Merge "Put the deoptimized method in the trace tag."
diff --git a/Android.mk b/Android.mk
index ba131c6..237dcd8 100644
--- a/Android.mk
+++ b/Android.mk
@@ -31,13 +31,8 @@
 .PHONY: clean-oat-host
 clean-oat-host:
 	find $(OUT_DIR) -name "*.oat" -o -name "*.odex" -o -name "*.art" -o -name '*.vdex' | xargs rm -f
-ifneq ($(TMPDIR),)
-	rm -rf $(TMPDIR)/$(USER)/test-*/dalvik-cache/*
+	rm -rf $(TMPDIR)/*/test-*/dalvik-cache/*
 	rm -rf $(TMPDIR)/android-data/dalvik-cache/*
-else
-	rm -rf /tmp/$(USER)/test-*/dalvik-cache/*
-	rm -rf /tmp/android-data/dalvik-cache/*
-endif
 
 .PHONY: clean-oat-target
 clean-oat-target:
diff --git a/CleanSpec.mk b/CleanSpec.mk
index 341df78..e28ce2b 100644
--- a/CleanSpec.mk
+++ b/CleanSpec.mk
@@ -1,4 +1,4 @@
-# Copyright (C) 2007 The Android Open Source Project
+# Copyright (C) 2014 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
@@ -50,6 +50,9 @@
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libart_*)
 $(call add-clean-step, rm -rf $(PRODUCT_OUT)/obj/SHARED_LIBRARIES/libartd_*)
 
+# Old Android Runtime APEX package, before the introduction of "release" and "debug" packages.
+$(call add-clean-step, rm -rf $(PRODUCT_OUT)/system/apex/com.android.runtime.apex)
+
 # ************************************************
 # NEWER CLEAN STEPS MUST BE AT THE END OF THE LIST
 # ************************************************
diff --git a/build/Android.common_test.mk b/build/Android.common_test.mk
index be1791b..12eae89 100644
--- a/build/Android.common_test.mk
+++ b/build/Android.common_test.mk
@@ -20,12 +20,8 @@
 include art/build/Android.common_path.mk
 
 # Directory used for temporary test files on the host.
-# Use a hash calculated from CWD and USER as one of the path
-# components for the test output. This should allow us to run tests from
-# multiple repositories at the same time.
-# We only take the first few characters to keep paths short.
-ART_TMPDIR := $(if $(TMPDIR),$(TMPDIR),/tmp)
-ART_HOST_TEST_DIR := $(ART_TMPDIR)/test-art-$(shell echo $$CWD-${USER} | $(MD5SUM) | cut -c-5)
+# TMPDIR is always provided by the build system as $OUT_DIR-unique temporary directory.
+ART_HOST_TEST_DIR := $(TMPDIR)/test-art
 
 # List of known broken tests that we won't attempt to execute. The test name must be the full
 # rule name such as test-art-host-oat-optimizing-HelloWorld64.
diff --git a/build/apex/Android.bp b/build/apex/Android.bp
index 193a3c1..e810595 100644
--- a/build/apex/Android.bp
+++ b/build/apex/Android.bp
@@ -28,21 +28,7 @@
 bionic_binaries_both = [
     "linker",
 ]
-// - Fake library that avoids namespace issues and gives some warnings for nosy apps.
-art_runtime_fake_native_shared_libs = [
-     // FIXME: Does not work as-is, because `libart_fake` is defined in libart_fake/Android.mk,
-     // and because a module defined in a Blueprint file cannot depend on a module defined in a
-     // Makefile. To support `libart_fake` as a dependency of this APEX module, we can either
-     // (probably in that order of preference):
-     // a. translate that logic into Blueprint; or
-     // b. write the whole Android Runtime APEX generation logic in Android.mk; or
-     // c. introduce an `art_apex` module type extending the `apex` module type and write the
-     //    corresponding Go logic to handle this extra dependency.
-     //"libart_fake",
-]
 // - Debug variants (binaries for which a 32-bit version is preferred).
-//   FIXME: These modules are optional (the built product can decide to include them or not).
-//   Should they be moved to another APEX file?
 art_runtime_debug_binaries_prefer32 = [
     "dex2oatd",
     "dexoptanalyzerd",
@@ -72,13 +58,15 @@
     "dexlist",
 ]
 
-art_tools_device_binaries = [
+// Device-only modules listed in LOCAL_REQUIRED_MODULES for module art-tools in art/Android.mk.
+art_tools_device_only_binaries = [
+    // oatdump cannot link with host linux_bionic due to not using clang lld;
+    // TODO: Make it work with clang lld.
     "oatdump",
 ]
 
