/* Main code for remote server for GDB.
|
/* Main code for remote server for GDB.
|
Copyright (C) 1989, 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2002, 2003,
|
Copyright (C) 1989, 1993, 1994, 1995, 1997, 1998, 1999, 2000, 2002, 2003,
|
2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
|
2004, 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
|
|
|
This file is part of GDB.
|
This file is part of GDB.
|
|
|
This program is free software; you can redistribute it and/or modify
|
This program is free software; you can redistribute it and/or modify
|
it under the terms of the GNU General Public License as published by
|
it under the terms of the GNU General Public License as published by
|
the Free Software Foundation; either version 3 of the License, or
|
the Free Software Foundation; either version 3 of the License, or
|
(at your option) any later version.
|
(at your option) any later version.
|
|
|
This program is distributed in the hope that it will be useful,
|
This program is distributed in the hope that it will be useful,
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
GNU General Public License for more details.
|
GNU General Public License for more details.
|
|
|
You should have received a copy of the GNU General Public License
|
You should have received a copy of the GNU General Public License
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
along with this program. If not, see <http://www.gnu.org/licenses/>. */
|
|
|
#include "server.h"
|
#include "server.h"
|
|
|
#if HAVE_UNISTD_H
|
#if HAVE_UNISTD_H
|
#include <unistd.h>
|
#include <unistd.h>
|
#endif
|
#endif
|
#if HAVE_SIGNAL_H
|
#if HAVE_SIGNAL_H
|
#include <signal.h>
|
#include <signal.h>
|
#endif
|
#endif
|
#if HAVE_SYS_WAIT_H
|
#if HAVE_SYS_WAIT_H
|
#include <sys/wait.h>
|
#include <sys/wait.h>
|
#endif
|
#endif
|
|
|
unsigned long cont_thread;
|
unsigned long cont_thread;
|
unsigned long general_thread;
|
unsigned long general_thread;
|
unsigned long step_thread;
|
unsigned long step_thread;
|
unsigned long thread_from_wait;
|
unsigned long thread_from_wait;
|
unsigned long old_thread_from_wait;
|
unsigned long old_thread_from_wait;
|
int server_waiting;
|
int server_waiting;
|
|
|
static int extended_protocol;
|
static int extended_protocol;
|
static int attached;
|
static int attached;
|
static int response_needed;
|
static int response_needed;
|
static int exit_requested;
|
static int exit_requested;
|
|
|
static char **program_argv;
|
static char **program_argv;
|
|
|
/* Enable miscellaneous debugging output. The name is historical - it
|
/* Enable miscellaneous debugging output. The name is historical - it
|
was originally used to debug LinuxThreads support. */
|
was originally used to debug LinuxThreads support. */
|
int debug_threads;
|
int debug_threads;
|
|
|
int pass_signals[TARGET_SIGNAL_LAST];
|
int pass_signals[TARGET_SIGNAL_LAST];
|
|
|
jmp_buf toplevel;
|
jmp_buf toplevel;
|
|
|
/* The PID of the originally created or attached inferior. Used to
|
/* The PID of the originally created or attached inferior. Used to
|
send signals to the process when GDB sends us an asynchronous interrupt
|
send signals to the process when GDB sends us an asynchronous interrupt
|
(user hitting Control-C in the client), and to wait for the child to exit
|
(user hitting Control-C in the client), and to wait for the child to exit
|
when no longer debugging it. */
|
when no longer debugging it. */
|
|
|
unsigned long signal_pid;
|
unsigned long signal_pid;
|
|
|
#ifdef SIGTTOU
|
#ifdef SIGTTOU
|
/* A file descriptor for the controlling terminal. */
|
/* A file descriptor for the controlling terminal. */
|
int terminal_fd;
|
int terminal_fd;
|
|
|
/* TERMINAL_FD's original foreground group. */
|
/* TERMINAL_FD's original foreground group. */
|
pid_t old_foreground_pgrp;
|
pid_t old_foreground_pgrp;
|
|
|
/* Hand back terminal ownership to the original foreground group. */
|
/* Hand back terminal ownership to the original foreground group. */
|
|
|
static void
|
static void
|
restore_old_foreground_pgrp (void)
|
restore_old_foreground_pgrp (void)
|
{
|
{
|
tcsetpgrp (terminal_fd, old_foreground_pgrp);
|
tcsetpgrp (terminal_fd, old_foreground_pgrp);
|
}
|
}
|
#endif
|
#endif
|
|
|
static int
|
static int
|
target_running (void)
|
target_running (void)
|
{
|
{
|
return all_threads.head != NULL;
|
return all_threads.head != NULL;
|
}
|
}
|
|
|
static int
|
static int
|
start_inferior (char *argv[], char *statusptr)
|
start_inferior (char *argv[], char *statusptr)
|
{
|
{
|
attached = 0;
|
attached = 0;
|
|
|
#ifdef SIGTTOU
|
#ifdef SIGTTOU
|
signal (SIGTTOU, SIG_DFL);
|
signal (SIGTTOU, SIG_DFL);
|
signal (SIGTTIN, SIG_DFL);
|
signal (SIGTTIN, SIG_DFL);
|
#endif
|
#endif
|
|
|
signal_pid = create_inferior (argv[0], argv);
|
signal_pid = create_inferior (argv[0], argv);
|
|
|
/* FIXME: we don't actually know at this point that the create
|
/* FIXME: we don't actually know at this point that the create
|
actually succeeded. We won't know that until we wait. */
|
actually succeeded. We won't know that until we wait. */
|
fprintf (stderr, "Process %s created; pid = %ld\n", argv[0],
|
fprintf (stderr, "Process %s created; pid = %ld\n", argv[0],
|
signal_pid);
|
signal_pid);
|
fflush (stderr);
|
fflush (stderr);
|
|
|
#ifdef SIGTTOU
|
#ifdef SIGTTOU
|
signal (SIGTTOU, SIG_IGN);
|
signal (SIGTTOU, SIG_IGN);
|
signal (SIGTTIN, SIG_IGN);
|
signal (SIGTTIN, SIG_IGN);
|
terminal_fd = fileno (stderr);
|
terminal_fd = fileno (stderr);
|
old_foreground_pgrp = tcgetpgrp (terminal_fd);
|
old_foreground_pgrp = tcgetpgrp (terminal_fd);
|
tcsetpgrp (terminal_fd, signal_pid);
|
tcsetpgrp (terminal_fd, signal_pid);
|
atexit (restore_old_foreground_pgrp);
|
atexit (restore_old_foreground_pgrp);
|
#endif
|
#endif
|
|
|
/* Wait till we are at 1st instruction in program, return signal
|
/* Wait till we are at 1st instruction in program, return signal
|
number (assuming success). */
|
number (assuming success). */
|
return mywait (statusptr, 0);
|
return mywait (statusptr, 0);
|
}
|
}
|
|
|
static int
|
static int
|
attach_inferior (int pid, char *statusptr, int *sigptr)
|
attach_inferior (int pid, char *statusptr, int *sigptr)
|
{
|
{
|
/* myattach should return -1 if attaching is unsupported,
|
/* myattach should return -1 if attaching is unsupported,
|
0 if it succeeded, and call error() otherwise. */
|
0 if it succeeded, and call error() otherwise. */
|
|
|
if (myattach (pid) != 0)
|
if (myattach (pid) != 0)
|
return -1;
|
return -1;
|
|
|
attached = 1;
|
attached = 1;
|
|
|
fprintf (stderr, "Attached; pid = %d\n", pid);
|
fprintf (stderr, "Attached; pid = %d\n", pid);
|
fflush (stderr);
|
fflush (stderr);
|
|
|
/* FIXME - It may be that we should get the SIGNAL_PID from the
|
/* FIXME - It may be that we should get the SIGNAL_PID from the
|
attach function, so that it can be the main thread instead of
|
attach function, so that it can be the main thread instead of
|
whichever we were told to attach to. */
|
whichever we were told to attach to. */
|
signal_pid = pid;
|
signal_pid = pid;
|
|
|
*sigptr = mywait (statusptr, 0);
|
*sigptr = mywait (statusptr, 0);
|
|
|
/* GDB knows to ignore the first SIGSTOP after attaching to a running
|
/* GDB knows to ignore the first SIGSTOP after attaching to a running
|
process using the "attach" command, but this is different; it's
|
process using the "attach" command, but this is different; it's
|
just using "target remote". Pretend it's just starting up. */
|
just using "target remote". Pretend it's just starting up. */
|
if (*statusptr == 'T' && *sigptr == TARGET_SIGNAL_STOP)
|
if (*statusptr == 'T' && *sigptr == TARGET_SIGNAL_STOP)
|
*sigptr = TARGET_SIGNAL_TRAP;
|
*sigptr = TARGET_SIGNAL_TRAP;
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
extern int remote_debug;
|
extern int remote_debug;
|
|
|
/* Decode a qXfer read request. Return 0 if everything looks OK,
|
/* Decode a qXfer read request. Return 0 if everything looks OK,
|
or -1 otherwise. */
|
or -1 otherwise. */
|
|
|
static int
|
static int
|
decode_xfer_read (char *buf, char **annex, CORE_ADDR *ofs, unsigned int *len)
|
decode_xfer_read (char *buf, char **annex, CORE_ADDR *ofs, unsigned int *len)
|
{
|
{
|
/* Extract and NUL-terminate the annex. */
|
/* Extract and NUL-terminate the annex. */
