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linux(4): Deduplicate unimpl/dummy syscall handlers

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No functional change.

Reviewed by:	emaste, trasz
Differential Revision:	https://reviews.freebsd.org/D27099
This commit is contained in:
Conrad Meyer 2020-11-05 19:30:31 +00:00
parent 6998d5b1c8
commit e9b13c6612
12 changed files with 242 additions and 440 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

188
sys/amd64/linux/linux_dummy.c
View File

@ -1,188 +0,0 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2013 Dmitry Chagin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/sdt.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <amd64/linux/linux.h>
#include <amd64/linux/linux_proto.h>
#include <compat/linux/linux_dtrace.h>
#include <compat/linux/linux_util.h>
/* DTrace init */
LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
UNIMPLEMENTED(afs_syscall);
UNIMPLEMENTED(create_module); /* Added in Linux 1.0 removed in 2.6. */
UNIMPLEMENTED(epoll_ctl_old);
UNIMPLEMENTED(epoll_wait_old);
UNIMPLEMENTED(get_kernel_syms); /* Added in Linux 1.0 removed in 2.6. */
UNIMPLEMENTED(get_thread_area);
UNIMPLEMENTED(getpmsg);
UNIMPLEMENTED(nfsservctl); /* Added in Linux 2.2 removed in 3.1. */
UNIMPLEMENTED(putpmsg);
UNIMPLEMENTED(query_module); /* Added in Linux 2.2 removed in 2.6. */
UNIMPLEMENTED(tuxcall);
UNIMPLEMENTED(security);
UNIMPLEMENTED(set_thread_area);
UNIMPLEMENTED(uselib);
UNIMPLEMENTED(vserver);
DUMMY(setfsuid);
DUMMY(setfsgid);
DUMMY(sysfs);
DUMMY(vhangup);
DUMMY(modify_ldt);
DUMMY(pivot_root);
DUMMY(adjtimex);
DUMMY(swapoff);
DUMMY(init_module);
DUMMY(ioperm);
DUMMY(delete_module);
DUMMY(quotactl);
DUMMY(readahead);
DUMMY(io_setup);
DUMMY(io_destroy);
DUMMY(io_getevents);
DUMMY(io_submit);
DUMMY(io_cancel);
DUMMY(lookup_dcookie);
DUMMY(remap_file_pages);
DUMMY(restart_syscall);
DUMMY(semtimedop);
DUMMY(mbind);
DUMMY(get_mempolicy);
DUMMY(set_mempolicy);
DUMMY(mq_open);
DUMMY(mq_unlink);
DUMMY(mq_timedsend);
DUMMY(mq_timedreceive);
DUMMY(mq_notify);
DUMMY(mq_getsetattr);
DUMMY(kexec_load);
/* Linux 2.6.11: */
DUMMY(add_key);
DUMMY(request_key);
DUMMY(keyctl);
/* Linux 2.6.13: */
DUMMY(ioprio_set);
DUMMY(ioprio_get);
DUMMY(inotify_init);
DUMMY(inotify_add_watch);
DUMMY(inotify_rm_watch);
/* Linux 2.6.16: */
DUMMY(migrate_pages);
DUMMY(unshare);
/* Linux 2.6.17: */
DUMMY(tee);
DUMMY(vmsplice);
/* Linux 2.6.18: */
DUMMY(move_pages);
/* Linux 2.6.22: */
DUMMY(signalfd);
/* Linux 2.6.27: */
DUMMY(signalfd4);
DUMMY(inotify_init1);
/* Linux 2.6.31: */
DUMMY(perf_event_open);
/* Linux 2.6.36: */
DUMMY(fanotify_init);
DUMMY(fanotify_mark);
/* Linux 2.6.39: */
DUMMY(name_to_handle_at);
DUMMY(open_by_handle_at);
DUMMY(clock_adjtime);
/* Linux 3.0: */
DUMMY(setns);
/* Linux 3.2: */
DUMMY(process_vm_readv);
DUMMY(process_vm_writev);
/* Linux 3.5: */
DUMMY(kcmp);
/* Linux 3.8: */
DUMMY(finit_module);
DUMMY(sched_setattr);
DUMMY(sched_getattr);
/* Linux 3.15: */
DUMMY(kexec_file_load);
/* Linux 3.17: */
DUMMY(seccomp);
/* Linux 3.18: */
DUMMY(bpf);
/* Linux 3.19: */
DUMMY(execveat);
/* Linux 4.2: */
DUMMY(userfaultfd);
/* Linux 4.3: */
DUMMY(membarrier);
/* Linux 4.4: */
DUMMY(mlock2);
/* Linux 4.6: */
DUMMY(preadv2);
DUMMY(pwritev2);
/* Linux 4.8: */
DUMMY(pkey_mprotect);
DUMMY(pkey_alloc);
DUMMY(pkey_free);
/* Linux 4.11: */
DUMMY(statx);
/* Linux 4.18: */
DUMMY(io_pgetevents);
DUMMY(rseq);
/* Linux 5.0: */
DUMMY(pidfd_send_signal);
DUMMY(io_uring_setup);
DUMMY(io_uring_enter);
DUMMY(io_uring_register);
#define DUMMY_XATTR(s) \
int \
linux_ ## s ## xattr( \
struct thread *td, struct linux_ ## s ## xattr_args *arg) \
{ \
\
return (EOPNOTSUPP); \
}
DUMMY_XATTR(set);
DUMMY_XATTR(lset);
DUMMY_XATTR(fset);
DUMMY_XATTR(get);
DUMMY_XATTR(lget);
DUMMY_XATTR(fget);
DUMMY_XATTR(list);
DUMMY_XATTR(llist);
DUMMY_XATTR(flist);
DUMMY_XATTR(remove);
DUMMY_XATTR(lremove);
DUMMY_XATTR(fremove);

