-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2007-2016 The OpenSSL Project Authors. All Rights Reserved.
+#
+# Licensed under the OpenSSL license (the "License"). You may not use
+# this file except in compliance with the License. You can obtain a copy
+# in the file LICENSE in the source distribution or at
+# https://www.openssl.org/source/license.html
+
# ====================================================================
-# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
+# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
# project. The module is, however, dual licensed under OpenSSL and
# CRYPTOGAMS licenses depending on where you obtain it. For further
# details see http://www.openssl.org/~appro/cryptogams/.
# allows to merge logical or arithmetic operation with shift or rotate
# in one instruction and emit combined result every cycle. The module
# is endian-neutral. The performance is ~42 cycles/byte for 128-bit
-# key.
+# key [on single-issue Xscale PXA250 core].
# May 2007.
#
# AES_set_[en|de]crypt_key is added.
-while (($output=shift) && ($output!~/^\w[\w\-]*\.\w+$/)) {}
-open STDOUT,">$output";
+# July 2010.
+#
+# Rescheduling for dual-issue pipeline resulted in 12% improvement on
+# Cortex A8 core and ~25 cycles per byte processed with 128-bit key.
+
+# February 2011.
+#
+# Profiler-assisted and platform-specific optimization resulted in 16%
+# improvement on Cortex A8 core and ~21.5 cycles per byte.
+
+$flavour = shift;
+if ($flavour=~/\w[\w\-]*\.\w+$/) { $output=$flavour; undef $flavour; }
+else { while (($output=shift) && ($output!~/\w[\w\-]*\.\w+$/)) {} }
+
+if ($flavour && $flavour ne "void") {
+ $0 =~ m/(.*[\/\\])[^\/\\]+$/; $dir=$1;
+ ( $xlate="${dir}arm-xlate.pl" and -f $xlate ) or
+ ( $xlate="${dir}../../perlasm/arm-xlate.pl" and -f $xlate) or
+ die "can't locate arm-xlate.pl";
+
+ open STDOUT,"| \"$^X\" $xlate $flavour $output";
+} else {
+ open STDOUT,">$output";
+}
$s0="r0";
$s1="r1";
$rounds="r12";
$code=<<___;
+#ifndef __KERNEL__
+# include "arm_arch.h"
+#else
+# define __ARM_ARCH__ __LINUX_ARM_ARCH__
+#endif
+
.text
+#if defined(__thumb2__) && !defined(__APPLE__)
+.syntax unified
+.thumb
+#else
.code 32
+#undef __thumb2__
+#endif
.type AES_Te,%object
.align 5
.type AES_encrypt,%function
.align 5
AES_encrypt:
+#ifndef __thumb2__
sub r3,pc,#8 @ AES_encrypt
+#else
+ adr r3,.
+#endif
stmdb sp!,{r1,r4-r12,lr}
+#ifdef __APPLE__
+ adr $tbl,AES_Te
+#else
+ sub $tbl,r3,#AES_encrypt-AES_Te @ Te
+#endif
mov $rounds,r0 @ inp
mov $key,r2
- sub $tbl,r3,#AES_encrypt-AES_Te @ Te
-
+#if __ARM_ARCH__<7
ldrb $s0,[$rounds,#3] @ load input data in endian-neutral
ldrb $t1,[$rounds,#2] @ manner...
ldrb $t2,[$rounds,#1]
ldrb $t3,[$rounds,#0]
orr $s0,$s0,$t1,lsl#8
- orr $s0,$s0,$t2,lsl#16
- orr $s0,$s0,$t3,lsl#24
ldrb $s1,[$rounds,#7]
+ orr $s0,$s0,$t2,lsl#16
ldrb $t1,[$rounds,#6]
+ orr $s0,$s0,$t3,lsl#24
ldrb $t2,[$rounds,#5]
ldrb $t3,[$rounds,#4]
orr $s1,$s1,$t1,lsl#8
- orr $s1,$s1,$t2,lsl#16
- orr $s1,$s1,$t3,lsl#24
ldrb $s2,[$rounds,#11]
+ orr $s1,$s1,$t2,lsl#16
ldrb $t1,[$rounds,#10]
+ orr $s1,$s1,$t3,lsl#24
ldrb $t2,[$rounds,#9]
ldrb $t3,[$rounds,#8]
orr $s2,$s2,$t1,lsl#8
- orr $s2,$s2,$t2,lsl#16
- orr $s2,$s2,$t3,lsl#24
ldrb $s3,[$rounds,#15]
+ orr $s2,$s2,$t2,lsl#16
ldrb $t1,[$rounds,#14]
+ orr $s2,$s2,$t3,lsl#24
ldrb $t2,[$rounds,#13]
ldrb $t3,[$rounds,#12]
orr $s3,$s3,$t1,lsl#8
orr $s3,$s3,$t2,lsl#16
orr $s3,$s3,$t3,lsl#24
-
+#else
+ ldr $s0,[$rounds,#0]
+ ldr $s1,[$rounds,#4]
+ ldr $s2,[$rounds,#8]
+ ldr $s3,[$rounds,#12]
+#ifdef __ARMEL__
+ rev $s0,$s0
+ rev $s1,$s1
+ rev $s2,$s2
+ rev $s3,$s3
+#endif
+#endif
bl _armv4_AES_encrypt
ldr $rounds,[sp],#4 @ pop out
+#if __ARM_ARCH__>=7
+#ifdef __ARMEL__
+ rev $s0,$s0
+ rev $s1,$s1
+ rev $s2,$s2
+ rev $s3,$s3
+#endif
+ str $s0,[$rounds,#0]
+ str $s1,[$rounds,#4]
+ str $s2,[$rounds,#8]
+ str $s3,[$rounds,#12]
+#else
mov $t1,$s0,lsr#24 @ write output in endian-neutral
mov $t2,$s0,lsr#16 @ manner...
