/* Memory-access and commands for remote VxWorks processes, for GDB.
- Copyright (C) 1990-95, 1997-98, 1999 Free Software Foundation, Inc.
+
+ Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1997, 1998, 1999,
+ 2000, 2001, 2002 Free Software Foundation, Inc.
+
Contributed by Wind River Systems and Cygnus Support.
This file is part of GDB.
#include "defs.h"
#include "frame.h"
#include "inferior.h"
-#include "wait.h"
#include "target.h"
#include "gdbcore.h"
#include "command.h"
#include "complaints.h"
#include "gdbcmd.h"
#include "bfd.h" /* Required by objfiles.h. */
-#include "symfile.h" /* Required by objfiles.h. */
+#include "symfile.h"
#include "objfiles.h"
#include "gdb-stabs.h"
+#include "regcache.h"
#include "gdb_string.h"
#include <errno.h>
extern void vx_read_register ();
extern void vx_write_register ();
extern void symbol_file_command ();
-extern int stop_soon_quietly; /* for wait_for_inferior */
+extern enum stop_kind stop_soon; /* for wait_for_inferior */
static int net_step ();
static int net_ptrace_clnt_call (); /* Forward decl */
Returns 0 for success, -1 for failure. */
static int
-net_load (filename, pTextAddr, pDataAddr, pBssAddr)
- char *filename;
- CORE_ADDR *pTextAddr;
- CORE_ADDR *pDataAddr;
- CORE_ADDR *pBssAddr;
+net_load (char *filename, CORE_ADDR *pTextAddr, CORE_ADDR *pDataAddr,
+ CORE_ADDR *pBssAddr)
{
enum clnt_stat status;
struct ldfile ldstruct;
/* returns 0 if successful, errno if RPC failed or VxWorks complains. */
static int
-net_break (addr, procnum)
- int addr;
- u_long procnum;
+net_break (int addr, u_long procnum)
{
enum clnt_stat status;
int break_status;
break_status = 0;
ptrace_in.addr = addr;
- ptrace_in.pid = inferior_pid;
+ ptrace_in.pid = PIDGET (inferior_ptid);
status = net_clnt_call (procnum, xdr_rptrace, &ptrace_in, xdr_int,
&break_status);
/* returns 0 if successful, errno otherwise */
static int
-vx_insert_breakpoint (addr)
- int addr;
+vx_insert_breakpoint (int addr)
{
return net_break (addr, VX_BREAK_ADD);
}
/* returns 0 if successful, errno otherwise */
static int
-vx_remove_breakpoint (addr)
- int addr;
+vx_remove_breakpoint (int addr)
{
return net_break (addr, VX_BREAK_DELETE);
}
-/* Start an inferior process and sets inferior_pid to its pid.
+/* Start an inferior process and sets inferior_ptid to its pid.
EXEC_FILE is the file to run.
ALLARGS is a string containing the arguments to the program.
ENV is the environment vector to pass.
On VxWorks, we ignore exec_file. */
static void
-vx_create_inferior (exec_file, args, env)
- char *exec_file;
- char *args;
- char **env;
+vx_create_inferior (char *exec_file, char *args, char **env)
{
enum clnt_stat status;
arg_array passArgs;
strlen (passArgs.arg_array_val[0]));
push_target (&vx_run_ops);
- inferior_pid = taskStart.pid;
+ inferior_ptid = pid_to_ptid (taskStart.pid);
/* We will get a trace trap after one instruction.
