Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(432)

Issues Search
    My Issues | Starred     Open | Closed | All

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

Issue 738143002: Add flag to enable Dwarf exception handling on ARM (Closed) Base URL: https://chromium.googlesource.com/native_client/pnacl-llvm.git@merge_35
Patch Set: also !isTargetEHABICompatible for SFI NaCl Created 6 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.h ('k') | lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
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 24 matching lines...) Expand all
54 CommentString = "@"; 63 CommentString = "@";
55 Code16Directive = ".code\t16"; 64 Code16Directive = ".code\t16";
56 Code32Directive = ".code\t32"; 65 Code32Directive = ".code\t32";
57 66
58 HasLEB128 = true; 67 HasLEB128 = true;
59 SupportsDebugInformation = true; 68 SupportsDebugInformation = true;
60 69
61 // Exceptions handling 70 // Exceptions handling
62 switch (TheTriple.getOS()) { 71 switch (TheTriple.getOS()) {
63 case Triple::NetBSD: 72 case Triple::NetBSD:
73 case Triple::NaCl: // @LOCALMOD: NaCl uses DWARF EH
64 ExceptionsType = ExceptionHandling::DwarfCFI; 74 ExceptionsType = ExceptionHandling::DwarfCFI;
65 break; 75 break;
66 default: 76 default:
67 ExceptionsType = ExceptionHandling::ARM; 77 ExceptionsType = ExceptionHandling::ARM;
68 break; 78 break;
69 } 79 }
80 // @LOCALMOD: NonSFI mode uses DWARF EH
81 if (EnableARMDwarfEH)
82 ExceptionsType = ExceptionHandling::DwarfCFI;
70 83
71 // foo(plt) instead of foo@plt 84 // foo(plt) instead of foo@plt
72 UseParensForSymbolVariant = true; 85 UseParensForSymbolVariant = true;
73 86
74 UseIntegratedAssembler = true; 87 UseIntegratedAssembler = true;
75 } 88 }
76 89
77 void ARMELFMCAsmInfo::setUseIntegratedAssembler(bool Value) { 90 void ARMELFMCAsmInfo::setUseIntegratedAssembler(bool Value) {
78 UseIntegratedAssembler = Value; 91 UseIntegratedAssembler = Value;
79 if (!UseIntegratedAssembler) { 92 if (!UseIntegratedAssembler) {
(...skipping 24 matching lines...) Expand all
104 PrivateGlobalPrefix = ".L"; 117 PrivateGlobalPrefix = ".L";
105 118
106 HasLEB128 = true; 119 HasLEB128 = true;
107 SupportsDebugInformation = true; 120 SupportsDebugInformation = true;
108 ExceptionsType = ExceptionHandling::None; 121 ExceptionsType = ExceptionHandling::None;
109 UseParensForSymbolVariant = true; 122 UseParensForSymbolVariant = true;
110 123
111 UseIntegratedAssembler = false; 124 UseIntegratedAssembler = false;
112 DwarfRegNumForCFI = true; 125 DwarfRegNumForCFI = true;
113 } 126 }
114
OLDNEW
« no previous file with comments | « lib/Target/ARM/MCTargetDesc/ARMMCAsmInfo.h ('k') | lib/Target/ARM/MCTargetDesc/ARMMCTargetDesc.cpp » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698