mov $t3,$s0,lsr#8
strb $t1,[$rounds,#0]
strb $t2,[$rounds,#1]
- strb $t3,[$rounds,#2]
- strb $s0,[$rounds,#3]
mov $t1,$s1,lsr#24
+ strb $t3,[$rounds,#2]
mov $t2,$s1,lsr#16
+ strb $s0,[$rounds,#3]
mov $t3,$s1,lsr#8
strb $t1,[$rounds,#4]
strb $t2,[$rounds,#5]
- strb $t3,[$rounds,#6]
- strb $s1,[$rounds,#7]
mov $t1,$s2,lsr#24
+ strb $t3,[$rounds,#6]
mov $t2,$s2,lsr#16
+ strb $s1,[$rounds,#7]
mov $t3,$s2,lsr#8
strb $t1,[$rounds,#8]
strb $t2,[$rounds,#9]
- strb $t3,[$rounds,#10]
- strb $s2,[$rounds,#11]
mov $t1,$s3,lsr#24
+ strb $t3,[$rounds,#10]
mov $t2,$s3,lsr#16
+ strb $s2,[$rounds,#11]
mov $t3,$s3,lsr#8
strb $t1,[$rounds,#12]
strb $t2,[$rounds,#13]
strb $t3,[$rounds,#14]
strb $s3,[$rounds,#15]
-
+#endif
+#if __ARM_ARCH__>=5
+ ldmia sp!,{r4-r12,pc}
+#else
ldmia sp!,{r4-r12,lr}
tst lr,#1
moveq pc,lr @ be binary compatible with V4, yet
bx lr @ interoperable with Thumb ISA:-)
+#endif
.size AES_encrypt,.-AES_encrypt
.type _armv4_AES_encrypt,%function
.align 2
_armv4_AES_encrypt:
str lr,[sp,#-4]! @ push lr
- ldr $t1,[$key],#16
- ldr $t2,[$key,#-12]
- ldr $t3,[$key,#-8]
- ldr $i1,[$key,#-4]
- ldr $rounds,[$key,#240-16]
+ ldmia $key!,{$t1-$i1}
eor $s0,$s0,$t1
+ ldr $rounds,[$key,#240-16]
eor $s1,$s1,$t2
eor $s2,$s2,$t3
eor $s3,$s3,$i1
sub $rounds,$rounds,#1
mov lr,#255
-.Lenc_loop:
+ and $i1,lr,$s0
and $i2,lr,$s0,lsr#8
and $i3,lr,$s0,lsr#16
- and $i1,lr,$s0
mov $s0,$s0,lsr#24
+.Lenc_loop:
ldr $t1,[$tbl,$i1,lsl#2] @ Te3[s0>>0]
- ldr $s0,[$tbl,$s0,lsl#2] @ Te0[s0>>24]
- ldr $t2,[$tbl,$i2,lsl#2] @ Te2[s0>>8]
- ldr $t3,[$tbl,$i3,lsl#2] @ Te1[s0>>16]
-
and $i1,lr,$s1,lsr#16 @ i0
+ ldr $t2,[$tbl,$i2,lsl#2] @ Te2[s0>>8]
and $i2,lr,$s1
+ ldr $t3,[$tbl,$i3,lsl#2] @ Te1[s0>>16]
and $i3,lr,$s1,lsr#8
+ ldr $s0,[$tbl,$s0,lsl#2] @ Te0[s0>>24]
mov $s1,$s1,lsr#24
+
ldr $i1,[$tbl,$i1,lsl#2] @ Te1[s1>>16]
- ldr $s1,[$tbl,$s1,lsl#2] @ Te0[s1>>24]
ldr $i2,[$tbl,$i2,lsl#2] @ Te3[s1>>0]
ldr $i3,[$tbl,$i3,lsl#2] @ Te2[s1>>8]
eor $s0,$s0,$i1,ror#8
- eor $s1,$s1,$t1,ror#24
- eor $t2,$t2,$i2,ror#8
- eor $t3,$t3,$i3,ror#8
-
+ ldr $s1,[$tbl,$s1,lsl#2] @ Te0[s1>>24]
and $i1,lr,$s2,lsr#8 @ i0
+ eor $t2,$t2,$i2,ror#8
and $i2,lr,$s2,lsr#16 @ i1
+ eor $t3,$t3,$i3,ror#8
and $i3,lr,$s2
- mov $s2,$s2,lsr#24
ldr $i1,[$tbl,$i1,lsl#2] @ Te2[s2>>8]
+ eor $s1,$s1,$t1,ror#24
ldr $i2,[$tbl,$i2,lsl#2] @ Te1[s2>>16]
- ldr $s2,[$tbl,$s2,lsl#2] @ Te0[s2>>24]
+ mov $s2,$s2,lsr#24
+
ldr $i3,[$tbl,$i3,lsl#2] @ Te3[s2>>0]
eor $s0,$s0,$i1,ror#16
- eor $s1,$s1,$i2,ror#8
- eor $s2,$s2,$t2,ror#16
- eor $t3,$t3,$i3,ror#16
-
+ ldr $s2,[$tbl,$s2,lsl#2] @ Te0[s2>>24]
and $i1,lr,$s3 @ i0
+ eor $s1,$s1,$i2,ror#8
and $i2,lr,$s3,lsr#8 @ i1
+ eor $t3,$t3,$i3,ror#16
and $i3,lr,$s3,lsr#16 @ i2
- mov $s3,$s3,lsr#24
ldr $i1,[$tbl,$i1,lsl#2] @ Te3[s3>>0]
+ eor $s2,$s2,$t2,ror#16
ldr $i2,[$tbl,$i2,lsl#2] @ Te2[s3>>8]
+ mov $s3,$s3,lsr#24
+
ldr $i3,[$tbl,$i3,lsl#2] @ Te1[s3>>16]
- ldr $s3,[$tbl,$s3,lsl#2] @ Te0[s3>>24]
eor $s0,$s0,$i1,ror#24
+ ldr $i1,[$key],#16
eor $s1,$s1,$i2,ror#16
+ ldr $s3,[$tbl,$s3,lsl#2] @ Te0[s3>>24]
eor $s2,$s2,$i3,ror#8
+ ldr $t1,[$key,#-12]
eor $s3,$s3,$t3,ror#8
- ldr $t1,[$key],#16
- ldr $t2,[$key,#-12]
- ldr $t3,[$key,#-8]
- ldr $i1,[$key,#-4]
- eor $s0,$s0,$t1
- eor $s1,$s1,$t2
- eor $s2,$s2,$t3
- eor $s3,$s3,$i1
+ ldr $t2,[$key,#-8]
+ eor $s0,$s0,$i1
+ ldr $t3,[$key,#-4]
