diff options
Diffstat (limited to 'include/uapi/linux/prctl.h')
-rw-r--r-- | include/uapi/linux/prctl.h | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/include/uapi/linux/prctl.h b/include/uapi/linux/prctl.h new file mode 100644 index 000000000000..289760f424aa --- /dev/null +++ b/include/uapi/linux/prctl.h | |||
@@ -0,0 +1,152 @@ | |||
1 | #ifndef _LINUX_PRCTL_H | ||
2 | #define _LINUX_PRCTL_H | ||
3 | |||
4 | /* Values to pass as first argument to prctl() */ | ||
5 | |||
6 | #define PR_SET_PDEATHSIG 1 /* Second arg is a signal */ | ||
7 | #define PR_GET_PDEATHSIG 2 /* Second arg is a ptr to return the signal */ | ||
8 | |||
9 | /* Get/set current->mm->dumpable */ | ||
10 | #define PR_GET_DUMPABLE 3 | ||
11 | #define PR_SET_DUMPABLE 4 | ||
12 | |||
13 | /* Get/set unaligned access control bits (if meaningful) */ | ||
14 | #define PR_GET_UNALIGN 5 | ||
15 | #define PR_SET_UNALIGN 6 | ||
16 | # define PR_UNALIGN_NOPRINT 1 /* silently fix up unaligned user accesses */ | ||
17 | # define PR_UNALIGN_SIGBUS 2 /* generate SIGBUS on unaligned user access */ | ||
18 | |||
19 | /* Get/set whether or not to drop capabilities on setuid() away from | ||
20 | * uid 0 (as per security/commoncap.c) */ | ||
21 | #define PR_GET_KEEPCAPS 7 | ||
22 | #define PR_SET_KEEPCAPS 8 | ||
23 | |||
24 | /* Get/set floating-point emulation control bits (if meaningful) */ | ||
25 | #define PR_GET_FPEMU 9 | ||
26 | #define PR_SET_FPEMU 10 | ||
27 | # define PR_FPEMU_NOPRINT 1 /* silently emulate fp operations accesses */ | ||
28 | # define PR_FPEMU_SIGFPE 2 /* don't emulate fp operations, send SIGFPE instead */ | ||
29 | |||
30 | /* Get/set floating-point exception mode (if meaningful) */ | ||
31 | #define PR_GET_FPEXC 11 | ||
32 | #define PR_SET_FPEXC 12 | ||
33 | # define PR_FP_EXC_SW_ENABLE 0x80 /* Use FPEXC for FP exception enables */ | ||
34 | # define PR_FP_EXC_DIV 0x010000 /* floating point divide by zero */ | ||
35 | # define PR_FP_EXC_OVF 0x020000 /* floating point overflow */ | ||
36 | # define PR_FP_EXC_UND 0x040000 /* floating point underflow */ | ||
37 | # define PR_FP_EXC_RES 0x080000 /* floating point inexact result */ | ||
38 | # define PR_FP_EXC_INV 0x100000 /* floating point invalid operation */ | ||
39 | # define PR_FP_EXC_DISABLED 0 /* FP exceptions disabled */ | ||
40 | # define PR_FP_EXC_NONRECOV 1 /* async non-recoverable exc. mode */ | ||
41 | # define PR_FP_EXC_ASYNC 2 /* async recoverable exception mode */ | ||
42 | # define PR_FP_EXC_PRECISE 3 /* precise exception mode */ | ||
43 | |||
44 | /* Get/set whether we use statistical process timing or accurate timestamp | ||
45 | * based process timing */ | ||
46 | #define PR_GET_TIMING 13 | ||
47 | #define PR_SET_TIMING 14 | ||
48 | # define PR_TIMING_STATISTICAL 0 /* Normal, traditional, | ||
49 | statistical process timing */ | ||
50 | # define PR_TIMING_TIMESTAMP 1 /* Accurate timestamp based | ||
51 | process timing */ | ||
52 | |||
53 | #define PR_SET_NAME 15 /* Set process name */ | ||
54 | #define PR_GET_NAME 16 /* Get process name */ | ||
55 | |||
56 | /* Get/set process endian */ | ||
57 | #define PR_GET_ENDIAN 19 | ||
58 | #define PR_SET_ENDIAN 20 | ||
59 | # define PR_ENDIAN_BIG 0 | ||
60 | # define PR_ENDIAN_LITTLE 1 /* True little endian mode */ | ||
61 | # define PR_ENDIAN_PPC_LITTLE 2 /* "PowerPC" pseudo little endian */ | ||
62 | |||
63 | /* Get/set process seccomp mode */ | ||
64 | #define PR_GET_SECCOMP 21 | ||
