/* Tracing functionality for remote targets in custom GDB protocol
- Copyright (C) 1997-2017 Free Software Foundation, Inc.
+ Copyright (C) 1997-2018 Free Software Foundation, Inc.
This file is part of GDB.
#include "completer.h"
#include "block.h"
#include "dictionary.h"
-#include "observer.h"
+#include "observable.h"
#include "user-regs.h"
#include "valprint.h"
#include "gdbcore.h"
any of these for any reason - API is by name or number only - so it
works to have a vector of objects. */
-typedef struct trace_state_variable tsv_s;
-DEF_VEC_O(tsv_s);
-
-static VEC(tsv_s) *tvariables;
+static std::vector<trace_state_variable> tvariables;
/* The next integer to assign to a variable. */
yet attempted to fetch it, or if the target does not support
fetching this object, or if we're not inspecting a traceframe
presently. */
-static struct traceframe_info *current_traceframe_info;
+static traceframe_info_up current_traceframe_info;
/* Tracing command lists. */
static struct cmd_list_element *tfindlist;
struct collection_list;
static char *mem2hex (gdb_byte *, char *, int);
-static struct command_line *
- all_tracepoint_actions_and_cleanup (struct breakpoint *t);
+static counted_command_line all_tracepoint_actions (struct breakpoint *);
static struct trace_status trace_status;
return &trace_status;
}
-/* Destroy INFO. */
-
-static void
-free_traceframe_info (struct traceframe_info *info)
-{
- if (info != NULL)
- {
- VEC_free (mem_range_s, info->memory);
- VEC_free (int, info->tvars);
-
- xfree (info);
- }
-}
-
/* Free and clear the traceframe info cache of the current
traceframe. */
static void
clear_traceframe_info (void)
{
- free_traceframe_info (current_traceframe_info);
current_traceframe_info = NULL;
}
struct trace_state_variable *
create_trace_state_variable (const char *name)
{
- struct trace_state_variable tsv;
-
- memset (&tsv, 0, sizeof (tsv));
- tsv.name = xstrdup (name);
- tsv.number = next_tsv_number++;
- return VEC_safe_push (tsv_s, tvariables, &tsv);
+ tvariables.emplace_back (name, next_tsv_number++);
+ return &tvariables.back ();
}
/* Look for a trace state variable of the given name. */
struct trace_state_variable *
find_trace_state_variable (const char *name)
{
- struct trace_state_variable *tsv;
- int ix;
-
- for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
- if (strcmp (name, tsv->name) == 0)
- return tsv;
+ for (trace_state_variable &tsv : tvariables)
+ if (tsv.name == name)
+ return &tsv;
return NULL;
}
struct trace_state_variable *
find_trace_state_variable_by_number (int number)
{
- struct trace_state_variable *tsv;
- int ix;
-
- for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
- if (tsv->number == number)
- return tsv;
+ for (trace_state_variable &tsv : tvariables)
+ if (tsv.number == number)
+ return &tsv;
return NULL;
}
static void
delete_trace_state_variable (const char *name)
{
- struct trace_state_variable *tsv;
- int ix;
-
- for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
- if (strcmp (name, tsv->name) == 0)
+ for (auto it = tvariables.begin (); it != tvariables.end (); it++)
+ if (it->name == name)
{
- observer_notify_tsv_deleted (tsv);
-
- xfree ((void *)tsv->name);
- VEC_unordered_remove (tsv_s, tvariables, ix);
-
+ gdb::observers::tsv_deleted.notify (&*it);
+ tvariables.erase (it);
return;
}
evaluate into an initial value. */
static void
-trace_variable_command (char *args, int from_tty)
+trace_variable_command (const char *args, int from_tty)
{
LONGEST initval = 0;
struct trace_state_variable *tsv;
- char *name_start, *p;
+ const char *name_start, *p;
if (!args || !*args)
error_no_arg (_("Syntax is $NAME [ = EXPR ]"));
if (tsv->initial_value != initval)
{
tsv->initial_value = initval;
- observer_notify_tsv_modified (tsv);
+ gdb::observers::tsv_modified.notify (tsv);
}
printf_filtered (_("Trace state variable $%s "
"now has initial value %s.\n"),
- tsv->name, plongest (tsv->initial_value));
+ tsv->name.c_str (), plongest (tsv->initial_value));
return;
}
tsv = create_trace_state_variable (name.c_str ());
tsv->initial_value = initval;
- observer_notify_tsv_created (tsv);
+ gdb::observers::tsv_created.notify (tsv);
printf_filtered (_("Trace state variable $%s "
"created, with initial value %s.\n"),
- tsv->name, plongest (tsv->initial_value));
