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938c5031ab
Summary: This is a fixed-up version of D21612, to address failure identified post-commit. Original commit description: This patch implements the initialisation and patching routines for the XRay runtime, along with the necessary trampolines for function entry/exit handling. For now we only define the basic hooks for allowing an implementation to define a handler that gets run on function entry/exit. We expose a minimal API for controlling the behaviour of the runtime (patching, cleanup, and setting the handler to invoke when instrumenting). Fixes include: - Gating XRay build to only Linux x86_64 and with the right dependencies in case it is the only library being built - Including <cstddef> to fix std::size_t issue Reviewers: kcc, rnk, echristo Subscribers: mehdi_amini, llvm-commits Differential Revision: https://reviews.llvm.org/D22611 llvm-svn: 276251
38 lines
974 B
C++
38 lines
974 B
C++
//===-- xray_flags.h -------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file is a part of XRay, a dynamic runtime instruementation system.
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//
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// XRay runtime flags.
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//===----------------------------------------------------------------------===//
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#ifndef XRAY_FLAGS_H
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#define XRAY_FLAGS_H
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#include "sanitizer_common/sanitizer_flag_parser.h"
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namespace __xray {
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struct Flags {
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#define XRAY_FLAG(Type, Name, DefaultValue, Description) Type Name;
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#include "xray_flags.inc"
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#undef XRAY_FLAG
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void SetDefaults();
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};
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extern Flags xray_flags_dont_use_directly;
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inline Flags *flags() { return &xray_flags_dont_use_directly; }
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void InitializeFlags();
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} // namespace __xray
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#endif // XRAY_FLAGS_H
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