Revert r276117 "[XRay] Basic initialization and flag definition for XRay runtime"

and also the follow-up "[xray] Only build xray on Linux for now"

Two build errors were reported on the llvm-commits list:

	[ 88%] Building CXX object lib/xray/CMakeFiles/clang_rt.xray-x86_64.dir/xray_flags.cc.o
	/mnt/b/sanitizer-buildbot1/sanitizer-x86_64-linux/build/llvm/projects/compiler-rt/lib/xray/xray_init.cc:23:10: fatal error: 'llvm/Support/ELF.h' file not found
  #include "llvm/Support/ELF.h"
					 ^

and

	In file included from /w/src/llvm.org/projects/compiler-rt/lib/xray/xray_interface.cc:16:
	/w/src/llvm.org/projects/compiler-rt/lib/xray/xray_interface_internal.h:36:8: error:
				no type named 'size_t' in namespace 'std'
		std::size_t Entries;
		~~~~~^

llvm-svn: 276186

1 files changed, 0 insertions, 40 deletions

diff --git a/compiler-rt/lib/xray/xray_interface_internal.h b/compiler-rt/lib/xray/xray_interface_internal.h
deleted file mode 100644
index b381107f709..00000000000
--- a/compiler-rt/lib/xray/xray_interface_internal.h
+++ /dev/null
@@ -1,40 +0,0 @@
-//===-- xray_interface_internal.h -------------------------------*- C++ -*-===//
-//
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// 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 "xray/xray_interface.h"
-#include <cstdint>
-
-extern "C" {
-
-struct XRaySledEntry {
-  uint64_t Address;
-  uint64_t Function;
-  unsigned char Kind;
-  unsigned char AlwaysInstrument;
-  unsigned char Padding[14]; // Need 32 bytes
-};
-}
-
-namespace __xray {
-
-struct XRaySledMap {
-  const XRaySledEntry *Sleds;
-  std::size_t Entries;
-};
-}
-
-#endif