 // Host-only modules listed in LOCAL_REQUIRED_MODULES for module art-tools in art/Android.mk.
-// TODO: Include these modules in the future "host APEX".
-art_tools_host_binaries = [
+art_tools_host_only_binaries = [
     // FIXME: Does not work as-is, because `ahat` is defined in tools/ahat/Android.mk
     // (same issue as for `libart_fake` above).
     //"ahat",
@@ -86,7 +74,8 @@
     // ...
 ]
 
-art_tools_binaries = art_tools_common_binaries + art_tools_device_binaries
+art_tools_device_binaries = art_tools_common_binaries + art_tools_device_only_binaries
+art_tools_host_binaries = art_tools_common_binaries + art_tools_host_only_binaries
 
 apex_key {
     name: "com.android.runtime.key",
@@ -112,7 +101,6 @@
     compile_multilib: "both",
     manifest: "manifest.json",
     native_shared_libs: art_runtime_base_native_shared_libs
-        + art_runtime_fake_native_shared_libs
         + bionic_native_shared_libs,
     multilib: {
         both: {
@@ -141,7 +129,6 @@
     compile_multilib: "both",
     manifest: "manifest.json",
     native_shared_libs: art_runtime_base_native_shared_libs
-        + art_runtime_fake_native_shared_libs
         + art_runtime_debug_native_shared_libs
         + bionic_native_shared_libs,
     multilib: {
@@ -156,7 +143,7 @@
                 + art_runtime_debug_binaries_prefer32,
         },
         first: {
-            binaries: art_tools_binaries,
+            binaries: art_tools_device_binaries,
         }
     },
     prebuilts: art_runtime_time_zone_prebuilts
@@ -177,7 +164,6 @@
     device_supported: false,
     manifest: "manifest.json",
     native_shared_libs: art_runtime_base_native_shared_libs
-        + art_runtime_fake_native_shared_libs
         + art_runtime_debug_native_shared_libs,
     multilib: {
         both: {
@@ -186,8 +172,7 @@
             binaries: art_runtime_base_binaries_both,
         },
         first: {
-            // TODO: oatdump cannot link with host linux_bionic due to not using clang ld
-            binaries: art_tools_common_binaries
+            binaries: art_tools_host_binaries
                 + art_runtime_base_binaries_prefer32
                 + art_runtime_debug_binaries_prefer32,
         }
diff --git a/build/apex/ld.config.txt b/build/apex/ld.config.txt
index 9e49d76..014b115 100644
--- a/build/apex/ld.config.txt
+++ b/build/apex/ld.config.txt
@@ -24,7 +24,8 @@
 namespace.platform.isolated = true
 namespace.platform.search.paths = /system/${LIB}
 namespace.platform.links = default
-namespace.platform.link.default.shared_libs  = libart.so:libartd.so
+namespace.platform.link.default.shared_libs  = libc.so:libdl.so:libm.so
+namespace.platform.link.default.shared_libs += libart.so:libartd.so
 namespace.platform.link.default.shared_libs += libnativebridge.so
 namespace.platform.link.default.shared_libs += libnativehelper.so
 namespace.platform.link.default.shared_libs += libnativeloader.so
diff --git a/compiler/optimizing/intrinsics_arm64.cc b/compiler/optimizing/intrinsics_arm64.cc
index ae1650e..ca790f6 100644
--- a/compiler/optimizing/intrinsics_arm64.cc
+++ b/compiler/optimizing/intrinsics_arm64.cc
@@ -3086,10 +3086,10 @@
 void IntrinsicCodeGeneratorARM64::VisitCRC32UpdateBytes(HInvoke* invoke) {
   DCHECK(codegen_->GetInstructionSetFeatures().HasCRC());
 
-  auto masm = GetVIXLAssembler();
-  auto locations = invoke->GetLocations();
+  MacroAssembler* masm = GetVIXLAssembler();
+  LocationSummary* locations = invoke->GetLocations();
 
-  auto slow_path =
+  SlowPathCodeARM64* slow_path =
     new (codegen_->GetScopedAllocator()) IntrinsicSlowPathARM64(invoke);
   codegen_->AddSlowPath(slow_path);
 
@@ -3101,7 +3101,7 @@
       mirror::Array::DataOffset(Primitive::kPrimByte).Uint32Value();
   Register ptr = XRegisterFrom(locations->GetTemp(0));
   Register array = XRegisterFrom(locations->InAt(1));
-  auto offset = locations->InAt(2);
+  Location offset = locations->InAt(2);
   if (offset.IsConstant()) {
     int32_t offset_value = offset.GetConstant()->AsIntConstant()->GetValue();
     __ Add(ptr, array, array_data_offset + offset_value);
@@ -3148,8 +3148,8 @@
 void IntrinsicCodeGeneratorARM64::VisitCRC32UpdateByteBuffer(HInvoke* invoke) {
   DCHECK(codegen_->GetInstructionSetFeatures().HasCRC());
 
