crypto/openssl/ms/uplink-x86.pl

   1 #! /usr/bin/env perl
   2 # Copyright 2008-2018 The OpenSSL Project Authors. All Rights Reserved.
   3 #
   4 # Licensed under the Apache License 2.0 (the "License").  You may not use
   5 # this file except in compliance with the License.  You can obtain a copy
   6 # in the file LICENSE in the source distribution or at
   7 # https://www.openssl.org/source/license.html
   8
   9 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
  10 push(@INC, "${dir}.", "${dir}../crypto/perlasm");
  11 require "x86asm.pl";
  12
  13 require "uplink-common.pl";
  14
  15 $output = pop and open STDOUT,">$output";
  16
  17 &asm_init($ARGV[0]);
  18
  19 &external_label("OPENSSL_Uplink");
  20 &public_label("OPENSSL_UplinkTable");
  21
  22 for ($i=1;$i<=$N;$i++) {
  23 &function_begin_B("_\$lazy${i}");
  24         &lea    ("eax",&DWP(&label("OPENSSL_UplinkTable")));
  25         &push   ($i);
  26         &push   ("eax");
  27         &call   (&label("OPENSSL_Uplink"));
  28         &pop    ("eax");
  29         &add    ("esp",4);
  30         &jmp_ptr(&DWP(4*$i,"eax"));
  31 &function_end_B("_\$lazy${i}");
  32 }
  33
  34 &dataseg();
  35 &align(4);
  36 &set_label("OPENSSL_UplinkTable");
  37 &data_word($N);
  38 for ($i=1;$i<=$N;$i++) {
  39 &data_word(&label("_\$lazy${i}"));
  40 }
  41 &asm_finish();
  42
  43 close STDOUT;