diff options
| author | Stephen Hines <srhines@google.com> | 2019-07-02 16:25:20 -0700 |
|---|---|---|
| committer | Ali B <abittin@gmail.com> | 2019-07-05 19:33:16 +0300 |
| commit | 9afee4e65dc5f9f5eb371683729ff67b8df81d03 (patch) | |
| tree | 4cf241d6c9044f91ee8c06e6920174d06f8de0b6 /clang-r353983e/include/clang/Basic/XRayInstr.h | |
| parent | 2f19bd722c4c825320d1511c1ed83161b7f95d51 (diff) | |
clang 9.0.5 (based on r353983e) from build 5696680.
Bug: http://b/135931688
Bug: http://b/136008926
Test: N/A
Change-Id: I922d17410047d2e2df4625615352c588ee71b203
Diffstat (limited to 'clang-r353983e/include/clang/Basic/XRayInstr.h')
| -rw-r--r-- | clang-r353983e/include/clang/Basic/XRayInstr.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/clang-r353983e/include/clang/Basic/XRayInstr.h b/clang-r353983e/include/clang/Basic/XRayInstr.h new file mode 100644 index 00000000..48e88848 --- /dev/null +++ b/clang-r353983e/include/clang/Basic/XRayInstr.h @@ -0,0 +1,71 @@ +//===--- XRayInstr.h --------------------------------------------*- C++ -*-===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// +// +/// \file +/// Defines the clang::XRayInstrKind enum. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CLANG_BASIC_XRAYINSTR_H +#define LLVM_CLANG_BASIC_XRAYINSTR_H + +#include "clang/Basic/LLVM.h" +#include "llvm/ADT/StringRef.h" +#include "llvm/Support/MathExtras.h" +#include <cassert> +#include <cstdint> + +namespace clang { + +using XRayInstrMask = uint32_t; + +namespace XRayInstrKind { + +// TODO: Auto-generate these as we add more instrumentation kinds. +enum XRayInstrOrdinal : XRayInstrMask { + XRIO_Function, + XRIO_Custom, + XRIO_Typed, + XRIO_Count +}; + +constexpr XRayInstrMask None = 0; +constexpr XRayInstrMask Function = 1U << XRIO_Function; +constexpr XRayInstrMask Custom = 1U << XRIO_Custom; +constexpr XRayInstrMask Typed = 1U << XRIO_Typed; +constexpr XRayInstrMask All = Function | Custom | Typed; + +} // namespace XRayInstrKind + +struct XRayInstrSet { + bool has(XRayInstrMask K) const { + assert(llvm::isPowerOf2_32(K)); + return Mask & K; + } + + bool hasOneOf(XRayInstrMask K) const { return Mask & K; } + + void set(XRayInstrMask K, bool Value) { + assert(llvm::isPowerOf2_32(K)); + Mask = Value ? (Mask | K) : (Mask & ~K); + } + + void clear(XRayInstrMask K = XRayInstrKind::All) { Mask &= ~K; } + + bool empty() const { return Mask == 0; } + + bool full() const { return Mask == XRayInstrKind::All; } + + XRayInstrMask Mask = 0; +}; + +XRayInstrMask parseXRayInstrValue(StringRef Value); + +} // namespace clang + +#endif // LLVM_CLANG_BASIC_XRAYINSTR_H |
