/* Tracing functionality for remote targets in custom GDB protocol
- Copyright 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free
- Software Foundation, Inc.
+ Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
+ 2007 Free Software Foundation, Inc.
This file is part of GDB.
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
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
#include "symtab.h"
extern void (*deprecated_readline_begin_hook) (char *, ...);
extern char *(*deprecated_readline_hook) (char *);
extern void (*deprecated_readline_end_hook) (void);
-extern void x_command (char *, int);
extern int addressprint; /* Print machine addresses? */
/* GDB commands implemented in other modules:
struct collection_list;
static void add_aexpr (struct collection_list *, struct agent_expr *);
-static unsigned char *mem2hex (unsigned char *, unsigned char *, int);
+static char *mem2hex (gdb_byte *, char *, int);
static void add_register (struct collection_list *collection,
unsigned int regno);
static struct cleanup *make_cleanup_free_actions (struct tracepoint *t);
target_is_remote (void)
{
if (current_target.to_shortname &&
- strcmp (current_target.to_shortname, "remote") == 0)
+ (strcmp (current_target.to_shortname, "remote") == 0
+ || strcmp (current_target.to_shortname, "extended-remote") == 0))
return 1;
else
return 0;
/* Utility: wait for reply from stub, while accepting "O" packets. */
static char *
-remote_get_noisy_reply (char *buf,
- long sizeof_buf)
+remote_get_noisy_reply (char **buf_p,
+ long *sizeof_buf)
{
do /* Loop on reply from remote stub. */
{
+ char *buf;
QUIT; /* allow user to bail out with ^C */
- getpkt (buf, sizeof_buf, 0);
+ getpkt (buf_p, sizeof_buf, 0);
+ buf = *buf_p;
if (buf[0] == 0)
error (_("Target does not support this command."));
else if (buf[0] == 'E')
printf_filtered ("Num Enb ");
if (addressprint)
{
- if (TARGET_ADDR_BIT <= 32)
+ if (gdbarch_addr_bit (current_gdbarch) <= 32)
printf_filtered ("Address ");
else
printf_filtered ("Address ");
strcpy (wrap_indent, " ");
if (addressprint)
{
- if (TARGET_ADDR_BIT <= 32)
+ if (gdbarch_addr_bit (current_gdbarch) <= 32)
strcat (wrap_indent, " ");
else
strcat (wrap_indent, " ");
{
char *tmp;
- if (TARGET_ADDR_BIT <= 32)
+ if (gdbarch_addr_bit (current_gdbarch) <= 32)
tmp = hex_string_custom (t->address & (CORE_ADDR) 0xffffffff,
8);
else
else
line = gdb_readline (0);
+ if (!line)
+ line = "end";
+
linetype = validate_actionline (&line, t);
if (linetype == BADLINE)
continue; /* already warned -- collect another line */
return make_cleanup (do_free_actions_cleanup, t);
}
+enum {
+ memrange_absolute = -1
+};
+
struct memrange
{
- int type; /* 0 for absolute memory range, else basereg number */
+ int type; /* memrange_absolute for absolute memory range,
+ else basereg number */
bfd_signed_vma start;
bfd_signed_vma end;
};
struct collection_list
{
- unsigned char regs_mask[8]; /* room for up to 256 regs */
+ unsigned char regs_mask[32]; /* room for up to 256 regs */
long listsize;
long next_memrange;
struct memrange *list;
return -1;
if (a->type > b->type)
return 1;
- if (a->type == 0)
+ if (a->type == memrange_absolute)
{
if ((bfd_vma) a->start < (bfd_vma) b->start)
return -1;
{
if (info_verbose)
printf_filtered ("collect register %d\n", regno);
- if (regno > (8 * sizeof (collection->regs_mask)))
+ if (regno >= (8 * sizeof (collection->regs_mask)))
error (_("Internal: register number %d too large for tracepoint"),
regno);
collection->regs_mask[regno / 8] |= 1 << (regno % 8);
printf_filtered (",%ld)\n", len);
}
- /* type: 0 == memory, n == basereg */
+ /* type: memrange_absolute == memory, other n == basereg */
memranges->list[memranges->next_memrange].type = type;
/* base: addr if memory, offset if reg relative. */
memranges->list[memranges->next_memrange].start = base;
memranges->listsize);
}
- if (type != -1) /* Better collect the base register! */
+ if (type != memrange_absolute) /* Better collect the base register! */
add_register (memranges, type);
}
DEPRECATED_SYMBOL_NAME (sym), len,
tmp /* address */);
}
- add_memrange (collect, -1, offset, len); /* 0 == memory */
+ add_memrange (collect, memrange_absolute, offset, len);
break;
case LOC_REGISTER:
case LOC_REGPARM:
end = temp_buf;
}
- sprintf (end, "M%X,%s,%lX",
- list->list[i].type,
- tmp2,
- (long) (list->list[i].end - list->list[i].start));
+ {
+ bfd_signed_vma length = list->list[i].end - list->list[i].start;
+
+ /* The "%X" conversion specifier expects an unsigned argument,
+ so passing -1 (memrange_absolute) to it directly gives you
+ "FFFFFFFF" (or more, depending on sizeof (unsigned)).
