次のコードがあります。誰かが私が括弧内に持っている質問を説明してもらえますか?
# Execution begins at address 0 (why?)
.pos 0
irmovq stack, %rsp # Set up stack pointer (how can i move the word "stack" in rsp)
call main # Execute main program
halt # Terminate program
# Sample linked list (what is the purpose of .align 8?)
.align 8
ele1:
.quad 0x00a
.quad ele2
ele2:
.quad 0x0b0
.quad ele3
ele3:
.quad 0xc00
.quad 0
main:
irmovq ele1,%rdi
call sum
ret
sum:
# Stack starts here and grows to lower addresses
.pos 0x100
stack: