llvm-6502/lib/MC/MCObjectFormat.cpp
Rafael Espindola f230df9af4 Add a MCObjectFormat class so that code common to all targets that use a
single object format can be shared.

This also adds support for

mov zed+(bar-foo), %eax

on ELF and COFF targets.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@116675 91177308-0d34-0410-b5e6-96231b3b80d8
2010-10-16 18:23:53 +00:00

32 lines
1.1 KiB
C++

//===- lib/MC/MCObjectFormat.cpp - MCObjectFormat 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/MCObjectFormat.h"
#include "llvm/MC/MCSymbol.h"
using namespace llvm;
bool MCELFObjectFormat::isAbsolute(bool IsSet, const MCSymbol &A,
const MCSymbol &B) const {
// On ELF A - B is absolute if A and B are in the same section.
return &A.getSection() == &B.getSection();
}
bool MCMachOObjectFormat::isAbsolute(bool IsSet, const MCSymbol &A,
const MCSymbol &B) const {
// On MachO A - B is absolute only if in a set.
return IsSet;
}
bool MCCOFFObjectFormat::isAbsolute(bool IsSet, const MCSymbol &A,
const MCSymbol &B) const {
// On COFF A - B is absolute if A and B are in the same section.
return &A.getSection() == &B.getSection();
}