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mirror of https://github.com/edk2-porting/linux-next.git synced 2024-12-20 11:13:58 +08:00
linux-next/scripts/checksyscalls.sh
Mike Rapoport 7bb7f2ac24 arch, mm: wire up memfd_secret system call where relevant
Wire up memfd_secret system call on architectures that define
ARCH_HAS_SET_DIRECT_MAP, namely arm64, risc-v and x86.

Link: https://lkml.kernel.org/r/20210518072034.31572-7-rppt@kernel.org
Signed-off-by: Mike Rapoport <rppt@linux.ibm.com>
Acked-by: Palmer Dabbelt <palmerdabbelt@google.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Acked-by: David Hildenbrand <david@redhat.com>
Acked-by: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Alexander Viro <viro@zeniv.linux.org.uk>
Cc: Andy Lutomirski <luto@kernel.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Christopher Lameter <cl@linux.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Cc: David Hildenbrand <david@redhat.com>
Cc: Elena Reshetova <elena.reshetova@intel.com>
Cc: Hagen Paul Pfeifer <hagen@jauu.net>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: "Kirill A. Shutemov" <kirill@shutemov.name>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Matthew Wilcox <willy@infradead.org>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Cc: Palmer Dabbelt <palmer@dabbelt.com>
Cc: Paul Walmsley <paul.walmsley@sifive.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Rick Edgecombe <rick.p.edgecombe@intel.com>
Cc: Roman Gushchin <guro@fb.com>
Cc: Shakeel Butt <shakeelb@google.com>
Cc: Shuah Khan <shuah@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Tycho Andersen <tycho@tycho.ws>
Cc: Will Deacon <will@kernel.org>
Cc: kernel test robot <lkp@intel.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2021-07-08 11:48:21 -07:00

270 lines
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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
#
# Check if current architecture are missing any function calls compared
# to i386.
# i386 define a number of legacy system calls that are i386 specific
# and listed below so they are ignored.
#
# Usage:
# checksyscalls.sh gcc gcc-options
#
ignore_list() {
cat << EOF
#include <asm/types.h>
#include <asm/unistd.h>
/* *at */
#define __IGNORE_open /* openat */
#define __IGNORE_link /* linkat */
#define __IGNORE_unlink /* unlinkat */
#define __IGNORE_mknod /* mknodat */
#define __IGNORE_chmod /* fchmodat */
#define __IGNORE_chown /* fchownat */
#define __IGNORE_mkdir /* mkdirat */
#define __IGNORE_rmdir /* unlinkat */
#define __IGNORE_lchown /* fchownat */
#define __IGNORE_access /* faccessat */
#define __IGNORE_rename /* renameat2 */
#define __IGNORE_readlink /* readlinkat */
#define __IGNORE_symlink /* symlinkat */
#define __IGNORE_utimes /* futimesat */
#define __IGNORE_stat /* fstatat */
#define __IGNORE_lstat /* fstatat */
#define __IGNORE_stat64 /* fstatat64 */
#define __IGNORE_lstat64 /* fstatat64 */
#ifndef __ARCH_WANT_SET_GET_RLIMIT
#define __IGNORE_getrlimit /* getrlimit */
#define __IGNORE_setrlimit /* setrlimit */
#endif
#ifndef __ARCH_WANT_MEMFD_SECRET
#define __IGNORE_memfd_secret
