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authordjm <>2010-10-01 22:54:21 +0000
committerdjm <>2010-10-01 22:54:21 +0000
commit2ea67f4aa254b09ded62e6e14fc893bbe6381579 (patch)
treebb3923b81f2ce34b1ad62684afdf1a94d904c185 /src/lib/libcrypto/perlasm
parent6ddfb710ab14b10183ff3a6a32f643554c80065e (diff)
parent829fd51d4f8dde4a7f3bf54754f3c1d1a502f5e2 (diff)
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This commit was generated by cvs2git to track changes on a CVS vendor
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Diffstat (limited to 'src/lib/libcrypto/perlasm')
-rwxr-xr-xsrc/lib/libcrypto/perlasm/ppc-xlate.pl152
-rw-r--r--src/lib/libcrypto/perlasm/x86gas.pl247
2 files changed, 399 insertions, 0 deletions
diff --git a/src/lib/libcrypto/perlasm/ppc-xlate.pl b/src/lib/libcrypto/perlasm/ppc-xlate.pl
new file mode 100755
index 0000000000..4579671c97
--- /dev/null
+++ b/src/lib/libcrypto/perlasm/ppc-xlate.pl
@@ -0,0 +1,152 @@
1#!/usr/bin/env perl
2
3# PowerPC assembler distiller by <appro>.
4
5my $flavour = shift;
6my $output = shift;
7open STDOUT,">$output" || die "can't open $output: $!";
8
9my %GLOBALS;
10my $dotinlocallabels=($flavour=~/linux/)?1:0;
11
12################################################################
13# directives which need special treatment on different platforms
14################################################################
15my $globl = sub {
16 my $junk = shift;
17 my $name = shift;
18 my $global = \$GLOBALS{$name};
19 my $ret;
20
21 $name =~ s|^[\.\_]||;
22
23 SWITCH: for ($flavour) {
24 /aix/ && do { $name = ".$name";
25 last;
26 };
27 /osx/ && do { $name = "_$name";
28 last;
29 };
30 /linux.*32/ && do { $ret .= ".globl $name\n";
31 $ret .= ".type $name,\@function";
32 last;
33 };
34 /linux.*64/ && do { $ret .= ".globl .$name\n";
35 $ret .= ".type .$name,\@function\n";
36 $ret .= ".section \".opd\",\"aw\"\n";
37 $ret .= ".globl $name\n";
38 $ret .= ".align 3\n";
39 $ret .= "$name:\n";
40 $ret .= ".quad .$name,.TOC.\@tocbase,0\n";
41 $ret .= ".size $name,24\n";
42 $ret .= ".previous\n";
43
44 $name = ".$name";
45 last;
46 };
47 }
48
49 $ret = ".globl $name" if (!$ret);
50 $$global = $name;
51 $ret;
52};
53my $text = sub {
54 ($flavour =~ /aix/) ? ".csect" : ".text";
55};
56my $machine = sub {
57 my $junk = shift;
58 my $arch = shift;
59 if ($flavour =~ /osx/)
60 { $arch =~ s/\"//g;
61 $arch = ($flavour=~/64/) ? "ppc970-64" : "ppc970" if ($arch eq "any");
62 }
63 ".machine $arch";
64};
65my $asciz = sub {
66 shift;
67 my $line = join(",",@_);
68 if ($line =~ /^"(.*)"$/)
69 { ".byte " . join(",",unpack("C*",$1),0) . "\n.align 2"; }
70 else
71 { ""; }
72};
73
74################################################################
75# simplified mnemonics not handled by at least one assembler
76################################################################
77my $cmplw = sub {
78 my $f = shift;
79 my $cr = 0; $cr = shift if ($#_>1);
80 # Some out-of-date 32-bit GNU assembler just can't handle cmplw...
81 ($flavour =~ /linux.*32/) ?
