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modes/asm/*-x86_64.pl: add CFI annotations.

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Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Andy Polyakov 2017-02-11 22:08:12 +01:00
parent 4fd7b54dc2
commit 5c72e5ea7a
2 changed files with 61 additions and 0 deletions
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32
crypto/modes/asm/aesni-gcm-x86_64.pl
View File

@ -424,6 +424,7 @@ $code.=<<___;
.type aesni_gcm_decrypt,\@function,6
.align 32
aesni_gcm_decrypt:
.cfi_startproc
xor $ret,$ret
# We call |_aesni_ctr32_ghash_6x|, which requires at least 96 (0x60)
@ -432,12 +433,19 @@ aesni_gcm_decrypt:
jb .Lgcm_dec_abort
lea (%rsp),%rax # save stack pointer
.cfi_def_cfa_register %rax
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
___
$code.=<<___ if ($win64);
lea -0xa8(%rsp),%rsp
@ -537,15 +545,23 @@ $code.=<<___ if ($win64);
___
$code.=<<___;
mov -48(%rax),%r15
.cfi_restore %r15
mov -40(%rax),%r14
.cfi_restore %r14
mov -32(%rax),%r13
.cfi_restore %r13
mov -24(%rax),%r12
.cfi_restore %r12
mov -16(%rax),%rbp
.cfi_restore %rbp
mov -8(%rax),%rbx
.cfi_restore %rbx
lea (%rax),%rsp # restore %rsp
.cfi_def_cfa_register %rsp
.Lgcm_dec_abort:
mov $ret,%rax # return value
ret
.cfi_endproc
.size aesni_gcm_decrypt,.-aesni_gcm_decrypt
___
@ -645,6 +661,7 @@ _aesni_ctr32_6x:
.type aesni_gcm_encrypt,\@function,6
.align 32
aesni_gcm_encrypt:
.cfi_startproc
xor $ret,$ret
# We call |_aesni_ctr32_6x| twice, each call consuming 96 bytes of
@ -654,12 +671,19 @@ aesni_gcm_encrypt:
jb .Lgcm_enc_abort
lea (%rsp),%rax # save stack pointer
.cfi_def_cfa_register %rax
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
___
$code.=<<___ if ($win64);
lea -0xa8(%rsp),%rsp
@ -931,15 +955,23 @@ $code.=<<___ if ($win64);
___
$code.=<<___;
mov -48(%rax),%r15
.cfi_restore %r15
mov -40(%rax),%r14
.cfi_restore %r14
mov -32(%rax),%r13
.cfi_restore %r13
mov -24(%rax),%r12
.cfi_restore %r12
mov -16(%rax),%rbp
.cfi_restore %rbp
mov -8(%rax),%rbx
.cfi_restore %rbx
lea (%rax),%rsp # restore %rsp
.cfi_def_cfa_register %rsp
.Lgcm_enc_abort:
mov $ret,%rax # return value
ret
.cfi_endproc
.size aesni_gcm_encrypt,.-aesni_gcm_encrypt
___

29
crypto/modes/asm/ghash-x86_64.pl
View File

@ -236,13 +236,21 @@ $code=<<___;
.type gcm_gmult_4bit,\@function,2
.align 16
gcm_gmult_4bit:
.cfi_startproc
push %rbx
.cfi_push %rbx
push %rbp # %rbp and others are pushed exclusively in
.cfi_push %rbp
push %r12 # order to reuse Win64 exception handler...
.cfi_push %r12
push %r13
.cfi_push %r13
push %r14
.cfi_push %r14
push %r15
.cfi_push %r15
sub \$280,%rsp
.cfi_adjust_cfa_offset 280
.Lgmult_prologue:
movzb 15($Xi),$Zlo
@ -254,10 +262,14 @@ $code.=<<___;
mov $Zhi,($Xi)
lea 280+48(%rsp),%rsi
.cfi_def_cfa %rsi,8
mov -8(%rsi),%rbx
.cfi_restore %rbx
lea (%rsi),%rsp
.cfi_def_cfa_register %rsp
.Lgmult_epilogue:
ret
.cfi_endproc
.size gcm_gmult_4bit,.-gcm_gmult_4bit
___
@ -271,13 +283,21 @@ $code.=<<___;
.type gcm_ghash_4bit,\@function,4
.align 16
gcm_ghash_4bit:
.cfi_startproc
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 \$280,%rsp
.cfi_adjust_cfa_offset 280
.Lghash_prologue:
mov $inp,%r14 # reassign couple of args
mov $len,%r15
@ -406,15 +426,24 @@ $code.=<<___;
mov $Zhi,($Xi)
lea 280+48(%rsp),%rsi
.cfi_def_cfa %rsi,8
mov -48(%rsi),%r15
.cfi_restore %r15
mov -40(%rsi),%r14
.cfi_restore %r14
mov -32(%rsi),%r13
.cfi_restore %r13
mov -24(%rsi),%r12
.cfi_restore %r12
mov -16(%rsi),%rbp
.cfi_restore %rbp
mov -8(%rsi),%rbx
.cfi_restore %rbx
lea 0(%rsi),%rsp
.cfi_def_cfa_register %rsp
.Lghash_epilogue:
ret
.cfi_endproc
.size gcm_ghash_4bit,.-gcm_ghash_4bit
___