mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-17 03:30:28 +00:00
ff5f3ab9fe
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@18870 91177308-0d34-0410-b5e6-96231b3b80d8
71 lines
2.2 KiB
C++
71 lines
2.2 KiB
C++
//===- lib/Linker/LinkLibraries.cpp - Link LLVM libraries -----------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file was developed by Reid Spencer and is distributed under the
|
|
// University of Illinois Open Source License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file contains routines to handle finding libraries and linking them in.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#include "llvm/Linker.h"
|
|
#include "llvm/Module.h"
|
|
|
|
using namespace llvm;
|
|
|
|
/// LinkInLibrary - links one library into the HeadModule
|
|
bool
|
|
Linker::LinkInLibrary(const std::string& Lib)
|
|
{
|
|
// Determine where this library lives.
|
|
sys::Path Pathname = FindLib(Lib);
|
|
if (Pathname.isEmpty())
|
|
return warning("Cannot find library '" + Lib + "'");
|
|
|
|
// If its an archive, try to link it in
|
|
if (Pathname.isArchive()) {
|
|
if (LinkInArchive(Pathname)) {
|
|
return error("Cannot link archive '" + Pathname.toString() + "'");
|
|
}
|
|
} else {
|
|
return warning("Supposed library '" + Lib + "' isn't a library.");
|
|
}
|
|
return false;
|
|
}
|
|
|
|
/// LinkLibraries - takes the specified library files and links them into the
|
|
/// main bytecode object file.
|
|
///
|
|
/// Inputs:
|
|
/// Libraries - The list of libraries to link into the module.
|
|
///
|
|
/// Return value:
|
|
/// FALSE - No error.
|
|
/// TRUE - Error.
|
|
///
|
|
bool
|
|
Linker::LinkInLibraries(const std::vector<std::string> &Libraries) {
|
|
|
|
// Process the set of libraries we've been provided
|
|
for (unsigned i = 0; i < Libraries.size(); ++i) {
|
|
if (LinkInLibrary(Libraries[i]))
|
|
return true;
|
|
}
|
|
|
|
// At this point we have processed all the libraries provided to us. Since
|
|
// we have an aggregated module at this point, the dependent libraries in
|
|
// that module should also be aggregated with duplicates eliminated. This is
|
|
// now the time to process the dependent libraries to resolve any remaining
|
|
// symbols.
|
|
const Module::LibraryListType& DepLibs = Composite->getLibraries();
|
|
for (Module::LibraryListType::const_iterator I = DepLibs.begin(),
|
|
E = DepLibs.end(); I != E; ++I) {
|
|
if (LinkInLibrary(*I))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|