+ tsv->name.c_str (), plongest (tsv->initial_value));
}
static void
if (args == NULL)
{
if (query (_("Delete all trace state variables? ")))
- VEC_free (tsv_s, tvariables);
+ tvariables.clear ();
dont_repeat ();
- observer_notify_tsv_deleted (NULL);
+ gdb::observers::tsv_deleted.notify (NULL);
return;
}
void
tvariables_info_1 (void)
{
- struct trace_state_variable *tsv;
- int ix;
- int count = 0;
struct ui_out *uiout = current_uiout;
- if (VEC_length (tsv_s, tvariables) == 0 && !uiout->is_mi_like_p ())
- {
- printf_filtered (_("No trace state variables.\n"));
- return;
- }
-
/* Try to acquire values from the target. */
- for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix, ++count)
- tsv->value_known = target_get_trace_state_variable_value (tsv->number,
- &(tsv->value));
+ for (trace_state_variable &tsv : tvariables)
+ tsv.value_known
+ = target_get_trace_state_variable_value (tsv.number, &tsv.value);
- ui_out_emit_table table_emitter (uiout, 3, count, "trace-variables");
- uiout->table_header (15, ui_left, "name", "Name");
- uiout->table_header (11, ui_left, "initial", "Initial");
- uiout->table_header (11, ui_left, "current", "Current");
+ {
+ ui_out_emit_table table_emitter (uiout, 3, tvariables.size (),
+ "trace-variables");
+ uiout->table_header (15, ui_left, "name", "Name");
+ uiout->table_header (11, ui_left, "initial", "Initial");
+ uiout->table_header (11, ui_left, "current", "Current");
- uiout->table_body ();
+ uiout->table_body ();
- for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
- {
- const char *c;
-
- ui_out_emit_tuple tuple_emitter (uiout, "variable");
-
- std::string name = std::string ("$") + tsv->name;
- uiout->field_string ("name", name.c_str ());
- uiout->field_string ("initial", plongest (tsv->initial_value));
-
- if (tsv->value_known)
- c = plongest (tsv->value);
- else if (uiout->is_mi_like_p ())
- /* For MI, we prefer not to use magic string constants, but rather
- omit the field completely. The difference between unknown and
- undefined does not seem important enough to represent. */
- c = NULL;
- else if (current_trace_status ()->running || traceframe_number >= 0)
- /* The value is/was defined, but we don't have it. */
- c = "<unknown>";
- else
- /* It is not meaningful to ask about the value. */
- c = "<undefined>";
- if (c)
- uiout->field_string ("current", c);
- uiout->text ("\n");
- }
+ for (const trace_state_variable &tsv : tvariables)
+ {
+ const char *c;
+
+ ui_out_emit_tuple tuple_emitter (uiout, "variable");
+
+ uiout->field_string ("name", std::string ("$") + tsv.name);
+ uiout->field_string ("initial", plongest (tsv.initial_value));
+
+ if (tsv.value_known)
+ c = plongest (tsv.value);
+ else if (uiout->is_mi_like_p ())
+ /* For MI, we prefer not to use magic string constants, but rather
+ omit the field completely. The difference between unknown and
+ undefined does not seem important enough to represent. */
+ c = NULL;
+ else if (current_trace_status ()->running || traceframe_number >= 0)
+ /* The value is/was defined, but we don't have it. */
+ c = "<unknown>";
+ else
+ /* It is not meaningful to ask about the value. */
+ c = "<undefined>";
+ if (c)
+ uiout->field_string ("current", c);
+ uiout->text ("\n");
+ }
+ }
+
+ if (tvariables.empty ())
+ uiout->text (_("No trace state variables.\n"));
}
/* List all the trace state variables. */
static void
-info_tvariables_command (char *args, int from_tty)
+info_tvariables_command (const char *args, int from_tty)
{
tvariables_info_1 ();
}
void
save_trace_state_variables (struct ui_file *fp)
{
- struct trace_state_variable *tsv;
- int ix;
-
- for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
+ for (const trace_state_variable &tsv : tvariables)
{
- fprintf_unfiltered (fp, "tvariable $%s", tsv->name);
- if (tsv->initial_value)
- fprintf_unfiltered (fp, " = %s", plongest (tsv->initial_value));
+ fprintf_unfiltered (fp, "tvariable $%s", tsv.name.c_str ());
+ if (tsv.initial_value)
+ fprintf_unfiltered (fp, " = %s", plongest (tsv.initial_value));
fprintf_unfiltered (fp, "\n");
}
}
which is always an error. */
static void
-end_actions_pseudocommand (char *args, int from_tty)
+end_actions_pseudocommand (const char *args, int from_tty)
{
error (_("This command cannot be used at the top level."));
