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Add CFI directives in aesv8-armx.pl #2634

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109 changes: 109 additions & 0 deletions crypto/fipsmodule/aes/asm/aesv8-armx.pl
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Original file line number Diff line number Diff line change
Expand Up @@ -96,6 +96,7 @@
.type ${prefix}_set_encrypt_key,%function
.align 5
${prefix}_set_encrypt_key:
.cfi_startproc
.Lenc_key:
___
$code.=<<___ if ($flavour =~ /64/);
Expand All @@ -109,7 +110,11 @@
// Armv8.3-A PAuth: even though x30 is pushed to stack it is not popped later.
AARCH64_VALID_CALL_TARGET
stp x29,x30,[sp,#-16]!
.cfi_def_cfa_offset 16
.cfi_offset x29, -16
.cfi_offset x30, -8
add x29,sp,#0
.cfi_def_cfa x29, 16
___
$code.=<<___;
mov $ptr,#-1
Expand Down Expand Up @@ -277,21 +282,32 @@
.Lenc_key_abort:
mov x0,$ptr // return value
`"ldr x29,[sp],#16" if ($flavour =~ /64/)`
`".cfi_restore x29" if ($flavour =~ /64/)`
`".cfi_def_cfa_offset 0" if ($flavour =~ /64/)`
ret
.cfi_endproc
.size ${prefix}_set_encrypt_key,.-${prefix}_set_encrypt_key

.globl ${prefix}_set_decrypt_key
.type ${prefix}_set_decrypt_key,%function
.align 5
${prefix}_set_decrypt_key:
.cfi_startproc
___
$code.=<<___ if ($flavour =~ /64/);
AARCH64_SIGN_LINK_REGISTER
stp x29,x30,[sp,#-16]!
.cfi_def_cfa_offset 16
.cfi_offset x29, -16
.cfi_offset x30, -8
add x29,sp,#0
.cfi_def_cfa x29, 16
___
$code.=<<___ if ($flavour !~ /64/);
stmdb sp!,{r4,lr}
.cfi_def_cfa_offset 8
.cfi_offset r4, -8
.cfi_offset lr, -4
___
$code.=<<___;
bl .Lenc_key
Expand Down Expand Up @@ -327,13 +343,20 @@
___
$code.=<<___ if ($flavour !~ /64/);
ldmia sp!,{r4,pc}
.cfi_restore r4
.cfi_restore lr
.cfi_def_cfa_offset 0
___
$code.=<<___ if ($flavour =~ /64/);
ldp x29,x30,[sp],#16
.cfi_restore x29
.cfi_restore x30
.cfi_def_cfa_offset 0
AARCH64_VALIDATE_LINK_REGISTER
ret
___
$code.=<<___;
.cfi_endproc
.size ${prefix}_set_decrypt_key,.-${prefix}_set_decrypt_key
___
}}}
Expand All @@ -350,6 +373,7 @@ ()
.type ${prefix}_${dir}crypt,%function
.align 5
${prefix}_${dir}crypt:
.cfi_startproc
___
$code.=<<___ if ($flavour =~ /64/);
#ifdef BORINGSSL_DISPATCH_TEST
Expand Down Expand Up @@ -386,6 +410,7 @@ ()

