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113 lines
2.6 KiB
ArmAsm
113 lines
2.6 KiB
ArmAsm
/* Multiple versions of memset and bzero
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Copyright (C) 2010, 2011 Free Software Foundation, Inc.
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Contributed by David S. Miller (davem@davemloft.net)
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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#include <sysdep.h>
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#include <rtld-global-offsets.h>
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#if !defined NOT_IN_libc
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.text
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ENTRY(memset)
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.type memset, @gnu_indirect_function
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# ifdef SHARED
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mov %o7, %o5
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sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %o3
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call 1f
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or %o3, %lo(_GLOBAL_OFFSET_TABLE_+4), %o3
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1: add %o7, %o3, %o3
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mov %o5, %o7
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# endif
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andcc %o0, HWCAP_SPARC_BLKINIT, %g0
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be 9f
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nop
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# ifdef SHARED
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sethi %gdop_hix22(__memset_niagara1), %o1
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xor %o1, %gdop_lox10(__memset_niagara1), %o1
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# else
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set __memset_niagara1, %o1
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# endif
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ba 10f
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nop
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9:
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# ifdef SHARED
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sethi %gdop_hix22(__memset_ultra1), %o1
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xor %o1, %gdop_lox10(__memset_ultra1), %o1
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# else
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set __memset_ultra1, %o1
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# endif
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10:
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# ifdef SHARED
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add %o3, %o1, %o1
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# endif
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retl
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mov %o1, %o0
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END(memset)
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ENTRY(__bzero)
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.type bzero, @gnu_indirect_function
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# ifdef SHARED
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mov %o7, %o5
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sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %o3
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call 1f
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or %o3, %lo(_GLOBAL_OFFSET_TABLE_+4), %o3
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1: add %o7, %o3, %o3
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mov %o5, %o7
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# endif
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andcc %o0, HWCAP_SPARC_BLKINIT, %g0
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be 9f
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nop
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# ifdef SHARED
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sethi %gdop_hix22(__bzero_niagara1), %o1
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xor %o1, %gdop_lox10(__bzero_niagara1), %o1
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# else
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set __bzero_niagara1, %o1
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# endif
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ba 10f
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nop
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9:
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# ifdef SHARED
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sethi %gdop_hix22(__bzero_ultra1), %o1
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xor %o1, %gdop_lox10(__bzero_ultra1), %o1
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# else
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set __bzero_ultra1, %o1
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# endif
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10:
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# ifdef SHARED
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add %o3, %o1, %o1
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# endif
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retl
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mov %o1, %o0
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END(__bzero)
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weak_alias (__bzero, bzero)
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# undef weak_alias
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# define weak_alias(a, b)
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# undef libc_hidden_builtin_def
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/* IFUNC doesn't work with the hidden functions in a shared library. */
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# define libc_hidden_builtin_def(name) \
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.globl __GI_memset; __GI_memset = __memset_ultra1
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#define memset __memset_ultra1
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#define __bzero __bzero_ultra1
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#endif
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#include "../memset.S"
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