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📁 ..
📄 weak_symbols.txt(88 B)
📄 xray_AArch64.cpp(4.62 KB)
📄 xray_allocator.h(9.33 KB)
📄 xray_always_instrument.txt(255 B)
📄 xray_arm.cpp(5.87 KB)
📄 xray_basic_flags.cpp(1.52 KB)
📄 xray_basic_flags.h(1.18 KB)
📄 xray_basic_flags.inc(1011 B)
📄 xray_basic_logging.cpp(17.59 KB)
📄 xray_basic_logging.h(1.68 KB)
📄 xray_buffer_queue.cpp(7.35 KB)
📄 xray_buffer_queue.h(8.79 KB)
📄 xray_defs.h(967 B)
📄 xray_fdr_controller.h(11.79 KB)
📄 xray_fdr_flags.cpp(1.47 KB)
📄 xray_fdr_flags.h(1.2 KB)
📄 xray_fdr_flags.inc(1.28 KB)
📄 xray_fdr_log_records.h(2.5 KB)
📄 xray_fdr_log_writer.h(8.72 KB)
📄 xray_fdr_logging.cpp(27.62 KB)
📄 xray_fdr_logging.h(1.53 KB)
📄 xray_flags.cpp(2.76 KB)
📄 xray_flags.h(1.12 KB)
📄 xray_flags.inc(2.29 KB)
📄 xray_function_call_trie.h(22.36 KB)
📄 xray_init.cpp(4.6 KB)
📄 xray_interface.cpp(16.43 KB)
📄 xray_interface_internal.h(3.2 KB)
📄 xray_log_interface.cpp(7.53 KB)
📄 xray_mips.cpp(7.16 KB)
📄 xray_mips64.cpp(7.66 KB)
📄 xray_never_instrument.txt(282 B)
📄 xray_powerpc64.cpp(3.63 KB)
📄 xray_powerpc64.inc(1019 B)
📄 xray_profile_collector.cpp(14.06 KB)
📄 xray_profile_collector.h(2.73 KB)
📄 xray_profiling.cpp(17.55 KB)
📄 xray_profiling_flags.cpp(1.34 KB)
📄 xray_profiling_flags.h(1.17 KB)
📄 xray_profiling_flags.inc(1.4 KB)
📄 xray_recursion_guard.h(1.8 KB)
📄 xray_segmented_array.h(21.22 KB)
📄 xray_trampoline_AArch64.S(6.1 KB)
📄 xray_trampoline_arm.S(3.85 KB)
📄 xray_trampoline_mips.S(2.67 KB)
📄 xray_trampoline_mips64.S(3.47 KB)
📄 xray_trampoline_powerpc64.cpp(420 B)
📄 xray_trampoline_powerpc64_asm.S(3.91 KB)
📄 xray_trampoline_x86_64.S(7.06 KB)
📄 xray_tsc.h(2.75 KB)
📄 xray_utils.cpp(6.04 KB)
📄 xray_utils.h(2.18 KB)
📄 xray_x86_64.cpp(11.73 KB)
📄 xray_x86_64.inc(997 B)

Editing: xray_interface_internal.h

//===-- xray_interface_internal.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
//
//===----------------------------------------------------------------------===//
//
// This file is a part of XRay, a dynamic runtime instrumentation system.
//
// Implementation of the API functions. See also include/xray/xray_interface.h.
//
//===----------------------------------------------------------------------===//
#ifndef XRAY_INTERFACE_INTERNAL_H
#define XRAY_INTERFACE_INTERNAL_H

#include "sanitizer_common/sanitizer_platform.h"
#include "xray/xray_interface.h"
#include <cstddef>
#include <cstdint>

extern "C" {

struct XRaySledEntry {
#if SANITIZER_WORDSIZE == 64
  uint64_t Address;
  uint64_t Function;
  unsigned char Kind;
  unsigned char AlwaysInstrument;
  unsigned char Version;
  unsigned char Padding[13]; // Need 32 bytes
  uint64_t function() const {
    if (Version < 2)
      return Function;
    // The target address is relative to the location of the Function variable.
    return reinterpret_cast<uint64_t>(&Function) + Function;
  }
  uint64_t address() const {
    if (Version < 2)
      return Address;
    // The target address is relative to the location of the Address variable.
    return reinterpret_cast<uint64_t>(&Address) + Address;
  }
#elif SANITIZER_WORDSIZE == 32
  uint32_t Address;
  uint32_t Function;
  unsigned char Kind;
  unsigned char AlwaysInstrument;
  unsigned char Version;
  unsigned char Padding[5]; // Need 16 bytes
  uint32_t function() const {
    if (Version < 2)
      return Function;
    // The target address is relative to the location of the Function variable.
    return reinterpret_cast<uint32_t>(&Function) + Function;
  }
  uint32_t address() const {
    if (Version < 2)
      return Address;
    // The target address is relative to the location of the Address variable.
    return reinterpret_cast<uint32_t>(&Address) + Address;
  }
#else
#error "Unsupported word size."
#endif
};

struct XRayFunctionSledIndex {
  const XRaySledEntry *Begin;
  const XRaySledEntry *End;
};
}

namespace __xray {

struct XRaySledMap {
  const XRaySledEntry *Sleds;
  size_t Entries;
  const XRayFunctionSledIndex *SledsIndex;
  size_t Functions;
};

bool patchFunctionEntry(bool Enable, uint32_t FuncId, const XRaySledEntry &Sled,
                        void (*Trampoline)());
bool patchFunctionExit(bool Enable, uint32_t FuncId, const XRaySledEntry &Sled);
bool patchFunctionTailExit(bool Enable, uint32_t FuncId,
                           const XRaySledEntry &Sled);
bool patchCustomEvent(bool Enable, uint32_t FuncId, const XRaySledEntry &Sled);
bool patchTypedEvent(bool Enable, uint32_t FuncId, const XRaySledEntry &Sled);

} // namespace __xray

extern "C" {
// The following functions have to be defined in assembler, on a per-platform
// basis. See xray_trampoline_*.S files for implementations.
extern void __xray_FunctionEntry();
extern void __xray_FunctionExit();
extern void __xray_FunctionTailExit();
extern void __xray_ArgLoggerEntry();
extern void __xray_CustomEvent();
extern void __xray_TypedEvent();
}

#endif

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Editing: xray_interface_internal.h

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