|
*annex = buf;
|
*annex = buf;
|
while (*buf && *buf != ':')
|
while (*buf && *buf != ':')
|
buf++;
|
buf++;
|
if (*buf == '\0')
|
if (*buf == '\0')
|
return -1;
|
return -1;
|
*buf++ = 0;
|
*buf++ = 0;
|
|
|
/* After the read marker and annex, qXfer looks like a
|
/* After the read marker and annex, qXfer looks like a
|
traditional 'm' packet. */
|
traditional 'm' packet. */
|
decode_m_packet (buf, ofs, len);
|
decode_m_packet (buf, ofs, len);
|
|
|
return 0;
|
return 0;
|
}
|
}
|
|
|
/* Write the response to a successful qXfer read. Returns the
|
/* Write the response to a successful qXfer read. Returns the
|
length of the (binary) data stored in BUF, corresponding
|
length of the (binary) data stored in BUF, corresponding
|
to as much of DATA/LEN as we could fit. IS_MORE controls
|
to as much of DATA/LEN as we could fit. IS_MORE controls
|
the first character of the response. */
|
the first character of the response. */
|
static int
|
static int
|
write_qxfer_response (char *buf, const void *data, int len, int is_more)
|
write_qxfer_response (char *buf, const void *data, int len, int is_more)
|
{
|
{
|
int out_len;
|
int out_len;
|
|
|
if (is_more)
|
if (is_more)
|
buf[0] = 'm';
|
buf[0] = 'm';
|
else
|
else
|
buf[0] = 'l';
|
buf[0] = 'l';
|
|
|
return remote_escape_output (data, len, (unsigned char *) buf + 1, &out_len,
|
return remote_escape_output (data, len, (unsigned char *) buf + 1, &out_len,
|
PBUFSIZ - 2) + 1;
|
PBUFSIZ - 2) + 1;
|
}
|
}
|
|
|
/* Handle all of the extended 'Q' packets. */
|
/* Handle all of the extended 'Q' packets. */
|
void
|
void
|
handle_general_set (char *own_buf)
|
handle_general_set (char *own_buf)
|
{
|
{
|
if (strncmp ("QPassSignals:", own_buf, strlen ("QPassSignals:")) == 0)
|
if (strncmp ("QPassSignals:", own_buf, strlen ("QPassSignals:")) == 0)
|
{
|
{
|
int numsigs = (int) TARGET_SIGNAL_LAST, i;
|
int numsigs = (int) TARGET_SIGNAL_LAST, i;
|
const char *p = own_buf + strlen ("QPassSignals:");
|
const char *p = own_buf + strlen ("QPassSignals:");
|
CORE_ADDR cursig;
|
CORE_ADDR cursig;
|
|
|
p = decode_address_to_semicolon (&cursig, p);
|
p = decode_address_to_semicolon (&cursig, p);
|
for (i = 0; i < numsigs; i++)
|
for (i = 0; i < numsigs; i++)
|
{
|
{
|
if (i == cursig)
|
if (i == cursig)
|
{
|
{
|
pass_signals[i] = 1;
|
pass_signals[i] = 1;
|
if (*p == '\0')
|
if (*p == '\0')
|
/* Keep looping, to clear the remaining signals. */
|
/* Keep looping, to clear the remaining signals. */
|
cursig = -1;
|
cursig = -1;
|
else
|
else
|
p = decode_address_to_semicolon (&cursig, p);
|
p = decode_address_to_semicolon (&cursig, p);
|
}
|
}
|
else
|
else
|
pass_signals[i] = 0;
|
pass_signals[i] = 0;
|
}
|
}
|
strcpy (own_buf, "OK");
|
strcpy (own_buf, "OK");
|
return;
|
return;
|
}
|
}
|
|
|
/* Otherwise we didn't know what packet it was. Say we didn't
|
/* Otherwise we didn't know what packet it was. Say we didn't
|
understand it. */
|
understand it. */
|
own_buf[0] = 0;
|
own_buf[0] = 0;
|
}
|
}
|
|
|
static const char *
|
static const char *
|
get_features_xml (const char *annex)
|
get_features_xml (const char *annex)
|
{
|
{
|
static int features_supported = -1;
|
static int features_supported = -1;
|
static char *document;
|
static char *document;
|
|
|
#ifdef USE_XML
|
#ifdef USE_XML
|
extern const char *const xml_builtin[][2];
|
extern const char *const xml_builtin[][2];
|
int i;
|
int i;
|
|
|
/* Look for the annex. */
|
/* Look for the annex. */
|
for (i = 0; xml_builtin[i][0] != NULL; i++)
|
for (i = 0; xml_builtin[i][0] != NULL; i++)
|
if (strcmp (annex, xml_builtin[i][0]) == 0)
|
if (strcmp (annex, xml_builtin[i][0]) == 0)
|
break;
|
break;
|
|
|
if (xml_builtin[i][0] != NULL)
|
if (xml_builtin[i][0] != NULL)
|
return xml_builtin[i][1];
|
return xml_builtin[i][1];
|
#endif
|
#endif
|
|
|
if (strcmp (annex, "target.xml") != 0)
|
if (strcmp (annex, "target.xml") != 0)
|
return NULL;
|
return NULL;
|
|
|
if (features_supported == -1)
|
if (features_supported == -1)
|
{
|
{
|
const char *arch = NULL;
|
const char *arch = NULL;
|
if (the_target->arch_string != NULL)
|
if (the_target->arch_string != NULL)
|
arch = (*the_target->arch_string) ();
|
arch = (*the_target->arch_string) ();
|
|
|
if (arch == NULL)
|
if (arch == NULL)
|
features_supported = 0;
|
features_supported = 0;
|
else
|
else
|
{
|
{
|
features_supported = 1;
|
features_supported = 1;
|
document = malloc (64 + strlen (arch));
|
document = malloc (64 + strlen (arch));
|
snprintf (document, 64 + strlen (arch),
|
snprintf (document, 64 + strlen (arch),
|
"<target><architecture>%s</architecture></target>",
|
"<target><architecture>%s</architecture></target>",
|
arch);
|
arch);
|
}
|
}
|
}
|
}
|
|
|
return document;
|
return document;
|
}
|
}
|
|
|
void
|
void
|
monitor_show_help (void)
|
monitor_show_help (void)
|
{
|
{
|
monitor_output ("The following monitor commands are supported:\n");
|
monitor_output ("The following monitor commands are supported:\n");
|
monitor_output (" set debug <0|1>\n");
|
monitor_output (" set debug <0|1>\n");
|
monitor_output (" Enable general debugging messages\n");
|
monitor_output (" Enable general debugging messages\n");
|
monitor_output (" set remote-debug <0|1>\n");
|
monitor_output (" set remote-debug <0|1>\n");
|
monitor_output (" Enable remote protocol debugging messages\n");
|
monitor_output (" Enable remote protocol debugging messages\n");
|
monitor_output (" exit\n");
|
monitor_output (" exit\n");
|
monitor_output (" Quit GDBserver\n");
|
monitor_output (" Quit GDBserver\n");
|
}
|
}
|
|
|
#define require_running(BUF) \
|
#define require_running(BUF) \
|
if (!target_running ()) \
|
if (!target_running ()) \
|
{ \
|
{ \
|
write_enn (BUF); \
|
write_enn (BUF); \
|
return; \
|
return; \
|
}
|
}
|
|
|
/* Handle all of the extended 'q' packets. */
|
/* Handle all of the extended 'q' packets. */
|
void
|
void
|
handle_query (char *own_buf, int packet_len, int *new_packet_len_p)
|
handle_query (char *own_buf, int packet_len, int *new_packet_len_p)
|
{
|
{
|
static struct inferior_list_entry *thread_ptr;
|
static struct inferior_list_entry *thread_ptr;
|
|
|
/* Reply the current thread id. */
|
/* Reply the current thread id. */
|
if (strcmp ("qC", own_buf) == 0)
|
if (strcmp ("qC", own_buf) == 0)
|
{
|
{
|
require_running (own_buf);
|
require_running (own_buf);
|
thread_ptr = all_threads.head;
|
thread_ptr = all_threads.head;
|
sprintf (own_buf, "QC%x",
|
sprintf (own_buf, "QC%x",
|
thread_to_gdb_id ((struct thread_info *)thread_ptr));
|
thread_to_gdb_id ((struct thread_info *)thread_ptr));
|
return;
|
return;
|
}
|
}
|
|
|
if (strcmp ("qSymbol::", own_buf) == 0)
|
if (strcmp ("qSymbol::", own_buf) == 0)
|
{
|
{
|
if (target_running () && the_target->look_up_symbols != NULL)
|
if (target_running () && the_target->look_up_symbols != NULL)
|
(*the_target->look_up_symbols) ();
|
(*the_target->look_up_symbols) ();
|
|
|
strcpy (own_buf, "OK");
|
strcpy (own_buf, "OK");
|
return;
|
return;
|
}
|
}
|
|
|
if (strcmp ("qfThreadInfo", own_buf) == 0)
|
if (strcmp ("qfThreadInfo", own_buf) == 0)
|
{
|
{
|
require_running (own_buf);
|
require_running (own_buf);
|
thread_ptr = all_threads.head;
|
thread_ptr = all_threads.head;
|
sprintf (own_buf, "m%x", thread_to_gdb_id ((struct thread_info *)thread_ptr));
|
sprintf (own_buf, "m%x", thread_to_gdb_id ((struct thread_info *)thread_ptr));
|
thread_ptr = thread_ptr->next;
|
thread_ptr = thread_ptr->next;
|
return;
|
return;
|
}
|
}
|
|
|
if (strcmp ("qsThreadInfo", own_buf) == 0)
|
if (strcmp ("qsThreadInfo", own_buf) == 0)
|
{
|
{
|
require_running (own_buf);
|
require_running (own_buf);
|
if (thread_ptr != NULL)
|
if (thread_ptr != NULL)
|
{
|
{
|
sprintf (own_buf, "m%x", thread_to_gdb_id ((struct thread_info *)thread_ptr));
|
sprintf (own_buf, "m%x", thread_to_gdb_id ((struct thread_info *)thread_ptr));
|
thread_ptr = thread_ptr->next;
|
thread_ptr = thread_ptr->next;
|
return;
|
return;
|
}
|
}
|
else
|
else
|
{
|
{
|
sprintf (own_buf, "l");
|
sprintf (own_buf, "l");
|
return;
|
return;
|
}
|
}
|
}
|
}
|
|
|
if (the_target->read_offsets != NULL
|
if (the_target->read_offsets != NULL
|
&& strcmp ("qOffsets", own_buf) == 0)
|
&& strcmp ("qOffsets", own_buf) == 0)
|
{
|
{
|
CORE_ADDR text, data;
|
CORE_ADDR text, data;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
