60 lines
853 B
ArmAsm
60 lines
853 B
ArmAsm
global ft_list_remove_if
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extern free
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ft_list_remove_if:
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push rbx ; push callee saved registers
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push r12
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push r13
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push r14
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push r15
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push rsi
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mov r14, rdx ; save cmp func
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mov r15, rcx ; save free func
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mov r13, rdi ; save begin_list
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mov rbx, 0 ; prev = null
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mov r12, [r13] ; curr = *begin_list
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.loop:
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cmp r12, 0
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je .done
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mov rdi, [r12]
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pop rsi
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push rsi
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call r14
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cmp rax, 0
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jne .next
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cmp rbx, 0
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je .first_elem
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mov rdi, [r12]
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call r15
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mov rax, [r12 + 8]
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mov [rbx + 8], rax
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mov rdi, r12
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call free WRT ..plt
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mov r12, [rbx + 8]
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jmp .loop
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.first_elem:
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mov rdi, [r12]
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call r15
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mov rax, [r12 + 8]
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mov [r13], rax
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mov rdi, r12
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call free WRT ..plt
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mov r12, [r13]
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jmp .loop
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.next:
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mov rbx, r12 ; prev = curr
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mov r12, [r12 + 8] ; curr = curr->next
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jmp .loop
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.done:
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pop rsi
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pop r15
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pop r14
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pop r13
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pop r12
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pop rbx
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ret
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