344 lines
9.4 KiB
Go
344 lines
9.4 KiB
Go
// Copyright (C) 2016 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package art
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import (
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"android/soong/android"
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"android/soong/cc"
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"fmt"
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"sync"
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)
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var supportedArches = []string{"arm", "arm64", "mips", "mips64", "x86", "x86_64"}
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func globalFlags(ctx android.BaseContext) ([]string, []string) {
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var cflags []string
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var asflags []string
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opt := envDefault(ctx, "ART_NDEBUG_OPT_FLAG", "-O3")
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cflags = append(cflags, opt)
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tlab := false
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gcType := envDefault(ctx, "ART_DEFAULT_GC_TYPE", "CMS")
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if envTrue(ctx, "ART_TEST_DEBUG_GC") {
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gcType = "SS"
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tlab = true
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}
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cflags = append(cflags, "-DART_DEFAULT_GC_TYPE_IS_"+gcType)
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if tlab {
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cflags = append(cflags, "-DART_USE_TLAB=1")
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}
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if !envFalse(ctx, "ART_ENABLE_VDEX") {
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cflags = append(cflags, "-DART_ENABLE_VDEX")
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}
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imtSize := envDefault(ctx, "ART_IMT_SIZE", "43")
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cflags = append(cflags, "-DIMT_SIZE="+imtSize)
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if envTrue(ctx, "ART_HEAP_POISONING") {
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cflags = append(cflags, "-DART_HEAP_POISONING=1")
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asflags = append(asflags, "-DART_HEAP_POISONING=1")
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}
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if !envFalse(ctx, "ART_USE_READ_BARRIER") && ctx.AConfig().ArtUseReadBarrier() {
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// Used to change the read barrier type. Valid values are BAKER, BROOKS,
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// TABLELOOKUP. The default is BAKER.
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barrierType := envDefault(ctx, "ART_READ_BARRIER_TYPE", "BAKER")
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cflags = append(cflags,
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"-DART_USE_READ_BARRIER=1",
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"-DART_READ_BARRIER_TYPE_IS_"+barrierType+"=1")
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asflags = append(asflags,
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"-DART_USE_READ_BARRIER=1",
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"-DART_READ_BARRIER_TYPE_IS_"+barrierType+"=1")
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}
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// We need larger stack overflow guards for ASAN, as the compiled code will have
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// larger frame sizes. For simplicity, just use global not-target-specific cflags.
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// Note: We increase this for both debug and non-debug, as the overflow gap will
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// be compiled into managed code. We always preopt (and build core images) with
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// the debug version. So make the gap consistent (and adjust for the worst).
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if len(ctx.AConfig().SanitizeDevice()) > 0 || len(ctx.AConfig().SanitizeHost()) > 0 {
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cflags = append(cflags,
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"-DART_STACK_OVERFLOW_GAP_arm=8192",
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"-DART_STACK_OVERFLOW_GAP_arm64=8192",
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"-DART_STACK_OVERFLOW_GAP_mips=16384",
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"-DART_STACK_OVERFLOW_GAP_mips64=16384",
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"-DART_STACK_OVERFLOW_GAP_x86=16384",
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"-DART_STACK_OVERFLOW_GAP_x86_64=20480")
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} else {
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cflags = append(cflags,
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"-DART_STACK_OVERFLOW_GAP_arm=8192",
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"-DART_STACK_OVERFLOW_GAP_arm64=8192",
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"-DART_STACK_OVERFLOW_GAP_mips=16384",
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"-DART_STACK_OVERFLOW_GAP_mips64=16384",
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"-DART_STACK_OVERFLOW_GAP_x86=8192",
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"-DART_STACK_OVERFLOW_GAP_x86_64=8192")
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}
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if envTrue(ctx, "ART_ENABLE_ADDRESS_SANITIZER") {
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// Used to enable full sanitization, i.e., user poisoning, under ASAN.