-  auto masm = GetVIXLAssembler();
-  auto locations = invoke->GetLocations();
+  MacroAssembler* masm = GetVIXLAssembler();
+  LocationSummary* locations = invoke->GetLocations();
 
   Register addr = XRegisterFrom(locations->InAt(1));
   Register ptr = XRegisterFrom(locations->GetTemp(0));
diff --git a/dexlayout/Android.bp b/dexlayout/Android.bp
index 24ee5f8..e914738 100644
--- a/dexlayout/Android.bp
+++ b/dexlayout/Android.bp
@@ -26,9 +26,33 @@
         "dex_writer.cc",
     ],
     export_include_dirs: ["."],
-    shared_libs: [
-        "libbase",
-    ],
+    target: {
+        android: {
+            shared_libs: [
+                "libdexfile",
+                "libartbase",
+                "libprofile",
+                "libbase",
+            ],
+        },
+        not_windows: {
+            shared_libs: [
+                "libdexfile",
+                "libartbase",
+                "libprofile",
+                "libbase",
+            ],
+        },
+        windows: {
+            cflags: ["-Wno-thread-safety"],
+            static_libs: [
+                "libdexfile",
+                "libartbase",
+                "libprofile",
+                "libbase",
+            ],
+        },
+    },
     static_libs: ["libz"],
 }
 
@@ -46,18 +70,18 @@
         "libart-dexlayout-defaults",
         "dex2oat-pgo-defaults",
     ],
-    shared_libs: [
-        "libdexfile",
-        "libartbase",
-        "libprofile",
-    ],
-
     target: {
         android: {
             lto: {
                  thin: true,
             },
         },
+        windows: {
+            enabled: true,
+            shared: {
+                enabled: false,
+            },
+        },
     },
 }
 
@@ -118,6 +142,29 @@
 }
 
 art_cc_binary {
+    name: "dexlayouts",
+    defaults: [
+        "dexlayout-defaults",
+        "libart-dexlayout_static_defaults",
+        "libprofile_static_defaults",
+        "libdexfile_static_defaults",
+        "libartbase_static_defaults",
+    ],
+    srcs: ["dexlayout_main.cc"],
+    host_supported: true,
+    device_supported: false,
+    target: {
+        darwin: {
+            enabled: false,
+        },
+        windows: {
+            enabled: true,
+            cflags: ["-Wno-thread-safety"],
+        },
+    },
+}
+
+art_cc_binary {
     name: "dexlayoutd",
     defaults: [
         "art_debug_defaults",
diff --git a/dexlayout/dexlayout.cc b/dexlayout/dexlayout.cc
index 32122eb..ef2c9e4 100644
--- a/dexlayout/dexlayout.cc
+++ b/dexlayout/dexlayout.cc
@@ -24,7 +24,6 @@
 
 #include <inttypes.h>
 #include <stdio.h>
-#include <sys/mman.h>  // For the PROT_* and MAP_* constants.
 
 #include <iostream>
 #include <memory>
@@ -36,6 +35,7 @@
 #include "base/logging.h"  // For VLOG_IS_ON.
 #include "base/hiddenapi_flags.h"
 #include "base/mem_map.h"
+#include "base/mman.h"  // For the PROT_* and MAP_* constants.
 #include "base/os.h"
 #include "base/utils.h"
 #include "dex/art_dex_file_loader.h"
diff --git a/dexlayout/dexlayout_main.cc b/dexlayout/dexlayout_main.cc
index 41b60da..2163f89 100644
--- a/dexlayout/dexlayout_main.cc
+++ b/dexlayout/dexlayout_main.cc
@@ -190,7 +190,12 @@
   // Open profile file.
   std::unique_ptr<ProfileCompilationInfo> profile_info;
   if (options.profile_file_name_) {
-    int profile_fd = open(options.profile_file_name_, O_RDONLY | O_CLOEXEC);
+#ifdef _WIN32
+    int flags = O_RDONLY;
+#else
+    int flags = O_RDONLY | O_CLOEXEC;
+#endif
+    int profile_fd = open(options.profile_file_name_, flags);
     if (profile_fd < 0) {
       PLOG(ERROR) << "Can't open " << options.profile_file_name_;
       return 1;
@@ -201,6 +206,7 @@
       return 1;
     }
   }
+  PLOG(INFO) << "After opening profile file";
 
