Contributed by Lynx Real-Time Systems, Inc. Los Gatos, CA.
Free Software Foundation, Inc.
-This file is part of GDB.
+ This file is part of GDB.
-This program is free software; you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2 of the License, or
-(at your option) any later version.
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
-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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
+ 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., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
#include "defs.h"
#include "symtab.h"
#include <sys/types.h>
#include <signal.h>
-/*#include "lynxos-core.h"*/
+/*#include "lynxos-core.h" */
struct thread_info
-{
- 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;
-
- /* This is set TRUE when a catchpoint of a shared library event
- triggers. Since we don't wish to leave the inferior in the
- solib hook when we report the event, we step the inferior
- back to user code before stopping and reporting the event.
+ {
+ 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;
+
+ /* This is set TRUE when a catchpoint of a shared library event
+ triggers. Since we don't wish to leave the inferior in the
+ solib hook when we report the event, we step the inferior
+ back to user code before stopping and reporting the event.
*/
- int stepping_through_solib_after_catch;
+ int stepping_through_solib_after_catch;
- /* When stepping_through_solib_after_catch is TRUE, this is a
- list of the catchpoints that should be reported as triggering
- when we finally do stop stepping.
+ /* When stepping_through_solib_after_catch is TRUE, this is a
+ list of the catchpoints that should be reported as triggering
+ when we finally do stop stepping.
*/
- bpstat stepping_through_solib_catchpoints;
+ bpstat stepping_through_solib_catchpoints;
- /* This is set to TRUE when this thread is in a signal handler
- trampoline and we're single-stepping through it */
- int stepping_through_sigtramp;
+ /* This is set to TRUE when this thread is in a signal handler
+ trampoline and we're single-stepping through it */
+ int stepping_through_sigtramp;
-};
+ };
/* Prototypes for exported functions. */
/* Prototypes for local functions. */
-#if !defined(FIND_NEW_THREADS)
-#define FIND_NEW_THREADS local_find_new_threads
-#endif
-
static struct thread_info *thread_list = NULL;
static int highest_thread_num;
-static struct thread_info * find_thread_id PARAMS ((int num));
+static struct thread_info *find_thread_id PARAMS ((int num));
-static void thread_command PARAMS ((char * tidstr, int from_tty));
+static void thread_command PARAMS ((char *tidstr, int from_tty));
static void thread_apply_all_command PARAMS ((char *, int));
-static int thread_alive PARAMS ((struct thread_info *));
+static int thread_alive PARAMS ((struct thread_info *));
static void info_threads_command PARAMS ((char *, int));
static void thread_apply_command PARAMS ((char *, int));
static void restore_current_thread PARAMS ((int));
static void switch_to_thread PARAMS ((int pid));
static void prune_threads PARAMS ((void));
-static int local_find_new_threads PARAMS ((void));
-
-/* If the host has threads, the host machine definition may set this
- macro. But, for remote thread debugging, it gets more complex and
- setting macros does not bind to the various target dependent
- methods well. So, we use the vector target_thread_functions */
-
-static struct target_thread_vector *target_thread_functions;
-
-static int
-local_find_new_threads ()
-{
- int retval = 0;
- if (target_thread_functions &&
- target_thread_functions->find_new_threads)
- retval = (*(target_thread_functions->find_new_threads)) ();
- return retval; /* no support */
-}
-
-
-int
-target_get_thread_info PARAMS ((gdb_threadref * ref,
- int selection, /* FIXME: Selection */
- struct gdb_ext_thread_info * info));
-
-int
-target_get_thread_info (ref, selection, info)
-
- gdb_threadref *ref;
- int selection;
- /* FIXME: Selection */
- struct gdb_ext_thread_info *info;
-
-{
- int retval = 0;
- if (target_thread_functions
- && target_thread_functions->get_thread_info)
- retval = (*(target_thread_functions->get_thread_info)) (ref, selection, info);
- return retval;
-}
-
-
-/* It is possible that these bind and unbinf functions implement a
- stack the interface allows it, but its not implemented that way
- */
-
-
-void
-bind_target_thread_vector (vec)
- struct target_thread_vector *vec;
-{
- target_thread_functions = vec;
-}
-
-struct target_thread_vector *
-unbind_target_thread_vector ()
-{
- struct target_thread_vector *retval;
- retval = target_thread_functions;
- target_thread_functions = 0;
- return retval;
-} /* unbind_target_thread-vector */
void
init_thread_list ()
tp->prev_func_name = NULL;
tp->step_range_start = 0;
tp->step_range_end = 0;
- tp->step_frame_address =0;
+ tp->step_frame_address = 0;
tp->step_resume_breakpoint = 0;
tp->through_sigtramp_breakpoint = 0;
tp->handling_longjmp = 0;
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);
+
free (tp);
return;
static struct thread_info *
find_thread_id (num)
- int num;
+ int num;
{
struct thread_info *tp;
int
valid_thread_id (num)
- int num;
+ int num;
{
struct thread_info *tp;
int
pid_to_thread_id (pid)
- int pid;
+ int pid;
{
struct thread_info *tp;
int
thread_id_to_pid (num)
- int num;
+ int num;
{
struct thread_info *thread = find_thread_id (num);
if (thread)
int
in_thread_list (pid)
- int pid;
+ 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)
+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;
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;
+ 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)
+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;
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;
+ int stepping_through_solib_after_catch;
+ bpstat stepping_through_solib_catchpoints;
+ int stepping_through_sigtramp;
{
struct thread_info *tp;
{
if (tp->pid == -1)
return 0;
- if (! target_thread_alive (tp->pid))
+ if (!target_thread_alive (tp->pid))
{
- tp->pid = -1; /* Mark it as dead */
+ tp->pid = -1; /* Mark it as dead */
return 0;
}
return 1;
{
struct thread_info *tp, *tpprev, *next;
- tpprev = 0;
for (tp = thread_list; tp; tp = next)
{
next = tp->next;
if (!thread_alive (tp))
- {
- if (tpprev)
- tpprev->next = next;
- else
- thread_list = next;
- free (tp);
- }
- else
- tpprev = tp;
+ delete_thread (tp->pid);
}
}
/* Print information about currently known threads
- *
+
* Note: this has the drawback that it _really_ switches
* threads, which frees the frame cache. A no-side
* effects info-threads command would be nicer.
