diff options
Diffstat (limited to 'arch/sh/kernel/dwarf.c')
| -rw-r--r-- | arch/sh/kernel/dwarf.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/arch/sh/kernel/dwarf.c b/arch/sh/kernel/dwarf.c index bb511e2d9d68..c5b426506d16 100644 --- a/arch/sh/kernel/dwarf.c +++ b/arch/sh/kernel/dwarf.c @@ -1,10 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Copyright (C) 2009 Matt Fleming <matt@console-pimps.org> * - * This file is subject to the terms and conditions of the GNU General Public - * License. See the file "COPYING" in the main directory of this archive - * for more details. - * * This is an implementation of a DWARF unwinder. Its main purpose is * for generating stacktrace information. Based on the DWARF 3 * specification from http://www.dwarfstd.org. @@ -608,17 +605,18 @@ struct dwarf_frame *dwarf_unwind_stack(unsigned long pc, * expected to find the real return address. */ if (pc == (unsigned long)&return_to_handler) { - int index = current->curr_ret_stack; + struct ftrace_ret_stack *ret_stack; + ret_stack = ftrace_graph_get_ret_stack(current, 0); + if (ret_stack) + pc = ret_stack->ret; /* * We currently have no way of tracking how many * return_to_handler()'s we've seen. If there is more * than one patched return address on our stack, * complain loudly. */ - WARN_ON(index > 0); - - pc = current->ret_stack[index].ret; + WARN_ON(ftrace_graph_get_ret_stack(current, 1); } #endif |