You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
-Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "symtab.h"
#include "environ.h"
#include "value.h"
#include "target.h"
-#include "thread.h"
+#include "gdbthread.h"
#include "command.h"
+#include "gdbcmd.h"
+#include <ctype.h>
#include <sys/types.h>
#include <signal.h>
struct thread_info *next;
int pid; /* Actual process id */
int num; /* Convenient handle */
+ CORE_ADDR prev_pc; /* State from wait_for_inferior */
+ CORE_ADDR prev_func_start;
+ char *prev_func_name;
+ struct breakpoint *step_resume_breakpoint;
+ struct breakpoint *through_sigtramp_breakpoint;
+ CORE_ADDR step_range_start;
+ CORE_ADDR step_range_end;
+ CORE_ADDR step_frame_address;
+ int trap_expected;
+ int handling_longjmp;
+ int another_trap;
};
static struct thread_info *thread_list = NULL;
static int highest_thread_num;
-static void thread_command PARAMS ((char * tidstr, int from_tty));
+static void
+thread_command PARAMS ((char * tidstr, int from_tty));
+
+static void
+prune_threads PARAMS ((void));
+
+static void
+thread_switch PARAMS ((int pid));
+
+static struct thread_info *
+find_thread_id PARAMS ((int num));
+
+static void
+info_threads_command PARAMS ((char *, int));
-static void prune_threads PARAMS ((void));
+static void
+restore_current_thread PARAMS ((int));
-static void thread_switch PARAMS ((int pid));
+static void
+thread_apply_all_command PARAMS ((char *, int));
-static struct thread_info * find_thread_id PARAMS ((int num));
+static void
+thread_apply_command PARAMS ((char *, int));
void
init_thread_list ()
tp->pid = pid;
tp->num = ++highest_thread_num;
+ tp->prev_pc = 0;
+ tp->prev_func_start = 0;
+ tp->prev_func_name = NULL;
+ tp->step_range_start = 0;
+ tp->step_range_end = 0;
+ tp->step_frame_address =0;
+ tp->step_resume_breakpoint = 0;
+ tp->through_sigtramp_breakpoint = 0;
+ tp->handling_longjmp = 0;
+ tp->trap_expected = 0;
+ tp->another_trap = 0;
tp->next = thread_list;
thread_list = tp;
}
return 0; /* Never heard of 'im */
}
+/* Load infrun state for the thread PID. */
+
+void load_infrun_state (pid, prev_pc, prev_func_start, prev_func_name,
+ trap_expected, step_resume_breakpoint,
+ through_sigtramp_breakpoint, step_range_start,
+ step_range_end, step_frame_address,
+ handling_longjmp, another_trap)
+ int pid;
+ CORE_ADDR *prev_pc;
+ CORE_ADDR *prev_func_start;
+ char **prev_func_name;
+ int *trap_expected;
+ struct breakpoint **step_resume_breakpoint;
+ struct breakpoint **through_sigtramp_breakpoint;
+ CORE_ADDR *step_range_start;
+ CORE_ADDR *step_range_end;
+ CORE_ADDR *step_frame_address;
+ int *handling_longjmp;
+ int *another_trap;
+{
+ struct thread_info *tp;
+
+ /* If we can't find the thread, then we're debugging a single threaded
+ process. No need to do anything in that case. */
+ tp = find_thread_id (pid_to_thread_id (pid));
+ if (tp == NULL)
+ return;
+
+ *prev_pc = tp->prev_pc;
+ *prev_func_start = tp->prev_func_start;
+ *prev_func_name = tp->prev_func_name;
+ *step_resume_breakpoint = tp->step_resume_breakpoint;
+ *step_range_start = tp->step_range_start;
+ *step_range_end = tp->step_range_end;
+ *step_frame_address = tp->step_frame_address;
+ *through_sigtramp_breakpoint = tp->through_sigtramp_breakpoint;
+ *handling_longjmp = tp->handling_longjmp;
+ *trap_expected = tp->trap_expected;
+ *another_trap = tp->another_trap;
+}
+
+/* Save infrun state for the thread PID. */
+
+void save_infrun_state (pid, prev_pc, prev_func_start, prev_func_name,
+ trap_expected, step_resume_breakpoint,
+ through_sigtramp_breakpoint, step_range_start,
+ step_range_end, step_frame_address,
+ handling_longjmp, another_trap)
+ int pid;
+ CORE_ADDR prev_pc;
+ CORE_ADDR prev_func_start;
+ char *prev_func_name;
+ int trap_expected;
+ struct breakpoint *step_resume_breakpoint;
+ struct breakpoint *through_sigtramp_breakpoint;
+ CORE_ADDR step_range_start;
+ CORE_ADDR step_range_end;
+ CORE_ADDR step_frame_address;
+ int handling_longjmp;
+ int another_trap;
+{
+ struct thread_info *tp;
+
+ /* If we can't find the thread, then we're debugging a single-threaded
+ process. Nothing to do in that case. */
+ tp = find_thread_id (pid_to_thread_id (pid));
+ if (tp == NULL)
+ return;
+
+ tp->prev_pc = prev_pc;
+ tp->prev_func_start = prev_func_start;
+ tp->prev_func_name = prev_func_name;
+ tp->step_resume_breakpoint = step_resume_breakpoint;
+ tp->step_range_start = step_range_start;
+ tp->step_range_end = step_range_end;
+ tp->step_frame_address = step_frame_address;
+ tp->through_sigtramp_breakpoint = through_sigtramp_breakpoint;
+ tp->handling_longjmp = handling_longjmp;
+ tp->trap_expected = trap_expected;
+ tp->another_trap = another_trap;
+}
+
static void
prune_threads ()
{
struct thread_info *tp;
int current_pid = inferior_pid;
+ /* Avoid coredumps which would happen if we tried to access a NULL
+ selected_frame. */
+ if (!target_has_stack) error ("No stack.");
+
for (tp = thread_list; tp; tp = tp->next)
{
- if (target_has_execution
- && kill (tp->pid, 0) == -1)
+ if (! target_thread_alive (tp->pid))
{
tp->pid = -1; /* Mark it as dead */
continue;
flush_cached_frames ();
registers_changed ();
stop_pc = read_pc();
- set_current_frame (create_new_frame (read_fp (), stop_pc));
- stop_frame_address = FRAME_FP (get_current_frame ());
select_frame (get_current_frame (), 0);
}
{
int num;
struct thread_info *tp;
- char *p;
if (!tidstr)
error ("Please specify a thread ID. Use the \"info threads\" command to\n\
projects / deliverable / binutils-gdb.git / blobdiff