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Lang Hames0000afd2015-06-26 23:56:53 +00001//===-------- StackMapPrinter.h - Pretty-print stackmaps --------*- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9
10#ifndef LLVM_TOOLS_LLVM_READOBJ_STACKMAPPRINTER_H
11#define LLVM_TOOLS_LLVM_READOBJ_STACKMAPPRINTER_H
12
13#include "llvm/Object/StackMapParser.h"
14
15namespace llvm {
16
17// Pretty print a stackmap to the given ostream.
18template <typename OStreamT, typename StackMapParserT>
19void prettyPrintStackMap(OStreamT &OS, const StackMapParserT &SMP) {
20
21 OS << "LLVM StackMap Version: " << SMP.getVersion()
22 << "\nNum Functions: " << SMP.getNumFunctions();
23
24 // Functions:
25 for (const auto &F : SMP.functions())
26 OS << "\n Function address: " << F.getFunctionAddress()
Sanjoy Das23f06e52016-09-14 20:22:03 +000027 << ", stack size: " << F.getStackSize()
28 << ", callsite record count: " << F.getRecordCount();
Lang Hames0000afd2015-06-26 23:56:53 +000029
30 // Constants:
31 OS << "\nNum Constants: " << SMP.getNumConstants();
32 unsigned ConstantIndex = 0;
33 for (const auto &C : SMP.constants())
34 OS << "\n #" << ++ConstantIndex << ": " << C.getValue();
35
36 // Records:
37 OS << "\nNum Records: " << SMP.getNumRecords();
38 for (const auto &R : SMP.records()) {
39 OS << "\n Record ID: " << R.getID()
40 << ", instruction offset: " << R.getInstructionOffset()
41 << "\n " << R.getNumLocations() << " locations:";
42
43 unsigned LocationIndex = 0;
44 for (const auto &Loc : R.locations()) {
45 OS << "\n #" << ++LocationIndex << ": ";
46 switch (Loc.getKind()) {
47 case StackMapParserT::LocationKind::Register:
48 OS << "Register R#" << Loc.getDwarfRegNum();
49 break;
50 case StackMapParserT::LocationKind::Direct:
51 OS << "Direct R#" << Loc.getDwarfRegNum() << " + "
52 << Loc.getOffset();
53 break;
54 case StackMapParserT::LocationKind::Indirect:
55 OS << "Indirect [R#" << Loc.getDwarfRegNum() << " + "
56 << Loc.getOffset() << "]";
57 break;
58 case StackMapParserT::LocationKind::Constant:
59 OS << "Constant " << Loc.getSmallConstant();
60 break;
61 case StackMapParserT::LocationKind::ConstantIndex:
62 OS << "ConstantIndex #" << Loc.getConstantIndex() << " ("
63 << SMP.getConstant(Loc.getConstantIndex()).getValue() << ")";
64 break;
65 }
66 }
67
68 OS << "\n " << R.getNumLiveOuts() << " live-outs: [ ";
69 for (const auto &LO : R.liveouts())
70 OS << "R#" << LO.getDwarfRegNum() << " ("
71 << LO.getSizeInBytes() << "-bytes) ";
72 OS << "]\n";
73 }
74
75 OS << "\n";
76
77}
78
79}
80
81#endif