mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-27 15:29:51 +00:00
In these builds, the asserts() are completely compiled out of the code leaving "End" unused. Directly accessing it, should not have a performance impact, as it is just a data member. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@182634 91177308-0d34-0410-b5e6-96231b3b80d8
98 lines
3.1 KiB
C++
98 lines
3.1 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/MCModule.h"
|
|
#include "llvm/MC/MCAtom.h"
|
|
#include "llvm/MC/MCFunction.h"
|
|
#include <algorithm>
|
|
|
|
using namespace llvm;
|
|
|
|
static bool AtomComp(const MCAtom *L, uint64_t Addr) {
|
|
return L->getEndAddr() < Addr;
|
|
}
|
|
|
|
void MCModule::map(MCAtom *NewAtom) {
|
|
uint64_t Begin = NewAtom->Begin;
|
|
|
|
assert(Begin < NewAtom->End && "Creating MCAtom with endpoints reversed?");
|
|
|
|
// Check for atoms already covering this range.
|
|
AtomListTy::iterator I = std::lower_bound(atom_begin(), atom_end(),
|
|
Begin, AtomComp);
|
|
assert((I == atom_end() || (*I)->getBeginAddr() > NewAtom->End)
|
|
&& "Offset range already occupied!");
|
|
|
|
// Insert the new atom to the list.
|
|
Atoms.insert(I, NewAtom);
|
|
}
|
|
|
|
MCTextAtom *MCModule::createTextAtom(uint64_t Begin, uint64_t End) {
|
|
MCTextAtom *NewAtom = new MCTextAtom(this, Begin, End);
|
|
map(NewAtom);
|
|
return NewAtom;
|
|
}
|
|
|
|
MCDataAtom *MCModule::createDataAtom(uint64_t Begin, uint64_t End) {
|
|
MCDataAtom *NewAtom = new MCDataAtom(this, Begin, End);
|
|
map(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.
|
|
AtomListTy::iterator I = std::lower_bound(atom_begin(), atom_end(),
|
|
Atom->Begin, AtomComp);
|
|
assert(I != atom_end() && "Atom offset not found in module!");
|
|
assert(*I == Atom && "Previous atom mapping was invalid!");
|
|
Atoms.erase(I);
|
|
|
|
// Insert the new mapping.
|
|
AtomListTy::iterator NewI = std::lower_bound(atom_begin(), atom_end(),
|
|
NewBegin, AtomComp);
|
|
Atoms.insert(NewI, Atom);
|
|
|
|
// Update the atom internal bounds.
|
|
Atom->Begin = NewBegin;
|
|
Atom->End = NewEnd;
|
|
}
|
|
|
|
const MCAtom *MCModule::findAtomContaining(uint64_t Addr) const {
|
|
AtomListTy::const_iterator I = std::lower_bound(atom_begin(), atom_end(),
|
|
Addr, AtomComp);
|
|
if (I != atom_end() && (*I)->getBeginAddr() <= Addr)
|
|
return *I;
|
|
return 0;
|
|
}
|
|
|
|
MCAtom *MCModule::findAtomContaining(uint64_t Addr) {
|
|
AtomListTy::iterator I = std::lower_bound(atom_begin(), atom_end(),
|
|
Addr, AtomComp);
|
|
if (I != atom_end() && (*I)->getBeginAddr() <= Addr)
|
|
return *I;
|
|
return 0;
|
|
}
|
|
|
|
MCFunction *MCModule::createFunction(const StringRef &Name) {
|
|
Functions.push_back(new MCFunction(Name));
|
|
return Functions.back();
|
|
}
|
|
|
|
MCModule::~MCModule() {
|
|
for (AtomListTy::iterator AI = atom_begin(),
|
|
AE = atom_end();
|
|
AI != AE; ++AI)
|
|
delete *AI;
|
|
for (FunctionListTy::iterator FI = func_begin(),
|
|
FE = func_end();
|
|
FI != FE; ++FI)
|
|
delete *FI;
|
|
}
|