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authorAndy Polyakov <appro@openssl.org>2010-01-24 15:54:24 +0100
committerAndy Polyakov <appro@openssl.org>2010-01-24 15:54:24 +0100
commit7676eebf4297c8ccb27a6517eb8529cbd187f17a (patch)
tree8668e00dc37bdb3b027f34331e810578aaf7d02c
parentThe fix for PR#1949 unfortunately broke cases where the BIO_CTRL_WPENDING (diff)
downloadopenssl-7676eebf4297c8ccb27a6517eb8529cbd187f17a.tar.xz
openssl-7676eebf4297c8ccb27a6517eb8529cbd187f17a.zip
OPENSSL_cleanse to accept zero length parameter [matching C implementation].
-rw-r--r--crypto/alphacpuid.s1
-rwxr-xr-xcrypto/perlasm/ppc-xlate.pl7
-rwxr-xr-xcrypto/ppccpuid.pl2
-rw-r--r--crypto/s390xcpuid.S2
-rw-r--r--crypto/sparccpuid.S4
-rw-r--r--crypto/x86_64cpuid.pl4
-rw-r--r--crypto/x86cpuid.pl3
7 files changed, 22 insertions, 1 deletions
diff --git a/crypto/alphacpuid.s b/crypto/alphacpuid.s
index b13b3cdb3c..3fa77a0ade 100644
--- a/crypto/alphacpuid.s
+++ b/crypto/alphacpuid.s
@@ -90,6 +90,7 @@ OPENSSL_rdtsc:
OPENSSL_cleanse:
.frame $30,0,$26
.prologue 0
+ beq $17,.Ldone
and $16,7,$0
bic $17,7,$at
beq $at,.Little
diff --git a/crypto/perlasm/ppc-xlate.pl b/crypto/perlasm/ppc-xlate.pl
index 755524c9cf..4579671c97 100755
--- a/crypto/perlasm/ppc-xlate.pl
+++ b/crypto/perlasm/ppc-xlate.pl
@@ -101,6 +101,13 @@ my $bnelr = sub {
" .long ".sprintf "0x%x",19<<26|$bo<<21|2<<16|16<<1 :
" bclr $bo,2";
};
+my $beqlr = sub {
+ my $f = shift;
+ my $bo = $f=~/-/ ? 12+2 : 12; # optional "not to be taken" hint
+ ($flavour =~ /linux/) ? # GNU as doesn't allow most recent hints
+ " .long ".sprintf "0x%X",19<<26|$bo<<21|2<<16|16<<1 :
+ " bclr $bo,2";
+};
# GNU assembler can't handle extrdi rA,rS,16,48, or when sum of last two
# arguments is 64, with "operand out of range" error.
my $extrdi = sub {
diff --git a/crypto/ppccpuid.pl b/crypto/ppccpuid.pl
index a52a8b38d0..7e8d233b72 100755
--- a/crypto/ppccpuid.pl
+++ b/crypto/ppccpuid.pl
@@ -83,6 +83,8 @@ Loop: lwarx r5,0,r3
$CMPLI r4,7
li r0,0
bge Lot
+ $CMPLI r4,0
+ beqlr-
Little: mtctr r4
stb r0,0(r3)
addi r3,r3,1
diff --git a/crypto/s390xcpuid.S b/crypto/s390xcpuid.S
index aa704c033a..b053c6a281 100644
--- a/crypto/s390xcpuid.S
+++ b/crypto/s390xcpuid.S
@@ -62,6 +62,8 @@ OPENSSL_cleanse:
lghi %r0,0
clgr %r3,%r4
jh .Lot
+ clgr %r3,%r0
+ bcr 8,%r14
.Little:
stc %r0,0(%r2)
la %r2,1(%r2)
diff --git a/crypto/sparccpuid.S b/crypto/sparccpuid.S
index 4691bd72bb..bcf46f209d 100644
--- a/crypto/sparccpuid.S
+++ b/crypto/sparccpuid.S
@@ -242,6 +242,10 @@ OPENSSL_cleanse:
#else
bgu .Lot
#endif
+ cmp %o1,0
+ bne .Little
+ nop
+ retl
nop
.Little:
diff --git a/crypto/x86_64cpuid.pl b/crypto/x86_64cpuid.pl
index 862118f285..a7f98b3fd3 100644
--- a/crypto/x86_64cpuid.pl
+++ b/crypto/x86_64cpuid.pl
@@ -145,12 +145,14 @@ OPENSSL_cleanse:
xor %rax,%rax
cmp \$15,$arg2
jae .Lot
+ cmp \$0,$arg2
+ je .Lret
.Little:
mov %al,($arg1)
sub \$1,$arg2
lea 1($arg1),$arg1
jnz .Little
- ret
+.Lret: ret
.align 16
.Lot:
test \$7,$arg1
diff --git a/crypto/x86cpuid.pl b/crypto/x86cpuid.pl
index e5dcc58124..a7464af19b 100644
--- a/crypto/x86cpuid.pl
+++ b/crypto/x86cpuid.pl
@@ -279,11 +279,14 @@ for (@ARGV) { $sse2=1 if (/-DOPENSSL_IA32_SSE2/); }
&xor ("eax","eax");
&cmp ("ecx",7);
&jae (&label("lot"));
+ &cmp ("ecx",0);
+ &je (&label("ret"));
&set_label("little");
&mov (&BP(0,"edx"),"al");
&sub ("ecx",1);
&lea ("edx",&DWP(1,"edx"));
&jnz (&label("little"));
+&set_label("ret");
&ret ();
&set_label("lot",16);