#endif
/* Missing flags argument */
#define __IGNORE_renameat /* renameat2 */
/* CLOEXEC flag */
#define __IGNORE_pipe /* pipe2 */
#define __IGNORE_dup2 /* dup3 */
#define __IGNORE_epoll_create /* epoll_create1 */
#define __IGNORE_inotify_init /* inotify_init1 */
#define __IGNORE_eventfd /* eventfd2 */
#define __IGNORE_signalfd /* signalfd4 */
/* MMU */
#ifndef CONFIG_MMU
#define __IGNORE_madvise
#define __IGNORE_mbind
#define __IGNORE_mincore
#define __IGNORE_mlock
#define __IGNORE_mlockall
#define __IGNORE_munlock
#define __IGNORE_munlockall
#define __IGNORE_mprotect
#define __IGNORE_msync
#define __IGNORE_migrate_pages
#define __IGNORE_move_pages
#define __IGNORE_remap_file_pages
#define __IGNORE_get_mempolicy
#define __IGNORE_set_mempolicy
#define __IGNORE_swapoff
#define __IGNORE_swapon
#endif
/* System calls for 32-bit kernels only */
#if BITS_PER_LONG == 64
#define __IGNORE_sendfile64
#define __IGNORE_ftruncate64
#define __IGNORE_truncate64
#define __IGNORE_stat64
#define __IGNORE_lstat64
#define __IGNORE_fstat64
#define __IGNORE_fcntl64
#define __IGNORE_fadvise64_64
#define __IGNORE_fstatat64
#define __IGNORE_fstatfs64
#define __IGNORE_statfs64
#define __IGNORE_llseek
#define __IGNORE_mmap2
#define __IGNORE_clock_gettime64
#define __IGNORE_clock_settime64
#define __IGNORE_clock_adjtime64
#define __IGNORE_clock_getres_time64
#define __IGNORE_clock_nanosleep_time64
#define __IGNORE_timer_gettime64
#define __IGNORE_timer_settime64
#define __IGNORE_timerfd_gettime64
#define __IGNORE_timerfd_settime64
#define __IGNORE_utimensat_time64
#define __IGNORE_pselect6_time64
#define __IGNORE_ppoll_time64
#define __IGNORE_io_pgetevents_time64
#define __IGNORE_recvmmsg_time64
#define __IGNORE_mq_timedsend_time64
#define __IGNORE_mq_timedreceive_time64
#define __IGNORE_semtimedop_time64
#define __IGNORE_rt_sigtimedwait_time64
#define __IGNORE_futex_time64
#define __IGNORE_sched_rr_get_interval_time64
#else
#define __IGNORE_sendfile
#define __IGNORE_ftruncate
#define __IGNORE_truncate
#define __IGNORE_stat
#define __IGNORE_lstat
#define __IGNORE_fstat
#define __IGNORE_fcntl
#define __IGNORE_fadvise64
#define __IGNORE_newfstatat
#define __IGNORE_fstatfs
#define __IGNORE_statfs
#define __IGNORE_lseek
#define __IGNORE_mmap
#define __IGNORE_clock_gettime
#define __IGNORE_clock_settime
#define __IGNORE_clock_adjtime
#define __IGNORE_clock_getres
#define __IGNORE_clock_nanosleep
#define __IGNORE_timer_gettime
#define __IGNORE_timer_settime
#define __IGNORE_timerfd_gettime
#define __IGNORE_timerfd_settime
#define __IGNORE_utimensat
#define __IGNORE_pselect6
#define __IGNORE_ppoll
#define __IGNORE_io_pgetevents
#define __IGNORE_recvmmsg
#define __IGNORE_mq_timedsend
#define __IGNORE_mq_timedreceive
#define __IGNORE_semtimedop
#define __IGNORE_rt_sigtimedwait
#define __IGNORE_futex
#define __IGNORE_sched_rr_get_interval
#define __IGNORE_gettimeofday
#define __IGNORE_settimeofday
#define __IGNORE_wait4
#define __IGNORE_adjtimex
#define __IGNORE_nanosleep
#define __IGNORE_io_getevents
#define __IGNORE_recvmmsg
#endif
/* i386-specific or historical system calls */