int from_tty;
{
struct thread_info *tp;
- int current_pid;
- struct frame_info *cur_frame;
- int saved_frame_level = selected_frame_level;
- int counter;
+ int current_pid;
+ struct frame_info *cur_frame;
+ int saved_frame_level = selected_frame_level;
+ int counter;
/* Avoid coredumps which would happen if we tried to access a NULL
selected_frame. */
- if (!target_has_stack) error ("No stack.");
+ if (!target_has_stack)
+ error ("No stack.");
prune_threads ();
target_find_new_threads ();
* back to the current thread. That switch has put us at the top
* of the stack (leaf frame).
*/
- counter = saved_frame_level;
- cur_frame = find_relative_frame(selected_frame, &counter);
+ counter = saved_frame_level;
+ cur_frame = find_relative_frame (selected_frame, &counter);
if (counter != 0)
{
/* Ooops, can't restore, tell user where we are. */
}
else
{
- select_frame(cur_frame, saved_frame_level);
+ select_frame (cur_frame, saved_frame_level);
}
/* re-show current frame. */
- show_stack_frame(cur_frame);
+ show_stack_frame (cur_frame);
}
/* Switch from one thread to another. */
inferior_pid = pid;
flush_cached_frames ();
registers_changed ();
- stop_pc = read_pc();
+ stop_pc = read_pc ();
select_frame (get_current_frame (), 0);
}
restore_current_thread (pid)
int pid;
{
- if (pid != inferior_pid)
+ if (pid != inferior_pid)
{
switch_to_thread (pid);
- print_stack_frame( get_current_frame(), 0, -1);
+ print_stack_frame (get_current_frame (), 0, -1);
}
}
seperated list of numbers, or ranges, or the keyword `all'. Ranges consist
of two numbers seperated by a hyphen. Examples:
- thread apply 1 2 7 4 backtrace Apply backtrace cmd to threads 1,2,7,4
- thread apply 2-7 9 p foo(1) Apply p foo(1) cmd to threads 2->7 & 9
- thread apply all p x/i $pc Apply x/i $pc cmd to all threads
-*/
+ thread apply 1 2 7 4 backtrace Apply backtrace cmd to threads 1,2,7,4
+ thread apply 2-7 9 p foo(1) Apply p foo(1) cmd to threads 2->7 & 9
+ thread apply all p x/i $pc Apply x/i $pc cmd to all threads
+ */
static void
thread_apply_all_command (cmd, from_tty)
if (cmd == NULL || *cmd == '\000')
error ("Please specify a command following the thread ID list");
- old_chain = make_cleanup ((make_cleanup_func) restore_current_thread,
+ old_chain = make_cleanup ((make_cleanup_func) restore_current_thread,
(void *) inferior_pid);
for (tp = thread_list; tp; tp = tp->next)
if (tidlist == NULL || *tidlist == '\000')
error ("Please specify a thread ID list");
- for (cmd = tidlist; *cmd != '\000' && !isalpha(*cmd); cmd++);
+ for (cmd = tidlist; *cmd != '\000' && !isalpha (*cmd); cmd++);
if (*cmd == '\000')
error ("Please specify a command following the thread ID list");
- old_chain = make_cleanup ((make_cleanup_func) restore_current_thread,
+ old_chain = make_cleanup ((make_cleanup_func) restore_current_thread,
(void *) inferior_pid);
while (tidlist < cmd)
if (*tidlist == '-') /* Got a range of IDs? */
{
- tidlist++; /* Skip the - */
+ tidlist++; /* Skip the - */
end = strtol (tidlist, &p, 10);
if (p == tidlist)
error ("Error parsing %s", tidlist);
/* Don't generate an error, just say which thread is current. */
if (target_has_stack)
printf_filtered ("[Current thread is %d (%s)]\n",
- pid_to_thread_id(inferior_pid),
+ pid_to_thread_id (inferior_pid),
#if defined(HPUXHPPA)
- target_tid_to_str(inferior_pid)
+ target_tid_to_str (inferior_pid)
#else
- target_pid_to_str(inferior_pid)
+ target_pid_to_str (inferior_pid)
#endif
- );
+ );
else
error ("No stack.");
return;
#else
target_pid_to_str (inferior_pid)
#endif
- );
+ );
print_stack_frame (selected_frame, selected_frame_level, 1);
}
projects / deliverable / binutils-gdb.git / blobdiff