74
sys/amd64/linux/linux_dummy_machdep.c Normal file
View File

@ -0,0 +1,74 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2013 Dmitry Chagin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/sdt.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <amd64/linux/linux.h>
#include <amd64/linux/linux_proto.h>
#include <compat/linux/linux_dtrace.h>
#include <compat/linux/linux_util.h>
/* DTrace init */
LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
/*
* Before adding new stubs to this file, please check if a stub can be added to
* the machine-independent code in sys/compat/linux/linux_dummy.c (or
* sys/x86/linux/linux_dummy_x86.c).
*/
UNIMPLEMENTED(get_thread_area);
UNIMPLEMENTED(set_thread_area);
UNIMPLEMENTED(uselib);
DUMMY(modify_ldt);
DUMMY(ioperm);
DUMMY(io_setup);
DUMMY(io_destroy);
DUMMY(io_getevents);
DUMMY(io_submit);
DUMMY(io_cancel);
DUMMY(mq_open);
DUMMY(mq_unlink);
DUMMY(mq_timedsend);
DUMMY(mq_timedreceive);
DUMMY(mq_notify);
DUMMY(mq_getsetattr);
DUMMY(readahead);
DUMMY(restart_syscall);
DUMMY(semtimedop);
/* Linux 3.15: */
DUMMY(kexec_file_load);

