diff options
Diffstat (limited to 'gcc/dwarf2ctf.cc')
| -rw-r--r-- | gcc/dwarf2ctf.cc | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/gcc/dwarf2ctf.cc b/gcc/dwarf2ctf.cc index 7de3696..f8b305b 100644 --- a/gcc/dwarf2ctf.cc +++ b/gcc/dwarf2ctf.cc @@ -361,7 +361,7 @@ gen_ctf_subrange_type (ctf_container_ref ctfc, ctf_dtdef_ref array_elems_type, dw_attr_node *upper_bound_at; dw_die_ref array_index_type; - uint32_t array_num_elements; + unsigned HOST_WIDE_INT array_num_elements; if (dw_get_die_tag (c) == DW_TAG_subrange_type) { @@ -376,9 +376,9 @@ gen_ctf_subrange_type (ctf_container_ref ctfc, ctf_dtdef_ref array_elems_type, if (upper_bound_at && AT_class (upper_bound_at) == dw_val_class_unsigned_const) /* This is the upper bound index. */ - array_num_elements = get_AT_unsigned (c, DW_AT_upper_bound) + 1; + array_num_elements = AT_unsigned (get_AT (c, DW_AT_upper_bound)) + 1; else if (get_AT (c, DW_AT_count)) - array_num_elements = get_AT_unsigned (c, DW_AT_count); + array_num_elements = AT_unsigned (get_AT (c, DW_AT_count)); else { /* This is a VLA of some kind. */ @@ -388,6 +388,12 @@ gen_ctf_subrange_type (ctf_container_ref ctfc, ctf_dtdef_ref array_elems_type, else gcc_unreachable (); + if (array_num_elements > UINT32_MAX) + { + /* The array cannot be encoded in CTF. TBD_CTF_REPRESENTATION_LIMIT. */ + return gen_ctf_unknown_type (ctfc); + } + /* Ok, mount and register the array type. Note how the array type we register here is the type of the elements in subsequent "dimensions", if there are any. */ |