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93 lines
2.4 KiB
ArmAsm
93 lines
2.4 KiB
ArmAsm
/* Copyright (C) 1995-2014 Free Software Foundation, Inc.
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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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#define EINVAL 22
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#define ENOSYS 38
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#define EOVERFLOW 75
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#define SVRSP 16 /* saved register space */
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#define PARMS 4+SVRSP /* space for 4 saved regs */
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#define FD PARMS
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#define OFFLO FD+4
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#define OFFHI OFFLO+4
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#define LENLO OFFHI+4
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#define LENHI LENLO+4
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#define FLAGS LENHI+4
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.text
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ENTRY (__posix_fadvise64_l64)
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/* Save registers. */
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pushl %ebp
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cfi_adjust_cfa_offset (4)
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pushl %ebx
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cfi_adjust_cfa_offset (4)
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pushl %esi
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cfi_adjust_cfa_offset (4)
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pushl %edi
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cfi_adjust_cfa_offset (4)
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movl FD(%esp), %ebx
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cfi_rel_offset (ebx, 8)
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movl OFFLO(%esp), %ecx
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movl OFFHI(%esp), %edx
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movl LENLO(%esp), %esi
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cfi_rel_offset (esi, 4)
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movl LENHI(%esp), %edi
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cfi_rel_offset (edi, 0)
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movl FLAGS(%esp), %ebp
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cfi_rel_offset (ebp, 12)
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movl $SYS_ify(fadvise64_64), %eax
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ENTER_KERNEL
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/* Restore registers. */
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popl %edi
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cfi_adjust_cfa_offset (-4)
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cfi_restore (edi)
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popl %esi
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cfi_adjust_cfa_offset (-4)
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cfi_restore (esi)
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popl %ebx
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cfi_adjust_cfa_offset (-4)
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cfi_restore (ebx)
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popl %ebp
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cfi_adjust_cfa_offset (-4)
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cfi_restore (ebp)
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/* The function returns zero, or the error number. So all we
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have to do is negate the value passed back from the kernel. */
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/* If 0 > %eax > -4096 there was an error. */
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negl %eax
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/* Successful; return the syscall's value. */
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ret
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END (__posix_fadvise64_l64)
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.section .text.compat, "ax"
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ENTRY (__posix_fadvise64_l32)
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DO_CALL (fadvise64, 5)
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negl %eax
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ret
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PSEUDO_END_ERRVAL (__posix_fadvise64_l32)
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default_symbol_version (__posix_fadvise64_l64, posix_fadvise64, GLIBC_2.3.3)
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symbol_version (__posix_fadvise64_l32, posix_fadvise64, GLIBC_2.2)
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