   // Create DexLayout instance.
   DexLayout dex_layout(options, profile_info.get(), out_file, /*header=*/ nullptr);
diff --git a/dexlist/Android.bp b/dexlist/Android.bp
index 217a024..356791c 100644
--- a/dexlist/Android.bp
+++ b/dexlist/Android.bp
@@ -24,6 +24,26 @@
     ],
 }
 
+art_cc_binary {
+    name: "dexlists",
+    defaults: [
+        "art_defaults",
+        "libartbase_static_defaults",
+        "libdexfile_static_defaults",
+    ],
+    host_supported: true,
+    srcs: ["dexlist.cc"],
+    device_supported: false,
+    target: {
+        darwin: {
+            enabled: false,
+        },
+        windows: {
+            enabled: true,
+        },
+    },
+}
+
 art_cc_test {
     name: "art_dexlist_tests",
     defaults: [
diff --git a/libartbase/Android.bp b/libartbase/Android.bp
index 0fcd6a5..109853c 100644
--- a/libartbase/Android.bp
+++ b/libartbase/Android.bp
@@ -64,6 +64,7 @@
                 // For common macros.
                 "libbase",
             ],
+            export_shared_lib_headers: ["libbase"],
             // Exclude the version script from Darwin host since it's not
             // supported by the linker there. That means ASan checks on Darwin
             // might trigger ODR violations.
@@ -82,12 +83,16 @@
                 // For common macros.
                 "libbase",
             ],
+            export_shared_lib_headers: ["libbase"],
         },
         linux_glibc: {
             version_script: "libartbase.map",
         },
         windows: {
             version_script: "libartbase.map",
+            srcs: [
+                "base/mem_map_windows.cc",
+            ],
             static_libs: [
                 "libziparchive",
                 "libz",
@@ -97,6 +102,7 @@
                 // For common macros.
                 "libbase",
             ],
+            export_static_lib_headers: ["libbase"],
             cflags: ["-Wno-thread-safety"],
         },
     },
@@ -115,7 +121,6 @@
     // ART's macros.h depends on libbase's macros.h.
     // Note: runtime_options.h depends on cmdline. But we don't really want to export this
     //       generically. dex2oat takes care of it itself.
-    export_shared_lib_headers: ["libbase"],
 }
 
