1 /* Copyright (C) 1995-2000,2002,2003,2004 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, write to the Free
16 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
23 #include "kernel-features.h"
29 #define SVRSP 16 /* saved register space */
30 #define PARMS LINKAGE+SVRSP /* space for 4 saved regs */
39 ENTRY (BP_SYM (__posix_fadvise64_l64))
41 #ifdef __NR_fadvise64_64
50 movl OFFLO(%esp), %ecx
51 movl OFFHI(%esp), %edx
52 movl LENLO(%esp), %esi
53 movl LENHI(%esp), %edi
54 movl FLAGS(%esp), %ebp
56 movl $SYS_ify(fadvise64_64), %eax
59 /* Restore registers. */
65 #ifndef __ASSUME_FADVISE64_64_SYSCALL
70 /* The function returns zero, or the error number. So all we
71 have to do is negate the value passed back from the kernel. */
72 /* If 0 > %eax > -4096 there was an error. */
75 /* Successful; return the syscall's value. */
79 #if defined __NR_fadvise64 \
80 && (!defined __ASSUME_FADVISE64_64_SYSCALL || !defined __NR_fadvise64_64)
81 1: /* Save registers. */
88 movl $-EOVERFLOW, %eax
92 movl OFFLO(%esp), %ecx
93 movl OFFHI(%esp), %edx
94 movl LENLO(%esp), %esi
95 movl FLAGS(%esp), %edi
97 movl $SYS_ify(fadvise64), %eax
100 /* Restore registers. */
106 /* If 0 > %eax > -4096 there was an error. */
109 /* Successful; return the syscall's value. */
116 END (BP_SYM (__posix_fadvise64_l64))
118 #ifdef __NR_fadvise64
119 .section .text.compat, "ax"
120 ENTRY (__posix_fadvise64_l32)
121 DO_CALL (fadvise64, 5)
124 PSEUDO_END_ERRVAL (__posix_fadvise64_l32)
126 ENTRY (BP_SYM (__posix_fadvise64_l32))
129 END (BP_SYM (__posix_fadvise64_l32))
132 default_symbol_version (__posix_fadvise64_l64, posix_fadvise64, GLIBC_2.3.3)
133 symbol_version (__posix_fadvise64_l32, posix_fadvise64, GLIBC_2.2)