ms/uplink-ia64.pl

   1 #! /usr/bin/env perl
   2 # Copyright 2008-2016 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 $output = pop;
  10 open STDOUT,">$output";
  11
  12 $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
  13 push(@INC,"${dir}.");
  14
  15 require "uplink-common.pl";
  16
  17 local $V=8;     # max number of args uplink functions may accept...
  18 my $loc0 = "r".(32+$V);
  19 print <<___;
  20 .text
  21 .global OPENSSL_Uplink#
  22 .type   OPENSSL_Uplink#,\@function
  23
  24 ___
  25 for ($i=1;$i<=$N;$i++) {
  26 print <<___;
  27 .proc   lazy$i#
  28 lazy$i:
  29         .prologue
  30 { .mii; .save   ar.pfs,$loc0
  31         alloc   loc0=ar.pfs,$V,3,2,0
  32         .save   b0,loc1
  33         mov     loc1=b0
  34         addl    loc2=\@ltoff(OPENSSL_UplinkTable#),gp   };;
  35         .body
  36 { .mmi; ld8     out0=[loc2]
  37         mov     out1=$i                                 };;
  38 { .mib; add     loc2=8*$i,out0
  39         br.call.sptk.many       b0=OPENSSL_Uplink#      };;
  40 { .mmi; ld8     r31=[loc2];;
  41         ld8     r30=[r31],8                             };;
  42 { .mii; ld8     gp=[r31]
  43         mov     b6=r30
  44         mov     b0=loc1                                 };;
  45 { .mib; mov     ar.pfs=loc0
  46         br.many b6                                      };;
  47 .endp   lazy$i#
  48
  49 ___
  50 }
  51 print <<___;
  52 .data
  53 .global OPENSSL_UplinkTable#
  54 OPENSSL_UplinkTable:    data8   $N      // amount of following entries
  55 ___
  56 for ($i=1;$i<=$N;$i++) {   print "      data8   \@fptr(lazy$i#)\n";   }
  57 print <<___;
  58 .size   OPENSSL_UplinkTable,.-OPENSSL_UplinkTable#
  59 ___
  60
  61 close STDOUT;