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crypto/x86_64cpuid.pl: add CFI annotations.

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Reviewed-by: Rich Salz <rsalz@openssl.org>
This commit is contained in:
Andy Polyakov 2017-02-25 22:17:21 +01:00
parent fa62bc4661
commit 5e32cfb2b6
1 changed files with 4 additions and 0 deletions
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4
crypto/x86_64cpuid.pl
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@ -63,7 +63,9 @@ OPENSSL_rdtsc:
.type OPENSSL_ia32_cpuid,\@function,1
.align 16
OPENSSL_ia32_cpuid:
.cfi_startproc
mov %rbx,%r8 # save %rbx
.cfi_register %rbx,%r8
xor %eax,%eax
mov %eax,8(%rdi) # clear 3rd word
@ -194,8 +196,10 @@ OPENSSL_ia32_cpuid:
shl \$32,%r9
mov %r10d,%eax
mov %r8,%rbx # restore %rbx
.cfi_restore %rbx
or %r9,%rax
ret
.cfi_endproc
.size OPENSSL_ia32_cpuid,.-OPENSSL_ia32_cpuid
.globl OPENSSL_cleanse