+ and $i1,lr,$s0
+ eor $s1,$s1,$t1
+ and $i2,lr,$s0,lsr#8
+ eor $s2,$s2,$t2
+ and $i3,lr,$s0,lsr#16
+ eor $s3,$s3,$t3
+ mov $s0,$s0,lsr#24
subs $rounds,$rounds,#1
bne .Lenc_loop
add $tbl,$tbl,#2
- and $i1,lr,$s0
- and $i2,lr,$s0,lsr#8
- and $i3,lr,$s0,lsr#16
- mov $s0,$s0,lsr#24
ldrb $t1,[$tbl,$i1,lsl#2] @ Te4[s0>>0]
- ldrb $s0,[$tbl,$s0,lsl#2] @ Te4[s0>>24]
- ldrb $t2,[$tbl,$i2,lsl#2] @ Te4[s0>>8]
- ldrb $t3,[$tbl,$i3,lsl#2] @ Te4[s0>>16]
-
and $i1,lr,$s1,lsr#16 @ i0
+ ldrb $t2,[$tbl,$i2,lsl#2] @ Te4[s0>>8]
and $i2,lr,$s1
+ ldrb $t3,[$tbl,$i3,lsl#2] @ Te4[s0>>16]
and $i3,lr,$s1,lsr#8
+ ldrb $s0,[$tbl,$s0,lsl#2] @ Te4[s0>>24]
mov $s1,$s1,lsr#24
+
ldrb $i1,[$tbl,$i1,lsl#2] @ Te4[s1>>16]
- ldrb $s1,[$tbl,$s1,lsl#2] @ Te4[s1>>24]
ldrb $i2,[$tbl,$i2,lsl#2] @ Te4[s1>>0]
ldrb $i3,[$tbl,$i3,lsl#2] @ Te4[s1>>8]
eor $s0,$i1,$s0,lsl#8
- eor $s1,$t1,$s1,lsl#24
- eor $t2,$i2,$t2,lsl#8
- eor $t3,$i3,$t3,lsl#8
-
+ ldrb $s1,[$tbl,$s1,lsl#2] @ Te4[s1>>24]
and $i1,lr,$s2,lsr#8 @ i0
+ eor $t2,$i2,$t2,lsl#8
and $i2,lr,$s2,lsr#16 @ i1
+ eor $t3,$i3,$t3,lsl#8
and $i3,lr,$s2
- mov $s2,$s2,lsr#24
ldrb $i1,[$tbl,$i1,lsl#2] @ Te4[s2>>8]
+ eor $s1,$t1,$s1,lsl#24
ldrb $i2,[$tbl,$i2,lsl#2] @ Te4[s2>>16]
- ldrb $s2,[$tbl,$s2,lsl#2] @ Te4[s2>>24]
+ mov $s2,$s2,lsr#24
+
ldrb $i3,[$tbl,$i3,lsl#2] @ Te4[s2>>0]
eor $s0,$i1,$s0,lsl#8
- eor $s1,$s1,$i2,lsl#16
- eor $s2,$t2,$s2,lsl#24
- eor $t3,$i3,$t3,lsl#8
-
+ ldrb $s2,[$tbl,$s2,lsl#2] @ Te4[s2>>24]
and $i1,lr,$s3 @ i0
+ eor $s1,$s1,$i2,lsl#16
and $i2,lr,$s3,lsr#8 @ i1
+ eor $t3,$i3,$t3,lsl#8
and $i3,lr,$s3,lsr#16 @ i2
- mov $s3,$s3,lsr#24
ldrb $i1,[$tbl,$i1,lsl#2] @ Te4[s3>>0]
+ eor $s2,$t2,$s2,lsl#24
ldrb $i2,[$tbl,$i2,lsl#2] @ Te4[s3>>8]
+ mov $s3,$s3,lsr#24
+
ldrb $i3,[$tbl,$i3,lsl#2] @ Te4[s3>>16]
- ldrb $s3,[$tbl,$s3,lsl#2] @ Te4[s3>>24]
eor $s0,$i1,$s0,lsl#8
+ ldr $i1,[$key,#0]
+ ldrb $s3,[$tbl,$s3,lsl#2] @ Te4[s3>>24]
eor $s1,$s1,$i2,lsl#8
+ ldr $t1,[$key,#4]
eor $s2,$s2,$i3,lsl#16
+ ldr $t2,[$key,#8]
eor $s3,$t3,$s3,lsl#24
+ ldr $t3,[$key,#12]
- ldr lr,[sp],#4 @ pop lr
- ldr $t1,[$key,#0]
- ldr $t2,[$key,#4]
- ldr $t3,[$key,#8]
- ldr $i1,[$key,#12]
- eor $s0,$s0,$t1
- eor $s1,$s1,$t2
- eor $s2,$s2,$t3
- eor $s3,$s3,$i1
+ eor $s0,$s0,$i1
+ eor $s1,$s1,$t1
+ eor $s2,$s2,$t2
+ eor $s3,$s3,$t3
sub $tbl,$tbl,#2
- mov pc,lr @ return
+ ldr pc,[sp],#4 @ pop and return
.size _armv4_AES_encrypt,.-_armv4_AES_encrypt
.global AES_set_encrypt_key
.type AES_set_encrypt_key,%function
.align 5
AES_set_encrypt_key:
+_armv4_AES_set_encrypt_key:
+#ifndef __thumb2__
sub r3,pc,#8 @ AES_set_encrypt_key
+#else
+ adr r3,.
+#endif
teq r0,#0
+#ifdef __thumb2__
+ itt eq @ Thumb2 thing, sanity check in ARM
+#endif
moveq r0,#-1
beq .Labrt
teq r2,#0
+#ifdef __thumb2__
+ itt eq @ Thumb2 thing, sanity check in ARM
+#endif
moveq r0,#-1
beq .Labrt
teq r1,#192
beq .Lok
teq r1,#256
+#ifdef __thumb2__
+ itt ne @ Thumb2 thing, sanity check in ARM
+#endif
movne r0,#-1
bne .Labrt
.Lok: stmdb sp!,{r4-r12,lr}
- sub $tbl,r3,#AES_set_encrypt_key-AES_Te-1024 @ Te4
-
mov $rounds,r0 @ inp
mov lr,r1 @ bits
mov $key,r2 @ key
+#ifdef __APPLE__
+ adr $tbl,AES_Te+1024 @ Te4
+#else
+ sub $tbl,r3,#_armv4_AES_set_encrypt_key-AES_Te-1024 @ Te4
+#endif
+
+#if __ARM_ARCH__<7
ldrb $s0,[$rounds,#3] @ load input data in endian-neutral
ldrb $t1,[$rounds,#2] @ manner...
