diff options
Diffstat (limited to 'gdb/findvar.c')
| -rw-r--r-- | gdb/findvar.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/gdb/findvar.c b/gdb/findvar.c index 6e28a296de0..bab717aa7f5 100644 --- a/gdb/findvar.c +++ b/gdb/findvar.c @@ -283,17 +283,23 @@ value_of_register_lazy (struct frame_info *frame, int regnum) { struct gdbarch *gdbarch = get_frame_arch (frame); struct value *reg_val; + struct frame_info *next_frame; gdb_assert (regnum < (gdbarch_num_regs (gdbarch) + gdbarch_num_pseudo_regs (gdbarch))); - /* We should have a valid (i.e. non-sentinel) frame. */ - gdb_assert (frame_id_p (get_frame_id (frame))); + gdb_assert (frame != NULL); + + next_frame = get_next_frame_sentinel_okay (frame); + + /* We should have a valid next frame. */ + gdb_assert (frame_id_p (get_frame_id (next_frame))); reg_val = allocate_value_lazy (register_type (gdbarch, regnum)); VALUE_LVAL (reg_val) = lval_register; VALUE_REGNUM (reg_val) = regnum; - VALUE_FRAME_ID (reg_val) = get_frame_id (frame); + VALUE_NEXT_FRAME_ID (reg_val) = get_frame_id (next_frame); + return reg_val; } @@ -815,9 +821,17 @@ default_value_from_register (struct gdbarch *gdbarch, struct type *type, { int len = TYPE_LENGTH (type); struct value *value = allocate_value (type); + struct frame_info *frame; VALUE_LVAL (value) = lval_register; - VALUE_FRAME_ID (value) = frame_id; + frame = frame_find_by_id (frame_id); + + if (frame == NULL) + frame_id = null_frame_id; + else + frame_id = get_frame_id (get_next_frame_sentinel_okay (frame)); + + VALUE_NEXT_FRAME_ID (value) = frame_id; VALUE_REGNUM (value) = regnum; /* Any structure stored in more than one register will always be @@ -902,7 +916,7 @@ value_from_register (struct type *type, int regnum, struct frame_info *frame) including the location. */ v = allocate_value (type); VALUE_LVAL (v) = lval_register; - VALUE_FRAME_ID (v) = get_frame_id (frame); + VALUE_NEXT_FRAME_ID (v) = get_frame_id (get_next_frame_sentinel_okay (frame)); VALUE_REGNUM (v) = regnum; ok = gdbarch_register_to_value (gdbarch, frame, regnum, type1, value_contents_raw (v), &optim, @@ -950,7 +964,7 @@ address_from_register (int regnum, struct frame_info *frame) where the ID of FRAME is not yet known. Calling value_from_register would therefore abort in get_frame_id. However, since we only need a temporary value that is never used as lvalue, we actually do not - really need to set its VALUE_FRAME_ID. Therefore, we re-implement + really need to set its VALUE_NEXT_FRAME_ID. Therefore, we re-implement the core of value_from_register, but use the null_frame_id. */ /* Some targets require a special conversion routine even for plain |