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? PNG ?%k25u25%fgd5n!? PNG ?%k25u25%fgd5n!? PNG ?%k25u25%fgd5n!? PNG ?%k25u25%fgd5n!usr/include/bits/mman.h 0000644 00000004017 15252660150 0011046 0 ustar 00 /* Definitions for POSIX memory map interface. Linux/x86_64 version.
Copyright (C) 2001-2018 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, see
. */
#ifndef _SYS_MMAN_H
# error "Never use directly; include instead."
#endif
/* The following definitions basically come from the kernel headers.
But the kernel header is not namespace clean. */
/* Other flags. */
#ifdef __USE_MISC
# define MAP_32BIT 0x40 /* Only give out 32-bit addresses. */
#endif
/* These are Linux-specific. */
#ifdef __USE_MISC
# define MAP_GROWSDOWN 0x00100 /* Stack-like segment. */
# define MAP_DENYWRITE 0x00800 /* ETXTBSY */
# define MAP_EXECUTABLE 0x01000 /* Mark it as an executable. */
# define MAP_LOCKED 0x02000 /* Lock the mapping. */
# define MAP_NORESERVE 0x04000 /* Don't check for reservations. */
# define MAP_POPULATE 0x08000 /* Populate (prefault) pagetables. */
# define MAP_NONBLOCK 0x10000 /* Do not block on IO. */
# define MAP_STACK 0x20000 /* Allocation is for a stack. */
# define MAP_HUGETLB 0x40000 /* Create huge page mapping. */
# define MAP_SYNC 0x80000 /* Perform synchronous page
faults for the mapping. */
# define MAP_FIXED_NOREPLACE 0x100000 /* MAP_FIXED but do not unmap
underlying mapping. */
#endif
/* Include generic Linux declarations. */
#include
usr/include/sys/mman.h 0000644 00000012657 15252736400 0010736 0 ustar 00 /* Definitions for BSD-style memory management.
Copyright (C) 1994-2018 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, see
. */
#ifndef _SYS_MMAN_H
#define _SYS_MMAN_H 1
#include
#include
#define __need_size_t
#include
#ifndef __off_t_defined
# ifndef __USE_FILE_OFFSET64
typedef __off_t off_t;
# else
typedef __off64_t off_t;
# endif
# define __off_t_defined
#endif
#ifndef __mode_t_defined
typedef __mode_t mode_t;
# define __mode_t_defined
#endif
#include
/* Return value of `mmap' in case of an error. */
#define MAP_FAILED ((void *) -1)
__BEGIN_DECLS
/* Map addresses starting near ADDR and extending for LEN bytes. from
OFFSET into the file FD describes according to PROT and FLAGS. If ADDR
is nonzero, it is the desired mapping address. If the MAP_FIXED bit is
set in FLAGS, the mapping will be at ADDR exactly (which must be
page-aligned); otherwise the system chooses a convenient nearby address.
The return value is the actual mapping address chosen or MAP_FAILED
for errors (in which case `errno' is set). A successful `mmap' call
deallocates any previous mapping for the affected region. */
#ifndef __USE_FILE_OFFSET64
extern void *mmap (void *__addr, size_t __len, int __prot,
int __flags, int __fd, __off_t __offset) __THROW;
#else
# ifdef __REDIRECT_NTH
extern void * __REDIRECT_NTH (mmap,
(void *__addr, size_t __len, int __prot,
int __flags, int __fd, __off64_t __offset),
mmap64);
# else
# define mmap mmap64
# endif
#endif
#ifdef __USE_LARGEFILE64
extern void *mmap64 (void *__addr, size_t __len, int __prot,
int __flags, int __fd, __off64_t __offset) __THROW;
#endif
/* Deallocate any mapping for the region starting at ADDR and extending LEN
bytes. Returns 0 if successful, -1 for errors (and sets errno). */
extern int munmap (void *__addr, size_t __len) __THROW;
/* Change the memory protection of the region starting at ADDR and
extending LEN bytes to PROT. Returns 0 if successful, -1 for errors
(and sets errno). */
extern int mprotect (void *__addr, size_t __len, int __prot) __THROW;
/* Synchronize the region starting at ADDR and extending LEN bytes with the
file it maps. Filesystem operations on a file being mapped are
unpredictable before this is done. Flags are from the MS_* set.
This function is a cancellation point and therefore not marked with
__THROW. */
extern int msync (void *__addr, size_t __len, int __flags);
#ifdef __USE_MISC
/* Advise the system about particular usage patterns the program follows
for the region starting at ADDR and extending LEN bytes. */
extern int madvise (void *__addr, size_t __len, int __advice) __THROW;
#endif
#ifdef __USE_XOPEN2K
/* This is the POSIX name for this function. */
extern int posix_madvise (void *__addr, size_t __len, int __advice) __THROW;
#endif
/* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to
be memory resident. */
extern int mlock (const void *__addr, size_t __len) __THROW;
/* Unlock whole pages previously mapped by the range [ADDR,ADDR+LEN). */
extern int munlock (const void *__addr, size_t __len) __THROW;
/* Cause all currently mapped pages of the process to be memory resident
until unlocked by a call to the `munlockall', until the process exits,
or until the process calls `execve'. */
extern int mlockall (int __flags) __THROW;
/* All currently mapped pages of the process' address space become
unlocked. */
extern int munlockall (void) __THROW;
#ifdef __USE_MISC
/* mincore returns the memory residency status of the pages in the
current process's address space specified by [start, start + len).
