#! /usr/bin/env perl
-# Copyright 2004-2016 The OpenSSL Project Authors. All Rights Reserved.
+# Copyright 2004-2020 The OpenSSL Project Authors. All Rights Reserved.
#
-# Licensed under the OpenSSL license (the "License"). You may not use
+# Licensed under the Apache License 2.0 (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
push(@INC, "${dir}perlasm", "perlasm");
require "x86asm.pl";
-$output = pop;
-open OUT,">$output";
-*STDOUT=*OUT;
+$output = pop and open STDOUT,">$output";
-&asm_init($ARGV[0],"x86cpuid");
+&asm_init($ARGV[0]);
for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
&cmp ("ebp",0);
&jne (&label("notintel"));
&or ("edx",1<<30); # set reserved bit#30 on Intel CPUs
- &and (&HB("eax"),15); # familiy ID
+ &and (&HB("eax"),15); # family ID
&cmp (&HB("eax"),15); # P4?
&jne (&label("notintel"));
&or ("edx",1<<20); # set reserved bit#20 to engage RC4_CHAR
sub gen_random {
my $rdop = shift;
-&function_begin_B("OPENSSL_ia32_${rdop}");
- &mov ("ecx",8);
-&set_label("loop");
- &${rdop}("eax");
- &jc (&label("break"));
- &loop (&label("loop"));
-&set_label("break");
- &cmp ("eax",0);
- &cmove ("eax","ecx");
- &ret ();
-&function_end_B("OPENSSL_ia32_${rdop}");
-
&function_begin_B("OPENSSL_ia32_${rdop}_bytes");
&push ("edi");
&push ("ebx");
&jnz (&label("tail"));
&set_label("done");
+ &xor ("edx","edx"); # Clear random value from registers
&pop ("ebx");
&pop ("edi");
&ret ();
&asm_finish();
-close STDOUT;
+close STDOUT or die "error closing STDOUT: $!";