vst1.8 {$inout},[$out]
ret
.cfi_endproc
.size ${prefix}_${dir}crypt,.-${prefix}_${dir}crypt
___
}
Expand All @@ -407,17 +432,38 @@ ()
.type ${prefix}_cbc_encrypt,%function
.align 5
${prefix}_cbc_encrypt:
.cfi_startproc
___
$code.=<<___ if ($flavour =~ /64/);
// Armv8.3-A PAuth: even though x30 is pushed to stack it is not popped later.
AARCH64_VALID_CALL_TARGET
stp x29,x30,[sp,#-16]!
.cfi_def_cfa_offset 16
.cfi_offset x29, -16
.cfi_offset x30, -8
add x29,sp,#0
.cfi_def_cfa x29, 16
___
$code.=<<___ if ($flavour !~ /64/);
mov ip,sp
stmdb sp!,{r4-r8,lr}
.cfi_def_cfa_offset 24
.cfi_offset r4, -24
.cfi_offset r5, -20
.cfi_offset r6, -16
.cfi_offset r7, -12
.cfi_offset r8, -8
.cfi_offset lr, -4
vstmdb sp!,{d8-d15} @ ABI specification says so
.cfi_def_cfa_offset 88
.cfi_offset d8, -88
.cfi_offset d9, -80
.cfi_offset d10, -72
.cfi_offset d11, -64
.cfi_offset d12, -56
.cfi_offset d13, -48
.cfi_offset d14, -40
.cfi_offset d15, -32
ldmia ip,{r4-r5} @ load remaining args
___
$code.=<<___;
Expand Down Expand Up @@ -710,13 +756,32 @@ ()
}
$code.=<<___ if ($flavour !~ /64/);
vldmia sp!,{d8-d15}
.cfi_restore d8
.cfi_restore d9
.cfi_restore d10
.cfi_restore d11
.cfi_restore d12
.cfi_restore d13
.cfi_restore d14
.cfi_restore d15
.cfi_def_cfa_offset 24
ldmia sp!,{r4-r8,pc}
.cfi_restore r4
.cfi_restore r5
.cfi_restore r6
.cfi_restore r7
.cfi_restore r8
.cfi_restore lr
.cfi_def_cfa_offset 0
___
$code.=<<___ if ($flavour =~ /64/);
ldr x29,[sp],#16
.cfi_restore x29
.cfi_def_cfa_offset 0
ret
___
$code.=<<___;
.cfi_endproc
.size ${prefix}_cbc_encrypt,.-${prefix}_cbc_encrypt
___
}}}
Expand All @@ -738,6 +803,7 @@ ()
.type ${prefix}_ctr32_encrypt_blocks,%function
.align 5
${prefix}_ctr32_encrypt_blocks:
.cfi_startproc
___
$code.=<<___ if ($flavour =~ /64/);
#ifdef BORINGSSL_DISPATCH_TEST
Expand All @@ -750,12 +816,34 @@ ()
// Armv8.3-A PAuth: even though x30 is pushed to stack it is not popped later.
AARCH64_VALID_CALL_TARGET
stp x29,x30,[sp,#-16]!
.cfi_def_cfa_offset 16
.cfi_offset x29, -16
.cfi_offset x30, -8
add x29,sp,#0
.cfi_def_cfa x29, 16
___
$code.=<<___ if ($flavour !~ /64/);
mov ip,sp
stmdb sp!,{r4-r10,lr}
.cfi_def_cfa_offset 32
.cfi_offset r4, -32
.cfi_offset r5, -28
.cfi_offset r6, -24
.cfi_offset r7, -20
.cfi_offset r8, -16
.cfi_offset r9, -12
.cfi_offset r10, -8
.cfi_offset lr, -4
vstmdb sp!,{d8-d15} @ ABI specification says so
.cfi_def_cfa_offset 96
.cfi_offset d8, -96
.cfi_offset d9, -88
.cfi_offset d10, -80
.cfi_offset d11, -72
.cfi_offset d12, -64
.cfi_offset d13, -56
.cfi_offset d14, -48
.cfi_offset d15, -40
ldr r4, [ip] @ load remaining arg
___
$code.=<<___;
Expand Down Expand Up @@ -958,13 +1046,34 @@ ()
___
$code.=<<___ if ($flavour !~ /64/);
vldmia sp!,{d8-d15}
.cfi_restore d8
.cfi_restore d9
.cfi_restore d10
.cfi_restore d11
.cfi_restore d12
.cfi_restore d13
.cfi_restore d14
.cfi_restore d15
.cfi_def_cfa_offset 32
ldmia sp!,{r4-r10,pc}
.cfi_restore r4
.cfi_restore r5
.cfi_restore r6
.cfi_restore r7
.cfi_restore r8
.cfi_restore r9
.cfi_restore r10
.cfi_restore lr
.cfi_def_cfa_offset 0
___
$code.=<<___ if ($flavour =~ /64/);
ldr x29,[sp],#16
.cfi_restore x29
.cfi_def_cfa_offset 0
ret
___
$code.=<<___;
.cfi_endproc
.size ${prefix}_ctr32_encrypt_blocks,.-${prefix}_ctr32_encrypt_blocks
___
}}}
Expand Down
37 changes: 37 additions & 0 deletions generated-src/ios-aarch64/crypto/fipsmodule/aesv8-armx.S
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,7 @@ Lrcon:

.align 5
_aes_hw_set_encrypt_key:
.cfi_startproc
Lenc_key:
#ifdef BORINGSSL_DISPATCH_TEST