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cflags = append(cflags, "-DART_ENABLE_ADDRESS_SANITIZER=1")
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asflags = append(asflags, "-DART_ENABLE_ADDRESS_SANITIZER=1")
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}
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return cflags, asflags
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}
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func debugFlags(ctx android.BaseContext) []string {
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var cflags []string
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opt := envDefault(ctx, "ART_DEBUG_OPT_FLAG", "-O2")
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cflags = append(cflags, opt)
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return cflags
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}
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func deviceFlags(ctx android.BaseContext) []string {
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var cflags []string
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deviceFrameSizeLimit := 1736
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if len(ctx.AConfig().SanitizeDevice()) > 0 {
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deviceFrameSizeLimit = 7400
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}
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cflags = append(cflags,
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fmt.Sprintf("-Wframe-larger-than=%d", deviceFrameSizeLimit),
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fmt.Sprintf("-DART_FRAME_SIZE_LIMIT=%d", deviceFrameSizeLimit),
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)
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cflags = append(cflags, "-DART_BASE_ADDRESS="+ctx.AConfig().LibartImgDeviceBaseAddress())
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if envTrue(ctx, "ART_TARGET_LINUX") {
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cflags = append(cflags, "-DART_TARGET_LINUX")
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} else {
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cflags = append(cflags, "-DART_TARGET_ANDROID")
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}
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minDelta := envDefault(ctx, "LIBART_IMG_TARGET_MIN_BASE_ADDRESS_DELTA", "-0x1000000")
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maxDelta := envDefault(ctx, "LIBART_IMG_TARGET_MAX_BASE_ADDRESS_DELTA", "0x1000000")
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cflags = append(cflags, "-DART_BASE_ADDRESS_MIN_DELTA="+minDelta)
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cflags = append(cflags, "-DART_BASE_ADDRESS_MAX_DELTA="+maxDelta)
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return cflags
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}
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func hostFlags(ctx android.BaseContext) []string {
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var cflags []string
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hostFrameSizeLimit := 1736
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if len(ctx.AConfig().SanitizeHost()) > 0 {
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// art/test/137-cfi/cfi.cc
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// error: stack frame size of 1944 bytes in function 'Java_Main_unwindInProcess'
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hostFrameSizeLimit = 6400
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}
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cflags = append(cflags,
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fmt.Sprintf("-Wframe-larger-than=%d", hostFrameSizeLimit),
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fmt.Sprintf("-DART_FRAME_SIZE_LIMIT=%d", hostFrameSizeLimit),
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)
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cflags = append(cflags, "-DART_BASE_ADDRESS="+ctx.AConfig().LibartImgHostBaseAddress())
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minDelta := envDefault(ctx, "LIBART_IMG_HOST_MIN_BASE_ADDRESS_DELTA", "-0x1000000")
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maxDelta := envDefault(ctx, "LIBART_IMG_HOST_MAX_BASE_ADDRESS_DELTA", "0x1000000")
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cflags = append(cflags, "-DART_BASE_ADDRESS_MIN_DELTA="+minDelta)
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cflags = append(cflags, "-DART_BASE_ADDRESS_MAX_DELTA="+maxDelta)
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return cflags
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}
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func globalDefaults(ctx android.LoadHookContext) {
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type props struct {
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Target struct {
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Android struct {
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Cflags []string
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}
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Host struct {
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Cflags []string
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}
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}
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Cflags []string
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Asflags []string
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Sanitize struct {
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Recover []string
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}
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}
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p := &props{}
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p.Cflags, p.Asflags = globalFlags(ctx)
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p.Target.Android.Cflags = deviceFlags(ctx)
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p.Target.Host.Cflags = hostFlags(ctx)
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if envTrue(ctx, "ART_DEX_FILE_ACCESS_TRACKING") {
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p.Cflags = append(p.Cflags, "-DART_DEX_FILE_ACCESS_TRACKING")
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p.Sanitize.Recover = []string{
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"address",
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}
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}
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ctx.AppendProperties(p)
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}
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func debugDefaults(ctx android.LoadHookContext) {
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type props struct {
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Cflags []string
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}
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p := &props{}
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p.Cflags = debugFlags(ctx)
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ctx.AppendProperties(p)
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}
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func customLinker(ctx android.LoadHookContext) {
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linker := envDefault(ctx, "CUSTOM_TARGET_LINKER", "")
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if linker != "" {
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type props struct {
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DynamicLinker string
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}
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p := &props{}
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p.DynamicLinker = linker
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ctx.AppendProperties(p)
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}
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}
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func prefer32Bit(ctx android.LoadHookContext) {
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if envTrue(ctx, "HOST_PREFER_32_BIT") {
