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0856bf519f
Match behavior of all other x86_64 asm. CLA: trivial Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from https://github.com/openssl/openssl/pull/23219)
76 lines
1.8 KiB
Raku
Executable File
76 lines
1.8 KiB
Raku
Executable File
#! /usr/bin/env perl
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# Copyright 2008-2016 The OpenSSL Project Authors. All Rights Reserved.
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#
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# Licensed under the Apache License 2.0 (the "License"). You may not use
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# this file except in compliance with the License. You can obtain a copy
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# in the file LICENSE in the source distribution or at
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# https://www.openssl.org/source/license.html
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# $output is the last argument if it looks like a file (it has an extension)
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$output = $#ARGV >= 0 && $ARGV[$#ARGV] =~ m|\.\w+$| ? pop : undef;
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$flavour = $#ARGV >= 0 && $ARGV[0] !~ m|\.| ? shift : undef;
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$0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
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open OUT,"| \"$^X\" \"${dir}../crypto/perlasm/x86_64-xlate.pl\" $flavour \"$output\""
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or die "can't call ${dir}../crypto/perlasm/x86_64-xlate.pl: $!";
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*STDOUT=*OUT;
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push(@INC,"${dir}.");
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require "uplink-common.pl";
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$prefix="_lazy";
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print <<___;
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.text
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.extern OPENSSL_Uplink
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.globl OPENSSL_UplinkTable
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___
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for ($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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lea OPENSSL_UplinkTable(%rip),%rax
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add \$40,%rsp
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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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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,"r"
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.align 4
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___
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for ($i=1;$i<=$N;$i++) {
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print <<___;
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.rva $prefix${i},$prefix${i}_end,${prefix}_unwind_info
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___
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}
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print <<___;
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.section .xdata,"r"
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.align 8
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${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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close STDOUT;
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