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| author | faissaloo <faissaloo@gmail.com> | 2016-07-24 11:51:04 +0100 |
|---|---|---|
| committer | faissaloo <faissaloo@gmail.com> | 2016-07-24 11:51:04 +0100 |
| commit | 0b8b4c47a55e647932edc89d994483a56eb22291 (patch) | |
| tree | 7f33e43114072fe0c53b50551a8ba29375e9cb6a | |
| parent | 5de12284461b784dac2e5c074909265183d4ef75 (diff) | |
| download | dbsh-0b8b4c47a55e647932edc89d994483a56eb22291.tar.gz | |
We can zero the buffer faster now
| -rwxr-xr-x | sh | bin | 1704 -> 1688 bytes | |||
| -rw-r--r-- | sh.asm | 15 |
2 files changed, 7 insertions, 8 deletions
| Binary files differ @@ -71,7 +71,6 @@ _read_loop: mov rdx, prompt_str_len syscall - mov r8, -0x1 call _bzero _read_loopr: @@ -138,7 +137,6 @@ _parse_path: test rax, rax ;check if rax is 0 jl _quit - mov r8, -0x1 call _bzero _parse_path2: @@ -191,13 +189,15 @@ _pathender1: jmp _pathender ;Writes 0s in buffer r15 until r8 is 255 -;input: r8 (iterator), r15 (buffer), r12 (return address) +;input: r15 (buffer) ;output: none _bzero: - inc r8 - mov byte [r8+r15], 0x0 - cmp r8, 0xff - jle _bzero + xor r8, r8 + _bzero_main: + movups [r15+r8], xmm0 + add r8, 16 + cmp r8, 0xff + jl _bzero_main ret ;input: r15 (buffer) @@ -360,7 +360,6 @@ _treg: cmp r8, 0xff jg _boe xchg r15, rbx - mov r8, -0x1 call _bzero _jrsinc: |
