1: /* Callback interface for libthread_db, functions users must define.
    2:    Copyright (C) 1999,2002,2003 Free Software Foundation, Inc.
    3:    This file is part of the GNU C Library.
    4: 
    5:    The GNU C Library is free software; you can redistribute it and/or
    6:    modify it under the terms of the GNU Lesser General Public
    7:    License as published by the Free Software Foundation; either
    8:    version 2.1 of the License, or (at your option) any later version.
    9: 
   10:    The GNU C Library is distributed in the hope that it will be useful,
   11:    but WITHOUT ANY WARRANTY; without even the implied warranty of
   12:    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   13:    Lesser General Public License for more details.
   14: 
   15:    You should have received a copy of the GNU Lesser General Public
   16:    License along with the GNU C Library; if not, write to the Free
   17:    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
   18:    02111-1307 USA.  */
   19: 
   20: /* The definitions in this file must correspond to those in the debugger.  */
   21: #include <sys/procfs.h>
   22: 
   23: /* Functions in this interface return one of these status codes.  */
   24: typedef enum
   25: {
   26:   PS_OK,                /* Generic "call succeeded".  */
   27:   PS_ERR,               /* Generic error. */
   28:   PS_BADPID,            /* Bad process handle.  */
   29:   PS_BADLID,            /* Bad LWP identifier.  */
   30:   PS_BADADDR,           /* Bad address.  */
   31:   PS_NOSYM,             /* Could not find given symbol.  */
   32:   PS_NOFREGS            /* FPU register set not available for given LWP.  */
   33: } ps_err_e;
   34: 
   35: 
   36: /* This type is opaque in this interface.
   37:    It's defined by the user of libthread_db.  */
   38: struct ps_prochandle;
   39: 
   40: 
   41: /* Read or write process memory at the given address.  */
   42: extern ps_err_e ps_pdread (struct ps_prochandle *,
   43:                            psaddr_t, void *, size_t);
   44: extern ps_err_e ps_pdwrite (struct ps_prochandle *,
   45:                             psaddr_t, const void *, size_t);
   46: extern ps_err_e ps_ptread (struct ps_prochandle *,
   47:                            psaddr_t, void *, size_t);
   48: extern ps_err_e ps_ptwrite (struct ps_prochandle *,
   49:                             psaddr_t, const void *, size_t);
   50: 
   51: 
   52: /* Get and set the given LWP's general or FPU register set.  */
   53: extern ps_err_e ps_lgetregs (struct ps_prochandle *,
   54:                              lwpid_t, prgregset_t);
   55: extern ps_err_e ps_lsetregs (struct ps_prochandle *,
   56:                              lwpid_t, const prgregset_t);
   57: extern ps_err_e ps_lgetfpregs (struct ps_prochandle *,
   58:                                lwpid_t, prfpregset_t *);
   59: extern ps_err_e ps_lsetfpregs (struct ps_prochandle *,
   60:                                lwpid_t, const prfpregset_t *);
   61: 
   62: /* Return the PID of the process.  */
   63: extern pid_t ps_getpid (struct ps_prochandle *);
   64: 
   65: /* Fetch the special per-thread address associated with the given LWP.
   66:    This call is only used on a few platforms (most use a normal register).
   67:    The meaning of the `int' parameter is machine-dependent.  */
   68: extern ps_err_e ps_get_thread_area (const struct ps_prochandle *,
   69:                                     lwpid_t, int, psaddr_t *);
   70: 
   71: 
   72: /* Look up the named symbol in the named DSO in the symbol tables
   73:    associated with the process being debugged, filling in *SYM_ADDR
   74:    with the corresponding run-time address.  */
   75: extern ps_err_e ps_pglobal_lookup (struct ps_prochandle *,
   76:                                    const char *object_name,
   77:                                    const char *sym_name,
   78:                                    psaddr_t *sym_addr);
   79: 
   80: 
   81: /* Stop or continue the entire process.  */
   82: extern ps_err_e ps_pstop (const struct ps_prochandle *);
   83: extern ps_err_e ps_pcontinue (const struct ps_prochandle *);
   84: 
   85: /* Stop or continue the given LWP alone.  */
   86: extern ps_err_e ps_lstop (const struct ps_prochandle *, lwpid_t);
   87: extern ps_err_e ps_lcontinue (const struct ps_prochandle *, lwpid_t);