/* Tracing functionality for remote targets in custom GDB protocol
- Copyright (C) 1997-2012 Free Software Foundation, Inc.
+ Copyright (C) 1997-2013 Free Software Foundation, Inc.
This file is part of GDB.
#define O_LARGEFILE 0
#endif
-extern int hex2bin (const char *hex, gdb_byte *bin, int count);
-extern int bin2hex (const gdb_byte *bin, char *hex, int count);
-
/* Maximum length of an agent aexpression.
This accounts for the fact that packets are limited to 400 bytes
(which includes everything -- including the checksum), and assumes
extern char *(*deprecated_readline_hook) (char *);
extern void (*deprecated_readline_end_hook) (void);
-/* GDB commands implemented in other modules:
- */
-
-extern void output_command (char *, int);
-
/*
Tracepoint.c:
clear_internalvar (lookup_internalvar ("trace_file"));
else
set_internalvar_string (lookup_internalvar ("trace_file"),
- traceframe_sal.symtab->filename);
+ symtab_to_filename_for_display (traceframe_sal.symtab));
}
/* Create a new trace state variable with the given name. */
for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
if (strcmp (name, tsv->name) == 0)
{
+ observer_notify_tsv_deleted (tsv);
+
xfree ((void *)tsv->name);
VEC_unordered_remove (tsv_s, tvariables, ix);
- observer_notify_tsv_deleted (name);
-
return;
}
warning (_("No trace variable named \"$%s\", not deleting"), name);
}
+/* Throws an error if NAME is not valid syntax for a trace state
+ variable's name. */
+
+void
+validate_trace_state_variable_name (const char *name)
+{
+ const char *p;
+
+ if (*name == '\0')
+ error (_("Must supply a non-empty variable name"));
+
+ /* All digits in the name is reserved for value history
+ references. */
+ for (p = name; isdigit (*p); p++)
+ ;
+ if (*p == '\0')
+ error (_("$%s is not a valid trace state variable name"), name);
+
+ for (p = name; isalnum (*p) || *p == '_'; p++)
+ ;
+ if (*p != '\0')
+ error (_("$%s is not a valid trace state variable name"), name);
+}
+
/* The 'tvariable' command collects a name and optional expression to
evaluate into an initial value. */
static void
trace_variable_command (char *args, int from_tty)
{
- struct expression *expr;
struct cleanup *old_chain;
- struct internalvar *intvar = NULL;
LONGEST initval = 0;
struct trace_state_variable *tsv;
+ char *name, *p;
if (!args || !*args)
- error_no_arg (_("trace state variable name"));
+ error_no_arg (_("Syntax is $NAME [ = EXPR ]"));
- /* All the possible valid arguments are expressions. */
- expr = parse_expression (args);
- old_chain = make_cleanup (free_current_contents, &expr);
+ /* Only allow two syntaxes; "$name" and "$name=value". */
+ p = skip_spaces (args);
- if (expr->nelts == 0)
- error (_("No expression?"));
+ if (*p++ != '$')
+ error (_("Name of trace variable should start with '$'"));
- /* Only allow two syntaxes; "$name" and "$name=value". */
- if (expr->elts[0].opcode == OP_INTERNALVAR)
- {
- intvar = expr->elts[1].internalvar;
- }
- else if (expr->elts[0].opcode == BINOP_ASSIGN
- && expr->elts[1].opcode == OP_INTERNALVAR)
- {
- intvar = expr->elts[2].internalvar;
- initval = value_as_long (evaluate_subexpression_type (expr, 4));
- }
- else
+ name = p;
+ while (isalnum (*p) || *p == '_')
+ p++;
+ name = savestring (name, p - name);
+ old_chain = make_cleanup (xfree, name);
+
+ p = skip_spaces (p);
+ if (*p != '=' && *p != '\0')
error (_("Syntax must be $NAME [ = EXPR ]"));