ldrb $t2,[$rounds,#1]
ldrb $t3,[$rounds,#0]
orr $s0,$s0,$t1,lsl#8
- orr $s0,$s0,$t2,lsl#16
- orr $s0,$s0,$t3,lsl#24
ldrb $s1,[$rounds,#7]
+ orr $s0,$s0,$t2,lsl#16
ldrb $t1,[$rounds,#6]
+ orr $s0,$s0,$t3,lsl#24
ldrb $t2,[$rounds,#5]
ldrb $t3,[$rounds,#4]
orr $s1,$s1,$t1,lsl#8
- orr $s1,$s1,$t2,lsl#16
- orr $s1,$s1,$t3,lsl#24
ldrb $s2,[$rounds,#11]
+ orr $s1,$s1,$t2,lsl#16
ldrb $t1,[$rounds,#10]
+ orr $s1,$s1,$t3,lsl#24
ldrb $t2,[$rounds,#9]
ldrb $t3,[$rounds,#8]
orr $s2,$s2,$t1,lsl#8
- orr $s2,$s2,$t2,lsl#16
- orr $s2,$s2,$t3,lsl#24
ldrb $s3,[$rounds,#15]
+ orr $s2,$s2,$t2,lsl#16
ldrb $t1,[$rounds,#14]
+ orr $s2,$s2,$t3,lsl#24
ldrb $t2,[$rounds,#13]
ldrb $t3,[$rounds,#12]
orr $s3,$s3,$t1,lsl#8
+ str $s0,[$key],#16
orr $s3,$s3,$t2,lsl#16
+ str $s1,[$key,#-12]
orr $s3,$s3,$t3,lsl#24
+ str $s2,[$key,#-8]
+ str $s3,[$key,#-4]
+#else
+ ldr $s0,[$rounds,#0]
+ ldr $s1,[$rounds,#4]
+ ldr $s2,[$rounds,#8]
+ ldr $s3,[$rounds,#12]
+#ifdef __ARMEL__
+ rev $s0,$s0
+ rev $s1,$s1
+ rev $s2,$s2
+ rev $s3,$s3
+#endif
str $s0,[$key],#16
str $s1,[$key,#-12]
str $s2,[$key,#-8]
str $s3,[$key,#-4]
+#endif
teq lr,#128
bne .Lnot128
.L128_loop:
and $t2,lr,$s3,lsr#24
and $i1,lr,$s3,lsr#16
- and $i2,lr,$s3,lsr#8
- and $i3,lr,$s3
ldrb $t2,[$tbl,$t2]
+ and $i2,lr,$s3,lsr#8
ldrb $i1,[$tbl,$i1]
+ and $i3,lr,$s3
ldrb $i2,[$tbl,$i2]
- ldrb $i3,[$tbl,$i3]
- ldr $t1,[$t3],#4 @ rcon[i++]
orr $t2,$t2,$i1,lsl#24
+ ldrb $i3,[$tbl,$i3]
orr $t2,$t2,$i2,lsl#16
+ ldr $t1,[$t3],#4 @ rcon[i++]
orr $t2,$t2,$i3,lsl#8
eor $t2,$t2,$t1
eor $s0,$s0,$t2 @ rk[4]=rk[0]^...
eor $s1,$s1,$s0 @ rk[5]=rk[1]^rk[4]
- eor $s2,$s2,$s1 @ rk[6]=rk[2]^rk[5]
- eor $s3,$s3,$s2 @ rk[7]=rk[3]^rk[6]
str $s0,[$key],#16
+ eor $s2,$s2,$s1 @ rk[6]=rk[2]^rk[5]
str $s1,[$key,#-12]
+ eor $s3,$s3,$s2 @ rk[7]=rk[3]^rk[6]
str $s2,[$key,#-8]
- str $s3,[$key,#-4]
-
subs $rounds,$rounds,#1
+ str $s3,[$key,#-4]
bne .L128_loop
sub r2,$key,#176
b .Ldone
.Lnot128:
+#if __ARM_ARCH__<7
ldrb $i2,[$rounds,#19]
ldrb $t1,[$rounds,#18]
ldrb $t2,[$rounds,#17]
ldrb $t3,[$rounds,#16]
orr $i2,$i2,$t1,lsl#8
- orr $i2,$i2,$t2,lsl#16
- orr $i2,$i2,$t3,lsl#24
ldrb $i3,[$rounds,#23]
+ orr $i2,$i2,$t2,lsl#16
ldrb $t1,[$rounds,#22]
+ orr $i2,$i2,$t3,lsl#24
ldrb $t2,[$rounds,#21]
ldrb $t3,[$rounds,#20]
orr $i3,$i3,$t1,lsl#8
orr $i3,$i3,$t2,lsl#16
+ str $i2,[$key],#8
orr $i3,$i3,$t3,lsl#24
+ str $i3,[$key,#-4]
+#else
+ ldr $i2,[$rounds,#16]
+ ldr $i3,[$rounds,#20]
+#ifdef __ARMEL__
+ rev $i2,$i2
+ rev $i3,$i3
+#endif
str $i2,[$key],#8
str $i3,[$key,#-4]
+#endif
teq lr,#192
bne .Lnot192
.L192_loop:
and $t2,lr,$i3,lsr#24
and $i1,lr,$i3,lsr#16
- and $i2,lr,$i3,lsr#8
- and $i3,lr,$i3
ldrb $t2,[$tbl,$t2]
+ and $i2,lr,$i3,lsr#8
ldrb $i1,[$tbl,$i1]
+ and $i3,lr,$i3
ldrb $i2,[$tbl,$i2]
- ldrb $i3,[$tbl,$i3]
- ldr $t1,[$t3],#4 @ rcon[i++]
orr $t2,$t2,$i1,lsl#24
+ ldrb $i3,[$tbl,$i3]
orr $t2,$t2,$i2,lsl#16
+ ldr $t1,[$t3],#4 @ rcon[i++]
orr $t2,$t2,$i3,lsl#8
eor $i3,$t2,$t1
eor $s0,$s0,$i3 @ rk[6]=rk[0]^...
