mirror of
https://github.com/RPCS3/llvm-mirror.git
synced 2024-12-12 05:56:28 +00:00
46 lines
1.5 KiB
C++
46 lines
1.5 KiB
C++
//===- 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;
|
|
}
|
|
|