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, 2010 Red Hat, Inc.
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#ifndef SHARE_VM_SHARK_SHARKRUNTIME_HPP
#define SHARE_VM_SHARK_SHARKRUNTIME_HPP
#include "memory/allocation.hpp"
#include "runtime/thread.hpp"
#include "shark/llvmHeaders.hpp"
#include "shark/llvmValue.hpp"
class SharkRuntime : public AllStatic {
// VM calls
public:
static int find_exception_handler(JavaThread* thread,
int* indexes,
int num_indexes);
static void monitorenter(JavaThread* thread, BasicObjectLock* lock);
static void monitorexit(JavaThread* thread, BasicObjectLock* lock);
static void new_instance(JavaThread* thread, int index);
static void newarray(JavaThread* thread, BasicType type, int size);
static void anewarray(JavaThread* thread, int index, int size);
static void multianewarray(JavaThread* thread,
int index,
int ndims,
int* dims);
static void register_finalizer(JavaThread* thread, oop object);
static void throw_ArithmeticException(JavaThread* thread,
const char* file,
int line);
static void throw_ArrayIndexOutOfBoundsException(JavaThread* thread,
const char* file,
int line,
int index);
static void throw_ClassCastException(JavaThread* thread,
const char* file,
int line);
static void throw_NullPointerException(JavaThread* thread,
const char* file,
int line);
// Helpers for VM calls
private:
static const SharkFrame* last_frame(JavaThread *thread) {
return thread->last_frame().zero_sharkframe();
}
static Method* method(JavaThread *thread) {
return last_frame(thread)->method();
}
static address bcp(JavaThread *thread, int bci) {
return method(thread)->code_base() + bci;
}
static int two_byte_index(JavaThread *thread, int bci) {
return Bytes::get_Java_u2(bcp(thread, bci) + 1);
}
static intptr_t tos_at(JavaThread *thread, int offset) {
return *(thread->zero_stack()->sp() + offset);
}
// Non-VM calls
public:
static void dump(const char *name, intptr_t value);
static bool is_subtype_of(Klass* check_klass, Klass* object_klass);
static int uncommon_trap(JavaThread* thread, int trap_request);
};
#endif // SHARE_VM_SHARK_SHARKRUNTIME_HPP