if (the_target->read_offsets (&text, &data))
|
if (the_target->read_offsets (&text, &data))
|
sprintf (own_buf, "Text=%lX;Data=%lX;Bss=%lX",
|
sprintf (own_buf, "Text=%lX;Data=%lX;Bss=%lX",
|
(long)text, (long)data, (long)data);
|
(long)text, (long)data, (long)data);
|
else
|
else
|
write_enn (own_buf);
|
write_enn (own_buf);
|
|
|
return;
|
return;
|
}
|
}
|
|
|
if (the_target->qxfer_spu != NULL
|
if (the_target->qxfer_spu != NULL
|
&& strncmp ("qXfer:spu:read:", own_buf, 15) == 0)
|
&& strncmp ("qXfer:spu:read:", own_buf, 15) == 0)
|
{
|
{
|
char *annex;
|
char *annex;
|
int n;
|
int n;
|
unsigned int len;
|
unsigned int len;
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned char *spu_buf;
|
unsigned char *spu_buf;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
if (decode_xfer_read (own_buf + 15, &annex, &ofs, &len) < 0)
|
if (decode_xfer_read (own_buf + 15, &annex, &ofs, &len) < 0)
|
return;
|
return;
|
if (len > PBUFSIZ - 2)
|
if (len > PBUFSIZ - 2)
|
len = PBUFSIZ - 2;
|
len = PBUFSIZ - 2;
|
spu_buf = malloc (len + 1);
|
spu_buf = malloc (len + 1);
|
if (!spu_buf)
|
if (!spu_buf)
|
return;
|
return;
|
|
|
n = (*the_target->qxfer_spu) (annex, spu_buf, NULL, ofs, len + 1);
|
n = (*the_target->qxfer_spu) (annex, spu_buf, NULL, ofs, len + 1);
|
if (n < 0)
|
if (n < 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else if (n > len)
|
else if (n > len)
|
*new_packet_len_p = write_qxfer_response
|
*new_packet_len_p = write_qxfer_response
|
(own_buf, spu_buf, len, 1);
|
(own_buf, spu_buf, len, 1);
|
else
|
else
|
*new_packet_len_p = write_qxfer_response
|
*new_packet_len_p = write_qxfer_response
|
(own_buf, spu_buf, n, 0);
|
(own_buf, spu_buf, n, 0);
|
|
|
free (spu_buf);
|
free (spu_buf);
|
return;
|
return;
|
}
|
}
|
|
|
if (the_target->qxfer_spu != NULL
|
if (the_target->qxfer_spu != NULL
|
&& strncmp ("qXfer:spu:write:", own_buf, 16) == 0)
|
&& strncmp ("qXfer:spu:write:", own_buf, 16) == 0)
|
{
|
{
|
char *annex;
|
char *annex;
|
int n;
|
int n;
|
unsigned int len;
|
unsigned int len;
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned char *spu_buf;
|
unsigned char *spu_buf;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
spu_buf = malloc (packet_len - 15);
|
spu_buf = malloc (packet_len - 15);
|
if (!spu_buf)
|
if (!spu_buf)
|
return;
|
return;
|
if (decode_xfer_write (own_buf + 16, packet_len - 16, &annex,
|
if (decode_xfer_write (own_buf + 16, packet_len - 16, &annex,
|
&ofs, &len, spu_buf) < 0)
|
&ofs, &len, spu_buf) < 0)
|
{
|
{
|
free (spu_buf);
|
free (spu_buf);
|
return;
|
return;
|
}
|
}
|
|
|
n = (*the_target->qxfer_spu)
|
n = (*the_target->qxfer_spu)
|
(annex, NULL, (unsigned const char *)spu_buf, ofs, len);
|
(annex, NULL, (unsigned const char *)spu_buf, ofs, len);
|
if (n < 0)
|
if (n < 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else
|
else
|
sprintf (own_buf, "%x", n);
|
sprintf (own_buf, "%x", n);
|
|
|
free (spu_buf);
|
free (spu_buf);
|
return;
|
return;
|
}
|
}
|
|
|
if (the_target->read_auxv != NULL
|
if (the_target->read_auxv != NULL
|
&& strncmp ("qXfer:auxv:read:", own_buf, 16) == 0)
|
&& strncmp ("qXfer:auxv:read:", own_buf, 16) == 0)
|
{
|
{
|
unsigned char *data;
|
unsigned char *data;
|
int n;
|
int n;
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned int len;
|
unsigned int len;
|
char *annex;
|
char *annex;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
/* Reject any annex; grab the offset and length. */
|
/* Reject any annex; grab the offset and length. */
|
if (decode_xfer_read (own_buf + 16, &annex, &ofs, &len) < 0
|
if (decode_xfer_read (own_buf + 16, &annex, &ofs, &len) < 0
|
|| annex[0] != '\0')
|
|| annex[0] != '\0')
|
{
|
{
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
return;
|
return;
|
}
|
}
|
|
|
/* Read one extra byte, as an indicator of whether there is
|
/* Read one extra byte, as an indicator of whether there is
|
more. */
|
more. */
|
if (len > PBUFSIZ - 2)
|
if (len > PBUFSIZ - 2)
|
len = PBUFSIZ - 2;
|
len = PBUFSIZ - 2;
|
data = malloc (len + 1);
|
data = malloc (len + 1);
|
n = (*the_target->read_auxv) (ofs, data, len + 1);
|
n = (*the_target->read_auxv) (ofs, data, len + 1);
|
if (n < 0)
|
if (n < 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else if (n > len)
|
else if (n > len)
|
*new_packet_len_p = write_qxfer_response (own_buf, data, len, 1);
|
*new_packet_len_p = write_qxfer_response (own_buf, data, len, 1);
|
else
|
else
|
*new_packet_len_p = write_qxfer_response (own_buf, data, n, 0);
|
*new_packet_len_p = write_qxfer_response (own_buf, data, n, 0);
|
|
|
free (data);
|
free (data);
|
|
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp ("qXfer:features:read:", own_buf, 20) == 0)
|
if (strncmp ("qXfer:features:read:", own_buf, 20) == 0)
|
{
|
{
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned int len, total_len;
|
unsigned int len, total_len;
|
const char *document;
|
const char *document;
|
char *annex;
|
char *annex;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
/* Check for support. */
|
/* Check for support. */
|
document = get_features_xml ("target.xml");
|
document = get_features_xml ("target.xml");
|
if (document == NULL)
|
if (document == NULL)
|
{
|
{
|
own_buf[0] = '\0';
|
own_buf[0] = '\0';
|
return;
|
return;
|
}
|
}
|
|
|
/* Grab the annex, offset, and length. */
|
/* Grab the annex, offset, and length. */
|
if (decode_xfer_read (own_buf + 20, &annex, &ofs, &len) < 0)
|
if (decode_xfer_read (own_buf + 20, &annex, &ofs, &len) < 0)
|
{
|
{
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
return;
|
return;
|
}
|
}
|
|
|
/* Now grab the correct annex. */
|
/* Now grab the correct annex. */
|
document = get_features_xml (annex);
|
document = get_features_xml (annex);
|
if (document == NULL)
|
if (document == NULL)
|
{
|
{
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
return;
|
return;
|
}
|
}
|
|
|
total_len = strlen (document);
|
total_len = strlen (document);
|
if (len > PBUFSIZ - 2)
|
if (len > PBUFSIZ - 2)
|
len = PBUFSIZ - 2;
|
len = PBUFSIZ - 2;
|
|
|
if (ofs > total_len)
|
if (ofs > total_len)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else if (len < total_len - ofs)
|
else if (len < total_len - ofs)
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
len, 1);
|
len, 1);
|
else
|
else
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
total_len - ofs, 0);
|
total_len - ofs, 0);
|
|
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp ("qXfer:libraries:read:", own_buf, 21) == 0)
|
if (strncmp ("qXfer:libraries:read:", own_buf, 21) == 0)
|
{
|
{
|
CORE_ADDR ofs;
|
CORE_ADDR ofs;
|
unsigned int len, total_len;
|
unsigned int len, total_len;
|
char *document, *p;
|
char *document, *p;
|
struct inferior_list_entry *dll_ptr;
|
struct inferior_list_entry *dll_ptr;
|
char *annex;
|
char *annex;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
/* Reject any annex; grab the offset and length. */
|
/* Reject any annex; grab the offset and length. */
|
if (decode_xfer_read (own_buf + 21, &annex, &ofs, &len) < 0
|
if (decode_xfer_read (own_buf + 21, &annex, &ofs, &len) < 0
|
|| annex[0] != '\0')
|
|| annex[0] != '\0')
|
{
|
{
|
strcpy (own_buf, "E00");
|
strcpy (own_buf, "E00");
|
return;
|
return;
|
}
|
}
|
|
|
/* Over-estimate the necessary memory. Assume that every character
|
/* Over-estimate the necessary memory. Assume that every character
|
in the library name must be escaped. */
|
in the library name must be escaped. */
|
total_len = 64;
|
total_len = 64;
|
for (dll_ptr = all_dlls.head; dll_ptr != NULL; dll_ptr = dll_ptr->next)
|
for (dll_ptr = all_dlls.head; dll_ptr != NULL; dll_ptr = dll_ptr->next)
|
total_len += 128 + 6 * strlen (((struct dll_info *) dll_ptr)->name);
|
total_len += 128 + 6 * strlen (((struct dll_info *) dll_ptr)->name);
|
|
|
document = malloc (total_len);
|
document = malloc (total_len);
|
strcpy (document, "<library-list>\n");
|
strcpy (document, "<library-list>\n");
|
p = document + strlen (document);
|
p = document + strlen (document);
|
|
|
for (dll_ptr = all_dlls.head; dll_ptr != NULL; dll_ptr = dll_ptr->next)
|
for (dll_ptr = all_dlls.head; dll_ptr != NULL; dll_ptr = dll_ptr->next)
|
{
|
{
|
struct dll_info *dll = (struct dll_info *) dll_ptr;
|
struct dll_info *dll = (struct dll_info *) dll_ptr;
|
char *name;
|
char *name;
|
|
|
strcpy (p, " <library name=\"");
|
