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to reflect the new license. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351636
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
//===-- xray_interface_internal.h -------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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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 instrumentation system.
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//
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// Implementation of the API functions. See also include/xray/xray_interface.h.
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//
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//===----------------------------------------------------------------------===//
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#ifndef XRAY_INTERFACE_INTERNAL_H
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#define XRAY_INTERFACE_INTERNAL_H
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#include "sanitizer_common/sanitizer_platform.h"
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#include "xray/xray_interface.h"
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#include <cstddef>
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#include <cstdint>
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extern "C" {
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struct XRaySledEntry {
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#if SANITIZER_WORDSIZE == 64
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uint64_t Address;
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uint64_t Function;
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unsigned char Kind;
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unsigned char AlwaysInstrument;
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unsigned char Version;
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unsigned char Padding[13]; // Need 32 bytes
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#elif SANITIZER_WORDSIZE == 32
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uint32_t Address;
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uint32_t Function;
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unsigned char Kind;
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unsigned char AlwaysInstrument;
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unsigned char Version;
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unsigned char Padding[5]; // Need 16 bytes
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#else
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#error "Unsupported word size."
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#endif
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};
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struct XRayFunctionSledIndex {
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const XRaySledEntry *Begin;
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const XRaySledEntry *End;
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};
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}
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namespace __xray {
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struct XRaySledMap {
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const XRaySledEntry *Sleds;
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size_t Entries;
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const XRayFunctionSledIndex *SledsIndex;
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size_t Functions;
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};
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bool patchFunctionEntry(bool Enable, uint32_t FuncId, const XRaySledEntry &Sled,
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void (*Trampoline)());
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bool patchFunctionExit(bool Enable, uint32_t FuncId, const XRaySledEntry &Sled);
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bool patchFunctionTailExit(bool Enable, uint32_t FuncId,
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const XRaySledEntry &Sled);
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bool patchCustomEvent(bool Enable, uint32_t FuncId, const XRaySledEntry &Sled);
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bool patchTypedEvent(bool Enable, uint32_t FuncId, const XRaySledEntry &Sled);
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} // namespace __xray
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extern "C" {
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// The following functions have to be defined in assembler, on a per-platform
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// basis. See xray_trampoline_*.S files for implementations.
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extern void __xray_FunctionEntry();
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extern void __xray_FunctionExit();
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extern void __xray_FunctionTailExit();
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extern void __xray_ArgLoggerEntry();
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extern void __xray_CustomEvent();
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extern void __xray_TypedEvent();
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}
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#endif
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