diff options
Diffstat (limited to 'libc/sysdeps/linux')
| -rw-r--r-- | libc/sysdeps/linux/i386/Makefile.arch | 7 | ||||
| -rw-r--r-- | libc/sysdeps/linux/i386/posix_fadvise.c | 36 | ||||
| -rw-r--r-- | libc/sysdeps/linux/i386/posix_fadvise64.S | 45 |
3 files changed, 23 insertions, 65 deletions
diff --git a/libc/sysdeps/linux/i386/Makefile.arch b/libc/sysdeps/linux/i386/Makefile.arch index bff33a8f2..3d338a03a 100644 --- a/libc/sysdeps/linux/i386/Makefile.arch +++ b/libc/sysdeps/linux/i386/Makefile.arch @@ -9,11 +9,6 @@ CSRC := brk.c sigaction.c __syscall_error.c SSRC := \ __longjmp.S vfork.S clone.S setjmp.S bsd-setjmp.S bsd-_setjmp.S \ - sync_file_range.S syscall.S mmap.S mmap64.S - -ifeq ($(UCLIBC_HAS_ADVANCED_REALTIME),y) -SSRC += posix_fadvise64.S -CSRC += posix_fadvise.c -endif + sync_file_range.S syscall.S mmap.S mmap64.S posix_fadvise64.S include $(top_srcdir)libc/sysdeps/linux/Makefile.commonarch diff --git a/libc/sysdeps/linux/i386/posix_fadvise.c b/libc/sysdeps/linux/i386/posix_fadvise.c deleted file mode 100644 index 25373bcd5..000000000 --- a/libc/sysdeps/linux/i386/posix_fadvise.c +++ /dev/null @@ -1,36 +0,0 @@ -/* vi: set sw=4 ts=4: */ -/* - * posix_fadvise() for uClibc - * - * Copyright (C) 2008 Bernhard Reutner-Fischer <uclibc@uclibc.org> - * - * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. - */ - -#include <sys/syscall.h> -#if defined __USE_GNU -#include <fcntl.h> - - -#if defined __NR_fadvise64_64 || defined __NR_fadvise64 -extern int __libc_posix_fadvise64 (int, __off64_t, __off64_t, int ) __THROW; - -libc_hidden_proto(__libc_posix_fadvise64) -libc_hidden_proto(posix_fadvise) -int posix_fadvise(int fd, off_t offset, off_t len, int advice) -{ - if (__libc_posix_fadvise64(fd, offset, len, advice) != 0) - return errno; - return 0; -} -libc_hidden_def(posix_fadvise) -#elif defined __UCLIBC_HAS_STUBS__ -libc_hidden_proto(posix_fadvise) -int posix_fadvise(int fd attribute_unused, off_t offset attribute_unused, - off_t len attribute_unused, int advice attribute_unused) -{ - return ENOSYS; -} -libc_hidden_def(posix_fadvise) -#endif -#endif diff --git a/libc/sysdeps/linux/i386/posix_fadvise64.S b/libc/sysdeps/linux/i386/posix_fadvise64.S index 53aa75a9b..b99b35ee7 100644 --- a/libc/sysdeps/linux/i386/posix_fadvise64.S +++ b/libc/sysdeps/linux/i386/posix_fadvise64.S @@ -26,7 +26,7 @@ .global __libc_posix_fadvise64 .type __libc_posix_fadvise64,%function __libc_posix_fadvise64: -#if defined __NR_fadvise64_64 && defined __UCLIBC_HAS_LFS__ +#if defined __NR_fadvise64_64 /* Save regs */ pushl %ebp pushl %ebx @@ -35,12 +35,12 @@ __libc_posix_fadvise64: movl $__NR_fadvise64_64, %eax /* Syscall number in %eax. */ - movl 24(%esp), %ebx - movl 28(%esp), %ecx - movl 32(%esp), %edx - movl 36(%esp), %esi - movl 40(%esp), %edi - movl 44(%esp), %ebp + movl 20(%esp), %ebx + movl 24(%esp), %ecx + movl 28(%esp), %edx + movl 32(%esp), %esi + movl 36(%esp), %edi + movl 40(%esp), %ebp /* Do the system call trap. */ int $0x80 @@ -51,27 +51,27 @@ __libc_posix_fadvise64: popl %ebx popl %ebp - /* If 0 > %eax > -4096 there was an error. */ - cmpl $-4096, %eax - ja __syscall_error + /* Returns 0 on success, else an error code. */ + negl %eax + #elif defined __NR_fadvise64 /* Save regs */ pushl %ebx pushl %esi pushl %edi - +#if 0 /* does len overflow long? */ - cmpl $0, 40(%esp) + cmpl $0, 28(%esp) movl $-EOVERFLOW, %eax - ja overflow - + jne overflow +#endif movl $__NR_fadvise64, %eax /* Syscall number in %eax. */ - movl 24(%esp), %ebx - movl 28(%esp), %ecx - movl 32(%esp), %edx - movl 36(%esp), %esi - movl 44(%esp), %edi + movl 16(%esp), %ebx + movl 20(%esp), %ecx + movl 24(%esp), %edx + movl 28(%esp), %esi + movl 32(%esp), %edi /* Do the system call trap. */ int $0x80 @@ -81,9 +81,8 @@ overflow: popl %esi popl %ebx - /* If 0 > %eax > -4096 there was an error. */ - cmpl $-4096, %eax - ja __syscall_error + /* Returns 0 on success, else an error code. */ + negl %eax #elif defined __UCLIBC_HAS_STUBS__ movl $-ENOSYS, %eax @@ -95,7 +94,7 @@ overflow: .size __libc_posix_fadvise64,.-__libc_posix_fadvise64 libc_hidden_def(__libc_posix_fadvise64) -#if defined __UCLIBC_HAS_LFS__ +#if defined __UCLIBC_HAS_LFS__ && defined __UCLIBC_HAS_ADVANCED_REALTIME__ weak_alias(__libc_posix_fadvise64,posix_fadvise64) #endif |