lea _mTransitionEnd(%rip), %rax # rax <- end of transition code\r
sub %rsi, %rax # rax <- The size of transition piece code\r
add $4, %rax # round rax up to the next 4 byte boundary\r
- and $0x0fffffffc, %rax\r
+ and $0xfc, %al\r
sub %rax, %rdi # rdi <- use stack to hold transition code \r
mov %edi, %r10d # r10 <- The start address of transicition code below 4G\r
push %rcx # save rcx to stack\r
push %rsi # push Context1\r
callq *%rbx # transfer control to EntryPoint\r
jmp . # no one should get here\r
-\r_mTransitionEnd :\r
+\r
+_mTransitionEnd :\r
lea rax, mTransitionEnd ; rax <- end of transition code\r
sub rax, rsi ; rax <- The size of transition piece code \r
add rax, 4 ; Round RAX up to the next 4 byte boundary\r
- and rax, 0fffffffch\r
+ and al, 0fch\r
sub rdi, rax ; rdi <- Use stack to hold transition code\r
mov r10d, edi ; r10 <- The start address of transicition code below 4G\r
push rcx ; save rcx to stack\r