* sysdeps/unix/sysv/linux/getrlimit.c: Remove K&R compatibility.
* sysdeps/unix/sysv/linux/kernel-features.h: Define
__ASSUME_TRUNCATE64_SYSCALL and __ASSUME_MMAP2_SYSCALL for 2.3.31
on x86.
* sysdeps/unix/sysv/linux/ftruncate64.c: New file.
* sysdeps/unix/sysv/linux/truncate64.c: New file.
* sysdeps/unix/sysv/linux/i386/mmap.S: Allow using mmap2.
* sysdeps/unix/sysv/linux/i386/mmap64.S: New file.
1999-12-08 Ulrich Drepper <drepper@cygnus.com>
+ * sysdeps/unix/sysv/linux/getrlimit.c: Remove K&R compatibility.
+
+ * sysdeps/unix/sysv/linux/kernel-features.h: Define
+ __ASSUME_TRUNCATE64_SYSCALL and __ASSUME_MMAP2_SYSCALL for 2.3.31
+ on x86.
+ * sysdeps/unix/sysv/linux/ftruncate64.c: New file.
+ * sysdeps/unix/sysv/linux/truncate64.c: New file.
+ * sysdeps/unix/sysv/linux/i386/mmap.S: Allow using mmap2.
+ * sysdeps/unix/sysv/linux/i386/mmap64.S: New file.
+
* ctype/Versions: Add __ctype32_tolower and __ctype32_toupper.
* ctype/ctype-info.c: Define __ctype32_tolower and __ctype32_toupper.
* locale/C-ctype.c: Add _nl_C_LC_CTYPE_toupper32 and
--- /dev/null
+/* Copyright (C) 1997, 1998, 1999 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sys/types.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+#include "kernel-features.h"
+
+#ifdef __NR_ftruncate64
+static int have_no_ftruncate64;
+
+extern int __syscall_ftruncate64 (int fd, int high_length, int low_length);
+
+
+/* Truncate the file FD refers to to LENGTH bytes. */
+int
+ftruncate64 (fd, length)
+ int fd;
+ off64_t length;
+{
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+ if (! have_no_ftruncate64)
+#endif
+ {
+ int result = INLINE_SYSCALL (ftruncate64, 3, fd, length >> 32,
+ length & 0xffffffff);
+
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+ if (result != -1 || errno != ENOSYS)
+#endif
+ return result;
+
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+ have_no_ftruncate64 = 1;
+#endif
+ }
+
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+ if ((off_t) length != length)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+ return __ftruncate (fd, (off_t) length);
+#endif
+}
+
+#else
+/* Use the generic implementation. */
+# include <sysdeps/generic/ftruncate64.c>
+#endif
#include "kernel-features.h"
-extern int __syscall_ugetrlimit __P ((unsigned int resource,
- struct rlimit *rlimits));
-extern int __syscall_getrlimit __P ((unsigned int resource,
- struct rlimit *rlimits));
+extern int __syscall_ugetrlimit (unsigned int resource,
+ struct rlimit *rlimits);
+extern int __syscall_getrlimit (unsigned int resource, struct rlimit *rlimits);
/* Linux 2.3.25 introduced a new system call since the types used for
the limits are now unsigned. */
-/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1995, 1996, 1997, 1998, 1999 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
#include <sysdep.h>
+#include "kernel-features.h"
+
+#define EINVAL 22
+
.text
ENTRY (__mmap)
+/* I don't think it is worthwhile trzing to use mmap2 whenever it
+ is available. Only use it when we are sure the syscall exists. */
+#ifdef __ASSUME_MMAP2_SYSCALL
+
+ /* Save registers. */
+ pushl %ebp
+ pushl %ebx
+ pushl %esi
+ pushl %edi
+
+ movl $SYS_ify(mmap2), %eax /* System call number in %eax. */
+
+ movl 20(%esp), %ebx
+ movl 24(%esp), %ecx
+ movl 28(%esp), %edx
+ movl 32(%esp), %esi
+ movl 36(%esp), %edi
+ movl 40(%esp), %ebp
+ shrl $12, %ebp /* mmap2 takes the offset in pages. */
+
+ /* Do the system call trap. */
+ int $0x80
+
+ /* Restore registers. */
+ popl %edi
+ popl %esi
+ popl %ebx
+ popl %ebp
+
+#else
+
/* Save registers. */
movl %ebx, %edx
/* Restore registers. */
movl %edx, %ebx
+#endif
+
/* If 0 > %eax > -4096 there was an error. */
cmpl $-4096, %eax
ja SYSCALL_ERROR_LABEL