- if (!intvar)
- error (_("No name given"));
+ validate_trace_state_variable_name (name);
- if (strlen (internalvar_name (intvar)) <= 0)
- error (_("Must supply a non-empty variable name"));
+ if (*p == '=')
+ initval = value_as_long (parse_and_eval (++p));
/* If the variable already exists, just change its initial value. */
- tsv = find_trace_state_variable (internalvar_name (intvar));
+ tsv = find_trace_state_variable (name);
if (tsv)
{
- tsv->initial_value = initval;
+ if (tsv->initial_value != initval)
+ {
+ tsv->initial_value = initval;
+ observer_notify_tsv_modified (tsv);
+ }
printf_filtered (_("Trace state variable $%s "
"now has initial value %s.\n"),
tsv->name, plongest (tsv->initial_value));
}
/* Create a new variable. */
- tsv = create_trace_state_variable (internalvar_name (intvar));
+ tsv = create_trace_state_variable (name);
tsv->initial_value = initval;
- observer_notify_tsv_created (tsv->name, initval);
+ observer_notify_tsv_created (tsv);
printf_filtered (_("Trace state variable $%s "
"created, with initial value %s.\n"),
it means that somebody issued the "command" at the top level,
which is always an error. */
-void
+static void
end_actions_pseudocommand (char *args, int from_tty)
{
error (_("This command cannot be used at the top level."));
}
-void
+static void
while_stepping_pseudocommand (char *args, int from_tty)
{
error (_("This command can only be used in a tracepoint actions list."));
if (*line == NULL)
return;
- for (p = *line; isspace ((int) *p);)
- p++;
+ p = skip_spaces (*line);
/* Symbol lookup etc. */
if (*p == '\0') /* empty line: just prompt for another line. */
do
{ /* Repeat over a comma-separated list. */
QUIT; /* Allow user to bail out with ^C. */
- while (isspace ((int) *p))
- p++;
+ p = skip_spaces (p);
if (*p == '$') /* Look for special pseudo-symbols. */
{
do
{ /* Repeat over a comma-separated list. */
QUIT; /* Allow user to bail out with ^C. */
- while (isspace ((int) *p))
- p++;
+ p = skip_spaces (p);
tmp_p = p;
for (loc = t->base.loc; loc; loc = loc->next)
{
char *steparg; /* In case warning is necessary. */
- while (isspace ((int) *p))
- p++;
+ p = skip_spaces (p);
steparg = p;
if (*p == '\0' || (t->step_count = strtol (p, &p, 0)) == 0)
{
QUIT; /* Allow user to bail out with ^C. */
action_exp = action->line;
- while (isspace ((int) *action_exp))
- action_exp++;
+ action_exp = skip_spaces (action_exp);
cmd = lookup_cmd (&action_exp, cmdlist, "", -1, 1);
if (cmd == 0)
do
{ /* Repeat over a comma-separated list. */
QUIT; /* Allow user to bail out with ^C. */
- while (isspace ((int) *action_exp))
- action_exp++;
+ action_exp = skip_spaces (action_exp);
if (0 == strncasecmp ("$reg", action_exp, 4))
{
do
{ /* Repeat over a comma-separated list. */
QUIT; /* Allow user to bail out with ^C. */
- while (isspace ((int) *action_exp))
- action_exp++;
+ action_exp = skip_spaces (action_exp);
{
struct cleanup *old_chain = NULL;
if (status == -1)
{
- if (ts->from_file)
+ if (ts->filename != NULL)
printf_filtered (_("Using a trace file.\n"));
else
{
status = target_get_trace_status (ts);
- if (status == -1 && !ts->from_file)
+ if (status == -1 && ts->filename == NULL)
{
ui_out_field_string (uiout, "supported", "0");
return;
}
- if (ts->from_file)
+ if (ts->filename != NULL)
ui_out_field_string (uiout, "supported", "file");
else if (!on_stop)
ui_out_field_string (uiout, "supported", "1");
