summaryrefslogtreecommitdiffstats
path: root/newlib/libc/machine/i386/strlen.S
diff options
context:
space:
mode:
authorChristopher Faylor <me@cgf.cx>2000-02-17 19:39:52 +0000
committerChristopher Faylor <me@cgf.cx>2000-02-17 19:39:52 +0000
commit8a0efa53e44919bcf5ccb1d3353618a82afdf8bc (patch)
tree68c3dbf3f2c6fd5d49777def9914d77b5cd4589d /newlib/libc/machine/i386/strlen.S
parent1fd5e000ace55b323124c7e556a7a864b972a5c4 (diff)
downloadcygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.gz
cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.tar.bz2
cygnal-8a0efa53e44919bcf5ccb1d3353618a82afdf8bc.zip
import newlib-2000-02-17 snapshot
Diffstat (limited to 'newlib/libc/machine/i386/strlen.S')
-rw-r--r--newlib/libc/machine/i386/strlen.S34
1 files changed, 34 insertions, 0 deletions
diff --git a/newlib/libc/machine/i386/strlen.S b/newlib/libc/machine/i386/strlen.S
new file mode 100644
index 000000000..cae390ace
--- /dev/null
+++ b/newlib/libc/machine/i386/strlen.S
@@ -0,0 +1,34 @@
+/*
+ * ====================================================
+ * Copyright (C) 1998 by Cygnus Solutions. All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this
+ * software is freely granted, provided that this notice
+ * is preserved.
+ * ====================================================
+ */
+
+ #include "i386mach.h"
+
+ .global SYM (strlen)
+
+SYM (strlen):
+
+ pushl ebp
+ movl esp,ebp
+ pushl edi
+ movl 8(ebp),edx
+
+ cld
+ movl edx,edi
+ movl $4294967295,ecx
+ xor eax,eax
+ repnz
+ scasb
+ subl edx,edi
+ leal -1(edi),eax
+
+ leal -4(ebp),esp
+ popl edi
+ leave
+ ret