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AK: Make LEB128 decoding work with read_value

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This commit is contained in:
Tim Schumacher 2023-01-30 00:02:38 +01:00 • committed by Andrew Kaster
parent 787f4d639a
commit 47531a42a9
9 changed files with 135 additions and 148 deletions
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21
Userland/Libraries/LibDebug/Dwarf/AddressRanges.cpp
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@ -30,8 +30,7 @@ ErrorOr<void> AddressRangesV5::for_each_range(Function<void(Range)> callback)
break;
}
case RangeListEntryType::BaseAddressX: {
FlatPtr index;
TRY(LEB128::read_unsigned(*m_range_lists_stream, index));
FlatPtr index = TRY(m_range_lists_stream->read_value<LEB128<FlatPtr>>());
current_base_address = TRY(m_compilation_unit.get_address(index));
break;
}
@ -44,30 +43,26 @@ ErrorOr<void> AddressRangesV5::for_each_range(Function<void(Range)> callback)
if (!base_address.has_value())
return Error::from_string_literal("Expected base_address for rangelist");
size_t start_offset, end_offset;
TRY(LEB128::read_unsigned(*m_range_lists_stream, start_offset));
TRY(LEB128::read_unsigned(*m_range_lists_stream, end_offset));
size_t start_offset = TRY(m_range_lists_stream->read_value<LEB128<size_t>>());
size_t end_offset = TRY(m_range_lists_stream->read_value<LEB128<size_t>>());
callback(Range { start_offset + *base_address, end_offset + *base_address });
break;
}
case RangeListEntryType::StartLength: {
auto start = TRY(m_range_lists_stream->read_value<FlatPtr>());
size_t length;
TRY(LEB128::read_unsigned(*m_range_lists_stream, length));
size_t length = TRY(m_range_lists_stream->read_value<LEB128<size_t>>());
callback(Range { start, start + length });
break;
}
case RangeListEntryType::StartXEndX: {
size_t start, end;
TRY(LEB128::read_unsigned(*m_range_lists_stream, start));
TRY(LEB128::read_unsigned(*m_range_lists_stream, end));
size_t start = TRY(m_range_lists_stream->read_value<LEB128<size_t>>());
size_t end = TRY(m_range_lists_stream->read_value<LEB128<size_t>>());
callback(Range { TRY(m_compilation_unit.get_address(start)), TRY(m_compilation_unit.get_address(end)) });
break;
}
case RangeListEntryType::StartXLength: {
size_t start, length;
TRY(LEB128::read_unsigned(*m_range_lists_stream, start));
TRY(LEB128::read_unsigned(*m_range_lists_stream, length));
size_t start = TRY(m_range_lists_stream->read_value<LEB128<size_t>>());
size_t length = TRY(m_range_lists_stream->read_value<LEB128<size_t>>());
auto start_addr = TRY(m_compilation_unit.get_address(start));
callback(Range { start_addr, start_addr + length });
break;