1 files changed, 157 insertions, 0 deletions
diff --git a/pkg/abi/linux/prctl.go b/pkg/abi/linux/prctl.go
new file mode 100644
index 000000000..0428282dd
--- /dev/null
+++ b/pkg/abi/linux/prctl.go
@@ -0,0 +1,157 @@
+// Copyright 2018 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package linux
+
+// PR_* flags, from <linux/pcrtl.h> for prctl(2).
+const (
+	// PR_SET_PDEATHSIG sets the process' death signal.
+	PR_SET_PDEATHSIG = 1
+
+	// PR_GET_PDEATHSIG gets the process' death signal.
+	PR_GET_PDEATHSIG = 2
+
+	// PR_GET_DUMPABLE gets the process' dumpable flag.
+	PR_GET_DUMPABLE = 3
+
+	// PR_SET_DUMPABLE sets the process' dumpable flag.
+	PR_SET_DUMPABLE = 4
+
+	// PR_GET_KEEPCAPS gets the value of the keep capabilities flag.
+	PR_GET_KEEPCAPS = 7
+
+	// PR_SET_KEEPCAPS sets the value of the keep capabilities flag.
+	PR_SET_KEEPCAPS = 8
+
+	// PR_GET_TIMING gets the process' timing method.
+	PR_GET_TIMING = 13
+
+	// PR_SET_TIMING sets the process' timing method.
+	PR_SET_TIMING = 14
+
+	// PR_SET_NAME sets the process' name.
+	PR_SET_NAME = 15
+
+	// PR_GET_NAME gets the process' name.
+	PR_GET_NAME = 16
+
+	// PR_GET_SECCOMP gets a process' seccomp mode.
+	PR_GET_SECCOMP = 21
+
+	// PR_SET_SECCOMP sets a process' seccomp mode.
+	PR_SET_SECCOMP = 22
+
+	// PR_CAPBSET_READ gets the capability bounding set.
+	PR_CAPBSET_READ = 23
+
+	// PR_CAPBSET_DROP sets the capability bounding set.
+	PR_CAPBSET_DROP = 24
+
+	// PR_GET_TSC gets the value of the flag determining whether the
+	// timestamp counter can be read.
+	PR_GET_TSC = 25
+
+	// PR_SET_TSC sets the value of the flag determining whether the
+	// timestamp counter can be read.
+	PR_SET_TSC = 26
+
+	// PR_SET_TIMERSLACK sets the process' time slack.
+	PR_SET_TIMERSLACK = 29
+
+	// PR_GET_TIMERSLACK gets the process' time slack.
+	PR_GET_TIMERSLACK = 30
+
+	// PR_TASK_PERF_EVENTS_DISABLE disables all performance counters
+	// attached to the calling process.
+	PR_TASK_PERF_EVENTS_DISABLE = 31
+
+	// PR_TASK_PERF_EVENTS_ENABLE enables all performance counters attached
+	// to the calling process.
+	PR_TASK_PERF_EVENTS_ENABLE = 32
+
+	// PR_MCE_KILL sets the machine check memory corruption kill policy for
+	// the calling thread.
+	PR_MCE_KILL = 33
+
+	// PR_MCE_KILL_GET gets the machine check memory corruption kill policy
+	// for the calling thread.
+	PR_MCE_KILL_GET = 34
+
+	// PR_SET_MM modifies certain kernel memory map descriptor fields of
+	// the calling process. See prctl(2) for more information.
+	PR_SET_MM = 35
+
+	PR_SET_MM_START_CODE  = 1
+	PR_SET_MM_END_CODE    = 2
+	PR_SET_MM_START_DATA  = 3
+	PR_SET_MM_END_DATA    = 4
+	PR_SET_MM_START_STACK = 5
+	PR_SET_MM_START_BRK   = 6
+	PR_SET_MM_BRK         = 7
+	PR_SET_MM_ARG_START   = 8
+	PR_SET_MM_ARG_END     = 9
+	PR_SET_MM_ENV_START   = 10
+	PR_SET_MM_ENV_END     = 11
+	PR_SET_MM_AUXV        = 12
+	// PR_SET_MM_EXE_FILE supersedes the /proc/pid/exe symbolic link with a
+	// new one pointing to a new executable file identified by the file
+	// descriptor provided in arg3 argument. See prctl(2) for more
+	// information.
+	PR_SET_MM_EXE_FILE = 13
+	PR_SET_MM_MAP      = 14
+	PR_SET_MM_MAP_SIZE = 15
+
+	// PR_SET_CHILD_SUBREAPER sets the "child subreaper" attribute of the
+	// calling process.
+	PR_SET_CHILD_SUBREAPER = 36
+
+	// PR_GET_CHILD_SUBREAPER gets the "child subreaper" attribute of the
+	// calling process.
+	PR_GET_CHILD_SUBREAPER = 37
+
+	// PR_SET_NO_NEW_PRIVS sets the calling thread's no_new_privs bit.
+	PR_SET_NO_NEW_PRIVS = 38
+
+	// PR_GET_NO_NEW_PRIVS gets the calling thread's no_new_privs bit.
+	PR_GET_NO_NEW_PRIVS = 39
+
+	// PR_GET_TID_ADDRESS retrieves the clear_child_tid address.
+	PR_GET_TID_ADDRESS = 40
+
+	// PR_SET_THP_DISABLE sets the state of the "THP disable" flag for the
+	// calling thread.
+	PR_SET_THP_DISABLE = 41
+
+	// PR_GET_THP_DISABLE gets the state of the "THP disable" flag for the
+	// calling thread.
+	PR_GET_THP_DISABLE = 42
+
+	// PR_MPX_ENABLE_MANAGEMENT enables kernel management of Memory
+	// Protection eXtensions (MPX) bounds tables.
+	PR_MPX_ENABLE_MANAGEMENT = 43
+
+	// PR_MPX_DISABLE_MANAGEMENT disables kernel management of Memory
+	// Protection eXtensions (MPX) bounds tables.
+	PR_MPX_DISABLE_MANAGEMENT = 44
+)
+
+// From <asm/prctl.h>
+// Flags are used in syscall arch_prctl(2).
+const (
+	ARCH_SET_GS    = 0x1001
+	ARCH_SET_FS    = 0x1002
+	ARCH_GET_FS    = 0x1003
+	ARCH_GET_GS    = 0x1004
+	ARCH_SET_CPUID = 0x1012
+)