8006005: Fix constant pool index validation and alignment trap for method parameter reflection
Summary: This patch addresses an alignment trap due to the storage format of method parameters data in constMethod. It also adds code to validate constant pool indexes for method parameters data.
Reviewed-by: jrose, dholmes
Contributed-by: eric.mccorkle@oracle.com
/*
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* Copyright 2008, 2009 Red Hat, Inc.
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#ifndef SHARE_VM_SHARK_LLVMVALUE_HPP
#define SHARE_VM_SHARK_LLVMVALUE_HPP
#include "shark/llvmHeaders.hpp"
#include "shark/sharkContext.hpp"
#include "shark/sharkType.hpp"
class LLVMValue : public AllStatic {
public:
static llvm::ConstantInt* jbyte_constant(jbyte value)
{
return llvm::ConstantInt::get(SharkType::jbyte_type(), value, true);
}
static llvm::ConstantInt* jint_constant(jint value)
{
return llvm::ConstantInt::get(SharkType::jint_type(), value, true);
}
static llvm::ConstantInt* jlong_constant(jlong value)
{
return llvm::ConstantInt::get(SharkType::jlong_type(), value, true);
}
static llvm::ConstantFP* jfloat_constant(jfloat value)
{
return llvm::ConstantFP::get(SharkContext::current(), llvm::APFloat(value));
}
static llvm::ConstantFP* jdouble_constant(jdouble value)
{
return llvm::ConstantFP::get(SharkContext::current(), llvm::APFloat(value));
}
static llvm::ConstantPointerNull* null()
{
return llvm::ConstantPointerNull::get(SharkType::oop_type());
}
static llvm::ConstantPointerNull* nullKlass()
{
return llvm::ConstantPointerNull::get(SharkType::klass_type());
}
public:
static llvm::ConstantInt* bit_constant(int value)
{
return llvm::ConstantInt::get(SharkType::bit_type(), value, false);
}
static llvm::ConstantInt* intptr_constant(intptr_t value)
{
return llvm::ConstantInt::get(SharkType::intptr_type(), value, false);
}
};
#endif // SHARE_VM_SHARK_LLVMVALUE_HPP