diff options
| author | Samuel Neves <sneves@dei.uc.pt> | 2018-11-17 10:57:00 +0000 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2018-11-17 03:01:30 -0800 |
| commit | 872835fc9ca5e2939291fa2d40a4ff2fd021a51e (patch) | |
| tree | 9af5bea23ced4b3c9560adf1e3fc3cd42477826c /src | |
| parent | 618b0bc6a9de77f98b8f052aac1844198a739bdc (diff) | |
poly1305: make frame pointers for auxiliary calls
Signed-off-by: Samuel Neves <sneves@dei.uc.pt>
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/crypto/zinc/poly1305/poly1305-x86_64.pl | 74 |
1 files changed, 43 insertions, 31 deletions
diff --git a/src/crypto/zinc/poly1305/poly1305-x86_64.pl b/src/crypto/zinc/poly1305/poly1305-x86_64.pl index b7bf7e3..b081159 100644 --- a/src/crypto/zinc/poly1305/poly1305-x86_64.pl +++ b/src/crypto/zinc/poly1305/poly1305-x86_64.pl @@ -437,6 +437,8 @@ $code.=<<___; .type __poly1305_init_avx,\@abi-omnipotent .align 32 __poly1305_init_avx: + push %rbp + mov %rsp,%rbp mov $r0,$h0 mov $r1,$h1 xor $h2,$h2 @@ -593,6 +595,7 @@ __poly1305_init_avx: mov $d1#d,`16*8+8-64`($ctx) lea -48-64($ctx),$ctx # size [de-]optimization + pop %rbp ret .size __poly1305_init_avx,.-__poly1305_init_avx ___ @@ -618,6 +621,9 @@ $code.=<<___; test \$31,$len jz .Leven_avx + push %rbp +.cfi_push %rbp + mov %rsp,%rbp push %rbx .cfi_push %rbx push %r12 @@ -729,18 +735,18 @@ $code.=<<___; mov $h2#d,16($ctx) .align 16 .Ldone_avx: - mov 0(%rsp),%r15 + pop %r15 .cfi_restore %r15 - mov 8(%rsp),%r14 + pop %r14 .cfi_restore %r14 - mov 16(%rsp),%r13 + pop %r13 .cfi_restore %r13 - mov 24(%rsp),%r12 + pop %r12 .cfi_restore %r12 - mov 32(%rsp),%rbx + pop %rbx .cfi_restore %rbx - lea 40(%rsp),%rsp -.cfi_adjust_cfa_offset -40 + pop %rbp +.cfi_restore %rbp .Lno_data_avx: .Lblocks_avx_epilogue: ret @@ -749,6 +755,9 @@ $code.=<<___; .align 32 .Lbase2_64_avx: .cfi_startproc + push %rbp +.cfi_push %rbp + mov %rsp,%rbp push %rbx .cfi_push %rbx push %r12 @@ -816,20 +825,18 @@ $code.=<<___; .Lproceed_avx: mov %r15,$len - - mov 0(%rsp),%r15 + pop %r15 .cfi_restore %r15 - mov 8(%rsp),%r14 + pop %r14 .cfi_restore %r14 - mov 16(%rsp),%r13 + pop %r13 .cfi_restore %r13 - mov 24(%rsp),%r12 + pop %r12 .cfi_restore %r12 - mov 32(%rsp),%rbx + pop %rbx .cfi_restore %rbx - lea 40(%rsp),%rax - lea 40(%rsp),%rsp -.cfi_adjust_cfa_offset -40 + pop %rbp +.cfi_restore %rbp .Lbase2_64_avx_epilogue: jmp .Ldo_avx .cfi_endproc @@ -1545,6 +1552,9 @@ $code.=<<___; test \$63,$len jz .Leven_avx2$suffix + push %rbp +.cfi_push %rbp + mov %rsp,%rbp push %rbx .cfi_push %rbx push %r12 @@ -1662,18 +1672,18 @@ $code.=<<___; mov $h2#d,16($ctx) .align 16 .Ldone_avx2$suffix: - mov 0(%rsp),%r15 + pop %r15 .cfi_restore %r15 - mov 8(%rsp),%r14 + pop %r14 .cfi_restore %r14 - mov 16(%rsp),%r13 + pop %r13 .cfi_restore %r13 - mov 24(%rsp),%r12 + pop %r12 .cfi_restore %r12 - mov 32(%rsp),%rbx + pop %rbx .cfi_restore %rbx - lea 40(%rsp),%rsp -.cfi_adjust_cfa_offset -40 + pop %rbp +.cfi_restore %rbp .Lno_data_avx2$suffix: .Lblocks_avx2_epilogue$suffix: ret @@ -1682,6 +1692,9 @@ $code.=<<___; .align 32 .Lbase2_64_avx2$suffix: .cfi_startproc + push %rbp +.cfi_push %rbp + mov %rsp,%rbp push %rbx .cfi_push %rbx push %r12 @@ -1760,19 +1773,18 @@ $code.=<<___ if (!$kernel); mov \$`(1<<31|1<<30|1<<16)`,%r11d ___ $code.=<<___; - mov 0(%rsp),%r15 + pop %r15 .cfi_restore %r15 - mov 8(%rsp),%r14 + pop %r14 .cfi_restore %r14 - mov 16(%rsp),%r13 + pop %r13 .cfi_restore %r13 - mov 24(%rsp),%r12 + pop %r12 .cfi_restore %r12 - mov 32(%rsp),%rbx + pop %rbx .cfi_restore %rbx - lea 40(%rsp),%rax - lea 40(%rsp),%rsp -.cfi_adjust_cfa_offset -40 + pop %rbp +.cfi_restore %rbp .Lbase2_64_avx2_epilogue$suffix: jmp .Ldo_avx2$suffix .cfi_endproc |