diff options
Diffstat (limited to 'libdwfl/frame_unwind.c')
| -rw-r--r-- | libdwfl/frame_unwind.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/libdwfl/frame_unwind.c b/libdwfl/frame_unwind.c index 18c808b2..16cebd08 100644 --- a/libdwfl/frame_unwind.c +++ b/libdwfl/frame_unwind.c @@ -1,5 +1,5 @@ /* Get previous frame state for an existing frame state. - Copyright (C) 2013 Red Hat, Inc. + Copyright (C) 2013, 2014 Red Hat, Inc. This file is part of elfutils. This file is free software; you can redistribute it and/or modify @@ -582,6 +582,10 @@ handle_cfi (Dwfl_Frame *state, Dwarf_Addr pc, Dwarf_CFI *cfi, Dwarf_Addr bias) continue; } + /* Some architectures encode some extra info in the return address. */ + if (regno == frame->fde->cie->return_address_register) + regval &= ebl_func_addr_mask (ebl); + /* This is another strange PPC[64] case. There are two registers numbers that can represent the same DWARF return register number. We only want one to actually set the return |