1999-04-16 03:35:26 +02:00
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/* Memory-access and commands for remote VxWorks processes, for GDB.
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2002-01-19 04:32:43 +01:00
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Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999,
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2000, 2001, 2002 Free Software Foundation, Inc.
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1999-04-16 03:35:26 +02:00
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Contributed by Wind River Systems and Cygnus Support.
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1999-07-07 22:19:36 +02:00
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This file is part of GDB.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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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 2 of the License, or
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(at your option) any later version.
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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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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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1999-04-16 03:35:26 +02:00
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1999-07-07 22:19:36 +02:00
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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, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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1999-04-16 03:35:26 +02:00
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#include "defs.h"
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#include "frame.h"
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#include "inferior.h"
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#include "target.h"
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#include "gdbcore.h"
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#include "command.h"
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#include "symtab.h"
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#include "complaints.h"
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#include "gdbcmd.h"
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1999-07-07 22:19:36 +02:00
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#include "bfd.h" /* Required by objfiles.h. */
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2001-01-27 01:43:26 +01:00
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#include "symfile.h"
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1999-04-16 03:35:26 +02:00
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#include "objfiles.h"
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#include "gdb-stabs.h"
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2001-03-01 02:39:22 +01:00
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#include "regcache.h"
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1999-04-16 03:35:26 +02:00
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#include "gdb_string.h"
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#include <errno.h>
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#include <signal.h>
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#include <fcntl.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#define malloc bogon_malloc /* Sun claims "char *malloc()" not void * */
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#define free bogon_free /* Sun claims "int free()" not void */
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#define realloc bogon_realloc /* Sun claims "char *realloc()", not void * */
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#include <rpc/rpc.h>
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#undef malloc
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#undef free
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#undef realloc
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#include <sys/time.h> /* UTek's <rpc/rpc.h> doesn't #incl this */
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#include <netdb.h>
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#include "vx-share/ptrace.h"
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#include "vx-share/xdr_ptrace.h"
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#include "vx-share/xdr_ld.h"
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#include "vx-share/xdr_rdb.h"
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#include "vx-share/dbgRpcLib.h"
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#include <symtab.h>
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/* Maximum number of bytes to transfer in a single
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PTRACE_{READ,WRITE}DATA request. */
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#define VX_MEMXFER_MAX 4096
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extern void vx_read_register ();
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extern void vx_write_register ();
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extern void symbol_file_command ();
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2003-04-08 21:21:15 +02:00
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extern enum stop_kind stop_soon; /* for wait_for_inferior */
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1999-04-16 03:35:26 +02:00
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static int net_step ();
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static int net_ptrace_clnt_call (); /* Forward decl */
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1999-07-07 22:19:36 +02:00
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static enum clnt_stat net_clnt_call (); /* Forward decl */
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1999-04-16 03:35:26 +02:00
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/* Target ops structure for accessing memory and such over the net */
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static struct target_ops vx_ops;
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/* Target ops structure for accessing VxWorks child processes over the net */
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static struct target_ops vx_run_ops;
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/* Saved name of target host and called function for "info files".
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Both malloc'd. */
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static char *vx_host;
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1999-07-07 22:19:36 +02:00
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static char *vx_running; /* Called function */
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1999-04-16 03:35:26 +02:00
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/* Nonzero means target that is being debugged remotely has a floating
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point processor. */
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int target_has_fp;
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/* Default error message when the network is forking up. */
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static const char rpcerr[] = "network target debugging: rpc error";
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1999-07-07 22:19:36 +02:00
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CLIENT *pClient; /* client used in net debugging */
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1999-04-16 03:35:26 +02:00
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static int ptraceSock = RPC_ANYSOCK;
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1999-07-07 22:19:36 +02:00
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enum clnt_stat net_clnt_call ();
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1999-04-16 03:35:26 +02:00
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static void parse_args ();
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1999-07-07 22:19:36 +02:00
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static struct timeval rpcTimeout =
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{10, 0};
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1999-04-16 03:35:26 +02:00
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static char *skip_white_space ();
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static char *find_white_space ();
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1999-07-07 22:19:36 +02:00
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1999-04-16 03:35:26 +02:00
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/* Tell the VxWorks target system to download a file.
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The load addresses of the text, data, and bss segments are
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stored in *pTextAddr, *pDataAddr, and *pBssAddr (respectively).
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Returns 0 for success, -1 for failure. */
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static int
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2000-07-30 03:48:28 +02:00
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net_load (char *filename, CORE_ADDR *pTextAddr, CORE_ADDR *pDataAddr,
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CORE_ADDR *pBssAddr)
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1999-04-16 03:35:26 +02:00
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{
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enum clnt_stat status;
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struct ldfile ldstruct;
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struct timeval load_timeout;
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memset ((char *) &ldstruct, '\0', sizeof (ldstruct));
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/* We invoke clnt_call () here directly, instead of through
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net_clnt_call (), because we need to set a large timeout value.
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The load on the target side can take quite a while, easily
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more than 10 seconds. The user can kill this call by typing
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CTRL-C if there really is a problem with the load.
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Do not change the tv_sec value without checking -- select() imposes
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a limit of 10**8 on it for no good reason that I can see... */
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1999-07-07 22:19:36 +02:00
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load_timeout.tv_sec = 99999999; /* A large number, effectively inf. */
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1999-04-16 03:35:26 +02:00
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load_timeout.tv_usec = 0;
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1999-07-07 22:19:36 +02:00
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1999-04-16 03:35:26 +02:00
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status = clnt_call (pClient, VX_LOAD, xdr_wrapstring, &filename, xdr_ldfile,
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&ldstruct, load_timeout);
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if (status == RPC_SUCCESS)
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{
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if (*ldstruct.name == 0) /* load failed on VxWorks side */
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return -1;
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*pTextAddr = ldstruct.txt_addr;
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*pDataAddr = ldstruct.data_addr;
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*pBssAddr = ldstruct.bss_addr;
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return 0;
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}
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else
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return -1;
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}
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/* returns 0 if successful, errno if RPC failed or VxWorks complains. */
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static int
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2000-07-30 03:48:28 +02:00
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net_break (int addr, u_long procnum)
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1999-04-16 03:35:26 +02:00
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{
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enum clnt_stat status;
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int break_status;
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1999-07-07 22:19:36 +02:00
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Rptrace ptrace_in; /* XXX This is stupid. It doesn't need to be a ptrace
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structure. How about something smaller? */
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1999-04-16 03:35:26 +02:00
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memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in));
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break_status = 0;
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ptrace_in.addr = addr;
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2001-05-04 06:15:33 +02:00
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ptrace_in.pid = PIDGET (inferior_ptid);
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1999-04-16 03:35:26 +02:00
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status = net_clnt_call (procnum, xdr_rptrace, &ptrace_in, xdr_int,
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&break_status);
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if (status != RPC_SUCCESS)
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1999-07-07 22:19:36 +02:00
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return errno;
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1999-04-16 03:35:26 +02:00
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if (break_status == -1)
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return ENOMEM;
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1999-07-07 22:19:36 +02:00
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return break_status; /* probably (FIXME) zero */
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1999-04-16 03:35:26 +02:00
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}
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/* returns 0 if successful, errno otherwise */
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static int
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2000-07-30 03:48:28 +02:00
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vx_insert_breakpoint (int addr)
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1999-04-16 03:35:26 +02:00
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{
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return net_break (addr, VX_BREAK_ADD);
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}
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/* returns 0 if successful, errno otherwise */
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static int
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2000-07-30 03:48:28 +02:00
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vx_remove_breakpoint (int addr)
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1999-04-16 03:35:26 +02:00
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{
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return net_break (addr, VX_BREAK_DELETE);
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}
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2001-05-04 06:15:33 +02:00
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/* Start an inferior process and sets inferior_ptid to its pid.
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1999-04-16 03:35:26 +02:00
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EXEC_FILE is the file to run.
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ALLARGS is a string containing the arguments to the program.
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ENV is the environment vector to pass.
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Returns process id. Errors reported with error().
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On VxWorks, we ignore exec_file. */
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1999-07-07 22:19:36 +02:00
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1999-04-16 03:35:26 +02:00
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static void
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2004-05-25 16:58:31 +02:00
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vx_create_inferior (char *exec_file, char *args, char **env, int from_tty)
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1999-04-16 03:35:26 +02:00
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{
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enum clnt_stat status;
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arg_array passArgs;
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TASK_START taskStart;
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memset ((char *) &passArgs, '\0', sizeof (passArgs));
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memset ((char *) &taskStart, '\0', sizeof (taskStart));
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/* parse arguments, put them in passArgs */
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parse_args (args, &passArgs);
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if (passArgs.arg_array_len == 0)
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error ("You must specify a function name to run, and arguments if any");
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status = net_clnt_call (PROCESS_START, xdr_arg_array, &passArgs,
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xdr_TASK_START, &taskStart);
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if ((status != RPC_SUCCESS) || (taskStart.status == -1))
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error ("Can't create process on remote target machine");
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/* Save the name of the running function */
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vx_running = savestring (passArgs.arg_array_val[0],
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strlen (passArgs.arg_array_val[0]));
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push_target (&vx_run_ops);
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2001-05-04 06:15:33 +02:00
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inferior_ptid = pid_to_ptid (taskStart.pid);
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1999-04-16 03:35:26 +02:00
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/* We will get a trace trap after one instruction.