Insert breakpoints and continue. */
/* Install inferior's terminal modes. */
target_terminal_inferior ();
- stop_soon_quietly = 1;
+ stop_soon = STOP_QUIETLY;
wait_for_inferior (); /* Get the task spawn event */
- stop_soon_quietly = 0;
+ stop_soon = NO_STOP_QUIETLY;
/* insert_step_breakpoint (); FIXME, do we need this? */
proceed (-1, TARGET_SIGNAL_DEFAULT, 0);
argument string ARGSTRING. */
static void
-parse_args (arg_string, arg_struct)
- register char *arg_string;
- arg_array *arg_struct;
+parse_args (char *arg_string, arg_array *arg_struct)
{
- register int arg_count = 0; /* number of arguments */
- register int arg_index = 0;
- register char *p0;
+ int arg_count = 0; /* number of arguments */
+ int arg_index = 0;
+ char *p0;
memset ((char *) arg_struct, '\0', sizeof (arg_array));
to the first non-white character. */
static char *
-skip_white_space (p)
- register char *p;
+skip_white_space (char *p)
{
while (*p == ' ' || *p == '\t')
p++;
if no whitespace is found. */
static char *
-find_white_space (p)
- register char *p;
+find_white_space (char *p)
{
- register int c;
+ int c;
while ((c = *p) != ' ' && c != '\t' && c)
{
Returns -1 if remote wait failed, task status otherwise. */
static int
-net_wait (pEvent)
- RDB_EVENT *pEvent;
+net_wait (RDB_EVENT *pEvent)
{
int pid;
enum clnt_stat status;
memset ((char *) pEvent, '\0', sizeof (RDB_EVENT));
- pid = inferior_pid;
+ pid = PIDGET (inferior_ptid);
status = net_clnt_call (PROCESS_WAIT, xdr_int, &pid, xdr_RDB_EVENT,
pEvent);
Returns -1 if suspend fails on target system, 0 otherwise. */
static int
-net_quit ()
+net_quit (void)
{
int pid;
int quit_status;
/* don't let rdbTask suspend itself by passing a pid of 0 */
- if ((pid = inferior_pid) == 0)
+ if ((pid = PIDGET (inferior_ptid)) == 0)
return -1;
status = net_clnt_call (VX_TASK_SUSPEND, xdr_int, &pid, xdr_int,
/* Read a register or registers from the remote system. */
void
-net_read_registers (reg_buf, len, procnum)
- char *reg_buf;
- int len;
- u_long procnum;
+net_read_registers (char *reg_buf, int len, u_long procnum)
{
int status;
Rptrace ptrace_in;
/* Initialize RPC input argument structure. */
- ptrace_in.pid = inferior_pid;
+ ptrace_in.pid = PIDGET (inferior_ptid);
ptrace_in.info.ttype = NOINFO;
/* Initialize RPC return value structure. */
a utility routine used by vx_write_register (). */
void
-net_write_registers (reg_buf, len, procnum)
- char *reg_buf;
- int len;
- u_long procnum;
+net_write_registers (char *reg_buf, int len, u_long procnum)
{
int status;
Rptrace ptrace_in;
in_data.bytes = reg_buf;
in_data.len = len;
- ptrace_in.pid = inferior_pid;
+ ptrace_in.pid = PIDGET (inferior_ptid);
ptrace_in.info.ttype = DATA;
ptrace_in.info.more_data = (caddr_t) & in_data;
read out their current values now. */
static void
-vx_prepare_to_store ()
+vx_prepare_to_store (void)
{
/* Fetch all registers, if any of them are not yet fetched. */
- read_register_bytes (0, NULL, REGISTER_BYTES);
+ deprecated_read_register_bytes (0, NULL, DEPRECATED_REGISTER_BYTES);
}
/* 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
- inferior.
+ inferior. TARGET is unused.
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
-vx_xfer_memory (memaddr, myaddr, len, write, target)
- CORE_ADDR memaddr;
- char *myaddr;
- int len;
- int write;
- struct target_ops *target; /* ignored */
+vx_xfer_memory (CORE_ADDR memaddr, char *myaddr, int len, int write,
+ struct mem_attrib *attrib, struct target_ops *target)
{
int status;
Rptrace ptrace_in;
memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in));
memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out));
- ptrace_in.pid = inferior_pid; /* XXX pid unnecessary for READDATA */
+ ptrace_in.pid = PIDGET (inferior_ptid); /* XXX pid unnecessary for READDATA */
ptrace_in.addr = (int) memaddr; /* Where from */
ptrace_in.data = len; /* How many bytes */
}
static void
-vx_files_info ()
+vx_files_info (void)
{
printf_unfiltered ("\tAttached to host `%s'", vx_host);
printf_unfiltered (", which has %sfloating point", target_has_fp ? "" : "no ");
}
static void
-vx_run_files_info ()
+vx_run_files_info (void)
{
printf_unfiltered ("\tRunning %s VxWorks process %s",
vx_running ? "child" : "attached",
- local_hex_string (inferior_pid));
+ local_hex_string (PIDGET (inferior_ptid)));
