#include <algorithm>
#include "common/scoped_restore.h"
#include "environ.h"
+#include "common/byte-vector.h"
/* Temp hacks for tracepoint encoding migration. */
static char *target_buf;
char *name;
int core;
+ /* Thread handle, perhaps a pthread_t or thread_t value, stored as a
+ sequence of bytes. */
+ gdb::byte_vector *thread_handle;
+
/* Whether the target stopped for a breakpoint/watchpoint. */
enum target_stop_reason stop_reason;
{
xfree (info->extra);
xfree (info->name);
+ delete info->thread_handle;
xfree (info);
}
priv->last_resume_step = 0;
priv->last_resume_sig = GDB_SIGNAL_0;
priv->vcont_resumed = 0;
+ priv->thread_handle = nullptr;
}
return thread->priv;
/* The core the thread was running on. -1 if not known. */
int core;
+
+ /* The thread handle associated with the thread. */
+ gdb::byte_vector *thread_handle;
+
} thread_item_t;
DEF_VEC_O(thread_item_t);
{
xfree (item->extra);
xfree (item->name);
+ delete item->thread_handle;
}
VEC_free (thread_item_t, context->items);
item.core = -1;
item.name = NULL;
item.extra = NULL;
+ item.thread_handle = nullptr;
VEC_safe_push (thread_item_t, context->items, &item);
attr = xml_find_attribute (attributes, "name");
item.name = attr != NULL ? xstrdup ((const char *) attr->value) : NULL;
+ attr = xml_find_attribute (attributes, "handle");
+ if (attr != NULL)
+ {
+ item.thread_handle = new gdb::byte_vector
+ (strlen ((const char *) attr->value) / 2);
+ hex2bin ((const char *) attr->value, item.thread_handle->data (),
+ item.thread_handle->size ());
+ }
+ else
+ item.thread_handle = nullptr;
+
item.extra = 0;
VEC_safe_push (thread_item_t, data->items, &item);
{ "id", GDB_XML_AF_NONE, NULL, NULL },
{ "core", GDB_XML_AF_OPTIONAL, gdb_xml_parse_attr_ulongest, NULL },
{ "name", GDB_XML_AF_OPTIONAL, NULL, NULL },
+ { "handle", GDB_XML_AF_OPTIONAL, NULL, NULL },
{ NULL, GDB_XML_AF_NONE, NULL, NULL }
};
item.core = -1;
item.name = NULL;
item.extra = NULL;
+ item.thread_handle = nullptr;
VEC_safe_push (thread_item_t, context->items, &item);
}
item->extra = NULL;
info->name = item->name;
item->name = NULL;
+ info->thread_handle = item->thread_handle;
+ item->thread_handle = nullptr;
}
}
}
return rs->last_resume_exec_dir;
}
+/* Return pointer to the thread_info struct which corresponds to
+ THREAD_HANDLE (having length HANDLE_LEN). */
+
+static struct thread_info *
+remote_thread_handle_to_thread_info (struct target_ops *ops,
+ const gdb_byte *thread_handle,
+ int handle_len,
+ struct inferior *inf)
+{
+ struct thread_info *tp;
+
+ ALL_NON_EXITED_THREADS (tp)
+ {
+ struct private_thread_info *priv = get_private_info_thread (tp);
+
+ if (tp->inf == inf && priv != NULL)
+ {
+ if (handle_len != priv->thread_handle->size ())
+ error (_("Thread handle size mismatch: %d vs %zu (from remote)"),
+ handle_len, priv->thread_handle->size ());
+ if (memcmp (thread_handle, priv->thread_handle->data (),
+ handle_len) == 0)
+ return tp;
+ }
+ }
+
+ return NULL;
+}
+
static void
init_remote_ops (void)
{
remote_ops.to_insert_exec_catchpoint = remote_insert_exec_catchpoint;
remote_ops.to_remove_exec_catchpoint = remote_remove_exec_catchpoint;
remote_ops.to_execution_direction = remote_execution_direction;
+ remote_ops.to_thread_handle_to_thread_info =
+ remote_thread_handle_to_thread_info;
}
/* Set up the extended remote vector by making a copy of the standard