115
sys/amd64/linux32/linux32_dummy.c
View File

@ -43,119 +43,29 @@ __FBSDID("$FreeBSD$");
/* DTrace init */
LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
UNIMPLEMENTED(afs_syscall);
UNIMPLEMENTED(break);
UNIMPLEMENTED(create_module); /* Added in Linux 1.0 removed in 2.6. */
UNIMPLEMENTED(ftime);
UNIMPLEMENTED(get_kernel_syms); /* Added in Linux 1.0 removed in 2.6. */
UNIMPLEMENTED(getpmsg);
UNIMPLEMENTED(gtty);
UNIMPLEMENTED(stty);
UNIMPLEMENTED(lock);
UNIMPLEMENTED(mpx);
UNIMPLEMENTED(nfsservctl); /* Added in Linux 2.2 removed in 3.1. */
UNIMPLEMENTED(prof);
UNIMPLEMENTED(profil);
UNIMPLEMENTED(putpmsg);
UNIMPLEMENTED(query_module); /* Added in Linux 2.2 removed in 2.6. */
UNIMPLEMENTED(ulimit);
UNIMPLEMENTED(vserver);
DUMMY(stime);
DUMMY(olduname);
DUMMY(uname);
DUMMY(vhangup);
DUMMY(swapoff);
DUMMY(adjtimex);
DUMMY(init_module);
DUMMY(delete_module);
DUMMY(quotactl);
DUMMY(bdflush);
DUMMY(sysfs);
DUMMY(setfsuid);
DUMMY(setfsgid);
DUMMY(pivot_root);
DUMMY(ptrace);
DUMMY(lookup_dcookie);
DUMMY(remap_file_pages);
DUMMY(mbind);
DUMMY(get_mempolicy);
DUMMY(set_mempolicy);
DUMMY(mq_open);
DUMMY(mq_unlink);
DUMMY(mq_timedsend);
DUMMY(mq_timedreceive);
DUMMY(mq_notify);
DUMMY(mq_getsetattr);
DUMMY(kexec_load);
/* Linux 2.6.11: */
DUMMY(add_key);
DUMMY(request_key);
DUMMY(keyctl);
/* Linux 2.6.13: */
DUMMY(ioprio_set);
DUMMY(ioprio_get);
DUMMY(inotify_init);
DUMMY(inotify_add_watch);
DUMMY(inotify_rm_watch);
/* Linux 2.6.16: */
DUMMY(migrate_pages);
DUMMY(unshare);
/* Linux 2.6.17: */
DUMMY(tee);
DUMMY(vmsplice);
/* Linux 2.6.18: */
DUMMY(move_pages);
/* Linux 2.6.22: */
DUMMY(signalfd);
/* Linux 2.6.27: */
DUMMY(signalfd4);
DUMMY(inotify_init1);
/* Linux 2.6.31: */
DUMMY(perf_event_open);
/* Linux 2.6.36: */
DUMMY(fanotify_init);
DUMMY(fanotify_mark);
/* Linux 2.6.39: */
DUMMY(name_to_handle_at);
DUMMY(open_by_handle_at);
DUMMY(clock_adjtime);
/* Linux 3.0: */
DUMMY(setns);
/* Linux 3.2: */
DUMMY(process_vm_readv);
DUMMY(process_vm_writev);
/* Linux 3.5: */
DUMMY(kcmp);
/* Linux 3.8: */
DUMMY(finit_module);
DUMMY(sched_setattr);
DUMMY(sched_getattr);
/* Linux 3.17: */
DUMMY(seccomp);
/* Linux 3.18: */
DUMMY(bpf);
/* Linux 3.19: */
DUMMY(execveat);
/* Linux 4.2: */
DUMMY(userfaultfd);
/* Linux 4.3: */
DUMMY(membarrier);
/* Linux 4.4: */
DUMMY(mlock2);
/* Linux 4.6: */
DUMMY(preadv2);
DUMMY(pwritev2);
/* Linux 4.8: */
DUMMY(pkey_mprotect);
DUMMY(pkey_alloc);
DUMMY(pkey_free);
/* Linux 4.11: */
DUMMY(statx);
DUMMY(arch_prctl);
/* Linux 4.18: */
DUMMY(io_pgetevents);
DUMMY(rseq);
/* Linux 5.0: */
DUMMY(clock_gettime64);
DUMMY(clock_settime64);
@ -177,28 +87,3 @@ DUMMY(semtimedop_time64);
DUMMY(rt_sigtimedwait_time64);
DUMMY(futex_time64);
DUMMY(sched_rr_get_interval_time64);
DUMMY(pidfd_send_signal);
DUMMY(io_uring_setup);
DUMMY(io_uring_enter);
DUMMY(io_uring_register);
#define DUMMY_XATTR(s) \
int \
linux_ ## s ## xattr( \
struct thread *td, struct linux_ ## s ## xattr_args *arg) \
{ \
\
return (EOPNOTSUPP); \
}
DUMMY_XATTR(set);
DUMMY_XATTR(lset);
DUMMY_XATTR(fset);
DUMMY_XATTR(get);
DUMMY_XATTR(lget);
DUMMY_XATTR(fget);
DUMMY_XATTR(list);
DUMMY_XATTR(llist);
DUMMY_XATTR(flist);
DUMMY_XATTR(remove);
DUMMY_XATTR(lremove);
DUMMY_XATTR(fremove);

