Remove VEC(tsv_s), use std::vector instead
This patch removes VEC(tsv_s), using an std::vector instead. I C++ified trace_state_variable a bit in the process, using std::string for the name. I also thought it would be nicer to pass a const reference to target_download_trace_state_variable, since we know it will never be NULL. This highlighted that the make-target-delegates script didn't handle references well, so I adjusted this as well. It will surely be useful in the future. gdb/ChangeLog: * tracepoint.h (struct trace_state_variable): Add constructor. <name>: Change type to std::string. * tracepoint.c (tsv_s): Remove. (DEF_VEC_O(tsv_s)): Remove. (tvariables): Change to std::vector. (create_trace_state_variable): Adjust to std::vector. (find_trace_state_variable): Likewise. (find_trace_state_variable_by_number): Likewise. (delete_trace_state_variable): Likewise. (trace_variable_command): Adjust to std::string. (delete_trace_variable_command): Likewise. (tvariables_info_1): Adjust to std::vector. (save_trace_state_variables): Likewise. (start_tracing): Likewise. (merge_uploaded_trace_state_variables): Adjust to std::vector and std::string. * target.h (struct target_ops) <to_download_trace_state_variable>: Pass reference to trace_state_variable. * target-debug.h (target_debug_print_const_trace_state_variable_r): New. * target-delegates.c: Re-generate. * mi/mi-interp.c (mi_tsv_created): Adjust to std::string. (mi_tsv_deleted): Likewise. * mi/mi-main.c (mi_cmd_trace_frame_collected): Likewise. * remote.c (remote_download_trace_state_variable): Change pointer to reference and adjust. * make-target-delegates (parse_argtypes): Handle references. (write_function_header): Likewise. (munge_type): Likewise.
This commit is contained in:
parent
c9638d2669
commit
c252925ccc
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@ -1,3 +1,35 @@
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2018-04-09 Simon Marchi <simon.marchi@polymtl.ca>
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* tracepoint.h (struct trace_state_variable): Add constructor.
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<name>: Change type to std::string.
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* tracepoint.c (tsv_s): Remove.
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(DEF_VEC_O(tsv_s)): Remove.
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(tvariables): Change to std::vector.
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(create_trace_state_variable): Adjust to std::vector.
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(find_trace_state_variable): Likewise.
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(find_trace_state_variable_by_number): Likewise.
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(delete_trace_state_variable): Likewise.
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(trace_variable_command): Adjust to std::string.
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(delete_trace_variable_command): Likewise.
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(tvariables_info_1): Adjust to std::vector.
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(save_trace_state_variables): Likewise.
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(start_tracing): Likewise.
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(merge_uploaded_trace_state_variables): Adjust to std::vector
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and std::string.
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* target.h (struct target_ops)
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<to_download_trace_state_variable>: Pass reference to
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trace_state_variable.
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* target-debug.h (target_debug_print_const_trace_state_variable_r): New.
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* target-delegates.c: Re-generate.
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* mi/mi-interp.c (mi_tsv_created): Adjust to std::string.
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(mi_tsv_deleted): Likewise.
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* mi/mi-main.c (mi_cmd_trace_frame_collected): Likewise.
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* remote.c (remote_download_trace_state_variable): Change
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pointer to reference and adjust.
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* make-target-delegates (parse_argtypes): Handle references.
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(write_function_header): Likewise.
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(munge_type): Likewise.
