+ my $ret="";
+
+ $addr =~ s/^\s+//;
+ # prepend global references with optional underscore
+ $addr =~ s/^([^\+\-0-9][^\+\-]*)/&::islabel($1) or "$nmdecor$1"/ige;
+
+ $reg1 = "%$reg1" if ($reg1);
+ $reg2 = "%$reg2" if ($reg2);
+
+ $ret .= $addr if (($addr ne "") && ($addr ne 0));
+
+ if ($reg2)
+ { $idx!= 0 or $idx=1;
+ $ret .= "($reg1,$reg2,$idx)";
+ }
+ elsif ($reg1)
+ { $ret .= "($reg1)"; }
+
+ $ret;
+}
+sub ::QWP { &::DWP(@_); }
+sub ::BP { &::DWP(@_); }
+sub ::BC { @_; }
+sub ::DWC { @_; }
+
+sub ::file
+{ push(@out,".file\t\"$_[0].s\"\n.text\n"); }
+
+sub ::function_begin_B
+{ my $func=shift;
+ my $global=($func !~ /^_/);
+ my $begin="${::lbdecor}_${func}_begin";
+
+ &::LABEL($func,$global?"$begin":"$nmdecor$func");
+ $func=$nmdecor.$func;
+
+ push(@out,".globl\t$func\n") if ($global);
+ if ($::coff)
+ { push(@out,".def\t$func;\t.scl\t".(3-$global).";\t.type\t32;\t.endef\n"); }
+ elsif (($::aout and !$::pic) or $::macosx)
+ { }
+ else
+ { push(@out,".type $func,\@function\n"); }
+ push(@out,".align\t$align\n");
+ push(@out,"$func:\n");
+ push(@out,"$begin:\n") if ($global);
+ $::stack=4;
+}
+
+sub ::function_end_B
+{ my $func=shift;
+ push(@out,".size\t$nmdecor$func,.-".&::LABEL($func)."\n") if ($::elf);
+ $::stack=0;
+ &::wipe_labels();
+}
+
+sub ::comment
+ {
+ if (!defined($com_start) or $::elf)
+ { # Regarding $::elf above...
+ # GNU and SVR4 as'es use different comment delimiters,
+ push(@out,"\n"); # so we just skip ELF comments...
+ return;
+ }
+ foreach (@_)
+ {
+ if (/^\s*$/)
+ { push(@out,"\n"); }
+ else
+ { push(@out,"\t$com_start $_ $com_end\n"); }
+ }
+ }
+
+sub ::external_label
+{ foreach(@_) { &::LABEL($_,$nmdecor.$_); } }
+
+sub ::public_label
+{ push(@out,".globl\t".&::LABEL($_[0],$nmdecor.$_[0])."\n"); }
+
+sub ::file_end
+{ if (grep {/\b${nmdecor}OPENSSL_ia32cap_P\b/i} @out) {
+ my $tmp=".comm\t${nmdecor}OPENSSL_ia32cap_P,4";
+ if ($::elf) { push (@out,"$tmp,4\n"); }
+ else { push (@out,"$tmp\n"); }
+ }
+ if ($::macosx)
+ { if (%non_lazy_ptr)
+ { push(@out,".section __IMPORT,__pointers,non_lazy_symbol_pointers\n");
+ foreach $i (keys %non_lazy_ptr)
+ { push(@out,"$non_lazy_ptr{$i}:\n.indirect_symbol\t$i\n.long\t0\n"); }
+ }
+ }
+ push(@out,$initseg) if ($initseg);
+}
+
+sub ::data_byte { push(@out,".byte\t".join(',',@_)."\n"); }
+sub ::data_word { push(@out,".long\t".join(',',@_)."\n"); }
+
+sub ::align
+{ my $val=$_[0],$p2,$i;
+ if ($::aout)
+ { for ($p2=0;$val!=0;$val>>=1) { $p2++; }
+ $val=$p2-1;
+ $val.=",0x90";
+ }
+ push(@out,".align\t$val\n");
+}
+
+sub ::picmeup
+{ my($dst,$sym,$base,$reflabel)=@_;
+
+ if ($::pic && ($::elf || $::aout))
+ { if (!defined($base))
+ { &::call(&::label("PIC_me_up"));
+ &::set_label("PIC_me_up");
+ &::blindpop($dst);
+ $base=$dst;
+ $reflabel=&::label("PIC_me_up");
+ }
+ if ($::macosx)
+ { my $indirect=&::static_label("$nmdecor$sym\$non_lazy_ptr");
+ &::mov($dst,&::DWP("$indirect-$reflabel",$base));