eor $s1,$s1,$s0 @ rk[7]=rk[1]^rk[6]
- eor $s2,$s2,$s1 @ rk[8]=rk[2]^rk[7]
- eor $s3,$s3,$s2 @ rk[9]=rk[3]^rk[8]
str $s0,[$key],#24
+ eor $s2,$s2,$s1 @ rk[8]=rk[2]^rk[7]
str $s1,[$key,#-20]
+ eor $s3,$s3,$s2 @ rk[9]=rk[3]^rk[8]
str $s2,[$key,#-16]
- str $s3,[$key,#-12]
-
subs $rounds,$rounds,#1
+ str $s3,[$key,#-12]
+#ifdef __thumb2__
+ itt eq @ Thumb2 thing, sanity check in ARM
+#endif
subeq r2,$key,#216
beq .Ldone
b .L192_loop
.Lnot192:
+#if __ARM_ARCH__<7
ldrb $i2,[$rounds,#27]
ldrb $t1,[$rounds,#26]
ldrb $t2,[$rounds,#25]
ldrb $t3,[$rounds,#24]
orr $i2,$i2,$t1,lsl#8
- orr $i2,$i2,$t2,lsl#16
- orr $i2,$i2,$t3,lsl#24
ldrb $i3,[$rounds,#31]
+ orr $i2,$i2,$t2,lsl#16
ldrb $t1,[$rounds,#30]
+ orr $i2,$i2,$t3,lsl#24
ldrb $t2,[$rounds,#29]
ldrb $t3,[$rounds,#28]
orr $i3,$i3,$t1,lsl#8
orr $i3,$i3,$t2,lsl#16
+ str $i2,[$key],#8
orr $i3,$i3,$t3,lsl#24
+ str $i3,[$key,#-4]
+#else
+ ldr $i2,[$rounds,#24]
+ ldr $i3,[$rounds,#28]
+#ifdef __ARMEL__
+ rev $i2,$i2
+ rev $i3,$i3
+#endif
str $i2,[$key],#8
str $i3,[$key,#-4]
+#endif
mov $rounds,#14
str $rounds,[$key,#240-32]
.L256_loop:
and $t2,lr,$i3,lsr#24
and $i1,lr,$i3,lsr#16
- and $i2,lr,$i3,lsr#8
- and $i3,lr,$i3
ldrb $t2,[$tbl,$t2]
+ and $i2,lr,$i3,lsr#8
ldrb $i1,[$tbl,$i1]
+ and $i3,lr,$i3
ldrb $i2,[$tbl,$i2]
- ldrb $i3,[$tbl,$i3]
- ldr $t1,[$t3],#4 @ rcon[i++]
orr $t2,$t2,$i1,lsl#24
+ ldrb $i3,[$tbl,$i3]
orr $t2,$t2,$i2,lsl#16
+ ldr $t1,[$t3],#4 @ rcon[i++]
orr $t2,$t2,$i3,lsl#8
eor $i3,$t2,$t1
eor $s0,$s0,$i3 @ rk[8]=rk[0]^...
eor $s1,$s1,$s0 @ rk[9]=rk[1]^rk[8]
- eor $s2,$s2,$s1 @ rk[10]=rk[2]^rk[9]
- eor $s3,$s3,$s2 @ rk[11]=rk[3]^rk[10]
str $s0,[$key],#32
+ eor $s2,$s2,$s1 @ rk[10]=rk[2]^rk[9]
str $s1,[$key,#-28]
+ eor $s3,$s3,$s2 @ rk[11]=rk[3]^rk[10]
str $s2,[$key,#-24]
- str $s3,[$key,#-20]
-
subs $rounds,$rounds,#1
+ str $s3,[$key,#-20]
+#ifdef __thumb2__
+ itt eq @ Thumb2 thing, sanity check in ARM
+#endif
subeq r2,$key,#256
beq .Ldone
and $t2,lr,$s3
and $i1,lr,$s3,lsr#8
- and $i2,lr,$s3,lsr#16
- and $i3,lr,$s3,lsr#24
ldrb $t2,[$tbl,$t2]
+ and $i2,lr,$s3,lsr#16
ldrb $i1,[$tbl,$i1]
+ and $i3,lr,$s3,lsr#24
ldrb $i2,[$tbl,$i2]
- ldrb $i3,[$tbl,$i3]
orr $t2,$t2,$i1,lsl#8
+ ldrb $i3,[$tbl,$i3]
orr $t2,$t2,$i2,lsl#16
+ ldr $t1,[$key,#-48]
orr $t2,$t2,$i3,lsl#24
- ldr $t1,[$key,#-48]
ldr $i1,[$key,#-44]
ldr $i2,[$key,#-40]
- ldr $i3,[$key,#-36]
eor $t1,$t1,$t2 @ rk[12]=rk[4]^...
+ ldr $i3,[$key,#-36]
eor $i1,$i1,$t1 @ rk[13]=rk[5]^rk[12]
- eor $i2,$i2,$i1 @ rk[14]=rk[6]^rk[13]
- eor $i3,$i3,$i2 @ rk[15]=rk[7]^rk[14]
str $t1,[$key,#-16]
+ eor $i2,$i2,$i1 @ rk[14]=rk[6]^rk[13]
str $i1,[$key,#-12]
+ eor $i3,$i3,$i2 @ rk[15]=rk[7]^rk[14]
str $i2,[$key,#-8]
str $i3,[$key,#-4]
b .L256_loop
+.align 2
.Ldone: mov r0,#0
ldmia sp!,{r4-r12,lr}
-.Labrt: tst lr,#1
+.Labrt:
+#if __ARM_ARCH__>=5
+ ret @ bx lr
+#else
+ tst lr,#1
moveq pc,lr @ be binary compatible with V4, yet
bx lr @ interoperable with Thumb ISA:-)
+#endif
.size AES_set_encrypt_key,.-AES_set_encrypt_key
.global AES_set_decrypt_key
.align 5
AES_set_decrypt_key:
str lr,[sp,#-4]! @ push lr
- bl AES_set_encrypt_key
+ bl _armv4_AES_set_encrypt_key
teq r0,#0
- ldrne lr,[sp],#4 @ pop lr
+ ldr lr,[sp],#4 @ pop lr
bne .Labrt
- stmdb sp!,{r4-r12}
+ mov r0,r2 @ AES_set_encrypt_key preserves r2,
+ mov r1,r2 @ which is AES_KEY *key
+ b _armv4_AES_set_enc2dec_key
+.size AES_set_decrypt_key,.-AES_set_decrypt_key