}
static void
-while_stepping_pseudocommand (char *args, int from_tty)
+while_stepping_pseudocommand (const char *args, int from_tty)
{
error (_("This command can only be used in a tracepoint actions list."));
}
static void
-collect_pseudocommand (char *args, int from_tty)
+collect_pseudocommand (const char *args, int from_tty)
{
error (_("This command can only be used in a tracepoint actions list."));
}
static void
-teval_pseudocommand (char *args, int from_tty)
+teval_pseudocommand (const char *args, int from_tty)
{
error (_("This command can only be used in a tracepoint actions list."));
}
/* Enter a list of actions for a tracepoint. */
static void
-actions_command (char *args, int from_tty)
+actions_command (const char *args, int from_tty)
{
struct tracepoint *t;
string_printf ("Enter actions for tracepoint %d, one per line.",
t->number);
- command_line_up l = read_command_lines (&tmpbuf[0], from_tty, 1,
- check_tracepoint_command, t);
+ counted_command_line l = read_command_lines (tmpbuf.c_str (),
+ from_tty, 1,
+ [=] (const char *line)
+ {
+ validate_actionline (line, t);
+ });
breakpoint_set_commands (t, std::move (l));
}
/* else just return */
/* Reduce a collection list to string form (for gdb protocol). */
-char **
+std::vector<std::string>
collection_list::stringify ()
{
char temp_buf[2048];
int count;
- int ndx = 0;
- char *(*str_list)[];
char *end;
long i;
-
- count = 1 + 1 + m_memranges.size () + m_aexprs.size () + 1;
- str_list = (char *(*)[]) xmalloc (count * sizeof (char *));
+ std::vector<std::string> str_list;
if (m_strace_data)
{
printf_filtered ("\nCollecting static trace data\n");
end = temp_buf;
*end++ = 'L';
- (*str_list)[ndx] = savestring (temp_buf, end - temp_buf);
- ndx++;
+ str_list.emplace_back (temp_buf, end - temp_buf);
}
for (i = sizeof (m_regs_mask) - 1; i > 0; i--)
sprintf (end, "%02X", m_regs_mask[i]);
end += 2;
}
- (*str_list)[ndx] = xstrdup (temp_buf);
- ndx++;
+ str_list.emplace_back (temp_buf);
}
if (info_verbose)
printf_filtered ("\n");
}
if (count + 27 > MAX_AGENT_EXPR_LEN)
{
- (*str_list)[ndx] = savestring (temp_buf, count);
- ndx++;
+ str_list.emplace_back (temp_buf, count);
count = 0;
end = temp_buf;
}
QUIT; /* Allow user to bail out with ^C. */
if ((count + 10 + 2 * m_aexprs[i]->len) > MAX_AGENT_EXPR_LEN)
{
- (*str_list)[ndx] = savestring (temp_buf, count);
- ndx++;
+ str_list.emplace_back (temp_buf, count);
count = 0;
end = temp_buf;
}
if (count != 0)
{
- (*str_list)[ndx] = savestring (temp_buf, count);
- ndx++;
+ str_list.emplace_back (temp_buf, count);
count = 0;
end = temp_buf;
}
- (*str_list)[ndx] = NULL;
- if (ndx == 0)
- {
- xfree (str_list);
- return NULL;
- }
- else
- return *str_list;
+ return str_list;
}
/* Add the printed expression EXP to *LIST. */
case OP_VAR_VALUE:
{
struct symbol *sym = exp->elts[2].symbol;
- char_ptr name = (char_ptr) SYMBOL_NATURAL_NAME (sym);
+ const char *name = SYMBOL_NATURAL_NAME (sym);
collect->collect_symbol (exp->elts[2].symbol,
target_gdbarch (),
here. */
gdb_assert (stepping_list);
- encode_actions_1 (action->body_list[0], tloc, frame_reg,
+ encode_actions_1 (action->body_list_0.get (), tloc, frame_reg,
frame_offset, stepping_list, NULL);
}
else
struct collection_list *tracepoint_list,
struct collection_list *stepping_list)
{
- struct command_line *actions;
int frame_reg;
LONGEST frame_offset;
gdbarch_virtual_frame_pointer (tloc->gdbarch,
tloc->address, &frame_reg, &frame_offset);
- actions = all_tracepoint_actions_and_cleanup (tloc->owner);
-
- encode_actions_1 (actions, tloc, frame_reg, frame_offset,
+ counted_command_line actions = all_tracepoint_actions (tloc->owner);
+ encode_actions_1 (actions.get (), tloc, frame_reg, frame_offset,
tracepoint_list, stepping_list);
+ encode_actions_1 (breakpoint_commands (tloc->owner), tloc,
+ frame_reg, frame_offset, tracepoint_list, stepping_list);
tracepoint_list->finish ();
stepping_list->finish ();
/* Render all actions into gdb protocol. */
void
-encode_actions_rsp (struct bp_location *tloc, char ***tdp_actions,
- char ***stepping_actions)
+encode_actions_rsp (struct bp_location *tloc,
+ std::vector<std::string> *tdp_actions,
+ std::vector<std::string> *stepping_actions)
{
struct collection_list tracepoint_list, stepping_list;
- *tdp_actions = NULL;
