3  * Common arm64 stack unwinder code.
25  * @stack:       The stack currently being unwound.
33 	struct stack_info stack;  member
60 	state->stack = stackinfo_get_unknown();  in unwind_init_common()
64  * unwind_find_stack() - Find the accessible stack which entirely contains an
77 	struct stack_info *info = &state->stack;  in unwind_find_stack()
92  * unwind_consume_stack() - Update stack boundaries so that future unwind steps
96  * @info:  the stack_info of the stack containing the object.
110 	 * Stack transitions are strictly one-way, and once we've  in unwind_consume_stack()
111 	 * transitioned from one stack to another, it's never valid to  in unwind_consume_stack()
112 	 * unwind back to the old stack.  in unwind_consume_stack()
114 	 * Destroy the old stack info so that it cannot be found upon a  in unwind_consume_stack()
115 	 * subsequent transition. If the stack has not changed, we'll  in unwind_consume_stack()
116 	 * immediately restore the current stack info.  in unwind_consume_stack()
124 	 * ... so we do not check the specific order of stack  in unwind_consume_stack()
129 	state->stack = tmp;  in unwind_consume_stack()
132 	 * Future unwind steps can only consume stack above this frame record.  in unwind_consume_stack()
133 	 * Update the current stack to start immediately above it.  in unwind_consume_stack()
135 	state->stack.low = sp + size;  in unwind_consume_stack()