#include "gdbthread.h"
#include "stack.h"
#include "gdbcore.h"
+#include "remote.h"
#include "ax.h"
#include "ax-gdb.h"
tsv->initial_value = initval;
printf_filtered (_("Trace state variable $%s now has initial value %s.\n"),
tsv->name, plongest (tsv->initial_value));
+ do_cleanups (old_chain);
return;
}
void
delete_trace_variable_command (char *args, int from_tty)
{
- int i, ix;
+ int ix;
char **argv;
struct cleanup *back_to;
- struct trace_state_variable *tsv;
if (args == NULL)
{
argv = gdb_buildargv (args);
back_to = make_cleanup_freeargv (argv);
- for (i = 0; argv[i] != NULL; i++)
+ for (ix = 0; argv[ix] != NULL; ix++)
{
- if (*argv[i] == '$')
- delete_trace_state_variable (argv[i] + 1);
+ if (*argv[ix] == '$')
+ delete_trace_state_variable (argv[ix] + 1);
else
- warning (_("Name \"%s\" not prefixed with '$', ignoring"), argv[i]);
+ warning (_("Name \"%s\" not prefixed with '$', ignoring"), argv[ix]);
}
do_cleanups (back_to);
back_to2 = make_cleanup_ui_out_tuple_begin_end (uiout, "variable");
- name = concat ("$", tsv->name, NULL);
+ name = concat ("$", tsv->name, (char *) NULL);
make_cleanup (xfree, name);
ui_out_field_string (uiout, "name", name);
ui_out_field_string (uiout, "initial", plongest (tsv->initial_value));
internal errors. */
static void
-report_agent_reqs_errors (struct agent_expr *aexpr, struct agent_reqs *areqs)
+report_agent_reqs_errors (struct agent_expr *aexpr)
{
/* All of the "flaws" are serious bytecode generation issues that
should never occur. */
- if (areqs->flaw != agent_flaw_none)
+ if (aexpr->flaw != agent_flaw_none)
internal_error (__FILE__, __LINE__, _("expression is malformed"));
/* If analysis shows a stack underflow, GDB must have done something
badly wrong in its bytecode generation. */
- if (areqs->min_height < 0)
+ if (aexpr->min_height < 0)
internal_error (__FILE__, __LINE__,
_("expression has min height < 0"));
depth roughly corresponds to parenthesization, so a limit of 20
amounts to 20 levels of expression nesting, which is actually
a pretty big hairy expression. */
- if (areqs->max_height > 20)
+ if (aexpr->max_height > 20)
error (_("Expression is too complicated."));
}
char *p, *tmp_p;
struct bp_location *loc;
struct agent_expr *aexpr;
- struct agent_reqs areqs;
/* if EOF is typed, *line is NULL */
if (*line == NULL)
if (aexpr->len > MAX_AGENT_EXPR_LEN)
error (_("Expression is too complicated."));
- ax_reqs (aexpr, &areqs);
- (void) make_cleanup (xfree, areqs.reg_mask);
+ ax_reqs (aexpr);
- report_agent_reqs_errors (aexpr, &areqs);
+ report_agent_reqs_errors (aexpr);
do_cleanups (old_chain);
}
if (aexpr->len > MAX_AGENT_EXPR_LEN)
error (_("Expression is too complicated."));
- ax_reqs (aexpr, &areqs);
- (void) make_cleanup (xfree, areqs.reg_mask);
-
- report_agent_reqs_errors (aexpr, &areqs);
+ ax_reqs (aexpr);
+ report_agent_reqs_errors (aexpr);
do_cleanups (old_chain);
}
{
struct agent_expr *aexpr;
struct cleanup *old_chain1 = NULL;
- struct agent_reqs areqs;
aexpr = gen_trace_for_var (scope, gdbarch, sym);
old_chain1 = make_cleanup_free_agent_expr (aexpr);
- ax_reqs (aexpr, &areqs);
+ ax_reqs (aexpr);
- report_agent_reqs_errors (aexpr, &areqs);
+ report_agent_reqs_errors (aexpr);
discard_cleanups (old_chain1);
add_aexpr (collect, aexpr);
/* take care of the registers */
- if (areqs.reg_mask_len > 0)
+ if (aexpr->reg_mask_len > 0)
{
int ndx1, ndx2;
- for (ndx1 = 0; ndx1 < areqs.reg_mask_len; ndx1++)
+ for (ndx1 = 0; ndx1 < aexpr->reg_mask_len; ndx1++)
{
QUIT; /* allow user to bail out with ^C */
- if (areqs.reg_mask[ndx1] != 0)
+ if (aexpr->reg_mask[ndx1] != 0)
{
/* assume chars have 8 bits */
for (ndx2 = 0; ndx2 < 8; ndx2++)
- if (areqs.reg_mask[ndx1] & (1 << ndx2))
+ if (aexpr->reg_mask[ndx1] & (1 << ndx2))
/* it's used -- record it */