63
sys/arm64/linux/linux_dummy_machdep.c Normal file
View File

@ -0,0 +1,63 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2013 Dmitry Chagin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_compat.h"
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/sdt.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <arm64/linux/linux.h>
#include <arm64/linux/linux_proto.h>
#include <compat/linux/linux_dtrace.h>
#include <compat/linux/linux_util.h>
/* DTrace init */
LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
/*
* Before adding new stubs to this file, please check if a stub can be added to
* the machine-independent code in sys/compat/linux/linux_dummy.c.
*/
UNIMPLEMENTED(get_thread_area);
UNIMPLEMENTED(set_thread_area);
UNIMPLEMENTED(uselib);
DUMMY(mq_open);
DUMMY(mq_unlink);
DUMMY(mq_timedsend);
DUMMY(mq_timedreceive);
DUMMY(mq_notify);
DUMMY(mq_getsetattr);
DUMMY(semtimedop);

24
sys/arm64/linux/linux_dummy.c → sys/compat/linux/linux_dummy.c
View File

@ -37,14 +37,17 @@ __FBSDID("$FreeBSD$");
#include <sys/systm.h>
#include <sys/proc.h>
#include <arm64/linux/linux.h>
#include <arm64/linux/linux_proto.h>
#ifdef COMPAT_LINUX32
#include <machine/../linux32/linux.h>
#include <machine/../linux32/linux32_proto.h>
#else
#include <machine/../linux/linux.h>
#include <machine/../linux/linux_proto.h>
#endif
#include <compat/linux/linux_dtrace.h>
#include <compat/linux/linux_util.h>
// LINUXTODO: deduplicate arm64 dummy against other archs?
// LINUXTODO: review/update/add unimplemented syscalls
/* DTrace init */
LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
@ -53,15 +56,11 @@ UNIMPLEMENTED(create_module); /* Added in Linux 1.0 removed in 2.6. */
UNIMPLEMENTED(epoll_ctl_old);
UNIMPLEMENTED(epoll_wait_old);
UNIMPLEMENTED(get_kernel_syms); /* Added in Linux 1.0 removed in 2.6. */
UNIMPLEMENTED(get_thread_area);
UNIMPLEMENTED(getpmsg);
UNIMPLEMENTED(nfsservctl); /* Added in Linux 2.2 removed in 3.1. */
UNIMPLEMENTED(putpmsg);
UNIMPLEMENTED(query_module); /* Added in Linux 2.2 removed in 2.6. */
UNIMPLEMENTED(security);
UNIMPLEMENTED(set_thread_area);
UNIMPLEMENTED(tuxcall);
UNIMPLEMENTED(uselib);
UNIMPLEMENTED(vserver);
DUMMY(setfsuid);
@ -74,16 +73,9 @@ DUMMY(init_module);
DUMMY(delete_module);
DUMMY(lookup_dcookie);
DUMMY(remap_file_pages);
DUMMY(semtimedop);
DUMMY(mbind);
DUMMY(get_mempolicy);
DUMMY(set_mempolicy);
DUMMY(mq_open);
DUMMY(mq_unlink);
DUMMY(mq_timedsend);
DUMMY(mq_timedreceive);
DUMMY(mq_notify);
DUMMY(mq_getsetattr);
DUMMY(kexec_load);
/* Linux 2.6.11: */
DUMMY(add_key);