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Insert breakpoints and continue. */
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init_wait_for_inferior ();
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/* Set up the "saved terminal modes" of the inferior
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based on what modes we are starting it with. */
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target_terminal_init ();
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/* Install inferior's terminal modes. */
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target_terminal_inferior ();
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2003-04-08 21:21:15 +02:00
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stop_soon = STOP_QUIETLY;
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1999-04-16 03:35:26 +02:00
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wait_for_inferior (); /* Get the task spawn event */
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2003-04-08 21:21:15 +02:00
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stop_soon = NO_STOP_QUIETLY;
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1999-04-16 03:35:26 +02:00
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/* insert_step_breakpoint (); FIXME, do we need this? */
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proceed (-1, TARGET_SIGNAL_DEFAULT, 0);
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}
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/* Fill ARGSTRUCT in argc/argv form with the arguments from the
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argument string ARGSTRING. */
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static void
|
2003-09-16 Andrew Cagney <cagney@redhat.com>
* buildsym.c: Remove more occurances of "register".
* coffread.c, dbxread.c, dcache.c, dwarf2read.c: Ditto.
* environ.c, eval.c, f-valprint.c, findvar.c: Ditto.
* gdbtypes.c, gnu-v2-abi.c, h8300-tdep.c, hppa-tdep.c: Ditto.
* infcmd.c, mdebugread.c, minsyms.c, mips-tdep.c: Ditto.
* printcmd.c, remote-vx.c, sh-stub.c, sh-tdep.c: Ditto.
* sh64-tdep.c, source.c, stabsread.c, stack.c: Ditto.
* standalone.c, symfile.c, symmisc.c, symtab.c: Ditto.
* utils.c, valops.c, values.c, xcoffread.c: Ditto.
2003-09-16 20:56:35 +02:00
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parse_args (char *arg_string, arg_array *arg_struct)
|
1999-04-16 03:35:26 +02:00
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{
|
2003-09-14 Andrew Cagney <cagney@redhat.com>
* alpha-nat.c: Remove some occurances of "register".
* alpha-tdep.c, arm-tdep.c, blockframe.c, breakpoint.c: Ditto.
* buildsym.c, c-typeprint.c, c-valprint.c, coffread.c: Ditto.
* corefile.c, cp-support.c, cp-valprint.c, cris-tdep.c: Ditto.
* dbxread.c, dcache.c, dwarf2read.c, elfread.c: Ditto.
* environ.c, eval.c, event-top.c, f-typeprint.c: Ditto.
* f-valprint.c, findvar.c, frame.c, gdbtypes.c: Ditto.
* h8300-tdep.c, hppa-tdep.c, hppab-nat.c, hppah-nat.c: Ditto.
* hppam3-nat.c, hpread.c, ia64-aix-nat.c, ia64-linux-nat.c: Ditto.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Ditto.
* infttrace.c, irix5-nat.c, jv-typeprint.c: Ditto.
* jv-valprint.c, m68k-tdep.c, m68klinux-nat.c, main.c: Ditto.
* mdebugread.c, minsyms.c, mips-linux-tdep.c: Ditto.
* mips-nat.c, mips-tdep.c, mipsread.c, mipsv4-nat.c: Ditto.
* ns32k-tdep.c, objfiles.c, p-typeprint.c: Ditto.
* p-valprint.c, ppc-linux-nat.c, printcmd.c: Ditto.
* remote-mips.c, remote-vx.c, rs6000-nat.c: Ditto.
* rs6000-tdep.c, scm-exp.c, sh-tdep.c, sh64-tdep.c: Ditto.
* solib.c, somread.c, source.c, sparc-tdep.c: Ditto.
* stabsread.c, stack.c, standalone.c, symfile.c: Ditto.
* symmisc.c, symtab.c, top.c, tracepoint.c: Ditto.
* typeprint.c, utils.c, valarith.c, valops.c: Ditto.
* values.c, vax-tdep.c, xcoffread.c: Ditto.
2003-09-14 18:32:14 +02:00
|
|
|
|
int arg_count = 0; /* number of arguments */
|
|
|
|
|
int arg_index = 0;
|
|
|
|
|
char *p0;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
|
memset ((char *) arg_struct, '\0', sizeof (arg_array));
|
1999-07-07 22:19:36 +02:00
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
|
/* first count how many arguments there are */
|
|
|
|
|
|
|
|
|
|
p0 = arg_string;
|
|
|
|
|
while (*p0 != '\0')
|
|
|
|
|
{
|
|
|
|
|
if (*(p0 = skip_white_space (p0)) == '\0')
|
|
|
|
|
break;
|
|
|
|
|
p0 = find_white_space (p0);
|
|
|
|
|
arg_count++;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
arg_struct->arg_array_len = arg_count;
|
|
|
|
|
arg_struct->arg_array_val = (char **) xmalloc ((arg_count + 1)
|
|
|
|
|
* sizeof (char *));
|
|
|
|
|
|
|
|
|
|
/* now copy argument strings into arg_struct. */
|
|
|
|
|
|
|
|
|
|
while (*(arg_string = skip_white_space (arg_string)))
|
|
|
|
|
{
|
|
|
|
|
p0 = find_white_space (arg_string);
|
|
|
|
|
arg_struct->arg_array_val[arg_index++] = savestring (arg_string,
|
|
|
|
|
p0 - arg_string);
|
|
|
|
|
arg_string = p0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
arg_struct->arg_array_val[arg_count] = NULL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Advance a string pointer across whitespace and return a pointer
|
|
|
|
|
to the first non-white character. */
|
|
|
|
|
|
|
|
|
|
static char *
|
2003-09-16 Andrew Cagney <cagney@redhat.com>
* buildsym.c: Remove more occurances of "register".
* coffread.c, dbxread.c, dcache.c, dwarf2read.c: Ditto.
* environ.c, eval.c, f-valprint.c, findvar.c: Ditto.
* gdbtypes.c, gnu-v2-abi.c, h8300-tdep.c, hppa-tdep.c: Ditto.
* infcmd.c, mdebugread.c, minsyms.c, mips-tdep.c: Ditto.
* printcmd.c, remote-vx.c, sh-stub.c, sh-tdep.c: Ditto.
* sh64-tdep.c, source.c, stabsread.c, stack.c: Ditto.
* standalone.c, symfile.c, symmisc.c, symtab.c: Ditto.
* utils.c, valops.c, values.c, xcoffread.c: Ditto.
2003-09-16 20:56:35 +02:00
|
|
|
|
skip_white_space (char *p)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
while (*p == ' ' || *p == '\t')
|
|
|
|
|
p++;
|
|
|
|
|
return p;
|
|
|
|
|
}
|
1999-07-07 22:19:36 +02:00
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
|
/* Search for the first unquoted whitespace character in a string.
|
|
|
|
|
Returns a pointer to the character, or to the null terminator
|
|
|
|
|
if no whitespace is found. */
|
|
|
|
|
|
|
|
|
|
static char *
|
2003-09-16 Andrew Cagney <cagney@redhat.com>
* buildsym.c: Remove more occurances of "register".
* coffread.c, dbxread.c, dcache.c, dwarf2read.c: Ditto.
* environ.c, eval.c, f-valprint.c, findvar.c: Ditto.
* gdbtypes.c, gnu-v2-abi.c, h8300-tdep.c, hppa-tdep.c: Ditto.
* infcmd.c, mdebugread.c, minsyms.c, mips-tdep.c: Ditto.
* printcmd.c, remote-vx.c, sh-stub.c, sh-tdep.c: Ditto.
* sh64-tdep.c, source.c, stabsread.c, stack.c: Ditto.
* standalone.c, symfile.c, symmisc.c, symtab.c: Ditto.
* utils.c, valops.c, values.c, xcoffread.c: Ditto.
2003-09-16 20:56:35 +02:00
|
|
|
|
find_white_space (char *p)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
2003-09-14 Andrew Cagney <cagney@redhat.com>
* alpha-nat.c: Remove some occurances of "register".
* alpha-tdep.c, arm-tdep.c, blockframe.c, breakpoint.c: Ditto.
* buildsym.c, c-typeprint.c, c-valprint.c, coffread.c: Ditto.
* corefile.c, cp-support.c, cp-valprint.c, cris-tdep.c: Ditto.
* dbxread.c, dcache.c, dwarf2read.c, elfread.c: Ditto.
* environ.c, eval.c, event-top.c, f-typeprint.c: Ditto.
* f-valprint.c, findvar.c, frame.c, gdbtypes.c: Ditto.
* h8300-tdep.c, hppa-tdep.c, hppab-nat.c, hppah-nat.c: Ditto.
* hppam3-nat.c, hpread.c, ia64-aix-nat.c, ia64-linux-nat.c: Ditto.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Ditto.
* infttrace.c, irix5-nat.c, jv-typeprint.c: Ditto.
* jv-valprint.c, m68k-tdep.c, m68klinux-nat.c, main.c: Ditto.
* mdebugread.c, minsyms.c, mips-linux-tdep.c: Ditto.
* mips-nat.c, mips-tdep.c, mipsread.c, mipsv4-nat.c: Ditto.
* ns32k-tdep.c, objfiles.c, p-typeprint.c: Ditto.
* p-valprint.c, ppc-linux-nat.c, printcmd.c: Ditto.
* remote-mips.c, remote-vx.c, rs6000-nat.c: Ditto.
* rs6000-tdep.c, scm-exp.c, sh-tdep.c, sh64-tdep.c: Ditto.
* solib.c, somread.c, source.c, sparc-tdep.c: Ditto.
* stabsread.c, stack.c, standalone.c, symfile.c: Ditto.
* symmisc.c, symtab.c, top.c, tracepoint.c: Ditto.
* typeprint.c, utils.c, valarith.c, valops.c: Ditto.
* values.c, vax-tdep.c, xcoffread.c: Ditto.
