Update.

	* sysdeps/x86_64/dl-machine.h (elf_machine_runtime_setup): Declare
	external functions with hidden attribute.
	(elf_machine_rela): Optimize.

	* sysdeps/x86_64/memset.S: New file.
	* sysdeps/x86_64/bzero.S: New file.
	* sysdeps/x86_64/stpcpy.S: New file.
	* sysdeps/x86_64/strcat.S: New file.
	* sysdeps/x86_64/strchr.S: New file.
	* sysdeps/x86_64/strcpy.S: New file.
	* sysdeps/x86_64/strcspn.S: New file.
	* sysdeps/x86_64/strlen.S: New file.
	* sysdeps/x86_64/strpbrk.S: New file.
	* sysdeps/x86_64/strspn.S: New file.
	* sysdeps/x86_64/strcmp.S: New file.
	* sysdeps/x86_64/strtok_r.S: New file.
	* sysdeps/x86_64/strtok.S: New file.
	* sysdeps/x86_64/memcpy.S: New file.
	* sysdeps/x86_64/mempcpy.S: New file.

1 files changed, 208 insertions, 0 deletions

diff --git a/sysdeps/x86_64/strtok.S b/sysdeps/x86_64/strtok.S
new file mode 100644
index 0000000..771bd2d
--- /dev/null
+++ b/sysdeps/x86_64/strtok.S
@@ -0,0 +1,208 @@
+/* strtok (str, delim) -- Return next DELIM separated token from STR.
+   For AMD x86-64.
+   Copyright (C) 1998, 2000, 2001, 2002 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+   Based on i686 version contributed by Ulrich Drepper
+   <drepper@cygnus.com>, 1998.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <sysdep.h>
+#include "asm-syntax.h"
+#include "bp-sym.h"
+#include "bp-asm.h"
+
+/* This file can be used for the strtok and strtok_r functions:
+
+   strtok:
+	INPUT PARAMETER:
+	str		%rdi
+	delim		%rsi
+
+   strtok_r:
+	INPUT PARAMETER:
+	str		%rdi
+	delim		%rsi
+	save_ptr	%rdx
+
+   We do a common implementation here.  */
+
+#ifdef USE_AS_STRTOK_R
+# define SAVE_PTR (%r9)
+#else
+	.bss
+	.local save_ptr
+	ASM_TYPE_DIRECTIVE (save_ptr, @object)
+	.size save_ptr, 8
+save_ptr:
+	.space 8
+
+# ifdef PIC
+#  define SAVE_PTR save_ptr(%rip)
+# else
+#  define SAVE_PTR save_ptr
+# endif
+
+# define FUNCTION strtok
+#endif
+
+	.text
+ENTRY (BP_SYM (FUNCTION))
+	/* First we create a table with flags for all possible characters.
+	   For the ASCII (7bit/8bit) or ISO-8859-X character sets which are
+	   supported by the C string functions we have 256 characters.
+	   Before inserting marks for the stop characters we clear the whole
+	   table.  */
+	movq %rdi, %r8			/* Save value.  */
+	subq $256, %rsp			/* Make space for 256 bytes.  */
+	movq $32,  %rcx			/* 32*8 bytes = 256 bytes.  */
+	movq %rsp, %rdi
+	xorq %rax, %rax			/* We store 0s.  */
+	cld
+	rep
+	stosq
+
+	/* Note: %rcx = 0 !!! */
+
+#ifdef USE_AS_STRTOK_R
+	/* The value is stored in the third argument.  */
+	movq %rdx, %rax
+	movq %rdx, %r9		/* Save value - see def. of SAVE_PTR.  */
+	movq (%rax), %rax
+#else
+	/* The value is in the local variable defined above.  But
+	   we have to take care for PIC code.  */
+	movq SAVE_PTR, %rax
+#endif
+	movq %r8, %rdx		/* Get start of string.  */
+
+	/* If the pointer is NULL we have to use the stored value of
+	   the last run.  */
+	cmpq $0, %rdx
+	cmove %rax, %rdx
+	testq %rdx, %rdx
+	jz L(returnNULL)
+	movq %rsi, %rax		/* Get start of delimiter set.  */
+
+/* For understanding the following code remember that %rcx == 0 now.
+   Although all the following instruction only modify %cl we always
+   have a correct zero-extended 64-bit value in %rcx.  */
+
