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//===- lib/MC/MCModule.cpp - MCModule implementation --------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/MC/MCAtom.h"
#include "llvm/MC/MCModule.h"
using namespace llvm;
MCAtom *MCModule::createAtom(MCAtom::AtomType Type,
uint64_t Begin, uint64_t End) {
assert(Begin < End && "Creating MCAtom with endpoints reversed?");
// Check for atoms already covering this range.
IntervalMap<uint64_t, MCAtom*>::iterator I = OffsetMap.find(Begin);
assert((!I.valid() || I.start() < End) && "Offset range already occupied!");
// Create the new atom and add it to our maps.
MCAtom *NewAtom = new MCAtom(Type, this, Begin, End);
AtomAllocationTracker.insert(NewAtom);
OffsetMap.insert(Begin, End, NewAtom);
return NewAtom;
}
// remap - Update the interval mapping for an atom.
void MCModule::remap(MCAtom *Atom, uint64_t NewBegin, uint64_t NewEnd) {
// Find and erase the old mapping.
IntervalMap<uint64_t, MCAtom*>::iterator I = OffsetMap.find(Atom->Begin);
assert(I.valid() && "Atom offset not found in module!");
assert(*I == Atom && "Previous atom mapping was invalid!");
I.erase();
// Insert the new mapping.
OffsetMap.insert(NewBegin, NewEnd, Atom);
// Update the atom internal bounds.
Atom->Begin = NewBegin;
Atom->End = NewEnd;
}
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