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default rel
%define XMMWORD
%define YMMWORD
%define ZMMWORD
section .text code align=64
global CRYPTO_rdrand
ALIGN 16
CRYPTO_rdrand:
mov QWORD[8+rsp],rdi ;WIN64 prologue
mov QWORD[16+rsp],rsi
mov rax,rsp
$L$SEH_begin_CRYPTO_rdrand:
mov rdi,rcx
xor rax,rax
DB 0x48,0x0f,0xc7,0xf1
adc rax,rax
mov QWORD[rdi],rcx
mov rdi,QWORD[8+rsp] ;WIN64 epilogue
mov rsi,QWORD[16+rsp]
DB 0F3h,0C3h ;repret
global CRYPTO_rdrand_multiple8_buf
ALIGN 16
CRYPTO_rdrand_multiple8_buf:
mov QWORD[8+rsp],rdi ;WIN64 prologue
mov QWORD[16+rsp],rsi
mov rax,rsp
$L$SEH_begin_CRYPTO_rdrand_multiple8_buf:
mov rdi,rcx
mov rsi,rdx
test rsi,rsi
jz NEAR $L$out
mov rdx,8
$L$loop:
DB 0x48,0x0f,0xc7,0xf1
jnc NEAR $L$err
mov QWORD[rdi],rcx
add rdi,rdx
sub rsi,rdx
jnz NEAR $L$loop
$L$out:
mov rax,1
mov rdi,QWORD[8+rsp] ;WIN64 epilogue
mov rsi,QWORD[16+rsp]
DB 0F3h,0C3h ;repret
$L$err:
xor rax,rax
mov rdi,QWORD[8+rsp] ;WIN64 epilogue
mov rsi,QWORD[16+rsp]
DB 0F3h,0C3h ;repret
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