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

*** 1,7 ****
  /*
!  * Copyright (c) 2003, 2017, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 110,120 ****
  bool is_debug() {
     return _libsaproc_debug;
  }
  
  // initialize libproc
! bool init_libproc(bool debug) {
     // init debug mode
     _libsaproc_debug = debug;
  
     // initialize the thread_db library
     if (td_init() != TD_OK) {
--- 110,121 ----
  bool is_debug() {
     return _libsaproc_debug;
  }
  
  // initialize libproc
! JNIEXPORT bool JNICALL
! init_libproc(bool debug) {
     // init debug mode
     _libsaproc_debug = debug;
  
     // initialize the thread_db library
     if (td_init() != TD_OK) {
*** 147,157 ****
  }
  
  // ps_prochandle cleanup
  
  // ps_prochandle cleanup
! void Prelease(struct ps_prochandle* ph) {
     // do the "derived class" clean-up first
     ph->ops->release(ph);
     destroy_lib_info(ph);
     destroy_thread_info(ph);
     free(ph);
--- 148,159 ----
  }
  
  // ps_prochandle cleanup
  
  // ps_prochandle cleanup
! JNIEXPORT void JNICALL
! Prelease(struct ps_prochandle* ph) {
     // do the "derived class" clean-up first
     ph->ops->release(ph);
     destroy_lib_info(ph);
     destroy_thread_info(ph);
     free(ph);
*** 396,456 ****
  
  //--------------------------------------------------------------------------
  // proc service functions
  
  // get process id
! pid_t ps_getpid(struct ps_prochandle *ph) {
     return ph->pid;
  }
  
  // ps_pglobal_lookup() looks up the symbol sym_name in the symbol table
  // of the load object object_name in the target process identified by ph.
  // It returns the symbol's value as an address in the target process in
  // *sym_addr.
  
! ps_err_e ps_pglobal_lookup(struct ps_prochandle *ph, const char *object_name,
                      const char *sym_name, psaddr_t *sym_addr) {
    *sym_addr = (psaddr_t) lookup_symbol(ph, object_name, sym_name);
    return (*sym_addr ? PS_OK : PS_NOSYM);
  }
  
  // read "size" bytes info "buf" from address "addr"
! ps_err_e ps_pdread(struct ps_prochandle *ph, psaddr_t  addr,
                     void *buf, size_t size) {
    return ph->ops->p_pread(ph, (uintptr_t) addr, buf, size)? PS_OK: PS_ERR;
  }
  
  // write "size" bytes of data to debuggee at address "addr"
! ps_err_e ps_pdwrite(struct ps_prochandle *ph, psaddr_t addr,
                      const void *buf, size_t size) {
    return ph->ops->p_pwrite(ph, (uintptr_t)addr, buf, size)? PS_OK: PS_ERR;
  }
  
  // ------------------------------------------------------------------------
  // Functions below this point are not yet implemented. They are here only
  // to make the linker happy.
  
! ps_err_e ps_lsetfpregs(struct ps_prochandle *ph, lwpid_t lid, const prfpregset_t *fpregs) {
    print_debug("ps_lsetfpregs not implemented\n");
    return PS_OK;
  }
  
! ps_err_e ps_lsetregs(struct ps_prochandle *ph, lwpid_t lid, const prgregset_t gregset) {
    print_debug("ps_lsetregs not implemented\n");
    return PS_OK;
  }
  
! ps_err_e  ps_lgetfpregs(struct  ps_prochandle  *ph,  lwpid_t lid, prfpregset_t *fpregs) {
    print_debug("ps_lgetfpregs not implemented\n");
    return PS_OK;
  }
  
! ps_err_e ps_lgetregs(struct ps_prochandle *ph, lwpid_t lid, prgregset_t gregset) {
    print_debug("ps_lgetfpregs not implemented\n");
    return PS_OK;
  }
  
  // new libthread_db of NPTL seem to require this symbol
! ps_err_e ps_get_thread_area() {
    print_debug("ps_get_thread_area not implemented\n");
    return PS_OK;
  }
--- 398,467 ----
  
  //--------------------------------------------------------------------------
  // proc service functions
  
  // get process id
! JNIEXPORT pid_t JNICALL
! ps_getpid(struct ps_prochandle *ph) {
     return ph->pid;
  }
  
  // ps_pglobal_lookup() looks up the symbol sym_name in the symbol table
  // of the load object object_name in the target process identified by ph.
  // It returns the symbol's value as an address in the target process in
  // *sym_addr.
  
! JNIEXPORT ps_err_e JNICALL
! ps_pglobal_lookup(struct ps_prochandle *ph, const char *object_name,
                      const char *sym_name, psaddr_t *sym_addr) {
    *sym_addr = (psaddr_t) lookup_symbol(ph, object_name, sym_name);
    return (*sym_addr ? PS_OK : PS_NOSYM);
  }
  
  // read "size" bytes info "buf" from address "addr"
! JNIEXPORT ps_err_e JNICALL
! ps_pdread(struct ps_prochandle *ph, psaddr_t  addr,
                     void *buf, size_t size) {
    return ph->ops->p_pread(ph, (uintptr_t) addr, buf, size)? PS_OK: PS_ERR;
  }
  
  // write "size" bytes of data to debuggee at address "addr"
! JNIEXPORT ps_err_e JNICALL
! ps_pdwrite(struct ps_prochandle *ph, psaddr_t addr,
                      const void *buf, size_t size) {
    return ph->ops->p_pwrite(ph, (uintptr_t)addr, buf, size)? PS_OK: PS_ERR;
  }
  
  // ------------------------------------------------------------------------
  // Functions below this point are not yet implemented. They are here only
  // to make the linker happy.
  
! JNIEXPORT ps_err_e JNICALL
! ps_lsetfpregs(struct ps_prochandle *ph, lwpid_t lid, const prfpregset_t *fpregs) {
    print_debug("ps_lsetfpregs not implemented\n");
    return PS_OK;
  }
  
! JNIEXPORT ps_err_e JNICALL
! ps_lsetregs(struct ps_prochandle *ph, lwpid_t lid, const prgregset_t gregset) {
    print_debug("ps_lsetregs not implemented\n");
    return PS_OK;
  }
  
! JNIEXPORT ps_err_e  JNICALL
! ps_lgetfpregs(struct  ps_prochandle  *ph,  lwpid_t lid, prfpregset_t *fpregs) {
    print_debug("ps_lgetfpregs not implemented\n");
    return PS_OK;
  }
  
! JNIEXPORT ps_err_e JNICALL
! ps_lgetregs(struct ps_prochandle *ph, lwpid_t lid, prgregset_t gregset) {
    print_debug("ps_lgetfpregs not implemented\n");
    return PS_OK;
  }
  
  // new libthread_db of NPTL seem to require this symbol
! JNIEXPORT ps_err_e JNICALL
! ps_get_thread_area() {
    print_debug("ps_get_thread_area not implemented\n");
    return PS_OK;
  }