strcpy (p, " <library name=\"");
|
p = p + strlen (p);
|
p = p + strlen (p);
|
name = xml_escape_text (dll->name);
|
name = xml_escape_text (dll->name);
|
strcpy (p, name);
|
strcpy (p, name);
|
free (name);
|
free (name);
|
p = p + strlen (p);
|
p = p + strlen (p);
|
strcpy (p, "\"><segment address=\"");
|
strcpy (p, "\"><segment address=\"");
|
p = p + strlen (p);
|
p = p + strlen (p);
|
sprintf (p, "0x%lx", (long) dll->base_addr);
|
sprintf (p, "0x%lx", (long) dll->base_addr);
|
p = p + strlen (p);
|
p = p + strlen (p);
|
strcpy (p, "\"/></library>\n");
|
strcpy (p, "\"/></library>\n");
|
p = p + strlen (p);
|
p = p + strlen (p);
|
}
|
}
|
|
|
strcpy (p, "</library-list>\n");
|
strcpy (p, "</library-list>\n");
|
|
|
total_len = strlen (document);
|
total_len = strlen (document);
|
if (len > PBUFSIZ - 2)
|
if (len > PBUFSIZ - 2)
|
len = PBUFSIZ - 2;
|
len = PBUFSIZ - 2;
|
|
|
if (ofs > total_len)
|
if (ofs > total_len)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else if (len < total_len - ofs)
|
else if (len < total_len - ofs)
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
len, 1);
|
len, 1);
|
else
|
else
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
*new_packet_len_p = write_qxfer_response (own_buf, document + ofs,
|
total_len - ofs, 0);
|
total_len - ofs, 0);
|
|
|
free (document);
|
free (document);
|
return;
|
return;
|
}
|
}
|
|
|
/* Protocol features query. */
|
/* Protocol features query. */
|
if (strncmp ("qSupported", own_buf, 10) == 0
|
if (strncmp ("qSupported", own_buf, 10) == 0
|
&& (own_buf[10] == ':' || own_buf[10] == '\0'))
|
&& (own_buf[10] == ':' || own_buf[10] == '\0'))
|
{
|
{
|
sprintf (own_buf, "PacketSize=%x;QPassSignals+", PBUFSIZ - 1);
|
sprintf (own_buf, "PacketSize=%x;QPassSignals+", PBUFSIZ - 1);
|
|
|
/* We do not have any hook to indicate whether the target backend
|
/* We do not have any hook to indicate whether the target backend
|
supports qXfer:libraries:read, so always report it. */
|
supports qXfer:libraries:read, so always report it. */
|
strcat (own_buf, ";qXfer:libraries:read+");
|
strcat (own_buf, ";qXfer:libraries:read+");
|
|
|
if (the_target->read_auxv != NULL)
|
if (the_target->read_auxv != NULL)
|
strcat (own_buf, ";qXfer:auxv:read+");
|
strcat (own_buf, ";qXfer:auxv:read+");
|
|
|
if (the_target->qxfer_spu != NULL)
|
if (the_target->qxfer_spu != NULL)
|
strcat (own_buf, ";qXfer:spu:read+;qXfer:spu:write+");
|
strcat (own_buf, ";qXfer:spu:read+;qXfer:spu:write+");
|
|
|
if (get_features_xml ("target.xml") != NULL)
|
if (get_features_xml ("target.xml") != NULL)
|
strcat (own_buf, ";qXfer:features:read+");
|
strcat (own_buf, ";qXfer:features:read+");
|
|
|
return;
|
return;
|
}
|
}
|
|
|
/* Thread-local storage support. */
|
/* Thread-local storage support. */
|
if (the_target->get_tls_address != NULL
|
if (the_target->get_tls_address != NULL
|
&& strncmp ("qGetTLSAddr:", own_buf, 12) == 0)
|
&& strncmp ("qGetTLSAddr:", own_buf, 12) == 0)
|
{
|
{
|
char *p = own_buf + 12;
|
char *p = own_buf + 12;
|
CORE_ADDR parts[3], address = 0;
|
CORE_ADDR parts[3], address = 0;
|
int i, err;
|
int i, err;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
|
|
for (i = 0; i < 3; i++)
|
for (i = 0; i < 3; i++)
|
{
|
{
|
char *p2;
|
char *p2;
|
int len;
|
int len;
|
|
|
if (p == NULL)
|
if (p == NULL)
|
break;
|
break;
|
|
|
p2 = strchr (p, ',');
|
p2 = strchr (p, ',');
|
if (p2)
|
if (p2)
|
{
|
{
|
len = p2 - p;
|
len = p2 - p;
|
p2++;
|
p2++;
|
}
|
}
|
else
|
else
|
{
|
{
|
len = strlen (p);
|
len = strlen (p);
|
p2 = NULL;
|
p2 = NULL;
|
}
|
}
|
|
|
decode_address (&parts[i], p, len);
|
decode_address (&parts[i], p, len);
|
p = p2;
|
p = p2;
|
}
|
}
|
|
|
if (p != NULL || i < 3)
|
if (p != NULL || i < 3)
|
err = 1;
|
err = 1;
|
else
|
else
|
{
|
{
|
struct thread_info *thread = gdb_id_to_thread (parts[0]);
|
struct thread_info *thread = gdb_id_to_thread (parts[0]);
|
|
|
if (thread == NULL)
|
if (thread == NULL)
|
err = 2;
|
err = 2;
|
else
|
else
|
err = the_target->get_tls_address (thread, parts[1], parts[2],
|
err = the_target->get_tls_address (thread, parts[1], parts[2],
|
&address);
|
&address);
|
}
|
}
|
|
|
if (err == 0)
|
if (err == 0)
|
{
|
{
|
sprintf (own_buf, "%llx", address);
|
sprintf (own_buf, "%llx", address);
|
return;
|
return;
|
}
|
}
|
else if (err > 0)
|
else if (err > 0)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return;
|
return;
|
}
|
}
|
|
|
/* Otherwise, pretend we do not understand this packet. */
|
/* Otherwise, pretend we do not understand this packet. */
|
}
|
}
|
|
|
/* Handle "monitor" commands. */
|
/* Handle "monitor" commands. */
|
if (strncmp ("qRcmd,", own_buf, 6) == 0)
|
if (strncmp ("qRcmd,", own_buf, 6) == 0)
|
{
|
{
|
char *mon = malloc (PBUFSIZ);
|
char *mon = malloc (PBUFSIZ);
|
int len = strlen (own_buf + 6);
|
int len = strlen (own_buf + 6);
|
|
|
if ((len % 2) != 0 || unhexify (mon, own_buf + 6, len / 2) != len / 2)
|
if ((len % 2) != 0 || unhexify (mon, own_buf + 6, len / 2) != len / 2)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
free (mon);
|
free (mon);
|
return;
|
return;
|
}
|
}
|
mon[len / 2] = '\0';
|
mon[len / 2] = '\0';
|
|
|
write_ok (own_buf);
|
write_ok (own_buf);
|
|
|
if (strcmp (mon, "set debug 1") == 0)
|
if (strcmp (mon, "set debug 1") == 0)
|
{
|
{
|
debug_threads = 1;
|
debug_threads = 1;
|
monitor_output ("Debug output enabled.\n");
|
monitor_output ("Debug output enabled.\n");
|
}
|
}
|
else if (strcmp (mon, "set debug 0") == 0)
|
else if (strcmp (mon, "set debug 0") == 0)
|
{
|
{
|
debug_threads = 0;
|
debug_threads = 0;
|
monitor_output ("Debug output disabled.\n");
|
monitor_output ("Debug output disabled.\n");
|
}
|
}
|
else if (strcmp (mon, "set remote-debug 1") == 0)
|
else if (strcmp (mon, "set remote-debug 1") == 0)
|
{
|
{
|
remote_debug = 1;
|
remote_debug = 1;
|
monitor_output ("Protocol debug output enabled.\n");
|
monitor_output ("Protocol debug output enabled.\n");
|
}
|
}
|
else if (strcmp (mon, "set remote-debug 0") == 0)
|
else if (strcmp (mon, "set remote-debug 0") == 0)
|
{
|
{
|
remote_debug = 0;
|
remote_debug = 0;
|
monitor_output ("Protocol debug output disabled.\n");
|
monitor_output ("Protocol debug output disabled.\n");
|
}
|
}
|
else if (strcmp (mon, "help") == 0)
|
else if (strcmp (mon, "help") == 0)
|
monitor_show_help ();
|
monitor_show_help ();
|
else if (strcmp (mon, "exit") == 0)
|
else if (strcmp (mon, "exit") == 0)
|
exit_requested = 1;
|
exit_requested = 1;
|
else
|
else
|
{
|
{
|
monitor_output ("Unknown monitor command.\n\n");
|
monitor_output ("Unknown monitor command.\n\n");
|
monitor_show_help ();
|
monitor_show_help ();
|
write_enn (own_buf);
|
write_enn (own_buf);
|
}
|
}
|
|
|
free (mon);
|
free (mon);
|
return;
|
return;
|
}
|
}
|
|
|
/* Otherwise we didn't know what packet it was. Say we didn't
|
/* Otherwise we didn't know what packet it was. Say we didn't
|
understand it. */
|
understand it. */
|
own_buf[0] = 0;
|
own_buf[0] = 0;
|
}
|
}
|
|
|
/* Parse vCont packets. */
|
/* Parse vCont packets. */
|
void
|
void
|
handle_v_cont (char *own_buf, char *status, int *signal)
|
handle_v_cont (char *own_buf, char *status, int *signal)
|
{
|
{
|
char *p, *q;
|
char *p, *q;
|
int n = 0, i = 0;
|
int n = 0, i = 0;
|
struct thread_resume *resume_info, default_action;
|
struct thread_resume *resume_info, default_action;
|
|
|
/* Count the number of semicolons in the packet. There should be one
|
/* Count the number of semicolons in the packet. There should be one
|
for every action. */
|
for every action. */
|
p = &own_buf[5];
|
p = &own_buf[5];
|
while (p)
|
while (p)
|
{
|
{
|
n++;
|
n++;
|
p++;
|
p++;
|
p = strchr (p, ';');
|
p = strchr (p, ';');
|
}
|
}
|
/* Allocate room for one extra action, for the default remain-stopped
|
/* Allocate room for one extra action, for the default remain-stopped
|
behavior; if no default action is in the list, we'll need the extra
|
behavior; if no default action is in the list, we'll need the extra
|
slot. */
|
slot. */
|
resume_info = malloc ((n + 1) * sizeof (resume_info[0]));
|
resume_info = malloc ((n + 1) * sizeof (resume_info[0]));
|
|
|
default_action.thread = -1;
|
default_action.thread = -1;
|
default_action.leave_stopped = 1;
|
default_action.leave_stopped = 1;
|
default_action.step = 0;
|
default_action.step = 0;
|
default_action.sig = 0;
