Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 215 insertions, 0 deletions

diff --git a/scripts/checksyscalls.sh b/scripts/checksyscalls.sh
new file mode 100755
index 000000000..ee3dfb5be
--- /dev/null
+++ b/scripts/checksyscalls.sh
@@ -0,0 +1,215 @@
+#!/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 */
+#if BITS_PER_LONG == 64
+#define __IGNORE_stat		/* fstatat */
+#define __IGNORE_lstat		/* fstatat */
+#else
+#define __IGNORE_stat64		/* fstatat64 */
+#define __IGNORE_lstat64	/* fstatat64 */
+#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
+#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
+#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
+
+/* ... 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