+/* This type is opaque in this interface. It's defined by the user of
+ libthread_db. GDB's version is defined below. */
+struct ps_prochandle;
+
+
+/* Read or write process memory at the given address. */
+extern ps_err_e ps_pdread (struct ps_prochandle *,
+ psaddr_t, void *, size_t);
+extern ps_err_e ps_pdwrite (struct ps_prochandle *,
+ psaddr_t, const void *, size_t);
+extern ps_err_e ps_ptread (struct ps_prochandle *,
+ psaddr_t, void *, size_t);
+extern ps_err_e ps_ptwrite (struct ps_prochandle *,
+ psaddr_t, const void *, size_t);
+
+
+/* Get and set the given LWP's general or FPU register set. */
+extern ps_err_e ps_lgetregs (struct ps_prochandle *,
+ lwpid_t, prgregset_t);
+extern ps_err_e ps_lsetregs (struct ps_prochandle *,
+ lwpid_t, const prgregset_t);
+extern ps_err_e ps_lgetfpregs (struct ps_prochandle *,
+ lwpid_t, prfpregset_t *);
+extern ps_err_e ps_lsetfpregs (struct ps_prochandle *,
+ lwpid_t, const prfpregset_t *);
+
+/* Return the PID of the process. */
+extern pid_t ps_getpid (struct ps_prochandle *);
+
+/* Fetch the special per-thread address associated with the given LWP.
+ This call is only used on a few platforms (most use a normal register).
+ The meaning of the `int' parameter is machine-dependent. */
+extern ps_err_e ps_get_thread_area (const struct ps_prochandle *,
+ lwpid_t, int, psaddr_t *);
+
+
+/* Look up the named symbol in the named DSO in the symbol tables
+ associated with the process being debugged, filling in *SYM_ADDR
+ with the corresponding run-time address. */
+extern ps_err_e ps_pglobal_lookup (struct ps_prochandle *,
+ const char *object_name,
+ const char *sym_name,
+ psaddr_t *sym_addr);
+
+
+/* Stop or continue the entire process. */
+extern ps_err_e ps_pstop (struct ps_prochandle *);
+extern ps_err_e ps_pcontinue (struct ps_prochandle *);
+
+/* Stop or continue the given LWP alone. */
+extern ps_err_e ps_lstop (struct ps_prochandle *, lwpid_t);
+extern ps_err_e ps_lcontinue (struct ps_prochandle *, lwpid_t);
+
+/* The following are only defined in/called by Solaris. */
+
+/* Get size of extra register set. */
+extern ps_err_e ps_lgetxregsize (struct ps_prochandle *ph,
+ lwpid_t lwpid, int *xregsize);
+/* Get extra register set. */
+extern ps_err_e ps_lgetxregs (struct ps_prochandle *ph, lwpid_t lwpid,
+ caddr_t xregset);
+extern ps_err_e ps_lsetxregs (struct ps_prochandle *ph, lwpid_t lwpid,
+ caddr_t xregset);
+
+/* Log a message (sends to gdb_stderr). */
+extern void ps_plog (const char *fmt, ...);
+