|
default_action.sig = 0;
|
|
|
p = &own_buf[5];
|
p = &own_buf[5];
|
i = 0;
|
i = 0;
|
while (*p)
|
while (*p)
|
{
|
{
|
p++;
|
p++;
|
|
|
resume_info[i].leave_stopped = 0;
|
resume_info[i].leave_stopped = 0;
|
|
|
if (p[0] == 's' || p[0] == 'S')
|
if (p[0] == 's' || p[0] == 'S')
|
resume_info[i].step = 1;
|
resume_info[i].step = 1;
|
else if (p[0] == 'c' || p[0] == 'C')
|
else if (p[0] == 'c' || p[0] == 'C')
|
resume_info[i].step = 0;
|
resume_info[i].step = 0;
|
else
|
else
|
goto err;
|
goto err;
|
|
|
if (p[0] == 'S' || p[0] == 'C')
|
if (p[0] == 'S' || p[0] == 'C')
|
{
|
{
|
int sig;
|
int sig;
|
sig = strtol (p + 1, &q, 16);
|
sig = strtol (p + 1, &q, 16);
|
if (p == q)
|
if (p == q)
|
goto err;
|
goto err;
|
p = q;
|
p = q;
|
|
|
if (!target_signal_to_host_p (sig))
|
if (!target_signal_to_host_p (sig))
|
goto err;
|
goto err;
|
resume_info[i].sig = target_signal_to_host (sig);
|
resume_info[i].sig = target_signal_to_host (sig);
|
}
|
}
|
else
|
else
|
{
|
{
|
resume_info[i].sig = 0;
|
resume_info[i].sig = 0;
|
p = p + 1;
|
p = p + 1;
|
}
|
}
|
|
|
if (p[0] == 0)
|
if (p[0] == 0)
|
{
|
{
|
resume_info[i].thread = -1;
|
resume_info[i].thread = -1;
|
default_action = resume_info[i];
|
default_action = resume_info[i];
|
|
|
/* Note: we don't increment i here, we'll overwrite this entry
|
/* Note: we don't increment i here, we'll overwrite this entry
|
the next time through. */
|
the next time through. */
|
}
|
}
|
else if (p[0] == ':')
|
else if (p[0] == ':')
|
{
|
{
|
unsigned int gdb_id = strtoul (p + 1, &q, 16);
|
unsigned int gdb_id = strtoul (p + 1, &q, 16);
|
unsigned long thread_id;
|
unsigned long thread_id;
|
|
|
if (p == q)
|
if (p == q)
|
goto err;
|
goto err;
|
p = q;
|
p = q;
|
if (p[0] != ';' && p[0] != 0)
|
if (p[0] != ';' && p[0] != 0)
|
goto err;
|
goto err;
|
|
|
thread_id = gdb_id_to_thread_id (gdb_id);
|
thread_id = gdb_id_to_thread_id (gdb_id);
|
if (thread_id)
|
if (thread_id)
|
resume_info[i].thread = thread_id;
|
resume_info[i].thread = thread_id;
|
else
|
else
|
goto err;
|
goto err;
|
|
|
i++;
|
i++;
|
}
|
}
|
}
|
}
|
|
|
resume_info[i] = default_action;
|
resume_info[i] = default_action;
|
|
|
/* Still used in occasional places in the backend. */
|
/* Still used in occasional places in the backend. */
|
if (n == 1 && resume_info[0].thread != -1)
|
if (n == 1 && resume_info[0].thread != -1)
|
cont_thread = resume_info[0].thread;
|
cont_thread = resume_info[0].thread;
|
else
|
else
|
cont_thread = -1;
|
cont_thread = -1;
|
set_desired_inferior (0);
|
set_desired_inferior (0);
|
|
|
enable_async_io ();
|
enable_async_io ();
|
(*the_target->resume) (resume_info);
|
(*the_target->resume) (resume_info);
|
|
|
free (resume_info);
|
free (resume_info);
|
|
|
*signal = mywait (status, 1);
|
*signal = mywait (status, 1);
|
prepare_resume_reply (own_buf, *status, *signal);
|
prepare_resume_reply (own_buf, *status, *signal);
|
disable_async_io ();
|
disable_async_io ();
|
return;
|
return;
|
|
|
err:
|
err:
|
write_enn (own_buf);
|
write_enn (own_buf);
|
free (resume_info);
|
free (resume_info);
|
return;
|
return;
|
}
|
}
|
|
|
/* Attach to a new program. Return 1 if successful, 0 if failure. */
|
/* Attach to a new program. Return 1 if successful, 0 if failure. */
|
int
|
int
|
handle_v_attach (char *own_buf, char *status, int *signal)
|
handle_v_attach (char *own_buf, char *status, int *signal)
|
{
|
{
|
int pid;
|
int pid;
|
|
|
pid = strtol (own_buf + 8, NULL, 16);
|
pid = strtol (own_buf + 8, NULL, 16);
|
if (pid != 0 && attach_inferior (pid, status, signal) == 0)
|
if (pid != 0 && attach_inferior (pid, status, signal) == 0)
|
{
|
{
|
prepare_resume_reply (own_buf, *status, *signal);
|
prepare_resume_reply (own_buf, *status, *signal);
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
/* Run a new program. Return 1 if successful, 0 if failure. */
|
/* Run a new program. Return 1 if successful, 0 if failure. */
|
static int
|
static int
|
handle_v_run (char *own_buf, char *status, int *signal)
|
handle_v_run (char *own_buf, char *status, int *signal)
|
{
|
{
|
char *p, **pp, *next_p, **new_argv;
|
char *p, **pp, *next_p, **new_argv;
|
int i, new_argc;
|
int i, new_argc;
|
|
|
new_argc = 0;
|
new_argc = 0;
|
for (p = own_buf + strlen ("vRun;"); p && *p; p = strchr (p, ';'))
|
for (p = own_buf + strlen ("vRun;"); p && *p; p = strchr (p, ';'))
|
{
|
{
|
p++;
|
p++;
|
new_argc++;
|
new_argc++;
|
}
|
}
|
|
|
new_argv = malloc ((new_argc + 2) * sizeof (char *));
|
new_argv = malloc ((new_argc + 2) * sizeof (char *));
|
i = 0;
|
i = 0;
|
for (p = own_buf + strlen ("vRun;"); *p; p = next_p)
|
for (p = own_buf + strlen ("vRun;"); *p; p = next_p)
|
{
|
{
|
next_p = strchr (p, ';');
|
next_p = strchr (p, ';');
|
if (next_p == NULL)
|
if (next_p == NULL)
|
next_p = p + strlen (p);
|
next_p = p + strlen (p);
|
|
|
if (i == 0 && p == next_p)
|
if (i == 0 && p == next_p)
|
new_argv[i] = NULL;
|
new_argv[i] = NULL;
|
else
|
else
|
{
|
{
|
new_argv[i] = malloc (1 + (next_p - p) / 2);
|
new_argv[i] = malloc (1 + (next_p - p) / 2);
|
unhexify (new_argv[i], p, (next_p - p) / 2);
|
unhexify (new_argv[i], p, (next_p - p) / 2);
|
new_argv[i][(next_p - p) / 2] = '\0';
|
new_argv[i][(next_p - p) / 2] = '\0';
|
}
|
}
|
|
|
if (*next_p)
|
if (*next_p)
|
next_p++;
|
next_p++;
|
i++;
|
i++;
|
}
|
}
|
new_argv[i] = NULL;
|
new_argv[i] = NULL;
|
|
|
if (new_argv[0] == NULL)
|
if (new_argv[0] == NULL)
|
{
|
{
|
if (program_argv == NULL)
|
if (program_argv == NULL)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return 0;
|
return 0;
|
}
|
}
|
|
|
new_argv[0] = strdup (program_argv[0]);
|
new_argv[0] = strdup (program_argv[0]);
|
}
|
}
|
|
|
/* Free the old argv. */
|
/* Free the old argv. */
|
if (program_argv)
|
if (program_argv)
|
{
|
{
|
for (pp = program_argv; *pp != NULL; pp++)
|
for (pp = program_argv; *pp != NULL; pp++)
|
free (*pp);
|
free (*pp);
|
free (program_argv);
|
free (program_argv);
|
}
|
}
|
program_argv = new_argv;
|
program_argv = new_argv;
|
|
|
*signal = start_inferior (program_argv, status);
|
*signal = start_inferior (program_argv, status);
|
if (*status == 'T')
|
if (*status == 'T')
|
{
|
{
|
prepare_resume_reply (own_buf, *status, *signal);
|
prepare_resume_reply (own_buf, *status, *signal);
|
return 1;
|
return 1;
|
}
|
}
|
else
|
else
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return 0;
|
return 0;
|
}
|
}
|
}
|
}
|
|
|
/* Handle all of the extended 'v' packets. */
|
/* Handle all of the extended 'v' packets. */
|
void
|
void
|
handle_v_requests (char *own_buf, char *status, int *signal,
|
handle_v_requests (char *own_buf, char *status, int *signal,
|
int packet_len, int *new_packet_len)
|
int packet_len, int *new_packet_len)
|
{
|
{
|
if (strncmp (own_buf, "vCont;", 6) == 0)
|
if (strncmp (own_buf, "vCont;", 6) == 0)
|
{
|
{
|
require_running (own_buf);
|
require_running (own_buf);
|
handle_v_cont (own_buf, status, signal);
|
handle_v_cont (own_buf, status, signal);
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp (own_buf, "vCont?", 6) == 0)
|
if (strncmp (own_buf, "vCont?", 6) == 0)
|
{
|
{
|
strcpy (own_buf, "vCont;c;C;s;S");
|
strcpy (own_buf, "vCont;c;C;s;S");
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp (own_buf, "vFile:", 6) == 0
|
if (strncmp (own_buf, "vFile:", 6) == 0
|
&& handle_vFile (own_buf, packet_len, new_packet_len))
|
&& handle_vFile (own_buf, packet_len, new_packet_len))
|
return;
|
return;
|
|
|
if (strncmp (own_buf, "vAttach;", 8) == 0)
|
if (strncmp (own_buf, "vAttach;", 8) == 0)
|
{
|
{
|
if (target_running ())
|
if (target_running ())
|
{
|
{
|
fprintf (stderr, "Already debugging a process\n");
|
fprintf (stderr, "Already debugging a process\n");
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return;
|
return;
|
}
|
}
|
handle_v_attach (own_buf, status, signal);
|
handle_v_attach (own_buf, status, signal);
|
return;
|
return;
|
}
|
}
|
|
|
if (strncmp (own_buf, "vRun;", 5) == 0)
|
if (strncmp (own_buf, "vRun;", 5) == 0)
|
{
|
{
|
if (target_running ())
|
if (target_running ())
|
{
|
{
|
fprintf (stderr, "Already debugging a process\n");
|
fprintf (stderr, "Already debugging a process\n");
|
write_enn (own_buf);
|
write_enn (own_buf);
|
return;
|
return;
|
}
|
}
|
handle_v_run (own_buf, status, signal);
|
handle_v_run (own_buf, status, signal);
|
return;
|
return;
|
}