2003-09-14 18:32:14 +02:00
|
|
|
|
int c;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
while ((c = *p) != ' ' && c != '\t' && c)
|
|
|
|
|
{
|
|
|
|
|
if (c == '\'' || c == '"')
|
|
|
|
|
{
|
|
|
|
|
while (*++p != c && *p)
|
|
|
|
|
{
|
|
|
|
|
if (*p == '\\')
|
|
|
|
|
p++;
|
|
|
|
|
}
|
|
|
|
|
if (!*p)
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
p++;
|
|
|
|
|
}
|
|
|
|
|
return p;
|
|
|
|
|
}
|
1999-07-07 22:19:36 +02:00
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
|
/* Poll the VxWorks target system for an event related
|
|
|
|
|
to the debugged task.
|
|
|
|
|
Returns -1 if remote wait failed, task status otherwise. */
|
|
|
|
|
|
|
|
|
|
static int
|
2000-07-30 03:48:28 +02:00
|
|
|
|
net_wait (RDB_EVENT *pEvent)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
1999-07-07 22:19:36 +02:00
|
|
|
|
int pid;
|
|
|
|
|
enum clnt_stat status;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
memset ((char *) pEvent, '\0', sizeof (RDB_EVENT));
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
2001-10-31 23:29:21 +01:00
|
|
|
|
pid = PIDGET (inferior_ptid);
|
1999-07-07 22:19:36 +02:00
|
|
|
|
status = net_clnt_call (PROCESS_WAIT, xdr_int, &pid, xdr_RDB_EVENT,
|
|
|
|
|
pEvent);
|
|
|
|
|
|
|
|
|
|
/* return (status == RPC_SUCCESS)? pEvent->status: -1; */
|
|
|
|
|
if (status == RPC_SUCCESS)
|
|
|
|
|
return ((pEvent->status) ? 1 : 0);
|
|
|
|
|
else if (status == RPC_TIMEDOUT)
|
|
|
|
|
return (1);
|
|
|
|
|
else
|
|
|
|
|
return (-1);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
1999-07-07 22:19:36 +02:00
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
|
/* Suspend the remote task.
|
|
|
|
|
Returns -1 if suspend fails on target system, 0 otherwise. */
|
|
|
|
|
|
|
|
|
|
static int
|
2000-07-30 03:48:28 +02:00
|
|
|
|
net_quit (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
int pid;
|
|
|
|
|
int quit_status;
|
|
|
|
|
enum clnt_stat status;
|
|
|
|
|
|
|
|
|
|
quit_status = 0;
|
|
|
|
|
|
|
|
|
|
/* don't let rdbTask suspend itself by passing a pid of 0 */
|
|
|
|
|
|
2001-05-04 06:15:33 +02:00
|
|
|
|
if ((pid = PIDGET (inferior_ptid)) == 0)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
return -1;
|
|
|
|
|
|
|
|
|
|
status = net_clnt_call (VX_TASK_SUSPEND, xdr_int, &pid, xdr_int,
|
|
|
|
|
&quit_status);
|
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
return (status == RPC_SUCCESS) ? quit_status : -1;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Read a register or registers from the remote system. */
|
|
|
|
|
|
|
|
|
|
void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
net_read_registers (char *reg_buf, int len, u_long procnum)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
int status;
|
|
|
|
|
Rptrace ptrace_in;
|
|
|
|
|
Ptrace_return ptrace_out;
|
|
|
|
|
C_bytes out_data;
|
|
|
|
|
char message[100];
|
|
|
|
|
|
|
|
|
|
memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in));
|
|
|
|
|
memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out));
|
|
|
|
|
|
|
|
|
|
/* Initialize RPC input argument structure. */
|
|
|
|
|
|
2001-05-04 06:15:33 +02:00
|
|
|
|
ptrace_in.pid = PIDGET (inferior_ptid);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
ptrace_in.info.ttype = NOINFO;
|
|
|
|
|
|
|
|
|
|
/* Initialize RPC return value structure. */
|
|
|
|
|
|
|
|
|
|
out_data.bytes = reg_buf;
|
|
|
|
|
out_data.len = len;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
ptrace_out.info.more_data = (caddr_t) & out_data;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
/* Call RPC; take an error exit if appropriate. */
|
|
|
|
|
|
|
|
|
|
status = net_ptrace_clnt_call (procnum, &ptrace_in, &ptrace_out);
|
|
|
|
|
if (status)
|
|
|
|
|
error (rpcerr);
|
|
|
|
|
if (ptrace_out.status == -1)
|
|
|
|
|
{
|
|
|
|
|
errno = ptrace_out.errno_num;
|
|
|
|
|
sprintf (message, "reading %s registers", (procnum == PTRACE_GETREGS)
|
1999-07-07 22:19:36 +02:00
|
|
|
|
? "general-purpose"
|
|
|
|
|
: "floating-point");
|
1999-04-16 03:35:26 +02:00
|
|
|
|
perror_with_name (message);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Write register values to a VxWorks target. REG_BUF points to a buffer
|
|
|
|
|
containing the raw register values, LEN is the length of REG_BUF in
|
|
|
|
|
bytes, and PROCNUM is the RPC procedure number (PTRACE_SETREGS or
|
|
|
|
|
PTRACE_SETFPREGS). An error exit is taken if the RPC call fails or
|
|
|
|
|
if an error status is returned by the remote debug server. This is
|
|
|
|
|
a utility routine used by vx_write_register (). */
|
|
|
|
|
|
|
|
|
|
void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
net_write_registers (char *reg_buf, int len, u_long procnum)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
int status;
|
|
|
|
|
Rptrace ptrace_in;
|
|
|
|
|
Ptrace_return ptrace_out;
|
|
|
|
|
C_bytes in_data;
|
|
|
|
|
char message[100];
|
|
|
|
|
|
|
|
|
|
memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in));
|
|
|
|
|
memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out));
|
|
|
|
|
|
|
|
|
|
/* Initialize RPC input argument structure. */
|
|
|
|
|
|
|
|
|
|
in_data.bytes = reg_buf;
|
|
|
|
|
in_data.len = len;
|
|
|
|
|
|
2001-05-04 06:15:33 +02:00
|
|
|
|
ptrace_in.pid = PIDGET (inferior_ptid);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
ptrace_in.info.ttype = DATA;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
ptrace_in.info.more_data = (caddr_t) & in_data;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
/* Call RPC; take an error exit if appropriate. */
|
|
|
|
|
|
|
|
|
|
status = net_ptrace_clnt_call (procnum, &ptrace_in, &ptrace_out);
|
|
|
|
|
if (status)
|
|
|
|
|
error (rpcerr);
|
|
|
|
|
if (ptrace_out.status == -1)
|
|
|
|
|
{
|
|
|
|
|
errno = ptrace_out.errno_num;
|
|
|
|
|
sprintf (message, "writing %s registers", (procnum == PTRACE_SETREGS)
|
1999-07-07 22:19:36 +02:00
|
|
|
|
? "general-purpose"
|
|
|
|
|
: "floating-point");
|
1999-04-16 03:35:26 +02:00
|
|
|
|
perror_with_name (message);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Prepare to store registers. Since we will store all of them,
|
|
|
|
|
read out their current values now. */
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_prepare_to_store (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
/* Fetch all registers, if any of them are not yet fetched. */
|
2003-05-17 08:00:01 +02:00
|
|
|
|
deprecated_read_register_bytes (0, NULL, DEPRECATED_REGISTER_BYTES);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Copy LEN bytes to or from remote inferior's memory starting at MEMADDR
|
|
|
|
|
to debugger memory starting at MYADDR. WRITE is true if writing to the
|
2000-10-16 08:42:28 +02:00
|
|
|
|
inferior. TARGET is unused.