 cc_defaults {
diff --git a/libartbase/base/mem_map_windows.cc b/libartbase/base/mem_map_windows.cc
new file mode 100644
index 0000000..84e14ea
--- /dev/null
+++ b/libartbase/base/mem_map_windows.cc
@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "mem_map.h"
+
+#include <windows.h>
+
+#include "android-base/logging.h"
+#include "android-base/stringprintf.h"
+#include "android-base/mapped_file.h"
+#ifdef PROT_READ
+#undef PROT_READ
+#endif
+#ifdef PROT_WRITE
+#undef PROT_WRITE
+#endif
+#include "mman.h"
+
+namespace art {
+
+using android::base::MappedFile;
+using android::base::StringPrintf;
+
+static off_t allocation_granularity;
+
+void MemMap::TargetMMapInit() {
+  SYSTEM_INFO si;
+  GetSystemInfo(&si);
+  allocation_granularity = si.dwAllocationGranularity;
+}
+
+void* MemMap::TargetMMap(void* start, size_t len, int prot, int flags, int fd, off_t fd_off) {
+  UNUSED(start);
+  size_t padding = fd_off % allocation_granularity;
+  off_t file_offset = fd_off - padding;
+  off_t map_length = len + padding;
+
+  // Only read and write permissions are supported.
+  if ((prot != PROT_READ) && (prot != (PROT_READ | PROT_WRITE))) {
+    PLOG(ERROR) << "Protection or flag error was not supported.";
+    errno = EINVAL;
+    return MAP_FAILED;
+  }
+  // Fixed is not currently supported either.
+  // TODO(sehr): add MAP_FIXED support.
+  if ((flags & MAP_FIXED) != 0) {
+    PLOG(ERROR) << "MAP_FIXED not supported.";
+    errno = EINVAL;
+    return MAP_FAILED;
+  }
+
+  // Compute the Windows access flags for the two APIs from the PROTs and MAPs.
+  DWORD map_access = 0;
+  DWORD view_access = 0;
+  if ((prot & PROT_WRITE) != 0) {
+    map_access = PAGE_READWRITE;
+    if (((flags & MAP_SHARED) != 0) && ((flags & MAP_PRIVATE) == 0)) {
+      view_access = FILE_MAP_ALL_ACCESS;
+    } else if (((flags & MAP_SHARED) == 0) && ((flags & MAP_PRIVATE) != 0)) {
+      view_access = FILE_MAP_COPY | FILE_MAP_READ;
+    } else {
+      PLOG(ERROR) << "MAP_PRIVATE and MAP_SHARED inconsistently set.";
+      errno = EINVAL;
+      return MAP_FAILED;
+    }
+  } else {
+    map_access = PAGE_READONLY;
+    view_access = FILE_MAP_READ;
+  }
+
+  // MapViewOfFile does not like to see a size greater than the file size of the
+  // underlying file object, unless the underlying file object is writable.  If
+  // the mapped region would go beyond the end of the underlying file, use zero,
+  // as this indicates the physical size.
+  HANDLE file_handle = reinterpret_cast<HANDLE>(_get_osfhandle(fd));
+  LARGE_INTEGER file_length;
+  if (!::GetFileSizeEx(file_handle, &file_length)) {
+    PLOG(ERROR) << "Couldn't get file size.";
+    errno = EINVAL;
+    return MAP_FAILED;
+  }
+  if (((map_access & PAGE_READONLY) != 0) &&
+      file_offset + map_length > file_length.QuadPart) {
+    map_length = 0;
+  }
+
+  // Create a file mapping object that will be used to access the file.
+  HANDLE handle = ::CreateFileMapping(reinterpret_cast<HANDLE>(_get_osfhandle(fd)),
+                                      nullptr,
+                                      map_access,
+                                      0,
+                                      0,
+                                      nullptr);
+  if (handle == nullptr) {
+    DWORD error = ::GetLastError();
+    PLOG(ERROR) << StringPrintf("Couldn't create file mapping %lx.", error);
+    errno = EINVAL;
+    return MAP_FAILED;
+  }
+
+  // Map the file into the process address space.
+  DWORD offset_low = static_cast<DWORD>(file_offset & 0xffffffffU);
+#ifdef _WIN64
+  DWORD offset_high = static_cast<DWORD>(file_offset >> 32);
+#else
+  DWORD offset_high = static_cast<DWORD>(0);
+#endif
+  void* view_address = MapViewOfFile(handle, view_access, offset_high, offset_low, map_length);
+  if (view_address == nullptr) {
+    DWORD error = ::GetLastError();
+    PLOG(ERROR) << StringPrintf("Couldn't create file view %lx.", error);
+    ::CloseHandle(handle);
+    errno = EINVAL;
+    return MAP_FAILED;
+  }
+
+  return view_address;
+}
+
+int MemMap::TargetMUnmap(void* start, size_t len) {
+  // TODO(sehr): implement unmap.
+  UNUSED(start);
+  UNUSED(len);
+  return 0;
+}
+
+}  // namespace art
diff --git a/libartbase/base/mman.h b/libartbase/base/mman.h
index bd63f65..b56edfc 100644
--- a/libartbase/base/mman.h
+++ b/libartbase/base/mman.h
@@ -20,19 +20,18 @@
 #ifdef _WIN32
 
 // There is no sys/mman.h in mingw.
-// As these are just placeholders for the APIs, all values are stubbed out.
 
-#define PROT_READ      0        // 0x1
-#define PROT_WRITE     0        // 0x2
-#define PROT_EXEC      0        // 0x4
-#define PROT_NONE      0        // 0x0
+#define PROT_READ      0x1
+#define PROT_WRITE     0x2
+#define PROT_EXEC      0x4
+#define PROT_NONE      0x0
 
-#define MAP_SHARED     0        // 0x01
-#define MAP_PRIVATE    0        // 0x02
+#define MAP_SHARED     0x01
+#define MAP_PRIVATE    0x02
 
-#define MAP_FAILED     nullptr  // ((void*) -1)
-#define MAP_FIXED      0        // 0x10
-#define MAP_ANONYMOUS  0        // 0x20
+#define MAP_FAILED     ((void*) -1)
+#define MAP_FIXED      0x10
+#define MAP_ANONYMOUS  0x20
 