+ $non_lazy_ptr{"$nmdecor$sym"}=$indirect;
+ }
+ else
+ { &::lea($dst,&::DWP("_GLOBAL_OFFSET_TABLE_+[.-$reflabel]",
+ $base));
+ &::mov($dst,&::DWP("$sym\@GOT",$dst));
+ }
+ }
+ else
+ { &::lea($dst,&::DWP($sym)); }
+}
+
+sub ::initseg
+{ my $f=$nmdecor.shift;
+
+ if ($::elf)
+ { $initseg.=<<___;
+.section .init
+ call $f
+ jmp .Linitalign
+.align $align
+.Linitalign:
+___
+ }
+ elsif ($::coff)
+ { $initseg.=<<___; # applies to both Cygwin and Mingw
+.section .ctors
+.long $f
+___
+ }
+ elsif ($::macosx)
+ { $initseg.=<<___;
+.mod_init_func
+.align 2
+.long $f
+___
+ }
+ elsif ($::aout)
+ { my $ctor="${nmdecor}_GLOBAL_\$I\$$f";
+ $initseg.=".text\n";
+ $initseg.=".type $ctor,\@function\n" if ($::pic);
+ $initseg.=<<___; # OpenBSD way...
+.globl $ctor
+.align 2
+$ctor:
+ jmp $f
+___
+ }
+}
+
+sub ::dataseg
+{ push(@out,".data\n"); }
+
+1;
diff --git a/lib/libssl/src/crypto/perlasm/x86masm.pl b/lib/libssl/src/crypto/perlasm/x86masm.pl
new file mode 100644
index 00000000000..3d50e4a7865
--- /dev/null
+++ b/lib/libssl/src/crypto/perlasm/x86masm.pl
@@ -0,0 +1,184 @@
+#!/usr/bin/env perl
+
+package x86masm;
+
+*out=\@::out;
+
+$::lbdecor="\$L"; # local label decoration
+$nmdecor="_"; # external name decoration
+
+$initseg="";
+$segment="";
+
+sub ::generic
+{ my ($opcode,@arg)=@_;
+
+ # fix hexadecimal constants
+ for (@arg) { s/0x([0-9a-f]+)/0$1h/oi; }
+
+ if ($opcode !~ /movq/)
+ { # fix xmm references
+ $arg[0] =~ s/\b[A-Z]+WORD\s+PTR/XMMWORD PTR/i if ($arg[1]=~/\bxmm[0-7]\b/i);
+ $arg[1] =~ s/\b[A-Z]+WORD\s+PTR/XMMWORD PTR/i if ($arg[0]=~/\bxmm[0-7]\b/i);
+ }
+
+ &::emit($opcode,@arg);
+ 1;
+}
+#
+# opcodes not covered by ::generic above, mostly inconsistent namings...
+#
+sub ::call { &::emit("call",(&::islabel($_[0]) or "$nmdecor$_[0]")); }
+sub ::call_ptr { &::emit("call",@_); }
+sub ::jmp_ptr { &::emit("jmp",@_); }
+
+sub get_mem
+{ my($size,$addr,$reg1,$reg2,$idx)=@_;
+ my($post,$ret);
+
+ $ret .= "$size PTR " if ($size ne "");
+
+ $addr =~ s/^\s+//;
+ # prepend global references with optional underscore
+ $addr =~ s/^([^\+\-0-9][^\+\-]*)/&::islabel($1) or "$nmdecor$1"/ige;
+ # put address arithmetic expression in parenthesis
+ $addr="($addr)" if ($addr =~ /^.+[\-\+].+$/);
+
+ if (($addr ne "") && ($addr ne 0))
+ { if ($addr !~ /^-/) { $ret .= "$addr"; }
+ else { $post=$addr; }
+ }
+ $ret .= "[";
+
+ if ($reg2 ne "")
+ { $idx!=0 or $idx=1;
+ $ret .= "$reg2*$idx";
+ $ret .= "+$reg1" if ($reg1 ne "");
+ }
+ else
+ { $ret .= "$reg1"; }
+
+ $ret .= "$post]";
+ $ret =~ s/\+\]/]/; # in case $addr was the only argument
+ $ret =~ s/\[\s*\]//;
+
+ $ret;
+}
+sub ::BP { &get_mem("BYTE",@_); }
+sub ::DWP { &get_mem("DWORD",@_); }
+sub ::QWP { &get_mem("QWORD",@_); }
+sub ::BC { "@_"; }
+sub ::DWC { "@_"; }
+
+sub ::file
+{ my $tmp=<<___;
+TITLE $_[0].asm
+IF \@Version LT 800
+ECHO MASM version 8.00 or later is strongly recommended.
