r284278 - Define Contiki OS toolchain

[David L Kreitzer via cfe-commits]

Author: dlkreitz
Date: Fri Oct 14 15:44:33 2016
New Revision: 284278

URL: http://llvm.org/viewvc/llvm-project?rev=284278=rev
Log:
Define Contiki OS toolchain

Patch by Michael LeMay

Differential revision: http://reviews.llvm.org/D19854

Modified:
cfe/trunk/lib/Driver/Driver.cpp
cfe/trunk/lib/Driver/ToolChains.cpp
cfe/trunk/lib/Driver/ToolChains.h
cfe/trunk/test/Driver/fsanitize.c

Modified: cfe/trunk/lib/Driver/Driver.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/Driver.cpp?rev=284278=284277=284278=diff
==
--- cfe/trunk/lib/Driver/Driver.cpp (original)
+++ cfe/trunk/lib/Driver/Driver.cpp Fri Oct 14 15:44:33 2016
@@ -3120,6 +3120,9 @@ const ToolChain ::getToolChain(co
 case llvm::Triple::PS4:
   TC = new toolchains::PS4CPU(*this, Target, Args);
   break;
+case llvm::Triple::Contiki:
+  TC = new toolchains::Contiki(*this, Target, Args);
+  break;
 default:
   // Of these targets, Hexagon is the only one that might have
   // an OS of Linux, in which case it got handled above already.

Modified: cfe/trunk/lib/Driver/ToolChains.cpp
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains.cpp?rev=284278=284277=284278=diff
==
--- cfe/trunk/lib/Driver/ToolChains.cpp (original)
+++ cfe/trunk/lib/Driver/ToolChains.cpp Fri Oct 14 15:44:33 2016
@@ -5305,3 +5305,14 @@ SanitizerMask PS4CPU::getSupportedSaniti
   Res |= SanitizerKind::Vptr;
   return Res;
 }
+
+Contiki::Contiki(const Driver , const llvm::Triple , const ArgList 
)
+: Generic_ELF(D, Triple, Args) {}
+
+SanitizerMask Contiki::getSupportedSanitizers() const {
+  const bool IsX86 = getTriple().getArch() == llvm::Triple::x86;
+  SanitizerMask Res = ToolChain::getSupportedSanitizers();
+  if (IsX86)
+Res |= SanitizerKind::SafeStack;
+  return Res;
+}

Modified: cfe/trunk/lib/Driver/ToolChains.h
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Driver/ToolChains.h?rev=284278=284277=284278=diff
==
--- cfe/trunk/lib/Driver/ToolChains.h (original)
+++ cfe/trunk/lib/Driver/ToolChains.h Fri Oct 14 15:44:33 2016
@@ -1249,6 +1249,14 @@ protected:
   Tool *buildLinker() const override;
 };
 
+class LLVM_LIBRARY_VISIBILITY Contiki : public Generic_ELF {
+public:
+  Contiki(const Driver , const llvm::Triple ,
+  const llvm::opt::ArgList );
+
+  SanitizerMask getSupportedSanitizers() const override;
+};
+
 } // end namespace toolchains
 } // end namespace driver
 } // end namespace clang

Modified: cfe/trunk/test/Driver/fsanitize.c
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/fsanitize.c?rev=284278=284277=284278=diff
==
--- cfe/trunk/test/Driver/fsanitize.c (original)
+++ cfe/trunk/test/Driver/fsanitize.c Fri Oct 14 15:44:33 2016
@@ -397,6 +397,7 @@
 // RUN: %clang -target x86_64-linux-gnu -fsanitize=safe-stack 
-fstack-protector-all -### %s 2>&1 | FileCheck %s -check-prefix=SP
 // RUN: %clang -target arm-linux-androideabi -fsanitize=safe-stack -### %s 
2>&1 | FileCheck %s -check-prefix=NO-SP
 // RUN: %clang -target aarch64-linux-android -fsanitize=safe-stack -### %s 
2>&1 | FileCheck %s -check-prefix=NO-SP
+// RUN: %clang -target i386-contiki-unknown -fsanitize=safe-stack -### %s 2>&1 
| FileCheck %s -check-prefix=NO-SP
 // NO-SP-NOT: stack-protector
 // NO-SP: "-fsanitize=safe-stack"
 // SP: "-fsanitize=safe-stack"


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r268432 - Add address space 258 (X86 SS segment) to clang documentation.

[David L Kreitzer via cfe-commits]

Author: dlkreitz
Date: Tue May  3 15:20:59 2016
New Revision: 268432

URL: http://llvm.org/viewvc/llvm-project?rev=268432=rev
Log:
Add address space 258 (X86 SS segment) to clang documentation.
The change reflects llvm r268431.

Patch by Michael Lemay (michael.le...@intel.com)

Differential Revision: http://reviews.llvm.org/D19458

Modified:
cfe/trunk/docs/LanguageExtensions.rst

Modified: cfe/trunk/docs/LanguageExtensions.rst
URL: 
http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/LanguageExtensions.rst?rev=268432=268431=268432=diff
==
--- cfe/trunk/docs/LanguageExtensions.rst (original)
+++ cfe/trunk/docs/LanguageExtensions.rst Tue May  3 15:20:59 2016
@@ -1912,12 +1912,13 @@ X86/X86-64 Language Extensions
 
 The X86 backend has these language extensions:
 
-Memory references off the GS segment
-
+Memory references to specified segments
+^^^
 
 Annotating a pointer with address space #256 causes it to be code generated
-relative to the X86 GS segment register, and address space #257 causes it to be
-relative to the X86 FS segment.  Note that this is a very very low-level
+relative to the X86 GS segment register, address space #257 causes it to be
+relative to the X86 FS segment, and address space #258 causes it to be
+relative to the X86 SS segment.  Note that this is a very very low-level
 feature that should only be used if you know what you're doing (for example in
 an OS kernel).
 


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