|
1999-04-16 03:35:26 +02:00
|
|
|
|
Result is the number of bytes written or read (zero if error). The
|
|
|
|
|
protocol allows us to return a negative count, indicating that we can't
|
|
|
|
|
handle the current address but can handle one N bytes further, but
|
|
|
|
|
vxworks doesn't give us that information. */
|
|
|
|
|
|
|
|
|
|
static int
|
2000-10-16 08:42:28 +02:00
|
|
|
|
vx_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
|
2002-01-19 04:32:43 +01:00
|
|
|
|
struct mem_attrib *attrib, struct target_ops *target)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
int status;
|
|
|
|
|
Rptrace ptrace_in;
|
|
|
|
|
Ptrace_return ptrace_out;
|
|
|
|
|
C_bytes data;
|
|
|
|
|
enum ptracereq request;
|
|
|
|
|
int nleft, nxfer;
|
|
|
|
|
|
|
|
|
|
memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in));
|
|
|
|
|
memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out));
|
|
|
|
|
|
2001-05-04 06:15:33 +02:00
|
|
|
|
ptrace_in.pid = PIDGET (inferior_ptid); /* XXX pid unnecessary for READDATA */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
ptrace_in.addr = (int) memaddr; /* Where from */
|
1999-07-07 22:19:36 +02:00
|
|
|
|
ptrace_in.data = len; /* How many bytes */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
if (write)
|
|
|
|
|
{
|
1999-07-07 22:19:36 +02:00
|
|
|
|
ptrace_in.info.ttype = DATA;
|
|
|
|
|
ptrace_in.info.more_data = (caddr_t) & data;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
data.bytes = (caddr_t) myaddr; /* Where from */
|
1999-07-07 22:19:36 +02:00
|
|
|
|
data.len = len; /* How many bytes (again, for XDR) */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
request = PTRACE_WRITEDATA;
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
1999-07-07 22:19:36 +02:00
|
|
|
|
ptrace_out.info.more_data = (caddr_t) & data;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
request = PTRACE_READDATA;
|
|
|
|
|
}
|
|
|
|
|
/* Loop until the entire request has been satisfied, transferring
|
|
|
|
|
at most VX_MEMXFER_MAX bytes per iteration. Break from the loop
|
|
|
|
|
if an error status is returned by the remote debug server. */
|
|
|
|
|
|
|
|
|
|
nleft = len;
|
|
|
|
|
status = 0;
|
|
|
|
|
|
|
|
|
|
while (nleft > 0 && status == 0)
|
|
|
|
|
{
|
|
|
|
|
nxfer = min (nleft, VX_MEMXFER_MAX);
|
|
|
|
|
|
|
|
|
|
ptrace_in.addr = (int) memaddr;
|
|
|
|
|
ptrace_in.data = nxfer;
|
|
|
|
|
data.bytes = (caddr_t) myaddr;
|
|
|
|
|
data.len = nxfer;
|
|
|
|
|
|
|
|
|
|
/* Request a block from the remote debug server; if RPC fails,
|
|
|
|
|
report an error and return to debugger command level. */
|
|
|
|
|
|
|
|
|
|
if (net_ptrace_clnt_call (request, &ptrace_in, &ptrace_out))
|
1999-07-07 22:19:36 +02:00
|
|
|
|
error (rpcerr);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
status = ptrace_out.status;
|
|
|
|
|
if (status == 0)
|
1999-07-07 22:19:36 +02:00
|
|
|
|
{
|
|
|
|
|
memaddr += nxfer;
|
|
|
|
|
myaddr += nxfer;
|
|
|
|
|
nleft -= nxfer;
|
|
|
|
|
}
|
1999-04-16 03:35:26 +02:00
|
|
|
|
else
|
1999-07-07 22:19:36 +02:00
|
|
|
|
{
|
|
|
|
|
/* A target-side error has ocurred. Set errno to the error
|
|
|
|
|
code chosen by the target so that a later perror () will
|
|
|
|
|
say something meaningful. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
errno = ptrace_out.errno_num;
|
|
|
|
|
}
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Return the number of bytes transferred. */
|
|
|
|
|
|
|
|
|
|
return (len - nleft);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_files_info (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
printf_unfiltered ("\tAttached to host `%s'", vx_host);
|
1999-07-07 22:19:36 +02:00
|
|
|
|
printf_unfiltered (", which has %sfloating point", target_has_fp ? "" : "no ");
|
1999-04-16 03:35:26 +02:00
|
|
|
|
printf_unfiltered (".\n");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_run_files_info (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
1999-07-07 22:19:36 +02:00
|
|
|
|
printf_unfiltered ("\tRunning %s VxWorks process %s",
|
1999-04-16 03:35:26 +02:00
|
|
|
|
vx_running ? "child" : "attached",
|
2001-05-04 06:15:33 +02:00
|
|
|
|
local_hex_string (PIDGET (inferior_ptid)));
|
1999-04-16 03:35:26 +02:00
|
|
|
|
if (vx_running)
|
|
|
|
|
printf_unfiltered (", function `%s'", vx_running);
|
1999-07-07 22:19:36 +02:00
|
|
|
|
printf_unfiltered (".\n");
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
2001-05-04 06:15:33 +02:00
|
|
|
|
vx_resume (ptid_t ptid, int step, enum target_signal siggnal)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
int status;
|
|
|
|
|
Rptrace ptrace_in;
|
|
|
|
|
Ptrace_return ptrace_out;
|
|
|
|
|
CORE_ADDR cont_addr;
|
|
|
|
|
|
2001-05-04 06:15:33 +02:00
|
|
|
|
if (ptid_equal (ptid, minus_one_ptid))
|
|
|
|
|
ptid = inferior_ptid;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
if (siggnal != 0 && siggnal != stop_signal)
|
|
|
|
|
error ("Cannot send signals to VxWorks processes");
|
|
|
|
|
|
|
|
|
|
/* Set CONT_ADDR to the address at which we are continuing,
|
|
|
|
|
or to 1 if we are continuing from where the program stopped.
|
|
|
|
|
This conforms to traditional ptrace () usage, but at the same
|
|
|
|
|
time has special meaning for the VxWorks remote debug server.
|
|
|
|
|
If the address is not 1, the server knows that the target
|
|
|
|
|
program is jumping to a new address, which requires special
|
|
|
|
|
handling if there is a breakpoint at the new address. */
|
|
|
|
|
|
|
|
|
|
cont_addr = read_register (PC_REGNUM);
|
|
|
|
|
if (cont_addr == stop_pc)
|
|
|
|
|
cont_addr = 1;
|
|
|
|
|
|
|
|
|
|
memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in));
|
|
|
|
|
memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out));
|
|
|
|
|
|
2001-05-04 06:15:33 +02:00
|
|
|
|
ptrace_in.pid = PIDGET (ptid);
|
1999-07-07 22:19:36 +02:00
|
|
|
|
ptrace_in.addr = cont_addr; /* Target side insists on this, or it panics. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
if (step)
|
1999-07-07 22:19:36 +02:00
|
|
|
|
status = net_step ();
|
1999-04-16 03:35:26 +02:00
|
|
|
|
else
|
|
|
|
|
status = net_ptrace_clnt_call (PTRACE_CONT, &ptrace_in, &ptrace_out);
|
|
|
|
|
|
|
|
|
|
if (status)
|
|
|
|
|
error (rpcerr);
|
|
|
|
|
if (ptrace_out.status == -1)
|
|
|
|
|
{
|
|
|
|
|
errno = ptrace_out.errno_num;
|
|
|
|
|
perror_with_name ("Resuming remote process");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_mourn_inferior (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
pop_target (); /* Pop back to no-child state */
|
|
|
|
|
generic_mourn_inferior ();
|
|
|
|
|
}
|
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
|
2000-05-28 03:12:42 +02:00
|
|
|
|
static void vx_add_symbols (char *, int, CORE_ADDR, CORE_ADDR, CORE_ADDR);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
struct find_sect_args
|
|
|
|
|
{
|
|
|
|
|
CORE_ADDR text_start;
|
|
|
|
|
CORE_ADDR data_start;
|
|
|
|
|
CORE_ADDR bss_start;
|
|
|
|
|
};
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
2000-05-28 03:12:42 +02:00
|
|
|
|
static void find_sect (bfd *, asection *, void *);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
static void
|
2003-01-18 Andrew Cagney <ac131313@redhat.com>
* ada-valprint.c: Eliminate PTR.
* breakpoint.c, corelow.c, cris-tdep.c, dbxread.c: Ditto.
* defs.h, dve3900-rom.c, dwarf2read.c, dwarfread.c: Ditto.
* exec.c, hppa-tdep.c, hpread.c, infcmd.c, mdebugread.c: Ditto.
* objfiles.c, objfiles.h, ocd.c, remote-es.c: Ditto.
* remote-mips.c, remote-sds.c, remote-vx.c: Ditto.
* solib-svr4.c, solib.c, stack.c, symfile.c, symfile.h: Ditto.
* symmisc.c, v850ice.c, xcoffread.c, cli/cli-script.c: Ditto.
2003-01-18 16:55:53 +01:00
|
|
|
|
find_sect (bfd *abfd, asection *sect, void *obj)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
1999-07-07 22:19:36 +02:00
|
|
|
|
struct find_sect_args *args = (struct find_sect_args *) obj;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
if (bfd_get_section_flags (abfd, sect) & (SEC_CODE & SEC_READONLY))
|
|
|
|
|
args->text_start = bfd_get_section_vma (abfd, sect);
|
|
|
|
|
else if (bfd_get_section_flags (abfd, sect) & SEC_ALLOC)
|
|
|
|
|
{
|
|
|
|
|
if (bfd_get_section_flags (abfd, sect) & SEC_LOAD)
|
|
|
|
|
{
|
|
|
|
|
/* Exclude .ctor and .dtor sections which have SEC_CODE set but not
|
|
|
|
|
SEC_DATA. */
|
|
|
|
|
if (bfd_get_section_flags (abfd, sect) & SEC_DATA)
|
|
|
|
|
args->data_start = bfd_get_section_vma (abfd, sect);
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
args->bss_start = bfd_get_section_vma (abfd, sect);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_add_symbols (char *name, int from_tty, CORE_ADDR text_addr,
|
|
|
|
|
CORE_ADDR data_addr, CORE_ADDR bss_addr)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
struct section_offsets *offs;
|
|
|
|
|
struct objfile *objfile;
|
|
|
|
|
struct find_sect_args ss;
|
|
|
|
|
|
|
|
|
|
/* It might be nice to suppress the breakpoint_re_set which happens here
|
|
|
|
|
because we are going to do one again after the objfile_relocate. */
|
1999-10-12 06:37:53 +02:00
|
|
|
|
objfile = symbol_file_add (name, from_tty, NULL, 0, 0);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
/* This is a (slightly cheesy) way of superceding the old symbols. A less
|
|
|
|
|
cheesy way would be to find the objfile with the same name and
|
|
|
|
|
free_objfile it. */
|
|
|
|
|
objfile_to_front (objfile);
|
|
|
|
|
|
2003-07-04 03:27:25 +02:00
|
|
|
|
offs =
|
|
|
|
|
(struct section_offsets *)
|
|
|
|
|
alloca (SIZEOF_N_SECTION_OFFSETS (objfile->num_sections));
|
|
|
|
|
memcpy (offs, objfile->section_offsets,
|
|
|
|
|
SIZEOF_N_SECTION_OFFSETS (objfile->num_sections));
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
ss.text_start = 0;
|
|
|
|
|
ss.data_start = 0;
|
|
|
|
|
ss.bss_start = 0;
|
|
|
|
|
bfd_map_over_sections (objfile->obfd, find_sect, &ss);
|
|
|
|
|
|
|
|
|
|
/* Both COFF and b.out frontends use these SECT_OFF_* values. */
|
2000-08-28 00:30:29 +02:00
|
|
|
|
offs->offsets[SECT_OFF_TEXT (objfile)] = text_addr - ss.text_start;
|
|
|
|
|
offs->offsets[SECT_OFF_DATA (objfile)] = data_addr - ss.data_start;
|
|
|
|
|
offs->offsets[SECT_OFF_BSS (objfile)] = bss_addr - ss.bss_start;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
objfile_relocate (objfile, offs);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* This function allows the addition of incrementally linked object files. */
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_load_command (char *arg_string, int from_tty)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
CORE_ADDR text_addr;
|
|
|
|
|
CORE_ADDR data_addr;
|
|
|
|
|
CORE_ADDR bss_addr;
|
|
|
|
|
|
|
|
|
|
if (arg_string == 0)
|
|
|
|
|
error ("The load command takes a file name");
|
|
|
|
|
|
|
|
|
|
arg_string = tilde_expand (arg_string);
|
2000-12-15 02:01:51 +01:00
|
|
|
|
make_cleanup (xfree, arg_string);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
dont_repeat ();
|
|
|
|
|
|
|
|
|
|
/* Refuse to load the module if a debugged task is running. Doing so
|
|
|
|
|
can have a number of unpleasant consequences to the running task. */
|
|
|
|
|
|
2001-05-04 06:15:33 +02:00
|
|
|
|
if (PIDGET (inferior_ptid) != 0 && target_has_execution)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
if (query ("You may not load a module while the target task is running.\n\
|
|
|
|
|
Kill the target task? "))
|
1999-07-07 22:19:36 +02:00
|
|
|
|
target_kill ();
|
1999-04-16 03:35:26 +02:00
|
|
|
|
else
|
* gdbarch.sh, hp-psymtab-read.c, hpread.c, m3-nat.c, mcore-tdep.c,
mips-tdep.c, monitor.c, regcache.c, remote-es.c, ser-unix.c,
somread.c, tracepoint.c: Fix spelling errors in comments.