+ Special-case it. */
+ if (list->list[i].type == memrange_absolute)
+ sprintf (end, "M-1,%s,%lX", tmp2, (long) length);
+ else
+ sprintf (end, "M%X,%s,%lX", list->list[i].type, tmp2, (long) length);
+ }
count += strlen (end);
- end += count;
+ end = temp_buf + count;
}
for (i = 0; i < list->next_aexpr_elt; i++)
(*str_list)[ndx] = NULL;
if (ndx == 0)
- return NULL;
+ {
+ free (str_list);
+ return NULL;
+ }
else
return *str_list;
}
*tdp_actions = NULL;
*stepping_actions = NULL;
- TARGET_VIRTUAL_FRAME_POINTER (t->address, &frame_reg, &frame_offset);
+ gdbarch_virtual_frame_pointer (current_gdbarch,
+ t->address, &frame_reg, &frame_offset);
for (action = t->actions; action; action = action->next)
{
if (0 == strncasecmp ("$reg", action_exp, 4))
{
- for (i = 0; i < NUM_REGS; i++)
+ for (i = 0; i < gdbarch_num_regs (current_gdbarch); i++)
add_register (collect, i);
action_exp = strchr (action_exp, ','); /* more? */
}
switch (exp->elts[0].opcode)
{
case OP_REGISTER:
- i = exp->elts[1].longconst;
- if (info_verbose)
- printf_filtered ("OP_REGISTER: ");
- add_register (collect, i);
- break;
+ {
+ const char *name = &exp->elts[2].string;
+
+ i = frame_map_name_to_regnum (deprecated_safe_get_selected_frame (),
+ name, strlen (name));
+ if (i == -1)
+ internal_error (__FILE__, __LINE__,
+ _("Register $%s not available"),
+ name);
+ if (info_verbose)
+ printf_filtered ("OP_REGISTER: ");
+ add_register (collect, i);
+ break;
+ }
case UNOP_MEMVAL:
/* safe because we know it's a simple expression */
tempval = evaluate_expression (exp);
addr = VALUE_ADDRESS (tempval) + value_offset (tempval);
len = TYPE_LENGTH (check_typedef (exp->elts[1].type));
- add_memrange (collect, -1, addr, len);
+ add_memrange (collect, memrange_absolute, addr, len);
break;
case OP_VAR_VALUE:
collect->next_aexpr_elt++;
}
-static char target_buf[2048];
+static char *target_buf;
+static long target_buf_size;
/* Set "transparent" memory ranges
if (anysecs)
{
putpkt (target_buf);
- getpkt (target_buf, sizeof (target_buf), 0);
+ getpkt (&target_buf, &target_buf_size, 0);
}
}
if (target_is_remote ())
{
putpkt ("QTinit");
- remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
if (strcmp (target_buf, "OK"))
error (_("Target does not support this command."));
if (t->actions)
strcat (buf, "-");
putpkt (buf);
- remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
if (strcmp (target_buf, "OK"))
error (_("Target does not support tracepoints."));
((tdp_actions[ndx + 1] || stepping_actions)
? '-' : 0));
putpkt (buf);
- remote_get_noisy_reply (target_buf,
- sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf,
+ &target_buf_size);
if (strcmp (target_buf, "OK"))
error (_("Error on target while setting tracepoints."));
}
stepping_actions[ndx],
(stepping_actions[ndx + 1] ? "-" : ""));
putpkt (buf);
- remote_get_noisy_reply (target_buf,
- sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf,
+ &target_buf_size);
if (strcmp (target_buf, "OK"))
error (_("Error on target while setting tracepoints."));
}
remote_set_transparent_ranges ();
/* Now insert traps and begin collecting data. */
putpkt ("QTStart");
- remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
if (strcmp (target_buf, "OK"))
error (_("Bogus reply from target: %s"), target_buf);
set_traceframe_num (-1); /* All old traceframes invalidated. */
if (target_is_remote ())
{
putpkt ("QTStop");
- remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
if (strcmp (target_buf, "OK"))
error (_("Bogus reply from target: %s"), target_buf);
trace_running_p = 0;
if (target_is_remote ())
{
putpkt ("qTStatus");
- remote_get_noisy_reply (target_buf, sizeof (target_buf));
