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authorUlrich Drepper <drepper@redhat.com>2003-08-17 00:37:19 +0000
committerUlrich Drepper <drepper@redhat.com>2003-08-17 00:37:19 +0000
commit137ffcdc6effa6b3a750b1d0c228dae61b96adbc (patch)
treefcccdc24bd598da4d8c6dcf8ceb34abf4d7b6da0 /sysdeps/unix/sysv/linux/i386/posix_fadvise64.S
parent36a8cf1e48eda7d925454c3882dfc34ff0b887f3 (diff)
Update.
2003-08-16 Jakub Jelinek <jakub@redhat.com> * sysdeps/powerpc/powerpc32/sysdep.h (PSEUDO_ERRVAL, PSEUDO_RET_ERRVAL, ret_ERRVAL, PSEUDO_END_ERRVAL): Define. * sysdeps/powerpc/powerpc64/sysdep.h (PSEUDO_ERRVAL, PSEUDO_RET_ERRVAL, ret_ERRVAL, PSEUDO_END_ERRVAL): Define. * sysdeps/unix/alpha/sysdep.h (PSEUDO_ERRVAL, ret_ERRVAL, PSEUDO_END_ERRVAL): Define. * sysdeps/unix/mips/sysdep.h (PSEUDO_ERRVAL, ret_ERRVAL, PSEUDO_END_ERRVAL): Define. * sysdeps/unix/sparc/sysdep.h (PSEUDO_ERRVAL, ret_ERRVAL): Define. * sysdeps/unix/sysv/linux/s390/s390-32/sysdep.h (PSEUDO_ERRVAL, PSEUDO_END_ERRVAL, ret_ERRVAL): Define. * sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h (PSEUDO_ERRVAL, PSEUDO_END_ERRVAL, ret_ERRVAL): Define. * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h (PSEUDO_ERRVAL): Define. * sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h (PSEUDO_ERRVAL, PSEUDO_END_ERRVAL, ret_ERRVAL): Define. * sysdeps/unix/sysdep.h (PSEUDO_END_ERRVAL): Define. * sysdeps/unix/sysv/linux/syscalls.list (posix_fadvise64, posix_fadvise64_64): Remove. * sysdeps/unix/sysv/linux/alpha/syscalls.list (posix_fadvise64): Add V flag. * sysdeps/unix/sysv/linux/ia64/syscalls.list (posix_fadvise64): Likewise. * sysdeps/unix/sysv/linux/powerpc/powerpc64/syscalls.list (posix_fadvise64): Likewise. * sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list (posix_fadvise64): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list (posix_fadvise64): Likewise. * sysdeps/unix/sysv/linux/x86_64/syscalls.list (posix_fadvise64): Likewise. * sysdeps/unix/sysv/linux/i386/posix_fadvise64_64.S: Moved to... * sysdeps/unix/sysv/linux/i386/posix_fadvise64.S: ...here. (__posix_fadvise64_l64): Fix a typo in fadvise64 syscall invocation. (__posix_fadvise64_l32): New function. * sysdeps/unix/sysv/linux/i386/Makefile: Revert last change. * sysdeps/unix/sysv/linux/powerpc/powerpc32/Versions (libc): Export posix_fadvise64@@GLIBC_2.3.3. * sysdeps/unix/sysv/linux/s390/s390-32/Versions (libc): Likewise. * sysdeps/unix/sysv/linux/sparc/sparc32/Versions (libc): Likewise. * sysdeps/unix/sysv/linux/posix_fadvise.c (posix_fadvise): Return error value. * sysdeps/unix/sysv/linux/posix_fadvise64.c: New file. * sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.h (SYSCALL_ERROR_HANDLER): Use TLS errno/__libc_errno if USE___THREAD. 2003-08-15 Jakub Jelinek <jakub@redhat.com> * sysdeps/sparc/sparc32/dl-machine.h (WEAKADDR): Remove. (elf_machine_matches_host): Remove weak extern stuff. Use GL(dl_hwcap) unconditionally and GL(dl_hwcap_mask) if SHARED. (elf_machine_runtime_setup, sparc_fixup_plt): Remove weak extern stuff. Use GL(dl_hwcap) unconditionally.
