|
12 | 12 | //===----------------------------------------------------------------------===// |
13 | 13 |
|
14 | 14 | #include "llvm-objdump.h" |
| 15 | +#include "llvm/BinaryFormat/DXContainer.h" |
15 | 16 | #include "llvm/Object/DXContainer.h" |
| 17 | +#include "llvm/Support/ScopedPrinter.h" |
16 | 18 |
|
17 | 19 | using namespace llvm; |
| 20 | +using namespace llvm::object; |
| 21 | + |
| 22 | +static llvm::SmallString<4> maskToString(uint8_t Mask, |
| 23 | + bool StripTrailing = false) { |
| 24 | + llvm::SmallString<4> Result(" "); |
| 25 | + if (Mask & 1) |
| 26 | + Result[0] = 'x'; |
| 27 | + if (Mask & 2) |
| 28 | + Result[1] = 'y'; |
| 29 | + if (Mask & 4) |
| 30 | + Result[2] = 'z'; |
| 31 | + if (Mask & 8) |
| 32 | + Result[3] = 'w'; |
| 33 | + if (!StripTrailing) |
| 34 | + return Result; |
| 35 | + int Size = 8 - countl_zero(Mask); |
| 36 | + return Result.slice(0, Size); |
| 37 | +} |
| 38 | + |
| 39 | +static void printColumnHeader(raw_ostream &OS, size_t Length) { |
| 40 | + for (size_t I = 0; I < Length; ++I) |
| 41 | + OS << "-"; |
| 42 | +} |
| 43 | + |
| 44 | +static void printColumnHeaders(raw_ostream &OS, ArrayRef<size_t> Lengths) { |
| 45 | + // Generate the header in a temporary to avoid trailing whitespace. |
| 46 | + SmallString<256> Str; |
| 47 | + raw_svector_ostream Tmp(Str); |
| 48 | + for (auto L : Lengths) { |
| 49 | + printColumnHeader(Tmp, L); |
| 50 | + Tmp << " "; |
| 51 | + } |
| 52 | + Str.back() = '\n'; |
| 53 | + OS << Str; |
| 54 | +} |
| 55 | + |
| 56 | +static size_t digitsForNumber(size_t N) { |
| 57 | + if (N == 0) |
| 58 | + return 1; |
| 59 | + return static_cast<size_t>(log10(static_cast<double>(N))) + 1; |
| 60 | +} |
18 | 61 |
|
19 | 62 | namespace { |
20 | 63 | class DXContainerDumper : public objdump::Dumper { |
| 64 | + const DXContainerObjectFile &Obj; |
| 65 | + |
21 | 66 | public: |
22 | | - DXContainerDumper(const object::DXContainerObjectFile &Obj) |
23 | | - : objdump::Dumper(Obj) {} |
| 67 | + DXContainerDumper(const DXContainerObjectFile &O) |
| 68 | + : objdump::Dumper(O), Obj(O) {} |
| 69 | + |
| 70 | + void printPrivateHeaders() override; |
| 71 | + void printSignature(const DirectX::Signature &S); |
24 | 72 | }; |
| 73 | + |
| 74 | +void DXContainerDumper::printSignature(const DirectX::Signature &S) { |
| 75 | + // DXC prints a table like this as part of the shader disassembly: |
| 76 | + //; Name Index Mask Register SysValue Format Used |
| 77 | + //; -------------------- ----- ------ -------- -------- ------- ------ |
| 78 | + //; NORMAL 0 xyz 0 NONE float xyz |
| 79 | + //; TEXCOORD 0 xy 1 NONE float xy |
| 80 | + |
| 81 | + // DXC's implementation doesn't scale columns entirely completely for the |
| 82 | + // provided input, so this implementation is a bit more complicated in |
| 83 | + // formatting logic to scale with the size of the printed text. |
| 84 | + |
| 85 | + // DXC gives names 21 characters for some unknown reason, I arbitrarily chose |
| 86 | + // to start at 24 so that we're not going shorter but are using a round |
| 87 | + // number. |
| 88 | + size_t LongestName = 24; |
| 89 | + size_t LongestSV = 10; |
| 90 | + size_t LongestIndex = strlen("Index"); |
| 91 | + size_t LongestRegister = strlen("Register"); |
