Add support for PLATFORM_*SIMULATOR

The toolchain in Xcode 10 uses a new LC_BUILD_VERSION entry to identify
simulator binaries. Add support for reading those to debugserver.

The exisitng test testing that code is currently failling when run
with Xcode 10, no need for a new test.

git-svn-id: https://llvm.org/svn/llvm-project/lldb/trunk@334784 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/debugserver/source/MacOSX/MachProcess.mm b/tools/debugserver/source/MacOSX/MachProcess.mm
index 2703271..4ddc5f8 100644
--- a/tools/debugserver/source/MacOSX/MachProcess.mm
+++ b/tools/debugserver/source/MacOSX/MachProcess.mm
@@ -607,6 +607,11 @@
     }
   }
 #if defined (LC_BUILD_VERSION)
+#ifndef PLATFORM_IOSSIMULATOR
+#define PLATFORM_IOSSIMULATOR 7
+#define PLATFORM_TVOSSIMULATOR 8
+#define PLATFORM_WATCHOSSIMULATOR 9
+#endif
   if (cmd == LC_BUILD_VERSION) {
     struct build_version_command build_vers;
     if (ReadMemory(load_command_address, sizeof(struct build_version_command),
@@ -621,10 +626,13 @@
     case PLATFORM_MACOS:
       return "macosx";
     case PLATFORM_IOS:
+    case PLATFORM_IOSSIMULATOR:
       return "ios";
     case PLATFORM_TVOS:
+    case PLATFORM_TVOSSIMULATOR:
       return "tvos";
     case PLATFORM_WATCHOS:
+    case PLATFORM_WATCHOSSIMULATOR:
       return "watchos";
     case PLATFORM_BRIDGEOS:
       return "bridgeos";