mirror of https://github.com/openssl/openssl.git
Split ms/uplink.pl to corresponding platform versions.
This commit is contained in:
Andy Polyakov
parent
b94551e823
commit
4c048211f1
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#!/usr/bin/env perl
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#
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# pull APPLINK_MAX value from applink.c...
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$applink_c=$0;
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$applink_c=~s|[^/\\]+$||g;
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$applink_c.="applink.c";
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open(INPUT,$applink_c) || die "can't open $applink_c: $!";
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@max=grep {/APPLINK_MAX\s+(\d+)/} <INPUT>;
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close(INPUT);
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($#max==0) or die "can't find APPLINK_MAX in $applink_c";
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$max[0]=~/APPLINK_MAX\s+(\d+)/;
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$N=$1; # number of entries in OPENSSL_UplinkTable not including
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# OPENSSL_UplinkTable[0], which contains this value...
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1;
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# Idea is to fill the OPENSSL_UplinkTable with pointers to stubs
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# which invoke 'void OPENSSL_Uplink (ULONG_PTR *table,int index)';
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# and then dereference themselves. Latter shall result in endless
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# loop *unless* OPENSSL_Uplink does not replace 'table[index]' with
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# something else, e.g. as 'table[index]=unimplemented;'...
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#!/usr/bin/env perl
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$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
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push(@INC,"${dir}.");
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require "uplink-common.pl";
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local $V=8; # max number of args uplink functions may accept...
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my $loc0 = "r".(32+$V);
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print <<___;
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.text
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.global OPENSSL_Uplink#
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.type OPENSSL_Uplink#,\@function
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___
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for ($i=1;$i<=$N;$i++) {
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print <<___;
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.proc lazy$i#
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lazy$i:
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.prologue
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{ .mii; .save ar.pfs,$loc0
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alloc loc0=ar.pfs,$V,3,2,0
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.save b0,loc1
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mov loc1=b0
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addl loc2=\@ltoff(OPENSSL_UplinkTable#),gp };;
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.body
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{ .mmi; ld8 out0=[loc2]
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mov out1=$i };;
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{ .mib; add loc2=8*$i,out0
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br.call.sptk.many b0=OPENSSL_Uplink# };;
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{ .mmi; ld8 r31=[loc2];;
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ld8 r30=[r31],8 };;
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{ .mii; ld8 gp=[r31]
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mov b6=r30
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mov b0=loc1 };;
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{ .mib; mov ar.pfs=loc0
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br.many b6 };;
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.endp lazy$i#
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___
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}
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print <<___;
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.data
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.global OPENSSL_UplinkTable#
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OPENSSL_UplinkTable: data8 $N // amount of following entries
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___
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for ($i=1;$i<=$N;$i++) { print " data8 \@fptr(lazy$i#)\n"; }
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print <<___;
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.size OPENSSL_UplinkTable,.-OPENSSL_UplinkTable#
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___
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@ -0,0 +1,33 @@
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#!/usr/bin/env perl
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$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
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push(@INC, "${dir}.", "${dir}../crypto/perlasm");
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require "x86asm.pl";
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require "uplink-common.pl";
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&asm_init($ARGV[0],"uplink-x86");
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&external_label("OPENSSL_Uplink");
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&public_label("OPENSSL_UplinkTable");
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for ($i=1;$i<=$N;$i++) {
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&function_begin_B("_\$lazy${i}");
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&lea ("eax",&DWP(&label("OPENSSL_UplinkTable")));
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&push ("eax");
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&push ($i);
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&call (&label("OPENSSL_Uplink"));
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&add ("esp",8);
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&pop ("eax");
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&jmp_ptr(&DWP(4*$i,"eax"));
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&function_end_B("_\$lazy${i}");
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}
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&dataseg();
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&align(4);
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&set_label("OPENSSL_UplinkTable");
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&data_word($N);
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for ($i=1;$i<=$N;$i++) {
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&data_word(&label("_\$lazy${i}"));
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}
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&asm_finish();
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@ -0,0 +1,62 @@
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#!/usr/bin/env perl
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$output=shift;
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$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
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open STDOUT,"| $^X ${dir}../crypto/perlasm/x86_64-xlate.pl $output";
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push(@INC,"${dir}.");
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require "uplink-common.pl";
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$prefix="_lazy";
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print <<___;
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.text
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.extern OPENSSL_Uplink
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___
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for ($i=1;$i<=$N;$i++) {
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print <<___;
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.type $prefix${i},\@abi-omnipotent
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.align 16
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$prefix${i}:
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.byte 0x48,0x83,0xEC,0x28 # sub rsp,40
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mov %rcx,48(%rsp)
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mov %rdx,56(%rsp)
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mov %r8,64(%rsp)
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mov %r9,72(%rsp)
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lea OPENSSL_UplinkTable(%rip),%rcx
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mov \$$i,%rdx
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call OPENSSL_Uplink
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mov 48(%rsp),%rcx
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mov 56(%rsp),%rdx
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mov 64(%rsp),%r8
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mov 72(%rsp),%r9
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add \$40,%rsp
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lea OPENSSL_UplinkTable(%rip),%rax
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jmp *8*$i(%rax)
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$prefix${i}_end:
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.size $prefix${i},.-$prefix${i}
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___
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}
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print <<___;
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.data
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.globl OPENSSL_UplinkTable
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OPENSSL_UplinkTable:
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.quad $N
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___
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for ($i=1;$i<=$N;$i++) { print " .quad $prefix$i\n"; }
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print <<___;
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.section .pdata
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___
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for ($i=1;$i<=$N;$i++) {
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print <<___;
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.long $prefix${i}
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.long $prefix${i}_end
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.long ${prefix}_unwind_info
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___
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}
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print <<___;
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.section .xdata
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${prefix}_unwind_info:
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.byte 0x01,0x04,0x01,0x00
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.byte 0x04,0x42,0x00,0x00
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___
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