| 1 | #! /usr/bin/env perl
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| 2 | # Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | #
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| 4 | # Licensed under the Apache License 2.0 (the "License"). You may not use
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| 5 | # this file except in compliance with the License. You can obtain a copy
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| 6 | # in the file LICENSE in the source distribution or at
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| 7 | # https://www.openssl.org/source/license.html
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| 8 |
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| 9 | # pull APPLINK_MAX value from applink.c...
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| 10 | $applink_c=$0;
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| 11 | $applink_c=~s|[^/\\]+$||g;
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| 12 | $applink_c.="applink.c";
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| 13 | open(INPUT,$applink_c) || die "can't open $applink_c: $!";
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| 14 | @max=grep {/APPLINK_MAX\s+(\d+)/} <INPUT>;
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| 15 | close(INPUT);
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| 16 | ($#max==0) or die "can't find APPLINK_MAX in $applink_c";
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| 17 |
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| 18 | $max[0]=~/APPLINK_MAX\s+(\d+)/;
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| 19 | $N=$1; # number of entries in OPENSSL_UplinkTable not including
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| 20 | # OPENSSL_UplinkTable[0], which contains this value...
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| 21 |
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| 22 | 1;
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| 23 |
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| 24 | # Idea is to fill the OPENSSL_UplinkTable with pointers to stubs
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| 25 | # which invoke 'void OPENSSL_Uplink (ULONG_PTR *table,int index)';
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| 26 | # and then dereference themselves. Latter shall result in endless
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| 27 | # loop *unless* OPENSSL_Uplink does not replace 'table[index]' with
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| 28 | # something else, e.g. as 'table[index]=unimplemented;'...
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