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type props struct {
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Target struct {
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Host struct {
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Compile_multilib string
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}
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}
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}
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p := &props{}
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p.Target.Host.Compile_multilib = "prefer32"
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ctx.AppendProperties(p)
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}
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}
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func testMap(config android.Config) map[string][]string {
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return config.Once("artTests", func() interface{} {
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return make(map[string][]string)
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}).(map[string][]string)
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}
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func testInstall(ctx android.InstallHookContext) {
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testMap := testMap(ctx.AConfig())
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var name string
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if ctx.Host() {
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name = "host_"
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} else {
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name = "device_"
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}
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name += ctx.Arch().ArchType.String() + "_" + ctx.ModuleName()
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artTestMutex.Lock()
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defer artTestMutex.Unlock()
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tests := testMap[name]
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tests = append(tests, ctx.Path().RelPathString())
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testMap[name] = tests
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}
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var artTestMutex sync.Mutex
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func init() {
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android.RegisterModuleType("art_cc_library", artLibrary)
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android.RegisterModuleType("art_cc_binary", artBinary)
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android.RegisterModuleType("art_cc_test", artTest)
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android.RegisterModuleType("art_cc_test_library", artTestLibrary)
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android.RegisterModuleType("art_cc_defaults", artDefaultsFactory)
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android.RegisterModuleType("art_global_defaults", artGlobalDefaultsFactory)
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android.RegisterModuleType("art_debug_defaults", artDebugDefaultsFactory)
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}
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func artGlobalDefaultsFactory() android.Module {
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module := artDefaultsFactory()
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android.AddLoadHook(module, globalDefaults)
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return module
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}
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func artDebugDefaultsFactory() android.Module {
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module := artDefaultsFactory()
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android.AddLoadHook(module, debugDefaults)
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return module
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}
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func artDefaultsFactory() android.Module {
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c := &codegenProperties{}
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module := cc.DefaultsFactory(c)
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android.AddLoadHook(module, func(ctx android.LoadHookContext) { codegen(ctx, c, true) })
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return module
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}
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func artLibrary() android.Module {
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library, _ := cc.NewLibrary(android.HostAndDeviceSupported)
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module := library.Init()
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installCodegenCustomizer(module, true)
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return module
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}
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func artBinary() android.Module {
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binary, _ := cc.NewBinary(android.HostAndDeviceSupported)
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module := binary.Init()
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android.AddLoadHook(module, customLinker)
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android.AddLoadHook(module, prefer32Bit)
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return module
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}
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func artTest() android.Module {
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test := cc.NewTest(android.HostAndDeviceSupported)
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module := test.Init()
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installCodegenCustomizer(module, false)
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android.AddLoadHook(module, customLinker)
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android.AddLoadHook(module, prefer32Bit)
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android.AddInstallHook(module, testInstall)
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return module
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}
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func artTestLibrary() android.Module {
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test := cc.NewTestLibrary(android.HostAndDeviceSupported)
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module := test.Init()
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installCodegenCustomizer(module, false)
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android.AddLoadHook(module, prefer32Bit)
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android.AddInstallHook(module, testInstall)
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return module
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}
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func envDefault(ctx android.BaseContext, key string, defaultValue string) string {
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ret := ctx.AConfig().Getenv(key)
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if ret == "" {
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return defaultValue
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}
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return ret
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}
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func envTrue(ctx android.BaseContext, key string) bool {
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return ctx.AConfig().Getenv(key) == "true"
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}
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func envFalse(ctx android.BaseContext, key string) bool {
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return ctx.AConfig().Getenv(key) == "false"
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}
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