llvm-6502/lib/MC/MCInstPrinter.cpp
Kevin Enderby 14ccc9007a Added a option to the disassembler to print immediates as hex.
This is for the lldb team so most of but not all of the values are
to be printed as hex with this option.  Some small values like the
scale in an X86 address were requested to printed in decimal
without the leading 0x.

There may be some tweaks need to places that may still be in
decimal that they want in hex.  Specially for arm.  I made my best
guess.  Any tweaks from here should be simple.

I also did the best I know now with help from the C++ gurus
creating the cleanest formatImm() utility function and containing
the changes.  But if someone has a better idea to make something
cleaner I'm all ears and game for changing the implementation.

rdar://8109283



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@169393 91177308-0d34-0410-b5e6-96231b3b80d8
2012-12-05 18:13:19 +00:00

62 lines
1.7 KiB
C++

//===-- MCInstPrinter.cpp - Convert an MCInst to target assembly syntax ---===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/MC/MCInstPrinter.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/MC/MCAsmInfo.h"
#include "llvm/MC/MCInstrInfo.h"
#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/raw_ostream.h"
using namespace llvm;
MCInstPrinter::~MCInstPrinter() {
}
/// getOpcodeName - Return the name of the specified opcode enum (e.g.
/// "MOV32ri") or empty if we can't resolve it.
StringRef MCInstPrinter::getOpcodeName(unsigned Opcode) const {
return MII.getName(Opcode);
}
void MCInstPrinter::printRegName(raw_ostream &OS, unsigned RegNo) const {
llvm_unreachable("Target should implement this");
}
void MCInstPrinter::printAnnotation(raw_ostream &OS, StringRef Annot) {
if (!Annot.empty()) {
if (CommentStream)
(*CommentStream) << Annot;
else
OS << " " << MAI.getCommentString() << " " << Annot;
}
}
/// Utility functions to make adding mark ups simpler.
StringRef MCInstPrinter::markup(StringRef s) const {
if (getUseMarkup())
return s;
else
return "";
}
StringRef MCInstPrinter::markup(StringRef a, StringRef b) const {
if (getUseMarkup())
return a;
else
return b;
}
/// Utility function to print immediates in decimal or hex.
format_object1<int64_t> MCInstPrinter::formatImm(const int64_t Value) const {
if (getPrintImmHex())
return format("0x%llx", Value);
else
return format("%lld", Value);
}