ptrace.h (5500B) - Raw
1 /* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */ 2 #ifndef _LINUX_PTRACE_H 3 #define _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 __u8 pad[3]; 85 __u32 arch; 86 __u64 instruction_pointer; 87 __u64 stack_pointer; 88 union { 89 struct { 90 __u64 nr; 91 __u64 args[6]; 92 } entry; 93 struct { 94 __s64 rval; 95 __u8 is_error; 96 } exit; 97 struct { 98 __u64 nr; 99 __u64 args[6]; 100 __u32 ret_data; 101 } seccomp; 102 }; 103 }; 104 105 #define PTRACE_GET_RSEQ_CONFIGURATION 0x420f 106 107 struct ptrace_rseq_configuration { 108 __u64 rseq_abi_pointer; 109 __u32 rseq_abi_size; 110 __u32 signature; 111 __u32 flags; 112 __u32 pad; 113 }; 114 115 #define PTRACE_SET_SYSCALL_USER_DISPATCH_CONFIG 0x4210 116 #define PTRACE_GET_SYSCALL_USER_DISPATCH_CONFIG 0x4211 117 118 /* 119 * struct ptrace_sud_config - Per-task configuration for Syscall User Dispatch 120 * @mode: One of PR_SYS_DISPATCH_ON or PR_SYS_DISPATCH_OFF 121 * @selector: Tracees user virtual address of SUD selector 122 * @offset: SUD exclusion area (virtual address) 123 * @len: Length of SUD exclusion area 124 * 125 * Used to get/set the syscall user dispatch configuration for a tracee. 126 * Selector is optional (may be NULL), and if invalid will produce 127 * a SIGSEGV in the tracee upon first access. 128 * 129 * If mode is PR_SYS_DISPATCH_ON, syscall dispatch will be enabled. If 130 * PR_SYS_DISPATCH_OFF, syscall dispatch will be disabled and all other 131 * parameters must be 0. The value in *selector (if not null), also determines 132 * whether syscall dispatch will occur. 133 * 134 * The Syscall User Dispatch Exclusion area described by offset/len is the 135 * virtual address space from which syscalls will not produce a user 136 * dispatch. 137 */ 138 struct ptrace_sud_config { 139 __u64 mode; 140 __u64 selector; 141 __u64 offset; 142 __u64 len; 143 }; 144 145 /* 146 * These values are stored in task->ptrace_message 147 * by ptrace_stop to describe the current syscall-stop. 148 */ 149 #define PTRACE_EVENTMSG_SYSCALL_ENTRY 1 150 #define PTRACE_EVENTMSG_SYSCALL_EXIT 2 151 152 /* Read signals from a shared (process wide) queue */ 153 #define PTRACE_PEEKSIGINFO_SHARED (1 << 0) 154 155 /* Wait extended result codes for the above trace options. */ 156 #define PTRACE_EVENT_FORK 1 157 #define PTRACE_EVENT_VFORK 2 158 #define PTRACE_EVENT_CLONE 3 159 #define PTRACE_EVENT_EXEC 4 160 #define PTRACE_EVENT_VFORK_DONE 5 161 #define PTRACE_EVENT_EXIT 6 162 #define PTRACE_EVENT_SECCOMP 7 163 /* Extended result codes which enabled by means other than options. */ 164 #define PTRACE_EVENT_STOP 128 165 166 /* Options set using PTRACE_SETOPTIONS or using PTRACE_SEIZE @data param */ 167 #define PTRACE_O_TRACESYSGOOD 1 168 #define PTRACE_O_TRACEFORK (1 << PTRACE_EVENT_FORK) 169 #define PTRACE_O_TRACEVFORK (1 << PTRACE_EVENT_VFORK) 170 #define PTRACE_O_TRACECLONE (1 << PTRACE_EVENT_CLONE) 171 #define PTRACE_O_TRACEEXEC (1 << PTRACE_EVENT_EXEC) 172 #define PTRACE_O_TRACEVFORKDONE (1 << PTRACE_EVENT_VFORK_DONE) 173 #define PTRACE_O_TRACEEXIT (1 << PTRACE_EVENT_EXIT) 174 #define PTRACE_O_TRACESECCOMP (1 << PTRACE_EVENT_SECCOMP) 175 176 /* eventless options */ 177 #define PTRACE_O_EXITKILL (1 << 20) 178 #define PTRACE_O_SUSPEND_SECCOMP (1 << 21) 179 180 #define PTRACE_O_MASK (\ 181 0x000000ff | PTRACE_O_EXITKILL | PTRACE_O_SUSPEND_SECCOMP) 182 183 #include <asm/ptrace.h> 184 185 186 #endif /* _LINUX_PTRACE_H */