if (vx_running)
printf_unfiltered (", function `%s'", vx_running);
printf_unfiltered (".\n");
}
static void
-vx_resume (pid, step, siggnal)
- int pid;
- int step;
- enum target_signal siggnal;
+vx_resume (ptid_t ptid, int step, enum target_signal siggnal)
{
int status;
Rptrace ptrace_in;
Ptrace_return ptrace_out;
CORE_ADDR cont_addr;
- if (pid == -1)
- pid = inferior_pid;
+ if (ptid_equal (ptid, minus_one_ptid))
+ ptid = inferior_ptid;
if (siggnal != 0 && siggnal != stop_signal)
error ("Cannot send signals to VxWorks processes");
memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in));
memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out));
- ptrace_in.pid = pid;
+ ptrace_in.pid = PIDGET (ptid);
ptrace_in.addr = cont_addr; /* Target side insists on this, or it panics. */
if (step)
}
static void
-vx_mourn_inferior ()
+vx_mourn_inferior (void)
{
pop_target (); /* Pop back to no-child state */
generic_mourn_inferior ();
}
\f
-static void vx_add_symbols PARAMS ((char *, int, CORE_ADDR, CORE_ADDR,
- CORE_ADDR));
+static void vx_add_symbols (char *, int, CORE_ADDR, CORE_ADDR, CORE_ADDR);
struct find_sect_args
{
CORE_ADDR bss_start;
};
-static void find_sect PARAMS ((bfd *, asection *, void *));
+static void find_sect (bfd *, asection *, void *);
static void
-find_sect (abfd, sect, obj)
- bfd *abfd;
- asection *sect;
- PTR obj;
+find_sect (bfd *abfd, asection *sect, void *obj)
{
struct find_sect_args *args = (struct find_sect_args *) obj;
}
static void
-vx_add_symbols (name, from_tty, text_addr, data_addr, bss_addr)
- char *name;
- int from_tty;
- CORE_ADDR text_addr;
- CORE_ADDR data_addr;
- CORE_ADDR bss_addr;
+vx_add_symbols (char *name, int from_tty, CORE_ADDR text_addr,
+ CORE_ADDR data_addr, CORE_ADDR bss_addr)
{
struct section_offsets *offs;
struct objfile *objfile;
free_objfile it. */
objfile_to_front (objfile);
- offs = (struct section_offsets *) alloca (SIZEOF_SECTION_OFFSETS);
- memcpy (offs, objfile->section_offsets, SIZEOF_SECTION_OFFSETS);
+ offs =
+ (struct section_offsets *)
+ alloca (SIZEOF_N_SECTION_OFFSETS (objfile->num_sections));
+ memcpy (offs, objfile->section_offsets,
+ SIZEOF_N_SECTION_OFFSETS (objfile->num_sections));
ss.text_start = 0;
ss.data_start = 0;
bfd_map_over_sections (objfile->obfd, find_sect, &ss);
/* Both COFF and b.out frontends use these SECT_OFF_* values. */
- ANOFFSET (offs, SECT_OFF_TEXT) = text_addr - ss.text_start;
- ANOFFSET (offs, SECT_OFF_DATA) = data_addr - ss.data_start;
- ANOFFSET (offs, SECT_OFF_BSS) = bss_addr - ss.bss_start;
+ 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;
objfile_relocate (objfile, offs);
}
/* This function allows the addition of incrementally linked object files. */
static void
-vx_load_command (arg_string, from_tty)
- char *arg_string;
- int from_tty;
+vx_load_command (char *arg_string, int from_tty)
{
CORE_ADDR text_addr;
CORE_ADDR data_addr;
error ("The load command takes a file name");
arg_string = tilde_expand (arg_string);
- make_cleanup (free, arg_string);
+ make_cleanup (xfree, arg_string);
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. */
- if (inferior_pid != 0 && target_has_execution)
+ if (PIDGET (inferior_ptid) != 0 && target_has_execution)
{
if (query ("You may not load a module while the target task is running.\n\
Kill the target task? "))
target_kill ();
else
- error ("Load cancelled.");
+ error ("Load canceled.");
}
QUIT;
Returns -1 if remote single-step operation fails, else 0. */
static int
-net_step ()
+net_step (void)
{
enum clnt_stat status;
int step_status;
SOURCE_STEP source_step;
- source_step.taskId = inferior_pid;
+ source_step.taskId = PIDGET (inferior_ptid);
if (step_range_end)
{
Returns nonzero (-1) if RPC status to VxWorks is bad, 0 otherwise. */
static int
-net_ptrace_clnt_call (request, pPtraceIn, pPtraceOut)
- enum ptracereq request;
- Rptrace *pPtraceIn;
- Ptrace_return *pPtraceOut;
+net_ptrace_clnt_call (enum ptracereq request, Rptrace *pPtraceIn,
+ Ptrace_return *pPtraceOut)
{
enum clnt_stat status;
Returns -1 if rpc failed, 0 otherwise. */
static int
-net_get_boot_file (pBootFile)
- char **pBootFile;
+net_get_boot_file (char **pBootFile)
{
enum clnt_stat status;
return (status == RPC_SUCCESS) ? 0 : -1;
}
-/* Fetch a list of loaded object modules from the VxWorks target.
