vendor/llvm/llvm-trunk-r366426

1 files changed, 16 insertions, 5 deletions

diff --git a/lib/BinaryFormat/Magic.cpp b/lib/BinaryFormat/Magic.cpp
index 78efa6ec87be..7dfe23690a50 100644
--- a/lib/BinaryFormat/Magic.cpp
+++ b/lib/BinaryFormat/Magic.cpp
@@ -1,9 +1,8 @@
 //===- llvm/BinaryFormat/Magic.cpp - File magic identification --*- C++ -*-===//
 //
-//                     The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
+// 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
 //
 //===----------------------------------------------------------------------===//
 
@@ -62,6 +61,15 @@ file_magic llvm::identify_magic(StringRef Magic) {
       return file_magic::wasm_object;
     break;
   }
+
+  case 0x01:
+    // XCOFF format
+    if (startswith(Magic, "\x01\xDF"))
+      return file_magic::xcoff_object_32;
+    if (startswith(Magic, "\x01\xF7"))
+      return file_magic::xcoff_object_64;
+    break;
+
   case 0xDE: // 0x0B17C0DE = BC wraper
     if (startswith(Magic, "\xDE\xC0\x17\x0B"))
       return file_magic::bitcode;
@@ -182,7 +190,8 @@ file_magic llvm::identify_magic(StringRef Magic) {
       return file_magic::coff_object;
     break;
 
-  case 'M': // Possible MS-DOS stub on Windows PE file or MSF/PDB file.
+  case 'M': // Possible MS-DOS stub on Windows PE file, MSF/PDB file or a
+            // Minidump file.
     if (startswith(Magic, "MZ") && Magic.size() >= 0x3c + 4) {
       uint32_t off = read32le(Magic.data() + 0x3c);
       // PE/COFF file, either EXE or DLL.
@@ -192,6 +201,8 @@ file_magic llvm::identify_magic(StringRef Magic) {
     }
     if (Magic.startswith("Microsoft C/C++ MSF 7.00\r\n"))
       return file_magic::pdb;
+    if (startswith(Magic, "MDMP"))
+      return file_magic::minidump;
     break;
 
   case 0x64: // x86-64 or ARM64 Windows.