* gdbarch.c: Regenerate.
* gnu-nat.c (S_exception_raise_request): Fix typos and spelling
errors in strings.
* m3-nat.c (intercept_exec_calls, mach_thread_parse_id): Likewise.
* mcore-tdep.c (mcore_analyze_prologue): Likewise.
* mips-tdep.c (mips16_next_pc, _initialize_mips_tdep): Likewise.
* remote-e7000.c (e7000_start_remote): Likewise.
* remote-rdp.c (handle_swi): Likewise.
* remote-vx.c (vx_load_command): Likewise.
* sh-tdep.c (sh_do_pseudo_register): Likewise.
* sol-thread.c (td_err_string): Likewise.
* symtab.c (decode_line_2): Likewise.
-------------------------------------------------------------------
2000-10-30 22:50:58 +01:00
|
|
|
|
error ("Load canceled.");
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
QUIT;
|
|
|
|
|
immediate_quit++;
|
|
|
|
|
if (net_load (arg_string, &text_addr, &data_addr, &bss_addr) == -1)
|
|
|
|
|
error ("Load failed on target machine");
|
|
|
|
|
immediate_quit--;
|
|
|
|
|
|
|
|
|
|
vx_add_symbols (arg_string, from_tty, text_addr, data_addr, bss_addr);
|
|
|
|
|
|
|
|
|
|
/* Getting new symbols may change our opinion about what is
|
|
|
|
|
frameless. */
|
|
|
|
|
reinit_frame_cache ();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Single step the target program at the source or machine level.
|
|
|
|
|
Takes an error exit if rpc fails.
|
|
|
|
|
Returns -1 if remote single-step operation fails, else 0. */
|
|
|
|
|
|
|
|
|
|
static int
|
2000-07-30 03:48:28 +02:00
|
|
|
|
net_step (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
enum clnt_stat status;
|
|
|
|
|
int step_status;
|
|
|
|
|
SOURCE_STEP source_step;
|
|
|
|
|
|
2001-05-04 06:15:33 +02:00
|
|
|
|
source_step.taskId = PIDGET (inferior_ptid);
|
2004-05-10 06:20:46 +02:00
|
|
|
|
source_step.startAddr = 0;
|
|
|
|
|
source_step.endAddr = 0;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
status = net_clnt_call (VX_SOURCE_STEP, xdr_SOURCE_STEP, &source_step,
|
|
|
|
|
xdr_int, &step_status);
|
|
|
|
|
|
|
|
|
|
if (status == RPC_SUCCESS)
|
|
|
|
|
return step_status;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
else
|
1999-04-16 03:35:26 +02:00
|
|
|
|
error (rpcerr);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Emulate ptrace using RPC calls to the VxWorks target system.
|
|
|
|
|
Returns nonzero (-1) if RPC status to VxWorks is bad, 0 otherwise. */
|
|
|
|
|
|
|
|
|
|
static int
|
2000-07-30 03:48:28 +02:00
|
|
|
|
net_ptrace_clnt_call (enum ptracereq request, Rptrace *pPtraceIn,
|
|
|
|
|
Ptrace_return *pPtraceOut)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
enum clnt_stat status;
|
|
|
|
|
|
|
|
|
|
status = net_clnt_call (request, xdr_rptrace, pPtraceIn, xdr_ptrace_return,
|
|
|
|
|
pPtraceOut);
|
|
|
|
|
|
|
|
|
|
if (status != RPC_SUCCESS)
|
1999-07-07 22:19:36 +02:00
|
|
|
|
return -1;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Query the target for the name of the file from which VxWorks was
|
|
|
|
|
booted. pBootFile is the address of a pointer to the buffer to
|
|
|
|
|
receive the file name; if the pointer pointed to by pBootFile is
|
|
|
|
|
NULL, memory for the buffer will be allocated by XDR.
|
|
|
|
|
Returns -1 if rpc failed, 0 otherwise. */
|
|
|
|
|
|
|
|
|
|
static int
|
2000-07-30 03:48:28 +02:00
|
|
|
|
net_get_boot_file (char **pBootFile)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
enum clnt_stat status;
|
|
|
|
|
|
|
|
|
|
status = net_clnt_call (VX_BOOT_FILE_INQ, xdr_void, (char *) 0,
|
|
|
|
|
xdr_wrapstring, pBootFile);
|
|
|
|
|
return (status == RPC_SUCCESS) ? 0 : -1;
|
|
|
|
|
}
|
|
|
|
|
|
2000-10-16 08:42:28 +02:00
|
|
|
|
/* Fetch a list of loaded object modules from the VxWorks target
|
|
|
|
|
and store in PLOADTABLE.
|
1999-04-16 03:35:26 +02:00
|
|
|
|
Returns -1 if rpc failed, 0 otherwise
|
|
|
|
|
There's no way to check if the returned loadTable is correct.
|
|
|
|
|
VxWorks doesn't check it. */
|
|
|
|
|
|
|
|
|
|
static int
|
2000-10-16 08:42:28 +02:00
|
|
|
|
net_get_symbols (ldtabl *pLoadTable)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
enum clnt_stat status;
|
|
|
|
|
|
|
|
|
|
memset ((char *) pLoadTable, '\0', sizeof (struct ldtabl));
|
|
|
|
|
|
|
|
|
|
status = net_clnt_call (VX_STATE_INQ, xdr_void, 0, xdr_ldtabl, pLoadTable);
|
|
|
|
|
return (status == RPC_SUCCESS) ? 0 : -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Look up a symbol in the VxWorks target's symbol table.
|
|
|
|
|
Returns status of symbol read on target side (0=success, -1=fail)
|
|
|
|
|
Returns -1 and complain()s if rpc fails. */
|
|
|
|
|
|
|
|
|
|
static int
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_lookup_symbol (char *name, /* symbol name */
|
|
|
|
|
CORE_ADDR *pAddr)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
enum clnt_stat status;
|
|
|
|
|
SYMBOL_ADDR symbolAddr;
|
|
|
|
|
|
|
|
|
|
*pAddr = 0;
|
|
|
|
|
memset ((char *) &symbolAddr, '\0', sizeof (symbolAddr));
|
|
|
|
|
|
|
|
|
|
status = net_clnt_call (VX_SYMBOL_INQ, xdr_wrapstring, &name,
|
|
|
|
|
xdr_SYMBOL_ADDR, &symbolAddr);
|
|
|
|
|
if (status != RPC_SUCCESS)
|
|
|
|
|
{
|
2002-12-17 01:39:08 +01:00
|
|
|
|
complaint (&symfile_complaints, "Lost contact with VxWorks target");
|
1999-04-16 03:35:26 +02:00
|
|
|
|
return -1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
*pAddr = symbolAddr.addr;
|
|
|
|
|
return symbolAddr.status;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Check to see if the VxWorks target has a floating point coprocessor.
|
|
|
|
|
Returns 1 if target has floating point processor, 0 otherwise.
|
|
|
|
|
Calls error() if rpc fails. */
|
|
|
|
|
|
|
|
|
|
static int
|
2000-07-30 03:48:28 +02:00
|
|
|
|
net_check_for_fp (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
enum clnt_stat status;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
bool_t fp = 0; /* true if fp processor is present on target board */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
status = net_clnt_call (VX_FP_INQUIRE, xdr_void, 0, xdr_bool, &fp);
|
|
|
|
|
if (status != RPC_SUCCESS)
|
|
|
|
|
error (rpcerr);
|
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
return (int) fp;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Establish an RPC connection with the VxWorks target system.
|
|
|
|
|
Calls error () if unable to establish connection. */
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
net_connect (char *host)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
struct sockaddr_in destAddr;
|
|
|
|
|
struct hostent *destHost;
|
|
|
|
|
unsigned long addr;
|
|
|
|
|
|
|
|
|
|
/* Get the internet address for the given host. Allow a numeric
|
|
|
|
|
IP address or a hostname. */
|
|
|
|
|
|
|
|
|
|
addr = inet_addr (host);
|
|
|
|
|
if (addr == -1)
|
|
|
|
|
{
|
|
|
|
|
destHost = (struct hostent *) gethostbyname (host);
|
|
|
|
|
if (destHost == NULL)
|
|
|
|
|
/* FIXME: Probably should include hostname here in quotes.
