diff options
Diffstat (limited to 'ft_list_remove_if.s')
| -rw-r--r-- | ft_list_remove_if.s | 88 |
1 files changed, 62 insertions, 26 deletions
diff --git a/ft_list_remove_if.s b/ft_list_remove_if.s index 9ae6ba5..40e2415 100644 --- a/ft_list_remove_if.s +++ b/ft_list_remove_if.s @@ -10,49 +10,85 @@ ; ; ; **************************************************************************** ; -global _ft_list_remove_if +global ft_list_remove_if + +extern _free + +%define NULL 0x0 + +%macro EXTERN_FUNCTION_SAVE 0 + push rdi + push rsi + push rdx + push rcx +%endmacro + +%macro EXTERN_FUNCTION_SAVE_END 0 + pop rcx + pop rdx + pop rsi + pop rdi +%endmacro ; ft_list_remove_if(t_list **begin_list, void *data_ref, -; int (*cmp)(), void (*free_fct)(void *)) +; int (*cmp)(void *data, void *data_ref), +; void (*free_fct)(void *)) +ft_list_remove_if: + ; t_list *saved_next -_ft_list_remove_if: + ; === prolog === + push rbp + mov rbp, rsp sub rsp, 8 - cmp rdi, 0x0 + ; === base condition === + cmp rdi, NULL je FT_LIST_REMOVE_IF_END - cmp [rdi], 0x0 + cmp qword [rdi], NULL je FT_LIST_REMOVE_IF_END - push rdi - mov rdi, [rdi] + 8 ;&(*begin_list)->val - call rdx - pop rdi - cmp rax, 0x0 + ; === compare (*begin_list)->data and data_ref + EXTERN_FUNCTION_SAVE + mov rdi, [rdi] + mov rdi, [rdi + 0] + call rdx ; cmp((*begin_list)->data, data_ref) + EXTERN_FUNCTION_SAVE_END + cmp rax, 0 je FT_LIST_REMOVE_IF_REMOVE - - mov rdi, [rdi] + 8 - call _ft_list_remove_if - add rsp, 8 - ret - -FT_LIST_REMOVE_IF_REMOVE: - mov [rsp], [rdi] + 8 ; saved_next = (*begin_list)->next - + ; === next element === push rdi - mov rdi, [[rdi]] - call rcx ; free_fct((*begin_list)->data) + mov rdi, [rdi] + lea rdi, [rdi + 8] + call ft_list_remove_if pop rdi + jmp FT_LIST_REMOVE_IF_END - push rdi + ; === remove head and go next === +FT_LIST_REMOVE_IF_REMOVE: + mov rax, [rdi] ; rax = *begin_list + mov rax, [rax + 8] ; rax = rax->next + mov [rbp - 8], rax ; saved_next = (*begin_list)->next + + push rdi ; strange behavior + EXTERN_FUNCTION_SAVE mov rdi, [rdi] - call _free ; free(*begin_list) + mov rdi, [rdi + 0] + call rcx ; free_fct((*begin_list)->data) + EXTERN_FUNCTION_SAVE_END pop rdi - mov [rdi], [rsp] ; *begin_list = saved_next + EXTERN_FUNCTION_SAVE + mov rdi, [rdi] + call _free ; free(*begin_list) + EXTERN_FUNCTION_SAVE_END - call _ft_list_remove_if + mov rax, [rbp - 8] + mov [rdi], rax + call ft_list_remove_if FT_LIST_REMOVE_IF_END: - add rsp, 8 + ; === epilog === + mov rsp, rbp + pop rbp ret |