2
sys/conf/files.amd64
View File

@ -412,6 +412,7 @@ amd64/linux32/linux32_support.s optional compat_linux32 \
dependency "linux32_assym.h"
amd64/linux32/linux32_sysent.c optional compat_linux32
amd64/linux32/linux32_sysvec.c optional compat_linux32
compat/linux/linux_dummy.c optional compat_linux32
compat/linux/linux_emul.c optional compat_linux32
compat/linux/linux_errno.c optional compat_linux32
compat/linux/linux_file.c optional compat_linux32
@ -435,6 +436,7 @@ compat/linux/linux_vdso.c optional compat_linux32
compat/linux/linux_common.c optional compat_linux32
compat/linux/linux_event.c optional compat_linux32
compat/linux/linux.c optional compat_linux32
x86/linux/linux_dummy_x86.c optional compat_linux32
dev/amr/amr_linux.c optional compat_linux32 amr
dev/mfi/mfi_linux.c optional compat_linux32 mfi
compat/ndis/winx64_wrap.S optional ndisapi pci

4
sys/conf/files.i386
View File

@ -52,6 +52,7 @@ cddl/dev/dtrace/i386/dtrace_asm.S optional dtrace compile-with "${DTRACE_S}"
cddl/dev/dtrace/i386/dtrace_subr.c optional dtrace compile-with "${DTRACE_C}"
compat/linprocfs/linprocfs.c optional linprocfs
compat/linsysfs/linsysfs.c optional linsysfs
compat/linux/linux_dummy.c optional compat_linux
compat/linux/linux_event.c optional compat_linux
compat/linux/linux_emul.c optional compat_linux
compat/linux/linux_errno.c optional compat_linux
@ -200,7 +201,7 @@ i386/i386/vm86.c standard
i386/i386/vm_machdep.c standard
i386/linux/imgact_linux.c optional compat_linux
i386/linux/linux_copyout.c optional compat_linux
i386/linux/linux_dummy.c optional compat_linux
i386/linux/linux_dummy_machdep.c optional compat_linux
i386/linux/linux_machdep.c optional compat_linux
i386/linux/linux_ptrace.c optional compat_linux
i386/linux/linux_sysent.c optional compat_linux
@ -240,6 +241,7 @@ x86/isa/atpic.c optional atpic
x86/isa/elcr.c optional atpic | apic
x86/isa/isa.c optional isa
x86/isa/isa_dma.c optional isa
x86/linux/linux_dummy_x86.c optional compat_linux
x86/x86/io_apic.c optional apic
x86/x86/local_apic.c optional apic
x86/x86/mptable.c optional apic

127
sys/i386/linux/linux_dummy.c → sys/i386/linux/linux_dummy_machdep.c
View File

