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Save/restore ebx in functions where we modify it

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- amend the PIC patch for iaesx86.s to also save/restore ebx in the
  functions where we modify it
This commit is contained in:
Nalin Dahyabhai 2014-01-09 11:02:26 -05:00
parent 75edc7c7ca
commit 8a1df153c6
2 changed files with 38 additions and 2 deletions
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36
krb5-1.12-pic-aes-ni.patch
View File

@ -8,7 +8,13 @@
align 16
key_expansion256:
@@ -318,7 +319,12 @@ _iEncExpandKey128:
@@ -318,12 +319,18 @@ _iEncExpandKey128:
mov ecx,[esp-4+8] ;input
mov edx,[esp-4+12] ;ctx
+ push ebx
movdqu xmm1, [ecx] ; loading the key
movdqu [edx], xmm1
@ -22,7 +28,24 @@
add edx,16
@@ -421,7 +430,12 @@ _iEncExpandKey256:
@@ -348,6 +355,8 @@ _iEncExpandKey128:
aeskeygenassist xmm2, xmm1, 0x36 ; Generating round key 10
call key_expansion128
+ pop ebx
+
ret
@@ -412,6 +421,7 @@ global _iEncExpandKey256
_iEncExpandKey256:
mov ecx, [esp-4+8] ;input
mov edx, [esp-4+12] ;expanded key
+ push ebx
movdqu xmm1, [ecx] ; loading the key
@@ -421,7 +431,12 @@ _iEncExpandKey256:
add edx,32
@ -36,3 +59,12 @@
aeskeygenassist xmm2, xmm3, 0x1 ;
call key_expansion256
@@ -452,6 +467,8 @@ _iEncExpandKey256:
movdqu [edx], xmm1
+ pop ebx
+
ret

4
krb5.spec
View File

@ -978,6 +978,10 @@ exit 0
%{_sbindir}/uuserver
%changelog
* Thu Jan 9 2014 Nalin Dahyabhai <nalin@redhat.com>
- amend the PIC patch for iaesx86.s to also save/restore ebx in the
functions where we modify it
* Mon Jan 6 2014 Nalin Dahyabhai <nalin@redhat.com> - 1.12-9
- grab a more-commented version of the most recent patch from upstream
master