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authorAndy Polyakov <appro@openssl.org>2008-07-22 10:47:35 +0200
committerAndy Polyakov <appro@openssl.org>2008-07-22 10:47:35 +0200
commit4c048211f19d587133d4d688f5b1045a0bd4cb15 (patch)
treed2e84857f43090d8a05adf0fc092ca514e910ea6 /ms
parentperlasm update: implement dataseg directive. (diff)
downloadopenssl-4c048211f19d587133d4d688f5b1045a0bd4cb15.tar.xz
openssl-4c048211f19d587133d4d688f5b1045a0bd4cb15.zip
Split ms/uplink.pl to corresponding platform versions.
Diffstat (limited to 'ms')
-rwxr-xr-xms/uplink-common.pl22
-rwxr-xr-xms/uplink-ia64.pl50
-rwxr-xr-xms/uplink-x86.pl33
-rwxr-xr-xms/uplink-x86_64.pl62
4 files changed, 167 insertions, 0 deletions
diff --git a/ms/uplink-common.pl b/ms/uplink-common.pl
new file mode 100755
index 0000000000..1d20e6e03e
--- /dev/null
+++ b/ms/uplink-common.pl
@@ -0,0 +1,22 @@
+#!/usr/bin/env perl
+#
+# pull APPLINK_MAX value from applink.c...
+$applink_c=$0;
+$applink_c=~s|[^/\\]+$||g;
+$applink_c.="applink.c";
+open(INPUT,$applink_c) || die "can't open $applink_c: $!";
+@max=grep {/APPLINK_MAX\s+(\d+)/} <INPUT>;
+close(INPUT);
+($#max==0) or die "can't find APPLINK_MAX in $applink_c";
+
+$max[0]=~/APPLINK_MAX\s+(\d+)/;
+$N=$1; # number of entries in OPENSSL_UplinkTable not including
+ # OPENSSL_UplinkTable[0], which contains this value...
+
+1;
+
+# Idea is to fill the OPENSSL_UplinkTable with pointers to stubs
+# which invoke 'void OPENSSL_Uplink (ULONG_PTR *table,int index)';
+# and then dereference themselves. Latter shall result in endless
+# loop *unless* OPENSSL_Uplink does not replace 'table[index]' with
+# something else, e.g. as 'table[index]=unimplemented;'...
diff --git a/ms/uplink-ia64.pl b/ms/uplink-ia64.pl
new file mode 100755
index 0000000000..4204c73d58
--- /dev/null
+++ b/ms/uplink-ia64.pl
@@ -0,0 +1,50 @@
+#!/usr/bin/env perl
+
+$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+push(@INC,"${dir}.");
+
+require "uplink-common.pl";
+
+local $V=8; # max number of args uplink functions may accept...