add_register (collect, ndx1 * 8 + ndx2);
}
{
char *action_exp;
struct expression *exp = NULL;
- struct command_line *actions;
int i;
struct value *tempval;
struct cmd_list_element *cmd;
unsigned long addr, len;
struct cleanup *old_chain = NULL;
struct cleanup *old_chain1 = NULL;
- struct agent_reqs areqs;
exp = parse_exp_1 (&action_exp,
block_for_pc (tloc->address), 1);
old_chain1 = make_cleanup_free_agent_expr (aexpr);
- ax_reqs (aexpr, &areqs);
+ ax_reqs (aexpr);
- report_agent_reqs_errors (aexpr, &areqs);
+ report_agent_reqs_errors (aexpr);
discard_cleanups (old_chain1);
add_aexpr (collect, aexpr);
/* take care of the registers */
- if (areqs.reg_mask_len > 0)
+ if (aexpr->reg_mask_len > 0)
{
int ndx1;
int ndx2;
- for (ndx1 = 0; ndx1 < areqs.reg_mask_len; ndx1++)
+ for (ndx1 = 0; ndx1 < aexpr->reg_mask_len; ndx1++)
{
QUIT; /* allow user to bail out with ^C */
- if (areqs.reg_mask[ndx1] != 0)
+ if (aexpr->reg_mask[ndx1] != 0)
{
/* assume chars have 8 bits */
for (ndx2 = 0; ndx2 < 8; ndx2++)
- if (areqs.reg_mask[ndx1] & (1 << ndx2))
+ if (aexpr->reg_mask[ndx1] & (1 << ndx2))
/* it's used -- record it */
add_register (collect,
ndx1 * 8 + ndx2);
action_exp++;
{
- unsigned long addr, len;
struct cleanup *old_chain = NULL;
struct cleanup *old_chain1 = NULL;
- struct agent_reqs areqs;
exp = parse_exp_1 (&action_exp,
block_for_pc (tloc->address), 1);
aexpr = gen_eval_for_expr (tloc->address, exp);
old_chain1 = make_cleanup_free_agent_expr (aexpr);
- ax_reqs (aexpr, &areqs);
-
- report_agent_reqs_errors (aexpr, &areqs);
+ ax_reqs (aexpr);
+ report_agent_reqs_errors (aexpr);
discard_cleanups (old_chain1);
/* Even though we're not officially collecting, add
here. */
gdb_assert (stepping_list);
- encode_actions_1 (action->body_list[0], t, tloc, frame_reg, frame_offset,
- stepping_list, NULL);
+ encode_actions_1 (action->body_list[0], t, tloc, frame_reg,
+ frame_offset, stepping_list, NULL);
}
else
error (_("Invalid tracepoint command '%s'"), action->line);
{
collect->aexpr_list =
xrealloc (collect->aexpr_list,
- 2 * collect->aexpr_listsize * sizeof (struct agent_expr *));
+ 2 * collect->aexpr_listsize * sizeof (struct agent_expr *));
collect->aexpr_listsize *= 2;
}
collect->aexpr_list[collect->next_aexpr_elt] = aexpr;
void
start_tracing (void)
{
- char buf[2048];
VEC(breakpoint_p) *tp_vec = NULL;
int ix;
struct breakpoint *t;
struct trace_state_variable *tsv;
- int any_enabled = 0;
+ int any_enabled = 0, num_to_download = 0;
tp_vec = all_tracepoints ();
for (ix = 0; VEC_iterate (breakpoint_p, tp_vec, ix, t); ix++)
{
if (t->enable_state == bp_enabled)
- {
- any_enabled = 1;
- break;
- }
+ any_enabled = 1;
+
+ if ((t->type == bp_fast_tracepoint
+ ? may_insert_fast_tracepoints
+ : may_insert_tracepoints))
+ ++num_to_download;
+ else
+ warning (_("May not insert %stracepoints, skipping tracepoint %d"),
+ (t->type == bp_fast_tracepoint ? "fast " : ""), t->number);
}
/* No point in tracing with only disabled tracepoints. */
error (_("No tracepoints enabled, not starting trace"));
}
+ if (num_to_download <= 0)
+ {
+ VEC_free (breakpoint_p, tp_vec);
+ error (_("No tracepoints that may be downloaded, not starting trace"));
+ }
+
target_trace_init ();
for (ix = 0; VEC_iterate (breakpoint_p, tp_vec, ix, t); ix++)
{
+ if ((t->type == bp_fast_tracepoint
+ ? !may_insert_fast_tracepoints
+ : !may_insert_tracepoints))
+ continue;
+
t->number_on_target = 0;
target_download_tracepoint (t);
t->number_on_target = t->number;
else if (ts->running)
{
printf_filtered (_("Trace is running on the target.\n"));
- if (disconnected_tracing)
- printf_filtered (_("Trace will continue if GDB disconnects.\n"));
- else
- printf_filtered (_("Trace will stop if GDB disconnects.\n"));
}
else
{
ts->buffer_free);
}
+ if (ts->disconnected_tracing)