PSEUDO_END (__mmap)
weak_alias (__mmap, mmap)
-weak_alias (__mmap, mmap64)
--- /dev/null
+/* Copyright (C) 1995, 1996, 1997, 1998, 1999 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sysdep.h>
+
+#include "kernel-features.h"
+
+#define EINVAL 22
+
+ .text
+
+ENTRY (__mmap64)
+
+#ifdef __NR_mmap2
+
+ /* Save registers. */
+ pushl %ebp
+ pushl %ebx
+ pushl %esi
+ pushl %edi
+
+ movl $SYS_ify(mmap2), %eax /* System call number in %eax. */
+
+ movl 40(%esp), %ebp
+ movl 44(%esp), %ecx
+ shrld $12, %ecx, %ebp /* mmap2 takes the offset in pages. */
+ shrl $12, %ecx
+ jne L(einval)
+
+ movl 20(%esp), %ebx
+ movl 24(%esp), %ecx
+ movl 28(%esp), %edx
+ movl 32(%esp), %esi
+ movl 36(%esp), %edi
+
+ /* Do the system call trap. */
+L(do_syscal):
+ int $0x80
+
+ /* If 0 > %eax > -4096 there was an error. */
+ cmpl $-4096, %eax
+ ja SYSCALL_ERROR_LABEL
+
+ /* Restore registers. */
+ popl %edi
+ popl %esi
+ popl %ebx
+ popl %ebp
+
+ /* Successful; return the syscall's value. */
+L(pseudo_end):
+ ret
+
+#ifndef __ASSUME_MMAP2_SYSCALL
+2:
+ cmp $-EINVAL, %eax
+ je 2f
+#endif
+
+ /* This means the offset value is too large. */
+L(einval):
+ popl %edi
+ popl %esi
+ popl %ebx
+ popl %ebp
+ movl $-EINVAL, %eax
+ jmp SYSCALL_ERROR_LABEL
+#endif
+
+#if !defined __ASSUME_MMAP2_SYSCALL || !defined __NR_mmap2
+
+# ifndef __NR_mmap2
+ /* Save registers. */
+ movl %ebx, %edx
+# endif
+
+ cmpl $0, 44(%esp)
+ jne L(einval)
+
+ movl $SYS_ify(mmap), %eax /* System call number in %eax. */
+
+ lea 4(%esp), %ebx /* Address of args is 1st arg. */
+
+# ifdef __NR_mmap2
+ jmp L(do_syscall)
+# else
+
+ /* Do the system call trap. */
+ int $0x80
+
+ /* Restore registers. */
+ movl %edx, %ebx
+
+ /* If 0 > %eax > -4096 there was an error. */
+ cmpl $-4096, %eax
+ ja SYSCALL_ERROR_LABEL
+
+ /* Successful; return the syscall's value. */
+L(pseudo_end):
+ ret
+
+L(einval):
+ movl $-EINVAL, %eax
+ jmp SYSCALL_ERROR_LABEL
+# endif
+#endif
+
+PSEUDO_END (__mmap64)
+
+weak_alias (__mmap64, mmap64)
#if __LINUX_KERNEL_VERSION >= 131865 && defined __i386__
# define __ASSUME_NEW_GETRLIMIT_SYSCALL 1
#endif
+
+/* On x86 the truncate64/ftruncate64 syscalls were introduced in 2.3.31. */
+#if __LINUX_KERNEL_VERSION >= 131871 && defined __i386__
+# define __ASSUME_TRUNCATE64_SYSCALL 1
+#endif
+
+/* On x86 the truncate64/ftruncate64 syscalls were introduced in 2.3.31. */
+#if __LINUX_KERNEL_VERSION >= 131871 && defined __i386__
+# define __ASSUME_MMAP2_SYSCALL 1
+#endif
--- /dev/null
+/* Copyright (C) 1997, 1998, 1999 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#include <sys/types.h>
+#include <errno.h>
+#include <unistd.h>
+
+#include <sysdep.h>
+#include <sys/syscall.h>
+
+#include "kernel-features.h"
+
+#ifdef __NR_truncate64
+static int have_no_truncate64;
+
+extern int __syscall_truncate64 (int fd, int high_length, int low_length);
+
+
+/* Truncate the file FD refers to to LENGTH bytes. */
+int
+truncate64 (path, length)
+ const char *path;
+ off64_t length;
+{
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+ if (! have_no_truncate64)
+#endif
+ {
+ int result = INLINE_SYSCALL (truncate64, 3, path, length >> 32,
+ length & 0xffffffff);
+
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+ if (result != -1 || errno != ENOSYS)
+#endif
+ return result;
+
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+ have_no_truncate64 = 1;
+#endif
+ }
+
+#ifndef __ASSUME_TRUNCATE64_SYSCALL
+ if ((off_t) length != length)
+ {
+ __set_errno (EINVAL);
+ return -1;
+ }
+ return truncate (path, (off_t) length);
+#endif
+}
+
+#else
+/* Use the generic implementation. */
+# include <sysdeps/generic/truncate64.c>
+#endif
projects / platform / upstream / glibc.git / commitdiff