82 " .long ".sprintf "0x%x",31<<26|$cr<<23|$_[0]<<16|$_[1]<<11|64 :
83 " cmplw ".join(',',$cr,@_);
84};
85my $bdnz = sub {
86 my $f = shift;
87 my $bo = $f=~/[\+\-]/ ? 16+9 : 16; # optional "to be taken" hint
88 " bc $bo,0,".shift;
89} if ($flavour!~/linux/);
90my $bltlr = sub {
91 my $f = shift;
92 my $bo = $f=~/\-/ ? 12+2 : 12; # optional "not to be taken" hint
93 ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
94 " .long ".sprintf "0x%x",19<<26|$bo<<21|16<<1 :
95 " bclr $bo,0";
96};
97my $bnelr = sub {
98 my $f = shift;
99 my $bo = $f=~/\-/ ? 4+2 : 4; # optional "not to be taken" hint
100 ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
101 " .long ".sprintf "0x%x",19<<26|$bo<<21|2<<16|16<<1 :
102 " bclr $bo,2";
103};
104my $beqlr = sub {
105 my $f = shift;
106 my $bo = $f=~/-/ ? 12+2 : 12; # optional "not to be taken" hint
107 ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
108 " .long ".sprintf "0x%X",19<<26|$bo<<21|2<<16|16<<1 :
109 " bclr $bo,2";
110};
111# GNU assembler can't handle extrdi rA,rS,16,48, or when sum of last two
112# arguments is 64, with "operand out of range" error.
113my $extrdi = sub {
114 my ($f,$ra,$rs,$n,$b) = @_;
115 $b = ($b+$n)&63; $n = 64-$n;
116 " rldicl $ra,$rs,$b,$n";
117};
118
119while($line=<>) {
120
121 $line =~ s|[#!;].*$||; # get rid of asm-style comments...
122 $line =~ s|/\*.*\*/||; # ... and C-style comments...
123 $line =~ s|^\s+||; # ... and skip white spaces in beginning...
124 $line =~ s|\s+$||; # ... and at the end
125
126 {
127 $line =~ s|\b\.L(\w+)|L$1|g; # common denominator for Locallabel
128 $line =~ s|\bL(\w+)|\.L$1|g if ($dotinlocallabels);
129 }
130
131 {
132 $line =~ s|(^[\.\w]+)\:\s*||;
133 my $label = $1;
134 printf "%s:",($GLOBALS{$label} or $label) if ($label);
135 }
136
137 {
138 $line =~ s|^\s*(\.?)(\w+)([\.\+\-]?)\s*||;
139 my $c = $1; $c = "\t" if ($c eq "");
140 my $mnemonic = $2;
141 my $f = $3;
142 my $opcode = eval("\$$mnemonic");
143 $line =~ s|\bc?[rf]([0-9]+)\b|$1|g if ($c ne "." and $flavour !~ /osx/);
144 if (ref($opcode) eq 'CODE') { $line = &$opcode($f,split(',',$line)); }
145 elsif ($mnemonic) { $line = $c.$mnemonic.$f."\t".$line; }
146 }
147
148 print $line if ($line);
149 print "\n";
150}
151
152close STDOUT;
diff --git a/src/lib/libcrypto/perlasm/x86gas.pl b/src/lib/libcrypto/perlasm/x86gas.pl
new file mode 100644
index 0000000000..6eab727fd4
--- /dev/null
+++ b/src/lib/libcrypto/perlasm/x86gas.pl
@@ -0,0 +1,247 @@
1#!/usr/bin/env perl
2
3package x86gas;
4
5*out=\@::out;
6
7$::lbdecor=$::aout?"L":".L"; # local label decoration
8$nmdecor=($::aout or $::coff)?"_":""; # external name decoration
9
10$initseg="";
11
12$align=16;
13$align=log($align)/log(2) if ($::aout);
14$com_start="#" if ($::aout or $::coff);
15
16sub opsize()
17{ my $reg=shift;
18 if ($reg =~ m/^%e/o) { "l"; }
19 elsif ($reg =~ m/^%[a-d][hl]$/o) { "b"; }
20 elsif ($reg =~ m/^%[xm]/o) { undef; }
21 else { "w"; }
22}
23
24# swap arguments;