 #else
 
diff --git a/libprofile/Android.bp b/libprofile/Android.bp
index a8d8b2f..fd32c5f 100644
--- a/libprofile/Android.bp
+++ b/libprofile/Android.bp
@@ -23,33 +23,55 @@
     ],
     target: {
         android: {
+            shared_libs: [
+                "libartbase",
+                "libdexfile",
+                "libartbase",
+	        // For atrace.
+                "libcutils",
+                "libbase",
+            ],
             static_libs: [
                 // ZipArchive support, the order matters here to get all symbols.
                 "libziparchive",
                 "libz",
             ],
+            export_shared_lib_headers: ["libbase"],
         },
-        host: {
+        not_windows: {
             shared_libs: [
+                "libartbase",
+                "libdexfile",
+                "libartbase",
+	        // For atrace.
+                "libcutils",
                 "libziparchive",
                 "libz",
+                "libbase",
             ],
+            export_shared_lib_headers: ["libbase"],
+        },
+        windows: {
+	    cflags: ["-Wno-thread-safety"],
+            static_libs: [
+                "libartbase",
+                "libdexfile",
+                "libartbase",
+	        // For atrace.
+                "libcutils",
+                "libziparchive",
+                "libz",
+                "libbase",
+            ],
+            export_static_lib_headers: ["libbase"],
         },
     },
     //generated_sources: ["art_libartbase_operator_srcs"],
     cflags: ["-DBUILDING_LIBART=1"],
-    shared_libs: [
-        "libartbase",
-        "libdexfile",
-        "libartbase",
-	// For atrace.
-        "libcutils",
-    ],
     export_include_dirs: ["."],
     // ART's macros.h depends on libbase's macros.h.
     // Note: runtime_options.h depends on cmdline. But we don't really want to export this
     //       generically. dex2oat takes care of it itself.
-    export_shared_lib_headers: ["libbase"],
 }
 
 cc_defaults {
@@ -95,6 +117,14 @@
         "libziparchive",
     ],
     export_shared_lib_headers: ["libbase"],
+    target: {
+        windows: {
+	    enabled: true,
+	    shared: {
+	        enabled: false,
+	    },
+	},
+    }
 }
 
 art_cc_library {
diff --git a/libprofile/profile/profile_compilation_info.cc b/libprofile/profile/profile_compilation_info.cc
index 8b8569d..47b17ae 100644
--- a/libprofile/profile/profile_compilation_info.cc
+++ b/libprofile/profile/profile_compilation_info.cc
@@ -19,7 +19,6 @@
 #include <sys/file.h>
 #include <sys/stat.h>
 #include <sys/types.h>
-#include <sys/uio.h>
 #include <unistd.h>
 #include <zlib.h>
 
@@ -208,7 +207,11 @@
 
 bool ProfileCompilationInfo::MergeWith(const std::string& filename) {
   std::string error;
+#ifdef _WIN32
+  int flags = O_RDONLY;
+#else
   int flags = O_RDONLY | O_NOFOLLOW | O_CLOEXEC;
+#endif
   ScopedFlock profile_file =
       LockedFile::Open(filename.c_str(), flags, /*block=*/false, &error);
 
@@ -236,7 +239,11 @@
     return kProfileLoadWouldOverwiteData;
   }
 
+#ifdef _WIN32
+  int flags = O_RDWR;
+#else
   int flags = O_RDWR | O_NOFOLLOW | O_CLOEXEC;
+#endif
   // There's no need to fsync profile data right away. We get many chances
   // to write it again in case something goes wrong. We can rely on a simple
   // close(), no sync, and let to the kernel decide when to write to disk.
@@ -274,7 +281,11 @@
 bool ProfileCompilationInfo::Save(const std::string& filename, uint64_t* bytes_written) {
   ScopedTrace trace(__PRETTY_FUNCTION__);
   std::string error;
+#ifdef _WIN32
+  int flags = O_WRONLY;
+#else
   int flags = O_WRONLY | O_NOFOLLOW | O_CLOEXEC;
+#endif
   // There's no need to fsync profile data right away. We get many chances
   // to write it again in case something goes wrong. We can rely on a simple
   // close(), no sync, and let to the kernel decide when to write to disk.
diff --git a/profman/Android.bp b/profman/Android.bp
index 89e1f7e..33cca02 100644
--- a/profman/Android.bp
+++ b/profman/Android.bp
@@ -40,7 +40,6 @@
     name: "profman",
     defaults: ["profman-defaults"],
     shared_libs: [
-        "libart",
         "libprofile",
         "libdexfile",
         "libartbase",
@@ -54,13 +53,33 @@
         "profman-defaults",
     ],
     shared_libs: [
-        "libartd",
         "libprofiled",
         "libdexfiled",
         "libartbased",
     ],
 }
 
