/* Multi-process/thread control for GDB, the GNU debugger.
- Copyright 1986, 1987, 1988, 1993, 1998, 1999, 2000
-
- Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA.
+ Copyright 1986, 1987, 1988, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+ 2000, 2001
Free Software Foundation, Inc.
+ Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA.
+
This file is part of GDB.
#include "gdbthread.h"
#include "command.h"
#include "gdbcmd.h"
+#include "regcache.h"
#include <ctype.h>
#include <sys/types.h>
static void switch_to_thread (int pid);
static void prune_threads (void);
+static void
+free_thread (struct thread_info *tp)
+{
+ /* NOTE: this will take care of any left-over step_resume breakpoints,
+ but not any user-specified thread-specific breakpoints. */
+ if (tp->step_resume_breakpoint)
+ delete_breakpoint (tp->step_resume_breakpoint);
+
+ /* FIXME: do I ever need to call the back-end to give it a
+ chance at this private data before deleting the thread? */
+ if (tp->private)
+ xfree (tp->private);
+
+ xfree (tp);
+}
+
void
-init_thread_list ()
+init_thread_list (void)
{
struct thread_info *tp, *tpnext;
+ highest_thread_num = 0;
if (!thread_list)
return;
for (tp = thread_list; tp; tp = tpnext)
{
tpnext = tp->next;
- free (tp);
+ free_thread (tp);
}
thread_list = NULL;
- highest_thread_num = 0;
}
/* add_thread now returns a pointer to the new thread_info,
so that back_ends can initialize their private data. */
struct thread_info *
-add_thread (pid)
- int pid;
+add_thread (int pid)
{
struct thread_info *tp;
}
void
-delete_thread (pid)
- int pid;
+delete_thread (int pid)
{
struct thread_info *tp, *tpprev;
else
thread_list = tp->next;
- /* NOTE: this will take care of any left-over step_resume breakpoints,
- but not any user-specified thread-specific breakpoints. */
- if (tp->step_resume_breakpoint)
- delete_breakpoint (tp->step_resume_breakpoint);
-
- /* FIXME: do I ever need to call the back-end to give it a
- chance at this private data before deleting the thread? */
- if (tp->private)
- free (tp->private);
-
- free (tp);
-
- return;
+ free_thread (tp);
}
static struct thread_info *
-find_thread_id (num)
- int num;
+find_thread_id (int num)
{
struct thread_info *tp;
/* Find a thread_info by matching 'pid'. */
struct thread_info *
-find_thread_pid (pid)
- int pid;
+find_thread_pid (int pid)
{
struct thread_info *tp;
*/
struct thread_info *
-iterate_over_threads (callback, data)
- int (*callback) ();
- void *data;
+iterate_over_threads (int (*callback) (struct thread_info *, void *),
+ void *data)
{
struct thread_info *tp;
}
int
-valid_thread_id (num)
- int num;
+valid_thread_id (int num)
{
struct thread_info *tp;
}
int
-pid_to_thread_id (pid)
- int pid;
+pid_to_thread_id (int pid)
{
struct thread_info *tp;
}
int
-thread_id_to_pid (num)
- int num;
+thread_id_to_pid (int num)
{
struct thread_info *thread = find_thread_id (num);
if (thread)
}
int
-in_thread_list (pid)
- int pid;
+in_thread_list (int pid)
{
struct thread_info *tp;
/* 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,
- stepping_through_solib_after_catch,
- stepping_through_solib_catchpoints,
- stepping_through_sigtramp)
- 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;
- int *stepping_through_solib_after_catch;
- bpstat *stepping_through_solib_catchpoints;
- int *stepping_through_sigtramp;
+load_infrun_state (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, int *stepping_through_solib_after_catch,
+ bpstat *stepping_through_solib_catchpoints,
+ int *stepping_through_sigtramp)
{
struct thread_info *tp;
/* 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,