- ldr $rounds,[r2,#240] @ AES_set_encrypt_key preserves r2,
- mov $key,r2 @ which is AES_KEY *key
- mov $i1,r2
- add $i2,r2,$rounds,lsl#4
+@ void AES_set_enc2dec_key(const AES_KEY *inp,AES_KEY *out)
+.global AES_set_enc2dec_key
+.type AES_set_enc2dec_key,%function
+.align 5
+AES_set_enc2dec_key:
+_armv4_AES_set_enc2dec_key:
+ stmdb sp!,{r4-r12,lr}
+
+ ldr $rounds,[r0,#240]
+ mov $i1,r0 @ input
+ add $i2,r0,$rounds,lsl#4
+ mov $key,r1 @ output
+ add $tbl,r1,$rounds,lsl#4
+ str $rounds,[r1,#240]
+
+.Linv: ldr $s0,[$i1],#16
+ ldr $s1,[$i1,#-12]
+ ldr $s2,[$i1,#-8]
+ ldr $s3,[$i1,#-4]
+ ldr $t1,[$i2],#-16
+ ldr $t2,[$i2,#16+4]
+ ldr $t3,[$i2,#16+8]
+ ldr $i3,[$i2,#16+12]
+ str $s0,[$tbl],#-16
+ str $s1,[$tbl,#16+4]
+ str $s2,[$tbl,#16+8]
+ str $s3,[$tbl,#16+12]
+ str $t1,[$key],#16
+ str $t2,[$key,#-12]
+ str $t3,[$key,#-8]
+ str $i3,[$key,#-4]
+ teq $i1,$i2
+ bne .Linv
-.Linv: ldr $s0,[$i1]
+ ldr $s0,[$i1]
ldr $s1,[$i1,#4]
ldr $s2,[$i1,#8]
ldr $s3,[$i1,#12]
- ldr $t1,[$i2]
- ldr $t2,[$i2,#4]
- ldr $t3,[$i2,#8]
- ldr $i3,[$i2,#12]
- str $s0,[$i2],#-16
- str $s1,[$i2,#16+4]
- str $s2,[$i2,#16+8]
- str $s3,[$i2,#16+12]
- str $t1,[$i1],#16
- str $t2,[$i1,#-12]
- str $t3,[$i1,#-8]
- str $i3,[$i1,#-4]
- teq $i1,$i2
- bne .Linv
+ str $s0,[$key]
+ str $s1,[$key,#4]
+ str $s2,[$key,#8]
+ str $s3,[$key,#12]
+ sub $key,$key,$rounds,lsl#3
___
$mask80=$i1;
$mask1b=$i2;
bne .Lmix
mov r0,#0
+#if __ARM_ARCH__>=5
+ ldmia sp!,{r4-r12,pc}
+#else
ldmia sp!,{r4-r12,lr}
tst lr,#1
moveq pc,lr @ be binary compatible with V4, yet
bx lr @ interoperable with Thumb ISA:-)
-.size AES_set_decrypt_key,.-AES_set_decrypt_key
+#endif
+.size AES_set_enc2dec_key,.-AES_set_enc2dec_key
.type AES_Td,%object
.align 5
.type AES_decrypt,%function
.align 5
AES_decrypt:
+#ifndef __thumb2__
sub r3,pc,#8 @ AES_decrypt
+#else
+ adr r3,.
+#endif
stmdb sp!,{r1,r4-r12,lr}
+#ifdef __APPLE__
+ adr $tbl,AES_Td
+#else
+ sub $tbl,r3,#AES_decrypt-AES_Td @ Td
+#endif
mov $rounds,r0 @ inp
mov $key,r2
- sub $tbl,r3,#AES_decrypt-AES_Td @ Td
-
+#if __ARM_ARCH__<7
ldrb $s0,[$rounds,#3] @ load input data in endian-neutral
ldrb $t1,[$rounds,#2] @ manner...
ldrb $t2,[$rounds,#1]
ldrb $t3,[$rounds,#0]
orr $s0,$s0,$t1,lsl#8
- orr $s0,$s0,$t2,lsl#16
- orr $s0,$s0,$t3,lsl#24
ldrb $s1,[$rounds,#7]
+ orr $s0,$s0,$t2,lsl#16
ldrb $t1,[$rounds,#6]
+ orr $s0,$s0,$t3,lsl#24
ldrb $t2,[$rounds,#5]
ldrb $t3,[$rounds,#4]
orr $s1,$s1,$t1,lsl#8
- orr $s1,$s1,$t2,lsl#16
- orr $s1,$s1,$t3,lsl#24
ldrb $s2,[$rounds,#11]
+ orr $s1,$s1,$t2,lsl#16
ldrb $t1,[$rounds,#10]
+ orr $s1,$s1,$t3,lsl#24
ldrb $t2,[$rounds,#9]
ldrb $t3,[$rounds,#8]
orr $s2,$s2,$t1,lsl#8
- orr $s2,$s2,$t2,lsl#16
- orr $s2,$s2,$t3,lsl#24
ldrb $s3,[$rounds,#15]
+ orr $s2,$s2,$t2,lsl#16
ldrb $t1,[$rounds,#14]
+ orr $s2,$s2,$t3,lsl#24
ldrb $t2,[$rounds,#13]
ldrb $t3,[$rounds,#12]
orr $s3,$s3,$t1,lsl#8
orr $s3,$s3,$t2,lsl#16
orr $s3,$s3,$t3,lsl#24
-
+#else
+ ldr $s0,[$rounds,#0]
+ ldr $s1,[$rounds,#4]
+ ldr $s2,[$rounds,#8]
+ ldr $s3,[$rounds,#12]
+#ifdef __ARMEL__
+ rev $s0,$s0
+ rev $s1,$s1
+ rev $s2,$s2
+ rev $s3,$s3
+#endif
+#endif
bl _armv4_AES_decrypt
ldr $rounds,[sp],#4 @ pop out
+#if __ARM_ARCH__>=7
+#ifdef __ARMEL__
+ rev $s0,$s0
+ rev $s1,$s1
+ rev $s2,$s2
+ rev $s3,$s3
+#endif
+ str $s0,[$rounds,#0]
+ str $s1,[$rounds,#4]
+ str $s2,[$rounds,#8]
+ str $s3,[$rounds,#12]
+#else
mov $t1,$s0,lsr#24 @ write output in endian-neutral
mov $t2,$s0,lsr#16 @ manner...