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2018-04-09 Simon Marchi <simon.marchi@polymtl.ca>
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* Makefile.in (SUBDIR_UNITTESTS_SRCS): Add
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@ -115,7 +115,7 @@ sub parse_argtypes($) {
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foreach $iter (@typelist) {
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if ($iter =~ m/^(enum\s+${SYMBOL}\s*)(${SYMBOL})?$/) {
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$onetype = $1;
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} elsif ($iter =~ m/^(.*(enum\s+)?${SYMBOL}.*(\s|\*))${SYMBOL}+$/) {
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} elsif ($iter =~ m/^(.*(enum\s+)?${SYMBOL}.*(\s|\*|&))${SYMBOL}+$/) {
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$onetype = $1;
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} elsif ($iter eq 'void') {
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next;
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@ -151,7 +151,7 @@ sub write_function_header($$@) {
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$val =~ s/$TARGET_DEBUG_PRINTER//;
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if ($iter !~ m,\*$,) {
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if ($iter !~ m,(\*|&)$,) {
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$val .= ' ';
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}
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@ -234,6 +234,7 @@ sub munge_type($) {
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($result = $typename) =~ s/\s+$//;
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$result =~ s/[ ()<>:]/_/g;
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$result =~ s/[*]/p/g;
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$result =~ s/&/r/g;
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# Identifers with double underscores are reserved to the C++
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# implementation.
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@ -760,7 +760,7 @@ mi_tsv_created (const struct trace_state_variable *tsv)
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fprintf_unfiltered (mi->event_channel, "tsv-created,"
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"name=\"%s\",initial=\"%s\"\n",
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tsv->name, plongest (tsv->initial_value));
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tsv->name.c_str (), plongest (tsv->initial_value));
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gdb_flush (mi->event_channel);
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}
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@ -783,7 +783,7 @@ mi_tsv_deleted (const struct trace_state_variable *tsv)
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if (tsv != NULL)
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fprintf_unfiltered (mi->event_channel, "tsv-deleted,"
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"name=\"%s\"\n", tsv->name);
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"name=\"%s\"\n", tsv->name.c_str ());
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else
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fprintf_unfiltered (mi->event_channel, "tsv-deleted\n");
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@ -2665,7 +2665,7 @@ mi_cmd_trace_frame_collected (const char *command, char **argv, int argc)
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if (tsv != NULL)
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{
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uiout->field_fmt ("name", "$%s", tsv->name);
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uiout->field_fmt ("name", "$%s", tsv->name.c_str ());
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tsv->value_known = target_get_trace_state_variable_value (tsv->number,
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&tsv->value);
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10
gdb/remote.c
10
gdb/remote.c
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@ -12448,18 +12448,18 @@ remote_can_download_tracepoint (struct target_ops *self)
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static void
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remote_download_trace_state_variable (struct target_ops *self,
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struct trace_state_variable *tsv)
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const trace_state_variable &tsv)
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{
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struct remote_state *rs = get_remote_state ();
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char *p;
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xsnprintf (rs->buf, get_remote_packet_size (), "QTDV:%x:%s:%x:",
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tsv->number, phex ((ULONGEST) tsv->initial_value, 8),
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tsv->builtin);
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tsv.number, phex ((ULONGEST) tsv.initial_value, 8),
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tsv.builtin);
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p = rs->buf + strlen (rs->buf);
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if ((p - rs->buf) + strlen (tsv->name) * 2 >= get_remote_packet_size ())
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if ((p - rs->buf) + tsv.name.length () * 2 >= get_remote_packet_size ())
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error (_("Trace state variable name too long for tsv definition packet"));
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p += 2 * bin2hex ((gdb_byte *) (tsv->name), p, strlen (tsv->name));
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p += 2 * bin2hex ((gdb_byte *) (tsv.name.data ()), p, tsv.name.length ());
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*p++ = '\0';
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putpkt (rs->buf);
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remote_get_noisy_reply ();
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@ -126,6 +126,8 @@
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target_debug_do_print (host_address_to_string (X))
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#define target_debug_print_struct_trace_state_variable_p(X) \
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target_debug_do_print (host_address_to_string (X))
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#define target_debug_print_const_trace_state_variable_r(X) \
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target_debug_do_print (host_address_to_string (&X))
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#define target_debug_print_struct_trace_status_p(X) \
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target_debug_do_print (host_address_to_string (X))
