include/sys/ptrace.h

   1 /* <sys/ptrace.h>
   2  * definitions for ptrace(2)
   3  */
   4
   5 #ifndef _PTRACE_H
   6 #define _PTRACE_H
   7
   8 /* Trace requests. */
   9 #define T_STOP         -1       /* stop the process */
  10 #define T_OK            0       /* enable tracing by parent for this process */
  11 #define T_GETINS        1       /* return value from instruction space */
  12 #define T_GETDATA       2       /* return value from data space */
  13 #define T_GETUSER       3       /* return value from user process table */
  14 #define T_SETINS        4       /* set value from instruction space */
  15 #define T_SETDATA       5       /* set value from data space */
  16 #define T_SETUSER       6       /* set value in user process table */
  17 #define T_RESUME        7       /* resume execution */
  18 #define T_EXIT          8       /* exit */
  19 #define T_STEP          9       /* set trace bit */
  20 #define T_SYSCALL       10      /* trace system call */
  21 #define T_ATTACH        11      /* attach to a running process */
  22 #define T_DETACH        12      /* detach from a traced process */
  23 #define T_SETOPT        13      /* set trace options */
  24 #define T_GETRANGE      14      /* get range of values */
  25 #define T_SETRANGE      15      /* set range of values */
  26 #define T_DUMPCORE      16      /* dumps the core for the process with the given pid */
  27
  28 #define T_READB_INS     100     /* Read a byte from the text segment of an
  29                                  * untraced process (only for root)
  30                                  */
  31 #define T_WRITEB_INS    101     /* Write a byte in the text segment of an
  32                                  * untraced process (only for root)
  33                                  */
  34
  35 /* Trace options. */
  36 #define TO_TRACEFORK    0x1     /* automatically attach to forked children */
  37 #define TO_ALTEXEC      0x2     /* send SIGSTOP on successful exec() */
  38 #define TO_NOEXEC       0x4     /* do not send signal on successful exec() */
  39
  40 /* Trace spaces. */
  41 #define TS_INS          0       /* text space */
  42 #define TS_DATA         1       /* data space */
  43
  44 /* Trance range structure. */
  45 struct ptrace_range {
  46   int pr_space;                 /* space in traced process */
  47   long pr_addr;                 /* address in traced process */
  48   void *pr_ptr;                 /* buffer in caller process */
  49   size_t pr_size;               /* size of range, in bytes */
  50 };
  51
  52 /* Function Prototypes. */
  53 #include <sys/cdefs.h>
  54
  55 __BEGIN_DECLS
  56 long ptrace(int _req, pid_t _pid, long _addr, long _data);
  57 __END_DECLS
  58
  59 #endif /* _PTRACE_H */