25# expand opcode with size suffix;
26# prefix numeric constants with $;
27sub ::generic
28{ my($opcode,@arg)=@_;
29 my($suffix,$dst,$src);
30
31 @arg=reverse(@arg);
32
33 for (@arg)
34 { s/^(\*?)(e?[a-dsixphl]{2})$/$1%$2/o; # gp registers
35 s/^([xy]?mm[0-7])$/%$1/o; # xmm/mmx registers
36 s/^(\-?[0-9]+)$/\$$1/o; # constants
37 s/^(\-?0x[0-9a-f]+)$/\$$1/o; # constants
38 }
39
40 $dst = $arg[$#arg] if ($#arg>=0);
41 $src = $arg[$#arg-1] if ($#arg>=1);
42 if ($dst =~ m/^%/o) { $suffix=&opsize($dst); }
43 elsif ($src =~ m/^%/o) { $suffix=&opsize($src); }
44 else { $suffix="l"; }
45 undef $suffix if ($dst =~ m/^%[xm]/o || $src =~ m/^%[xm]/o);
46
47 if ($#_==0) { &::emit($opcode); }
48 elsif ($opcode =~ m/^j/o && $#_==1) { &::emit($opcode,@arg); }
49 elsif ($opcode eq "call" && $#_==1) { &::emit($opcode,@arg); }
50 elsif ($opcode =~ m/^set/&& $#_==1) { &::emit($opcode,@arg); }
51 else { &::emit($opcode.$suffix,@arg);}
52
53 1;
54}
55#
56# opcodes not covered by ::generic above, mostly inconsistent namings...
57#
58sub ::movzx { &::movzb(@_); }
59sub ::pushfd { &::pushfl; }
60sub ::popfd { &::popfl; }
61sub ::cpuid { &::emit(".byte\t0x0f,0xa2"); }
62sub ::rdtsc { &::emit(".byte\t0x0f,0x31"); }
63
64sub ::call { &::emit("call",(&::islabel($_[0]) or "$nmdecor$_[0]")); }
65sub ::call_ptr { &::generic("call","*$_[0]"); }
66sub ::jmp_ptr { &::generic("jmp","*$_[0]"); }
67
68*::bswap = sub { &::emit("bswap","%$_[0]"); } if (!$::i386);
69
70sub ::DWP
71{ my($addr,$reg1,$reg2,$idx)=@_;
72 my $ret="";
73
74 $addr =~ s/^\s+//;
75 # prepend global references with optional underscore
76 $addr =~ s/^([^\+\-0-9][^\+\-]*)/&::islabel($1) or "$nmdecor$1"/ige;
77
78 $reg1 = "%$reg1" if ($reg1);
79 $reg2 = "%$reg2" if ($reg2);
80
81 $ret .= $addr if (($addr ne "") && ($addr ne 0));
82
83 if ($reg2)
84 { $idx!= 0 or $idx=1;
85 $ret .= "($reg1,$reg2,$idx)";
86 }
87 elsif ($reg1)
88 { $ret .= "($reg1)"; }
89
90 $ret;
91}
92sub ::QWP { &::DWP(@_); }
93sub ::BP { &::DWP(@_); }
94sub ::BC { @_; }
95sub ::DWC { @_; }
96
97sub ::file
98{ push(@out,".file\t\"$_[0].s\"\n.text\n"); }
99
100sub ::function_begin_B
101{ my $func=shift;
102 my $global=($func !~ /^_/);
103 my $begin="${::lbdecor}_${func}_begin";
104
105 &::LABEL($func,$global?"$begin":"$nmdecor$func");
106 $func=$nmdecor.$func;
107
108 push(@out,".globl\t$func\n") if ($global);
109 if ($::coff)
110 { push(@out,".def\t$func;\t.scl\t".(3-$global).";\t.type\t32;\t.endef\n"); }
111 elsif (($::aout and !$::pic) or $::macosx)
112 { }
113 else
114 { push(@out,".type $func,\@function\n"); }
115 push(@out,".align\t$align\n");
116 push(@out,"$func:\n");
117 push(@out,"$begin:\n") if ($global);
118 $::stack=4;
119}
120
121sub ::function_end_B
122{ my $func=shift;
123 push(@out,".size\t$nmdecor$func,.-".&::LABEL($func)."\n") if ($::elf);
124 $::stack=0;
125 &::wipe_labels();
126}
127
128sub ::comment
129 {
130 if (!defined($com_start) or $::elf)
131 { # Regarding $::elf above...