Expand All @@ -34,7 +35,11 @@ Lenc_key:
// Armv8.3-A PAuth: even though x30 is pushed to stack it is not popped later.
AARCH64_VALID_CALL_TARGET
stp x29,x30,[sp,#-16]!
.cfi_def_cfa_offset 16
.cfi_offset x29, -16
.cfi_offset x30, -8
add x29,sp,#0
.cfi_def_cfa x29, 16
mov x3,#-1
cmp x0,#0
b.eq Lenc_key_abort
Expand Down Expand Up @@ -193,17 +198,25 @@ Ldone:
Lenc_key_abort:
mov x0,x3 // return value
ldr x29,[sp],#16
.cfi_restore x29
.cfi_def_cfa_offset 0
ret
.cfi_endproc


.globl _aes_hw_set_decrypt_key
.private_extern _aes_hw_set_decrypt_key

.align 5
_aes_hw_set_decrypt_key:
.cfi_startproc
AARCH64_SIGN_LINK_REGISTER
stp x29,x30,[sp,#-16]!
.cfi_def_cfa_offset 16
.cfi_offset x29, -16
.cfi_offset x30, -8
add x29,sp,#0
.cfi_def_cfa x29, 16
bl Lenc_key

cmp x0,#0
Expand Down Expand Up @@ -235,14 +248,19 @@ Loop_imc:
eor x0,x0,x0 // return value
Ldec_key_abort:
ldp x29,x30,[sp],#16
.cfi_restore x29
.cfi_restore x30
.cfi_def_cfa_offset 0
AARCH64_VALIDATE_LINK_REGISTER
ret
.cfi_endproc

.globl _aes_hw_encrypt
.private_extern _aes_hw_encrypt

.align 5
_aes_hw_encrypt:
.cfi_startproc
#ifdef BORINGSSL_DISPATCH_TEST

adrp x9,_BORINGSSL_function_hit@PAGE
Expand Down Expand Up @@ -275,12 +293,14 @@ Loop_enc:

st1 {v2.16b},[x1]
ret
.cfi_endproc

.globl _aes_hw_decrypt
.private_extern _aes_hw_decrypt

.align 5
_aes_hw_decrypt:
.cfi_startproc
#ifdef BORINGSSL_DISPATCH_TEST

adrp x9,_BORINGSSL_function_hit@PAGE
Expand Down Expand Up @@ -313,16 +333,22 @@ Loop_dec:

st1 {v2.16b},[x1]
ret
.cfi_endproc

.globl _aes_hw_cbc_encrypt
.private_extern _aes_hw_cbc_encrypt

.align 5
_aes_hw_cbc_encrypt:
.cfi_startproc
// Armv8.3-A PAuth: even though x30 is pushed to stack it is not popped later.
AARCH64_VALID_CALL_TARGET
stp x29,x30,[sp,#-16]!
.cfi_def_cfa_offset 16
.cfi_offset x29, -16
.cfi_offset x30, -8
add x29,sp,#0
.cfi_def_cfa x29, 16
subs x2,x2,#16
mov x8,#16
b.lo Lcbc_abort
Expand Down Expand Up @@ -605,13 +631,17 @@ Lcbc_done:
st1 {v6.16b},[x4]
Lcbc_abort:
ldr x29,[sp],#16
.cfi_restore x29
.cfi_def_cfa_offset 0
ret
.cfi_endproc

.globl _aes_hw_ctr32_encrypt_blocks
.private_extern _aes_hw_ctr32_encrypt_blocks

.align 5
_aes_hw_ctr32_encrypt_blocks:
.cfi_startproc
#ifdef BORINGSSL_DISPATCH_TEST

adrp x9,_BORINGSSL_function_hit@PAGE
Expand All @@ -622,7 +652,11 @@ _aes_hw_ctr32_encrypt_blocks:
// Armv8.3-A PAuth: even though x30 is pushed to stack it is not popped later.
AARCH64_VALID_CALL_TARGET
stp x29,x30,[sp,#-16]!
.cfi_def_cfa_offset 16
.cfi_offset x29, -16
.cfi_offset x30, -8
add x29,sp,#0
.cfi_def_cfa x29, 16
ldr w5,[x3,#240]

ldr w8, [x4, #12]
Expand Down Expand Up @@ -812,7 +846,10 @@ Lctr32_tail:

Lctr32_done:
ldr x29,[sp],#16
.cfi_restore x29
.cfi_def_cfa_offset 0
ret
.cfi_endproc

.globl _aes_hw_xts_encrypt
.private_extern _aes_hw_xts_encrypt
Expand Down
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