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-rw-r--r--Documentation/kdump/gdbmacros.txt96
1 files changed, 44 insertions, 52 deletions
diff --git a/Documentation/kdump/gdbmacros.txt b/Documentation/kdump/gdbmacros.txt
index 9b9b454b048a..35f6a982a0d5 100644
--- a/Documentation/kdump/gdbmacros.txt
+++ b/Documentation/kdump/gdbmacros.txt
@@ -15,15 +15,16 @@
define bttnobp
set $tasks_off=((size_t)&((struct task_struct *)0)->tasks)
- set $pid_off=((size_t)&((struct task_struct *)0)->pids[1].pid_list.next)
+ set $pid_off=((size_t)&((struct task_struct *)0)->thread_group.next)
set $init_t=&init_task
set $next_t=(((char *)($init_t->tasks).next) - $tasks_off)
+ set var $stacksize = sizeof(union thread_union)
while ($next_t != $init_t)
set $next_t=(struct task_struct *)$next_t
printf "\npid %d; comm %s:\n", $next_t.pid, $next_t.comm
printf "===================\n"
- set var $stackp = $next_t.thread.esp
- set var $stack_top = ($stackp & ~4095) + 4096
+ set var $stackp = $next_t.thread.sp
+ set var $stack_top = ($stackp & ~($stacksize - 1)) + $stacksize
while ($stackp < $stack_top)
if (*($stackp) > _stext && *($stackp) < _sinittext)
@@ -31,13 +32,13 @@ define bttnobp
end
set $stackp += 4
end
- set $next_th=(((char *)$next_t->pids[1].pid_list.next) - $pid_off)
+ set $next_th=(((char *)$next_t->thread_group.next) - $pid_off)
while ($next_th != $next_t)
set $next_th=(struct task_struct *)$next_th
printf "\npid %d; comm %s:\n", $next_t.pid, $next_t.comm
printf "===================\n"
- set var $stackp = $next_t.thread.esp
- set var $stack_top = ($stackp & ~4095) + 4096
+ set var $stackp = $next_t.thread.sp
+ set var $stack_top = ($stackp & ~($stacksize - 1)) + stacksize
while ($stackp < $stack_top)
if (*($stackp) > _stext && *($stackp) < _sinittext)
@@ -45,7 +46,7 @@ define bttnobp
end
set $stackp += 4
end
- set $next_th=(((char *)$next_th->pids[1].pid_list.next) - $pid_off)
+ set $next_th=(((char *)$next_th->thread_group.next) - $pid_off)
end
set $next_t=(char *)($next_t->tasks.next) - $tasks_off
end
@@ -54,42 +55,44 @@ document bttnobp
dump all thread stack traces on a kernel compiled with !CONFIG_FRAME_POINTER
end
+define btthreadstack
+ set var $pid_task = $arg0
+
+ printf "\npid %d; comm %s:\n", $pid_task.pid, $pid_task.comm
+ printf "task struct: "
+ print $pid_task
+ printf "===================\n"
+ set var $stackp = $pid_task.thread.sp
+ set var $stacksize = sizeof(union thread_union)
+ set var $stack_top = ($stackp & ~($stacksize - 1)) + $stacksize
+ set var $stack_bot = ($stackp & ~($stacksize - 1))
+
+ set $stackp = *((unsigned long *) $stackp)
+ while (($stackp < $stack_top) && ($stackp > $stack_bot))
+ set var $addr = *(((unsigned long *) $stackp) + 1)
+ info symbol $addr
+ set $stackp = *((unsigned long *) $stackp)
+ end
+end
+document btthreadstack
+ dump a thread stack using the given task structure pointer
+end
+
+
define btt
set $tasks_off=((size_t)&((struct task_struct *)0)->tasks)
- set $pid_off=((size_t)&((struct task_struct *)0)->pids[1].pid_list.next)
+ set $pid_off=((size_t)&((struct task_struct *)0)->thread_group.next)
set $init_t=&init_task
set $next_t=(((char *)($init_t->tasks).next) - $tasks_off)
while ($next_t != $init_t)
set $next_t=(struct task_struct *)$next_t
- printf "\npid %d; comm %s:\n", $next_t.pid, $next_t.comm
- printf "===================\n"
- set var $stackp = $next_t.thread.esp
- set var $stack_top = ($stackp & ~4095) + 4096
