generic-library/openssl
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

cmll-x86_64.pl: Win64 SEH section to handle pushf/popf in CBC routine.

Browse Source
This commit is contained in:
Andy Polyakov 2008-12-22 14:15:11 +00:00
parent 9f03d0fc04
commit ea4d5005d9
1 changed files with 23 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

23
crypto/camellia/asm/cmll-x86_64.pl
View File

@ -742,12 +742,14 @@ Camellia_cbc_encrypt:
mov %rax,8+$ivec
mov %rax,$_res
.Lcbc_enc_pushf:
pushfq
cld
mov $inp,%rsi
lea $ivec,%rdi
.long 0x9066A4F3 # rep movsb
popfq
.Lcbc_enc_popf:
lea $ivec,$inp
lea 16+$ivec,%rax
@ -830,12 +832,14 @@ Camellia_cbc_encrypt:
mov @S[2],8+$ivec
mov @S[3],12+$ivec
.Lcbc_dec_pushf:
pushfq
cld
lea $ivec,%rsi
lea ($out),%rdi
.long 0x9066A4F3 # rep movsb
popfq
.Lcbc_dec_popf:
mov %rax,(%rdx) # write out IV residue
mov %rbx,8(%rdx)
@ -954,6 +958,25 @@ cbc_se_handler:
cmp %r10,%rbx # context->Rip>=.Lcbc_abort
jae .Lin_cbc_prologue
# handle pushf/popf in Camellia_cbc_encrypt
lea .Lcbc_enc_pushf(%rip),%r10
cmp %r10,%rbx # context->Rip<=.Lcbc_enc_pushf
jbe .Lin_cbc_no_flag
lea 8(%rax),%rax
lea .Lcbc_enc_popf(%rip),%r10
cmp %r10,%rbx # context->Rip<.Lcbc_enc_popf
jb .Lin_cbc_no_flag
lea -8(%rax),%rax
lea .Lcbc_dec_pushf(%rip),%r10
cmp %r10,%rbx # context->Rip<=.Lcbc_dec_pushf
jbe .Lin_cbc_no_flag
lea 8(%rax),%rax
lea .Lcbc_dec_popf(%rip),%r10
cmp %r10,%rbx # context->Rip<.Lcbc_dec_popf
jb .Lin_cbc_no_flag
lea -8(%rax),%rax
.Lin_cbc_no_flag:
mov 48(%rax),%rax # $_rsp
lea 48(%rax),%rax