Add riscv64-linux-android support
Add barebones riscv64-linux-android support. This should be enough
to add riscv64-specific entries to Android.bp files, but can't
actually compile anything until there are riscv64 toolchains.
Test: arch_test.go
Change-Id: I0dcc7e797d9352dd38243be908a7f19004ff3db1
diff --git a/android/arch.go b/android/arch.go
index 9bc9d89..75ee922 100644
--- a/android/arch.go
+++ b/android/arch.go
@@ -147,10 +147,11 @@
var (
archTypeList []ArchType
- Arm = newArch("arm", "lib32")
- Arm64 = newArch("arm64", "lib64")
- X86 = newArch("x86", "lib32")
- X86_64 = newArch("x86_64", "lib64")
+ Arm = newArch("arm", "lib32")
+ Arm64 = newArch("arm64", "lib64")
+ Riscv64 = newArch("riscv64", "lib64")
+ X86 = newArch("x86", "lib32")
+ X86_64 = newArch("x86_64", "lib64")
Common = ArchType{
Name: COMMON_VARIANT,
@@ -318,7 +319,7 @@
Windows = newOsType("windows", Host, true, X86, X86_64)
// Android is the OS for target devices that run all of Android, including the Linux kernel
// and the Bionic libc runtime.
- Android = newOsType("android", Device, false, Arm, Arm64, X86, X86_64)
+ Android = newOsType("android", Device, false, Arm, Arm64, Riscv64, X86, X86_64)
// CommonOS is a pseudo OSType for a common OS variant, which is OsType agnostic and which
// has dependencies on all the OS variants.
diff --git a/android/arch_test.go b/android/arch_test.go
index 6814f8a..46c018a 100644
--- a/android/arch_test.go
+++ b/android/arch_test.go
@@ -596,6 +596,7 @@
arm64: {
a: ["arm64"],
},
+ riscv64: { a: ["riscv64"] },
x86: { a: ["x86"] },
x86_64: { a: ["x86_64"] },
},
diff --git a/bazel/configurability.go b/bazel/configurability.go
index b6bbd67..a93aa00 100644
--- a/bazel/configurability.go
+++ b/bazel/configurability.go
@@ -23,10 +23,11 @@
const (
// ArchType names in arch.go
- archArm = "arm"
- archArm64 = "arm64"
- archX86 = "x86"
- archX86_64 = "x86_64"
+ archArm = "arm"
+ archArm64 = "arm64"
+ archRiscv64 = "riscv64"
+ archX86 = "x86"
+ archX86_64 = "x86_64"
// OsType names in arch.go
OsAndroid = "android"
@@ -39,6 +40,7 @@
// Targets in arch.go
osArchAndroidArm = "android_arm"
osArchAndroidArm64 = "android_arm64"
+ osArchAndroidRiscv64 = "android_riscv64"
osArchAndroidX86 = "android_x86"
osArchAndroidX86_64 = "android_x86_64"
osArchDarwinArm64 = "darwin_arm64"
@@ -99,6 +101,7 @@
"arm64": {
"dotprod",
},
+ "riscv64": {},
"x86": {
"ssse3",
"sse4",
@@ -164,6 +167,7 @@
platformOsArchMap = map[string]string{
osArchAndroidArm: "//build/bazel/platforms/os_arch:android_arm",
osArchAndroidArm64: "//build/bazel/platforms/os_arch:android_arm64",
+ osArchAndroidRiscv64: "//build/bazel/platforms/os_arch:android_riscv64",
osArchAndroidX86: "//build/bazel/platforms/os_arch:android_x86",
osArchAndroidX86_64: "//build/bazel/platforms/os_arch:android_x86_64",
osArchDarwinArm64: "//build/bazel/platforms/os_arch:darwin_arm64",
@@ -187,7 +191,7 @@
// TODO(cparsons): Source from arch.go; this task is nontrivial, as it currently results
// in a cyclic dependency.