+ remote_get_noisy_reply (&target_buf, &target_buf_size);
if (target_buf[0] != 'T' ||
(target_buf[1] != '0' && target_buf[1] != '1'))
/* Worker function for the various flavors of the tfind command. */
static void
-finish_tfind_command (char *msg,
- long sizeof_msg,
+finish_tfind_command (char **msg,
+ long *sizeof_msg,
int from_tty)
{
int target_frameno = -1, target_tracept = -1;
old_frame_addr = get_frame_base (get_current_frame ());
old_func = find_pc_function (read_pc ());
- putpkt (msg);
+ putpkt (*msg);
reply = remote_get_noisy_reply (msg, sizeof_msg);
while (reply && *reply)
error (_("Bogus reply from target: %s"), reply);
}
- flush_cached_frames ();
+ reinit_frame_cache ();
registers_changed ();
- select_frame (get_current_frame ());
set_traceframe_num (target_frameno);
set_tracepoint_num (target_tracept);
if (target_frameno == -1)
error (_("invalid input (%d is less than zero)"), frameno);
sprintf (target_buf, "QTFrame:%x", frameno);
- finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
+ finish_tfind_command (&target_buf, &target_buf_size, from_tty);
}
else
error (_("Trace can only be run on remote targets."));
sprintf_vma (tmp, pc);
sprintf (target_buf, "QTFrame:pc:%s", tmp);
- finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
+ finish_tfind_command (&target_buf, &target_buf_size, from_tty);
}
else
error (_("Trace can only be run on remote targets."));
tdp = parse_and_eval_long (args);
sprintf (target_buf, "QTFrame:tdp:%x", tdp);
- finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
+ finish_tfind_command (&target_buf, &target_buf_size, from_tty);
}
else
error (_("Trace can only be run on remote targets."));
else
sprintf (target_buf, "QTFrame:outside:%s:%s",
startpc_str, endpc_str);
- finish_tfind_command (target_buf, sizeof (target_buf),
+ finish_tfind_command (&target_buf, &target_buf_size,
from_tty);
do_cleanups (old_chain);
}
sprintf_vma (start_str, start);
sprintf_vma (stop_str, stop);
sprintf (target_buf, "QTFrame:range:%s:%s", start_str, stop_str);
- finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
+ finish_tfind_command (&target_buf, &target_buf_size, from_tty);
}
else
error (_("Trace can only be run on remote targets."));
sprintf_vma (start_str, start);
sprintf_vma (stop_str, stop);
sprintf (target_buf, "QTFrame:outside:%s:%s", start_str, stop_str);
- finish_tfind_command (target_buf, sizeof (target_buf), from_tty);
+ finish_tfind_command (&target_buf, &target_buf_size, from_tty);
}
else
error (_("Trace can only be run on remote targets."));
char tmp[40];
if (args == 0 || *args == 0)
- error (_("Argument required (file name in which to save tracepoints"));
+ error (_("Argument required (file name in which to save tracepoints)"));
if (tracepoint_chain == 0)
{
break;
case LOC_REGISTER:
printf_filtered ("a local variable in register $%s",
- REGISTER_NAME (SYMBOL_VALUE (sym)));
+ gdbarch_register_name
+ (current_gdbarch, SYMBOL_VALUE (sym)));
break;
case LOC_ARG:
case LOC_LOCAL_ARG:
break;
case LOC_REGPARM:
printf_filtered ("an argument in register $%s",
- REGISTER_NAME (SYMBOL_VALUE (sym)));
+ gdbarch_register_name
+ (current_gdbarch, SYMBOL_VALUE (sym)));
break;
case LOC_REGPARM_ADDR:
printf_filtered ("the address of an argument, in register $%s",
- REGISTER_NAME (SYMBOL_VALUE (sym)));
+ gdbarch_register_name
+ (current_gdbarch, SYMBOL_VALUE (sym)));
break;
case LOC_TYPEDEF:
printf_filtered ("a typedef.\n");
case LOC_BASEREG:
printf_filtered ("a variable at offset %ld from register $%s",
SYMBOL_VALUE (sym),
- REGISTER_NAME (SYMBOL_BASEREG (sym)));
+ gdbarch_register_name
+ (current_gdbarch, SYMBOL_BASEREG (sym)));
break;
case LOC_BASEREG_ARG:
printf_filtered ("an argument at offset %ld from register $%s",
SYMBOL_VALUE (sym),
- REGISTER_NAME (SYMBOL_BASEREG (sym)));
+ gdbarch_register_name
+ (current_gdbarch, SYMBOL_BASEREG (sym)));
break;
case LOC_UNRESOLVED:
msym = lookup_minimal_symbol (DEPRECATED_SYMBOL_NAME (sym),
to the tracepoint PC. If not, then the current frame was
collected during single-stepping. */
- stepping_frame = (t->address != (read_pc () - DECR_PC_AFTER_BREAK));
+ stepping_frame = (t->address != (read_pc () - gdbarch_decr_pc_after_break
+ (current_gdbarch)));
for (action = t->actions; action; action = action->next)
{
static const char hexchars[] = "0123456789abcdef";
-static unsigned char *
-mem2hex (unsigned char *mem, unsigned char *buf, int count)
+static char *
+mem2hex (gdb_byte *mem, char *buf, int count)
{
- unsigned char ch;
+ gdb_byte ch;
while (count-- > 0)
{
traceframe_number = -1;
tracepoint_number = -1;
- set_internalvar (lookup_internalvar ("tpnum"),
- value_from_longest (builtin_type_int, (LONGEST) 0));
- set_internalvar (lookup_internalvar ("trace_frame"),
- value_from_longest (builtin_type_int, (LONGEST) - 1));
-
if (tracepoint_list.list == NULL)
{
tracepoint_list.listsize = 128;
}
add_info ("scope", scope_info,
- "List the variables local to a scope");
+ _("List the variables local to a scope"));
add_cmd ("tracepoints", class_trace, NULL,
_("Tracing of program execution without stopping the program."),
&cmdlist);
- add_info ("tracepoints", tracepoints_info,
- "Status of tracepoints, or tracepoint number NUMBER.\n\
+ add_info ("tracepoints", tracepoints_info, _("\
+Status of tracepoints, or tracepoint number NUMBER.\n\
Convenience variable \"$tpnum\" contains the number of the\n\
-last tracepoint set.");
+last tracepoint set."));
add_info_alias ("tp", "tracepoints", 1);
- c = add_com ("save-tracepoints", class_trace, tracepoint_save_command,
- "Save current tracepoint definitions as a script.\n\
-Use the 'source' command in another debug session to restore them.");
+ c = add_com ("save-tracepoints", class_trace, tracepoint_save_command, _("\
+Save current tracepoint definitions as a script.\n\
+Use the 'source' command in another debug session to restore them."));
set_cmd_completer (c, filename_completer);
add_com ("tdump", class_trace, trace_dump_command,
- "Print everything collected at the current tracepoint.");
+ _("Print everything collected at the current tracepoint."));
- add_prefix_cmd ("tfind", class_trace, trace_find_command,
- "Select a trace frame;\n\
-No argument means forward by one frame; '-' means backward by one frame.",
+ add_prefix_cmd ("tfind", class_trace, trace_find_command, _("\
+Select a trace frame;\n\
+No argument means forward by one frame; '-' means backward by one frame."),
&tfindlist, "tfind ", 1, &cmdlist);
add_cmd ("outside", class_trace, trace_find_outside_command, _("\
&tfindlist);
add_com ("tstatus", class_trace, trace_status_command,
- "Display the status of the current trace data collection.");
+ _("Display the status of the current trace data collection."));
add_com ("tstop", class_trace, trace_stop_command,
- "Stop trace data collection.");
+ _("Stop trace data collection."));
add_com ("tstart", class_trace, trace_start_command,
- "Start trace data collection.");
+ _("Start trace data collection."));
- add_com ("passcount", class_trace, trace_pass_command,
- "Set the passcount for a tracepoint.\n\
+ add_com ("passcount", class_trace, trace_pass_command, _("\
+Set the passcount for a tracepoint.\n\
The trace will end when the tracepoint has been passed 'count' times.\n\
Usage: passcount COUNT TPNUM, where TPNUM may also be \"all\";\n\