132 # GNU and SVR4 as'es use different comment delimiters,
133 push(@out,"\n"); # so we just skip ELF comments...
134 return;
135 }
136 foreach (@_)
137 {
138 if (/^\s*$/)
139 { push(@out,"\n"); }
140 else
141 { push(@out,"\t$com_start $_ $com_end\n"); }
142 }
143 }
144
145sub ::external_label
146{ foreach(@_) { &::LABEL($_,$nmdecor.$_); } }
147
148sub ::public_label
149{ push(@out,".globl\t".&::LABEL($_[0],$nmdecor.$_[0])."\n"); }
150
151sub ::file_end
152{ if (grep {/\b${nmdecor}OPENSSL_ia32cap_P\b/i} @out) {
153 my $tmp=".comm\t${nmdecor}OPENSSL_ia32cap_P,4";
154 if ($::elf) { push (@out,"$tmp,4\n"); }
155 else { push (@out,"$tmp\n"); }
156 }
157 if ($::macosx)
158 { if (%non_lazy_ptr)
159 { push(@out,".section __IMPORT,__pointers,non_lazy_symbol_pointers\n");
160 foreach $i (keys %non_lazy_ptr)
161 { push(@out,"$non_lazy_ptr{$i}:\n.indirect_symbol\t$i\n.long\t0\n"); }
162 }
163 }
164 push(@out,$initseg) if ($initseg);
165}
166
167sub ::data_byte { push(@out,".byte\t".join(',',@_)."\n"); }
168sub ::data_word { push(@out,".long\t".join(',',@_)."\n"); }
169
170sub ::align
171{ my $val=$_[0],$p2,$i;
172 if ($::aout)
173 { for ($p2=0;$val!=0;$val>>=1) { $p2++; }
174 $val=$p2-1;
175 $val.=",0x90";
176 }
177 push(@out,".align\t$val\n");
178}
179
180sub ::picmeup
181{ my($dst,$sym,$base,$reflabel)=@_;
182
183 if ($::pic && ($::elf || $::aout))
184 { if (!defined($base))
185 { &::call(&::label("PIC_me_up"));
186 &::set_label("PIC_me_up");
187 &::blindpop($dst);
188 $base=$dst;
189 $reflabel=&::label("PIC_me_up");
190 }
191 if ($::macosx)
192 { my $indirect=&::static_label("$nmdecor$sym\$non_lazy_ptr");
193 &::mov($dst,&::DWP("$indirect-$reflabel",$base));
194 $non_lazy_ptr{"$nmdecor$sym"}=$indirect;
195 }
196 else
197 { &::lea($dst,&::DWP("_GLOBAL_OFFSET_TABLE_+[.-$reflabel]",
198 $base));
199 &::mov($dst,&::DWP("$sym\@GOT",$dst));
200 }
201 }
202 else
203 { &::lea($dst,&::DWP($sym)); }
204}
205
206sub ::initseg
207{ my $f=$nmdecor.shift;
208
209 if ($::elf)
210 { $initseg.=<<___;
211.section .init
212 call $f
213 jmp .Linitalign
214.align $align
215.Linitalign:
216___
217 }
218 elsif ($::coff)
219 { $initseg.=<<___; # applies to both Cygwin and Mingw
220.section .ctors
221.long $f
222___
223 }
224 elsif ($::macosx)
225 { $initseg.=<<___;
226.mod_init_func
227.align 2
228.long $f
229___
230 }
231 elsif ($::aout)
232 { my $ctor="${nmdecor}_GLOBAL_\$I\$$f";
233 $initseg.=".text\n";
234 $initseg.=".type $ctor,\@function\n" if ($::pic);
235 $initseg.=<<___; # OpenBSD way...
236.globl $ctor
237.align 2
238$ctor:
239 jmp $f
240___
241 }
242}
243
244sub ::dataseg
245{ push(@out,".data\n"); }
246
2471;
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