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src/jdk.hotspot.agent/linux/native/libsaproc/libproc_impl.h

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   1 /*
   2  * Copyright (c) 2003, 2018, 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  *


  40   uintptr_t        base;
  41   struct symtab*   symtab;
  42   int              fd;        // file descriptor for lib
  43   struct lib_info* next;
  44 } lib_info;
  45 
  46 // list of threads
  47 typedef struct thread_info {
  48    lwpid_t                  lwp_id;
  49    pthread_t                pthread_id; // not used cores, always -1
  50    struct user_regs_struct  regs;       // not for process, core uses for caching regset
  51    struct thread_info*      next;
  52 } thread_info;
  53 
  54 // list of virtual memory maps
  55 typedef struct map_info {
  56    int              fd;       // file descriptor
  57    off_t            offset;   // file offset of this mapping
  58    uintptr_t        vaddr;    // starting virtual address
  59    size_t           memsz;    // size of the mapping

  60    struct map_info* next;
  61 } map_info;
  62 
  63 // vtable for ps_prochandle
  64 typedef struct ps_prochandle_ops {
  65    // "derived class" clean-up
  66    void (*release)(struct ps_prochandle* ph);
  67    // read from debuggee
  68    bool (*p_pread)(struct ps_prochandle *ph,
  69             uintptr_t addr, char *buf, size_t size);
  70    // write into debuggee
  71    bool (*p_pwrite)(struct ps_prochandle *ph,
  72             uintptr_t addr, const char *buf , size_t size);
  73    // get integer regset of a thread
  74    bool (*get_lwp_regs)(struct ps_prochandle* ph, lwpid_t lwp_id, struct user_regs_struct* regs);
  75 } ps_prochandle_ops;
  76 
  77 // the ps_prochandle
  78 
  79 struct core_data {


   1 /*
   2  * Copyright (c) 2003, 2020, 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  *


  40   uintptr_t        base;
  41   struct symtab*   symtab;
  42   int              fd;        // file descriptor for lib
  43   struct lib_info* next;
  44 } lib_info;
  45 
  46 // list of threads
  47 typedef struct thread_info {
  48    lwpid_t                  lwp_id;
  49    pthread_t                pthread_id; // not used cores, always -1
  50    struct user_regs_struct  regs;       // not for process, core uses for caching regset
  51    struct thread_info*      next;
  52 } thread_info;
  53 
  54 // list of virtual memory maps
  55 typedef struct map_info {
  56    int              fd;       // file descriptor
  57    off_t            offset;   // file offset of this mapping
  58    uintptr_t        vaddr;    // starting virtual address
  59    size_t           memsz;    // size of the mapping
  60    uint32_t         flags;    // acces flags
  61    struct map_info* next;
  62 } map_info;
  63 
  64 // vtable for ps_prochandle
  65 typedef struct ps_prochandle_ops {
  66    // "derived class" clean-up
  67    void (*release)(struct ps_prochandle* ph);
  68    // read from debuggee
  69    bool (*p_pread)(struct ps_prochandle *ph,
  70             uintptr_t addr, char *buf, size_t size);
  71    // write into debuggee
  72    bool (*p_pwrite)(struct ps_prochandle *ph,
  73             uintptr_t addr, const char *buf , size_t size);
  74    // get integer regset of a thread
  75    bool (*get_lwp_regs)(struct ps_prochandle* ph, lwpid_t lwp_id, struct user_regs_struct* regs);
  76 } ps_prochandle_ops;
  77 
  78 // the ps_prochandle
  79 
  80 struct core_data {


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