+my $loc0 = "r".(32+$V);
+print <<___;
+.text
+.global OPENSSL_Uplink#
+.type OPENSSL_Uplink#,\@function
+
+___
+for ($i=1;$i<=$N;$i++) {
+print <<___;
+.proc lazy$i#
+lazy$i:
+ .prologue
+{ .mii; .save ar.pfs,$loc0
+ alloc loc0=ar.pfs,$V,3,2,0
+ .save b0,loc1
+ mov loc1=b0
+ addl loc2=\@ltoff(OPENSSL_UplinkTable#),gp };;
+ .body
+{ .mmi; ld8 out0=[loc2]
+ mov out1=$i };;
+{ .mib; add loc2=8*$i,out0
+ br.call.sptk.many b0=OPENSSL_Uplink# };;
+{ .mmi; ld8 r31=[loc2];;
+ ld8 r30=[r31],8 };;
+{ .mii; ld8 gp=[r31]
+ mov b6=r30
+ mov b0=loc1 };;
+{ .mib; mov ar.pfs=loc0
+ br.many b6 };;
+.endp lazy$i#
+
+___
+}
+print <<___;
+.data
+.global OPENSSL_UplinkTable#
+OPENSSL_UplinkTable: data8 $N // amount of following entries
+___
+for ($i=1;$i<=$N;$i++) { print " data8 \@fptr(lazy$i#)\n"; }
+print <<___;
+.size OPENSSL_UplinkTable,.-OPENSSL_UplinkTable#
+___
diff --git a/ms/uplink-x86.pl b/ms/uplink-x86.pl
new file mode 100755
index 0000000000..0dffc14fcd
--- /dev/null
+++ b/ms/uplink-x86.pl
@@ -0,0 +1,33 @@
+#!/usr/bin/env perl
+
+$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+push(@INC, "${dir}.", "${dir}../crypto/perlasm");
+require "x86asm.pl";
+
+require "uplink-common.pl";
+
+&asm_init($ARGV[0],"uplink-x86");
+
+&external_label("OPENSSL_Uplink");
+&public_label("OPENSSL_UplinkTable");
+
+for ($i=1;$i<=$N;$i++) {
+&function_begin_B("_\$lazy${i}");
+ &lea ("eax",&DWP(&label("OPENSSL_UplinkTable")));
+ &push ("eax");
+ &push ($i);
+ &call (&label("OPENSSL_Uplink"));
+ &add ("esp",8);
+ &pop ("eax");
+ &jmp_ptr(&DWP(4*$i,"eax"));
+&function_end_B("_\$lazy${i}");
+}
+
+&dataseg();
+&align(4);
+&set_label("OPENSSL_UplinkTable");
+&data_word($N);
+for ($i=1;$i<=$N;$i++) {
+&data_word(&label("_\$lazy${i}"));
+}
+&asm_finish();
diff --git a/ms/uplink-x86_64.pl b/ms/uplink-x86_64.pl
new file mode 100755
index 0000000000..80807ce05b
--- /dev/null
+++ b/ms/uplink-x86_64.pl
@@ -0,0 +1,62 @@
+#!/usr/bin/env perl
+
+$output=shift;
+$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+open STDOUT,"| $^X ${dir}../crypto/perlasm/x86_64-xlate.pl $output";
+push(@INC,"${dir}.");
+
+require "uplink-common.pl";
+
+$prefix="_lazy";
+
+print <<___;
+.text
+.extern OPENSSL_Uplink
+___
+for ($i=1;$i<=$N;$i++) {
+print <<___;
+.type $prefix${i},\@abi-omnipotent
+.align 16
+$prefix${i}:
+ .byte 0x48,0x83,0xEC,0x28 # sub rsp,40
+ mov %rcx,48(%rsp)
+ mov %rdx,56(%rsp)
+ mov %r8,64(%rsp)
+ mov %r9,72(%rsp)
+ lea OPENSSL_UplinkTable(%rip),%rcx
+ mov \$$i,%rdx
+ call OPENSSL_Uplink
+ mov 48(%rsp),%rcx
+ mov 56(%rsp),%rdx
+ mov 64(%rsp),%r8
+ mov 72(%rsp),%r9
+ add \$40,%rsp
+ lea OPENSSL_UplinkTable(%rip),%rax
+ jmp *8*$i(%rax)
+$prefix${i}_end:
+.size $prefix${i},.-$prefix${i}
+___
+}
+print <<___;
+.data
+.globl OPENSSL_UplinkTable
+OPENSSL_UplinkTable:
+ .quad $N
+___
+for ($i=1;$i<=$N;$i++) { print " .quad $prefix$i\n"; }
+print <<___;
+.section .pdata
+___
+for ($i=1;$i<=$N;$i++) {
+print <<___;
+ .long $prefix${i}
+ .long $prefix${i}_end
+ .long ${prefix}_unwind_info
+___
+}
+print <<___;
+.section .xdata
+${prefix}_unwind_info:
+ .byte 0x01,0x04,0x01,0x00
+ .byte 0x04,0x42,0x00,0x00
+___