blob: 6dd89849a2b715a1bfac7c14fe6013274d1cf70a (
plain)
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
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
//===-- SparcTargetStreamer.cpp - Sparc Target Streamer Methods -----------===//
//
// 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
//
//===----------------------------------------------------------------------===//
//
// This file provides Sparc specific target streamer methods.
//
//===----------------------------------------------------------------------===//
#include "SparcTargetStreamer.h"
#include "SparcInstPrinter.h"
#include "SparcMCTargetDesc.h"
#include "llvm/BinaryFormat/ELF.h"
#include "llvm/MC/MCELFObjectWriter.h"
#include "llvm/MC/MCRegister.h"
#include "llvm/MC/MCSubtargetInfo.h"
#include "llvm/Support/FormattedStream.h"
using namespace llvm;
static unsigned getEFlagsForFeatureSet(const MCSubtargetInfo &STI) {
unsigned EFlags = 0;
if (STI.hasFeature(Sparc::FeatureV8Plus))
EFlags |= ELF::EF_SPARC_32PLUS;
if (STI.hasFeature(Sparc::FeatureVIS))
EFlags |= ELF::EF_SPARC_SUN_US1;
if (STI.hasFeature(Sparc::FeatureVIS2))
EFlags |= ELF::EF_SPARC_SUN_US3;
// VIS 3 and other ISA extensions doesn't set any flags.
return EFlags;
}
// pin vtable to this file
SparcTargetStreamer::SparcTargetStreamer(MCStreamer &S) : MCTargetStreamer(S) {}
void SparcTargetStreamer::anchor() {}
SparcTargetAsmStreamer::SparcTargetAsmStreamer(MCStreamer &S,
formatted_raw_ostream &OS)
: SparcTargetStreamer(S), OS(OS) {}
void SparcTargetAsmStreamer::emitSparcRegisterIgnore(unsigned reg) {
OS << "\t.register "
<< "%" << StringRef(SparcInstPrinter::getRegisterName(reg)).lower()
<< ", #ignore\n";
}
void SparcTargetAsmStreamer::emitSparcRegisterScratch(unsigned reg) {
OS << "\t.register "
<< "%" << StringRef(SparcInstPrinter::getRegisterName(reg)).lower()
<< ", #scratch\n";
}
SparcTargetELFStreamer::SparcTargetELFStreamer(MCStreamer &S,
const MCSubtargetInfo &STI)
: SparcTargetStreamer(S) {
ELFObjectWriter &W = getStreamer().getWriter();
unsigned EFlags = W.getELFHeaderEFlags();
EFlags |= getEFlagsForFeatureSet(STI);
W.setELFHeaderEFlags(EFlags);
}
MCELFStreamer &SparcTargetELFStreamer::getStreamer() {
return static_cast<MCELFStreamer &>(Streamer);
}
|