#define __IGNORE_break
#define __IGNORE_stty
#define __IGNORE_gtty
#define __IGNORE_ftime
#define __IGNORE_prof
#define __IGNORE_lock
#define __IGNORE_mpx
#define __IGNORE_ulimit
#define __IGNORE_profil
#define __IGNORE_ioperm
#define __IGNORE_iopl
#define __IGNORE_idle
#define __IGNORE_modify_ldt
#define __IGNORE_ugetrlimit
#define __IGNORE_vm86
#define __IGNORE_vm86old
#define __IGNORE_set_thread_area
#define __IGNORE_get_thread_area
#define __IGNORE_madvise1
#define __IGNORE_oldstat
#define __IGNORE_oldfstat
#define __IGNORE_oldlstat
#define __IGNORE_oldolduname
#define __IGNORE_olduname
#define __IGNORE_umount
#define __IGNORE_waitpid
#define __IGNORE_stime
#define __IGNORE_nice
#define __IGNORE_signal
#define __IGNORE_sigaction
#define __IGNORE_sgetmask
#define __IGNORE_sigsuspend
#define __IGNORE_sigpending
#define __IGNORE_ssetmask
#define __IGNORE_readdir
#define __IGNORE_socketcall
#define __IGNORE_ipc
#define __IGNORE_sigreturn
#define __IGNORE_sigprocmask
#define __IGNORE_bdflush
#define __IGNORE__llseek
#define __IGNORE__newselect
#define __IGNORE_create_module
#define __IGNORE_query_module
#define __IGNORE_get_kernel_syms
#define __IGNORE_sysfs
#define __IGNORE_uselib
#define __IGNORE__sysctl
#define __IGNORE_arch_prctl
#define __IGNORE_nfsservctl
/* ... including the "new" 32-bit uid syscalls */
#define __IGNORE_lchown32
#define __IGNORE_getuid32
#define __IGNORE_getgid32
#define __IGNORE_geteuid32
#define __IGNORE_getegid32
#define __IGNORE_setreuid32
#define __IGNORE_setregid32
#define __IGNORE_getgroups32
#define __IGNORE_setgroups32
#define __IGNORE_fchown32
#define __IGNORE_setresuid32
#define __IGNORE_getresuid32
#define __IGNORE_setresgid32
#define __IGNORE_getresgid32
#define __IGNORE_chown32
#define __IGNORE_setuid32
#define __IGNORE_setgid32
#define __IGNORE_setfsuid32
#define __IGNORE_setfsgid32
/* these can be expressed using other calls */
#define __IGNORE_alarm /* setitimer */
#define __IGNORE_creat /* open */
#define __IGNORE_fork /* clone */
#define __IGNORE_futimesat /* utimensat */
#define __IGNORE_getpgrp /* getpgid */
#define __IGNORE_getdents /* getdents64 */
#define __IGNORE_pause /* sigsuspend */
#define __IGNORE_poll /* ppoll */
#define __IGNORE_select /* pselect6 */
#define __IGNORE_epoll_wait /* epoll_pwait */
#define __IGNORE_time /* gettimeofday */
#define __IGNORE_uname /* newuname */
#define __IGNORE_ustat /* statfs */
#define __IGNORE_utime /* utimes */
#define __IGNORE_vfork /* clone */
/* sync_file_range had a stupid ABI. Allow sync_file_range2 instead */
#ifdef __NR_sync_file_range2
#define __IGNORE_sync_file_range
#endif
/* Unmerged syscalls for AFS, STREAMS, etc. */
#define __IGNORE_afs_syscall
#define __IGNORE_getpmsg
#define __IGNORE_putpmsg
#define __IGNORE_vserver
EOF
}
syscall_list() {
grep '^[0-9]' "$1" | sort -n |
while read nr abi name entry ; do
echo "#if !defined(__NR_${name}) && !defined(__IGNORE_${name})"
echo "#warning syscall ${name} not implemented"
echo "#endif"
done
}
(ignore_list && syscall_list $(dirname $0)/../arch/x86/entry/syscalls/syscall_32.tbl) | \
$* -E -x c - > /dev/null