[PATCH 06/19] tools include uapi: Grab a copy of linux/prctl.h
From: Arnaldo Carvalho de Melo
Date: Fri Nov 03 2017 - 09:55:54 EST
From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
We will use it to generate tables for beautifying prctl's 'option' arg
and some of the others eventually.
Cc: Andy Lutomirski <luto@xxxxxxxxxx>
Cc: Adrian Hunter <adrian.hunter@xxxxxxxxx>
Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Jiri Olsa <jolsa@xxxxxxxxxx>
Cc: Namhyung Kim <namhyung@xxxxxxxxxx>
Cc: Wang Nan <wangnan0@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-cg8mpmz4hk9nfih685emnbk9@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
tools/include/uapi/linux/prctl.h | 200 +++++++++++++++++++++++++++++++++++++++
tools/perf/check-headers.sh | 1 +
2 files changed, 201 insertions(+)
create mode 100644 tools/include/uapi/linux/prctl.h
diff --git a/tools/include/uapi/linux/prctl.h b/tools/include/uapi/linux/prctl.h
new file mode 100644
index 000000000000..a8d0759a9e40
--- /dev/null
+++ b/tools/include/uapi/linux/prctl.h
@@ -0,0 +1,200 @@
+#ifndef _LINUX_PRCTL_H
+#define _LINUX_PRCTL_H
+
+#include <linux/types.h>
+
+/* Values to pass as first argument to prctl() */
+
+#define PR_SET_PDEATHSIG 1 /* Second arg is a signal */
+#define PR_GET_PDEATHSIG 2 /* Second arg is a ptr to return the signal */
+
+/* Get/set current->mm->dumpable */
+#define PR_GET_DUMPABLE 3
+#define PR_SET_DUMPABLE 4
+
+/* Get/set unaligned access control bits (if meaningful) */
+#define PR_GET_UNALIGN 5
+#define PR_SET_UNALIGN 6
+# define PR_UNALIGN_NOPRINT 1 /* silently fix up unaligned user accesses */
+# define PR_UNALIGN_SIGBUS 2 /* generate SIGBUS on unaligned user access */
+
+/* Get/set whether or not to drop capabilities on setuid() away from
+ * uid 0 (as per security/commoncap.c) */
+#define PR_GET_KEEPCAPS 7
+#define PR_SET_KEEPCAPS 8
+
+/* Get/set floating-point emulation control bits (if meaningful) */
+#define PR_GET_FPEMU 9
+#define PR_SET_FPEMU 10
+# define PR_FPEMU_NOPRINT 1 /* silently emulate fp operations accesses */
+# define PR_FPEMU_SIGFPE 2 /* don't emulate fp operations, send SIGFPE instead */
+
+/* Get/set floating-point exception mode (if meaningful) */
+#define PR_GET_FPEXC 11
+#define PR_SET_FPEXC 12
+# define PR_FP_EXC_SW_ENABLE 0x80 /* Use FPEXC for FP exception enables */
+# define PR_FP_EXC_DIV 0x010000 /* floating point divide by zero */
+# define PR_FP_EXC_OVF 0x020000 /* floating point overflow */
+# define PR_FP_EXC_UND 0x040000 /* floating point underflow */
+# define PR_FP_EXC_RES 0x080000 /* floating point inexact result */
+# define PR_FP_EXC_INV 0x100000 /* floating point invalid operation */
+# define PR_FP_EXC_DISABLED 0 /* FP exceptions disabled */
+# define PR_FP_EXC_NONRECOV 1 /* async non-recoverable exc. mode */
+# define PR_FP_EXC_ASYNC 2 /* async recoverable exception mode */
+# define PR_FP_EXC_PRECISE 3 /* precise exception mode */
+
+/* Get/set whether we use statistical process timing or accurate timestamp
+ * based process timing */
+#define PR_GET_TIMING 13
+#define PR_SET_TIMING 14
+# define PR_TIMING_STATISTICAL 0 /* Normal, traditional,
+ statistical process timing */
+# define PR_TIMING_TIMESTAMP 1 /* Accurate timestamp based
+ process timing */
+
+#define PR_SET_NAME 15 /* Set process name */
+#define PR_GET_NAME 16 /* Get process name */
+
+/* Get/set process endian */
+#define PR_GET_ENDIAN 19
+#define PR_SET_ENDIAN 20
+# define PR_ENDIAN_BIG 0
+# define PR_ENDIAN_LITTLE 1 /* True little endian mode */
+# define PR_ENDIAN_PPC_LITTLE 2 /* "PowerPC" pseudo little endian */
+
+/* Get/set process seccomp mode */
+#define PR_GET_SECCOMP 21
+#define PR_SET_SECCOMP 22
+
+/* Get/set the capability bounding set (as per security/commoncap.c) */
+#define PR_CAPBSET_READ 23
+#define PR_CAPBSET_DROP 24
+
+/* Get/set the process' ability to use the timestamp counter instruction */
+#define PR_GET_TSC 25
+#define PR_SET_TSC 26
+# define PR_TSC_ENABLE 1 /* allow the use of the timestamp counter */
+# define PR_TSC_SIGSEGV 2 /* throw a SIGSEGV instead of reading the TSC */
+
+/* Get/set securebits (as per security/commoncap.c) */
+#define PR_GET_SECUREBITS 27
+#define PR_SET_SECUREBITS 28
+
+/*
+ * Get/set the timerslack as used by poll/select/nanosleep
+ * A value of 0 means "use default"
+ */
+#define PR_SET_TIMERSLACK 29
+#define PR_GET_TIMERSLACK 30
+
+#define PR_TASK_PERF_EVENTS_DISABLE 31
+#define PR_TASK_PERF_EVENTS_ENABLE 32
+
+/*
+ * Set early/late kill mode for hwpoison memory corruption.