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#define target_debug_print_struct_breakpoint_p(X) \
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@ -2687,27 +2687,27 @@ debug_can_download_tracepoint (struct target_ops *self)
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}
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static void
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delegate_download_trace_state_variable (struct target_ops *self, struct trace_state_variable *arg1)
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delegate_download_trace_state_variable (struct target_ops *self, const trace_state_variable &arg1)
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{
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self = self->beneath;
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self->to_download_trace_state_variable (self, arg1);
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}
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static void
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tdefault_download_trace_state_variable (struct target_ops *self, struct trace_state_variable *arg1)
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tdefault_download_trace_state_variable (struct target_ops *self, const trace_state_variable &arg1)
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{
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tcomplain ();
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}
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static void
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debug_download_trace_state_variable (struct target_ops *self, struct trace_state_variable *arg1)
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debug_download_trace_state_variable (struct target_ops *self, const trace_state_variable &arg1)
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{
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fprintf_unfiltered (gdb_stdlog, "-> %s->to_download_trace_state_variable (...)\n", debug_target.to_shortname);
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debug_target.to_download_trace_state_variable (&debug_target, arg1);
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fprintf_unfiltered (gdb_stdlog, "<- %s->to_download_trace_state_variable (", debug_target.to_shortname);
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target_debug_print_struct_target_ops_p (&debug_target);
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fputs_unfiltered (", ", gdb_stdlog);
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target_debug_print_struct_trace_state_variable_p (arg1);
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target_debug_print_const_trace_state_variable_r (arg1);
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fputs_unfiltered (")\n", gdb_stdlog);
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}
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@ -957,7 +957,7 @@ struct target_ops
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/* Send full details of a trace state variable to the target. */
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void (*to_download_trace_state_variable) (struct target_ops *,
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struct trace_state_variable *tsv)
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const trace_state_variable &tsv)
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TARGET_DEFAULT_NORETURN (tcomplain ());
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/* Enable a tracepoint on the target. */
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112
gdb/tracepoint.c
112
gdb/tracepoint.c
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any of these for any reason - API is by name or number only - so it
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works to have a vector of objects. */
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typedef struct trace_state_variable tsv_s;
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DEF_VEC_O(tsv_s);
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static VEC(tsv_s) *tvariables;
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static std::vector<trace_state_variable> tvariables;
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/* The next integer to assign to a variable. */
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struct trace_state_variable *
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create_trace_state_variable (const char *name)
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{
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struct trace_state_variable tsv;
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memset (&tsv, 0, sizeof (tsv));
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tsv.name = xstrdup (name);
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tsv.number = next_tsv_number++;
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return VEC_safe_push (tsv_s, tvariables, &tsv);
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tvariables.emplace_back (name, next_tsv_number++);
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return &tvariables.back ();
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}
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/* Look for a trace state variable of the given name. */
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struct trace_state_variable *
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find_trace_state_variable (const char *name)
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{
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struct trace_state_variable *tsv;
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int ix;
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for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
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if (strcmp (name, tsv->name) == 0)
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return tsv;
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for (trace_state_variable &tsv : tvariables)
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if (tsv.name == name)
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return &tsv;
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return NULL;
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}
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struct trace_state_variable *
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find_trace_state_variable_by_number (int number)
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{
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struct trace_state_variable *tsv;
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int ix;
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for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
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if (tsv->number == number)
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return tsv;