mov $t3,$s0,lsr#8
strb $t1,[$rounds,#0]
strb $t2,[$rounds,#1]
- strb $t3,[$rounds,#2]
- strb $s0,[$rounds,#3]
mov $t1,$s1,lsr#24
+ strb $t3,[$rounds,#2]
mov $t2,$s1,lsr#16
+ strb $s0,[$rounds,#3]
mov $t3,$s1,lsr#8
strb $t1,[$rounds,#4]
strb $t2,[$rounds,#5]
- strb $t3,[$rounds,#6]
- strb $s1,[$rounds,#7]
mov $t1,$s2,lsr#24
+ strb $t3,[$rounds,#6]
mov $t2,$s2,lsr#16
+ strb $s1,[$rounds,#7]
mov $t3,$s2,lsr#8
strb $t1,[$rounds,#8]
strb $t2,[$rounds,#9]
- strb $t3,[$rounds,#10]
- strb $s2,[$rounds,#11]
mov $t1,$s3,lsr#24
+ strb $t3,[$rounds,#10]
mov $t2,$s3,lsr#16
+ strb $s2,[$rounds,#11]
mov $t3,$s3,lsr#8
strb $t1,[$rounds,#12]
strb $t2,[$rounds,#13]
strb $t3,[$rounds,#14]
strb $s3,[$rounds,#15]
-
+#endif
+#if __ARM_ARCH__>=5
+ ldmia sp!,{r4-r12,pc}
+#else
ldmia sp!,{r4-r12,lr}
tst lr,#1
moveq pc,lr @ be binary compatible with V4, yet
bx lr @ interoperable with Thumb ISA:-)
+#endif
.size AES_decrypt,.-AES_decrypt
.type _armv4_AES_decrypt,%function
.align 2
_armv4_AES_decrypt:
str lr,[sp,#-4]! @ push lr
- ldr $t1,[$key],#16
- ldr $t2,[$key,#-12]
- ldr $t3,[$key,#-8]
- ldr $i1,[$key,#-4]
- ldr $rounds,[$key,#240-16]
+ ldmia $key!,{$t1-$i1}
eor $s0,$s0,$t1
+ ldr $rounds,[$key,#240-16]
eor $s1,$s1,$t2
eor $s2,$s2,$t3
eor $s3,$s3,$i1
sub $rounds,$rounds,#1
mov lr,#255
-.Ldec_loop:
and $i1,lr,$s0,lsr#16
and $i2,lr,$s0,lsr#8
and $i3,lr,$s0
mov $s0,$s0,lsr#24
+.Ldec_loop:
ldr $t1,[$tbl,$i1,lsl#2] @ Td1[s0>>16]
- ldr $s0,[$tbl,$s0,lsl#2] @ Td0[s0>>24]
- ldr $t2,[$tbl,$i2,lsl#2] @ Td2[s0>>8]
- ldr $t3,[$tbl,$i3,lsl#2] @ Td3[s0>>0]
-
and $i1,lr,$s1 @ i0
+ ldr $t2,[$tbl,$i2,lsl#2] @ Td2[s0>>8]
and $i2,lr,$s1,lsr#16
+ ldr $t3,[$tbl,$i3,lsl#2] @ Td3[s0>>0]
and $i3,lr,$s1,lsr#8
+ ldr $s0,[$tbl,$s0,lsl#2] @ Td0[s0>>24]
mov $s1,$s1,lsr#24
+
ldr $i1,[$tbl,$i1,lsl#2] @ Td3[s1>>0]
- ldr $s1,[$tbl,$s1,lsl#2] @ Td0[s1>>24]
ldr $i2,[$tbl,$i2,lsl#2] @ Td1[s1>>16]
ldr $i3,[$tbl,$i3,lsl#2] @ Td2[s1>>8]
eor $s0,$s0,$i1,ror#24
- eor $s1,$s1,$t1,ror#8
- eor $t2,$i2,$t2,ror#8
- eor $t3,$i3,$t3,ror#8
-
+ ldr $s1,[$tbl,$s1,lsl#2] @ Td0[s1>>24]
and $i1,lr,$s2,lsr#8 @ i0
+ eor $t2,$i2,$t2,ror#8
and $i2,lr,$s2 @ i1
+ eor $t3,$i3,$t3,ror#8
and $i3,lr,$s2,lsr#16
- mov $s2,$s2,lsr#24
ldr $i1,[$tbl,$i1,lsl#2] @ Td2[s2>>8]
+ eor $s1,$s1,$t1,ror#8
ldr $i2,[$tbl,$i2,lsl#2] @ Td3[s2>>0]
- ldr $s2,[$tbl,$s2,lsl#2] @ Td0[s2>>24]
+ mov $s2,$s2,lsr#24
+
ldr $i3,[$tbl,$i3,lsl#2] @ Td1[s2>>16]
eor $s0,$s0,$i1,ror#16
- eor $s1,$s1,$i2,ror#24
- eor $s2,$s2,$t2,ror#8
- eor $t3,$i3,$t3,ror#8
-
+ ldr $s2,[$tbl,$s2,lsl#2] @ Td0[s2>>24]
and $i1,lr,$s3,lsr#16 @ i0
+ eor $s1,$s1,$i2,ror#24
and $i2,lr,$s3,lsr#8 @ i1
+ eor $t3,$i3,$t3,ror#8
and $i3,lr,$s3 @ i2
- mov $s3,$s3,lsr#24
ldr $i1,[$tbl,$i1,lsl#2] @ Td1[s3>>16]
+ eor $s2,$s2,$t2,ror#8
ldr $i2,[$tbl,$i2,lsl#2] @ Td2[s3>>8]
+ mov $s3,$s3,lsr#24
+
ldr $i3,[$tbl,$i3,lsl#2] @ Td3[s3>>0]
- ldr $s3,[$tbl,$s3,lsl#2] @ Td0[s3>>24]
eor $s0,$s0,$i1,ror#8
+ ldr $i1,[$key],#16
eor $s1,$s1,$i2,ror#16
+ ldr $s3,[$tbl,$s3,lsl#2] @ Td0[s3>>24]
eor $s2,$s2,$i3,ror#24
- eor $s3,$s3,$t3,ror#8
- ldr $t1,[$key],#16
- ldr $t2,[$key,#-12]
- ldr $t3,[$key,#-8]
- ldr $i1,[$key,#-4]
- eor $s0,$s0,$t1
- eor $s1,$s1,$t2
- eor $s2,$s2,$t3
