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Side by Side Diff: lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.cpp

Issue 939073008: Rebased PNaCl localmods in LLVM to 223109 (Closed)
Patch Set: undo localmod Created 5 years, 10 months ago
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1 //===-- ARMMCAsmInfo.cpp - ARM asm properties -----------------------------===// 1 //===-- ARMMCAsmInfo.cpp - ARM asm properties -----------------------------===//
2 // 2 //
3 // The LLVM Compiler Infrastructure 3 // The LLVM Compiler Infrastructure
4 // 4 //
5 // This file is distributed under the University of Illinois Open Source 5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details. 6 // License. See LICENSE.TXT for details.
7 // 7 //
8 //===----------------------------------------------------------------------===// 8 //===----------------------------------------------------------------------===//
9 // 9 //
10 // This file contains the declarations of the ARMMCAsmInfo properties. 10 // This file contains the declarations of the ARMMCAsmInfo properties.
11 // 11 //
12 //===----------------------------------------------------------------------===// 12 //===----------------------------------------------------------------------===//
13 13
14 #include "ARMMCAsmInfo.h" 14 #include "ARMMCAsmInfo.h"
15 #include "llvm/Support/CommandLine.h" 15 #include "llvm/Support/CommandLine.h"
16 #include "llvm/ADT/Triple.h" 16 #include "llvm/ADT/Triple.h"
17 17
18 using namespace llvm; 18 using namespace llvm;
19 19
20 // @LOCALMOD-BEGIN
21 namespace llvm {
22 cl::opt<bool>
23 EnableARMDwarfEH("arm-enable-dwarf-eh",
24 cl::desc("Use DWARF EH instead of EABI EH on ARM"),
25 cl::init(false));
26 }
27 // @LOCALMOD-END
28
20 void ARMMCAsmInfoDarwin::anchor() { } 29 void ARMMCAsmInfoDarwin::anchor() { }
21 30
22 ARMMCAsmInfoDarwin::ARMMCAsmInfoDarwin(StringRef TT) { 31 ARMMCAsmInfoDarwin::ARMMCAsmInfoDarwin(StringRef TT) {
23 Triple TheTriple(TT); 32 Triple TheTriple(TT);
24 if ((TheTriple.getArch() == Triple::armeb) || 33 if ((TheTriple.getArch() == Triple::armeb) ||
25 (TheTriple.getArch() == Triple::thumbeb)) 34 (TheTriple.getArch() == Triple::thumbeb))
26 IsLittleEndian = false; 35 IsLittleEndian = false;
27 36
28 Data64bitsDirective = nullptr; 37 Data64bitsDirective = nullptr;
29 CommentString = "@"; 38 CommentString = "@";
(...skipping 23 matching lines...) Expand all
53 Data64bitsDirective = nullptr; 62 Data64bitsDirective = nullptr;
54 CommentString = "@"; 63 CommentString = "@";
55 Code16Directive = ".code\t16"; 64 Code16Directive = ".code\t16";
56 Code32Directive = ".code\t32"; 65 Code32Directive = ".code\t32";
57 66
58 SupportsDebugInformation = true; 67 SupportsDebugInformation = true;
59 68
60 // Exceptions handling 69 // Exceptions handling
61 switch (TheTriple.getOS()) { 70 switch (TheTriple.getOS()) {
62 case Triple::NetBSD: 71 case Triple::NetBSD:
72 case Triple::NaCl: // @LOCALMOD: NaCl uses DWARF EH
63 ExceptionsType = ExceptionHandling::DwarfCFI; 73 ExceptionsType = ExceptionHandling::DwarfCFI;
64 break; 74 break;
65 default: 75 default:
66 ExceptionsType = ExceptionHandling::ARM; 76 ExceptionsType = ExceptionHandling::ARM;
67 break; 77 break;
68 } 78 }
79 // @LOCALMOD: NonSFI mode uses DWARF EH
80 if (EnableARMDwarfEH)
81 ExceptionsType = ExceptionHandling::DwarfCFI;
69 82
70 // foo(plt) instead of foo@plt 83 // foo(plt) instead of foo@plt
71 UseParensForSymbolVariant = true; 84 UseParensForSymbolVariant = true;
72 85
73 UseIntegratedAssembler = true; 86 UseIntegratedAssembler = true;
74 } 87 }
75 88
76 void ARMELFMCAsmInfo::setUseIntegratedAssembler(bool Value) { 89 void ARMELFMCAsmInfo::setUseIntegratedAssembler(bool Value) {
77 UseIntegratedAssembler = Value; 90 UseIntegratedAssembler = Value;
78 if (!UseIntegratedAssembler) { 91 if (!UseIntegratedAssembler) {
(...skipping 23 matching lines...) Expand all
102 Code32Directive = ".code\t32"; 115 Code32Directive = ".code\t32";
103 PrivateGlobalPrefix = ".L"; 116 PrivateGlobalPrefix = ".L";
104 117
105 SupportsDebugInformation = true; 118 SupportsDebugInformation = true;
106 ExceptionsType = ExceptionHandling::None; 119 ExceptionsType = ExceptionHandling::None;
107 UseParensForSymbolVariant = true; 120 UseParensForSymbolVariant = true;
108 121
109 UseIntegratedAssembler = false; 122 UseIntegratedAssembler = false;
110 DwarfRegNumForCFI = true; 123 DwarfRegNumForCFI = true;
111 } 124 }
112
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