@ -43,115 +43,31 @@ __FBSDID("$FreeBSD$");
/* DTrace init */
LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
UNIMPLEMENTED(afs_syscall);
/*
* Before adding new stubs to this file, please check if a stub can be added to
* the machine-independent code in sys/compat/linux/linux_dummy.c (or
* sys/x86/linux/linux_dummy_x86.c).
*/
UNIMPLEMENTED(break);
UNIMPLEMENTED(create_module); /* Added in Linux 1.0 removed in 2.6. */
UNIMPLEMENTED(ftime);
UNIMPLEMENTED(get_kernel_syms); /* Added in Linux 1.0 removed in 2.6. */
UNIMPLEMENTED(getpmsg);
UNIMPLEMENTED(gtty);
UNIMPLEMENTED(stty);
UNIMPLEMENTED(lock);
UNIMPLEMENTED(mpx);
UNIMPLEMENTED(nfsservctl); /* Added in Linux 2.2 removed in 3.1. */
UNIMPLEMENTED(prof);
UNIMPLEMENTED(profil);
UNIMPLEMENTED(putpmsg);
UNIMPLEMENTED(query_module); /* Added in Linux 2.2 removed in 2.6. */
UNIMPLEMENTED(ulimit);
UNIMPLEMENTED(vserver);
DUMMY(stime);
DUMMY(bdflush);
DUMMY(fstat);
DUMMY(olduname);
DUMMY(stime);
DUMMY(uname);
DUMMY(vhangup);
DUMMY(vm86old);
DUMMY(swapoff);
DUMMY(adjtimex);
DUMMY(init_module);
DUMMY(delete_module);
DUMMY(quotactl);
DUMMY(bdflush);
DUMMY(sysfs);
DUMMY(vm86);
DUMMY(setfsuid);
DUMMY(setfsgid);
DUMMY(pivot_root);
DUMMY(lookup_dcookie);
DUMMY(remap_file_pages);
DUMMY(mbind);
DUMMY(get_mempolicy);
DUMMY(set_mempolicy);
DUMMY(kexec_load);
/* Linux 2.6.11: */
DUMMY(add_key);
DUMMY(request_key);
DUMMY(keyctl);
/* Linux 2.6.13: */
DUMMY(ioprio_set);
DUMMY(ioprio_get);
DUMMY(inotify_init);
DUMMY(inotify_add_watch);
DUMMY(inotify_rm_watch);
/* Linux 2.6.16: */
DUMMY(migrate_pages);
DUMMY(unshare);
/* Linux 2.6.17: */
DUMMY(tee);
DUMMY(vmsplice);
/* Linux 2.6.18: */
DUMMY(move_pages);
/* Linux 2.6.22: */
DUMMY(signalfd);
/* Linux 2.6.27: */
DUMMY(signalfd4);
DUMMY(inotify_init1);
/* Linux 2.6.31: */
DUMMY(perf_event_open);
/* Linux 2.6.36: */
DUMMY(fanotify_init);
DUMMY(fanotify_mark);
/* Linux 2.6.39: */
DUMMY(name_to_handle_at);
DUMMY(open_by_handle_at);
DUMMY(clock_adjtime);
/* Linux 3.0: */
DUMMY(setns);
/* Linux 3.2: */
DUMMY(process_vm_readv);
DUMMY(process_vm_writev);
/* Linux 3.5: */
DUMMY(kcmp);
/* Linux 3.8: */
DUMMY(finit_module);
DUMMY(sched_setattr);
DUMMY(sched_getattr);
/* Linux 3.17: */
DUMMY(seccomp);
/* Linux 3.18: */
DUMMY(bpf);
/* Linux 3.19: */
DUMMY(execveat);
/* Linux 4.2: */
DUMMY(userfaultfd);
/* Linux 4.3: */
DUMMY(membarrier);
/* Linux 4.4: */
DUMMY(mlock2);
/* Linux 4.6: */
DUMMY(preadv2);
DUMMY(pwritev2);
/* Linux 4.8: */
DUMMY(pkey_mprotect);
DUMMY(pkey_alloc);
DUMMY(pkey_free);
DUMMY(vm86old);
/* Linux 4.11: */
DUMMY(statx);
DUMMY(arch_prctl);
/* Linux 4.18: */
DUMMY(io_pgetevents);
DUMMY(rseq);
/* Linux 5.0: */
DUMMY(clock_gettime64);
DUMMY(clock_settime64);
@ -173,28 +89,3 @@ DUMMY(semtimedop_time64);
DUMMY(rt_sigtimedwait_time64);
DUMMY(futex_time64);
DUMMY(sched_rr_get_interval_time64);
DUMMY(pidfd_send_signal);
DUMMY(io_uring_setup);
DUMMY(io_uring_enter);
DUMMY(io_uring_register);
#define DUMMY_XATTR(s) \
int \
linux_ ## s ## xattr( \
struct thread *td, struct linux_ ## s ## xattr_args *arg) \
{ \
\
return (EOPNOTSUPP); \
}
DUMMY_XATTR(set);
DUMMY_XATTR(lset);
DUMMY_XATTR(fset);
DUMMY_XATTR(get);
DUMMY_XATTR(lget);
DUMMY_XATTR(fget);
DUMMY_XATTR(list);
DUMMY_XATTR(llist);
DUMMY_XATTR(flist);
DUMMY_XATTR(remove);
DUMMY_XATTR(lremove);
DUMMY_XATTR(fremove);