+ * This influences when the process gets killed on a memory corruption.
+ */
+#define PR_MCE_KILL 33
+# define PR_MCE_KILL_CLEAR 0
+# define PR_MCE_KILL_SET 1
+
+# define PR_MCE_KILL_LATE 0
+# define PR_MCE_KILL_EARLY 1
+# define PR_MCE_KILL_DEFAULT 2
+
+#define PR_MCE_KILL_GET 34
+
+/*
+ * Tune up process memory map specifics.
+ */
+#define PR_SET_MM 35
+# define PR_SET_MM_START_CODE 1
+# define PR_SET_MM_END_CODE 2
+# define PR_SET_MM_START_DATA 3
+# define PR_SET_MM_END_DATA 4
+# define PR_SET_MM_START_STACK 5
+# define PR_SET_MM_START_BRK 6
+# define PR_SET_MM_BRK 7
+# define PR_SET_MM_ARG_START 8
+# define PR_SET_MM_ARG_END 9
+# define PR_SET_MM_ENV_START 10
+# define PR_SET_MM_ENV_END 11
+# define PR_SET_MM_AUXV 12
+# define PR_SET_MM_EXE_FILE 13
+# define PR_SET_MM_MAP 14
+# define PR_SET_MM_MAP_SIZE 15
+
+/*
+ * This structure provides new memory descriptor
+ * map which mostly modifies /proc/pid/stat[m]
+ * output for a task. This mostly done in a
+ * sake of checkpoint/restore functionality.
+ */
+struct prctl_mm_map {
+ __u64 start_code; /* code section bounds */
+ __u64 end_code;
+ __u64 start_data; /* data section bounds */
+ __u64 end_data;
+ __u64 start_brk; /* heap for brk() syscall */
+ __u64 brk;
+ __u64 start_stack; /* stack starts at */
+ __u64 arg_start; /* command line arguments bounds */
+ __u64 arg_end;
+ __u64 env_start; /* environment variables bounds */
+ __u64 env_end;
+ __u64 *auxv; /* auxiliary vector */
+ __u32 auxv_size; /* vector size */
+ __u32 exe_fd; /* /proc/$pid/exe link file */
+};
+
+/*
+ * Set specific pid that is allowed to ptrace the current task.
+ * A value of 0 mean "no process".
+ */
+#define PR_SET_PTRACER 0x59616d61
+# define PR_SET_PTRACER_ANY ((unsigned long)-1)
+
+#define PR_SET_CHILD_SUBREAPER 36
+#define PR_GET_CHILD_SUBREAPER 37
+
+/*
+ * If no_new_privs is set, then operations that grant new privileges (i.e.
+ * execve) will either fail or not grant them. This affects suid/sgid,
+ * file capabilities, and LSMs.
+ *
+ * Operations that merely manipulate or drop existing privileges (setresuid,
+ * capset, etc.) will still work. Drop those privileges if you want them gone.
+ *
+ * Changing LSM security domain is considered a new privilege. So, for example,
+ * asking selinux for a specific new context (e.g. with runcon) will result
+ * in execve returning -EPERM.
+ *
+ * See Documentation/prctl/no_new_privs.txt for more details.
+ */
+#define PR_SET_NO_NEW_PRIVS 38
+#define PR_GET_NO_NEW_PRIVS 39
+
+#define PR_GET_TID_ADDRESS 40
+
+#define PR_SET_THP_DISABLE 41
+#define PR_GET_THP_DISABLE 42
+
+/*
+ * Tell the kernel to start/stop helping userspace manage bounds tables.
+ */
+#define PR_MPX_ENABLE_MANAGEMENT 43
+#define PR_MPX_DISABLE_MANAGEMENT 44
+
+#define PR_SET_FP_MODE 45
+#define PR_GET_FP_MODE 46
+# define PR_FP_MODE_FR (1 << 0) /* 64b FP registers */
+# define PR_FP_MODE_FRE (1 << 1) /* 32b compatibility */
+
+/* Control the ambient capability set */
+#define PR_CAP_AMBIENT 47
+# define PR_CAP_AMBIENT_IS_SET 1
+# define PR_CAP_AMBIENT_RAISE 2
+# define PR_CAP_AMBIENT_LOWER 3
+# define PR_CAP_AMBIENT_CLEAR_ALL 4
+
+#endif /* _LINUX_PRCTL_H */
diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh
index 322629423b49..8d8b37198666 100755
--- a/tools/perf/check-headers.sh
+++ b/tools/perf/check-headers.sh
@@ -6,6 +6,7 @@ include/uapi/drm/i915_drm.h
include/uapi/linux/fcntl.h
include/uapi/linux/kvm.h
include/uapi/linux/perf_event.h
+include/uapi/linux/prctl.h
include/uapi/linux/sched.h
include/uapi/linux/stat.h
include/uapi/linux/vhost.h
--
2.13.6