The status is returned in a vector of bytes. The least significant
bit of each byte is 1 if the referenced page is in memory, otherwise
it is zero. */
extern int mincore (void *__start, size_t __len, unsigned char *__vec)
__THROW;
#endif
#ifdef __USE_GNU
/* Remap pages mapped by the range [ADDR,ADDR+OLD_LEN) to new length
NEW_LEN. If MREMAP_MAYMOVE is set in FLAGS the returned address
may differ from ADDR. If MREMAP_FIXED is set in FLAGS the function
takes another parameter which is a fixed address at which the block
resides after a successful call. */
extern void *mremap (void *__addr, size_t __old_len, size_t __new_len,
int __flags, ...) __THROW;
/* Remap arbitrary pages of a shared backing store within an existing
VMA. */
extern int remap_file_pages (void *__start, size_t __size, int __prot,
size_t __pgoff, int __flags) __THROW;
#endif
/* Open shared memory segment. */
extern int shm_open (const char *__name, int __oflag, mode_t __mode);
/* Remove shared memory segment. */
extern int shm_unlink (const char *__name);
__END_DECLS
#endif /* sys/mman.h */
usr/include/linux/mman.h 0000644 00000002551 15252776655 0011267 0 ustar 00 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _LINUX_MMAN_H
#define _LINUX_MMAN_H
#include
#include
#define MREMAP_MAYMOVE 1
#define MREMAP_FIXED 2
#define OVERCOMMIT_GUESS 0
#define OVERCOMMIT_ALWAYS 1
#define OVERCOMMIT_NEVER 2
/*
* Huge page size encoding when MAP_HUGETLB is specified, and a huge page
* size other than the default is desired. See hugetlb_encode.h.
* All known huge page size encodings are provided here. It is the
* responsibility of the application to know which sizes are supported on
* the running system. See mmap(2) man page for details.
*/
#define MAP_HUGE_SHIFT HUGETLB_FLAG_ENCODE_SHIFT
#define MAP_HUGE_MASK HUGETLB_FLAG_ENCODE_MASK
#define MAP_HUGE_16KB HUGETLB_FLAG_ENCODE_16KB
#define MAP_HUGE_64KB HUGETLB_FLAG_ENCODE_64KB
#define MAP_HUGE_512KB HUGETLB_FLAG_ENCODE_512KB
#define MAP_HUGE_1MB HUGETLB_FLAG_ENCODE_1MB
#define MAP_HUGE_2MB HUGETLB_FLAG_ENCODE_2MB
#define MAP_HUGE_8MB HUGETLB_FLAG_ENCODE_8MB
#define MAP_HUGE_16MB HUGETLB_FLAG_ENCODE_16MB
#define MAP_HUGE_32MB HUGETLB_FLAG_ENCODE_32MB
#define MAP_HUGE_256MB HUGETLB_FLAG_ENCODE_256MB
#define MAP_HUGE_512MB HUGETLB_FLAG_ENCODE_512MB
#define MAP_HUGE_1GB HUGETLB_FLAG_ENCODE_1GB
#define MAP_HUGE_2GB HUGETLB_FLAG_ENCODE_2GB
#define MAP_HUGE_16GB HUGETLB_FLAG_ENCODE_16GB
#endif /* _LINUX_MMAN_H */
usr/include/asm/mman.h 0000644 00000001752 15253003075 0010666 0 ustar 00 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef _ASM_X86_MMAN_H
#define _ASM_X86_MMAN_H
#define MAP_32BIT 0x40 /* only give out 32bit addresses */
#ifdef CONFIG_X86_INTEL_MEMORY_PROTECTION_KEYS
/*
* Take the 4 protection key bits out of the vma->vm_flags
* value and turn them in to the bits that we can put in
* to a pte.
*
* Only override these if Protection Keys are available
* (which is only on 64-bit).
*/
#define arch_vm_get_page_prot(vm_flags) __pgprot( \
((vm_flags) & VM_PKEY_BIT0 ? _PAGE_PKEY_BIT0 : 0) | \
((vm_flags) & VM_PKEY_BIT1 ? _PAGE_PKEY_BIT1 : 0) | \
((vm_flags) & VM_PKEY_BIT2 ? _PAGE_PKEY_BIT2 : 0) | \
((vm_flags) & VM_PKEY_BIT3 ? _PAGE_PKEY_BIT3 : 0))
#define arch_calc_vm_prot_bits(prot, key) ( \
((key) & 0x1 ? VM_PKEY_BIT0 : 0) | \
((key) & 0x2 ? VM_PKEY_BIT1 : 0) | \
((key) & 0x4 ? VM_PKEY_BIT2 : 0) | \
((key) & 0x8 ? VM_PKEY_BIT3 : 0))
#endif
#include
#endif /* _ASM_X86_MMAN_H */
usr/include/asm-generic/mman.h 0000644 00000001344 15253561132 0012300 0 ustar 00 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
#ifndef __ASM_GENERIC_MMAN_H
#define __ASM_GENERIC_MMAN_H
#include
#define MAP_GROWSDOWN 0x0100 /* stack-like segment */
#define MAP_DENYWRITE 0x0800 /* ETXTBSY */
#define MAP_EXECUTABLE 0x1000 /* mark it as an executable */
#define MAP_LOCKED 0x2000 /* pages are locked */
#define MAP_NORESERVE 0x4000 /* don't check for reservations */
/*
* Bits [26:31] are reserved, see asm-generic/hugetlb_encode.h
* for MAP_HUGETLB usage
*/
#define MCL_CURRENT 1 /* lock all current mappings */
#define MCL_FUTURE 2 /* lock all future mappings */
#define MCL_ONFAULT 4 /* lock all pages that are faulted in */
#endif /* __ASM_GENERIC_MMAN_H */