6
sys/modules/linux/Makefile
View File

@ -6,6 +6,9 @@ CFLAGS+=-DCOMPAT_FREEBSD32 -DCOMPAT_LINUX32
.endif
.PATH: ${SRCTOP}/sys/compat/linux ${SRCTOP}/sys/${MACHINE_CPUARCH}/linux${SFX}
.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
.PATH: ${SRCTOP}/sys/x86/linux
.endif
VDSO= linux${SFX}_vdso
@ -18,6 +21,9 @@ SRCS= linux_fork.c linux${SFX}_dummy.c linux_file.c linux_event.c \
linux_timer.c linux_vdso.c \
opt_inet6.h opt_compat.h opt_posix.h opt_usb.h vnode_if.h \
device_if.h bus_if.h
.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
SRCS+= linux_dummy_x86.c
.endif
.if ${MACHINE_CPUARCH} == "amd64"
SRCS+= linux${SFX}_support.s
.else

8
sys/modules/linux64/Makefile
View File

@ -1,11 +1,14 @@
# $FreeBSD$
.PATH: ${SRCTOP}/sys/compat/linux ${SRCTOP}/sys/${MACHINE}/linux
.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
.PATH: ${SRCTOP}/sys/x86/linux
.endif
VDSO= linux_vdso
KMOD= linux64
SRCS= linux_fork.c linux_dummy.c linux_file.c linux_event.c \
SRCS= linux_fork.c linux_dummy_machdep.c linux_file.c linux_event.c \
linux_futex.c linux_getcwd.c linux_ioctl.c linux_ipc.c \
linux_machdep.c linux_misc.c linux_ptrace.c linux_signal.c \
linux_socket.c linux_stats.c linux_sysctl.c linux_sysent.c \
@ -13,6 +16,9 @@ SRCS= linux_fork.c linux_dummy.c linux_file.c linux_event.c \
opt_compat.h opt_inet6.h opt_posix.h opt_usb.h \
vnode_if.h device_if.h bus_if.h \
linux_support.s
.if ${MACHINE_CPUARCH} == "i386" || ${MACHINE_CPUARCH} == "amd64"
SRCS+= linux_dummy_x86.c
.endif
DPSRCS= assym.inc linux_genassym.c
# XXX: for assym.inc

2
sys/modules/linux_common/Makefile
View File

@ -4,7 +4,7 @@
KMOD= linux_common
SRCS= linux_common.c linux_mib.c linux_mmap.c linux_util.c linux_emul.c \
linux_errno.c \
linux_dummy.c linux_errno.c \
linux.c device_if.h vnode_if.h bus_if.h opt_inet6.h
EXPORT_SYMS=

69
sys/x86/linux/linux_dummy_x86.c Normal file
View File

@ -0,0 +1,69 @@
/*-
* SPDX-License-Identifier: BSD-2-Clause-FreeBSD
*
* Copyright (c) 2013 Dmitry Chagin
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_compat.h"
#include <sys/param.h>
#include <sys/kernel.h>
#include <sys/sdt.h>
#include <sys/systm.h>
#include <sys/proc.h>
#ifdef COMPAT_LINUX32
#include <machine/../linux32/linux.h>
#include <machine/../linux32/linux32_proto.h>
#else
#include <machine/../linux/linux.h>
#include <machine/../linux/linux_proto.h>
#endif
#include <compat/linux/linux_dtrace.h>
#include <compat/linux/linux_util.h>
/* DTrace init */
LIN_SDT_PROVIDER_DECLARE(LINUX_DTRACE);
DUMMY(sysfs);
DUMMY(quotactl);
/* Linux 2.6.13: */
DUMMY(inotify_init);
/* Linux 2.6.22: */
DUMMY(signalfd);
/* Linux 4.11: */
DUMMY(statx);
/* Linux 4.18: */
DUMMY(io_pgetevents);
DUMMY(rseq);
/* Linux 5.0: */
DUMMY(pidfd_send_signal);
DUMMY(io_uring_setup);
DUMMY(io_uring_enter);
DUMMY(io_uring_register);