+art_cc_binary {
+    name: "profmans",
+    defaults: [
+        "profman-defaults",
+        "libprofile_static_defaults",
+        "libdexfile_static_defaults",
+        "libartbase_static_defaults",
+    ],
+    host_supported: true,
+    device_supported: false,
+    target: {
+        darwin: {
+            enabled: false,
+        },
+        windows: {
+            enabled: true,
+	    cflags: ["-Wno-thread-safety"],
+        },
+    },
+}
+
 art_cc_test {
     name: "art_profman_tests",
     defaults: [
diff --git a/profman/profman.cc b/profman/profman.cc
index 88c5c4e..82d9df0 100644
--- a/profman/profman.cc
+++ b/profman/profman.cc
@@ -467,6 +467,10 @@
   // The methods reads the links from /proc/self/fd/ to find the original apk paths
   // and puts them in the dex_locations_ vector.
   bool ComputeDexLocationsFromApkFds() {
+#ifdef _WIN32
+    PLOG(ERROR) << "ComputeDexLocationsFromApkFds is unsupported on Windows.";
+    return false;
+#else
     // We can't use a char array of PATH_MAX size without exceeding the frame size.
     // So we use a vector as the buffer for the path.
     std::vector<char> buffer(PATH_MAX, 0);
@@ -482,11 +486,17 @@
       dex_locations_.push_back(buffer.data());
     }
     return true;
+#endif
   }
 
   std::unique_ptr<const ProfileCompilationInfo> LoadProfile(const std::string& filename, int fd) {
     if (!filename.empty()) {
-      fd = open(filename.c_str(), O_RDWR | O_CLOEXEC);
+#ifdef _WIN32
+      int flags = O_RDWR;
+#else
+      int flags = O_RDWR | O_CLOEXEC;
+#endif
+      fd = open(filename.c_str(), flags);
       if (fd < 0) {
         LOG(ERROR) << "Cannot open " << filename << strerror(errno);
         return nullptr;
@@ -650,7 +660,12 @@
   bool GetClassNamesAndMethods(const std::string& profile_file,
                                std::vector<std::unique_ptr<const DexFile>>* dex_files,
                                std::set<std::string>* out_lines) {
-    int fd = open(profile_file.c_str(), O_RDONLY | O_CLOEXEC);
+#ifdef _WIN32
+    int flags = O_RDONLY;
+#else
+    int flags = O_RDONLY | O_CLOEXEC;
+#endif
+    int fd = open(profile_file.c_str(), flags);
     if (!FdIsValid(fd)) {
       LOG(ERROR) << "Cannot open " << profile_file << strerror(errno);
       return false;
@@ -1031,7 +1046,12 @@
     int fd = reference_profile_file_fd_;
     if (!FdIsValid(fd)) {
       CHECK(!reference_profile_file_.empty());
-      fd = open(reference_profile_file_.c_str(), O_CREAT | O_TRUNC | O_WRONLY | O_CLOEXEC, 0644);
+#ifdef _WIN32
+      int flags = O_CREAT | O_TRUNC | O_WRONLY;
+#else
+      int flags = O_CREAT | O_TRUNC | O_WRONLY | O_CLOEXEC;
+#endif
+      fd = open(reference_profile_file_.c_str(), flags, 0644);
       if (fd < 0) {
         LOG(ERROR) << "Cannot open " << reference_profile_file_ << strerror(errno);
         return kInvalidFd;
@@ -1164,9 +1184,12 @@
       }
     }
     // ShouldGenerateTestProfile confirms !test_profile_.empty().
-    int profile_test_fd = open(test_profile_.c_str(),
-                               O_CREAT | O_TRUNC | O_WRONLY | O_CLOEXEC,
-                               0644);
+#ifdef _WIN32
+    int flags = O_CREAT | O_TRUNC | O_WRONLY;
+#else
+    int flags = O_CREAT | O_TRUNC | O_WRONLY | O_CLOEXEC;
+#endif
+    int profile_test_fd = open(test_profile_.c_str(), flags, 0644);
     if (profile_test_fd < 0) {
       LOG(ERROR) << "Cannot open " << test_profile_ << strerror(errno);
       return -1;
diff --git a/runtime/gc/heap.cc b/runtime/gc/heap.cc
index 8d19cd0..d699da0 100644
--- a/runtime/gc/heap.cc
+++ b/runtime/gc/heap.cc
@@ -3798,7 +3798,7 @@
   if (!Runtime::Current()->IsShuttingDown(self)) {
     // Wait for any GCs currently running to finish.
     if (WaitForGcToComplete(cause, self) == collector::kGcTypeNone) {
-      // If the we can't run the GC type we wanted to run, find the next appropriate one and try
+      // If we can't run the GC type we wanted to run, find the next appropriate one and try
       // that instead. E.g. can't do partial, so do full instead.
       collector::GcType next_gc_type = next_gc_type_;
       // If forcing full and next gc type is sticky, override with a non-sticky type.
@@ -3977,8 +3977,13 @@
 // If weighted java + native memory use exceeds our target by kStopForNativeFactor, and
 // newly allocated memory exceeds kHugeNativeAlloc, we wait for GC to complete to avoid
 // running out of memory.
-static constexpr float kStopForNativeFactor = 2.0;
-static constexpr size_t kHugeNativeAllocs = 200*1024*1024;
+static constexpr float kStopForNativeFactor = 4.0;
+// TODO: Allow this to be tuned. We want this much smaller for some apps, like Calculator.
+// But making it too small can cause jank in apps like launcher that intentionally allocate
+// large amounts of memory in rapid succession. (b/122099093)
+// For now, we punt, and use a value that should be easily large enough to disable this in all
+// questionable setting, but that is clearly too large to be effective for small memory devices.
+static constexpr size_t kHugeNativeAllocs = 1 * GB;
 
