{md5,rc4}/asm/*-x86_64.pl: add CFI annotations.

[openssl.git] / crypto / rc4 / asm / rc4-md5-x86_64.pl

diff --git a/crypto/rc4/asm/rc4-md5-x86_64.pl b/crypto/rc4/asm/rc4-md5-x86_64.pl
index 0e04df67b213a948232949b03c8a87ca89bc9d68..74e5191051eb7b7b52d95f85bcf05b8a2f9556cc 100644 (file)
--- a/crypto/rc4/asm/rc4-md5-x86_64.pl
+++ b/crypto/rc4/asm/rc4-md5-x86_64.pl
@@ -1,4 +1,11 @@
-#!/usr/bin/env perl
+#! /usr/bin/env perl
+# Copyright 2011-2016 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@openssl.org> for the OpenSSL
@@ -29,19 +36,22 @@
 # Core2                6.5     5.8     12.3    7.7     +60%
 # Westmere     4.3     5.2     9.5     7.0     +36%
 # Sandy Bridge 4.2     5.5     9.7     6.8     +43%
+# Ivy Bridge   4.1     5.2     9.3     6.0     +54%
+# Haswell      4.0     5.0     9.0     5.7     +60%
+# Skylake      6.3(**) 5.0     11.3    5.3     +110%
 # Atom         9.3     6.5     15.8    11.1    +42%
 # VIA Nano     6.3     5.4     11.7    8.6     +37%
-# Ivy Bridge   4.1     5.2     9.3     6.0     +54%
 # Bulldozer    4.5     5.4     9.9     7.7     +29%
 #
 # (*)  rc4-x86_64.pl delivers 5.3 on Opteron, so real improvement
 #      is +53%...
+# (**) unidentified anomaly;
 
 my ($rc4,$md5)=(1,1);  # what to generate?
 my $D="#" if (!$md5);  # if set to "#", MD5 is stitched into RC4(),
                        # but its result is discarded. Idea here is
                        # to be able to use 'openssl speed rc4' for
-                       # benchmarking the stitched subroutine... 
+                       # benchmarking the stitched subroutine...
 
 my $flavour = shift;
 my $output  = shift;
@@ -54,7 +64,8 @@ $0 =~ m/(.*[\/\\])[^\/\\]+$/; my $dir=$1; my $xlate;
 ( $xlate="${dir}../../perlasm/x86_64-xlate.pl" and -f $xlate) or
 die "can't locate x86_64-xlate.pl";
 
-open STDOUT,"| \"$^X\" $xlate $flavour $output";
+open OUT,"| \"$^X\" \"$xlate\" $flavour \"$output\"";
+*STDOUT=*OUT;
 
 my ($dat,$in0,$out,$ctx,$inp,$len, $func,$nargs);
 
@@ -113,15 +124,23 @@ $code.=<<___;
 .globl $func
 .type  $func,\@function,$nargs
 $func:
+.cfi_startproc
        cmp     \$0,$len
        je      .Labort
        push    %rbx
+.cfi_push      %rbx
        push    %rbp
+.cfi_push      %rbp
        push    %r12
+.cfi_push      %r12
        push    %r13
+.cfi_push      %r13
        push    %r14
+.cfi_push      %r14
        push    %r15
+.cfi_push      %r15
        sub     \$40,%rsp
+.cfi_adjust_cfa_offset 40
 .Lbody:
 ___
 if ($rc4) {
@@ -408,7 +427,7 @@ $code.=<<___ if ($rc4 && (!$md5 || $D));
        and     \$63,$len               # remaining bytes
        jnz     .Loop1
        jmp     .Ldone
-       
+
 .align 16
 .Loop1:
        add     $TX[0]#b,$YY#b
@@ -433,15 +452,23 @@ $code.=<<___;
 #rc4#  movl    $YY#d,-4($dat)
 
        mov     40(%rsp),%r15
+.cfi_restore   %r15
        mov     48(%rsp),%r14
+.cfi_restore   %r14
        mov     56(%rsp),%r13
+.cfi_restore   %r13
        mov     64(%rsp),%r12
+.cfi_restore   %r12
        mov     72(%rsp),%rbp
+.cfi_restore   %rbp
        mov     80(%rsp),%rbx
+.cfi_restore   %rbx
        lea     88(%rsp),%rsp
+.cfi_adjust_cfa_offset -88
 .Lepilogue:
 .Labort:
        ret
+.cfi_endproc
 .size $func,.-$func
 ___