65 | #define PR_SET_SECCOMP 22 | ||
66 | |||
67 | /* Get/set the capability bounding set (as per security/commoncap.c) */ | ||
68 | #define PR_CAPBSET_READ 23 | ||
69 | #define PR_CAPBSET_DROP 24 | ||
70 | |||
71 | /* Get/set the process' ability to use the timestamp counter instruction */ | ||
72 | #define PR_GET_TSC 25 | ||
73 | #define PR_SET_TSC 26 | ||
74 | # define PR_TSC_ENABLE 1 /* allow the use of the timestamp counter */ | ||
75 | # define PR_TSC_SIGSEGV 2 /* throw a SIGSEGV instead of reading the TSC */ | ||
76 | |||
77 | /* Get/set securebits (as per security/commoncap.c) */ | ||
78 | #define PR_GET_SECUREBITS 27 | ||
79 | #define PR_SET_SECUREBITS 28 | ||
80 | |||
81 | /* | ||
82 | * Get/set the timerslack as used by poll/select/nanosleep | ||
83 | * A value of 0 means "use default" | ||
84 | */ | ||
85 | #define PR_SET_TIMERSLACK 29 | ||
86 | #define PR_GET_TIMERSLACK 30 | ||
87 | |||
88 | #define PR_TASK_PERF_EVENTS_DISABLE 31 | ||
89 | #define PR_TASK_PERF_EVENTS_ENABLE 32 | ||
90 | |||
91 | /* | ||
92 | * Set early/late kill mode for hwpoison memory corruption. | ||
93 | * This influences when the process gets killed on a memory corruption. | ||
94 | */ | ||
95 | #define PR_MCE_KILL 33 | ||
96 | # define PR_MCE_KILL_CLEAR 0 | ||
97 | # define PR_MCE_KILL_SET 1 | ||
98 | |||
99 | # define PR_MCE_KILL_LATE 0 | ||
100 | # define PR_MCE_KILL_EARLY 1 | ||
101 | # define PR_MCE_KILL_DEFAULT 2 | ||
102 | |||
103 | #define PR_MCE_KILL_GET 34 | ||
104 | |||
105 | /* | ||
106 | * Tune up process memory map specifics. | ||
107 | */ | ||
108 | #define PR_SET_MM 35 | ||
109 | # define PR_SET_MM_START_CODE 1 | ||
110 | # define PR_SET_MM_END_CODE 2 | ||
111 | # define PR_SET_MM_START_DATA 3 | ||
112 | # define PR_SET_MM_END_DATA 4 | ||
113 | # define PR_SET_MM_START_STACK 5 | ||
114 | # define PR_SET_MM_START_BRK 6 | ||
115 | # define PR_SET_MM_BRK 7 | ||
116 | # define PR_SET_MM_ARG_START 8 | ||
117 | # define PR_SET_MM_ARG_END 9 | ||
118 | # define PR_SET_MM_ENV_START 10 | ||
119 | # define PR_SET_MM_ENV_END 11 | ||
120 | # define PR_SET_MM_AUXV 12 | ||
121 | # define PR_SET_MM_EXE_FILE 13 | ||
122 | |||
123 | /* | ||
124 | * Set specific pid that is allowed to ptrace the current task. | ||
125 | * A value of 0 mean "no process". | ||
126 | */ | ||
127 | #define PR_SET_PTRACER 0x59616d61 | ||
128 | # define PR_SET_PTRACER_ANY ((unsigned long)-1) | ||
129 | |||
130 | #define PR_SET_CHILD_SUBREAPER 36 | ||
131 | #define PR_GET_CHILD_SUBREAPER 37 | ||
132 | |||
133 | /* | ||
134 | * If no_new_privs is set, then operations that grant new privileges (i.e. | ||
135 | * execve) will either fail or not grant them. This affects suid/sgid, | ||
136 | * file capabilities, and LSMs. | ||
137 | * | ||
138 | * Operations that merely manipulate or drop existing privileges (setresuid, | ||
139 | * capset, etc.) will still work. Drop those privileges if you want them gone. | ||
140 | * | ||
141 | * Changing LSM security domain is considered a new privilege. So, for example, | ||
142 | * asking selinux for a specific new context (e.g. with runcon) will result | ||
143 | * in execve returning -EPERM. | ||
144 | * | ||
145 | * See Documentation/prctl/no_new_privs.txt for more details. | ||
146 | */ | ||
147 | #define PR_SET_NO_NEW_PRIVS 38 | ||
148 | #define PR_GET_NO_NEW_PRIVS 39 | ||
149 | |||
150 | #define PR_GET_TID_ADDRESS 40 | ||
151 | |||
152 | #endif /* _LINUX_PRCTL_H */ | ||