+ printf_filtered (_("Trace will continue if GDB disconnects.\n"));
+ else
+ printf_filtered (_("Trace will stop if GDB disconnects.\n"));
+
+ if (ts->circular_buffer)
+ printf_filtered (_("Trace buffer is circular.\n"));
+
/* Now report on what we're doing with tfind. */
if (traceframe_number >= 0)
printf_filtered (_("Looking at trace frame %d, tracepoint %d.\n"),
{
struct trace_status *ts = current_trace_status ();
int status;
- char *string_status;
status = target_get_trace_status (ts);
}
}
-
- if ((int) ts->traceframe_count != -1)
+ if (ts->traceframe_count != -1)
ui_out_field_int (uiout, "frames", ts->traceframe_count);
- if ((int) ts->buffer_size != -1)
- ui_out_field_int (uiout, "buffer-size", (int) ts->buffer_size);
- if ((int) ts->buffer_free != -1)
- ui_out_field_int (uiout, "buffer-free", (int) ts->buffer_free);
+ if (ts->traceframes_created != -1)
+ ui_out_field_int (uiout, "frames-created", ts->traceframes_created);
+ if (ts->buffer_size != -1)
+ ui_out_field_int (uiout, "buffer-size", ts->buffer_size);
+ if (ts->buffer_free != -1)
+ ui_out_field_int (uiout, "buffer-free", ts->buffer_free);
+
+ ui_out_field_int (uiout, "disconnected", ts->disconnected_tracing);
+ ui_out_field_int (uiout, "circular", ts->circular_buffer);
}
-
+/* This function handles the details of what to do about an ongoing
+ tracing run if the user has asked to detach or otherwise disconnect
+ from the target. */
void
-disconnect_or_stop_tracing (int from_tty)
+disconnect_tracing (int from_tty)
{
/* It can happen that the target that was tracing went away on its
own, and we didn't notice. Get a status update, and if the
if (target_get_trace_status (current_trace_status ()) < 0)
current_trace_status ()->running = 0;
+ /* If running interactively, give the user the option to cancel and
+ then decide what to do differently with the run. Scripts are
+ just going to disconnect and let the target deal with it,
+ according to how it's been instructed previously via
+ disconnected-tracing. */
if (current_trace_status ()->running && from_tty)
{
- int cont = query (_("Trace is running. Continue tracing after detach? "));
- /* Note that we send the query result without affecting the
- user's setting of disconnected_tracing, so that the answer is
- a one-time-only. */
- send_disconnected_tracing_value (cont);
-
- /* Also ensure that we do the equivalent of a tstop command if
- tracing is not to continue after the detach. */
- if (!cont)
- stop_tracing ();
+ if (current_trace_status ()->disconnected_tracing)
+ {
+ if (!query (_("Trace is running and will continue after detach; detach anyway? ")))
+ error (_("Not confirmed."));
+ }
+ else
+ {
+ if (!query (_("Trace is running but will stop on detach; detach anyway? ")))
+ error (_("Not confirmed."));
+ }
}
/* Also we want to be out of tfind mode, otherwise things can get
int from_tty)
{
int target_frameno = -1, target_tracept = -1;
- struct frame_id old_frame_id;
- char *reply;
+ struct frame_id old_frame_id = null_frame_id;
struct breakpoint *tp;
- old_frame_id = get_frame_id (get_current_frame ());
+ /* Only try to get the current stack frame if we have a chance of
+ succeeding. In particular, if we're trying to get a first trace
+ frame while all threads are running, it's not going to succeed,
+ so leave it with a default value and let the frame comparison
+ below (correctly) decide to print out the source location of the
+ trace frame. */
+ if (!(type == tfind_number && num == -1)
+ && (has_stack_frames () || traceframe_number >= 0))
+ old_frame_id = get_frame_id (get_current_frame ());
target_frameno = target_trace_find (type, num, addr1, addr2,
&target_tracept);
}
else if (target_frameno == -1)
{
- /* A request for a non-existant trace frame has failed.
