File: AVRTargetObjectFile.cpp

package info (click to toggle)
llvm-toolchain-9 1%3A9.0.1-16
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 882,436 kB
  • sloc: cpp: 4,167,636; ansic: 714,256; asm: 457,610; python: 155,927; objc: 65,094; sh: 42,856; lisp: 26,908; perl: 7,786; pascal: 7,722; makefile: 6,881; ml: 5,581; awk: 3,648; cs: 2,027; xml: 888; javascript: 381; ruby: 156
file content (40 lines) | stat: -rw-r--r-- 1,416 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
//===-- AVRTargetObjectFile.cpp - AVR Object Files ------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include "AVRTargetObjectFile.h"

#include "llvm/BinaryFormat/ELF.h"
#include "llvm/IR/DerivedTypes.h"
#include "llvm/IR/GlobalValue.h"
#include "llvm/IR/Mangler.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCSectionELF.h"

#include "AVR.h"

namespace llvm {
void AVRTargetObjectFile::Initialize(MCContext &Ctx, const TargetMachine &TM) {
  Base::Initialize(Ctx, TM);
  ProgmemDataSection =
      Ctx.getELFSection(".progmem.data", ELF::SHT_PROGBITS, ELF::SHF_ALLOC);
}

MCSection *
AVRTargetObjectFile::SelectSectionForGlobal(const GlobalObject *GO,
                                            SectionKind Kind,
                                            const TargetMachine &TM) const {
  // Global values in flash memory are placed in the progmem.data section
  // unless they already have a user assigned section.
  if (AVR::isProgramMemoryAddress(GO) && !GO->hasSection())
    return ProgmemDataSection;

  // Otherwise, we work the same way as ELF.
  return Base::SelectSectionForGlobal(GO, Kind, TM);
}
} // end of namespace llvm