diff options
| author |   reyk <reyk@openbsd.org> | 2007-05-04 21:44:07 +0000 |
|---|---|---|
| committer | reyk <reyk@openbsd.org> | 2007-05-04 21:44:07 +0000 |
| commit | 463038c39c956dbb499fc472051ef5a8beeea47c (patch) | |
| tree | 816ea8e071dccb73e57615bab9e565c7874696a2 /sys/lib/libkern/arch/i386 | |
| 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/i386')
| -rw-r--r-- | sys/lib/libkern/arch/i386/strcat.S | 67 | ||||
| -rw-r--r-- | sys/lib/libkern/arch/i386/strcpy.S | 57 |
2 files changed, 0 insertions, 124 deletions
diff --git a/sys/lib/libkern/arch/i386/strcat.S b/sys/lib/libkern/arch/i386/strcat.S deleted file mode 100644 index bbf19431fd8..00000000000 --- a/sys/lib/libkern/arch/i386/strcat.S +++ /dev/null @@ -1,67 +0,0 @@ -/* $OpenBSD: strcat.S,v 1.2 1996/09/27 06:47:49 mickey Exp $ */ - -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - -#include <machine/asm.h> - -/* - * 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) - pushl %edi /* save edi */ - movl 8(%esp),%edi /* dst address */ - movl 12(%esp),%edx /* src address */ - pushl %edi /* push destination address */ - - cld /* set search forward */ - xorl %eax,%eax /* set search for null terminator */ - movl $-1,%ecx /* set search for lots of characters */ - repne /* search! */ - scasb - - leal -1(%edi),%ecx /* correct dst address */ - - .align 2,0x90 -L1: movb (%edx),%al /* unroll loop, but not too much */ - movb %al,(%ecx) - testb %al,%al - jz L2 - movb 1(%edx),%al - movb %al,1(%ecx) - testb %al,%al - jz L2 - movb 2(%edx),%al - movb %al,2(%ecx) - testb %al,%al - jz L2 - movb 3(%edx),%al - movb %al,3(%ecx) - testb %al,%al - jz L2 - movb 4(%edx),%al - movb %al,4(%ecx) - testb %al,%al - jz L2 - movb 5(%edx),%al - movb %al,5(%ecx) - testb %al,%al - jz L2 - movb 6(%edx),%al - movb %al,6(%ecx) - testb %al,%al - jz L2 - movb 7(%edx),%al - movb %al,7(%ecx) - addl $8,%edx - addl $8,%ecx - testb %al,%al - jnz L1 -L2: popl %eax /* pop destination address */ - popl %edi /* restore edi */ - ret diff --git a/sys/lib/libkern/arch/i386/strcpy.S b/sys/lib/libkern/arch/i386/strcpy.S deleted file mode 100644 index bbf7f295404..00000000000 --- a/sys/lib/libkern/arch/i386/strcpy.S +++ /dev/null @@ -1,57 +0,0 @@ -/* $OpenBSD: strcpy.S,v 1.2 1996/09/27 06:47:50 mickey Exp $ */ - -/* - * Written by J.T. Conklin <jtc@netbsd.org>. - * Public domain. - */ - -#include <machine/asm.h> - -/* - * 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(strcpy) - movl 4(%esp),%ecx /* dst address */ - movl 8(%esp),%edx /* src address */ - pushl %ecx /* push dst address */ - - .align 2,0x90 -L1: movb (%edx),%al /* unroll loop, but not too much */ - movb %al,(%ecx) - testb %al,%al - jz L2 - movb 1(%edx),%al - movb %al,1(%ecx) - testb %al,%al - jz L2 - movb 2(%edx),%al - movb %al,2(%ecx) - testb %al,%al - jz L2 - movb 3(%edx),%al - movb %al,3(%ecx) - testb %al,%al - jz L2 - movb 4(%edx),%al - movb %al,4(%ecx) - testb %al,%al - jz L2 - movb 5(%edx),%al - movb %al,5(%ecx) - testb %al,%al - jz L2 - movb 6(%edx),%al - movb %al,6(%ecx) - testb %al,%al - jz L2 - movb 7(%edx),%al - movb %al,7(%ecx) - addl $8,%edx - addl $8,%ecx - testb %al,%al - jnz L1 -L2: popl %eax /* pop dst address */ - ret |