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#include <config.h>
#include "dwarf"
using namespace std;
using namespace elfutils;
#define VS(what) (1U << dwarf::VS_##what)
/* Return a bitmask of value spaces expected for this attribute of this tag.
Primarily culled from the DWARF 3 spec: 7.5.4, Figure 20. */
static unsigned int
expected_value_space (int attr, int tag)
{
switch (attr)
{
case DW_AT_sibling:
case DW_AT_common_reference:
case DW_AT_containing_type:
case DW_AT_default_value:
case DW_AT_abstract_origin:
case DW_AT_base_types:
case DW_AT_friend:
case DW_AT_priority:
case DW_AT_specification:
case DW_AT_type:
case DW_AT_use_location:
case DW_AT_data_location:
case DW_AT_extension:
case DW_AT_small:
case DW_AT_object_pointer:
case DW_AT_namelist_item:
return VS(reference);
case DW_AT_location:
case DW_AT_string_length:
case DW_AT_return_addr:
case DW_AT_frame_base:
case DW_AT_segment:
case DW_AT_static_link:
case DW_AT_vtable_elem_location:
return VS(location);
case DW_AT_data_member_location:
return VS(location) | VS(constant);
case DW_AT_name:
switch (tag)
{
case DW_TAG_compile_unit:
case DW_TAG_partial_unit:
return VS(source_file);
default:
return VS(identifier);
}
case DW_AT_ordering:
case DW_AT_language:
case DW_AT_visibility:
case DW_AT_inline:
case DW_AT_accessibility:
case DW_AT_address_class:
case DW_AT_calling_convention:
case DW_AT_encoding:
case DW_AT_identifier_case:
case DW_AT_virtuality:
case DW_AT_endianity:
return VS(dwarf_constant);
case DW_AT_byte_size:
case DW_AT_byte_stride:
case DW_AT_bit_size:
case DW_AT_bit_offset:
case DW_AT_bit_stride:
case DW_AT_lower_bound:
case DW_AT_upper_bound:
case DW_AT_count:
case DW_AT_allocated:
case DW_AT_associated:
return VS(reference) | VS(constant) | VS(location); // XXX non-loc expr
case DW_AT_stmt_list:
return VS(lineptr);
case DW_AT_macro_info:
return VS(macptr);
case DW_AT_ranges:
return VS(rangelistptr);
case DW_AT_low_pc:
case DW_AT_high_pc:
case DW_AT_entry_pc:
return VS(address);
case DW_AT_discr:
return VS(reference);
case DW_AT_discr_value:
return VS(constant);
case DW_AT_discr_list:
return VS(discr_list);
case DW_AT_import:
return VS(reference);
case DW_AT_comp_dir:
return VS(source_file);
case DW_AT_const_value:
return VS(constant) | VS(string) | VS(address);
case DW_AT_is_optional:
case DW_AT_prototyped:
case DW_AT_artificial:
case DW_AT_declaration:
case DW_AT_external:
case DW_AT_variable_parameter:
case DW_AT_use_UTF8:
case DW_AT_mutable:
case DW_AT_threads_scaled:
case DW_AT_explicit:
case DW_AT_elemental:
case DW_AT_pure:
case DW_AT_recursive:
return VS(flag);
case DW_AT_producer:
return VS(string);
case DW_AT_start_scope:
return VS(constant);
case DW_AT_binary_scale:
case DW_AT_decimal_scale:
case DW_AT_decimal_sign:
case DW_AT_digit_count:
return VS(constant);
case DW_AT_decl_file:
case DW_AT_call_file:
return VS(source_file);
case DW_AT_decl_line:
case DW_AT_call_line:
return VS(source_line);
case DW_AT_decl_column:
case DW_AT_call_column:
return VS(source_column);
case DW_AT_trampoline:
return VS(address) | VS(flag) | VS(reference) | VS(string);
case DW_AT_description:
case DW_AT_picture_string:
return VS(string);
case DW_AT_MIPS_linkage_name:
return VS(identifier);
case DW_AT_GNU_odr_signature:
return VS(constant);
}
return 0;
}
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