diff options
Diffstat (limited to 'libc/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S')
| -rw-r--r-- | libc/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S | 69 |
1 files changed, 1 insertions, 68 deletions
diff --git a/libc/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S b/libc/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S index 79fc071d2..00e6a4194 100644 --- a/libc/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S +++ b/libc/sysdeps/unix/sysv/linux/i386/posix_fadvise64.S @@ -1,5 +1,4 @@ -/* Copyright (C) 1995-2000,2002,2003,2004,2005,2006 - Free Software Foundation, Inc. +/* Copyright (C) 1995-2012 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 @@ -20,8 +19,6 @@ #include <bp-sym.h> #include <bp-asm.h> -#include <kernel-features.h> - #define EINVAL 22 #define ENOSYS 38 #define EOVERFLOW 75 @@ -38,8 +35,6 @@ .text ENTRY (BP_SYM (__posix_fadvise64_l64)) -#ifdef __NR_fadvise64_64 - /* Save registers. */ pushl %ebp cfi_adjust_cfa_offset (4) @@ -78,11 +73,6 @@ ENTRY (BP_SYM (__posix_fadvise64_l64)) cfi_adjust_cfa_offset (-4) cfi_restore (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. */ @@ -90,72 +80,15 @@ ENTRY (BP_SYM (__posix_fadvise64_l64)) /* 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 - cfi_adjust_cfa_offset (4) - pushl %esi - cfi_adjust_cfa_offset (4) - pushl %edi - cfi_adjust_cfa_offset (4) - - /* Overflow check. */ - cmpl $0, LENHI(%esp) - movl $-EOVERFLOW, %eax - jne L(overflow) - - movl FD(%esp), %ebx - cfi_rel_offset (ebx, 8) - movl OFFLO(%esp), %ecx - movl OFFHI(%esp), %edx - movl LENLO(%esp), %esi - cfi_rel_offset (esi, 4) - movl FLAGS(%esp), %edi - cfi_rel_offset (edi, 0) - - movl $SYS_ify(fadvise64), %eax - ENTER_KERNEL - - /* Restore registers. */ -L(overflow): - popl %edi - cfi_adjust_cfa_offset (-4) - cfi_restore (edi) - popl %esi - cfi_adjust_cfa_offset (-4) - cfi_restore (esi) - popl %ebx - cfi_adjust_cfa_offset (-4) - cfi_restore (ebx) - - /* If 0 > %eax > -4096 there was an error. */ - negl %eax - - /* Successful; return the syscall's value. */ - ret -#else - movl $ENOSYS, %eax - ret -#endif END (BP_SYM (__posix_fadvise64_l64)) -#ifdef __NR_fadvise64 .section .text.compat, "ax" ENTRY (__posix_fadvise64_l32) DO_CALL (fadvise64, 5) negl %eax 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) |