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agent/src/os/linux/proc_service.h

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rev 8517 : 8078513: [linux]  Clean up code relevant to LinuxThreads implementation
Reviewed-by: dholmes, sla, coleenp
   1 /*
   2  * Copyright (c) 2003, 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 LinuxThreads or 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 


   1 /*
   2  * Copyright (c) 2003, 2015 Oracle and/or its affiliates. All rights
   3  * reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #ifndef _PROC_SERVICE_H_
  27 #define _PROC_SERVICE_H_
  28 
  29 #include <stdio.h>
  30 #include <thread_db.h>
  31 
  32 // Linux does not have the proc service library, though it does provide the
  33 // thread_db library which can be used to manipulate threads without having
  34 // to know the details of NPTL
  35 
  36 // copied from Solaris "proc_service.h"
  37 typedef enum {
  38         PS_OK,          /* generic "call succeeded" */
  39         PS_ERR,         /* generic error */
  40         PS_BADPID,      /* bad process handle */
  41         PS_BADLID,      /* bad lwp identifier */
  42         PS_BADADDR,     /* bad address */
  43         PS_NOSYM,       /* p_lookup() could not find given symbol */
  44         PS_NOFREGS      /* FPU register set not available for given lwp */
  45 } ps_err_e;
  46 
  47 // ps_getpid() is only defined on Linux to return a thread's process ID
  48 pid_t ps_getpid(struct ps_prochandle *ph);
  49 
  50 // ps_pglobal_lookup() looks up the symbol sym_name in the symbol table
  51 // of the load object object_name in the target process identified by ph.
  52 // It returns the symbol's value as an address in the target process in
  53 // *sym_addr.
  54 


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