|
|
|
|
|
For example if the user types "target vxworks vx960 " it should
|
|
|
|
|
say "Invalid host `vx960 '." not just "Invalid hostname". */
|
|
|
|
|
error ("Invalid hostname. Couldn't find remote host address.");
|
1999-07-07 22:19:36 +02:00
|
|
|
|
addr = *(unsigned long *) destHost->h_addr;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
memset (&destAddr, '\0', sizeof (destAddr));
|
|
|
|
|
|
|
|
|
|
destAddr.sin_addr.s_addr = addr;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
destAddr.sin_family = AF_INET;
|
|
|
|
|
destAddr.sin_port = 0; /* set to actual port that remote
|
|
|
|
|
ptrace is listening on. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
/* Create a tcp client transport on which to issue
|
|
|
|
|
calls to the remote ptrace server. */
|
|
|
|
|
|
|
|
|
|
ptraceSock = RPC_ANYSOCK;
|
|
|
|
|
pClient = clnttcp_create (&destAddr, RDBPROG, RDBVERS, &ptraceSock, 0, 0);
|
|
|
|
|
/* FIXME, here is where we deal with different version numbers of the
|
|
|
|
|
proto */
|
|
|
|
|
|
|
|
|
|
if (pClient == NULL)
|
|
|
|
|
{
|
|
|
|
|
clnt_pcreateerror ("\tnet_connect");
|
|
|
|
|
error ("Couldn't connect to remote target.");
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Sleep for the specified number of milliseconds
|
|
|
|
|
* (assumed to be less than 1000).
|
|
|
|
|
* If select () is interrupted, returns immediately;
|
|
|
|
|
* takes an error exit if select () fails for some other reason.
|
|
|
|
|
*/
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
sleep_ms (long ms)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
struct timeval select_timeout;
|
|
|
|
|
int status;
|
|
|
|
|
|
|
|
|
|
select_timeout.tv_sec = 0;
|
|
|
|
|
select_timeout.tv_usec = ms * 1000;
|
|
|
|
|
|
|
|
|
|
status = select (0, (fd_set *) 0, (fd_set *) 0, (fd_set *) 0,
|
|
|
|
|
&select_timeout);
|
|
|
|
|
|
|
|
|
|
if (status < 0 && errno != EINTR)
|
|
|
|
|
perror_with_name ("select");
|
|
|
|
|
}
|
|
|
|
|
|
2001-05-04 06:15:33 +02:00
|
|
|
|
static ptid_t
|
|
|
|
|
vx_wait (ptid_t ptid_to_wait_for, struct target_waitstatus *status)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
2003-09-14 Andrew Cagney <cagney@redhat.com>
* alpha-nat.c: Remove some occurances of "register".
* alpha-tdep.c, arm-tdep.c, blockframe.c, breakpoint.c: Ditto.
* buildsym.c, c-typeprint.c, c-valprint.c, coffread.c: Ditto.
* corefile.c, cp-support.c, cp-valprint.c, cris-tdep.c: Ditto.
* dbxread.c, dcache.c, dwarf2read.c, elfread.c: Ditto.
* environ.c, eval.c, event-top.c, f-typeprint.c: Ditto.
* f-valprint.c, findvar.c, frame.c, gdbtypes.c: Ditto.
* h8300-tdep.c, hppa-tdep.c, hppab-nat.c, hppah-nat.c: Ditto.
* hppam3-nat.c, hpread.c, ia64-aix-nat.c, ia64-linux-nat.c: Ditto.
* infcall.c, infcmd.c, inflow.c, infptrace.c, infrun.c: Ditto.
* infttrace.c, irix5-nat.c, jv-typeprint.c: Ditto.
* jv-valprint.c, m68k-tdep.c, m68klinux-nat.c, main.c: Ditto.
* mdebugread.c, minsyms.c, mips-linux-tdep.c: Ditto.
* mips-nat.c, mips-tdep.c, mipsread.c, mipsv4-nat.c: Ditto.
* ns32k-tdep.c, objfiles.c, p-typeprint.c: Ditto.
* p-valprint.c, ppc-linux-nat.c, printcmd.c: Ditto.
* remote-mips.c, remote-vx.c, rs6000-nat.c: Ditto.
* rs6000-tdep.c, scm-exp.c, sh-tdep.c, sh64-tdep.c: Ditto.
* solib.c, somread.c, source.c, sparc-tdep.c: Ditto.
* stabsread.c, stack.c, standalone.c, symfile.c: Ditto.
* symmisc.c, symtab.c, top.c, tracepoint.c: Ditto.
* typeprint.c, utils.c, valarith.c, valops.c: Ditto.
* values.c, vax-tdep.c, xcoffread.c: Ditto.
2003-09-14 18:32:14 +02:00
|
|
|
|
int pid;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
RDB_EVENT rdbEvent;
|
|
|
|
|
int quit_failed;
|
|
|
|
|
|
|
|
|
|
do
|
|
|
|
|
{
|
|
|
|
|
/* If CTRL-C is hit during this loop,
|
1999-07-07 22:19:36 +02:00
|
|
|
|
suspend the inferior process. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
quit_failed = 0;
|
|
|
|
|
if (quit_flag)
|
|
|
|
|
{
|
|
|
|
|
quit_failed = (net_quit () == -1);
|
|
|
|
|
quit_flag = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* If a net_quit () or net_wait () call has failed,
|
1999-07-07 22:19:36 +02:00
|
|
|
|
allow the user to break the connection with the target.
|
|
|
|
|
We can't simply error () out of this loop, since the
|
|
|
|
|
data structures representing the state of the inferior
|
|
|
|
|
are in an inconsistent state. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
if (quit_failed || net_wait (&rdbEvent) == -1)
|
|
|
|
|
{
|
|
|
|
|
terminal_ours ();
|
|
|
|
|
if (query ("Can't %s. Disconnect from target system? ",
|
|
|
|
|
(quit_failed) ? "suspend remote task"
|
1999-07-07 22:19:36 +02:00
|
|
|
|
: "get status of remote task"))
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
1999-07-07 22:19:36 +02:00
|
|
|
|
target_mourn_inferior ();
|
1999-04-16 03:35:26 +02:00
|
|
|
|
error ("Use the \"target\" command to reconnect.");
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
terminal_inferior ();
|
|
|
|
|
continue;
|
|
|
|
|
}
|
|
|
|
|
}
|
1999-07-07 22:19:36 +02:00
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
|
pid = rdbEvent.taskId;
|
|
|
|
|
if (pid == 0)
|
|
|
|
|
{
|
|
|
|
|
sleep_ms (200); /* FIXME Don't kill the network too badly */
|
|
|
|
|
}
|
2001-05-04 06:15:33 +02:00
|
|
|
|
else if (pid != PIDGET (inferior_ptid))
|
2001-02-08 07:03:54 +01:00
|
|
|
|
internal_error (__FILE__, __LINE__,
|
|
|
|
|
"Bad pid for debugged task: %s\n",
|
1999-08-09 23:36:23 +02:00
|
|
|
|
local_hex_string ((unsigned long) pid));
|
1999-07-07 22:19:36 +02:00
|
|
|
|
}
|
|
|
|
|
while (pid == 0);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
/* The mostly likely kind. */
|
|
|
|
|
status->kind = TARGET_WAITKIND_STOPPED;
|
|
|
|
|
|
|
|
|
|
switch (rdbEvent.eventType)
|
|
|
|
|
{
|
|
|
|
|
case EVENT_EXIT:
|
|
|
|
|
status->kind = TARGET_WAITKIND_EXITED;
|
|
|
|
|
/* FIXME is it possible to distinguish between a
|
1999-07-07 22:19:36 +02:00
|
|
|
|
normal vs abnormal exit in VxWorks? */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
status->value.integer = 0;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case EVENT_START:
|
|
|
|
|
/* Task was just started. */
|
|
|
|
|
status->value.sig = TARGET_SIGNAL_TRAP;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case EVENT_STOP:
|
|
|
|
|
status->value.sig = TARGET_SIGNAL_TRAP;
|
|
|
|
|
/* XXX was it stopped by a signal? act accordingly */
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case EVENT_BREAK: /* Breakpoint was hit. */
|
|
|
|
|
status->value.sig = TARGET_SIGNAL_TRAP;
|
|
|
|
|
break;
|
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
case EVENT_SUSPEND: /* Task was suspended, probably by ^C. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
status->value.sig = TARGET_SIGNAL_INT;
|
|
|
|
|
break;
|
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
case EVENT_BUS_ERR: /* Task made evil nasty reference. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
status->value.sig = TARGET_SIGNAL_BUS;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case EVENT_ZERO_DIV: /* Division by zero */
|
|
|
|
|
status->value.sig = TARGET_SIGNAL_FPE;
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case EVENT_SIGNAL:
|
|
|
|
|
#ifdef I80960
|
|
|
|
|
status->value.sig = i960_fault_to_signal (rdbEvent.sigType);
|
|
|
|
|
#else
|
|
|
|
|
/* Back in the old days, before enum target_signal, this code used
|
1999-07-07 22:19:36 +02:00
|
|
|
|
to add NSIG to the signal number and claim that PRINT_RANDOM_SIGNAL
|
|
|
|
|
would take care of it. But PRINT_RANDOM_SIGNAL has never been
|
|
|
|
|
defined except on the i960, so I don't really know what we are
|
|
|
|
|
supposed to do on other architectures. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
status->value.sig = TARGET_SIGNAL_UNKNOWN;
|
|
|
|
|
#endif
|
|
|
|
|
break;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
} /* switch */
|
2001-05-04 06:15:33 +02:00
|
|
|
|
return pid_to_ptid (pid);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
2000-07-30 03:48:28 +02:00
|
|
|
|
symbol_stub (char *arg)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
2001-01-27 01:43:26 +01:00
|
|
|
|
symbol_file_add_main (arg, 0);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static int
|
2000-07-30 03:48:28 +02:00
|
|
|
|
add_symbol_stub (char *arg)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
1999-07-07 22:19:36 +02:00
|
|
|
|
struct ldfile *pLoadFile = (struct ldfile *) arg;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
printf_unfiltered ("\t%s: ", pLoadFile->name);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
vx_add_symbols (pLoadFile->name, 0, pLoadFile->txt_addr,
|
|
|
|
|
pLoadFile->data_addr, pLoadFile->bss_addr);
|
|
|
|
|
printf_unfiltered ("ok\n");
|
|
|
|
|
return 1;
|
|
|
|
|
}
|
|
|
|
|
/* Target command for VxWorks target systems.