|
}
|
|
|
/* Otherwise we didn't know what packet it was. Say we didn't
|
/* Otherwise we didn't know what packet it was. Say we didn't
|
understand it. */
|
understand it. */
|
own_buf[0] = 0;
|
own_buf[0] = 0;
|
return;
|
return;
|
}
|
}
|
|
|
void
|
void
|
myresume (char *own_buf, int step, int *signalp, char *statusp)
|
myresume (char *own_buf, int step, int *signalp, char *statusp)
|
{
|
{
|
struct thread_resume resume_info[2];
|
struct thread_resume resume_info[2];
|
int n = 0;
|
int n = 0;
|
int sig = *signalp;
|
int sig = *signalp;
|
|
|
set_desired_inferior (0);
|
set_desired_inferior (0);
|
|
|
if (step || sig || (cont_thread != 0 && cont_thread != -1))
|
if (step || sig || (cont_thread != 0 && cont_thread != -1))
|
{
|
{
|
resume_info[0].thread
|
resume_info[0].thread
|
= ((struct inferior_list_entry *) current_inferior)->id;
|
= ((struct inferior_list_entry *) current_inferior)->id;
|
resume_info[0].step = step;
|
resume_info[0].step = step;
|
resume_info[0].sig = sig;
|
resume_info[0].sig = sig;
|
resume_info[0].leave_stopped = 0;
|
resume_info[0].leave_stopped = 0;
|
n++;
|
n++;
|
}
|
}
|
resume_info[n].thread = -1;
|
resume_info[n].thread = -1;
|
resume_info[n].step = 0;
|
resume_info[n].step = 0;
|
resume_info[n].sig = 0;
|
resume_info[n].sig = 0;
|
resume_info[n].leave_stopped = (cont_thread != 0 && cont_thread != -1);
|
resume_info[n].leave_stopped = (cont_thread != 0 && cont_thread != -1);
|
|
|
enable_async_io ();
|
enable_async_io ();
|
(*the_target->resume) (resume_info);
|
(*the_target->resume) (resume_info);
|
*signalp = mywait (statusp, 1);
|
*signalp = mywait (statusp, 1);
|
prepare_resume_reply (own_buf, *statusp, *signalp);
|
prepare_resume_reply (own_buf, *statusp, *signalp);
|
disable_async_io ();
|
disable_async_io ();
|
}
|
}
|
|
|
static void
|
static void
|
gdbserver_version (void)
|
gdbserver_version (void)
|
{
|
{
|
printf ("GNU gdbserver %s\n"
|
printf ("GNU gdbserver %s\n"
|
"Copyright (C) 2007 Free Software Foundation, Inc.\n"
|
"Copyright (C) 2007 Free Software Foundation, Inc.\n"
|
"gdbserver is free software, covered by the GNU General Public License.\n"
|
"gdbserver is free software, covered by the GNU General Public License.\n"
|
"This gdbserver was configured as \"%s\"\n",
|
"This gdbserver was configured as \"%s\"\n",
|
version, host_name);
|
version, host_name);
|
}
|
}
|
|
|
static void
|
static void
|
gdbserver_usage (void)
|
gdbserver_usage (void)
|
{
|
{
|
printf ("Usage:\tgdbserver [OPTIONS] COMM PROG [ARGS ...]\n"
|
printf ("Usage:\tgdbserver [OPTIONS] COMM PROG [ARGS ...]\n"
|
"\tgdbserver [OPTIONS] --attach COMM PID\n"
|
"\tgdbserver [OPTIONS] --attach COMM PID\n"
|
"\tgdbserver [OPTIONS] --multi COMM\n"
|
"\tgdbserver [OPTIONS] --multi COMM\n"
|
"\n"
|
"\n"
|
"COMM may either be a tty device (for serial debugging), or \n"
|
"COMM may either be a tty device (for serial debugging), or \n"
|
"HOST:PORT to listen for a TCP connection.\n"
|
"HOST:PORT to listen for a TCP connection.\n"
|
"\n"
|
"\n"
|
"Options:\n"
|
"Options:\n"
|
" --debug\t\tEnable debugging output.\n");
|
" --debug\t\tEnable debugging output.\n");
|
}
|
}
|
|
|
#undef require_running
|
#undef require_running
|
#define require_running(BUF) \
|
#define require_running(BUF) \
|
if (!target_running ()) \
|
if (!target_running ()) \
|
{ \
|
{ \
|
write_enn (BUF); \
|
write_enn (BUF); \
|
break; \
|
break; \
|
}
|
}
|
|
|
int
|
int
|
main (int argc, char *argv[])
|
main (int argc, char *argv[])
|
{
|
{
|
char ch, status, *own_buf;
|
char ch, status, *own_buf;
|
unsigned char *mem_buf;
|
unsigned char *mem_buf;
|
int i = 0;
|
int i = 0;
|
int signal;
|
int signal;
|
unsigned int len;
|
unsigned int len;
|
CORE_ADDR mem_addr;
|
CORE_ADDR mem_addr;
|
int bad_attach;
|
int bad_attach;
|
int pid;
|
int pid;
|
char *arg_end, *port;
|
char *arg_end, *port;
|
char **next_arg = &argv[1];
|
char **next_arg = &argv[1];
|
int multi_mode = 0;
|
int multi_mode = 0;
|
int attach = 0;
|
int attach = 0;
|
int was_running;
|
int was_running;
|
|
|
while (*next_arg != NULL && **next_arg == '-')
|
while (*next_arg != NULL && **next_arg == '-')
|
{
|
{
|
if (strcmp (*next_arg, "--version") == 0)
|
if (strcmp (*next_arg, "--version") == 0)
|
{
|
{
|
gdbserver_version ();
|
gdbserver_version ();
|
exit (0);
|
exit (0);
|
}
|
}
|
else if (strcmp (*next_arg, "--help") == 0)
|
else if (strcmp (*next_arg, "--help") == 0)
|
{
|
{
|
gdbserver_usage ();
|
gdbserver_usage ();
|
exit (0);
|
exit (0);
|
}
|
}
|
else if (strcmp (*next_arg, "--attach") == 0)
|
else if (strcmp (*next_arg, "--attach") == 0)
|
attach = 1;
|
attach = 1;
|
else if (strcmp (*next_arg, "--multi") == 0)
|
else if (strcmp (*next_arg, "--multi") == 0)
|
multi_mode = 1;
|
multi_mode = 1;
|
else if (strcmp (*next_arg, "--debug") == 0)
|
else if (strcmp (*next_arg, "--debug") == 0)
|
debug_threads = 1;
|
debug_threads = 1;
|
else
|
else
|
{
|
{
|
fprintf (stderr, "Unknown argument: %s\n", *next_arg);
|
fprintf (stderr, "Unknown argument: %s\n", *next_arg);
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
next_arg++;
|
next_arg++;
|
continue;
|
continue;
|
}
|
}
|
|
|
if (setjmp (toplevel))
|
if (setjmp (toplevel))
|
{
|
{
|
fprintf (stderr, "Exiting\n");
|
fprintf (stderr, "Exiting\n");
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
port = *next_arg;
|
port = *next_arg;
|
next_arg++;
|
next_arg++;
|
if (port == NULL || (!attach && !multi_mode && *next_arg == NULL))
|
if (port == NULL || (!attach && !multi_mode && *next_arg == NULL))
|
{
|
{
|
gdbserver_usage ();
|
gdbserver_usage ();
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
bad_attach = 0;
|
bad_attach = 0;
|
pid = 0;
|
pid = 0;
|
|
|
/* --attach used to come after PORT, so allow it there for
|
/* --attach used to come after PORT, so allow it there for
|
compatibility. */
|
compatibility. */
|
if (*next_arg != NULL && strcmp (*next_arg, "--attach") == 0)
|
if (*next_arg != NULL && strcmp (*next_arg, "--attach") == 0)
|
{
|
{
|
attach = 1;
|
attach = 1;
|
next_arg++;
|
next_arg++;
|
}
|
}
|
|
|
if (attach
|
if (attach
|
&& (*next_arg == NULL
|
&& (*next_arg == NULL
|
|| (*next_arg)[0] == '\0'
|
|| (*next_arg)[0] == '\0'
|
|| (pid = strtoul (*next_arg, &arg_end, 0)) == 0
|
|| (pid = strtoul (*next_arg, &arg_end, 0)) == 0
|
|| *arg_end != '\0'
|
|| *arg_end != '\0'
|
|| next_arg[1] != NULL))
|
|| next_arg[1] != NULL))
|
bad_attach = 1;
|
bad_attach = 1;
|
|
|
if (bad_attach)
|
if (bad_attach)
|
{
|
{
|
gdbserver_usage ();
|
gdbserver_usage ();
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
initialize_async_io ();
|
initialize_async_io ();
|
initialize_low ();
|
initialize_low ();
|
|
|
own_buf = malloc (PBUFSIZ + 1);
|
own_buf = malloc (PBUFSIZ + 1);
|
mem_buf = malloc (PBUFSIZ);
|
mem_buf = malloc (PBUFSIZ);
|
|
|
if (pid == 0 && *next_arg != NULL)
|
if (pid == 0 && *next_arg != NULL)
|
{
|
{
|
int i, n;
|
int i, n;
|
|
|
n = argc - (next_arg - argv);
|
n = argc - (next_arg - argv);
|
program_argv = malloc (sizeof (char *) * (n + 1));
|
program_argv = malloc (sizeof (char *) * (n + 1));
|
for (i = 0; i < n; i++)
|
for (i = 0; i < n; i++)
|
program_argv[i] = strdup (next_arg[i]);
|
program_argv[i] = strdup (next_arg[i]);
|
program_argv[i] = NULL;
|
program_argv[i] = NULL;
|
|
|
/* Wait till we are at first instruction in program. */
|
/* Wait till we are at first instruction in program. */
|
signal = start_inferior (program_argv, &status);
|
signal = start_inferior (program_argv, &status);
|
|
|
/* We are now (hopefully) stopped at the first instruction of
|
/* We are now (hopefully) stopped at the first instruction of
|
the target process. This assumes that the target process was
|
the target process. This assumes that the target process was
|
successfully created. */
|
successfully created. */
|
}
|
}
|
else if (pid != 0)
|
else if (pid != 0)
|
{
|
{
|
if (attach_inferior (pid, &status, &signal) == -1)
|
if (attach_inferior (pid, &status, &signal) == -1)
|
error ("Attaching not supported on this target");
|
error ("Attaching not supported on this target");
|
|
|
/* Otherwise succeeded. */
|
/* Otherwise succeeded. */
|
}
|
}
|
else
|
else
|
{
|
{
|
status = 'W';
|
status = 'W';
|
signal = 0;
|
signal = 0;
|
}
|
}
|
|
|
/* Don't report shared library events on the initial connection,
|
/* Don't report shared library events on the initial connection,
