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hello.s
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hello.s
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.file "hello.c"
.text
.globl fibonacci
.type fibonacci, @function
fibonacci:
.LFB0:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
pushq %rbx
subq $24, %rsp
.cfi_offset 3, -24
movl %edi, -20(%rbp)
cmpl $1, -20(%rbp)
jg .L2
movl $1, %eax
jmp .L3
.L2:
movl -20(%rbp), %eax
subl $1, %eax
movl %eax, %edi
call fibonacci
movl %eax, %ebx
movl -20(%rbp), %eax
subl $2, %eax
movl %eax, %edi
call fibonacci
addl %ebx, %eax
.L3:
addq $24, %rsp
popq %rbx
popq %rbp
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE0:
.size fibonacci, .-fibonacci
.section .rodata
.LC0:
.string "fibonacci(%2d) = %d\n"
.text
.globl main
.type main, @function
main:
.LFB1:
.cfi_startproc
pushq %rbp
.cfi_def_cfa_offset 16
.cfi_offset 6, -16
movq %rsp, %rbp
.cfi_def_cfa_register 6
subq $16, %rsp
movl $0, -4(%rbp)
jmp .L5
.L6:
movl -4(%rbp), %eax
movl %eax, %edi
call fibonacci
movl %eax, %edx
movl -4(%rbp), %eax
movl %eax, %esi
leaq .LC0(%rip), %rdi
movl $0, %eax
call printf@PLT
addl $1, -4(%rbp)
.L5:
cmpl $10, -4(%rbp)
jle .L6
movl $0, %eax
leave
.cfi_def_cfa 7, 8
ret
.cfi_endproc
.LFE1:
.size main, .-main
.ident "GCC: (Ubuntu 7.5.0-3ubuntu1~18.04) 7.5.0"
.section .note.GNU-stack,"",@progbits