|
|
|
|
|
|
|
|
|
|
Used in vxgdb. Takes the name of a remote target machine
|
|
|
|
|
running vxWorks and connects to it to initialize remote network
|
|
|
|
|
debugging. */
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_open (char *args, int from_tty)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
extern int close ();
|
|
|
|
|
char *bootFile;
|
|
|
|
|
extern char *source_path;
|
|
|
|
|
struct ldtabl loadTable;
|
|
|
|
|
struct ldfile *pLoadFile;
|
|
|
|
|
int i;
|
|
|
|
|
extern CLIENT *pClient;
|
|
|
|
|
int symbols_added = 0;
|
|
|
|
|
|
|
|
|
|
if (!args)
|
|
|
|
|
error_no_arg ("target machine name");
|
|
|
|
|
|
|
|
|
|
target_preopen (from_tty);
|
1999-07-07 22:19:36 +02:00
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
|
unpush_target (&vx_ops);
|
|
|
|
|
printf_unfiltered ("Attaching remote machine across net...\n");
|
|
|
|
|
gdb_flush (gdb_stdout);
|
|
|
|
|
|
|
|
|
|
/* Allow the user to kill the connect attempt by typing ^C.
|
|
|
|
|
Wait until the call to target_has_fp () completes before
|
|
|
|
|
disallowing an immediate quit, since even if net_connect ()
|
|
|
|
|
is successful, the remote debug server might be hung. */
|
|
|
|
|
|
|
|
|
|
immediate_quit++;
|
|
|
|
|
|
|
|
|
|
net_connect (args);
|
|
|
|
|
target_has_fp = net_check_for_fp ();
|
|
|
|
|
printf_filtered ("Connected to %s.\n", args);
|
|
|
|
|
|
|
|
|
|
immediate_quit--;
|
|
|
|
|
|
|
|
|
|
push_target (&vx_ops);
|
|
|
|
|
|
|
|
|
|
/* Save a copy of the target host's name. */
|
|
|
|
|
vx_host = savestring (args, strlen (args));
|
|
|
|
|
|
|
|
|
|
/* Find out the name of the file from which the target was booted
|
|
|
|
|
and load its symbol table. */
|
|
|
|
|
|
|
|
|
|
printf_filtered ("Looking in Unix path for all loaded modules:\n");
|
|
|
|
|
bootFile = NULL;
|
|
|
|
|
if (!net_get_boot_file (&bootFile))
|
|
|
|
|
{
|
|
|
|
|
if (*bootFile)
|
|
|
|
|
{
|
|
|
|
|
printf_filtered ("\t%s: ", bootFile);
|
|
|
|
|
/* This assumes that the kernel is never relocated. Hope that is an
|
|
|
|
|
accurate assumption. */
|
|
|
|
|
if (catch_errors
|
|
|
|
|
(symbol_stub,
|
|
|
|
|
bootFile,
|
|
|
|
|
"Error while reading symbols from boot file:\n",
|
|
|
|
|
RETURN_MASK_ALL))
|
|
|
|
|
puts_filtered ("ok\n");
|
|
|
|
|
}
|
|
|
|
|
else if (from_tty)
|
|
|
|
|
printf_unfiltered ("VxWorks kernel symbols not loaded.\n");
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
error ("Can't retrieve boot file name from target machine.");
|
|
|
|
|
|
|
|
|
|
clnt_freeres (pClient, xdr_wrapstring, &bootFile);
|
|
|
|
|
|
|
|
|
|
if (net_get_symbols (&loadTable) != 0)
|
|
|
|
|
error ("Can't read loaded modules from target machine");
|
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
i = 0 - 1;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
while (++i < loadTable.tbl_size)
|
|
|
|
|
{
|
1999-07-07 22:19:36 +02:00
|
|
|
|
QUIT; /* FIXME, avoids clnt_freeres below: mem leak */
|
|
|
|
|
pLoadFile = &loadTable.tbl_ent[i];
|
1999-04-16 03:35:26 +02:00
|
|
|
|
#ifdef WRS_ORIG
|
1999-07-07 22:19:36 +02:00
|
|
|
|
{
|
2003-09-16 Andrew Cagney <cagney@redhat.com>
* buildsym.c: Remove more occurances of "register".
* coffread.c, dbxread.c, dcache.c, dwarf2read.c: Ditto.
* environ.c, eval.c, f-valprint.c, findvar.c: Ditto.
* gdbtypes.c, gnu-v2-abi.c, h8300-tdep.c, hppa-tdep.c: Ditto.
* infcmd.c, mdebugread.c, minsyms.c, mips-tdep.c: Ditto.
* printcmd.c, remote-vx.c, sh-stub.c, sh-tdep.c: Ditto.
* sh64-tdep.c, source.c, stabsread.c, stack.c: Ditto.
* standalone.c, symfile.c, symmisc.c, symtab.c: Ditto.
* utils.c, valops.c, values.c, xcoffread.c: Ditto.
2003-09-16 20:56:35 +02:00
|
|
|
|
int desc;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
struct cleanup *old_chain;
|
|
|
|
|
char *fullname = NULL;
|
|
|
|
|
|
|
|
|
|
desc = openp (source_path, 0, pLoadFile->name, O_RDONLY, 0, &fullname);
|
|
|
|
|
if (desc < 0)
|
|
|
|
|
perror_with_name (pLoadFile->name);
|
|
|
|
|
old_chain = make_cleanup (close, desc);
|
|
|
|
|
add_file_at_addr (fullname, desc, pLoadFile->txt_addr, pLoadFile->data_addr,
|
|
|
|
|
pLoadFile->bss_addr);
|
|
|
|
|
do_cleanups (old_chain);
|
|
|
|
|
}
|
1999-04-16 03:35:26 +02:00
|
|
|
|
#else
|
|
|
|
|
/* FIXME: Is there something better to search than the PATH? (probably
|
1999-07-07 22:19:36 +02:00
|
|
|
|
not the source path, since source might be in different directories
|
|
|
|
|
than objects. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
if (catch_errors (add_symbol_stub, (char *) pLoadFile, (char *) 0,
|
1999-04-16 03:35:26 +02:00
|
|
|
|
RETURN_MASK_ALL))
|
|
|
|
|
symbols_added = 1;
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
printf_filtered ("Done.\n");
|
|
|
|
|
|
|
|
|
|
clnt_freeres (pClient, xdr_ldtabl, &loadTable);
|
|
|
|
|
|
|
|
|
|
/* Getting new symbols may change our opinion about what is
|
|
|
|
|
frameless. */
|
|
|
|
|
if (symbols_added)
|
|
|
|
|
reinit_frame_cache ();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Takes a task started up outside of gdb and ``attaches'' to it.
|
|
|
|
|
This stops it cold in its tracks and allows us to start tracing it. */
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_attach (char *args, int from_tty)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
unsigned long pid;
|
|
|
|
|
char *cptr = 0;
|
|
|
|
|
Rptrace ptrace_in;
|
|
|
|
|
Ptrace_return ptrace_out;
|
|
|
|
|
int status;
|
|
|
|
|
|
|
|
|
|
if (!args)
|
|
|
|
|
error_no_arg ("process-id to attach");
|
|
|
|
|
|
|
|
|
|
pid = strtoul (args, &cptr, 0);
|
|
|
|
|
if ((cptr == args) || (*cptr != '\0'))
|
|
|
|
|
error ("Invalid process-id -- give a single number in decimal or 0xhex");
|
|
|
|
|
|
|
|
|
|
if (from_tty)
|
|
|
|
|
printf_unfiltered ("Attaching pid %s.\n",
|
1999-07-07 22:19:36 +02:00
|
|
|
|
local_hex_string ((unsigned long) pid));
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in));
|
|
|
|
|
memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out));
|
1999-04-16 03:35:26 +02:00
|
|
|
|
ptrace_in.pid = pid;
|
|
|
|
|
|
|
|
|
|
status = net_ptrace_clnt_call (PTRACE_ATTACH, &ptrace_in, &ptrace_out);
|
|
|
|
|
if (status == -1)
|
|
|
|
|
error (rpcerr);
|
|
|
|
|
if (ptrace_out.status == -1)
|
|
|
|
|
{
|
|
|
|
|
errno = ptrace_out.errno_num;
|
|
|
|
|
perror_with_name ("Attaching remote process");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* It worked... */
|
|
|
|
|
|
2001-05-04 06:15:33 +02:00
|
|
|
|
inferior_ptid = pid_to_ptid (pid);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
push_target (&vx_run_ops);
|
|
|
|
|
|
|
|
|
|
if (vx_running)
|
2000-12-15 02:01:51 +01:00
|
|
|
|
xfree (vx_running);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
vx_running = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* detach_command --
|
|
|
|
|
takes a program previously attached to and detaches it.
