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
76
77
78
79
80
81
82
83
84
85
86
87
88
|
//===-- SystemZMCAsmInfo.cpp - SystemZ asm properties ---------------------===//
//
// 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 "SystemZMCAsmInfo.h"
#include "llvm/MC/MCContext.h"
#include "llvm/MC/MCExpr.h"
#include "llvm/MC/MCValue.h"
using namespace llvm;
const MCAsmInfo::AtSpecifier atSpecifiers[] = {
{SystemZ::S_DTPOFF, "DTPOFF"}, {SystemZ::S_GOT, "GOT"},
{SystemZ::S_GOTENT, "GOTENT"}, {SystemZ::S_INDNTPOFF, "INDNTPOFF"},
{SystemZ::S_NTPOFF, "NTPOFF"}, {SystemZ::S_PLT, "PLT"},
{SystemZ::S_TLSGD, "TLSGD"}, {SystemZ::S_TLSLD, "TLSLD"},
{SystemZ::S_TLSLDM, "TLSLDM"},
};
SystemZMCAsmInfoELF::SystemZMCAsmInfoELF(const Triple &TT) {
AssemblerDialect = AD_GNU;
CalleeSaveStackSlotSize = 8;
CodePointerSize = 8;
Data64bitsDirective = "\t.quad\t";
ExceptionsType = ExceptionHandling::DwarfCFI;
IsLittleEndian = false;
MaxInstLength = 6;
SupportsDebugInformation = true;
UsesELFSectionDirectiveForBSS = true;
ZeroDirective = "\t.space\t";
initializeAtSpecifiers(atSpecifiers);
}
SystemZMCAsmInfoGOFF::SystemZMCAsmInfoGOFF(const Triple &TT) {
AllowAdditionalComments = false;
AllowAtInName = true;
AllowAtAtStartOfIdentifier = true;
AllowDollarAtStartOfIdentifier = true;
AssemblerDialect = AD_HLASM;
CalleeSaveStackSlotSize = 8;
CodePointerSize = 8;
CommentString = "*";
UsesSetToEquateSymbol = true;
ExceptionsType = ExceptionHandling::ZOS;
IsHLASM = true;
IsLittleEndian = false;
MaxInstLength = 6;
SupportsDebugInformation = true;
initializeAtSpecifiers(atSpecifiers);
}
bool SystemZMCAsmInfoGOFF::isAcceptableChar(char C) const {
return MCAsmInfo::isAcceptableChar(C) || C == '#';
}
void SystemZMCAsmInfoGOFF::printSpecifierExpr(
raw_ostream &OS, const MCSpecifierExpr &Expr) const {
switch (Expr.getSpecifier()) {
case SystemZ::S_None:
OS << "A";
break;
case SystemZ::S_RCon:
OS << "R";
break;
case SystemZ::S_VCon:
OS << "V";
break;
default:
llvm_unreachable("Invalid kind");
}
OS << '(';
printExpr(OS, *Expr.getSubExpr());
OS << ')';
}
bool SystemZMCAsmInfoGOFF::evaluateAsRelocatableImpl(
const MCSpecifierExpr &Expr, MCValue &Res, const MCAssembler *Asm) const {
if (!Expr.getSubExpr()->evaluateAsRelocatable(Res, Asm))
return false;
Res.setSpecifier(Expr.getSpecifier());
return true;
}
|
