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[Solaris] emit .init_array instead of .ctors on Solaris (Sparc/x86)

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Patch by Fedor Sergeev.

Differential Revision:  https://reviews.llvm.org/D33868

llvm-svn: 305948
This commit is contained in:
Davide Italiano 2017-06-21 20:36:32 +00:00
parent 1e20f37e13
commit 2909d80ad6
7 changed files with 52 additions and 0 deletions
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6
lib/Target/Sparc/SparcTargetObjectFile.cpp
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@ -15,6 +15,12 @@
using namespace llvm;
void SparcELFTargetObjectFile::Initialize(MCContext &Ctx,
const TargetMachine &TM) {
TargetLoweringObjectFileELF::Initialize(Ctx, TM);
InitializeELF(TM.Options.UseInitArray);
}
const MCExpr *SparcELFTargetObjectFile::getTTypeGlobalReference(
const GlobalValue *GV, unsigned Encoding, const TargetMachine &TM,
MachineModuleInfo *MMI, MCStreamer &Streamer) const {

2
lib/Target/Sparc/SparcTargetObjectFile.h
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@ -23,6 +23,8 @@ public:
TargetLoweringObjectFileELF()
{}
void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
const MCExpr *getTTypeGlobalReference(const GlobalValue *GV,
unsigned Encoding,
const TargetMachine &TM,

2
lib/Target/X86/X86TargetMachine.cpp
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@ -91,6 +91,8 @@ static std::unique_ptr<TargetLoweringObjectFile> createTLOF(const Triple &TT) {
return llvm::make_unique<X86FreeBSDTargetObjectFile>();
if (TT.isOSLinux() || TT.isOSNaCl() || TT.isOSIAMCU())
return llvm::make_unique<X86LinuxNaClTargetObjectFile>();
if (TT.isOSSolaris())
return llvm::make_unique<X86SolarisTargetObjectFile>();
if (TT.isOSFuchsia())
return llvm::make_unique<X86FuchsiaTargetObjectFile>();
if (TT.isOSBinFormatELF())

6
lib/Target/X86/X86TargetObjectFile.cpp
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@ -86,6 +86,12 @@ X86LinuxNaClTargetObjectFile::Initialize(MCContext &Ctx,
InitializeELF(TM.Options.UseInitArray);
}
void X86SolarisTargetObjectFile::Initialize(MCContext &Ctx,
const TargetMachine &TM) {
TargetLoweringObjectFileELF::Initialize(Ctx, TM);
InitializeELF(TM.Options.UseInitArray);
}
const MCExpr *X86WindowsTargetObjectFile::lowerRelativeReference(
const GlobalValue *LHS, const GlobalValue *RHS,
const TargetMachine &TM) const {

5
lib/Target/X86/X86TargetObjectFile.h
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@ -66,6 +66,11 @@ namespace llvm {
void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
};
/// \brief This implementation is used for Solaris on x86/x86-64.
class X86SolarisTargetObjectFile : public X86ELFTargetObjectFile {
void Initialize(MCContext &Ctx, const TargetMachine &TM) override;
};
/// \brief This implementation is used for Windows targets on x86 and x86-64.
class X86WindowsTargetObjectFile : public TargetLoweringObjectFileCOFF {
const MCExpr *

29
test/CodeGen/SPARC/constructor.ll Normal file
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@ -0,0 +1,29 @@
; RUN: llc -mtriple sparc-sun-solaris2.11 -use-ctors < %s | FileCheck --check-prefix=CTOR %s
; RUN: llc -mtriple sparc-sun-solaris2.11 < %s | FileCheck --check-prefix=INIT-ARRAY %s
@llvm.global_ctors = appending global [2 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @f, i8* null}, { i32, void ()*, i8* } { i32 15, void ()* @g, i8* @v }]
@v = weak_odr global i8 0
define void @f() {
entry:
ret void
}
define void @g() {
entry:
ret void
}
; CTOR: .section .ctors.65520,#alloc,#write
; CTOR-NEXT: .p2align 2
; CTOR-NEXT: .word g
; CTOR-NEXT: .section .ctors,#alloc,#write
; CTOR-NEXT: .p2align 2
; CTOR-NEXT: .word f
; INIT-ARRAY: .section .init_array.15,#alloc,#write
; INIT-ARRAY-NEXT: .p2align 2
; INIT-ARRAY-NEXT: .word g
; INIT-ARRAY-NEXT: .section .init_array,#alloc,#write
; INIT-ARRAY-NEXT: .p2align 2
; INIT-ARRAY-NEXT: .word f

2
test/CodeGen/X86/constructor.ll
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@ -1,7 +1,9 @@
; RUN: llc -mtriple x86_64-pc-linux -use-ctors < %s | FileCheck --check-prefix=CTOR %s
; RUN: llc -mtriple x86_64-unknown-freebsd -use-ctors < %s | FileCheck --check-prefix=CTOR %s
; RUN: llc -mtriple x86_64-pc-solaris2.11 -use-ctors < %s | FileCheck --check-prefix=CTOR %s
; RUN: llc -mtriple x86_64-pc-linux < %s | FileCheck --check-prefix=INIT-ARRAY %s
; RUN: llc -mtriple x86_64-unknown-freebsd < %s | FileCheck --check-prefix=INIT-ARRAY %s
; RUN: llc -mtriple x86_64-pc-solaris2.11 < %s | FileCheck --check-prefix=INIT-ARRAY %s
; RUN: llc -mtriple x86_64-unknown-nacl < %s | FileCheck --check-prefix=NACL %s
; RUN: llc -mtriple i586-intel-elfiamcu -use-ctors < %s | FileCheck %s --check-prefix=MCU-CTORS
; RUN: llc -mtriple i586-intel-elfiamcu < %s | FileCheck %s --check-prefix=MCU-INIT-ARRAY