+ if (ts->filename != NULL)
+ ui_out_field_string (uiout, "trace-file", ts->filename);
+
gdb_assert (ts->running_known);
if (ts->running)
{ /* This should only be called with a numeric argument. */
int frameno = -1;
- if (current_trace_status ()->running && !current_trace_status ()->from_file)
+ if (current_trace_status ()->running
+ && current_trace_status ()->filename == NULL)
error (_("May not look at trace frames while trace is running."));
if (args == 0 || *args == 0)
{
CORE_ADDR pc;
- if (current_trace_status ()->running && !current_trace_status ()->from_file)
+ if (current_trace_status ()->running
+ && current_trace_status ()->filename == NULL)
error (_("May not look at trace frames while trace is running."));
if (args == 0 || *args == 0)
int tdp;
struct tracepoint *tp;
- if (current_trace_status ()->running && !current_trace_status ()->from_file)
+ if (current_trace_status ()->running
+ && current_trace_status ()->filename == NULL)
error (_("May not look at trace frames while trace is running."));
if (args == 0 || *args == 0)
struct symtab_and_line sal;
struct cleanup *old_chain;
- if (current_trace_status ()->running && !current_trace_status ()->from_file)
+ if (current_trace_status ()->running
+ && current_trace_status ()->filename == NULL)
error (_("May not look at trace frames while trace is running."));
if (args == 0 || *args == 0)
if (start_pc == end_pc)
{
printf_filtered ("Line %d of \"%s\"",
- sal.line, sal.symtab->filename);
+ sal.line,
+ symtab_to_filename_for_display (sal.symtab));
wrap_here (" ");
printf_filtered (" is at address ");
print_address (get_current_arch (), start_pc, gdb_stdout);
which the user would want to see? If we have debugging
symbols and no line numbers? */
error (_("Line number %d is out of range for \"%s\"."),
- sal.line, sal.symtab->filename);
+ sal.line, symtab_to_filename_for_display (sal.symtab));
/* Find within range of stated line. */
if (args && *args)
static CORE_ADDR start, stop;
char *tmp;
- if (current_trace_status ()->running && !current_trace_status ()->from_file)
+ if (current_trace_status ()->running
+ && current_trace_status ()->filename == NULL)
error (_("May not look at trace frames while trace is running."));
if (args == 0 || *args == 0)
if (0 != (tmp = strchr (args, ',')))
{
*tmp++ = '\0'; /* Terminate start address. */
- while (isspace ((int) *tmp))
- tmp++;
+ tmp = skip_spaces (tmp);
start = parse_and_eval_address (args);
stop = parse_and_eval_address (tmp);
}
CORE_ADDR start, stop;
char *tmp;
- if (current_trace_status ()->running && !current_trace_status ()->from_file)
+ if (current_trace_status ()->running
+ && current_trace_status ()->filename == NULL)
error (_("May not look at trace frames while trace is running."));
if (args == 0 || *args == 0)
if (0 != (tmp = strchr (args, ',')))
{
*tmp++ = '\0'; /* Terminate start address. */
- while (isspace ((int) *tmp))
- tmp++;
+ tmp = skip_spaces (tmp);
start = parse_and_eval_address (args);
stop = parse_and_eval_address (tmp);
}
QUIT; /* Allow user to bail out with ^C. */
action_exp = action->line;
- while (isspace ((int) *action_exp))
- action_exp++;
+ action_exp = skip_spaces (action_exp);
/* The collection actions to be done while stepping are
bracketed by the commands "while-stepping" and "end". */
QUIT; /* Allow user to bail out with ^C. */
if (*action_exp == ',')
action_exp++;