+ /* A request for a non-existent trace frame has failed.
Our response will be different, depending on FROM_TTY:
If FROM_TTY is true, meaning that this command was
{
if (ui_out_is_mi_like_p (uiout))
ui_out_field_string (uiout, "found", "0");
- else
- printf_unfiltered (_("No trace frame found"));
+ else if (type == tfind_number && num == -1)
+ printf_unfiltered (_("No longer looking at any trace frame\n"));
+ else /* this case may never occur, check */
+ printf_unfiltered (_("No trace frame found\n"));
}
/* If we're in nonstop mode and getting out of looking at trace
{
enum print_what print_what;
- /* NOTE: in immitation of the step command, try to determine
+ /* NOTE: in imitation of the step command, try to determine
whether we have made a transition from one function to
another. If so, we'll print the "stack frame" (ie. the new
function and it's arguments) -- otherwise we'll just show the
trace_find_pc_command (char *args, int from_tty)
{
CORE_ADDR pc;
- char tmp[40];
if (current_trace_status ()->running && !current_trace_status ()->from_file)
error ("May not look at trace frames while trace is running.");
struct symtabs_and_lines sals;
struct symtab_and_line sal;
struct cleanup *old_chain;
- char startpc_str[40], endpc_str[40];
if (current_trace_status ()->running && !current_trace_status ()->from_file)
error ("May not look at trace frames while trace is running.");
trace_find_range_command (char *args, int from_tty)
{
static CORE_ADDR start, stop;
- char start_str[40], stop_str[40];
char *tmp;
if (current_trace_status ()->running && !current_trace_status ()->from_file)
trace_find_outside_command (char *args, int from_tty)
{
CORE_ADDR start, stop;
- char start_str[40], stop_str[40];
char *tmp;
if (current_trace_status ()->running && !current_trace_status ()->from_file)
printf_filtered ("optimized out.\n");
continue;
case LOC_COMPUTED:
- SYMBOL_COMPUTED_OPS (sym)->describe_location (sym, gdb_stdout);
+ SYMBOL_COMPUTED_OPS (sym)->describe_location (sym,
+ BLOCK_START (block),
+ gdb_stdout);
break;
}
if (SYMBOL_TYPE (sym))
struct breakpoint *t;
int stepping_frame = 0;
struct bp_location *loc;
+ char *line, *default_collect_line = NULL;
+ struct command_line *actions, *default_collect_action = NULL;
+ struct cleanup *old_chain = NULL;
if (tracepoint_number == -1)
{
if (loc->address == regcache_read_pc (regcache))
stepping_frame = 0;
- trace_dump_actions (breakpoint_commands (t), 0, stepping_frame, from_tty);
+ actions = breakpoint_commands (t);
+
+ /* If there is a default-collect list, make up a collect command,
+ prepend to the tracepoint's commands, and pass the whole mess to
+ the trace dump scanner. We need to validate because
+ default-collect might have been junked since the trace run. */
+ if (*default_collect)
+ {
+ default_collect_line = xstrprintf ("collect %s", default_collect);
+ old_chain = make_cleanup (xfree, default_collect_line);
+ line = default_collect_line;
+ validate_actionline (&line, t);
+ default_collect_action = xmalloc (sizeof (struct command_line));
+ make_cleanup (xfree, default_collect_action);
+ default_collect_action->next = actions;
+ default_collect_action->line = line;
+ actions = default_collect_action;
+ }
+
+ trace_dump_actions (actions, 0, stepping_frame, from_tty);
+
+ if (*default_collect)
+ do_cleanups (old_chain);
}
/* Encode a piece of a tracepoint's source-level definition in a form
