/* MI Command Set.
- Copyright (C) 2000-2017 Free Software Foundation, Inc.
+ Copyright (C) 2000-2018 Free Software Foundation, Inc.
Contributed by Cygnus Solutions (a Red Hat company).
#include "linespec.h"
#include "extension.h"
#include "gdbcmd.h"
-#include "observer.h"
+#include "observable.h"
#include "common/gdb_optional.h"
#include "common/byte-vector.h"
#include "common/rsp-low.h"
#include <algorithm>
#include <set>
+#include <map>
enum
{
const char *args);
static void mi_execute_async_cli_command (const char *cli_command,
char **argv, int argc);
-static int register_changed_p (int regnum, struct regcache *,
- struct regcache *);
+static bool register_changed_p (int regnum, readonly_detached_regcache *,
+ readonly_detached_regcache *);
static void output_register (struct frame_info *, int regnum, int format,
int skip_unavailable);
static int mi_async_1 = 0;
static void
-set_mi_async_command (char *args, int from_tty,
+set_mi_async_command (const char *args, int from_tty,
struct cmd_list_element *c)
{
if (have_live_inferiors ())
/* Notify if the thread has effectively changed. */
if (!ptid_equal (inferior_ptid, previous_ptid))
{
- observer_notify_user_selected_context_changed (USER_SELECTED_THREAD
- | USER_SELECTED_FRAME);
+ gdb::observers::user_selected_context_changed.notify
+ (USER_SELECTED_THREAD | USER_SELECTED_FRAME);
}
}
uiout->field_string (NULL, p);
}
-static void
-free_vector_of_osdata_items (splay_tree_value xvalue)
-{
- VEC (osdata_item_s) *value = (VEC (osdata_item_s) *) xvalue;
-
- /* We don't free the items itself, it will be done separately. */
- VEC_free (osdata_item_s, value);
-}
-
-static int
-splay_tree_int_comparator (splay_tree_key xa, splay_tree_key xb)
-{
- int a = xa;
- int b = xb;
-
- return a - b;
-}
-
static void
list_available_thread_groups (const std::set<int> &ids, int recurse)
{
- struct osdata *data;
- struct osdata_item *item;
- int ix_items;
struct ui_out *uiout = current_uiout;
- struct cleanup *cleanup;
- /* This keeps a map from integer (pid) to VEC (struct osdata_item *)*
- The vector contains information about all threads for the given pid.
- This is assigned an initial value to avoid "may be used uninitialized"
- warning from gcc. */
- gdb_splay_tree_up tree;
+ /* This keeps a map from integer (pid) to vector of struct osdata_item.
+ The vector contains information about all threads for the given pid. */
+ std::map<int, std::vector<osdata_item>> tree;
/* get_osdata will throw if it cannot return data. */
- data = get_osdata ("processes");
- cleanup = make_cleanup_osdata_free (data);
+ std::unique_ptr<osdata> data = get_osdata ("processes");
if (recurse)
{
- struct osdata *threads = get_osdata ("threads");
-
- make_cleanup_osdata_free (threads);
- tree.reset (splay_tree_new (splay_tree_int_comparator,
- NULL,
- free_vector_of_osdata_items));
+ std::unique_ptr<osdata> threads = get_osdata ("threads");
- for (ix_items = 0;
- VEC_iterate (osdata_item_s, threads->items,
- ix_items, item);
- ix_items++)
+ for (const osdata_item &item : threads->items)
{
- const char *pid = get_osdata_column (item, "pid");
- int pid_i = strtoul (pid, NULL, 0);
- VEC (osdata_item_s) *vec = 0;
+ const std::string *pid = get_osdata_column (item, "pid");
+ int pid_i = strtoul (pid->c_str (), NULL, 0);
- splay_tree_node n = splay_tree_lookup (tree.get (), pid_i);
- if (!n)
- {
- VEC_safe_push (osdata_item_s, vec, item);
- splay_tree_insert (tree.get (), pid_i, (splay_tree_value)vec);
- }
- else
- {
- vec = (VEC (osdata_item_s) *) n->value;
- VEC_safe_push (osdata_item_s, vec, item);
- n->value = (splay_tree_value) vec;
- }
+ tree[pid_i].push_back (item);
}
}
ui_out_emit_list list_emitter (uiout, "groups");
- for (ix_items = 0;
- VEC_iterate (osdata_item_s, data->items,
- ix_items, item);
- ix_items++)
+ for (const osdata_item &item : data->items)
{
- const char *pid = get_osdata_column (item, "pid");
- const char *cmd = get_osdata_column (item, "command");
- const char *user = get_osdata_column (item, "user");
- const char *cores = get_osdata_column (item, "cores");
+ const std::string *pid = get_osdata_column (item, "pid");
+ const std::string *cmd = get_osdata_column (item, "command");
+ const std::string *user = get_osdata_column (item, "user");
+ const std::string *cores = get_osdata_column (item, "cores");
- int pid_i = strtoul (pid, NULL, 0);
+ int pid_i = strtoul (pid->c_str (), NULL, 0);
/* At present, the target will return all available processes
and if information about specific ones was required, we filter
ui_out_emit_tuple tuple_emitter (uiout, NULL);
- uiout->field_fmt ("id", "%s", pid);
+ uiout->field_fmt ("id", "%s", pid->c_str ());
uiout->field_string ("type", "process");
if (cmd)
- uiout->field_string ("description", cmd);
+ uiout->field_string ("description", cmd->c_str ());
if (user)
- uiout->field_string ("user", user);
+ uiout->field_string ("user", user->c_str ());
if (cores)
- output_cores (uiout, "cores", cores);