|
even if some libraries are preloaded. Avoids the "stopped by
|
even if some libraries are preloaded. Avoids the "stopped by
|
shared library event" notice on gdb side. */
|
shared library event" notice on gdb side. */
|
dlls_changed = 0;
|
dlls_changed = 0;
|
|
|
if (setjmp (toplevel))
|
if (setjmp (toplevel))
|
{
|
{
|
fprintf (stderr, "Killing inferior\n");
|
fprintf (stderr, "Killing inferior\n");
|
kill_inferior ();
|
kill_inferior ();
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
if (status == 'W' || status == 'X')
|
if (status == 'W' || status == 'X')
|
was_running = 0;
|
was_running = 0;
|
else
|
else
|
was_running = 1;
|
was_running = 1;
|
|
|
if (!was_running && !multi_mode)
|
if (!was_running && !multi_mode)
|
{
|
{
|
fprintf (stderr, "No program to debug. GDBserver exiting.\n");
|
fprintf (stderr, "No program to debug. GDBserver exiting.\n");
|
exit (1);
|
exit (1);
|
}
|
}
|
|
|
while (1)
|
while (1)
|
{
|
{
|
remote_open (port);
|
remote_open (port);
|
|
|
restart:
|
restart:
|
if (setjmp (toplevel) != 0)
|
if (setjmp (toplevel) != 0)
|
{
|
{
|
/* An error occurred. */
|
/* An error occurred. */
|
if (response_needed)
|
if (response_needed)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
putpkt (own_buf);
|
putpkt (own_buf);
|
}
|
}
|
}
|
}
|
|
|
disable_async_io ();
|
disable_async_io ();
|
while (!exit_requested)
|
while (!exit_requested)
|
{
|
{
|
unsigned char sig;
|
unsigned char sig;
|
int packet_len;
|
int packet_len;
|
int new_packet_len = -1;
|
int new_packet_len = -1;
|
|
|
response_needed = 0;
|
response_needed = 0;
|
packet_len = getpkt (own_buf);
|
packet_len = getpkt (own_buf);
|
if (packet_len <= 0)
|
if (packet_len <= 0)
|
break;
|
break;
|
response_needed = 1;
|
response_needed = 1;
|
|
|
i = 0;
|
i = 0;
|
ch = own_buf[i++];
|
ch = own_buf[i++];
|
switch (ch)
|
switch (ch)
|
{
|
{
|
case 'q':
|
case 'q':
|
handle_query (own_buf, packet_len, &new_packet_len);
|
handle_query (own_buf, packet_len, &new_packet_len);
|
break;
|
break;
|
case 'Q':
|
case 'Q':
|
handle_general_set (own_buf);
|
handle_general_set (own_buf);
|
break;
|
break;
|
case 'D':
|
case 'D':
|
require_running (own_buf);
|
require_running (own_buf);
|
fprintf (stderr, "Detaching from inferior\n");
|
fprintf (stderr, "Detaching from inferior\n");
|
if (detach_inferior () != 0)
|
if (detach_inferior () != 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else
|
else
|
{
|
{
|
write_ok (own_buf);
|
write_ok (own_buf);
|
|
|
if (extended_protocol)
|
if (extended_protocol)
|
{
|
{
|
/* Treat this like a normal program exit. */
|
/* Treat this like a normal program exit. */
|
signal = 0;
|
signal = 0;
|
status = 'W';
|
status = 'W';
|
}
|
}
|
else
|
else
|
{
|
{
|
putpkt (own_buf);
|
putpkt (own_buf);
|
remote_close ();
|
remote_close ();
|
|
|
/* If we are attached, then we can exit. Otherwise, we
|
/* If we are attached, then we can exit. Otherwise, we
|
need to hang around doing nothing, until the child
|
need to hang around doing nothing, until the child
|
is gone. */
|
is gone. */
|
if (!attached)
|
if (!attached)
|
join_inferior ();
|
join_inferior ();
|
|
|
exit (0);
|
exit (0);
|
}
|
}
|
}
|
}
|
break;
|
break;
|
case '!':
|
case '!':
|
extended_protocol = 1;
|
extended_protocol = 1;
|
write_ok (own_buf);
|
write_ok (own_buf);
|
break;
|
break;
|
case '?':
|
case '?':
|
prepare_resume_reply (own_buf, status, signal);
|
prepare_resume_reply (own_buf, status, signal);
|
break;
|
break;
|
case 'H':
|
case 'H':
|
if (own_buf[1] == 'c' || own_buf[1] == 'g' || own_buf[1] == 's')
|
if (own_buf[1] == 'c' || own_buf[1] == 'g' || own_buf[1] == 's')
|
{
|
{
|
unsigned long gdb_id, thread_id;
|
unsigned long gdb_id, thread_id;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
gdb_id = strtoul (&own_buf[2], NULL, 16);
|
gdb_id = strtoul (&own_buf[2], NULL, 16);
|
if (gdb_id == 0 || gdb_id == -1)
|
if (gdb_id == 0 || gdb_id == -1)
|
thread_id = gdb_id;
|
thread_id = gdb_id;
|
else
|
else
|
{
|
{
|
thread_id = gdb_id_to_thread_id (gdb_id);
|
thread_id = gdb_id_to_thread_id (gdb_id);
|
if (thread_id == 0)
|
if (thread_id == 0)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
break;
|
break;
|
}
|
}
|
}
|
}
|
|
|
if (own_buf[1] == 'g')
|
if (own_buf[1] == 'g')
|
{
|
{
|
general_thread = thread_id;
|
general_thread = thread_id;
|
set_desired_inferior (1);
|
set_desired_inferior (1);
|
}
|
}
|
else if (own_buf[1] == 'c')
|
else if (own_buf[1] == 'c')
|
cont_thread = thread_id;
|
cont_thread = thread_id;
|
else if (own_buf[1] == 's')
|
else if (own_buf[1] == 's')
|
step_thread = thread_id;
|
step_thread = thread_id;
|
|
|
write_ok (own_buf);
|
write_ok (own_buf);
|
}
|
}
|
else
|
else
|
{
|
{
|
/* Silently ignore it so that gdb can extend the protocol
|
/* Silently ignore it so that gdb can extend the protocol
|
without compatibility headaches. */
|
without compatibility headaches. */
|
own_buf[0] = '\0';
|
own_buf[0] = '\0';
|
}
|
}
|
break;
|
break;
|
case 'g':
|
case 'g':
|
require_running (own_buf);
|
require_running (own_buf);
|
set_desired_inferior (1);
|
set_desired_inferior (1);
|
registers_to_string (own_buf);
|
registers_to_string (own_buf);
|
break;
|
break;
|
case 'G':
|
case 'G':
|
require_running (own_buf);
|
require_running (own_buf);
|
set_desired_inferior (1);
|
set_desired_inferior (1);
|
registers_from_string (&own_buf[1]);
|
registers_from_string (&own_buf[1]);
|
write_ok (own_buf);
|
write_ok (own_buf);
|
break;
|
break;
|
case 'm':
|
case 'm':
|
require_running (own_buf);
|
require_running (own_buf);
|
decode_m_packet (&own_buf[1], &mem_addr, &len);
|
decode_m_packet (&own_buf[1], &mem_addr, &len);
|
if (read_inferior_memory (mem_addr, mem_buf, len) == 0)
|
if (read_inferior_memory (mem_addr, mem_buf, len) == 0)
|
convert_int_to_ascii (mem_buf, own_buf, len);
|
convert_int_to_ascii (mem_buf, own_buf, len);
|
else
|
else
|
write_enn (own_buf);
|
write_enn (own_buf);
|
break;
|
break;
|
case 'M':
|
case 'M':
|
require_running (own_buf);
|
require_running (own_buf);
|
decode_M_packet (&own_buf[1], &mem_addr, &len, mem_buf);
|
decode_M_packet (&own_buf[1], &mem_addr, &len, mem_buf);
|
if (write_inferior_memory (mem_addr, mem_buf, len) == 0)
|
if (write_inferior_memory (mem_addr, mem_buf, len) == 0)
|
write_ok (own_buf);
|
write_ok (own_buf);
|
else
|
else
|
write_enn (own_buf);
|
write_enn (own_buf);
|
break;
|
break;
|
case 'X':
|
case 'X':
|
require_running (own_buf);
|
require_running (own_buf);
|
if (decode_X_packet (&own_buf[1], packet_len - 1,
|
if (decode_X_packet (&own_buf[1], packet_len - 1,
|
&mem_addr, &len, mem_buf) < 0
|
&mem_addr, &len, mem_buf) < 0
|
|| write_inferior_memory (mem_addr, mem_buf, len) != 0)
|
|| write_inferior_memory (mem_addr, mem_buf, len) != 0)
|
write_enn (own_buf);
|
write_enn (own_buf);
|
else
|
else
|
write_ok (own_buf);
|
write_ok (own_buf);
|
break;
|
break;
|
case 'C':
|
case 'C':
|
require_running (own_buf);
|
require_running (own_buf);
|
convert_ascii_to_int (own_buf + 1, &sig, 1);
|
convert_ascii_to_int (own_buf + 1, &sig, 1);
|
if (target_signal_to_host_p (sig))
|
if (target_signal_to_host_p (sig))
|
signal = target_signal_to_host (sig);
|
signal = target_signal_to_host (sig);
|
else
|
else
|
signal = 0;
|
signal = 0;
|
myresume (own_buf, 0, &signal, &status);
|
myresume (own_buf, 0, &signal, &status);
|
break;
|
break;
|
case 'S':
|
case 'S':
|
require_running (own_buf);
|
require_running (own_buf);
|
convert_ascii_to_int (own_buf + 1, &sig, 1);
|
convert_ascii_to_int (own_buf + 1, &sig, 1);
|
if (target_signal_to_host_p (sig))
|
if (target_signal_to_host_p (sig))
|
signal = target_signal_to_host (sig);
|
signal = target_signal_to_host (sig);
|
else
|
else
|
signal = 0;
|
signal = 0;
|
myresume (own_buf, 1, &signal, &status);
|
myresume (own_buf, 1, &signal, &status);
|
break;
|
break;
|
case 'c':
|
case 'c':
|
require_running (own_buf);
|
require_running (own_buf);
|
signal = 0;
|
signal = 0;
|
myresume (own_buf, 0, &signal, &status);
|
myresume (own_buf, 0, &signal, &status);
|
break;
|
break;
|
case 's':
|
case 's':
|
require_running (own_buf);
|
require_running (own_buf);
|
signal = 0;
|
signal = 0;
|
myresume (own_buf, 1, &signal, &status);
|
myresume (own_buf, 1, &signal, &status);
|
break;
|
break;
|
case 'Z':
|
case 'Z':
|
{
|
{
|
char *lenptr;
|
char *lenptr;
|
