[PATCH] D65761: Add Windows Control Flow Guard checks (/guard:cf).

[Andrew Paverd via Phabricator via llvm-commits]

ajpaverd updated this revision to Diff 223167.
ajpaverd marked 22 inline comments as done.
ajpaverd added a comment.

Improved Control Flow Guard implementation.

As suggested by @rnk, the CFGuard dispatch mechanism now uses a new 
`cfguardtarget` operand bundle to pass the indirect call target. Instruction
selection adds this target as a new ArgListEntry and sets a new 
`isCFGuardTarget` bit. CC_X86_Win64_C puts this argument in RAX.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D65761/new/

https://reviews.llvm.org/D65761

Files:
  clang/include/clang/Driver/CC1Options.td
  clang/include/clang/Driver/Options.td
  clang/lib/CodeGen/CodeGenModule.cpp
  clang/lib/Driver/ToolChains/Clang.cpp
  clang/lib/Driver/ToolChains/MSVC.cpp
  clang/test/Driver/cl-fallback.c
  llvm/docs/LangRef.rst
  llvm/include/llvm/CodeGen/MachineBasicBlock.h
  llvm/include/llvm/CodeGen/TargetCallingConv.h
  llvm/include/llvm/CodeGen/TargetLowering.h
  llvm/include/llvm/IR/CallingConv.h
  llvm/include/llvm/IR/InstrTypes.h
  llvm/include/llvm/IR/LLVMContext.h
  llvm/include/llvm/Target/TargetCallingConv.td
  llvm/include/llvm/Transforms/CFGuard.h
  llvm/lib/AsmParser/LLLexer.cpp
  llvm/lib/AsmParser/LLParser.cpp
  llvm/lib/AsmParser/LLToken.h
  llvm/lib/CodeGen/AsmPrinter/AsmPrinter.cpp
  llvm/lib/CodeGen/AsmPrinter/WinCFGuard.cpp
  llvm/lib/CodeGen/AsmPrinter/WinCFGuard.h
  llvm/lib/CodeGen/CFGuardLongjmp.cpp
  llvm/lib/CodeGen/GlobalISel/IRTranslator.cpp
  llvm/lib/CodeGen/MachineBasicBlock.cpp
  llvm/lib/CodeGen/SelectionDAG/FastISel.cpp
  llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
  llvm/lib/IR/AsmWriter.cpp
  llvm/lib/IR/LLVMContext.cpp
  llvm/lib/IR/Verifier.cpp
  llvm/lib/Target/AArch64/AArch64ISelLowering.cpp
  llvm/lib/Target/AArch64/AArch64TargetMachine.cpp
  llvm/lib/Target/ARM/ARMISelLowering.cpp
  llvm/lib/Target/ARM/ARMTargetMachine.cpp
  llvm/lib/Target/X86/CMakeLists.txt
  llvm/lib/Target/X86/X86.h
  llvm/lib/Target/X86/X86CallingConv.td
  llvm/lib/Target/X86/X86FastISel.cpp
  llvm/lib/Target/X86/X86FixupCFGuard.cpp
  llvm/lib/Target/X86/X86RegisterInfo.cpp
  llvm/lib/Target/X86/X86Subtarget.h
  llvm/lib/Target/X86/X86TargetMachine.cpp
  llvm/lib/Transforms/CFGuard/CFGuard.cpp
  llvm/test/Bitcode/calling-conventions.3.2.ll
  llvm/test/Bitcode/operand-bundles-bc-analyzer.ll
  llvm/test/CodeGen/AArch64/cfguard-checks.ll
  llvm/test/CodeGen/AArch64/cfguard-module-flag.ll
  llvm/test/CodeGen/ARM/cfguard-checks.ll
  llvm/test/CodeGen/ARM/cfguard-module-flag.ll
  llvm/test/CodeGen/WinCFGuard/cfguard-setjmp.ll
  llvm/test/CodeGen/X86/cfguard-checks.ll
  llvm/test/CodeGen/X86/cfguard-module-flag.ll

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D65761.223167.patch
Type: text/x-patch
Size: 70582 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20191004/bb11fed5/attachment-0001.bin>