/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ #ifndef _LINUX_PRCTL_H #define _LINUX_PRCTL_H #include <linux/types.h> /* Values to pass as first argument to prctl() */ #define PR_SET_PDEATHSIG … #define PR_GET_PDEATHSIG … /* Get/set current->mm->dumpable */ #define PR_GET_DUMPABLE … #define PR_SET_DUMPABLE … /* Get/set unaligned access control bits (if meaningful) */ #define PR_GET_UNALIGN … #define PR_SET_UNALIGN … #define PR_UNALIGN_NOPRINT … #define PR_UNALIGN_SIGBUS … /* Get/set whether or not to drop capabilities on setuid() away from * uid 0 (as per security/commoncap.c) */ #define PR_GET_KEEPCAPS … #define PR_SET_KEEPCAPS … /* Get/set floating-point emulation control bits (if meaningful) */ #define PR_GET_FPEMU … #define PR_SET_FPEMU … #define PR_FPEMU_NOPRINT … #define PR_FPEMU_SIGFPE … /* Get/set floating-point exception mode (if meaningful) */ #define PR_GET_FPEXC … #define PR_SET_FPEXC … #define PR_FP_EXC_SW_ENABLE … #define PR_FP_EXC_DIV … #define PR_FP_EXC_OVF … #define PR_FP_EXC_UND … #define PR_FP_EXC_RES … #define PR_FP_EXC_INV … #define PR_FP_EXC_DISABLED … #define PR_FP_EXC_NONRECOV … #define PR_FP_EXC_ASYNC … #define PR_FP_EXC_PRECISE … /* Get/set whether we use statistical process timing or accurate timestamp * based process timing */ #define PR_GET_TIMING … #define PR_SET_TIMING … #define PR_TIMING_STATISTICAL … #define PR_TIMING_TIMESTAMP … #define PR_SET_NAME … #define PR_GET_NAME … /* Get/set process endian */ #define PR_GET_ENDIAN … #define PR_SET_ENDIAN … #define PR_ENDIAN_BIG … #define PR_ENDIAN_LITTLE … #define PR_ENDIAN_PPC_LITTLE … /* Get/set process seccomp mode */ #define PR_GET_SECCOMP … #define PR_SET_SECCOMP … /* Get/set the capability bounding set (as per security/commoncap.c) */ #define PR_CAPBSET_READ … #define PR_CAPBSET_DROP … /* Get/set the process' ability to use the timestamp counter instruction */ #define PR_GET_TSC … #define PR_SET_TSC … #define PR_TSC_ENABLE … #define PR_TSC_SIGSEGV … /* Get/set securebits (as per security/commoncap.c) */ #define PR_GET_SECUREBITS … #define PR_SET_SECUREBITS … /* * Get/set the timerslack as used by poll/select/nanosleep * A value of 0 means "use default" */ #define PR_SET_TIMERSLACK … #define PR_GET_TIMERSLACK … #define PR_TASK_PERF_EVENTS_DISABLE … #define PR_TASK_PERF_EVENTS_ENABLE … /* * Set early/late kill mode for hwpoison memory corruption. * This influences when the process gets killed on a memory corruption. */ #define PR_MCE_KILL … #define PR_MCE_KILL_CLEAR … #define PR_MCE_KILL_SET … #define PR_MCE_KILL_LATE … #define PR_MCE_KILL_EARLY … #define PR_MCE_KILL_DEFAULT … #define PR_MCE_KILL_GET … /* * Tune up process memory map specifics. */ #define PR_SET_MM … #define PR_SET_MM_START_CODE … #define PR_SET_MM_END_CODE … #define PR_SET_MM_START_DATA … #define PR_SET_MM_END_DATA … #define PR_SET_MM_START_STACK … #define PR_SET_MM_START_BRK … #define PR_SET_MM_BRK … #define PR_SET_MM_ARG_START … #define PR_SET_MM_ARG_END … #define PR_SET_MM_ENV_START … #define PR_SET_MM_ENV_END … #define PR_SET_MM_AUXV … #define PR_SET_MM_EXE_FILE … #define PR_SET_MM_MAP … #define PR_SET_MM_MAP_SIZE … /* * 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 { … }; /* * Set specific pid that is allowed to ptrace the current task. * A value of 0 mean "no process". */ #define PR_SET_PTRACER … #define PR_SET_PTRACER_ANY … #define PR_SET_CHILD_SUBREAPER … #define PR_GET_CHILD_SUBREAPER … /* * 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/userspace-api/no_new_privs.rst for more details. */ #define PR_SET_NO_NEW_PRIVS … #define PR_GET_NO_NEW_PRIVS … #define PR_GET_TID_ADDRESS … #define PR_SET_THP_DISABLE … #define PR_GET_THP_DISABLE … /* * No longer implemented, but left here to ensure the numbers stay reserved: */ #define PR_MPX_ENABLE_MANAGEMENT … #define PR_MPX_DISABLE_MANAGEMENT … #define PR_SET_FP_MODE … #define PR_GET_FP_MODE … #define PR_FP_MODE_FR … #define PR_FP_MODE_FRE … /* Control the ambient capability set */ #define PR_CAP_AMBIENT … #define PR_CAP_AMBIENT_IS_SET … #define PR_CAP_AMBIENT_RAISE … #define PR_CAP_AMBIENT_LOWER … #define PR_CAP_AMBIENT_CLEAR_ALL … /* arm64 Scalable Vector Extension controls */ /* Flag values must be kept in sync with ptrace NT_ARM_SVE interface */ #define PR_SVE_SET_VL … #define PR_SVE_SET_VL_ONEXEC … #define PR_SVE_GET_VL … /* Bits common to PR_SVE_SET_VL and PR_SVE_GET_VL */ #define PR_SVE_VL_LEN_MASK … #define PR_SVE_VL_INHERIT … /* Per task speculation control */ #define PR_GET_SPECULATION_CTRL … #define PR_SET_SPECULATION_CTRL … /* Speculation control variants */ #define PR_SPEC_STORE_BYPASS … #define PR_SPEC_INDIRECT_BRANCH … #define PR_SPEC_L1D_FLUSH … /* Return and control values for PR_SET/GET_SPECULATION_CTRL */ #define PR_SPEC_NOT_AFFECTED … #define PR_SPEC_PRCTL … #define PR_SPEC_ENABLE … #define PR_SPEC_DISABLE … #define PR_SPEC_FORCE_DISABLE … #define PR_SPEC_DISABLE_NOEXEC … /* Reset arm64 pointer authentication keys */ #define PR_PAC_RESET_KEYS … #define PR_PAC_APIAKEY … #define PR_PAC_APIBKEY … #define PR_PAC_APDAKEY … #define PR_PAC_APDBKEY … #define PR_PAC_APGAKEY … /* Tagged user address controls for arm64 */ #define PR_SET_TAGGED_ADDR_CTRL … #define PR_GET_TAGGED_ADDR_CTRL … #define PR_TAGGED_ADDR_ENABLE … /* MTE tag check fault modes */ #define PR_MTE_TCF_NONE … #define PR_MTE_TCF_SYNC … #define PR_MTE_TCF_ASYNC … #define PR_MTE_TCF_MASK … /* MTE tag inclusion mask */ #define PR_MTE_TAG_SHIFT … #define PR_MTE_TAG_MASK … /* Unused; kept only for source compatibility */ #define PR_MTE_TCF_SHIFT … /* Control reclaim behavior when allocating memory */ #define PR_SET_IO_FLUSHER … #define PR_GET_IO_FLUSHER … /* Dispatch syscalls to a userspace handler */ #define PR_SET_SYSCALL_USER_DISPATCH … #define PR_SYS_DISPATCH_OFF … #define PR_SYS_DISPATCH_ON … /* The control values for the user space selector when dispatch is enabled */ #define SYSCALL_DISPATCH_FILTER_ALLOW … #define SYSCALL_DISPATCH_FILTER_BLOCK … /* Set/get enabled arm64 pointer authentication keys */ #define PR_PAC_SET_ENABLED_KEYS … #define PR_PAC_GET_ENABLED_KEYS … /* Request the scheduler to share a core */ #define PR_SCHED_CORE … #define PR_SCHED_CORE_GET … #define PR_SCHED_CORE_CREATE … #define PR_SCHED_CORE_SHARE_TO … #define PR_SCHED_CORE_SHARE_FROM … #define PR_SCHED_CORE_MAX … #define PR_SCHED_CORE_SCOPE_THREAD … #define PR_SCHED_CORE_SCOPE_THREAD_GROUP … #define PR_SCHED_CORE_SCOPE_PROCESS_GROUP … /* arm64 Scalable Matrix Extension controls */ /* Flag values must be in sync with SVE versions */ #define PR_SME_SET_VL … #define PR_SME_SET_VL_ONEXEC … #define PR_SME_GET_VL … /* Bits common to PR_SME_SET_VL and PR_SME_GET_VL */ #define PR_SME_VL_LEN_MASK … #define PR_SME_VL_INHERIT … /* Memory deny write / execute */ #define PR_SET_MDWE … #define PR_MDWE_REFUSE_EXEC_GAIN … #define PR_MDWE_NO_INHERIT … #define PR_GET_MDWE … #define PR_SET_VMA … #define PR_SET_VMA_ANON_NAME … #define PR_GET_AUXV … #define PR_SET_MEMORY_MERGE … #define PR_GET_MEMORY_MERGE … #define PR_RISCV_V_SET_CONTROL … #define PR_RISCV_V_GET_CONTROL … #define PR_RISCV_V_VSTATE_CTRL_DEFAULT … #define PR_RISCV_V_VSTATE_CTRL_OFF … #define PR_RISCV_V_VSTATE_CTRL_ON … #define PR_RISCV_V_VSTATE_CTRL_INHERIT … #define PR_RISCV_V_VSTATE_CTRL_CUR_MASK … #define PR_RISCV_V_VSTATE_CTRL_NEXT_MASK … #define PR_RISCV_V_VSTATE_CTRL_MASK … #define PR_RISCV_SET_ICACHE_FLUSH_CTX … #define PR_RISCV_CTX_SW_FENCEI_ON … #define PR_RISCV_CTX_SW_FENCEI_OFF … #define PR_RISCV_SCOPE_PER_PROCESS … #define PR_RISCV_SCOPE_PER_THREAD … /* PowerPC Dynamic Execution Control Register (DEXCR) controls */ #define PR_PPC_GET_DEXCR … #define PR_PPC_SET_DEXCR … /* DEXCR aspect to act on */ #define PR_PPC_DEXCR_SBHE … #define PR_PPC_DEXCR_IBRTPD … #define PR_PPC_DEXCR_SRAPD … #define PR_PPC_DEXCR_NPHIE … /* Action to apply / return */ #define PR_PPC_DEXCR_CTRL_EDITABLE … #define PR_PPC_DEXCR_CTRL_SET … #define PR_PPC_DEXCR_CTRL_CLEAR … #define PR_PPC_DEXCR_CTRL_SET_ONEXEC … #define PR_PPC_DEXCR_CTRL_CLEAR_ONEXEC … #define PR_PPC_DEXCR_CTRL_MASK … #endif /* _LINUX_PRCTL_H */
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