mirror of
https://github.com/FEX-Emu/FEX.git
synced 2026-10-06 19:00:17 +02:00
Ryan Houdek
1758648f56
It is going to be used by Linux. Also adds support for file offset handling, which is required on Linux but not on win32.
52 lines
2.0 KiB
C++
52 lines
2.0 KiB
C++
// SPDX-License-Identifier: MIT
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#pragma once
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#include <FEXCore/Utils/IntervalList.h>
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#include <FEXCore/fextl/unordered_map.h>
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#include <FEXCore/fextl/set.h>
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#include <FEXCore/fextl/string.h>
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#include <string_view>
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namespace FEX::VolatileMetadata {
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struct ExtendedVolatileMetadata {
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FEXCore::IntervalList<uint64_t> VolatileValidRanges;
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fextl::set<uint64_t> VolatileInstructions;
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bool ModuleTSODisabled;
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};
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fextl::unordered_map<fextl::string, ExtendedVolatileMetadata> ParseExtendedVolatileMetadata(std::string_view ListOfDescriptors);
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inline void ApplyFEXExtendedVolatileMetadata(FEX::VolatileMetadata::ExtendedVolatileMetadata& ExtendedMetaData,
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fextl::set<uint64_t>& VolatileInstructions, FEXCore::IntervalList<uint64_t>& VolatileValidRanges,
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uint64_t Address, uint64_t EndAddress, uint64_t FileOffset = 0, uint64_t FileOffsetEnd = ~0ULL) {
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// Load FEX extended volatile metadata.
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// Walk the volatile instructions first if they exist.
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for (const auto it_inst : ExtendedMetaData.VolatileInstructions) {
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const auto inst_address = it_inst + Address;
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if (inst_address < EndAddress) {
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VolatileInstructions.emplace(Address + it_inst);
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} else {
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LogMan::Msg::DFmt("Volatile instruction 0x{:x} couldn't fit in to module range [0x{:x}, 0x{:x}). Not adding anymore volatile "
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"instructions. Inspect your config!",
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inst_address, Address, EndAddress);
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return;
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}
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}
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// Walk the volatile list
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for (const auto it_ranges : ExtendedMetaData.VolatileValidRanges) {
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if (it_ranges.Offset >= FileOffset && it_ranges.End < FileOffsetEnd) {
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VolatileValidRanges.Insert({Address + it_ranges.Offset - FileOffset, Address + it_ranges.End - FileOffset});
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}
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}
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// If it is fully disabled, then set the entire module range
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if (ExtendedMetaData.ModuleTSODisabled) {
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VolatileValidRanges.Clear();
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VolatileValidRanges.Insert({Address, EndAddress});
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}
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}
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} // namespace FEX::VolatileMetadata
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