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| author | Charles <sircharlesaze@gmail.com> | 2019-11-23 02:54:37 +0100 |
|---|---|---|
| committer | Charles <sircharlesaze@gmail.com> | 2019-11-23 02:54:37 +0100 |
| commit | b4b6364c2fc4b14a0aaac406891c3880243a9733 (patch) | |
| tree | e204b7a7cefd18c764cfbf8adb7f1491b689352c /ft_strlen.s | |
| parent | c90117251f11e03452ae9808ff8626016c7958a1 (diff) | |
| download | libasm-b4b6364c2fc4b14a0aaac406891c3880243a9733.tar.gz libasm-b4b6364c2fc4b14a0aaac406891c3880243a9733.tar.bz2 libasm-b4b6364c2fc4b14a0aaac406891c3880243a9733.zip | |
refactored mandatory functions, to respect c calling convention
Diffstat (limited to 'ft_strlen.s')
| -rw-r--r-- | ft_strlen.s | 13 |
1 files changed, 5 insertions, 8 deletions
diff --git a/ft_strlen.s b/ft_strlen.s index 319a321..41372eb 100644 --- a/ft_strlen.s +++ b/ft_strlen.s @@ -14,12 +14,9 @@ global _ft_strlen ; int ft_strlen(char *); _ft_strlen: - mov rbx, rdi ; str argument - xor rax, rax + mov eax, -1 FT_STRLEN_LOOP: - cmp byte [rbx + rax], 0 ; compare rbx[rax] and '\0' - je FT_STRLEN_RET - inc rax - jmp FT_STRLEN_LOOP - FT_STRLEN_RET: - ret + inc eax + cmp byte [rdi + rax], 0 ; compare rbx[rax] and '\0' + jne FT_STRLEN_LOOP + ret |