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[PS4] Correct relocation for DWARF TLS references.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@230979 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Paul Robinson 2015-03-02 17:44:52 +00:00
parent f0c07c3691
commit d31f89ebc1
4 changed files with 16 additions and 0 deletions
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2
lib/Target/X86/X86TargetMachine.cpp
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@ -37,6 +37,8 @@ static std::unique_ptr<TargetLoweringObjectFile> createTLOF(const Triple &TT) {
return make_unique<TargetLoweringObjectFileMachO>();
}
if (TT.isPS4CPU())
return make_unique<PS4TargetObjectFile>();
if (TT.isOSLinux())
return make_unique<X86LinuxTargetObjectFile>();
if (TT.isOSBinFormatELF())

5
lib/Target/X86/X86TargetObjectFile.cpp
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@ -74,6 +74,11 @@ X86LinuxTargetObjectFile::getDebugThreadLocalSymbol(
return MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_DTPOFF, getContext());
}
const MCExpr *PS4TargetObjectFile::getDebugThreadLocalSymbol(
const MCSymbol *Sym) const {
return MCSymbolRefExpr::Create(Sym, MCSymbolRefExpr::VK_DTPOFF, getContext());
}
const MCExpr *X86WindowsTargetObjectFile::getExecutableRelativeSymbol(
const ConstantExpr *CE, Mangler &Mang, const TargetMachine &TM) const {
// We are looking for the difference of two symbols, need a subtraction

6
lib/Target/X86/X86TargetObjectFile.h
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@ -47,6 +47,12 @@ namespace llvm {
const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override;
};
/// \brief This TLOF implementation is used for PS4.
class PS4TargetObjectFile : public TargetLoweringObjectFileELF {
/// \brief Describe a TLS variable address within debug info.
const MCExpr *getDebugThreadLocalSymbol(const MCSymbol *Sym) const override;
};
/// \brief This implementation is used for Windows targets on x86 and x86-64.
class X86WindowsTargetObjectFile : public TargetLoweringObjectFileCOFF {
const MCExpr *

3
test/DebugInfo/X86/tls.ll
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@ -7,6 +7,9 @@
; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-unknown-linux-gnu -split-dwarf=Enable \
; RUN: | FileCheck --check-prefix=CHECK --check-prefix=FISSION %s
; RUN: llc %s -o - -filetype=asm -O0 -mtriple=x86_64-scei-ps4 \
; RUN: | FileCheck --check-prefix=CHECK --check-prefix=SINGLE --check-prefix=SINGLE-64 %s
; FIXME: add relocation and DWARF expression support to llvm-dwarfdump & use
; that here instead of raw assembly printing