+/* Fetch a list of loaded object modules from the VxWorks target
+ and store in PLOADTABLE.
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
-net_get_symbols (pLoadTable)
- ldtabl *pLoadTable; /* return pointer to ldtabl here */
+net_get_symbols (ldtabl *pLoadTable)
{
enum clnt_stat status;
Returns status of symbol read on target side (0=success, -1=fail)
Returns -1 and complain()s if rpc fails. */
-struct complaint cant_contact_target =
-{"Lost contact with VxWorks target", 0, 0};
-
static int
-vx_lookup_symbol (name, pAddr)
- char *name; /* symbol name */
- CORE_ADDR *pAddr;
+vx_lookup_symbol (char *name, /* symbol name */
+ CORE_ADDR *pAddr)
{
enum clnt_stat status;
SYMBOL_ADDR symbolAddr;
xdr_SYMBOL_ADDR, &symbolAddr);
if (status != RPC_SUCCESS)
{
- complain (&cant_contact_target);
+ complaint (&symfile_complaints, "Lost contact with VxWorks target");
return -1;
}
Calls error() if rpc fails. */
static int
-net_check_for_fp ()
+net_check_for_fp (void)
{
enum clnt_stat status;
bool_t fp = 0; /* true if fp processor is present on target board */
Calls error () if unable to establish connection. */
static void
-net_connect (host)
- char *host;
+net_connect (char *host)
{
struct sockaddr_in destAddr;
struct hostent *destHost;
*/
static void
-sleep_ms (ms)
- long ms;
+sleep_ms (long ms)
{
struct timeval select_timeout;
int status;
perror_with_name ("select");
}
-static int
-vx_wait (pid_to_wait_for, status)
- int pid_to_wait_for;
- struct target_waitstatus *status;
+static ptid_t
+vx_wait (ptid_t ptid_to_wait_for, struct target_waitstatus *status)
{
- register int pid;
+ int pid;
RDB_EVENT rdbEvent;
int quit_failed;
{
sleep_ms (200); /* FIXME Don't kill the network too badly */
}
- else if (pid != inferior_pid)
- internal_error ("Bad pid for debugged task: %s\n",
+ else if (pid != PIDGET (inferior_ptid))
+ internal_error (__FILE__, __LINE__,
+ "Bad pid for debugged task: %s\n",
local_hex_string ((unsigned long) pid));
}
while (pid == 0);
#endif
break;
} /* switch */
- return pid;
+ return pid_to_ptid (pid);
}
\f
static int
-symbol_stub (arg)
- char *arg;
+symbol_stub (char *arg)
{
- symbol_file_command (arg, 0);
+ symbol_file_add_main (arg, 0);
return 1;
}
static int
-add_symbol_stub (arg)
- char *arg;
+add_symbol_stub (char *arg)
{
struct ldfile *pLoadFile = (struct ldfile *) arg;
debugging. */
static void
-vx_open (args, from_tty)
- char *args;
- int from_tty;
+vx_open (char *args, int from_tty)
{
extern int close ();
char *bootFile;
pLoadFile = &loadTable.tbl_ent[i];
#ifdef WRS_ORIG
{
- register int desc;
+ int desc;
struct cleanup *old_chain;
char *fullname = NULL;
This stops it cold in its tracks and allows us to start tracing it. */
static void
-vx_attach (args, from_tty)
- char *args;
- int from_tty;
+vx_attach (char *args, int from_tty)
{
unsigned long pid;
char *cptr = 0;
/* It worked... */
- inferior_pid = pid;
+ inferior_ptid = pid_to_ptid (pid);
push_target (&vx_run_ops);
if (vx_running)
- free (vx_running);
+ xfree (vx_running);
vx_running = 0;
}
started via the normal ptrace (PTRACE_TRACEME). */
static void
-vx_detach (args, from_tty)
- char *args;
- int from_tty;
+vx_detach (char *args, int from_tty)
{
Rptrace ptrace_in;
Ptrace_return ptrace_out;
