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29 * @(#)ptrace.h 8.2 (Berkeley) 1/4/94
33 #ifndef _SYS_PTRACE_H_
34 #define _SYS_PTRACE_H_
36 #include <sys/_sigset.h>
38 #define PT_TRACE_ME 0 /* child declares it's being traced */
39 #define PT_READ_I 1 /* read word in child's I space */
40 #define PT_READ_D 2 /* read word in child's D space */
41 /* was PT_READ_U 3 * read word in child's user structure */
42 #define PT_WRITE_I 4 /* write word in child's I space */
43 #define PT_WRITE_D 5 /* write word in child's D space */
44 /* was PT_WRITE_U 6 * write word in child's user structure */
45 #define PT_CONTINUE 7 /* continue the child */
46 #define PT_KILL 8 /* kill the child process */
47 #define PT_STEP 9 /* single step the child */
49 #define PT_ATTACH 10 /* trace some running process */
50 #define PT_DETACH 11 /* stop tracing a process */
51 #define PT_IO 12 /* do I/O to/from stopped process. */
52 #define PT_LWPINFO 13 /* Info about the LWP that stopped. */
53 #define PT_GETNUMLWPS 14 /* get total number of threads */
54 #define PT_GETLWPLIST 15 /* get thread list */
55 #define PT_CLEARSTEP 16 /* turn off single step */
56 #define PT_SETSTEP 17 /* turn on single step */
57 #define PT_SUSPEND 18 /* suspend a thread */
58 #define PT_RESUME 19 /* resume a thread */
64 #define PT_GETREGS 33 /* get general-purpose registers */
65 #define PT_SETREGS 34 /* set general-purpose registers */
66 #define PT_GETFPREGS 35 /* get floating-point registers */
67 #define PT_SETFPREGS 36 /* set floating-point registers */
68 #define PT_GETDBREGS 37 /* get debugging registers */
69 #define PT_SETDBREGS 38 /* set debugging registers */
70 #define PT_FIRSTMACH 64 /* for machine-specific requests */
71 #include <machine/ptrace.h> /* machine-specific requests, if any */
73 struct ptrace_io_desc {
74 int piod_op; /* I/O operation */
75 void *piod_offs; /* child offset */
76 void *piod_addr; /* parent offset */
77 size_t piod_len; /* request length */
81 * Operations in piod_op.
83 #define PIOD_READ_D 1 /* Read from D space */
84 #define PIOD_WRITE_D 2 /* Write to D space */
85 #define PIOD_READ_I 3 /* Read from I space */
86 #define PIOD_WRITE_I 4 /* Write to I space */
88 /* Argument structure for PT_LWPINFO. */
89 struct ptrace_lwpinfo {
90 lwpid_t pl_lwpid; /* LWP described. */
91 int pl_event; /* Event that stopped the LWP. */
92 #define PL_EVENT_NONE 0
93 #define PL_EVENT_SIGNAL 1
94 int pl_flags; /* LWP flags. */
95 #define PL_FLAG_SA 0x01 /* M:N thread */
96 #define PL_FLAG_BOUND 0x02 /* M:N bound thread */
97 sigset_t pl_sigmask; /* LWP signal mask */
98 sigset_t pl_siglist; /* LWP pending signal */
103 #define PTRACESTOP_SC(p, td, flag) \
104 if ((p)->p_flag & P_TRACED && (p)->p_stops & (flag)) { \
106 ptracestop((td), SIGTRAP); \
110 * The flags below are used for ptrace(2) tracing and have no relation
111 * to procfs. They are stored in struct proc's p_stops member.
113 #define S_PT_SCE 0x000010000
114 #define S_PT_SCX 0x000020000
116 int ptrace_set_pc(struct thread *_td, unsigned long _addr);
117 int ptrace_single_step(struct thread *_td);
118 int ptrace_clear_single_step(struct thread *_td);
120 #ifdef __HAVE_PTRACE_MACHDEP
121 int cpu_ptrace(struct thread *_td, int _req, void *_addr, int _data);
125 * These are prototypes for functions that implement some of the
126 * debugging functionality exported by procfs / linprocfs and by the
127 * ptrace(2) syscall. They used to be part of procfs, but they don't
128 * really belong there.
134 int proc_read_regs(struct thread *_td, struct reg *_reg);
135 int proc_write_regs(struct thread *_td, struct reg *_reg);
136 int proc_read_fpregs(struct thread *_td, struct fpreg *_fpreg);
137 int proc_write_fpregs(struct thread *_td, struct fpreg *_fpreg);
138 int proc_read_dbregs(struct thread *_td, struct dbreg *_dbreg);
139 int proc_write_dbregs(struct thread *_td, struct dbreg *_dbreg);
140 int proc_sstep(struct thread *_td);
141 int proc_rwmem(struct proc *_p, struct uio *_uio);
146 int proc_read_regs32(struct thread *_td, struct reg32 *_reg32);
147 int proc_write_regs32(struct thread *_td, struct reg32 *_reg32);
148 int proc_read_fpregs32(struct thread *_td, struct fpreg32 *_fpreg32);
149 int proc_write_fpregs32(struct thread *_td, struct fpreg32 *_fpreg32);
150 int proc_read_dbregs32(struct thread *_td, struct dbreg32 *_dbreg32);
151 int proc_write_dbregs32(struct thread *_td, struct dbreg32 *_dbreg32);
155 #include <sys/cdefs.h>
158 int ptrace(int _request, pid_t _pid, caddr_t _addr, int _data);
161 #endif /* !_KERNEL */
163 #endif /* !_SYS_PTRACE_H_ */