Move toolchain and global variables into separate package

Move all of the configuration into a cc/config package

Change-Id: If56fc7242062ed1ce3cb297f78a1e0ef7537373c

cc/config/mips64_device.go

@@ -0,0 +1,195 @@
+// Copyright 2015 Google Inc. All rights reserved.
+//
+// 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.
+
+package config
+
+import (
+	"strings"
+
+	"android/soong/android"
+)
+
+var (
+	mips64Cflags = []string{
+		"-fno-exceptions", // from build/core/combo/select.mk
+		"-Wno-multichar",  // from build/core/combo/select.mk
+		"-O2",
+		"-fomit-frame-pointer",
+		"-fno-strict-aliasing",
+		"-funswitch-loops",
+		"-U__unix",
+		"-U__unix__",
+		"-Umips",
+		"-ffunction-sections",
+		"-fdata-sections",
+		"-funwind-tables",
+		"-fstack-protector-strong",
+		"-Wa,--noexecstack",
+		"-Werror=format-security",
+		"-D_FORTIFY_SOURCE=2",
+		"-no-canonical-prefixes",
+		"-fno-canonical-system-headers",
+
+		// Help catch common 32/64-bit errors.
+		"-Werror=pointer-to-int-cast",
+		"-Werror=int-to-pointer-cast",
+		"-Werror=implicit-function-declaration",
+
+		// TARGET_RELEASE_CFLAGS
+		"-DNDEBUG",
+		"-g",
+		"-Wstrict-aliasing=2",
+		"-fgcse-after-reload",
+		"-frerun-cse-after-loop",
+		"-frename-registers",
+	}
+
+	mips64Cppflags = []string{
+		"-fvisibility-inlines-hidden",
+	}
+
+	mips64Ldflags = []string{
+		"-Wl,-z,noexecstack",
+		"-Wl,-z,relro",
+		"-Wl,-z,now",
+		"-Wl,--build-id=md5",
+		"-Wl,--warn-shared-textrel",
+		"-Wl,--fatal-warnings",
+		"-Wl,--allow-shlib-undefined",
+		"-Wl,--no-undefined-version",
+	}
+
+	mips64ArchVariantCflags = map[string][]string{
+		"mips64r2": []string{
+			"-mips64r2",
+			"-msynci",
+		},
+		"mips64r6": []string{
+			"-mips64r6",
+			"-msynci",
+		},
+	}
+)
+
+const (
+	mips64GccVersion = "4.9"
+)
+
+func init() {
+	android.RegisterArchFeatures(android.Mips64, "mips64r6",
+		"rev6")
+
+	pctx.StaticVariable("mips64GccVersion", mips64GccVersion)
+
+	pctx.SourcePathVariable("Mips64GccRoot",
+		"prebuilts/gcc/${HostPrebuiltTag}/mips/mips64el-linux-android-${mips64GccVersion}")
+
+	pctx.StaticVariable("Mips64Cflags", strings.Join(mips64Cflags, " "))
+	pctx.StaticVariable("Mips64Ldflags", strings.Join(mips64Ldflags, " "))
+	pctx.StaticVariable("Mips64Cppflags", strings.Join(mips64Cppflags, " "))
+	pctx.StaticVariable("Mips64IncludeFlags", bionicHeaders("mips64", "mips"))
+
+	// Clang cflags
+	pctx.StaticVariable("Mips64ClangCflags", strings.Join(ClangFilterUnknownCflags(mips64Cflags), " "))
+	pctx.StaticVariable("Mips64ClangLdflags", strings.Join(ClangFilterUnknownCflags(mips64Ldflags), " "))
+	pctx.StaticVariable("Mips64ClangCppflags", strings.Join(ClangFilterUnknownCflags(mips64Cppflags), " "))
+
+	// Extended cflags
+
+	// Architecture variant cflags
+	for variant, cflags := range mips64ArchVariantCflags {
+		pctx.StaticVariable("Mips64"+variant+"VariantCflags", strings.Join(cflags, " "))
+		pctx.StaticVariable("Mips64"+variant+"VariantClangCflags",
+			strings.Join(ClangFilterUnknownCflags(cflags), " "))
+	}
+}
+
+type toolchainMips64 struct {
+	toolchain64Bit
+	cflags, clangCflags                   string
+	toolchainCflags, toolchainClangCflags string
+}
+
+func (t *toolchainMips64) Name() string {
+	return "mips64"
+}
+
+func (t *toolchainMips64) GccRoot() string {
+	return "${config.Mips64GccRoot}"
+}
+
+func (t *toolchainMips64) GccTriple() string {
+	return "mips64el-linux-android"
+}
+
+func (t *toolchainMips64) GccVersion() string {
+	return mips64GccVersion
+}
+
+func (t *toolchainMips64) ToolchainCflags() string {
+	return t.toolchainCflags
+}
+
+func (t *toolchainMips64) Cflags() string {
+	return t.cflags
+}
+
+func (t *toolchainMips64) Cppflags() string {
+	return "${config.Mips64Cppflags}"
+}
+
+func (t *toolchainMips64) Ldflags() string {
+	return "${config.Mips64Ldflags}"
+}
+
+func (t *toolchainMips64) IncludeFlags() string {
+	return "${config.Mips64IncludeFlags}"
+}
+
+func (t *toolchainMips64) ClangTriple() string {
+	return t.GccTriple()
+}
+
+func (t *toolchainMips64) ToolchainClangCflags() string {
+	return t.toolchainClangCflags
+}
+
+func (t *toolchainMips64) ClangCflags() string {
+	return t.clangCflags
+}
+
+func (t *toolchainMips64) ClangCppflags() string {
+	return "${config.Mips64ClangCppflags}"
+}
+
+func (t *toolchainMips64) ClangLdflags() string {
+	return "${config.Mips64ClangLdflags}"
+}
+
+func (toolchainMips64) AddressSanitizerRuntimeLibrary() string {
+	return "libclang_rt.asan-mips64-android.so"
+}
+
+func mips64ToolchainFactory(arch android.Arch) Toolchain {
+	return &toolchainMips64{
+		cflags:               "${config.Mips64Cflags}",
+		clangCflags:          "${config.Mips64ClangCflags}",
+		toolchainCflags:      "${config.Mips64" + arch.ArchVariant + "VariantCflags}",
+		toolchainClangCflags: "${config.Mips64" + arch.ArchVariant + "VariantClangCflags}",
+	}
+}
+
+func init() {
+	registerToolchainFactory(android.Android, android.Mips64, mips64ToolchainFactory)
+}