pathname = tilde_expand (filename);
cleanup = make_cleanup (xfree, pathname);
- fp = fopen (pathname, "w");
+ fp = fopen (pathname, "wb");
if (!fp)
error (_("Unable to open file '%s' for saving trace data (%s)"),
filename, safe_strerror (errno));
if (ts->stop_reason == tracepoint_error)
{
char *buf = (char *) alloca (strlen (ts->error_desc) * 2 + 1);
+
bin2hex ((gdb_byte *) ts->error_desc, buf, 0);
fprintf (fp, ":%s", buf);
}
fprintf (fp, ";tfree:%x", ts->buffer_free);
if (ts->buffer_size >= 0)
fprintf (fp, ";tsize:%x", ts->buffer_size);
+ if (ts->disconnected_tracing)
+ fprintf (fp, ";disconn:%x", ts->disconnected_tracing);
+ if (ts->circular_buffer)
+ fprintf (fp, ";circular:%x", ts->circular_buffer);
fprintf (fp, "\n");
/* Note that we want to upload tracepoints and save those, rather
filename = tilde_expand (filename);
if (!IS_ABSOLUTE_PATH(filename))
{
- temp = concat (current_directory, "/", filename, (char *)NULL);
+ temp = concat (current_directory, "/", filename, (char *) NULL);
xfree (filename);
filename = temp;
}
ts->stop_reason = trace_stop_reason_unknown;
ts->traceframe_count = -1;
ts->buffer_free = 0;
+ ts->disconnected_tracing = 0;
+ ts->circular_buffer = 0;
/* Read through a section of newline-terminated lines that
define things like tracepoints. */
/* Parse the part of trace status syntax that is shared between
the remote protocol and the trace file reader. */
-extern char *unpack_varlen_hex (char *buff, ULONGEST *result);
-
void
parse_trace_status (char *line, struct trace_status *ts)
{
ts->traceframes_created = -1;
ts->buffer_free = -1;
ts->buffer_size = -1;
+ ts->disconnected_tracing = 0;
+ ts->circular_buffer = 0;
while (*p++)
{
p = unpack_varlen_hex (++p1, &val);
ts->stop_reason = tstop_command;
}
+ else if (strncmp (p, stop_reason_names[trace_disconnected], p1 - p) == 0)
+ {
+ p = unpack_varlen_hex (++p1, &val);
+ ts->stop_reason = trace_disconnected;
+ }
else if (strncmp (p, stop_reason_names[tracepoint_error], p1 - p) == 0)
{
p2 = strchr (++p1, ':');
p = unpack_varlen_hex (++p1, &val);
ts->buffer_size = val;
}
+ else if (strncmp (p, "disconn", p1 - p) == 0)
+ {
+ p = unpack_varlen_hex (++p1, &val);
+ ts->disconnected_tracing = val;
+ }
+ else if (strncmp (p, "circular", p1 - p) == 0)
+ {
+ p = unpack_varlen_hex (++p1, &val);
+ ts->circular_buffer = val;
+ }
else
{
/* Silently skip unknown optional info. */
char *p;
char piece;
ULONGEST num, addr, step, pass, orig_size, xlen, start;
- int enabled, i, end;
+ int enabled, end;
enum bptype type;
- char *cond, *srctype, *src, *buf;
+ char *cond, *srctype, *buf;
struct uploaded_tp *utp = NULL;
p = line;
{
struct gdbarch *gdbarch = get_regcache_arch (regcache);
char block_type;
- int i, pos, offset, regn, regsize, gotten, pc_regno;
+ int pos, offset, regn, regsize, gotten, pc_regno;
unsigned short mlen;
char *regs;
if (amt > len)
amt = len;
- read (trace_fd, readbuf, amt);
+ gotten = read (trace_fd, readbuf, amt);
+ if (gotten < 0)
+ perror_with_name (trace_filename);
+ /* While it's acceptable to return less than was
+ originally asked for, it's not acceptable to return
+ less than what this block claims to contain. */
+ else if (gotten < amt)
+ error (_("Premature end of file while reading trace file"));
return amt;
}
lseek (trace_fd, mlen, SEEK_CUR);
projects / deliverable / binutils-gdb.git / blobdiff