- *stepping_actions = NULL;
-
encode_actions (tloc, &tracepoint_list, &stepping_list);
*tdp_actions = tracepoint_list.stringify ();
}
void
-start_tracing (char *notes)
+start_tracing (const char *notes)
{
VEC(breakpoint_p) *tp_vec = NULL;
int ix;
t->number_on_target = b->number;
for (loc = b->loc; loc; loc = loc->next)
- if (loc->probe.probe != NULL
- && loc->probe.probe->pops->set_semaphore != NULL)
- loc->probe.probe->pops->set_semaphore (loc->probe.probe,
- loc->probe.objfile,
- loc->gdbarch);
+ if (loc->probe.prob != NULL)
+ loc->probe.prob->set_semaphore (loc->probe.objfile,
+ loc->gdbarch);
if (bp_location_downloaded)
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
}
VEC_free (breakpoint_p, tp_vec);
/* Send down all the trace state variables too. */
- for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
- {
- target_download_trace_state_variable (tsv);
- }
+ for (const trace_state_variable &tsv : tvariables)
+ target_download_trace_state_variable (tsv);
/* Tell target to treat text-like sections as transparent. */
target_trace_set_readonly_regions ();
anybody else messing with the target. */
static void
-tstart_command (char *args, int from_tty)
+tstart_command (const char *args, int from_tty)
{
dont_repeat (); /* Like "run", dangerous to repeat accidentally. */
of the trace run's status. */
static void
-tstop_command (char *args, int from_tty)
+tstop_command (const char *args, int from_tty)
{
if (!current_trace_status ()->running)
error (_("Trace is not running."));
}
void
-stop_tracing (char *note)
+stop_tracing (const char *note)
{
int ret;
VEC(breakpoint_p) *tp_vec = NULL;
but we don't really care if this semaphore goes out of sync.
That's why we are decrementing it here, but not taking care
in other places. */
- if (loc->probe.probe != NULL
- && loc->probe.probe->pops->clear_semaphore != NULL)
- loc->probe.probe->pops->clear_semaphore (loc->probe.probe,
- loc->probe.objfile,
- loc->gdbarch);
+ if (loc->probe.prob != NULL)
+ loc->probe.prob->clear_semaphore (loc->probe.objfile,
+ loc->gdbarch);
}
}
/* tstatus command */
static void
-tstatus_command (char *args, int from_tty)
+tstatus_command (const char *args, int from_tty)
{
struct trace_status *ts = current_trace_status ();
int status, ix;
set_tracepoint_num (tp ? tp->number : target_tracept);
if (target_frameno != get_traceframe_number ())
- observer_notify_traceframe_changed (target_frameno, tracepoint_number);
+ gdb::observers::traceframe_changed.notify (target_frameno, tracepoint_number);
set_current_traceframe (target_frameno);
static void
tfind_command (const char *args, int from_tty)
{
- tfind_command_1 (const_cast<char *> (args), from_tty);
+ tfind_command_1 (args, from_tty);
}
/* tfind end */
/* info scope command: list the locals for a scope. */
static void
-info_scope_command (char *args_in, int from_tty)
+info_scope_command (const char *args_in, int from_tty)
{
struct symbol *sym;
struct bound_minimal_symbol msym;
if (cmd_cfunc_eq (cmd, while_stepping_pseudocommand))
{
- int i;
-
- for (i = 0; i < action->body_count; ++i)
- trace_dump_actions (action->body_list[i],
- 1, stepping_frame, from_tty);
+ gdb_assert (action->body_list_1 == nullptr);
+ trace_dump_actions (action->body_list_0.get (),
+ 1, stepping_frame, from_tty);
}
else if (cmd_cfunc_eq (cmd, collect_pseudocommand))
{
STEPPING_ACTIONS should be equal. */
if (stepping_frame == stepping_actions)
{
- char *cmd = NULL;
- struct cleanup *old_chain
- = make_cleanup (free_current_contents, &cmd);
int trace_string = 0;
if (*action_exp == '/')
info_args_command (NULL, from_tty);
else
{ /* variable */
+ std::string contents;
+ const char *exp = action_exp;
if (next_comma != NULL)
{
size_t len = next_comma - action_exp;
-
- cmd = (char *) xrealloc (cmd, len + 1);
- memcpy (cmd, action_exp, len);
- cmd[len] = 0;
- }
- else
- {
- size_t len = strlen (action_exp);
-
- cmd = (char *) xrealloc (cmd, len + 1);
- memcpy (cmd, action_exp, len + 1);
+ contents = std::string (action_exp, len);
+ exp = contents.c_str ();
}
- printf_filtered ("%s = ", cmd);
- output_command_const (cmd, from_tty);
+ printf_filtered ("%s = ", exp);
+ output_command (exp, from_tty);
printf_filtered ("\n");
}
action_exp = next_comma;
}
while (action_exp && *action_exp == ',');
-
- do_cleanups (old_chain);