 // Return the ratio of the weighted native + java allocated bytes to its target value.
 // A return value > 1.0 means we should collect. Significantly larger values mean we're falling
@@ -3998,8 +4003,9 @@
     size_t new_native_bytes = UnsignedDifference(current_native_bytes, old_native_bytes);
     size_t weighted_native_bytes = new_native_bytes / kNewNativeDiscountFactor
         + old_native_bytes / kOldNativeDiscountFactor;
-    size_t adj_start_bytes = concurrent_start_bytes_
-        + NativeAllocationGcWatermark() / kNewNativeDiscountFactor;
+    size_t add_bytes_allowed = static_cast<size_t>(
+        NativeAllocationGcWatermark() * HeapGrowthMultiplier());
+    size_t adj_start_bytes = concurrent_start_bytes_ + add_bytes_allowed / kNewNativeDiscountFactor;
     return static_cast<float>(GetBytesAllocated() + weighted_native_bytes)
          / static_cast<float>(adj_start_bytes);
   }
@@ -4017,7 +4023,7 @@
         if (VLOG_IS_ON(heap) || VLOG_IS_ON(startup)) {
           LOG(INFO) << "Stopping for native allocation, urgency: " << gc_urgency;
         }
-        WaitForGcToComplete(kGcCauseForAlloc, self);
+        WaitForGcToComplete(kGcCauseForNativeAlloc, self);
       }
     } else {
       CollectGarbageInternal(NonStickyGcType(), kGcCauseForNativeAlloc, false);
diff --git a/runtime/gc/heap.h b/runtime/gc/heap.h
index 6696cc1..9949bf4 100644
--- a/runtime/gc/heap.h
+++ b/runtime/gc/heap.h
@@ -157,7 +157,12 @@
   // Client should call NotifyNativeAllocation every kNotifyNativeInterval allocations.
   // Should be chosen so that time_to_call_mallinfo / kNotifyNativeInterval is on the same order
   // as object allocation time. time_to_call_mallinfo seems to be on the order of 1 usec.
+#ifdef __ANDROID__
   static constexpr uint32_t kNotifyNativeInterval = 32;
+#else
+  // Some host mallinfo() implementations are slow. And memory is less scarce.
+  static constexpr uint32_t kNotifyNativeInterval = 128;
+#endif
 
   // RegisterNativeAllocation checks immediately whether GC is needed if size exceeds the
   // following. kCheckImmediatelyThreshold * kNotifyNativeInterval should be small enough to
@@ -1140,15 +1145,9 @@
   // collect. We collect when a weighted sum of Java memory plus native memory exceeds
   // the similarly weighted sum of the Java heap size target and this value.
   ALWAYS_INLINE size_t NativeAllocationGcWatermark() const {
-    // It probably makes most sense to use a constant multiple of target_footprint_ .
-    // This is a good indication of the live data size, together with the
-    // intended space-time trade-off, as expressed by SetTargetHeapUtilization.
-    // For a fixed target utilization, the amount of GC effort per native
-    // allocated byte remains roughly constant as the Java heap size changes.
-    // But we previously triggered on max_free_ native allocation which is often much
-    // smaller. To avoid unexpected growth, we partially keep that limit in place for now.
-    // TODO: Consider HeapGrowthMultiplier(). Maybe.
-    return std::min(target_footprint_.load(std::memory_order_relaxed), 2 * max_free_);
+    // We keep the traditional limit of max_free_ in place for small heaps,
+    // but allow it to be adjusted upward for large heaps to limit GC overhead.
+    return target_footprint_.load(std::memory_order_relaxed) / 8 + max_free_;
   }
 
   ALWAYS_INLINE void IncrementNumberOfBytesFreedRevoke(size_t freed_bytes_revoke);