FreeCalypso > hg > freecalypso-tools
view target-utils/libc/strlen.S @ 96:d8d03dafb9c0
target-utils/libc: strtol and strtoul added from 4.4BSD with simplification
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Mon, 31 Oct 2016 23:35:48 +0000 |
parents | 3670e7768ab6 |
children |
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.text .code 32 .globl strlen strlen: mov r1, r0 1: ldrb r2, [r0], #1 cmn r2, #0 bne 1b sbc r0, r0, r1 bx lr