================
@@ -696,6 +696,87 @@ llvm::StringRef DWARFUnit::PeekDIEName(dw_offset_t
die_offset) {
return llvm::StringRef();
}
+llvm::Error DWARFUnit::GetDIEBitSizeAndSign(uint64_t die_offset,
+ uint64_t &bit_size, bool &sign) {
+ // Retrieve the type DIE that the value is being converted to. This
+ // offset is compile unit relative so we need to fix it up.
+ const uint64_t abs_die_offset = die_offset + GetOffset();
+ // FIXME: the constness has annoying ripple effects.
+ DWARFDIE die = GetDIE(abs_die_offset);
+ if (!die)
+ return llvm::createStringError("cannot resolve DW_OP_convert type DIE");
+ uint64_t encoding =
+ die.GetAttributeValueAsUnsigned(DW_AT_encoding, DW_ATE_hi_user);
+ bit_size = die.GetAttributeValueAsUnsigned(DW_AT_byte_size, 0) * 8;
+ if (!bit_size)
+ bit_size = die.GetAttributeValueAsUnsigned(DW_AT_bit_size, 0);
+ if (!bit_size)
+ return llvm::createStringError("unsupported type size in DW_OP_convert");
----------------
slydiman wrote:
Done.
https://github.com/llvm/llvm-project/pull/131645
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