mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-12-18 10:31:57 +00:00
b9ef7648b8
PIC16Section will move to MCSectionPIC16. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@80021 91177308-0d34-0410-b5e6-96231b3b80d8
87 lines
3.1 KiB
C++
87 lines
3.1 KiB
C++
//===- MCSectionPIC16.h - PIC16-specific section representation -*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// This file declares the MCSectionPIC16 class.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef LLVM_PIC16SECTION_H
|
|
#define LLVM_PIC16SECTION_H
|
|
|
|
#include "llvm/MC/MCSection.h"
|
|
|
|
namespace llvm {
|
|
|
|
/// MCSectionPIC16 - Represents a physical section in PIC16 COFF.
|
|
/// Contains data objects.
|
|
///
|
|
class MCSectionPIC16 : public MCSection {
|
|
/// Name of the section to uniquely identify it.
|
|
std::string Name;
|
|
|
|
/// User can specify an address at which a section should be placed.
|
|
/// Negative value here means user hasn't specified any.
|
|
int Address;
|
|
|
|
/// FIXME: Keep overlay information here. uncomment the decl below.
|
|
/// Overlay information - Sections with same color can be overlaid on
|
|
/// one another.
|
|
/// std::string Color;
|
|
|
|
/// Conatined data objects.
|
|
std::vector<const GlobalVariable *>Items;
|
|
|
|
/// Total size of all data objects contained here.
|
|
unsigned Size;
|
|
|
|
MCSectionPIC16(const StringRef &name, SectionKind K, int addr)
|
|
: MCSection(K), Name(name), Address(addr) {
|
|
}
|
|
|
|
public:
|
|
/// Return the name of the section.
|
|
const std::string &getName() const { return Name; }
|
|
|
|
/// Return the Address of the section.
|
|
int getAddress() const { return Address; }
|
|
|
|
/// PIC16 Terminology for section kinds is as below.
|
|
/// UDATA - BSS
|
|
/// IDATA - initialized data (equiv to Metadata)
|
|
/// ROMDATA - ReadOnly.
|
|
/// UDATA_OVR - Sections that can be overlaid. Section of such type is
|
|
/// used to contain function autos an frame. We can think of
|
|
/// it as equiv to llvm ThreadBSS)
|
|
/// So, let's have some convenience functions to Map PIC16 Section types
|
|
/// to SectionKind just for the sake of better readability.
|
|
static SectionKind UDATA_Kind() { return SectionKind::getBSS(); }
|
|
static SectionKind IDATA_Kind() { return SectionKind::getMetadata(); }
|
|
static SectionKind ROMDATA_Kind() { return SectionKind::getReadOnly(); }
|
|
static SectionKind UDATA_OVR_Kind() { return SectionKind::getThreadBSS(); }
|
|
|
|
// If we could just do getKind() == UDATA_Kind() ?
|
|
bool isUDATA_Kind() { return getKind().isBSS(); }
|
|
bool isIDATA_Kind() { return getKind().isMetadata(); }
|
|
bool isROMDATA_Kind() { return getKind().isMetadata(); }
|
|
bool isUDATA_OVR_Kind() { return getKind().isThreadBSS(); }
|
|
|
|
/// This would be the only way to create a section.
|
|
static MCSectionPIC16 *Create(const StringRef &Name, SectionKind K,
|
|
int Address, MCContext &Ctx);
|
|
|
|
/// Override this as PIC16 has its own way of printing switching
|
|
/// to a section.
|
|
virtual void PrintSwitchToSection(const MCAsmInfo &MAI,
|
|
raw_ostream &OS) const;
|
|
};
|
|
|
|
} // end namespace llvm
|
|
|
|
#endif
|