- while (isspace ((int) *action_exp))
- action_exp++;
+ action_exp = skip_spaces (action_exp);
next_comma = strchr (action_exp, ',');
tsv->initial_value = utsv->initial_value;
tsv->builtin = utsv->builtin;
- observer_notify_tsv_created (tsv->name, tsv->initial_value);
+ observer_notify_tsv_created (tsv);
do_cleanups (old_chain);
trace_regblock_size = 0;
ts = current_trace_status ();
- /* We know we're working with a file. */
- ts->from_file = 1;
+ /* We know we're working with a file. Record its name. */
+ ts->filename = trace_filename;
/* Set defaults in case there is no status line. */
ts->running_known = 0;
ts->stop_reason = trace_stop_reason_unknown;
static void
tfile_files_info (struct target_ops *t)
{
- /* (it would be useful to mention the name of the file). */
- printf_filtered ("Looking at a trace file.\n");
+ printf_filtered ("\t`%s'\n", trace_filename);
}
/* The trace status for a file is that tracing can never be run. */
((gdb_byte *) &data_size, 4,
gdbarch_byte_order (target_gdbarch ()));
offset += 4;
- switch (type)
+
+ if (type == tfind_number)
{
- case tfind_number:
+ /* Looking for a specific trace frame. */
if (tfnum == num)
found = 1;
- break;
- case tfind_pc:
- tfaddr = tfile_get_traceframe_address (tframe_offset);
- if (tfaddr == addr1)
- found = 1;
- break;
- case tfind_tp:
- tp = get_tracepoint (num);
- if (tp && tpnum == tp->number_on_target)
- found = 1;
- break;
- case tfind_range:
- tfaddr = tfile_get_traceframe_address (tframe_offset);
- if (addr1 <= tfaddr && tfaddr <= addr2)
- found = 1;
- break;
- case tfind_outside:
- tfaddr = tfile_get_traceframe_address (tframe_offset);
- if (!(addr1 <= tfaddr && tfaddr <= addr2))
- found = 1;
- break;
- default:
- internal_error (__FILE__, __LINE__, _("unknown tfind type"));
}
+ else
+ {
+ /* Start from the _next_ trace frame. */
+ if (tfnum > traceframe_number)
+ {
+ switch (type)
+ {
+ case tfind_pc:
+ tfaddr = tfile_get_traceframe_address (tframe_offset);
+ if (tfaddr == addr1)
+ found = 1;
+ break;
+ case tfind_tp:
+ tp = get_tracepoint (num);
+ if (tp && tpnum == tp->number_on_target)
+ found = 1;
+ break;
+ case tfind_range:
+ tfaddr = tfile_get_traceframe_address (tframe_offset);
+ if (addr1 <= tfaddr && tfaddr <= addr2)
+ found = 1;
+ break;
+ case tfind_outside:
+ tfaddr = tfile_get_traceframe_address (tframe_offset);
+ if (!(addr1 <= tfaddr && tfaddr <= addr2))
+ found = 1;
+ break;
+ default:
+ internal_error (__FILE__, __LINE__, _("unknown tfind type"));
+ }
+ }
+ }
+
if (found)
{
if (tpp)
unsigned short mlen;
tfile_read ((gdb_byte *) &maddr, 8);
+ maddr = extract_unsigned_integer ((gdb_byte *) &maddr, 8,
+ gdbarch_byte_order
+ (target_gdbarch ()));
tfile_read ((gdb_byte *) &mlen, 2);
+ mlen = (unsigned short)
+ extract_unsigned_integer ((gdb_byte *) &mlen,
+ 2, gdbarch_byte_order
+ (target_gdbarch ()));
r = VEC_safe_push (mem_range_s, info->memory, NULL);
if (sal.symtab != NULL)
{
- ui_out_field_string (uiout, "file", sal.symtab->filename);
+ ui_out_field_string (uiout, "file",
+ symtab_to_filename_for_display (sal.symtab));
ui_out_text (uiout, ":");
if (ui_out_is_mi_like_p (uiout))
{
const char *fullname = symtab_to_fullname (sal.symtab);
- if (fullname)
- ui_out_field_string (uiout, "fullname", fullname);
+ ui_out_field_string (uiout, "fullname", fullname);
}
else
ui_out_field_skip (uiout, "fullname");
projects / deliverable / binutils-gdb.git / blobdiff