}
}
}
return t->loc;
}
-/* Return all the actions, including default collect, of a tracepoint
- T. It constructs cleanups into the chain, and leaves the caller to
- handle them (call do_cleanups). */
+/* Return the default collect actions of a tracepoint T. */
-static struct command_line *
-all_tracepoint_actions_and_cleanup (struct breakpoint *t)
+static counted_command_line
+all_tracepoint_actions (struct breakpoint *t)
{
- struct command_line *actions;
-
- actions = breakpoint_commands (t);
+ counted_command_line actions (nullptr, command_lines_deleter ());
/* If there are default expressions to collect, make up a collect
action and prepend to the action list to encode. Note that since
if (*default_collect)
{
struct command_line *default_collect_action;
- char *default_collect_line;
-
- default_collect_line = xstrprintf ("collect %s", default_collect);
- make_cleanup (xfree, default_collect_line);
+ gdb::unique_xmalloc_ptr<char> default_collect_line
+ (xstrprintf ("collect %s", default_collect));
- validate_actionline (default_collect_line, t);
- default_collect_action = XNEW (struct command_line);
- make_cleanup (xfree, default_collect_action);
- default_collect_action->next = actions;
- default_collect_action->line = default_collect_line;
- actions = default_collect_action;
+ validate_actionline (default_collect_line.get (), t);
+ actions.reset (new struct command_line (simple_control,
+ default_collect_line.release ()),
+ command_lines_deleter ());
}
return actions;
/* The tdump command. */
static void
-tdump_command (char *args, int from_tty)
+tdump_command (const char *args, int from_tty)
{
int stepping_frame = 0;
struct bp_location *loc;
- struct command_line *actions;
/* This throws an error is not inspecting a trace frame. */
loc = get_traceframe_location (&stepping_frame);
select_frame (get_current_frame ());
- actions = all_tracepoint_actions_and_cleanup (loc->owner);
+ counted_command_line actions = all_tracepoint_actions (loc->owner);
- trace_dump_actions (actions, 0, stepping_frame, from_tty);
+ trace_dump_actions (actions.get (), 0, stepping_frame, from_tty);
+ trace_dump_actions (breakpoint_commands (loc->owner), 0, stepping_frame,
+ from_tty);
}
/* Encode a piece of a tracepoint's source-level definition in a form
disconnects for some reason. */
static void
-set_disconnected_tracing (char *args, int from_tty,
+set_disconnected_tracing (const char *args, int from_tty,
struct cmd_list_element *c)
{
target_set_disconnected_tracing (disconnected_tracing);
}
static void
-set_circular_trace_buffer (char *args, int from_tty,
+set_circular_trace_buffer (const char *args, int from_tty,
struct cmd_list_element *c)
{
target_set_circular_trace_buffer (circular_trace_buffer);
}
static void
-set_trace_buffer_size (char *args, int from_tty,
+set_trace_buffer_size (const char *args, int from_tty,
struct cmd_list_element *c)
{
target_set_trace_buffer_size (trace_buffer_size);
}
static void
-set_trace_user (char *args, int from_tty,
+set_trace_user (const char *args, int from_tty,
struct cmd_list_element *c)
{
int ret;
}
static void
-set_trace_notes (char *args, int from_tty,
+set_trace_notes (const char *args, int from_tty,
struct cmd_list_element *c)
{
int ret;
}
static void
-set_trace_stop_notes (char *args, int from_tty,
+set_trace_stop_notes (const char *args, int from_tty,
struct cmd_list_element *c)
{
int ret;
clear_traceframe_info ();
}
-/* A cleanup used when switching away and back from tfind mode. */
-
-struct current_traceframe_cleanup
-{
- /* The traceframe we were inspecting. */
- int traceframe_number;
-};
-
-static void
-do_restore_current_traceframe_cleanup (void *arg)
-{
- struct current_traceframe_cleanup *old
- = (struct current_traceframe_cleanup *) arg;
-
- set_current_traceframe (old->traceframe_number);
-}
-
-static void
-restore_current_traceframe_cleanup_dtor (void *arg)
-{
- struct current_traceframe_cleanup *old
- = (struct current_traceframe_cleanup *) arg;
-
- xfree (old);
-}
-
-struct cleanup *
-make_cleanup_restore_current_traceframe (void)
-{
- struct current_traceframe_cleanup *old =
- XNEW (struct current_traceframe_cleanup);
-
- old->traceframe_number = traceframe_number;
-
- return make_cleanup_dtor (do_restore_current_traceframe_cleanup, old,
