116 lines
4.3 KiB
C++
116 lines
4.3 KiB
C++
#include "rustllvm.h"
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#include "llvm/ProfileData/Coverage/CoverageMapping.h"
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#include "llvm/ProfileData/Coverage/CoverageMappingWriter.h"
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#include "llvm/ProfileData/InstrProf.h"
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#include "llvm/ADT/ArrayRef.h"
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#include <iostream>
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using namespace llvm;
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extern "C" SmallVectorTemplateBase<coverage::CounterExpression>
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*LLVMRustCoverageSmallVectorCounterExpressionCreate() {
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return new SmallVector<coverage::CounterExpression, 32>();
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}
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extern "C" void LLVMRustCoverageSmallVectorCounterExpressionDispose(
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SmallVectorTemplateBase<coverage::CounterExpression> *Vector) {
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delete Vector;
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}
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extern "C" void LLVMRustCoverageSmallVectorCounterExpressionAdd(
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SmallVectorTemplateBase<coverage::CounterExpression> *Expressions,
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coverage::CounterExpression::ExprKind Kind,
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unsigned LeftIndex,
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unsigned RightIndex) {
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auto LHS = coverage::Counter::getCounter(LeftIndex);
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auto RHS = coverage::Counter::getCounter(RightIndex);
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Expressions->push_back(coverage::CounterExpression { Kind, LHS, RHS });
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}
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extern "C" SmallVectorTemplateBase<coverage::CounterMappingRegion>
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*LLVMRustCoverageSmallVectorCounterMappingRegionCreate() {
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return new SmallVector<coverage::CounterMappingRegion, 32>();
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}
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extern "C" void LLVMRustCoverageSmallVectorCounterMappingRegionDispose(
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SmallVectorTemplateBase<coverage::CounterMappingRegion> *Vector) {
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delete Vector;
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}
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extern "C" void LLVMRustCoverageSmallVectorCounterMappingRegionAdd(
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SmallVectorTemplateBase<coverage::CounterMappingRegion> *MappingRegions,
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unsigned Index,
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unsigned FileID,
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unsigned LineStart,
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unsigned ColumnStart,
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unsigned LineEnd,
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unsigned ColumnEnd) {
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auto Counter = coverage::Counter::getCounter(Index);
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MappingRegions->push_back(coverage::CounterMappingRegion::makeRegion(
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Counter, FileID, LineStart,
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ColumnStart, LineEnd, ColumnEnd));
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// FIXME(richkadel): As applicable, implement additional CounterMappingRegion types using the
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// static method alternatives to `coverage::CounterMappingRegion::makeRegion`:
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//
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// makeExpansion(unsigned FileID, unsigned ExpandedFileID, unsigned LineStart,
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// unsigned ColumnStart, unsigned LineEnd, unsigned ColumnEnd) {
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// makeSkipped(unsigned FileID, unsigned LineStart, unsigned ColumnStart,
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// unsigned LineEnd, unsigned ColumnEnd) {
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// makeGapRegion(Counter Count, unsigned FileID, unsigned LineStart,
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// unsigned ColumnStart, unsigned LineEnd, unsigned ColumnEnd) {
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}
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extern "C" void LLVMRustCoverageWriteFilenamesSectionToBuffer(
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const char* const Filenames[],
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size_t FilenamesLen,
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RustStringRef BufferOut) {
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SmallVector<StringRef,32> FilenameRefs;
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for (size_t i = 0; i < FilenamesLen; i++) {
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FilenameRefs.push_back(StringRef(Filenames[i]));
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}
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auto FilenamesWriter = coverage::CoverageFilenamesSectionWriter(
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makeArrayRef(FilenameRefs));
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RawRustStringOstream OS(BufferOut);
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FilenamesWriter.write(OS);
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}
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extern "C" void LLVMRustCoverageWriteMappingToBuffer(
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const unsigned *VirtualFileMappingIDs,
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unsigned NumVirtualFileMappingIDs,
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const SmallVectorImpl<coverage::CounterExpression> *Expressions,
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SmallVectorImpl<coverage::CounterMappingRegion> *MappingRegions,
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RustStringRef BufferOut) {
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auto CoverageMappingWriter = coverage::CoverageMappingWriter(
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makeArrayRef(VirtualFileMappingIDs, NumVirtualFileMappingIDs),
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makeArrayRef(*Expressions),
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MutableArrayRef<coverage::CounterMappingRegion> { *MappingRegions });
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RawRustStringOstream OS(BufferOut);
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CoverageMappingWriter.write(OS);
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}
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extern "C" uint64_t LLVMRustCoverageComputeHash(const char *Name) {
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StringRef NameRef(Name);
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return IndexedInstrProf::ComputeHash(NameRef);
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}
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extern "C" void LLVMRustCoverageWriteSectionNameToString(LLVMModuleRef M,
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RustStringRef Str) {
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Triple TargetTriple(unwrap(M)->getTargetTriple());
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auto name = getInstrProfSectionName(IPSK_covmap,
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TargetTriple.getObjectFormat());
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RawRustStringOstream OS(Str);
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OS << name;
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}
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extern "C" void LLVMRustCoverageWriteMappingVarNameToString(RustStringRef Str) {
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auto name = getCoverageMappingVarName();
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RawRustStringOstream OS(Str);
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OS << name;
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}
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extern "C" uint32_t LLVMRustCoverageMappingVersion() {
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return coverage::CovMapVersion::CurrentVersion;
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}
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