- set var $stack_bot = ($stackp & ~4095)
-
- set $stackp = *($stackp)
- while (($stackp < $stack_top) && ($stackp > $stack_bot))
- set var $addr = *($stackp + 4)
- info symbol $addr
- set $stackp = *($stackp)
- end
+ btthreadstack $next_t
- set $next_th=(((char *)$next_t->pids[1].pid_list.next) - $pid_off)
+ set $next_th=(((char *)$next_t->thread_group.next) - $pid_off)
while ($next_th != $next_t)
set $next_th=(struct task_struct *)$next_th
- printf "\npid %d; comm %s:\n", $next_t.pid, $next_t.comm
- printf "===================\n"
- set var $stackp = $next_t.thread.esp
- set var $stack_top = ($stackp & ~4095) + 4096
- set var $stack_bot = ($stackp & ~4095)
-
- set $stackp = *($stackp)
- while (($stackp < $stack_top) && ($stackp > $stack_bot))
- set var $addr = *($stackp + 4)
- info symbol $addr
- set $stackp = *($stackp)
- end
- set $next_th=(((char *)$next_th->pids[1].pid_list.next) - $pid_off)
+ btthreadstack $next_th
+ set $next_th=(((char *)$next_th->thread_group.next) - $pid_off)
end
set $next_t=(char *)($next_t->tasks.next) - $tasks_off
end
@@ -101,7 +104,7 @@ end
define btpid
set var $pid = $arg0
set $tasks_off=((size_t)&((struct task_struct *)0)->tasks)
- set $pid_off=((size_t)&((struct task_struct *)0)->pids[1].pid_list.next)
+ set $pid_off=((size_t)&((struct task_struct *)0)->thread_group.next)
set $init_t=&init_task
set $next_t=(((char *)($init_t->tasks).next) - $tasks_off)
set var $pid_task = 0
@@ -113,29 +116,18 @@ define btpid
set $pid_task = $next_t
end
- set $next_th=(((char *)$next_t->pids[1].pid_list.next) - $pid_off)
+ set $next_th=(((char *)$next_t->thread_group.next) - $pid_off)
while ($next_th != $next_t)
set $next_th=(struct task_struct *)$next_th
if ($next_th.pid == $pid)
set $pid_task = $next_th
end
- set $next_th=(((char *)$next_th->pids[1].pid_list.next) - $pid_off)
+ set $next_th=(((char *)$next_th->thread_group.next) - $pid_off)
end
set $next_t=(char *)($next_t->tasks.next) - $tasks_off
end
- printf "\npid %d; comm %s:\n", $pid_task.pid, $pid_task.comm
- printf "===================\n"
- set var $stackp = $pid_task.thread.esp
- set var $stack_top = ($stackp & ~4095) + 4096
- set var $stack_bot = ($stackp & ~4095)
-
- set $stackp = *($stackp)
- while (($stackp < $stack_top) && ($stackp > $stack_bot))
- set var $addr = *($stackp + 4)
- info symbol $addr
- set $stackp = *($stackp)
- end
+ btthreadstack $pid_task
end
document btpid
backtrace of pid
@@ -145,7 +137,7 @@ end
define trapinfo
set var $pid = $arg0
set $tasks_off=((size_t)&((struct task_struct *)0)->tasks)
- set $pid_off=((size_t)&((struct task_struct *)0)->pids[1].pid_list.next)
+ set $pid_off=((size_t)&((struct task_struct *)0)->thread_group.next)
set $init_t=&init_task
set $next_t=(((char *)($init_t->tasks).next) - $tasks_off)
set var $pid_task = 0
@@ -157,13 +149,13 @@ define trapinfo
set $pid_task = $next_t
end
- set $next_th=(((char *)$next_t->pids[1].pid_list.next) - $pid_off)
+ set $next_th=(((char *)$next_t->thread_group.next) - $pid_off)
while ($next_th != $next_t)
set $next_th=(struct task_struct *)$next_th
if ($next_th.pid == $pid)
set $pid_task = $next_th
end
- set $next_th=(((char *)$next_th->pids[1].pid_list.next) - $pid_off)
+ set $next_th=(((char *)$next_th->thread_group.next) - $pid_off)
end
set $next_t=(char *)($next_t->tasks.next) - $tasks_off
end
generated by cgit v1.2.3 (git 2.39.0) at 2024-11-08 10:02:44 +0300