- restore_current_traceframe_cleanup_dtor);
-}
+scoped_restore_current_traceframe::scoped_restore_current_traceframe ()
+: m_traceframe_number (traceframe_number)
+{}
/* Given a number and address, return an uploaded tracepoint with that
number, creating if necessary. */
if (utp->number == num && utp->addr == addr)
return utp;
- utp = XCNEW (struct uploaded_tp);
+ utp = new uploaded_tp;
utp->number = num;
utp->addr = addr;
- utp->actions = NULL;
- utp->step_actions = NULL;
- utp->cmd_strings = NULL;
utp->next = *utpp;
*utpp = utp;
while (*utpp)
{
next_one = (*utpp)->next;
- xfree (*utpp);
+ delete *utpp;
*utpp = next_one;
}
}
/* Notify 'breakpoint-modified' observer that at least one of B's
locations was changed. */
for (ix = 0; VEC_iterate (breakpoint_p, modified_tp, ix, b); ix++)
- observer_notify_breakpoint_modified (b);
+ gdb::observers::breakpoint_modified.notify (b);
VEC_free (breakpoint_p, modified_tp);
free_uploaded_tps (uploaded_tps);
std::string buf;
int try_num = 0;
struct trace_state_variable *tsv;
- struct cleanup *old_chain;
if (utsv->name)
{
tsv->initial_value = utsv->initial_value;
tsv->builtin = utsv->builtin;
- observer_notify_tsv_created (tsv);
+ gdb::observers::tsv_created.notify (tsv);
return tsv;
}
/* Most likely some numbers will have to be reassigned as part of
the merge, so clear them all in anticipation. */
- for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
- tsv->number = 0;
+ for (trace_state_variable &tsv : tvariables)
+ tsv.number = 0;
for (utsv = *uploaded_tsvs; utsv; utsv = utsv->next)
{
if (info_verbose)
printf_filtered (_("Assuming trace state variable $%s "
"is same as target's variable %d.\n"),
- tsv->name, utsv->number);
+ tsv->name.c_str (), utsv->number);
}
else
{
if (info_verbose)
printf_filtered (_("Created trace state variable "
"$%s for target's variable %d.\n"),
- tsv->name, utsv->number);
+ tsv->name.c_str (), utsv->number);
}
/* Give precedence to numberings that come from the target. */
if (tsv)
/* Renumber everything that didn't get a target-assigned number. */
highest = 0;
- for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
- if (tsv->number > highest)
- highest = tsv->number;
+ for (const trace_state_variable &tsv : tvariables)
+ highest = std::max (tsv.number, highest);
++highest;
- for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
- if (tsv->number == 0)
- tsv->number = highest++;
+ for (trace_state_variable &tsv : tvariables)
+ if (tsv.number == 0)
+ tsv.number = highest++;
free_uploaded_tsvs (uploaded_tsvs);
}
else if (piece == 'A')
{
utp = get_uploaded_tp (num, addr, utpp);
- VEC_safe_push (char_ptr, utp->actions, xstrdup (p));
+ utp->actions.push_back (xstrdup (p));
}
else if (piece == 'S')
{
utp = get_uploaded_tp (num, addr, utpp);
- VEC_safe_push (char_ptr, utp->step_actions, xstrdup (p));
+ utp->step_actions.push_back (xstrdup (p));
}
else if (piece == 'Z')
{
else if (startswith (srctype, "cond:"))
utp->cond_string = xstrdup (buf);
else if (startswith (srctype, "cmd:"))
- VEC_safe_push (char_ptr, utp->cmd_strings, xstrdup (buf));
+ utp->cmd_strings.push_back (xstrdup (buf));
}
else if (piece == 'V')
{
utsv->name = xstrdup (buf);
}
-void
-free_current_marker (void *arg)
-{
- struct static_tracepoint_marker **marker_p
- = (struct static_tracepoint_marker **) arg;
-
- if (*marker_p != NULL)
- {
- release_static_tracepoint_marker (*marker_p);
- xfree (*marker_p);
- }
- else
- *marker_p = NULL;
-}
-
/* Given a line of text defining a static tracepoint marker, parse it
into a "static tracepoint marker" object. Throws an error is
parsing fails. If PP is non-null, it points to one past the end of
void
parse_static_tracepoint_marker_definition (const char *line, const char **pp,
- struct static_tracepoint_marker *marker)
+ static_tracepoint_marker *marker)
{
const char *p, *endp;
ULONGEST addr;
- int end;
p = line;
p = unpack_varlen_hex (p, &addr);
if (endp == NULL)
error (_("bad marker definition: %s"), line);
- marker->str_id = (char *) xmalloc (endp - p + 1);
- end = hex2bin (p, (gdb_byte *) marker->str_id, (endp - p + 1) / 2);
- marker->str_id[end] = '\0';
-
- p += 2 * end;
- p++; /* skip a colon */
+ marker->str_id = hex2str (p, (endp - p) / 2);
- marker->extra = (char *) xmalloc (strlen (p) + 1);