if (from_tty)
printf_unfiltered ("Detaching pid %s.\n",
- local_hex_string ((unsigned long) inferior_pid));
+ local_hex_string (
+ (unsigned long) PIDGET (inferior_ptid)));
if (args) /* FIXME, should be possible to leave suspended */
signal = atoi (args);
memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in));
memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out));
- ptrace_in.pid = inferior_pid;
+ ptrace_in.pid = PIDGET (inferior_ptid);
status = net_ptrace_clnt_call (PTRACE_DETACH, &ptrace_in, &ptrace_out);
if (status == -1)
perror_with_name ("Detaching VxWorks process");
}
- inferior_pid = 0;
+ inferior_ptid = null_ptid;
pop_target (); /* go back to non-executing VxWorks connection */
}
/* vx_kill -- takes a running task and wipes it out. */
static void
-vx_kill ()
+vx_kill (void)
{
Rptrace ptrace_in;
Ptrace_return ptrace_out;
int status;
- printf_unfiltered ("Killing pid %s.\n", local_hex_string ((unsigned long) inferior_pid));
+ printf_unfiltered ("Killing pid %s.\n", local_hex_string ((unsigned long) PIDGET (inferior_ptid)));
memset ((char *) &ptrace_in, '\0', sizeof (ptrace_in));
memset ((char *) &ptrace_out, '\0', sizeof (ptrace_out));
- ptrace_in.pid = inferior_pid;
+ ptrace_in.pid = PIDGET (inferior_ptid);
status = net_ptrace_clnt_call (PTRACE_KILL, &ptrace_in, &ptrace_out);
if (status == -1)
/* If it gives good status, the process is *gone*, no events remain.
If the kill failed, assume the process is gone anyhow. */
- inferior_pid = 0;
+ inferior_ptid = null_ptid;
pop_target (); /* go back to non-executing VxWorks connection */
}
/* Clean up from the VxWorks process target as it goes away. */
static void
-vx_proc_close (quitting)
- int quitting;
+vx_proc_close (int quitting)
{
- inferior_pid = 0; /* No longer have a process. */
+ inferior_ptid = null_ptid; /* No longer have a process. */
if (vx_running)
- free (vx_running);
+ xfree (vx_running);
vx_running = 0;
}
\f
Returns RPC status. */
static enum clnt_stat
-net_clnt_call (procNum, inProc, in, outProc, out)
- enum ptracereq procNum;
- xdrproc_t inProc;
- char *in;
- xdrproc_t outProc;
- char *out;
+net_clnt_call (enum ptracereq procNum, xdrproc_t inProc, char *in,
+ xdrproc_t outProc, char *out)
{
enum clnt_stat status;
/* Clean up before losing control. */
static void
-vx_close (quitting)
- int quitting;
+vx_close (int quitting)
{
if (pClient)
clnt_destroy (pClient); /* The net connection */
pClient = 0;
if (vx_host)
- free (vx_host); /* The hostname */
+ xfree (vx_host); /* The hostname */
vx_host = 0;
}
/* A vxprocess target should be started via "run" not "target". */
-/*ARGSUSED */
static void
-vx_proc_open (name, from_tty)
- char *name;
- int from_tty;
+vx_proc_open (char *name, int from_tty)
{
error ("Use the \"run\" command to start a VxWorks process.");
}
static void
-init_vx_ops ()
+init_vx_ops (void)
{
vx_ops.to_shortname = "vxworks";
vx_ops.to_longname = "VxWorks target memory via RPC over TCP/IP";
};
static void
-init_vx_run_ops ()
+init_vx_run_ops (void)
{
vx_run_ops.to_shortname = "vxprocess";
vx_run_ops.to_longname = "VxWorks process";
}
\f
void
-_initialize_vx ()
+_initialize_vx (void)
{
init_vx_ops ();
add_target (&vx_ops);
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