| 92 | + size_t LongestFormat = strlen("Format"); |
| 93 | + const size_t MaskWidth = 5; |
| 94 | + // Compute the column widths. Skip calculating the "Mask" and "Used" columns |
| 95 | + // since they both have widths of 4. |
| 96 | + for (auto El : S) { |
| 97 | + LongestName = std::max(LongestName, S.getName(El.NameOffset).size()); |
| 98 | + LongestSV = std::max( |
| 99 | + LongestSV, |
| 100 | + enumToStringRef(El.SystemValue, dxbc::getD3DSystemValues()).size()); |
| 101 | + LongestIndex = std::max(LongestIndex, digitsForNumber(El.Index)); |
| 102 | + LongestRegister = std::max(LongestRegister, digitsForNumber(El.Register)); |
| 103 | + LongestFormat = std::max( |
| 104 | + LongestFormat, |
| 105 | + enumToStringRef(El.CompType, dxbc::getSigComponentTypes()).size()); |
| 106 | + } |
| 107 | + |
| 108 | + // Print Column headers. |
| 109 | + OS << "; "; |
| 110 | + OS << left_justify("Name", LongestName) << " "; |
| 111 | + OS << right_justify("Index", LongestIndex) << " "; |
| 112 | + OS << right_justify("Mask", MaskWidth) << " "; |
| 113 | + OS << right_justify("Register", LongestRegister) << " "; |
| 114 | + OS << right_justify("SysValue", LongestSV) << " "; |
| 115 | + OS << right_justify("Format", LongestFormat) << " "; |
| 116 | + OS << right_justify("Used", MaskWidth) << "\n"; |
| 117 | + OS << "; "; |
| 118 | + printColumnHeaders(OS, {LongestName, LongestIndex, MaskWidth, LongestRegister, |
| 119 | + LongestSV, LongestFormat, MaskWidth}); |
| 120 | + |
| 121 | + for (auto El : S) { |
| 122 | + OS << "; " << left_justify(S.getName(El.NameOffset), LongestName) << " "; |
| 123 | + OS << right_justify(std::to_string(El.Index), LongestIndex) << " "; |
| 124 | + OS << right_justify(maskToString(El.Mask), MaskWidth) << " "; |
| 125 | + OS << right_justify(std::to_string(El.Register), LongestRegister) << " "; |
| 126 | + OS << right_justify( |
| 127 | + enumToStringRef(El.SystemValue, dxbc::getD3DSystemValues()), |
| 128 | + LongestSV) |
| 129 | + << " "; |
| 130 | + OS << right_justify( |
| 131 | + enumToStringRef(El.CompType, dxbc::getSigComponentTypes()), |
| 132 | + LongestFormat); |
| 133 | + if (El.ExclusiveMask) |
| 134 | + OS << " " << maskToString(El.ExclusiveMask, true); |
| 135 | + OS << "\n"; |
| 136 | + } |
| 137 | +} |
| 138 | + |
| 139 | +void DXContainerDumper::printPrivateHeaders() { |
| 140 | + const DXContainer &C = |
| 141 | + cast<object::DXContainerObjectFile>(Obj).getDXContainer(); |
| 142 | + |
| 143 | + if (!C.getInputSignature().isEmpty()) { |
| 144 | + OS << "; Input signature:\n;\n"; |
| 145 | + printSignature(C.getInputSignature()); |
| 146 | + OS << ";\n"; |
| 147 | + } |
| 148 | + |
| 149 | + if (!C.getOutputSignature().isEmpty()) { |
| 150 | + OS << "; Output signature:\n;\n"; |
| 151 | + printSignature(C.getOutputSignature()); |
| 152 | + OS << ";\n"; |
| 153 | + } |
| 154 | + |
| 155 | + if (!C.getPatchConstantSignature().isEmpty()) { |
| 156 | + OS << "; Patch Constant signature:\n;\n"; |
| 157 | + printSignature(C.getPatchConstantSignature()); |
| 158 | + OS << ";\n"; |
| 159 | + } |
| 160 | +} |
25 | 161 | } // namespace |
26 | 162 |
|
27 | 163 | std::unique_ptr<objdump::Dumper> llvm::objdump::createDXContainerDumper( |
|
0 commit comments