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author | 2007-05-04 21:44:07 +0000 | |
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committer | 2007-05-04 21:44:07 +0000 | |
commit | 463038c39c956dbb499fc472051ef5a8beeea47c (patch) | |
tree | 816ea8e071dccb73e57615bab9e565c7874696a2 /sys/lib/libkern/arch/amd64/strcat.S | |
parent | warren zevon's death (diff) | |
download | wireguard-openbsd-463038c39c956dbb499fc472051ef5a8beeea47c.tar.xz wireguard-openbsd-463038c39c956dbb499fc472051ef5a8beeea47c.zip |
remove strcpy and strcat from the kernel; they are dead and unused code.
(OpenBSD does not use strcat/strcpy in the kernel, if people do it in
external modules they should update their code)
ok deraadt@
Diffstat (limited to 'sys/lib/libkern/arch/amd64/strcat.S')
-rw-r--r-- | sys/lib/libkern/arch/amd64/strcat.S | 65 |
1 files changed, 0 insertions, 65 deletions
diff --git a/sys/lib/libkern/arch/amd64/strcat.S b/sys/lib/libkern/arch/amd64/strcat.S deleted file mode 100644 index 7dc71244312..00000000000 --- a/sys/lib/libkern/arch/amd64/strcat.S +++ /dev/null @@ -1,65 +0,0 @@ -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - * Adapted for NetBSD/x86_64 by Frank van der Linden <fvdl@wasabisystems.com> - */ - -#include <machine/asm.h> - -#if defined(LIBC_SCCS) - RCSID("$NetBSD: strcat.S,v 1.1 2001/06/19 00:22:47 fvdl Exp $") -#endif - -/* - * NOTE: I've unrolled the loop eight times: large enough to make a - * significant difference, and small enough not to totally trash the - * cache. - */ - -ENTRY(strcat) - movq %rdi,%r11 - - cld /* set search forward */ - xorl %eax,%eax /* set search for null terminator */ - movq $-1,%rcx /* set search for lots of characters */ - repne /* search! */ - scasb - - decq %rdi - -L1: movb (%rsi),%al /* unroll loop, but not too much */ - movb %al,(%rdi) - testb %al,%al - jz L2 - movb 1(%rsi),%al - movb %al,1(%rdi) - testb %al,%al - jz L2 - movb 2(%rsi),%al - movb %al,2(%rdi) - testb %al,%al - jz L2 - movb 3(%rsi),%al - movb %al,3(%rdi) - testb %al,%al - jz L2 - movb 4(%rsi),%al - movb %al,4(%rdi) - testb %al,%al - jz L2 - movb 5(%rsi),%al - movb %al,5(%rdi) - testb %al,%al - jz L2 - movb 6(%rsi),%al - movb %al,6(%rdi) - testb %al,%al - jz L2 - movb 7(%rsi),%al - movb %al,7(%rdi) - addq $8,%rsi - addq $8,%rdi - testb %al,%al - jnz L1 -L2: movq %r11,%rax - ret |