+ output_cores (uiout, "cores", cores->c_str ());
if (recurse)
{
- splay_tree_node n = splay_tree_lookup (tree.get (), pid_i);
- if (n)
+ auto n = tree.find (pid_i);
+ if (n != tree.end ())
{
- VEC (osdata_item_s) *children = (VEC (osdata_item_s) *) n->value;
- struct osdata_item *child;
- int ix_child;
+ std::vector<osdata_item> &children = n->second;
ui_out_emit_list thread_list_emitter (uiout, "threads");
- for (ix_child = 0;
- VEC_iterate (osdata_item_s, children, ix_child, child);
- ++ix_child)
+ for (const osdata_item &child : children)
{
ui_out_emit_tuple tuple_emitter (uiout, NULL);
- const char *tid = get_osdata_column (child, "tid");
- const char *tcore = get_osdata_column (child, "core");
+ const std::string *tid = get_osdata_column (child, "tid");
+ const std::string *tcore = get_osdata_column (child, "core");
- uiout->field_string ("id", tid);
+ uiout->field_string ("id", tid->c_str ());
if (tcore)
- uiout->field_string ("core", tcore);
+ uiout->field_string ("core", tcore->c_str ());
}
}
}
}
-
- do_cleanups (cleanup);
}
void
void
mi_cmd_data_list_changed_registers (const char *command, char **argv, int argc)
{
- static std::unique_ptr<struct regcache> this_regs;
+ static std::unique_ptr<readonly_detached_regcache> this_regs;
struct ui_out *uiout = current_uiout;
- std::unique_ptr<struct regcache> prev_regs;
+ std::unique_ptr<readonly_detached_regcache> prev_regs;
struct gdbarch *gdbarch;
- int regnum, numregs, changed;
+ int regnum, numregs;
int i;
/* The last time we visited this function, the current frame's
will change depending upon the particular processor being
debugged. */
- gdbarch = get_regcache_arch (this_regs.get ());
+ gdbarch = this_regs->arch ();
numregs = gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch);
ui_out_emit_list list_emitter (uiout, "changed-registers");
if (gdbarch_register_name (gdbarch, regnum) == NULL
|| *(gdbarch_register_name (gdbarch, regnum)) == '\0')
continue;
- changed = register_changed_p (regnum, prev_regs.get (),
- this_regs.get ());
- if (changed < 0)
- error (_("-data-list-changed-registers: "
- "Unable to read register contents."));
- else if (changed)
+
+ if (register_changed_p (regnum, prev_regs.get (),
+ this_regs.get ()))
uiout->field_int (NULL, regnum);
}
}
&& gdbarch_register_name (gdbarch, regnum) != NULL
&& *gdbarch_register_name (gdbarch, regnum) != '\000')
{
- changed = register_changed_p (regnum, prev_regs.get (),
- this_regs.get ());
- if (changed < 0)
- error (_("-data-list-changed-registers: "
- "Unable to read register contents."));
- else if (changed)
+ if (register_changed_p (regnum, prev_regs.get (),
+ this_regs.get ()))
uiout->field_int (NULL, regnum);
}
else
}
}
-static int
-register_changed_p (int regnum, struct regcache *prev_regs,
- struct regcache *this_regs)
+static bool
+register_changed_p (int regnum, readonly_detached_regcache *prev_regs,
+ readonly_detached_regcache *this_regs)
{
- struct gdbarch *gdbarch = get_regcache_arch (this_regs);
+ struct gdbarch *gdbarch = this_regs->arch ();
struct value *prev_value, *this_value;
- int ret;
/* First time through or after gdbarch change consider all registers
as changed. */
- if (!prev_regs || get_regcache_arch (prev_regs) != gdbarch)
- return 1;
+ if (!prev_regs || prev_regs->arch () != gdbarch)
+ return true;
/* Get register contents and compare. */
prev_value = prev_regs->cooked_read_value (regnum);
gdb_assert (prev_value != NULL);
gdb_assert (this_value != NULL);
- ret = value_contents_eq (prev_value, 0, this_value, 0,
- register_size (gdbarch, regnum)) == 0;
+ auto ret = !value_contents_eq (prev_value, 0, this_value, 0,
+ register_size (gdbarch, regnum));
release_value (prev_value);
release_value (this_value);
debugged. */
regcache = get_current_regcache ();
- gdbarch = get_regcache_arch (regcache);
+ gdbarch = regcache->arch ();
numregs = gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch);
if (argc == 0)
if (report_change)
{
- observer_notify_user_selected_context_changed
- (USER_SELECTED_THREAD | USER_SELECTED_FRAME);
+ gdb::observers::user_selected_context_changed.notify
+ (USER_SELECTED_THREAD | USER_SELECTED_FRAME);
}
}
}
/* FIXME: gdb_???? */
fprintf_unfiltered (gdb_stdout, "cli=%s run=%s\n",
cmd, run.c_str ());
- execute_command (&run[0], 0 /* from_tty */ );
+ execute_command (run.c_str (), 0 /* from_tty */ );
}
}
if (mi_async_p ())
run += "&";
- execute_command (&run[0], 0 /* from_tty */ );
+ execute_command (run.c_str (), 0 /* from_tty */ );
}
void
/* Explicitly wholly collected variables. */
{
- int i;
-
ui_out_emit_list list_emitter (uiout, "explicit-variables");
const std::vector<std::string> &wholly_collected
= clist->wholly_collected ();
/* Computed expressions. */
{
- char *p;
- int i;
-
ui_out_emit_list list_emitter (uiout, "computed-expressions");
const std::vector<std::string> &computed = clist->computed ();
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