|
|
|
|
|
The program resumes execution and will no longer stop
|
|
|
|
|
on signals, etc. We better not have left any breakpoints
|
|
|
|
|
in the program or it'll die when it hits one. For this
|
|
|
|
|
to work, it may be necessary for the process to have been
|
|
|
|
|
previously attached. It *might* work if the program was
|
|
|
|
|
started via the normal ptrace (PTRACE_TRACEME). */
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_detach (char *args, int from_tty)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
Rptrace ptrace_in;
|
|
|
|
|
Ptrace_return ptrace_out;
|
|
|
|
|
int signal = 0;
|
|
|
|
|
int status;
|
|
|
|
|
|
|
|
|
|
if (args)
|
|
|
|
|
error ("Argument given to VxWorks \"detach\".");
|
|
|
|
|
|
|
|
|
|
if (from_tty)
|
1999-07-07 22:19:36 +02:00
|
|
|
|
printf_unfiltered ("Detaching pid %s.\n",
|
2001-05-04 06:15:33 +02:00
|
|
|
|
local_hex_string (
|
|
|
|
|
(unsigned long) PIDGET (inferior_ptid)));
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
if (args) /* FIXME, should be possible to leave suspended */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
signal = atoi (args);
|
1999-07-07 22:19:36 +02:00
|
|
|
|
|
|
|
|
|
memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in));
|
|
|
|
|
memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out));
|
2001-05-04 06:15:33 +02:00
|
|
|
|
ptrace_in.pid = PIDGET (inferior_ptid);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
status = net_ptrace_clnt_call (PTRACE_DETACH, &ptrace_in, &ptrace_out);
|
|
|
|
|
if (status == -1)
|
|
|
|
|
error (rpcerr);
|
|
|
|
|
if (ptrace_out.status == -1)
|
|
|
|
|
{
|
|
|
|
|
errno = ptrace_out.errno_num;
|
|
|
|
|
perror_with_name ("Detaching VxWorks process");
|
|
|
|
|
}
|
|
|
|
|
|
2001-05-04 06:15:33 +02:00
|
|
|
|
inferior_ptid = null_ptid;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
pop_target (); /* go back to non-executing VxWorks connection */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* vx_kill -- takes a running task and wipes it out. */
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_kill (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
Rptrace ptrace_in;
|
|
|
|
|
Ptrace_return ptrace_out;
|
|
|
|
|
int status;
|
|
|
|
|
|
2001-05-04 06:15:33 +02:00
|
|
|
|
printf_unfiltered ("Killing pid %s.\n", local_hex_string ((unsigned long) PIDGET (inferior_ptid)));
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
1999-07-07 22:19:36 +02:00
|
|
|
|
memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in));
|
|
|
|
|
memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out));
|
2001-05-04 06:15:33 +02:00
|
|
|
|
ptrace_in.pid = PIDGET (inferior_ptid);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
status = net_ptrace_clnt_call (PTRACE_KILL, &ptrace_in, &ptrace_out);
|
|
|
|
|
if (status == -1)
|
|
|
|
|
warning (rpcerr);
|
|
|
|
|
else if (ptrace_out.status == -1)
|
|
|
|
|
{
|
|
|
|
|
errno = ptrace_out.errno_num;
|
|
|
|
|
perror_with_name ("Killing VxWorks process");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* If it gives good status, the process is *gone*, no events remain.
|
|
|
|
|
If the kill failed, assume the process is gone anyhow. */
|
2001-05-04 06:15:33 +02:00
|
|
|
|
inferior_ptid = null_ptid;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
pop_target (); /* go back to non-executing VxWorks connection */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Clean up from the VxWorks process target as it goes away. */
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_proc_close (int quitting)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
2001-05-04 06:15:33 +02:00
|
|
|
|
inferior_ptid = null_ptid; /* No longer have a process. */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
if (vx_running)
|
2000-12-15 02:01:51 +01:00
|
|
|
|
xfree (vx_running);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
vx_running = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Make an RPC call to the VxWorks target.
|
|
|
|
|
Returns RPC status. */
|
|
|
|
|
|
|
|
|
|
static enum clnt_stat
|
2000-07-30 03:48:28 +02:00
|
|
|
|
net_clnt_call (enum ptracereq procNum, xdrproc_t inProc, char *in,
|
|
|
|
|
xdrproc_t outProc, char *out)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
enum clnt_stat status;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
|
1999-04-16 03:35:26 +02:00
|
|
|
|
status = clnt_call (pClient, procNum, inProc, in, outProc, out, rpcTimeout);
|
|
|
|
|
|
|
|
|
|
if (status != RPC_SUCCESS)
|
1999-07-07 22:19:36 +02:00
|
|
|
|
clnt_perrno (status);
|
1999-04-16 03:35:26 +02:00
|
|
|
|
|
|
|
|
|
return status;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Clean up before losing control. */
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_close (int quitting)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
if (pClient)
|
|
|
|
|
clnt_destroy (pClient); /* The net connection */
|
|
|
|
|
pClient = 0;
|
|
|
|
|
|
|
|
|
|
if (vx_host)
|
2000-12-15 02:01:51 +01:00
|
|
|
|
xfree (vx_host); /* The hostname */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
vx_host = 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* A vxprocess target should be started via "run" not "target". */
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
vx_proc_open (char *name, int from_tty)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
error ("Use the \"run\" command to start a VxWorks process.");
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
init_vx_ops (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
vx_ops.to_shortname = "vxworks";
|
|
|
|
|
vx_ops.to_longname = "VxWorks target memory via RPC over TCP/IP";
|
|
|
|
|
vx_ops.to_doc = "Use VxWorks target memory. \n\
|
|
|
|
|
Specify the name of the machine to connect to.";
|
|
|
|
|
vx_ops.to_open = vx_open;
|
|
|
|
|
vx_ops.to_close = vx_close;
|
|
|
|
|
vx_ops.to_attach = vx_attach;
|
|
|
|
|
vx_ops.to_xfer_memory = vx_xfer_memory;
|
|
|
|
|
vx_ops.to_files_info = vx_files_info;
|
|
|
|
|
vx_ops.to_load = vx_load_command;
|
|
|
|
|
vx_ops.to_lookup_symbol = vx_lookup_symbol;
|
|
|
|
|
vx_ops.to_create_inferior = vx_create_inferior;
|
|
|
|
|
vx_ops.to_stratum = core_stratum;
|
|
|
|
|
vx_ops.to_has_all_memory = 1;
|
|
|
|
|
vx_ops.to_has_memory = 1;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
vx_ops.to_magic = OPS_MAGIC; /* Always the last thing */
|
1999-04-16 03:35:26 +02:00
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
init_vx_run_ops (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
vx_run_ops.to_shortname = "vxprocess";
|
|
|
|
|
vx_run_ops.to_longname = "VxWorks process";
|
|
|
|
|
vx_run_ops.to_doc = "VxWorks process; started by the \"run\" command.";
|
|
|
|
|
vx_run_ops.to_open = vx_proc_open;
|
|
|
|
|
vx_run_ops.to_close = vx_proc_close;
|
|
|
|
|
vx_run_ops.to_detach = vx_detach;
|
|
|
|
|
vx_run_ops.to_resume = vx_resume;
|
|
|
|
|
vx_run_ops.to_wait = vx_wait;
|
|
|
|
|
vx_run_ops.to_fetch_registers = vx_read_register;
|
|
|
|
|
vx_run_ops.to_store_registers = vx_write_register;
|
|
|
|
|
vx_run_ops.to_prepare_to_store = vx_prepare_to_store;
|
|
|
|
|
vx_run_ops.to_xfer_memory = vx_xfer_memory;
|
|
|
|
|
vx_run_ops.to_files_info = vx_run_files_info;
|
|
|
|
|
vx_run_ops.to_insert_breakpoint = vx_insert_breakpoint;
|
|
|
|
|
vx_run_ops.to_remove_breakpoint = vx_remove_breakpoint;
|
|
|
|
|
vx_run_ops.to_kill = vx_kill;
|
|
|
|
|
vx_run_ops.to_load = vx_load_command;
|
|
|
|
|
vx_run_ops.to_lookup_symbol = vx_lookup_symbol;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
vx_run_ops.to_mourn_inferior = vx_mourn_inferior;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
vx_run_ops.to_stratum = process_stratum;
|
|
|
|
|
vx_run_ops.to_has_memory = 1;
|
|
|
|
|
vx_run_ops.to_has_stack = 1;
|
|
|
|
|
vx_run_ops.to_has_registers = 1;
|
1999-07-07 22:19:36 +02:00
|
|
|
|
vx_run_ops.to_has_execution = 1;
|
|
|
|
|
vx_run_ops.to_magic = OPS_MAGIC;
|
1999-04-16 03:35:26 +02:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void
|
2000-07-30 03:48:28 +02:00
|
|
|
|
_initialize_vx (void)
|
1999-04-16 03:35:26 +02:00
|
|
|
|
{
|
|
|
|
|
init_vx_ops ();
|
|
|
|
|
add_target (&vx_ops);
|
|
|
|
|
init_vx_run_ops ();
|
|
|
|
|
add_target (&vx_run_ops);
|
|
|
|
|
|
2004-07-26 16:53:06 +02:00
|
|
|
|
deprecated_add_show_from_set
|
1999-04-16 03:35:26 +02:00
|
|
|
|
(add_set_cmd ("vxworks-timeout", class_support, var_uinteger,
|
|
|
|
|
(char *) &rpcTimeout.tv_sec,
|
|
|
|
|
"Set seconds to wait for rpc calls to return.\n\
|
|
|
|
|
Set the number of seconds to wait for rpc calls to return.", &setlist),
|
|
|
|
|
&showlist);
|
|
|
|
|
}
|