+L(2):	movb (%rax), %cl	/* get byte from stopset */
+	testb %cl, %cl		/* is NUL char? */
+	jz L(1)			/* yes => start compare loop */
+	movb %cl, (%rsp,%rcx)	/* set corresponding byte in stopset table */
+
+	movb 1(%rax), %cl	/* get byte from stopset */
+	testb $0xff, %cl	/* is NUL char? */
+	jz L(1)			/* yes => start compare loop */
+	movb %cl, (%rsp,%rcx)	/* set corresponding byte in stopset table */
+
+	movb 2(%rax), %cl	/* get byte from stopset */
+	testb $0xff, %cl	/* is NUL char? */
+	jz L(1)			/* yes => start compare loop */
+	movb %cl, (%rsp,%rcx)	/* set corresponding byte in stopset table */
+
+	movb 3(%rax), %cl	/* get byte from stopset */
+	addq $4, %rax		/* increment stopset pointer */
+	movb %cl, (%rsp,%rcx)	/* set corresponding byte in stopset table */
+	testb $0xff, %cl	/* is NUL char? */
+	jnz L(2)		/* no => process next dword from stopset */
+
+L(1):
+
+	leaq -4(%rdx), %rax	/* prepare loop */
+
+	/* We use a neat trick for the following loop.  Normally we would
+	   have to test for two termination conditions
+	   1. a character in the stopset was found
+	   and
+	   2. the end of the string was found
+	   As a sign that the character is in the stopset we store its
+	   value in the table.  The value of NUL is NUL so the loop
+	   terminates for NUL in every case.  */
+
+L(3):	addq $4, %rax		/* adjust pointer for full loop round */
+
+	movb (%rax), %cl	/* get byte from string */
+	testb %cl, (%rsp,%rcx)	/* is it contained in stopset? */
+	jz L(4)			/* no => start of token */
+
+	movb 1(%rax), %cl	/* get byte from string */
+	testb %cl, (%rsp,%rcx)	/* is it contained in stopset? */
+	jz L(5)			/* no => start of token */
+
+	movb 2(%rax), %cl	/* get byte from string */
+	testb %cl, (%rsp,%rcx)	/* is it contained in stopset? */
+	jz L(6)			/* no => start of token */
+
+	movb 3(%rax), %cl	/* get byte from string */
+	testb %cl, (%rsp,%rcx)	/* is it contained in stopset? */
+	jnz L(3)		/* yes => start of loop */
+
+	incq %rax		/* adjust pointer */
+L(6):	incq %rax
+L(5):	incq %rax
+
+	/* Now we have to terminate the string.  */
+
+L(4):	leaq -4(%rax), %rdx	/* We use %rDX for the next run.  */
+
+L(7):	addq $4, %rdx		/* adjust pointer for full loop round */
+
+	movb (%rdx), %cl	/* get byte from string */
+	cmpb %cl, (%rsp,%rcx)	/* is it contained in skipset? */
+	je L(8)			/* yes => return */
+
+	movb 1(%rdx), %cl	/* get byte from string */
+	cmpb %cl, (%rsp,%rcx)	/* is it contained in skipset? */
+	je L(9)			/* yes => return */
+
+	movb 2(%rdx), %cl	/* get byte from string */
+	cmpb %cl, (%rsp,%rcx)	/* is it contained in skipset? */
+	je L(10)		/* yes => return */
+
+	movb 3(%rdx), %cl	/* get byte from string */
+	cmpb %cl, (%rsp,%rcx)	/* is it contained in skipset? */
+	jne L(7)		/* no => start loop again */
+
+	incq %rdx		/* adjust pointer */
+L(10):	incq %rdx
+L(9):	incq %rdx
+
+L(8):	cmpq %rax, %rdx
+	je L(returnNULL)	/* There was no token anymore.  */
+
+	movb $0, (%rdx)		/* Terminate string.  */
+
+	/* Are we at end of string?  */
+	cmpb $0, %cl
+	leaq 1(%rdx), %rcx
+	cmovne %rcx, %rdx
+
+	/* Store the pointer to the next character.  */
+	movq %rdx, SAVE_PTR
+
+L(epilogue):
+	/* Remove the stopset table.  */
+	addq $256, %rsp
+	retq
+
+L(returnNULL):
+	xorq %rax, %rax
+	jmp L(epilogue)
+
+END (BP_SYM (FUNCTION))