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for (trace_state_variable &tsv : tvariables)
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if (tsv.number == number)
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return &tsv;
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return NULL;
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}
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static void
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delete_trace_state_variable (const char *name)
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{
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struct trace_state_variable *tsv;
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int ix;
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for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
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if (strcmp (name, tsv->name) == 0)
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for (auto it = tvariables.begin (); it != tvariables.end (); it++)
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if (it->name == name)
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{
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gdb::observers::tsv_deleted.notify (tsv);
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xfree ((void *)tsv->name);
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VEC_unordered_remove (tsv_s, tvariables, ix);
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gdb::observers::tsv_deleted.notify (&*it);
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tvariables.erase (it);
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return;
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}
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}
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printf_filtered (_("Trace state variable $%s "
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"now has initial value %s.\n"),
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tsv->name, plongest (tsv->initial_value));
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tsv->name.c_str (), plongest (tsv->initial_value));
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return;
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}
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printf_filtered (_("Trace state variable $%s "
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"created, with initial value %s.\n"),
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tsv->name, plongest (tsv->initial_value));
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tsv->name.c_str (), plongest (tsv->initial_value));
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}
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static void
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@ -415,7 +396,7 @@ delete_trace_variable_command (const char *args, int from_tty)
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if (args == NULL)
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{
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if (query (_("Delete all trace state variables? ")))
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VEC_free (tsv_s, tvariables);
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tvariables.clear ();
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dont_repeat ();
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gdb::observers::tsv_deleted.notify (NULL);
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return;
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@ -437,41 +418,38 @@ delete_trace_variable_command (const char *args, int from_tty)
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void
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tvariables_info_1 (void)
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{
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struct trace_state_variable *tsv;
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int ix;
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int count = 0;
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struct ui_out *uiout = current_uiout;
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if (VEC_length (tsv_s, tvariables) == 0 && !uiout->is_mi_like_p ())
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if (tvariables.empty () && !uiout->is_mi_like_p ())
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{
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printf_filtered (_("No trace state variables.\n"));
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return;
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}
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/* Try to acquire values from the target. */
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for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix, ++count)
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tsv->value_known = target_get_trace_state_variable_value (tsv->number,
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&(tsv->value));
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for (trace_state_variable &tsv : tvariables)
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tsv.value_known
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= target_get_trace_state_variable_value (tsv.number, &tsv.value);
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ui_out_emit_table table_emitter (uiout, 3, count, "trace-variables");
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ui_out_emit_table table_emitter (uiout, 3, tvariables.size (),
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"trace-variables");
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uiout->table_header (15, ui_left, "name", "Name");
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uiout->table_header (11, ui_left, "initial", "Initial");
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uiout->table_header (11, ui_left, "current", "Current");
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uiout->table_body ();
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for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
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for (const trace_state_variable &tsv : tvariables)
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{
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const char *c;
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ui_out_emit_tuple tuple_emitter (uiout, "variable");
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std::string name = std::string ("$") + tsv->name;
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uiout->field_string ("name", name.c_str ());
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uiout->field_string ("initial", plongest (tsv->initial_value));
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uiout->field_string ("name", std::string ("$") + tsv.name);
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uiout->field_string ("initial", plongest (tsv.initial_value));
