1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _UAPI_LINUX_PTRACE_H 3 #define _UAPI_LINUX_PTRACE_H 4 /* ptrace.h */ 5 /* structs and defines to help the user use the ptrace system call. */ 6 7 /* has the defines to get at the registers. */ 8 9 #include <linux/types.h> 10 11 #define PTRACE_TRACEME 0 12 #define PTRACE_PEEKTEXT 1 13 #define PTRACE_PEEKDATA 2 14 #define PTRACE_PEEKUSR 3 15 #define PTRACE_POKETEXT 4 16 #define PTRACE_POKEDATA 5 17 #define PTRACE_POKEUSR 6 18 #define PTRACE_CONT 7 19 #define PTRACE_KILL 8 20 #define PTRACE_SINGLESTEP 9 21 22 #define PTRACE_ATTACH 16 23 #define PTRACE_DETACH 17 24 25 #define PTRACE_SYSCALL 24 26 27 /* 0x4200-0x4300 are reserved for architecture-independent additions. */ 28 #define PTRACE_SETOPTIONS 0x4200 29 #define PTRACE_GETEVENTMSG 0x4201 30 #define PTRACE_GETSIGINFO 0x4202 31 #define PTRACE_SETSIGINFO 0x4203 32 33 /* 34 * Generic ptrace interface that exports the architecture specific regsets 35 * using the corresponding NT_* types (which are also used in the core dump). 36 * Please note that the NT_PRSTATUS note type in a core dump contains a full 37 * 'struct elf_prstatus'. But the user_regset for NT_PRSTATUS contains just the 38 * elf_gregset_t that is the pr_reg field of 'struct elf_prstatus'. For all the 39 * other user_regset flavors, the user_regset layout and the ELF core dump note 40 * payload are exactly the same layout. 41 * 42 * This interface usage is as follows: 43 * struct iovec iov = { buf, len}; 44 * 45 * ret = ptrace(PTRACE_GETREGSET/PTRACE_SETREGSET, pid, NT_XXX_TYPE, &iov); 46 * 47 * On the successful completion, iov.len will be updated by the kernel, 48 * specifying how much the kernel has written/read to/from the user's iov.buf. 49 */ 50 #define PTRACE_GETREGSET 0x4204 51 #define PTRACE_SETREGSET 0x4205 52 53 #define PTRACE_SEIZE 0x4206 54 #define PTRACE_INTERRUPT 0x4207 55 #define PTRACE_LISTEN 0x4208 56 57 #define PTRACE_PEEKSIGINFO 0x4209 58 59 struct ptrace_peeksiginfo_args { 60 __u64 off; /* from which siginfo to start */ 61 __u32 flags; 62 __s32 nr; /* how may siginfos to take */ 63 }; 64 65 #define PTRACE_GETSIGMASK 0x420a 66 #define PTRACE_SETSIGMASK 0x420b 67 68 #define PTRACE_SECCOMP_GET_FILTER 0x420c 69 #define PTRACE_SECCOMP_GET_METADATA 0x420d 70 71 struct seccomp_metadata { 72 __u64 filter_off; /* Input: which filter */ 73 __u64 flags; /* Output: filter's flags */ 74 }; 75 76 #define PTRACE_GET_SYSCALL_INFO 0x420e 77 #define PTRACE_SYSCALL_INFO_NONE 0 78 #define PTRACE_SYSCALL_INFO_ENTRY 1 79 #define PTRACE_SYSCALL_INFO_EXIT 2 80 #define PTRACE_SYSCALL_INFO_SECCOMP 3 81 82 struct ptrace_syscall_info { 83 __u8 op; /* PTRACE_SYSCALL_INFO_* */ 84 __u32 arch __attribute__((__aligned__(sizeof(__u32)))); 85 __u64 instruction_pointer; 86 __u64 stack_pointer; 87 union { 88 struct { 89 __u64 nr; 90 __u64 args[6]; 91 } entry; 92 struct { 93 __s64 rval; 94 __u8 is_error; 95 } exit; 96 struct { 97 __u64 nr; 98 __u64 args[6]; 99 __u32 ret_data; 100 } seccomp; 101 }; 102 }; 103 104 /* 105 * These values are stored in task->ptrace_message 106 * by tracehook_report_syscall_* to describe the current syscall-stop. 107 */ 108 #define PTRACE_EVENTMSG_SYSCALL_ENTRY 1 109 #define PTRACE_EVENTMSG_SYSCALL_EXIT 2 110 111 /* Read signals from a shared (process wide) queue */ 112 #define PTRACE_PEEKSIGINFO_SHARED (1 << 0) 113 114 /* Wait extended result codes for the above trace options. */ 115 #define PTRACE_EVENT_FORK 1 116 #define PTRACE_EVENT_VFORK 2 117 #define PTRACE_EVENT_CLONE 3 118 #define PTRACE_EVENT_EXEC 4 119 #define PTRACE_EVENT_VFORK_DONE 5 120 #define PTRACE_EVENT_EXIT 6 121 #define PTRACE_EVENT_SECCOMP 7 122 /* Extended result codes which enabled by means other than options. */ 123 #define PTRACE_EVENT_STOP 128 124 125 /* Options set using PTRACE_SETOPTIONS or using PTRACE_SEIZE @data param */ 126 #define PTRACE_O_TRACESYSGOOD 1 127 #define PTRACE_O_TRACEFORK (1 << PTRACE_EVENT_FORK) 128 #define PTRACE_O_TRACEVFORK (1 << PTRACE_EVENT_VFORK) 129 #define PTRACE_O_TRACECLONE (1 << PTRACE_EVENT_CLONE) 130 #define PTRACE_O_TRACEEXEC (1 << PTRACE_EVENT_EXEC) 131 #define PTRACE_O_TRACEVFORKDONE (1 << PTRACE_EVENT_VFORK_DONE) 132 #define PTRACE_O_TRACEEXIT (1 << PTRACE_EVENT_EXIT) 133 #define PTRACE_O_TRACESECCOMP (1 << PTRACE_EVENT_SECCOMP) 134 135 /* eventless options */ 136 #define PTRACE_O_EXITKILL (1 << 20) 137 #define PTRACE_O_SUSPEND_SECCOMP (1 << 21) 138 139 #define PTRACE_O_MASK (\ 140 0x000000ff | PTRACE_O_EXITKILL | PTRACE_O_SUSPEND_SECCOMP) 141 142 #include <asm/ptrace.h> 143 144 145 #endif /* _UAPI_LINUX_PTRACE_H */ 146