| #ifndef _LINUX_PTRACE_H |
| #define _LINUX_PTRACE_H |
| /* ptrace.h */ |
| /* structs and defines to help the user use the ptrace system call. */ |
| |
| /* has the defines to get at the registers. */ |
| |
| #define PTRACE_TRACEME 0 |
| #define PTRACE_PEEKTEXT 1 |
| #define PTRACE_PEEKDATA 2 |
| #define PTRACE_PEEKUSR 3 |
| #define PTRACE_POKETEXT 4 |
| #define PTRACE_POKEDATA 5 |
| #define PTRACE_POKEUSR 6 |
| #define PTRACE_CONT 7 |
| #define PTRACE_KILL 8 |
| #define PTRACE_SINGLESTEP 9 |
| |
| #define PTRACE_ATTACH 0x10 |
| #define PTRACE_DETACH 0x11 |
| |
| #define PTRACE_SYSCALL 24 |
| #define PTRACE_SYSEMU 31 |
| |
| /* 0x4200-0x4300 are reserved for architecture-independent additions. */ |
| #define PTRACE_SETOPTIONS 0x4200 |
| #define PTRACE_GETEVENTMSG 0x4201 |
| #define PTRACE_GETSIGINFO 0x4202 |
| #define PTRACE_SETSIGINFO 0x4203 |
| |
| /* options set using PTRACE_SETOPTIONS */ |
| #define PTRACE_O_TRACESYSGOOD 0x00000001 |
| #define PTRACE_O_TRACEFORK 0x00000002 |
| #define PTRACE_O_TRACEVFORK 0x00000004 |
| #define PTRACE_O_TRACECLONE 0x00000008 |
| #define PTRACE_O_TRACEEXEC 0x00000010 |
| #define PTRACE_O_TRACEVFORKDONE 0x00000020 |
| #define PTRACE_O_TRACEEXIT 0x00000040 |
| |
| #define PTRACE_O_MASK 0x0000007f |
| |
| /* Wait extended result codes for the above trace options. */ |
| #define PTRACE_EVENT_FORK 1 |
| #define PTRACE_EVENT_VFORK 2 |
| #define PTRACE_EVENT_CLONE 3 |
| #define PTRACE_EVENT_EXEC 4 |
| #define PTRACE_EVENT_VFORK_DONE 5 |
| #define PTRACE_EVENT_EXIT 6 |
| |
| #include <asm/ptrace.h> |
| |
| #ifdef __KERNEL__ |
| /* |
| * Ptrace flags |
| */ |
| |
| #define PT_PTRACED 0x00000001 |
| #define PT_DTRACE 0x00000002 /* delayed trace (used on m68k, i386) */ |
| #define PT_TRACESYSGOOD 0x00000004 |
| #define PT_PTRACE_CAP 0x00000008 /* ptracer can follow suid-exec */ |
| #define PT_TRACE_FORK 0x00000010 |
| #define PT_TRACE_VFORK 0x00000020 |
| #define PT_TRACE_CLONE 0x00000040 |
| #define PT_TRACE_EXEC 0x00000080 |
| #define PT_TRACE_VFORK_DONE 0x00000100 |
| #define PT_TRACE_EXIT 0x00000200 |
| #define PT_ATTACHED 0x00000400 /* parent != real_parent */ |
| |
| #define PT_TRACE_MASK 0x000003f4 |
| |
| /* single stepping state bits (used on ARM and PA-RISC) */ |
| #define PT_SINGLESTEP_BIT 31 |
| #define PT_SINGLESTEP (1<<PT_SINGLESTEP_BIT) |
| #define PT_BLOCKSTEP_BIT 30 |
| #define PT_BLOCKSTEP (1<<PT_BLOCKSTEP_BIT) |
| |
| #include <linux/compiler.h> /* For unlikely. */ |
| #include <linux/sched.h> /* For struct task_struct. */ |
| |
| extern int ptrace_readdata(struct task_struct *tsk, unsigned long src, char __user *dst, int len); |
| extern int ptrace_writedata(struct task_struct *tsk, char __user *src, unsigned long dst, int len); |
| extern int ptrace_attach(struct task_struct *tsk); |
| extern int ptrace_detach(struct task_struct *, unsigned int); |
| extern void ptrace_disable(struct task_struct *); |
| extern int ptrace_check_attach(struct task_struct *task, int kill); |
| extern int ptrace_request(struct task_struct *child, long request, long addr, long data); |
| extern void ptrace_notify(int exit_code); |
| extern void __ptrace_link(struct task_struct *child, |
| struct task_struct *new_parent); |
| extern void __ptrace_unlink(struct task_struct *child); |
| extern void ptrace_untrace(struct task_struct *child); |
| |
| static inline void ptrace_link(struct task_struct *child, |
| struct task_struct *new_parent) |
| { |
| if (unlikely(child->ptrace)) |
| __ptrace_link(child, new_parent); |
| } |
| static inline void ptrace_unlink(struct task_struct *child) |
| { |
| if (unlikely(child->ptrace)) |
| __ptrace_unlink(child); |
| } |
| |
| |
| #ifndef force_successful_syscall_return |
| /* |
| * System call handlers that, upon successful completion, need to return a |
| * negative value should call force_successful_syscall_return() right before |
| * returning. On architectures where the syscall convention provides for a |
| * separate error flag (e.g., alpha, ia64, ppc{,64}, sparc{,64}, possibly |
| * others), this macro can be used to ensure that the error flag will not get |
| * set. On architectures which do not support a separate error flag, the macro |
| * is a no-op and the spurious error condition needs to be filtered out by some |
| * other means (e.g., in user-level, by passing an extra argument to the |
| * syscall handler, or something along those lines). |
| */ |
| #define force_successful_syscall_return() do { } while (0) |
| #endif |
| |
| #endif |
| |
| #endif |