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if (tsv->value_known)
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c = plongest (tsv->value);
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if (tsv.value_known)
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c = plongest (tsv.value);
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else if (uiout->is_mi_like_p ())
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/* For MI, we prefer not to use magic string constants, but rather
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omit the field completely. The difference between unknown and
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@ -502,14 +480,11 @@ info_tvariables_command (const char *args, int from_tty)
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void
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save_trace_state_variables (struct ui_file *fp)
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{
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struct trace_state_variable *tsv;
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int ix;
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for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
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for (const trace_state_variable &tsv : tvariables)
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{
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fprintf_unfiltered (fp, "tvariable $%s", tsv->name);
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if (tsv->initial_value)
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fprintf_unfiltered (fp, " = %s", plongest (tsv->initial_value));
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fprintf_unfiltered (fp, "tvariable $%s", tsv.name.c_str ());
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if (tsv.initial_value)
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fprintf_unfiltered (fp, " = %s", plongest (tsv.initial_value));
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fprintf_unfiltered (fp, "\n");
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}
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}
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@ -1664,10 +1639,8 @@ start_tracing (const char *notes)
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VEC_free (breakpoint_p, tp_vec);
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/* Send down all the trace state variables too. */
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for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
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{
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target_download_trace_state_variable (tsv);
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}
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for (const trace_state_variable &tsv : tvariables)
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target_download_trace_state_variable (tsv);
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/* Tell target to treat text-like sections as transparent. */
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target_trace_set_readonly_regions ();
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@ -3268,8 +3241,8 @@ merge_uploaded_trace_state_variables (struct uploaded_tsv **uploaded_tsvs)
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/* Most likely some numbers will have to be reassigned as part of
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the merge, so clear them all in anticipation. */
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for (ix = 0; VEC_iterate (tsv_s, tvariables, ix, tsv); ++ix)
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tsv->number = 0;
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for (trace_state_variable &tsv : tvariables)
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tsv.number = 0;
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for (utsv = *uploaded_tsvs; utsv; utsv = utsv->next)
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{
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@ -3279,7 +3252,7 @@ merge_uploaded_trace_state_variables (struct uploaded_tsv **uploaded_tsvs)
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if (info_verbose)
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||||
printf_filtered (_("Assuming trace state variable $%s "
|
||||
"is same as target's variable %d.\n"),
|
||||
tsv->name, utsv->number);
|
||||
tsv->name.c_str (), utsv->number);
|
||||
}
|
||||
else
|
||||
{
|
||||
|
@ -3287,7 +3260,7 @@ merge_uploaded_trace_state_variables (struct uploaded_tsv **uploaded_tsvs)
|
|||
if (info_verbose)
|
||||
printf_filtered (_("Created trace state variable "
|
||||
"$%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)
|
||||
|
@ -3296,14 +3269,13 @@ merge_uploaded_trace_state_variables (struct uploaded_tsv **uploaded_tsvs)
|
|||
|
||||
/* 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);
|
||||
}
|
||||
|
|
|
@ -47,29 +47,33 @@ typedef std::unique_ptr<traceframe_info> traceframe_info_up;
|
|||
tracepoints. */
|
||||
|
||||
struct trace_state_variable
|
||||
{
|
||||
/* The variable's name. The user has to prefix with a dollar sign,
|
||||
but we don't store that internally. */
|
||||
const char *name;
|
||||
{
|
||||
trace_state_variable (std::string &&name_, int number_)
|
||||
: name (name_), number (number_)
|
||||
{}
|
||||
|
||||
/* An id number assigned by GDB, and transmitted to targets. */
|
||||
int number;
|
||||
/* The variable's name. The user has to prefix with a dollar sign,
|
||||
but we don't store that internally. */
|
||||
std::string name;
|
||||
|
||||
/* The initial value of a variable is a 64-bit signed integer. */
|
||||
LONGEST initial_value;
|
||||
/* An id number assigned by GDB, and transmitted to targets. */
|
||||
int number = 0;
|
||||
|
||||
/* 1 if the value is known, else 0. The value is known during a
|
||||
trace run, or in tfind mode if the variable was collected into
|
||||
the current trace frame. */
|
||||
int value_known;
|
||||
/* The initial value of a variable is a 64-bit signed integer. */
|
||||
LONGEST initial_value = 0;
|
||||
|
||||
/* The value of a variable is a 64-bit signed integer. */
|
||||
LONGEST value;
|
||||
/* 1 if the value is known, else 0. The value is known during a
|
||||
trace run, or in tfind mode if the variable was collected into
|
||||
the current trace frame. */
|
||||
int value_known = 0;
|
||||
|
||||
/* This is true for variables that are predefined and built into
|
||||
the target. */
|
||||
int builtin;
|
||||
};
|
||||
/* The value of a variable is a 64-bit signed integer. */
|
||||
LONGEST value = 0;
|
||||
|
||||
/* This is true for variables that are predefined and built into
|
||||
the target. */
|
||||
int builtin = 0;
|
||||
};
|
||||
|
||||
/* The trace status encompasses various info about the general state
|
||||
of the tracing run. */
|
||||
|
|
Loading…
Reference in New Issue