1 /*
   2  * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #ifndef _PROC_SERVICE_H_
  26 #define _PROC_SERVICE_H_
  27 
  28 #include <stdio.h>
  29 #include <thread_db.h>

  30 
  31 // Linux does not have the proc service library, though it does provide the
  32 // thread_db library which can be used to manipulate threads without having
  33 // to know the details of NPTL
  34 
  35 // copied from Solaris "proc_service.h"
  36 typedef enum {
  37         PS_OK,          /* generic "call succeeded" */
  38         PS_ERR,         /* generic error */
  39         PS_BADPID,      /* bad process handle */
  40         PS_BADLID,      /* bad lwp identifier */
  41         PS_BADADDR,     /* bad address */
  42         PS_NOSYM,       /* p_lookup() could not find given symbol */
  43         PS_NOFREGS      /* FPU register set not available for given lwp */
  44 } ps_err_e;
  45 
  46 // ps_getpid() is only defined on Linux to return a thread's process ID
  47 pid_t ps_getpid(struct ps_prochandle *ph);

  48 
  49 // ps_pglobal_lookup() looks up the symbol sym_name in the symbol table
  50 // of the load object object_name in the target process identified by ph.
  51 // It returns the symbol's value as an address in the target process in
  52 // *sym_addr.
  53 
  54 ps_err_e ps_pglobal_lookup(struct ps_prochandle *ph, const char *object_name,

  55                     const char *sym_name, psaddr_t *sym_addr);
  56 
  57 // read "size" bytes of data from debuggee at address "addr"
  58 ps_err_e ps_pdread(struct ps_prochandle *ph, psaddr_t  addr,

  59                    void *buf, size_t size);
  60 
  61 // write "size" bytes of data to debuggee at address "addr"
  62 ps_err_e ps_pdwrite(struct ps_prochandle *ph, psaddr_t addr,

  63                     const void *buf, size_t size);
  64 
  65 ps_err_e ps_lsetfpregs(struct ps_prochandle *ph, lwpid_t lid, const prfpregset_t *fpregs);

  66 
  67 ps_err_e ps_lsetregs(struct ps_prochandle *ph, lwpid_t lid, const prgregset_t gregset);

  68 
  69 ps_err_e  ps_lgetfpregs(struct  ps_prochandle  *ph,  lwpid_t lid, prfpregset_t *fpregs);

  70 
  71 ps_err_e ps_lgetregs(struct ps_prochandle *ph, lwpid_t lid, prgregset_t gregset);

  72 
  73 // new libthread_db of NPTL seem to require this symbol
  74 ps_err_e ps_get_thread_area();

  75 
  76 #endif /* _PROC_SERVICE_H_ */
--- EOF ---