- eor $s3,$s3,$i1
+ ldr $t1,[$key,#-12]
+ eor $s0,$s0,$i1
+ ldr $t2,[$key,#-8]
+ eor $s3,$s3,$t3,ror#8
+ ldr $t3,[$key,#-4]
+ and $i1,lr,$s0,lsr#16
+ eor $s1,$s1,$t1
+ and $i2,lr,$s0,lsr#8
+ eor $s2,$s2,$t2
+ and $i3,lr,$s0
+ eor $s3,$s3,$t3
+ mov $s0,$s0,lsr#24
subs $rounds,$rounds,#1
bne .Ldec_loop
add $tbl,$tbl,#1024
- ldr $t1,[$tbl,#0] @ prefetch Td4
- ldr $t2,[$tbl,#32]
- ldr $t3,[$tbl,#64]
- ldr $i1,[$tbl,#96]
- ldr $i2,[$tbl,#128]
- ldr $i3,[$tbl,#160]
- ldr $t1,[$tbl,#192]
- ldr $t2,[$tbl,#224]
+ ldr $t2,[$tbl,#0] @ prefetch Td4
+ ldr $t3,[$tbl,#32]
+ ldr $t1,[$tbl,#64]
+ ldr $t2,[$tbl,#96]
+ ldr $t3,[$tbl,#128]
+ ldr $t1,[$tbl,#160]
+ ldr $t2,[$tbl,#192]
+ ldr $t3,[$tbl,#224]
- and $i1,lr,$s0,lsr#16
- and $i2,lr,$s0,lsr#8
- and $i3,lr,$s0
- ldrb $s0,[$tbl,$s0,lsr#24] @ Td4[s0>>24]
+ ldrb $s0,[$tbl,$s0] @ Td4[s0>>24]
ldrb $t1,[$tbl,$i1] @ Td4[s0>>16]
- ldrb $t2,[$tbl,$i2] @ Td4[s0>>8]
- ldrb $t3,[$tbl,$i3] @ Td4[s0>>0]
-
and $i1,lr,$s1 @ i0
+ ldrb $t2,[$tbl,$i2] @ Td4[s0>>8]
and $i2,lr,$s1,lsr#16
+ ldrb $t3,[$tbl,$i3] @ Td4[s0>>0]
and $i3,lr,$s1,lsr#8
+
+ add $s1,$tbl,$s1,lsr#24
ldrb $i1,[$tbl,$i1] @ Td4[s1>>0]
- ldrb $s1,[$tbl,$s1,lsr#24] @ Td4[s1>>24]
+ ldrb $s1,[$s1] @ Td4[s1>>24]
ldrb $i2,[$tbl,$i2] @ Td4[s1>>16]
- ldrb $i3,[$tbl,$i3] @ Td4[s1>>8]
eor $s0,$i1,$s0,lsl#24
+ ldrb $i3,[$tbl,$i3] @ Td4[s1>>8]
eor $s1,$t1,$s1,lsl#8
- eor $t2,$t2,$i2,lsl#8
- eor $t3,$t3,$i3,lsl#8
-
and $i1,lr,$s2,lsr#8 @ i0
+ eor $t2,$t2,$i2,lsl#8
and $i2,lr,$s2 @ i1
- and $i3,lr,$s2,lsr#16
ldrb $i1,[$tbl,$i1] @ Td4[s2>>8]
+ eor $t3,$t3,$i3,lsl#8
ldrb $i2,[$tbl,$i2] @ Td4[s2>>0]
- ldrb $s2,[$tbl,$s2,lsr#24] @ Td4[s2>>24]
- ldrb $i3,[$tbl,$i3] @ Td4[s2>>16]
+ and $i3,lr,$s2,lsr#16
+
+ add $s2,$tbl,$s2,lsr#24
+ ldrb $s2,[$s2] @ Td4[s2>>24]
eor $s0,$s0,$i1,lsl#8
+ ldrb $i3,[$tbl,$i3] @ Td4[s2>>16]
eor $s1,$i2,$s1,lsl#16
- eor $s2,$t2,$s2,lsl#16
- eor $t3,$t3,$i3,lsl#16
-
and $i1,lr,$s3,lsr#16 @ i0
+ eor $s2,$t2,$s2,lsl#16
and $i2,lr,$s3,lsr#8 @ i1
- and $i3,lr,$s3 @ i2
ldrb $i1,[$tbl,$i1] @ Td4[s3>>16]
+ eor $t3,$t3,$i3,lsl#16
ldrb $i2,[$tbl,$i2] @ Td4[s3>>8]
+ and $i3,lr,$s3 @ i2
+
+ add $s3,$tbl,$s3,lsr#24
ldrb $i3,[$tbl,$i3] @ Td4[s3>>0]
- ldrb $s3,[$tbl,$s3,lsr#24] @ Td4[s3>>24]
+ ldrb $s3,[$s3] @ Td4[s3>>24]
eor $s0,$s0,$i1,lsl#16
+ ldr $i1,[$key,#0]
eor $s1,$s1,$i2,lsl#8
+ ldr $t1,[$key,#4]
eor $s2,$i3,$s2,lsl#8
+ ldr $t2,[$key,#8]
eor $s3,$t3,$s3,lsl#24
+ ldr $t3,[$key,#12]
- ldr lr,[sp],#4 @ pop lr
- ldr $t1,[$key,#0]
- ldr $t2,[$key,#4]
- ldr $t3,[$key,#8]
- ldr $i1,[$key,#12]
- eor $s0,$s0,$t1
- eor $s1,$s1,$t2
- eor $s2,$s2,$t3
- eor $s3,$s3,$i1
+ eor $s0,$s0,$i1
+ eor $s1,$s1,$t1
+ eor $s2,$s2,$t2
+ eor $s3,$s3,$t3
sub $tbl,$tbl,#1024
- mov pc,lr @ return
+ ldr pc,[sp],#4 @ pop and return
.size _armv4_AES_decrypt,.-_armv4_AES_decrypt
.asciz "AES for ARMv4, CRYPTOGAMS by <appro\@openssl.org>"
.align 2
___
$code =~ s/\bbx\s+lr\b/.word\t0xe12fff1e/gm; # make it possible to compile with -march=armv4
+$code =~ s/\bret\b/bx\tlr/gm;
+
+open SELF,$0;
+while(<SELF>) {
+ next if (/^#!/);
+ last if (!s/^#/@/ and !/^$/);
+ print;
+}
+close SELF;
+
print $code;
close STDOUT; # enforce flush
projects / openssl.git / blobdiff