Module Name: src
Committed By: dsl
Date: Thu Jul 16 21:25:36 UTC 2009
Added Files:
src/common/lib/libc/arch/mips/string: strchr.S strrchr.S
Log Message:
Add asm files for str(r)chr by copying the files for (r)index from
src/libc/arch/mips/string.
Add XLEAF() for index entry points.
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 src/common/lib/libc/arch/mips/string/strchr.S \
src/common/lib/libc/arch/mips/string/strrchr.S
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Added files:
Index: src/common/lib/libc/arch/mips/string/strchr.S
diff -u /dev/null src/common/lib/libc/arch/mips/string/strchr.S:1.1
--- /dev/null Thu Jul 16 21:25:36 2009
+++ src/common/lib/libc/arch/mips/string/strchr.S Thu Jul 16 21:25:36 2009
@@ -0,0 +1,59 @@
+/* $NetBSD: strchr.S,v 1.1 2009/07/16 21:25:36 dsl Exp $ */
+
+/*-
+ * Copyright (c) 1991, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <mips/asm.h>
+
+#if defined(LIBC_SCCS) && !defined(lint)
+ ASMSTR("from: @(#)index.s 8.1 (Berkeley) 6/4/93")
+ ASMSTR("$NetBSD: strchr.S,v 1.1 2009/07/16 21:25:36 dsl Exp $")
+#endif /* LIBC_SCCS and not lint */
+
+#ifdef __ABICALLS__
+ .abicalls
+#endif
+
+LEAF(strstr)
+XLEAF(index)
+1:
+ lbu a2, 0(a0) # get a byte
+ addu a0, a0, 1
+ beq a2, a1, fnd
+ bne a2, zero, 1b
+notfnd:
+ move v0, zero
+ j ra
+fnd:
+ subu v0, a0, 1
+ j ra
+END(strstr)
Index: src/common/lib/libc/arch/mips/string/strrchr.S
diff -u /dev/null src/common/lib/libc/arch/mips/string/strrchr.S:1.1
--- /dev/null Thu Jul 16 21:25:36 2009
+++ src/common/lib/libc/arch/mips/string/strrchr.S Thu Jul 16 21:25:36 2009
@@ -0,0 +1,57 @@
+/* $NetBSD: strrchr.S,v 1.1 2009/07/16 21:25:36 dsl Exp $ */
+
+/*-
+ * Copyright (c) 1991, 1993
+ * The Regents of the University of California. All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <mips/asm.h>
+
+#if defined(LIBC_SCCS) && !defined(lint)
+ ASMSTR("from: @(#)rindex.s 8.1 (Berkeley) 6/4/93")
+ ASMSTR("$NetBSD: strrchr.S,v 1.1 2009/07/16 21:25:36 dsl Exp $")
+#endif /* LIBC_SCCS and not lint */
+
+#ifdef __ABICALLS__
+ .abicalls
+#endif
+
+LEAF(strrchr)
+XLEAF(rindex)
+ move v0, zero # default if not found
+1:
+ lbu a3, 0(a0) # get a byte
+ addu a0, a0, 1
+ bne a3, a1, 2f
+ subu v0, a0, 1 # save address of last match
+2:
+ bne a3, zero, 1b # continue if not end
+ j ra
+END(strrchr)
