sys/linux: add rseq syscall

1 files changed, 22 insertions, 1 deletions

diff --git a/sys/linux/sys.txt b/sys/linux/sys.txt
index c688e81a6..92292a538 100644
--- a/sys/linux/sys.txt
+++ b/sys/linux/sys.txt
@@ -470,8 +470,30 @@ sched_getattr(pid pid, attr ptr[out, sched_attr], size len[attr], flags flags[sc
 sched_setattr(pid pid, attr ptr[in, sched_attr], flags flags[sched_attr_flags])
 sched_yield()
 getrandom(buf buffer[out], len len[buf], flags flags[getrandom_flags])
+
 membarrier(cmd flags[membarrier_cmd], flags const[0])
 
+membarrier_cmd = MEMBARRIER_CMD_GLOBAL, MEMBARRIER_CMD_GLOBAL_EXPEDITED, MEMBARRIER_CMD_PRIVATE_EXPEDITED, MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED, MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE, MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE
+
+rseq(rseq ptr[in, rseq], rseq_len bytesize[rseq], flags boolptr, sig const[0])
+
+rseq {
+	cpu_id_start	const[0, int32]
+	cpu_id		const[0, int32]
+	rseq_cs		ptr[in, rseq_cs, opt]
+	flags		flags[rseq_cs_flags, int32]
+} [align_32]
+
+rseq_cs {
+	version			const[0, int32]
+	flags			flags[rseq_cs_flags, int32]
+	start_ip		intptr
+	post_commit_offset	intptr
+	abort_ip		intptr
+} [align_32]
+
+rseq_cs_flags = RSEQ_CS_FLAG_NO_RESTART_ON_PREEMPT, RSEQ_CS_FLAG_NO_RESTART_ON_SIGNAL, RSEQ_CS_FLAG_NO_RESTART_ON_MIGRATE
+
 syz_open_procfs(pid pid, file ptr[in, string[procfs_file]]) fd
 
 procfs_file = "auxv", "cmdline", "environ", "autogroup", "cgroup", "clear_refs", "comm", "coredump_filter", "cpuset", "gid_map", "io", "limits", "loginuid", "maps", "mountinfo", "mounts", "mountstats", "numa_maps", "oom_adj", "oom_score", "oom_score_adj", "pagemap", "personality", "projid_map", "sched", "schedstat", "sessionid", "setgroups", "smaps", "smaps_rollup", "stack", "stat", "statm", "status", "syscall", "timers", "uid_map", "wchan", "map_files", "attr", "attr/current", "attr/exec", "attr/fscreate", "attr/keycreate", "attr/prev", "attr/sockcreate", "ns", "children", "task", "fd", "fd/3", "fd/4", "fdinfo", "fdinfo/3", "fdinfo/4", "net", "net/anycast6", "net/arp", "net/bnep", "net/connector", "net/dev", "net/dev_mcast", "net/dev_snmp6", "net/fib_trie", "net/fib_triestat", "net/hci", "net/icmp", "net/icmp6", "net/if_inet6", "net/igmp", "net/igmp6", "net/ip6_flowlabel", "net/ip6_mr_cache", "net/ip6_mr_vif", "net/ip6_tables_matches", "net/ip6_tables_names", "net/ip6_tables_targets", "net/ip_mr_cache", "net/ip_mr_vif", "net/ip_tables_matches", "net/ip_tables_names", "net/ip_tables_targets", "net/ipv6_route", "net/ipx", "net/l2cap", "net/llc", "net/mcfilter", "net/mcfilter6", "net/netfilter", "net/netlink", "net/netstat", "net/nfsfs", "net/packet", "net/protocols", "net/psched", "net/ptype", "net/raw", "net/raw6", "net/rfcomm", "net/route", "net/rpc", "net/rt6_stats", "net/rt_acct", "net/rt_cache", "net/sco", "net/sctp", "net/snmp", "net/snmp6", "net/sockstat", "net/sockstat6", "net/softnet_stat", "net/stat", "net/tcp", "net/tcp6", "net/udp", "net/udp6", "net/udplite", "net/udplite6", "net/unix", "net/wireless", "net/xfrm_stat", "net/ip_vs", "net/ip_vs_stats", "net/ip_vs_stats_percpu"
@@ -1015,7 +1037,6 @@ fiemap_flags = FIEMAP_FLAG_SYNC, FIEMAP_FLAG_XATTR, FIEMAP_FLAG_CACHE
 fiemap_extent_flags = FIEMAP_EXTENT_LAST, FIEMAP_EXTENT_UNKNOWN, FIEMAP_EXTENT_DELALLOC, FIEMAP_EXTENT_ENCODED, FIEMAP_EXTENT_DATA_ENCRYPTED, FIEMAP_EXTENT_NOT_ALIGNED, FIEMAP_EXTENT_DATA_INLINE, FIEMAP_EXTENT_DATA_TAIL, FIEMAP_EXTENT_UNWRITTEN, FIEMAP_EXTENT_MERGED, FIEMAP_EXTENT_SHARED
 getrandom_flags = GRND_NONBLOCK, GRND_RANDOM
 clone_flags = CLONE_VM, CLONE_FS, CLONE_FILES, CLONE_SIGHAND, CLONE_PTRACE, CLONE_VFORK, CLONE_PARENT, CLONE_THREAD, CLONE_NEWNS, CLONE_SYSVSEM, CLONE_SETTLS, CLONE_PARENT_SETTID, CLONE_CHILD_CLEARTID, CLONE_UNTRACED, CLONE_CHILD_SETTID, CLONE_NEWCGROUP, CLONE_NEWUTS, CLONE_NEWIPC, CLONE_NEWUSER, CLONE_NEWPID, CLONE_NEWNET, CLONE_IO
-membarrier_cmd = MEMBARRIER_CMD_GLOBAL, MEMBARRIER_CMD_GLOBAL_EXPEDITED, MEMBARRIER_CMD_PRIVATE_EXPEDITED, MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED, MEMBARRIER_CMD_PRIVATE_EXPEDITED_SYNC_CORE, MEMBARRIER_CMD_REGISTER_PRIVATE_EXPEDITED_SYNC_CORE
 
 kcov_ioctls = KCOV_INIT_TRACE, KCOV_ENABLE, KCOV_DISABLE
 kcov_modes = KCOV_TRACE_PC, KCOV_TRACE_CMP