Diffstat (limited to 'sysdeps/unix/sysv/linux/i386/posix_fadvise64.S')
-rw-r--r--sysdeps/unix/sysv/linux/i386/posix_fadvise64.S132
1 files changed, 132 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S b/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S
new file mode 100644
index 0000000000..8d7219f12b
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S
@@ -0,0 +1,132 @@
+/* Copyright (C) 1995,96,97,98,99,2000,2002,2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ 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 <bp-sym.h>
+#include <bp-asm.h>
+
+#include "kernel-features.h"
+
+#define EINVAL 22
+#define ENOSYS 38
+#define EOVERFLOW 75
+
+#define SVRSP 16 /* saved register space */
+#define PARMS LINKAGE+SVRSP /* space for 4 saved regs */
+#define FD PARMS
+#define OFFLO FD+4
+#define OFFHI OFFLO+4
+#define LENLO OFFHI+4
+#define LENHI LENLO+4
+#define FLAGS LENHI+4
+
+ .text
+ENTRY (BP_SYM (__posix_fadvise64_l64))
+
+#ifdef __NR_fadvise64_64
+
+ /* Save registers. */
+ pushl %ebp
+ pushl %ebx
+ pushl %esi
+ pushl %edi
+
+ movl FD(%esp), %ebx
+ movl OFFLO(%esp), %ecx
+ movl OFFHI(%esp), %edx
+ movl LENLO(%esp), %esi
+ movl LENHI(%esp), %edi
+ movl FLAGS(%esp), %ebp
+
+ movl $SYS_ify(fadvise64_64), %eax
+ ENTER_KERNEL
+
+ /* Restore registers. */
+ popl %edi
+ popl %esi
+ popl %ebx
+ popl %ebp
+
+#ifndef __ASSUME_FADVISE64_64_SYSCALL
+ cmpl $-ENOSYS, %eax
+ je 1f
+#endif
+
+ /* The function returns zero, or the error number. So all we
+ have to do is negate the value passed back from the kernel. */
+ /* If 0 > %eax > -4096 there was an error. */
+ negl %eax
+
+ /* Successful; return the syscall's value. */
+ ret
+#endif
+
+#if defined __NR_fadvise64 \
+ && (!defined __ASSUME_FADVISE64_64_SYSCALL || !defined __NR_fadvise64_64)
+1: /* Save registers. */
+ pushl %ebx
+ pushl %esi
+ pushl %edi
+
+ /* Overflow check. */
+ cmpl $0, LENHI(%esp)
+ jne L(overflow)
+
+ movl FD(%esp), %ebx
+ movl OFFLO(%esp), %ecx
+ movl OFFHI(%esp), %edx
+ movl LENLO(%esp), %esi
+ movl FLAGS(%esp), %edi
+
+ movl $SYS_ify(fadvise64), %eax
+ ENTER_KERNEL
+
+ /* Restore registers. */
+ popl %edi
+ popl %esi
+ popl %ebx
+
+ /* If 0 > %eax > -4096 there was an error. */
+ negl %eax
+
+ /* Successful; return the syscall's value. */
+ ret
+
+L(overflow):
+ movl $EOVERFLOW, %eax
+ ret
+#elif
+ movl $ENOSYS, %eax
+ ret
+#endif
+
+END (BP_SYM (__posix_fadvise64_l64))
+
+#ifdef __NR_fadvise64
+PSEUDO_ERRVAL (__posix_fadvise64_l32, posix_fadvise64, 5)
+ ret
+PSEUDO_END_ERRVAL (__posix_fadvise64_l32)
+#else
+ENTRY (BP_SYM (__posix_fadvise64_l32))
+ movl $ENOSYS, %eax
+ ret
+END (BP_SYM (__posix_fadvise64_l32))
+#endif
+
+default_symbol_version (__posix_fadvise64_l64, posix_fadvise64, GLIBC_2.3.3)
+symbol_version (__posix_fadvise64_l32, posix_fadvise64, GLIBC_2.2)