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Add some missing cfi frame info in x86_64-mont5.pl

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Reviewed-by: Kurt Roeckx <kurt@roeckx.be>
(Merged from https://github.com/openssl/openssl/pull/10651)
This commit is contained in:
Bernd Edlinger 2019-12-18 18:35:12 +01:00
parent 4a0b7ffcc0
commit 0190c52ab8
1 changed files with 18 additions and 0 deletions
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18
crypto/bn/asm/x86_64-mont5.pl
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@ -582,6 +582,7 @@ $code.=<<___;
.type mul4x_internal,\@abi-omnipotent
.align 32
mul4x_internal:
.cfi_startproc
shl \$5,$num # $num was in bytes
movd `($win64?56:8)`(%rax),%xmm5 # load 7th argument, index
lea .Linc(%rip),%rax
@ -1076,6 +1077,7 @@ $code.=<<___
___
}
$code.=<<___;
.cfi_endproc
.size mul4x_internal,.-mul4x_internal
___
}}}
@ -1241,6 +1243,7 @@ $code.=<<___;
.align 32
bn_sqr8x_internal:
__bn_sqr8x_internal:
.cfi_startproc
##############################################################
# Squaring part:
#
@ -2032,6 +2035,7 @@ __bn_sqr8x_reduction:
cmp %rdx,$tptr # end of t[]?
jb .L8x_reduction_loop
ret
.cfi_endproc
.size bn_sqr8x_internal,.-bn_sqr8x_internal
___
}
@ -2044,6 +2048,7 @@ $code.=<<___;
.type __bn_post4x_internal,\@abi-omnipotent
.align 32
__bn_post4x_internal:
.cfi_startproc
mov 8*0($nptr),%r12
lea (%rdi,$num),$tptr # %rdi was $tptr above
mov $num,%rcx
@ -2094,6 +2099,7 @@ __bn_post4x_internal:
mov $num,%r10 # prepare for back-to-back call
neg $num # restore $num
ret
.cfi_endproc
.size __bn_post4x_internal,.-__bn_post4x_internal
___
}
@ -2103,10 +2109,12 @@ $code.=<<___;
.type bn_from_montgomery,\@abi-omnipotent
.align 32
bn_from_montgomery:
.cfi_startproc
testl \$7,`($win64?"48(%rsp)":"%r9d")`
jz bn_from_mont8x
xor %eax,%eax
ret
.cfi_endproc
.size bn_from_montgomery,.-bn_from_montgomery
.type bn_from_mont8x,\@function,6
@ -2402,6 +2410,7 @@ bn_mulx4x_mont_gather5:
.type mulx4x_internal,\@abi-omnipotent
.align 32
mulx4x_internal:
.cfi_startproc
mov $num,8(%rsp) # save -$num (it was in bytes)
mov $num,%r10
neg $num # restore $num
@ -2752,6 +2761,7 @@ $code.=<<___;
mov 8*2(%rbp),%r14
mov 8*3(%rbp),%r15
jmp .Lsqrx4x_sub_entry # common post-condition
.cfi_endproc
.size mulx4x_internal,.-mulx4x_internal
___
} {
@ -3557,6 +3567,7 @@ my ($rptr,$nptr)=("%rdx","%rbp");
$code.=<<___;
.align 32
__bn_postx4x_internal:
.cfi_startproc
mov 8*0($nptr),%r12
mov %rcx,%r10 # -$num
mov %rcx,%r9 # -$num
@ -3604,6 +3615,7 @@ __bn_postx4x_internal:
neg %r9 # restore $num
ret
.cfi_endproc
.size __bn_postx4x_internal,.-__bn_postx4x_internal
___
}
@ -3620,6 +3632,7 @@ $code.=<<___;
.type bn_get_bits5,\@abi-omnipotent
.align 16
bn_get_bits5:
.cfi_startproc
lea 0($inp),%r10
lea 1($inp),%r11
mov $num,%ecx
@ -3633,12 +3646,14 @@ bn_get_bits5:
shrl %cl,%eax
and \$31,%eax
ret
.cfi_endproc
.size bn_get_bits5,.-bn_get_bits5
.globl bn_scatter5
.type bn_scatter5,\@abi-omnipotent
.align 16
bn_scatter5:
.cfi_startproc
cmp \$0, $num
jz .Lscatter_epilogue
lea ($tbl,$idx,8),$tbl
@ -3651,6 +3666,7 @@ bn_scatter5:
jnz .Lscatter
.Lscatter_epilogue:
ret
.cfi_endproc
.size bn_scatter5,.-bn_scatter5
.globl bn_gather5
@ -3658,6 +3674,7 @@ bn_scatter5:
.align 32
bn_gather5:
.LSEH_begin_bn_gather5: # Win64 thing, but harmless in other cases
.cfi_startproc
# I can't trust assembler to use specific encoding:-(
.byte 0x4c,0x8d,0x14,0x24 #lea (%rsp),%r10
.byte 0x48,0x81,0xec,0x08,0x01,0x00,0x00 #sub $0x108,%rsp
@ -3742,6 +3759,7 @@ $code.=<<___;
lea (%r10),%rsp
ret
.LSEH_end_bn_gather5:
.cfi_endproc
.size bn_gather5,.-bn_gather5
___
}