-if TPNUM is omitted, passcount refers to the last tracepoint defined.");
+if TPNUM is omitted, passcount refers to the last tracepoint defined."));
- add_com ("end", class_trace, end_actions_pseudocommand,
- "Ends a list of commands or actions.\n\
+ add_com ("end", class_trace, end_actions_pseudocommand, _("\
+Ends a list of commands or actions.\n\
Several GDB commands allow you to enter a list of commands or actions.\n\
Entering \"end\" on a line by itself is the normal way to terminate\n\
such a list.\n\n\
-Note: the \"end\" command cannot be used at the gdb prompt.");
+Note: the \"end\" command cannot be used at the gdb prompt."));
- add_com ("while-stepping", class_trace, while_stepping_pseudocommand,
- "Specify single-stepping behavior at a tracepoint.\n\
+ add_com ("while-stepping", class_trace, while_stepping_pseudocommand, _("\
+Specify single-stepping behavior at a tracepoint.\n\
Argument is number of instructions to trace in single-step mode\n\
following the tracepoint. This command is normally followed by\n\
one or more \"collect\" commands, to specify what to collect\n\
while single-stepping.\n\n\
-Note: this command can only be used in a tracepoint \"actions\" list.");
+Note: this command can only be used in a tracepoint \"actions\" list."));
add_com_alias ("ws", "while-stepping", class_alias, 0);
add_com_alias ("stepping", "while-stepping", class_alias, 0);
- add_com ("collect", class_trace, collect_pseudocommand,
- "Specify one or more data items to be collected at a tracepoint.\n\
+ add_com ("collect", class_trace, collect_pseudocommand, _("\
+Specify one or more data items to be collected at a tracepoint.\n\
Accepts a comma-separated list of (one or more) expressions. GDB will\n\
collect all data (variables, registers) referenced by that expression.\n\
Also accepts the following special arguments:\n\
$regs -- all registers.\n\
$args -- all function arguments.\n\
$locals -- all variables local to the block/function scope.\n\
-Note: this command can only be used in a tracepoint \"actions\" list.");
+Note: this command can only be used in a tracepoint \"actions\" list."));
- add_com ("actions", class_trace, trace_actions_command,
- "Specify the actions to be taken at a tracepoint.\n\
+ add_com ("actions", class_trace, trace_actions_command, _("\
+Specify the actions to be taken at a tracepoint.\n\
Tracepoint actions may include collecting of specified data, \n\
single-stepping, or enabling/disabling other tracepoints, \n\
-depending on target's capabilities.");
+depending on target's capabilities."));
add_cmd ("tracepoints", class_trace, delete_trace_command, _("\
Delete specified tracepoints.\n\
No argument means enable all tracepoints."),
&enablelist);
- c = add_com ("trace", class_trace, trace_command,
- "Set a tracepoint at a specified line or function or address.\n\
+ c = add_com ("trace", class_trace, trace_command, _("\
+Set a tracepoint at a specified line or function or address.\n\
Argument may be a line number, function name, or '*' plus an address.\n\
For a line number or function, trace at the start of its code.\n\
If an address is specified, trace at that exact address.\n\n\
-Do \"help tracepoints\" for info on other tracepoint commands.");
+Do \"help tracepoints\" for info on other tracepoint commands."));
set_cmd_completer (c, location_completer);
add_com_alias ("tp", "trace", class_alias, 0);
add_com_alias ("tr", "trace", class_alias, 1);
add_com_alias ("tra", "trace", class_alias, 1);
add_com_alias ("trac", "trace", class_alias, 1);
+
+ target_buf_size = 2048;
+ target_buf = xmalloc (target_buf_size);
}
projects / thirdparty / binutils-gdb.git / blobdiff