1 //===- lib/MC/MCModule.cpp - MCModule implementation ----------------------===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 #include "llvm/MC/MCModule.h"
11 #include "llvm/MC/MCAtom.h"
12 #include "llvm/MC/MCFunction.h"
17 static bool AtomComp(const MCAtom *L, uint64_t Addr) {
18 return L->getEndAddr() < Addr;
21 void MCModule::map(MCAtom *NewAtom) {
22 uint64_t Begin = NewAtom->Begin;
24 assert(Begin < NewAtom->End && "Creating MCAtom with endpoints reversed?");
26 // Check for atoms already covering this range.
27 AtomListTy::iterator I = std::lower_bound(atom_begin(), atom_end(),
29 assert((I == atom_end() || (*I)->getBeginAddr() > NewAtom->End)
30 && "Offset range already occupied!");
32 // Insert the new atom to the list.
33 Atoms.insert(I, NewAtom);
36 MCTextAtom *MCModule::createTextAtom(uint64_t Begin, uint64_t End) {
37 MCTextAtom *NewAtom = new MCTextAtom(this, Begin, End);
42 MCDataAtom *MCModule::createDataAtom(uint64_t Begin, uint64_t End) {
43 MCDataAtom *NewAtom = new MCDataAtom(this, Begin, End);
48 // remap - Update the interval mapping for an atom.
49 void MCModule::remap(MCAtom *Atom, uint64_t NewBegin, uint64_t NewEnd) {
50 // Find and erase the old mapping.
51 AtomListTy::iterator I = std::lower_bound(atom_begin(), atom_end(),
52 Atom->Begin, AtomComp);
53 assert(I != atom_end() && "Atom offset not found in module!");
54 assert(*I == Atom && "Previous atom mapping was invalid!");
57 // Insert the new mapping.
58 AtomListTy::iterator NewI = std::lower_bound(atom_begin(), atom_end(),
60 Atoms.insert(NewI, Atom);
62 // Update the atom internal bounds.
63 Atom->Begin = NewBegin;
67 const MCAtom *MCModule::findAtomContaining(uint64_t Addr) const {
68 AtomListTy::const_iterator I = std::lower_bound(atom_begin(), atom_end(),
70 if (I != atom_end() && (*I)->getBeginAddr() <= Addr)
75 MCAtom *MCModule::findAtomContaining(uint64_t Addr) {
76 AtomListTy::iterator I = std::lower_bound(atom_begin(), atom_end(),
78 if (I != atom_end() && (*I)->getBeginAddr() <= Addr)
83 MCFunction *MCModule::createFunction(const StringRef &Name) {
84 Functions.push_back(new MCFunction(Name));
85 return Functions.back();
88 MCModule::~MCModule() {
89 for (AtomListTy::iterator AI = atom_begin(),
93 for (FunctionListTy::iterator FI = func_begin(),