+ENDIF
+.486
+.MODEL FLAT
+OPTION DOTNAME
+IF \@Version LT 800
+.text\$ SEGMENT PAGE 'CODE'
+ELSE
+.text\$ SEGMENT ALIGN(64) 'CODE'
+ENDIF
+___
+ push(@out,$tmp);
+ $segment = ".text\$";
+}
+
+sub ::function_begin_B
+{ my $func=shift;
+ my $global=($func !~ /^_/);
+ my $begin="${::lbdecor}_${func}_begin";
+
+ &::LABEL($func,$global?"$begin":"$nmdecor$func");
+ $func="ALIGN\t16\n".$nmdecor.$func."\tPROC";
+
+ if ($global) { $func.=" PUBLIC\n${begin}::\n"; }
+ else { $func.=" PRIVATE\n"; }
+ push(@out,$func);
+ $::stack=4;
+}
+sub ::function_end_B
+{ my $func=shift;
+
+ push(@out,"$nmdecor$func ENDP\n");
+ $::stack=0;
+ &::wipe_labels();
+}
+
+sub ::file_end
+{ my $xmmheader=<<___;
+.686
+.XMM
+IF \@Version LT 800
+XMMWORD STRUCT 16
+DQ 2 dup (?)
+XMMWORD ENDS
+ENDIF
+___
+ if (grep {/\b[x]?mm[0-7]\b/i} @out) {
+ grep {s/\.[3-7]86/$xmmheader/} @out;
+ }
+
+ push(@out,"$segment ENDS\n");
+
+ if (grep {/\b${nmdecor}OPENSSL_ia32cap_P\b/i} @out)
+ { my $comm=<<___;
+.bss SEGMENT 'BSS'
+COMM ${nmdecor}OPENSSL_ia32cap_P:DWORD
+.bss ENDS
+___
+ # comment out OPENSSL_ia32cap_P declarations
+ grep {s/(^EXTERN\s+${nmdecor}OPENSSL_ia32cap_P)/\;$1/} @out;
+ push (@out,$comm);
+ }
+ push (@out,$initseg) if ($initseg);
+ push (@out,"END\n");
+}
+
+sub ::comment { foreach (@_) { push(@out,"\t; $_\n"); } }
+
+*::set_label_B = sub
+{ my $l=shift; push(@out,$l.($l=~/^\Q${::lbdecor}\E[0-9]{3}/?":\n":"::\n")); };
+
+sub ::external_label
+{ foreach(@_)
+ { push(@out, "EXTERN\t".&::LABEL($_,$nmdecor.$_).":NEAR\n"); }
+}
+
+sub ::public_label
+{ push(@out,"PUBLIC\t".&::LABEL($_[0],$nmdecor.$_[0])."\n"); }
+
+sub ::data_byte
+{ push(@out,("DB\t").join(',',@_)."\n"); }
+
+sub ::data_word
+{ push(@out,("DD\t").join(',',@_)."\n"); }
+
+sub ::align
+{ push(@out,"ALIGN\t$_[0]\n"); }
+
+sub ::picmeup
+{ my($dst,$sym)=@_;
+ &::lea($dst,&::DWP($sym));
+}
+
+sub ::initseg
+{ my $f=$nmdecor.shift;
+
+ $initseg.=<<___;
+.CRT\$XCU SEGMENT DWORD PUBLIC 'DATA'
+EXTERN $f:NEAR
+DD $f
+.CRT\$XCU ENDS
+___
+}
+
+sub ::dataseg
+{ push(@out,"$segment\tENDS\n_DATA\tSEGMENT\n"); $segment="_DATA"; }
+
+1;