diff options
Diffstat (limited to 'sysdeps/i386/i686/dl-hash.h')
-rw-r--r-- | sysdeps/i386/i686/dl-hash.h | 79 |
1 files changed, 0 insertions, 79 deletions
diff --git a/sysdeps/i386/i686/dl-hash.h b/sysdeps/i386/i686/dl-hash.h deleted file mode 100644 index ceda785b32..0000000000 --- a/sysdeps/i386/i686/dl-hash.h +++ /dev/null @@ -1,79 +0,0 @@ -/* Compute hash alue for given string according to ELF standard. - Copyright (C) 1998-2017 Free Software Foundation, Inc. - This file is part of the GNU C Library. - 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, see - <http://www.gnu.org/licenses/>. */ - -#ifndef _DL_HASH_H -#define _DL_HASH_H 1 - - -/* This is the hashing function specified by the ELF ABI. It is highly - optimized for the PII processors. Though it will run on i586 it - would be much slower than the generic C implementation. So don't - use it. */ -static unsigned int -__attribute__ ((unused)) -_dl_elf_hash (const char *name) -{ - unsigned int result; - unsigned int temp0; - unsigned int temp1; - - __asm__ __volatile__ - ("movzbl (%1),%2\n\t" - "testl %2, %2\n\t" - "jz 1f\n\t" - "movl %2, %0\n\t" - "movzbl 1(%1), %2\n\t" - "jecxz 1f\n\t" - "shll $4, %0\n\t" - "addl %2, %0\n\t" - "movzbl 2(%1), %2\n\t" - "jecxz 1f\n\t" - "shll $4, %0\n\t" - "addl %2, %0\n\t" - "movzbl 3(%1), %2\n\t" - "jecxz 1f\n\t" - "shll $4, %0\n\t" - "addl %2, %0\n\t" - "movzbl 4(%1), %2\n\t" - "jecxz 1f\n\t" - "shll $4, %0\n\t" - "addl $5, %1\n\t" - "addl %2, %0\n\t" - "movzbl (%1), %2\n\t" - "jecxz 1f\n" - "2:\t" - "shll $4, %0\n\t" - "movl $0xf0000000, %3\n\t" - "incl %1\n\t" - "addl %2, %0\n\t" - "andl %0, %3\n\t" - "andl $0x0fffffff, %0\n\t" - "shrl $24, %3\n\t" - "movzbl (%1), %2\n\t" - "xorl %3, %0\n\t" - "testl %2, %2\n\t" - "jnz 2b\n" - "1:\t" - : "=&r" (result), "=r" (name), "=&c" (temp0), "=&r" (temp1) - : "0" (0), "1" ((const unsigned char *) name)); - - return result; -} - -#endif /* dl-hash.h */ |