- stepping_through_solib_after_catch,
- stepping_through_solib_catchpoints,
- stepping_through_sigtramp)
- 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;
- int stepping_through_solib_after_catch;
- bpstat stepping_through_solib_catchpoints;
- int stepping_through_sigtramp;
+save_infrun_state (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, int stepping_through_solib_after_catch,
+ bpstat stepping_through_solib_catchpoints,
+ int stepping_through_sigtramp)
{
struct thread_info *tp;
/* Return true if TP is an active thread. */
static int
-thread_alive (tp)
- struct thread_info *tp;
+thread_alive (struct thread_info *tp)
{
if (tp->pid == -1)
return 0;
}
static void
-prune_threads ()
+prune_threads (void)
{
struct thread_info *tp, *next;
*/
static void
-info_threads_command (arg, from_tty)
- char *arg;
- int from_tty;
+info_threads_command (char *arg, int from_tty)
{
struct thread_info *tp;
int current_pid;
/* Switch from one thread to another. */
static void
-switch_to_thread (pid)
- int pid;
+switch_to_thread (int pid)
{
if (pid == inferior_pid)
return;
}
static void
-restore_current_thread (pid)
- int pid;
+restore_current_thread (int pid)
{
if (pid != inferior_pid)
{
{
struct current_thread_cleanup *old = arg;
restore_current_thread (old->inferior_pid);
- free (old);
+ xfree (old);
}
static struct cleanup *
*/
static void
-thread_apply_all_command (cmd, from_tty)
- char *cmd;
- int from_tty;
+thread_apply_all_command (char *cmd, int from_tty)
{
struct thread_info *tp;
struct cleanup *old_chain;
+ struct cleanup *saved_cmd_cleanup_chain;
+ char *saved_cmd;
if (cmd == NULL || *cmd == '\000')
error ("Please specify a command following the thread ID list");
old_chain = make_cleanup_restore_current_thread (inferior_pid);
+ /* It is safe to update the thread list now, before
+ traversing it for "thread apply all". MVS */
+ target_find_new_threads ();
+
+ /* Save a copy of the command in case it is clobbered by
+ execute_command */
+ saved_cmd = xstrdup (cmd);
+ saved_cmd_cleanup_chain = make_cleanup (xfree, (void *) saved_cmd);
for (tp = thread_list; tp; tp = tp->next)
if (thread_alive (tp))
{
target_pid_to_str (inferior_pid));
#endif
execute_command (cmd, from_tty);
+ strcpy (cmd, saved_cmd); /* Restore exact command used previously */
}
+ do_cleanups (saved_cmd_cleanup_chain);
do_cleanups (old_chain);
}
static void
-thread_apply_command (tidlist, from_tty)
- char *tidlist;
- int from_tty;
+thread_apply_command (char *tidlist, int from_tty)
{
char *cmd;
char *p;
struct cleanup *old_chain;
+ struct cleanup *saved_cmd_cleanup_chain;
+ char *saved_cmd;
if (tidlist == NULL || *tidlist == '\000')
error ("Please specify a thread ID list");
old_chain = make_cleanup_restore_current_thread (inferior_pid);
+ /* Save a copy of the command in case it is clobbered by
+ execute_command */
+ saved_cmd = xstrdup (cmd);
+ saved_cmd_cleanup_chain = make_cleanup (xfree, (void *) saved_cmd);
while (tidlist < cmd)
{
struct thread_info *tp;
target_pid_to_str (inferior_pid));
#endif
execute_command (cmd, from_tty);
+ strcpy (cmd, saved_cmd); /* Restore exact command used previously */
}
}
}
+ do_cleanups (saved_cmd_cleanup_chain);
do_cleanups (old_chain);
}
if prefix of arg is `apply'. */
static void
-thread_command (tidstr, from_tty)
- char *tidstr;
- int from_tty;
+thread_command (char *tidstr, int from_tty)
{
if (!tidstr)
{
struct cmd_list_element *thread_cmd_list = NULL;
void
-_initialize_thread ()
+_initialize_thread (void)
{
static struct cmd_list_element *thread_apply_list = NULL;
projects / deliverable / binutils-gdb.git / blobdiff