char *dataptr;
|
char *dataptr;
|
CORE_ADDR addr = strtoul (&own_buf[3], &lenptr, 16);
|
CORE_ADDR addr = strtoul (&own_buf[3], &lenptr, 16);
|
int len = strtol (lenptr + 1, &dataptr, 16);
|
int len = strtol (lenptr + 1, &dataptr, 16);
|
char type = own_buf[1];
|
char type = own_buf[1];
|
|
|
if (the_target->insert_watchpoint == NULL
|
if (the_target->insert_watchpoint == NULL
|
|| (type < '2' || type > '4'))
|
|| (type < '2' || type > '4'))
|
{
|
{
|
/* No watchpoint support or not a watchpoint command;
|
/* No watchpoint support or not a watchpoint command;
|
unrecognized either way. */
|
unrecognized either way. */
|
own_buf[0] = '\0';
|
own_buf[0] = '\0';
|
}
|
}
|
else
|
else
|
{
|
{
|
int res;
|
int res;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
res = (*the_target->insert_watchpoint) (type, addr, len);
|
res = (*the_target->insert_watchpoint) (type, addr, len);
|
if (res == 0)
|
if (res == 0)
|
write_ok (own_buf);
|
write_ok (own_buf);
|
else if (res == 1)
|
else if (res == 1)
|
/* Unsupported. */
|
/* Unsupported. */
|
own_buf[0] = '\0';
|
own_buf[0] = '\0';
|
else
|
else
|
write_enn (own_buf);
|
write_enn (own_buf);
|
}
|
}
|
break;
|
break;
|
}
|
}
|
case 'z':
|
case 'z':
|
{
|
{
|
char *lenptr;
|
char *lenptr;
|
char *dataptr;
|
char *dataptr;
|
CORE_ADDR addr = strtoul (&own_buf[3], &lenptr, 16);
|
CORE_ADDR addr = strtoul (&own_buf[3], &lenptr, 16);
|
int len = strtol (lenptr + 1, &dataptr, 16);
|
int len = strtol (lenptr + 1, &dataptr, 16);
|
char type = own_buf[1];
|
char type = own_buf[1];
|
|
|
if (the_target->remove_watchpoint == NULL
|
if (the_target->remove_watchpoint == NULL
|
|| (type < '2' || type > '4'))
|
|| (type < '2' || type > '4'))
|
{
|
{
|
/* No watchpoint support or not a watchpoint command;
|
/* No watchpoint support or not a watchpoint command;
|
unrecognized either way. */
|
unrecognized either way. */
|
own_buf[0] = '\0';
|
own_buf[0] = '\0';
|
}
|
}
|
else
|
else
|
{
|
{
|
int res;
|
int res;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
res = (*the_target->remove_watchpoint) (type, addr, len);
|
res = (*the_target->remove_watchpoint) (type, addr, len);
|
if (res == 0)
|
if (res == 0)
|
write_ok (own_buf);
|
write_ok (own_buf);
|
else if (res == 1)
|
else if (res == 1)
|
/* Unsupported. */
|
/* Unsupported. */
|
own_buf[0] = '\0';
|
own_buf[0] = '\0';
|
else
|
else
|
write_enn (own_buf);
|
write_enn (own_buf);
|
}
|
}
|
break;
|
break;
|
}
|
}
|
case 'k':
|
case 'k':
|
response_needed = 0;
|
response_needed = 0;
|
if (!target_running ())
|
if (!target_running ())
|
/* The packet we received doesn't make sense - but we
|
/* The packet we received doesn't make sense - but we
|
can't reply to it, either. */
|
can't reply to it, either. */
|
goto restart;
|
goto restart;
|
|
|
fprintf (stderr, "Killing inferior\n");
|
fprintf (stderr, "Killing inferior\n");
|
kill_inferior ();
|
kill_inferior ();
|
|
|
/* When using the extended protocol, we wait with no
|
/* When using the extended protocol, we wait with no
|
program running. The traditional protocol will exit
|
program running. The traditional protocol will exit
|
instead. */
|
instead. */
|
if (extended_protocol)
|
if (extended_protocol)
|
{
|
{
|
status = 'X';
|
status = 'X';
|
signal = TARGET_SIGNAL_KILL;
|
signal = TARGET_SIGNAL_KILL;
|
was_running = 0;
|
was_running = 0;
|
goto restart;
|
goto restart;
|
}
|
}
|
else
|
else
|
{
|
{
|
exit (0);
|
exit (0);
|
break;
|
break;
|
}
|
}
|
case 'T':
|
case 'T':
|
{
|
{
|
unsigned long gdb_id, thread_id;
|
unsigned long gdb_id, thread_id;
|
|
|
require_running (own_buf);
|
require_running (own_buf);
|
gdb_id = strtoul (&own_buf[1], NULL, 16);
|
gdb_id = strtoul (&own_buf[1], NULL, 16);
|
thread_id = gdb_id_to_thread_id (gdb_id);
|
thread_id = gdb_id_to_thread_id (gdb_id);
|
if (thread_id == 0)
|
if (thread_id == 0)
|
{
|
{
|
write_enn (own_buf);
|
write_enn (own_buf);
|
break;
|
break;
|
}
|
}
|
|
|
if (mythread_alive (thread_id))
|
if (mythread_alive (thread_id))
|
write_ok (own_buf);
|
write_ok (own_buf);
|
else
|
else
|
write_enn (own_buf);
|
write_enn (own_buf);
|
}
|
}
|
break;
|
break;
|
case 'R':
|
case 'R':
|
response_needed = 0;
|
response_needed = 0;
|
|
|
/* Restarting the inferior is only supported in the
|
/* Restarting the inferior is only supported in the
|
extended protocol. */
|
extended protocol. */
|
if (extended_protocol)
|
if (extended_protocol)
|
{
|
{
|
if (target_running ())
|
if (target_running ())
|
kill_inferior ();
|
kill_inferior ();
|
fprintf (stderr, "GDBserver restarting\n");
|
fprintf (stderr, "GDBserver restarting\n");
|
|
|
/* Wait till we are at 1st instruction in prog. */
|
/* Wait till we are at 1st instruction in prog. */
|
if (program_argv != NULL)
|
if (program_argv != NULL)
|
signal = start_inferior (program_argv, &status);
|
signal = start_inferior (program_argv, &status);
|
else
|
else
|
{
|
{
|
status = 'X';
|
status = 'X';
|
signal = TARGET_SIGNAL_KILL;
|
signal = TARGET_SIGNAL_KILL;
|
}
|
}
|
goto restart;
|
goto restart;
|
}
|
}
|
else
|
else
|
{
|
{
|
/* It is a request we don't understand. Respond with an
|
/* It is a request we don't understand. Respond with an
|
empty packet so that gdb knows that we don't support this
|
empty packet so that gdb knows that we don't support this
|
request. */
|
request. */
|
own_buf[0] = '\0';
|
own_buf[0] = '\0';
|
break;
|
break;
|
}
|
}
|
case 'v':
|
case 'v':
|
/* Extended (long) request. */
|
/* Extended (long) request. */
|
handle_v_requests (own_buf, &status, &signal,
|
handle_v_requests (own_buf, &status, &signal,
|
packet_len, &new_packet_len);
|
packet_len, &new_packet_len);
|
break;
|
break;
|
|
|
default:
|
default:
|
/* It is a request we don't understand. Respond with an
|
/* It is a request we don't understand. Respond with an
|
empty packet so that gdb knows that we don't support this
|
empty packet so that gdb knows that we don't support this
|
request. */
|
request. */
|
own_buf[0] = '\0';
|
own_buf[0] = '\0';
|
break;
|
break;
|
}
|
}
|
|
|
if (new_packet_len != -1)
|
if (new_packet_len != -1)
|
putpkt_binary (own_buf, new_packet_len);
|
putpkt_binary (own_buf, new_packet_len);
|
else
|
else
|
putpkt (own_buf);
|
putpkt (own_buf);
|
|
|
response_needed = 0;
|
response_needed = 0;
|
|
|
if (was_running && (status == 'W' || status == 'X'))
|
if (was_running && (status == 'W' || status == 'X'))
|
{
|
{
|
was_running = 0;
|
was_running = 0;
|
|
|
if (status == 'W')
|
if (status == 'W')
|
fprintf (stderr,
|
fprintf (stderr,
|
"\nChild exited with status %d\n", signal);
|
"\nChild exited with status %d\n", signal);
|
if (status == 'X')
|
if (status == 'X')
|
fprintf (stderr, "\nChild terminated with signal = 0x%x (%s)\n",
|
fprintf (stderr, "\nChild terminated with signal = 0x%x (%s)\n",
|
target_signal_to_host (signal),
|
target_signal_to_host (signal),
|
target_signal_to_name (signal));
|
target_signal_to_name (signal));
|
|
|
if (extended_protocol)
|
if (extended_protocol)
|
goto restart;
|
goto restart;
|
else
|
else
|
{
|
{
|
fprintf (stderr, "GDBserver exiting\n");
|
fprintf (stderr, "GDBserver exiting\n");
|
exit (0);
|
exit (0);
|
}
|
}
|
}
|
}
|
|
|
if (status != 'W' && status != 'X')
|
if (status != 'W' && status != 'X')
|
was_running = 1;
|
was_running = 1;
|
}
|
}
|
|
|
/* If an exit was requested (using the "monitor exit" command),
|
/* If an exit was requested (using the "monitor exit" command),
|
terminate now. The only other way to get here is for
|
terminate now. The only other way to get here is for
|
getpkt to fail; close the connection and reopen it at the
|
getpkt to fail; close the connection and reopen it at the
|
top of the loop. */
|
top of the loop. */
|
|
|
if (exit_requested)
|
if (exit_requested)
|
{
|
{
|
remote_close ();
|
remote_close ();
|
if (attached && target_running ())
|
if (attached && target_running ())
|
detach_inferior ();
|
detach_inferior ();
|
else if (target_running ())
|
else if (target_running ())
|
kill_inferior ();
|
kill_inferior ();
|
exit (0);
|
exit (0);
|
}
|
}
|
else
|
else
|
{
|
{
|
fprintf (stderr, "Remote side has terminated connection. "
|
fprintf (stderr, "Remote side has terminated connection. "
|
"GDBserver will reopen the connection.\n");
|
"GDBserver will reopen the connection.\n");
|
remote_close ();
|
remote_close ();
|
}
|
}
|
}
|
}
|
}
|
}
|
|
|
