Lines Matching refs:state
30 bool default_next_frame(struct unwind_state *state);
32 void unwind_start(struct unwind_state *state,
34 bool unwind_next_frame(struct unwind_state *state);
35 unsigned long unwind_get_return_address(struct unwind_state *state);
37 static inline bool unwind_done(struct unwind_state *state)
39 return state->stack_info.type == STACK_TYPE_UNKNOWN;
42 static inline bool unwind_error(struct unwind_state *state)
44 return state->error;
49 static inline unsigned long unwind_graph_addr(struct unwind_state *state,
52 return ftrace_graph_ret_addr(state->task, &state->graph_idx,
56 static __always_inline void __unwind_start(struct unwind_state *state,
59 memset(state, 0, sizeof(*state));
61 state->sp = regs->regs[3];
62 state->pc = regs->csr_era;
63 state->ra = regs->regs[1];
65 state->sp = thread_saved_fp(task);
66 state->pc = thread_saved_ra(task);
67 state->ra = 0;
69 state->sp = (unsigned long)__builtin_frame_address(0);
70 state->pc = (unsigned long)__builtin_return_address(0);
71 state->ra = 0;
73 state->task = task;
74 get_stack_info(state->sp, state->task, &state->stack_info);
75 state->pc = unwind_graph_addr(state, state->pc, state->sp);
78 static __always_inline unsigned long __unwind_get_return_address(struct unwind_state *state)
80 return unwind_done(state) ? 0 : state->pc;