- end = hex2bin (p, (gdb_byte *) marker->extra, strlen (p) / 2);
- marker->extra[end] = '\0';
+ p = endp;
+ p++; /* skip a colon */
- if (pp)
- *pp = p;
-}
+ /* This definition may be followed by another one, separated by a comma. */
+ int hex_len;
+ endp = strchr (p, ',');
+ if (endp != nullptr)
+ hex_len = endp - p;
+ else
+ hex_len = strlen (p);
-/* Release a static tracepoint marker's contents. Note that the
- object itself isn't released here. There objects are usually on
- the stack. */
+ marker->extra = hex2str (p, hex_len / 2);
-void
-release_static_tracepoint_marker (struct static_tracepoint_marker *marker)
-{
- xfree (marker->str_id);
- marker->str_id = NULL;
+ if (pp != nullptr)
+ *pp = p + hex_len;
}
/* Print MARKER to gdb_stdout. */
static void
print_one_static_tracepoint_marker (int count,
- struct static_tracepoint_marker *marker)
+ const static_tracepoint_marker &marker)
{
struct symbol *sym;
VEC(breakpoint_p) *tracepoints;
symtab_and_line sal;
- sal.pc = marker->address;
+ sal.pc = marker.address;
- tracepoints = static_tracepoints_here (marker->address);
+ tracepoints = static_tracepoints_here (marker.address);
ui_out_emit_tuple tuple_emitter (uiout, "marker");
identifier! */
uiout->field_int ("count", count);
- uiout->field_string ("marker-id", marker->str_id);
+ uiout->field_string ("marker-id", marker.str_id.c_str ());
uiout->field_fmt ("enabled", "%c",
!VEC_empty (breakpoint_p, tracepoints) ? 'y' : 'n');
strcpy (wrap_indent, " ");
- if (gdbarch_addr_bit (marker->gdbarch) <= 32)
+ if (gdbarch_addr_bit (marker.gdbarch) <= 32)
strcat (wrap_indent, " ");
else
strcat (wrap_indent, " ");
strcpy (extra_field_indent, " ");
- uiout->field_core_addr ("addr", marker->gdbarch, marker->address);
+ uiout->field_core_addr ("addr", marker.gdbarch, marker.address);
- sal = find_pc_line (marker->address, 0);
- sym = find_pc_sect_function (marker->address, NULL);
+ sal = find_pc_line (marker.address, 0);
+ sym = find_pc_sect_function (marker.address, NULL);
if (sym)
{
uiout->text ("in ");
uiout->text ("\n");
uiout->text (extra_field_indent);
uiout->text (_("Data: \""));
- uiout->field_string ("extra-data", marker->extra);
+ uiout->field_string ("extra-data", marker.extra.c_str ());
uiout->text ("\"\n");
if (!VEC_empty (breakpoint_p, tracepoints))
}
static void
-info_static_tracepoint_markers_command (char *arg, int from_tty)
+info_static_tracepoint_markers_command (const char *arg, int from_tty)
{
- VEC(static_tracepoint_marker_p) *markers;
- struct cleanup *old_chain;
- struct static_tracepoint_marker *marker;
struct ui_out *uiout = current_uiout;
- int i;
+ std::vector<static_tracepoint_marker> markers
+ = target_static_tracepoint_markers_by_strid (NULL);
/* We don't have to check target_can_use_agent and agent's capability on
static tracepoint here, in order to be compatible with older GDBserver.
uiout->table_body ();
- markers = target_static_tracepoint_markers_by_strid (NULL);
- old_chain = make_cleanup (VEC_cleanup (static_tracepoint_marker_p), &markers);
-
- for (i = 0;
- VEC_iterate (static_tracepoint_marker_p,
- markers, i, marker);
- i++)
- {
- print_one_static_tracepoint_marker (i + 1, marker);
- release_static_tracepoint_marker (marker);
- }
-
- do_cleanups (old_chain);
+ for (int i = 0; i < markers.size (); i++)
+ print_one_static_tracepoint_marker (i + 1, markers[i]);
}
/* The $_sdata convenience variable is a bit special. We don't know
sdata_make_value (struct gdbarch *gdbarch, struct internalvar *var,
void *ignore)
{
- LONGEST size;
- gdb_byte *buf;
-
/* We need to read the whole object before we know its size. */
- size = target_read_alloc (¤t_target,
- TARGET_OBJECT_STATIC_TRACE_DATA,
- NULL, &buf);
- if (size >= 0)
+ gdb::optional<gdb::byte_vector> buf
+ = target_read_alloc (current_top_target (), TARGET_OBJECT_STATIC_TRACE_DATA,
+ NULL);
+ if (buf)
{
struct value *v;
struct type *type;
type = init_vector_type (builtin_type (gdbarch)->builtin_true_char,
- size);
+ buf->size ());
v = allocate_value (type);
- memcpy (value_contents_raw (v), buf, size);
- xfree (buf);
+ memcpy (value_contents_raw (v), buf->data (), buf->size ());
return v;
}
else
#if !defined(HAVE_LIBEXPAT)
-struct traceframe_info *
+struct std::unique_ptr<traceframe_info>
parse_traceframe_info (const char *tframe_info)
{
