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[/] [openrisc/] [trunk/] [gnu-src/] [gdb-6.8/] [gdb/] [gdbserver/] [proc-service.c] - Blame information for rev 157

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Line No. Rev Author Line
1 24 jeremybenn
/* libthread_db helper functions for the remote server for GDB.
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   Copyright (C) 2002, 2004, 2005, 2006, 2007, 2008
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   Free Software Foundation, Inc.
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   Contributed by MontaVista Software.
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   This file is part of GDB.
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   This program is free software; you can redistribute it and/or modify
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   it under the terms of the GNU General Public License as published by
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   the Free Software Foundation; either version 3 of the License, or
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   (at your option) any later version.
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   This program is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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   GNU General Public License for more details.
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   You should have received a copy of the GNU General Public License
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   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
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#include "server.h"
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/* This file is currently tied to GNU/Linux.  It should scale well to
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   another libthread_db implementation, with the approriate gdbserver
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   hooks, but for now this means we can use GNU/Linux's target data.  */
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#include "linux-low.h"
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#include "gdb_proc_service.h"
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typedef struct ps_prochandle *gdb_ps_prochandle_t;
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typedef void *gdb_ps_read_buf_t;
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typedef const void *gdb_ps_write_buf_t;
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typedef size_t gdb_ps_size_t;
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#ifdef HAVE_LINUX_REGSETS
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#define HAVE_REGSETS
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#endif
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#ifdef HAVE_REGSETS
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static struct regset_info *
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gregset_info(void)
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{
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  int i = 0;
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  while (target_regsets[i].size != -1)
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    {
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      if (target_regsets[i].type == GENERAL_REGS)
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        break;
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      i++;
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    }
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  return &target_regsets[i];
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}
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#endif
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/* Search for the symbol named NAME within the object named OBJ within
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   the target process PH.  If the symbol is found the address of the
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   symbol is stored in SYM_ADDR.  */
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ps_err_e
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ps_pglobal_lookup (gdb_ps_prochandle_t ph, const char *obj,
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                   const char *name, psaddr_t *sym_addr)
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{
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  CORE_ADDR addr;
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  if (look_up_one_symbol (name, &addr) == 0)
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    return PS_NOSYM;
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  *sym_addr = (psaddr_t) (unsigned long) addr;
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  return PS_OK;
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}
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/* Read SIZE bytes from the target process PH at address ADDR and copy
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   them into BUF.  */
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ps_err_e
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ps_pdread (gdb_ps_prochandle_t ph, psaddr_t addr,
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           gdb_ps_read_buf_t buf, gdb_ps_size_t size)
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{
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  read_inferior_memory ((unsigned long) addr, buf, size);
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  return PS_OK;
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}
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/* Write SIZE bytes from BUF into the target process PH at address ADDR.  */
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ps_err_e
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ps_pdwrite (gdb_ps_prochandle_t ph, psaddr_t addr,
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            gdb_ps_write_buf_t buf, gdb_ps_size_t size)
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{
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  return write_inferior_memory ((unsigned long) addr, buf, size);
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}
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/* Get the general registers of LWP LWPID within the target process PH
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   and store them in GREGSET.  */
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ps_err_e
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ps_lgetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, prgregset_t gregset)
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{
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#ifdef HAVE_REGSETS
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  struct process_info *process;
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  struct thread_info *reg_inferior, *save_inferior;
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  process = (struct process_info *) find_inferior_id (&all_processes,
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                                                      lwpid);
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  if (process == NULL)
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    return PS_ERR;
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  reg_inferior = get_process_thread (process);
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  save_inferior = current_inferior;
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  current_inferior = reg_inferior;
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  the_target->fetch_registers (0);
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  gregset_info()->fill_function (gregset);
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  current_inferior = save_inferior;
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  return PS_OK;
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#else
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  return PS_ERR;
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#endif
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}
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/* Set the general registers of LWP LWPID within the target process PH
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   from GREGSET.  */
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ps_err_e
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ps_lsetregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, const prgregset_t gregset)
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{
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  /* Unneeded.  */
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  return PS_ERR;
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}
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/* Get the floating-point registers of LWP LWPID within the target
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   process PH and store them in FPREGSET.  */
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ps_err_e
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ps_lgetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, void *fpregset)
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{
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  /* Unneeded.  */
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  return PS_ERR;
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}
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/* Set the floating-point registers of LWP LWPID within the target
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   process PH from FPREGSET.  */
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ps_err_e
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ps_lsetfpregs (gdb_ps_prochandle_t ph, lwpid_t lwpid, void *fpregset)
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{
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  /* Unneeded.  */
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  return PS_ERR;
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}
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/* Return overall process id of the target PH.  Special for GNU/Linux
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   -- not used on Solaris.  */
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pid_t
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ps_getpid (gdb_ps_prochandle_t ph)
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{
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  return ph->pid;
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}
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