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Fixed crash in debug info (#3491)

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Fixed crash in debug info
This commit is contained in:
Igor Chevdar
2019-10-24 19:48:08 +03:00
committed by GitHub
parent 5aca1db362
commit ac97437ddb
7 changed files with 39 additions and 47 deletions
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llvmDebugInfoC/src/main/cpp/DebugInfoC.cpp
+34 -34
View File
@@ -14,6 +14,7 @@
* limitations under the License.
*/
#include <assert.h>
#include <llvm/IR/DebugInfo.h>
#include <llvm/IR/Function.h>
#include <llvm/IR/IRBuilder.h>
@@ -21,6 +22,7 @@
#include <llvm/IR/DebugInfoMetadata.h>
#include <llvm/IR/Instruction.h>
#include <llvm/Support/Casting.h>
#include <llvm-c/DebugInfo.h>
#include "DebugInfoC.h"
/**
* c++ --std=c++14 llvmDebugInfoC/src/DebugInfoC.cpp -IllvmDebugInfoC/include/ -Idependencies/all/clang+llvm-3.9.0-darwin-macos/include -Ldependencies/all/clang+llvm-3.9.0-darwin-macos/lib -lLLVMCore -lLLVMSupport -lncurses -shared -o libLLVMDebugInfoC.dylib
@@ -52,20 +54,11 @@ DEFINE_SIMPLE_CONVERSION_FUNCTIONS(DIExpression, DIExpressionRef)
#define DI_FORWARD_DECLARAION (4)
extern "C" {
DIBuilderRef DICreateBuilder(LLVMModuleRef module) {
return llvm::wrap(new llvm::DIBuilder(* llvm::unwrap(module)));
}
void DIFinalize(DIBuilderRef builder) {
auto diBuilder = llvm::unwrap(builder);
diBuilder->finalize();
}
void DIDispose(DIBuilderRef builder) {
auto diBuilder = llvm::unwrap(builder);
delete diBuilder;
}
DICompileUnitRef DICreateCompilationUnit(DIBuilderRef builder, unsigned int lang,
const char *file, const char* dir,
const char * producer, int isOptimized,
@@ -128,21 +121,15 @@ DICompositeTypeRef DICreateStructType(DIBuilderRef refBuilder,
DICompositeTypeRef refPlace) {
auto builder = llvm::unwrap(refBuilder);
if ((flags & DI_FORWARD_DECLARAION) != 0) {
return llvm::wrap(builder->createStructType(llvm::unwrap(scope), name, NULL, 0, 0, 0, (llvm::DINode::DIFlags)flags, NULL, NULL));
auto tmp = builder->createReplaceableCompositeType(
llvm::dwarf::DW_TAG_structure_type, name, llvm::unwrap(scope), llvm::unwrap(file), lineNumber, 0, sizeInBits, alignInBits,
(llvm::DINode::DIFlags)flags);
builder->replaceTemporary(llvm::TempDIType(tmp), tmp);
builder->retainType(tmp);
return llvm::wrap(tmp);
}
std::vector<llvm::Metadata *> typeElements;
for(int i = 0; i < elementsCount; ++i) {
typeElements.push_back(llvm::unwrap(elements[i]));
}
auto elementsArray = builder->getOrCreateArray(typeElements);
auto composite = builder->createStructType(llvm::unwrap(scope),
name, llvm::unwrap(file),
lineNumber,
sizeInBits, alignInBits, (llvm::DINode::DIFlags)flags,
llvm::unwrap(derivedFrom),
elementsArray);
builder->replaceTemporary(llvm::TempDIType(llvm::unwrap(refPlace)), composite);
return llvm::wrap(composite);
assert(false);
return nullptr;
}
@@ -152,8 +139,10 @@ DICompositeTypeRef DICreateArrayType(DIBuilderRef refBuilder,
uint64_t elementsCount) {
auto builder = llvm::unwrap(refBuilder);
auto range = std::vector<llvm::Metadata*>({llvm::dyn_cast<llvm::Metadata>(builder->getOrCreateSubrange(0, size))});
return llvm::wrap(builder->createArrayType(size, alignInBits, llvm::unwrap(refType),
builder->getOrCreateArray(range)));
auto type = builder->createArrayType(size, alignInBits, llvm::unwrap(refType),
builder->getOrCreateArray(range));
builder->retainType(type);
return llvm::wrap(type);
}
@@ -185,20 +174,29 @@ DICompositeTypeRef DICreateReplaceableCompositeType(DIBuilderRef refBuilder,
DIScopeOpaqueRef refScope,
DIFileRef refFile,
unsigned line) {
return llvm::wrap(llvm::unwrap(refBuilder)->createReplaceableCompositeType(
tag, name, llvm::unwrap(refScope), llvm::unwrap(refFile), line));
auto builder = llvm::unwrap(refBuilder);
auto type = builder->createReplaceableCompositeType(
tag, name, llvm::unwrap(refScope), llvm::unwrap(refFile), line);
builder->retainType(type);
return llvm::wrap(type);
}
DIDerivedTypeRef DICreateReferenceType(DIBuilderRef refBuilder, DITypeOpaqueRef refType) {
return llvm::wrap(llvm::unwrap(refBuilder)->createReferenceType(
llvm::dwarf::DW_TAG_reference_type,
llvm::unwrap(refType)));
auto builder = llvm::unwrap(refBuilder);
auto type = builder->createReferenceType(
llvm::dwarf::DW_TAG_reference_type,
llvm::unwrap(refType));
builder->retainType(type);
return llvm::wrap(type);
}
DIDerivedTypeRef DICreatePointerType(DIBuilderRef refBuilder, DITypeOpaqueRef refType) {
return llvm::wrap(llvm::unwrap(refBuilder)->createReferenceType(
llvm::dwarf::DW_TAG_pointer_type,
llvm::unwrap(refType)));
auto builder = llvm::unwrap(refBuilder);
auto type = builder->createReferenceType(
llvm::dwarf::DW_TAG_pointer_type,
llvm::unwrap(refType));
builder->retainType(type);
return llvm::wrap(type);
}
DISubroutineTypeRef DICreateSubroutineType(DIBuilderRef builder,
@@ -210,7 +208,9 @@ DISubroutineTypeRef DICreateSubroutineType(DIBuilderRef builder,
}
llvm::DIBuilder *b = llvm::unwrap(builder);
llvm::DITypeRefArray typeArray = b->getOrCreateTypeArray(parameterTypes);
return llvm::wrap(b->createSubroutineType(typeArray));
auto type = b->createSubroutineType(typeArray);
b->retainType(type);
return llvm::wrap(type);
}
void DIFunctionAddSubprogram(LLVMValueRef fn, DISubprogramRef sp) {
llvmDebugInfoC/src/main/include/DebugInfoC.h
-2
View File
@@ -38,9 +38,7 @@ typedef struct DILocation *DILocationRef;
typedef struct DILocalVariable *DILocalVariableRef;
typedef struct DIExpression *DIExpressionRef;
DIBuilderRef DICreateBuilder(LLVMModuleRef module);
void DIFinalize(DIBuilderRef builder);
void DIDispose(DIBuilderRef builder);
DICompileUnitRef DICreateCompilationUnit(DIBuilderRef builder, unsigned int lang, const char *File, const char* dir, const char * producer, int isOptimized, const char * flags, unsigned int rv);