static int have_warned;
static void
traceframe_info_start_memory (struct gdb_xml_parser *parser,
const struct gdb_xml_element *element,
- void *user_data, VEC(gdb_xml_value_s) *attributes)
+ void *user_data,
+ std::vector<gdb_xml_value> &attributes)
{
struct traceframe_info *info = (struct traceframe_info *) user_data;
- struct mem_range *r = VEC_safe_push (mem_range_s, info->memory, NULL);
ULONGEST *start_p, *length_p;
start_p
- = (ULONGEST *) xml_find_attribute (attributes, "start")->value;
+ = (ULONGEST *) xml_find_attribute (attributes, "start")->value.get ();
length_p
- = (ULONGEST *) xml_find_attribute (attributes, "length")->value;
+ = (ULONGEST *) xml_find_attribute (attributes, "length")->value.get ();
- r->start = *start_p;
- r->length = *length_p;
+ info->memory.emplace_back (*start_p, *length_p);
}
/* Handle the start of a <tvar> element. */
traceframe_info_start_tvar (struct gdb_xml_parser *parser,
const struct gdb_xml_element *element,
void *user_data,
- VEC(gdb_xml_value_s) *attributes)
+ std::vector<gdb_xml_value> &attributes)
{
struct traceframe_info *info = (struct traceframe_info *) user_data;
const char *id_attrib
- = (const char *) xml_find_attribute (attributes, "id")->value;
+ = (const char *) xml_find_attribute (attributes, "id")->value.get ();
int id = gdb_xml_parse_ulongest (parser, id_attrib);
- VEC_safe_push (int, info->tvars, id);
-}
-
-/* Discard the constructed trace frame info (if an error occurs). */
-
-static void
-free_result (void *p)
-{
- struct traceframe_info *result = (struct traceframe_info *) p;
-
- free_traceframe_info (result);
+ info->tvars.push_back (id);
}
/* The allowed elements and attributes for an XML memory map. */
/* Parse a traceframe-info XML document. */
-struct traceframe_info *
+traceframe_info_up
parse_traceframe_info (const char *tframe_info)
{
- struct traceframe_info *result;
- struct cleanup *back_to;
-
- result = XCNEW (struct traceframe_info);
- back_to = make_cleanup (free_result, result);
+ traceframe_info_up result (new traceframe_info);
if (gdb_xml_parse_quick (_("trace frame info"),
"traceframe-info.dtd", traceframe_info_elements,
- tframe_info, result) == 0)
- {
- /* Parsed successfully, keep the result. */
- discard_cleanups (back_to);
+ tframe_info, result.get ()) == 0)
+ return result;
- return result;
- }
-
- do_cleanups (back_to);
return NULL;
}
if (current_traceframe_info == NULL)
current_traceframe_info = target_traceframe_info ();
- return current_traceframe_info;
+ return current_traceframe_info.get ();
}
/* If the target supports the query, return in RESULT the set of
undefined. */
int
-traceframe_available_memory (VEC(mem_range_s) **result,
+traceframe_available_memory (std::vector<mem_range> *result,
CORE_ADDR memaddr, ULONGEST len)
{
struct traceframe_info *info = get_traceframe_info ();
if (info != NULL)
{
- struct mem_range *r;
- int i;
-
- *result = NULL;
+ result->clear ();
- for (i = 0; VEC_iterate (mem_range_s, info->memory, i, r); i++)
- if (mem_ranges_overlap (r->start, r->length, memaddr, len))
+ for (mem_range &r : info->memory)
+ if (mem_ranges_overlap (r.start, r.length, memaddr, len))
{
ULONGEST lo1, hi1, lo2, hi2;
- struct mem_range *nr;
lo1 = memaddr;
hi1 = memaddr + len;
- lo2 = r->start;
- hi2 = r->start + r->length;
+ lo2 = r.start;
+ hi2 = r.start + r.length;
- nr = VEC_safe_push (mem_range_s, *result, NULL);
+ CORE_ADDR start = std::max (lo1, lo2);
+ int length = std::min (hi1, hi2) - start;
- nr->start = std::max (lo1, lo2);
- nr->length = std::min (hi1, hi2) - nr->start;
+ result->emplace_back (start, length);
}
- normalize_mem_ranges (*result);
+ normalize_mem_ranges (result);
return 1;
}
add_com ("tstop", class_trace, tstop_command, _("\
Stop trace data collection.\n\
-Usage: tstop [ <notes> ... ]\n\
+Usage: tstop [NOTES]...\n\
Any arguments supplied are recorded with the trace as a stop reason and\n\
reported by tstatus (if the target supports trace notes)."));
add_com ("tstart", class_trace, tstart_command, _("\
Start trace data collection.\n\
-Usage: tstart [ <notes> ... ]\n\
+Usage: tstart [NOTES]...\n\
Any arguments supplied are recorded with the trace as a note and\n\
reported by tstatus (if the target supports trace notes)."));
projects / deliverable / binutils-gdb.git / blobdiff