osToArchMap = map[string][]string{
- OsAndroid: {archArm, archArm64, archX86, archX86_64},
+ OsAndroid: {archArm, archArm64, archRiscv64, archX86, archX86_64},
osLinux: {archX86, archX86_64},
osLinuxMusl: {archX86, archX86_64},
osDarwin: {archArm64, archX86_64},
diff --git a/bp2build/build_conversion_test.go b/bp2build/build_conversion_test.go
index d513d04..c1fb800 100644
--- a/bp2build/build_conversion_test.go
+++ b/bp2build/build_conversion_test.go
@@ -369,6 +369,7 @@
x86_64: { arch_paths: ["x86_64.txt"] },
arm: { arch_paths: ["arm.txt"] },
arm64: { arch_paths: ["arm64.txt"] },
+ riscv64: { arch_paths: ["riscv64.txt"] },
},
target: {
linux: { arch_paths: ["linux.txt"] },
@@ -401,6 +402,10 @@
"arm64.txt",
"lib64.txt",
],
+ "//build/bazel/platforms/arch:riscv64": [
+ "riscv64.txt",
+ "lib64.txt",
+ ],
"//build/bazel/platforms/arch:x86": [
"x86.txt",
"lib32.txt",
diff --git a/bp2build/cc_library_static_conversion_test.go b/bp2build/cc_library_static_conversion_test.go
index e3ea9a0..b47d1f1 100644
--- a/bp2build/cc_library_static_conversion_test.go
+++ b/bp2build/cc_library_static_conversion_test.go
@@ -836,6 +836,10 @@
"not-for-lib32.c",
"for-lib64.c",
],
+ "//build/bazel/platforms/arch:riscv64": [
+ "not-for-lib32.c",
+ "for-lib64.c",
+ ],
"//build/bazel/platforms/arch:x86": [
"not-for-lib64.c",
"for-lib32.c",
@@ -867,6 +871,7 @@
"for-lib64.c": "",
"not-for-arm.c": "",
"not-for-arm64.c": "",
+ "not-for-riscv64.c": "",
"not-for-x86.c": "",
"not-for-x86_64.c": "",
"not-for-lib32.c": "",
@@ -881,6 +886,7 @@
arch: {
arm: { srcs: ["for-arm.c"], exclude_srcs: ["not-for-arm.c"] },
arm64: { srcs: ["for-arm64.c"], exclude_srcs: ["not-for-arm64.c"] },
+ riscv64: { srcs: ["for-riscv64.c"], exclude_srcs: ["not-for-riscv64.c"] },
x86: { srcs: ["for-x86.c"], exclude_srcs: ["not-for-x86.c"] },
x86_64: { srcs: ["for-x86_64.c"], exclude_srcs: ["not-for-x86_64.c"] },
},
@@ -896,6 +902,7 @@
"//build/bazel/platforms/arch:arm": [
"not-for-arm64.c",
"not-for-lib64.c",
+ "not-for-riscv64.c",
"not-for-x86.c",
"not-for-x86_64.c",
"for-arm.c",
@@ -904,15 +911,26 @@
"//build/bazel/platforms/arch:arm64": [
"not-for-arm.c",
"not-for-lib32.c",
+ "not-for-riscv64.c",
"not-for-x86.c",
"not-for-x86_64.c",
"for-arm64.c",
"for-lib64.c",
],
+ "//build/bazel/platforms/arch:riscv64": [
+ "not-for-arm.c",
+ "not-for-arm64.c",
+ "not-for-lib32.c",
+ "not-for-x86.c",
+ "not-for-x86_64.c",
+ "for-riscv64.c",
+ "for-lib64.c",
+ ],
"//build/bazel/platforms/arch:x86": [
"not-for-arm.c",
"not-for-arm64.c",
"not-for-lib64.c",
+ "not-for-riscv64.c",
"not-for-x86_64.c",
"for-x86.c",
"for-lib32.c",
@@ -921,6 +939,7 @@
"not-for-arm.c",
"not-for-arm64.c",
"not-for-lib32.c",
+ "not-for-riscv64.c",
"not-for-x86.c",
"for-x86_64.c",
"for-lib64.c",
@@ -930,6 +949,7 @@
"not-for-arm64.c",
"not-for-lib32.c",
"not-for-lib64.c",
+ "not-for-riscv64.c",
"not-for-x86.c",
"not-for-x86_64.c",
],
diff --git a/cc/config/Android.bp b/cc/config/Android.bp
index 64a121e..fdc94ad 100644
--- a/cc/config/Android.bp
+++ b/cc/config/Android.bp
@@ -21,6 +21,7 @@
"arm_device.go",
"arm64_device.go",
+ "riscv64_device.go",
"x86_device.go",
"x86_64_device.go",
diff --git a/cc/config/riscv64_device.go b/cc/config/riscv64_device.go
new file mode 100644
index 0000000..d8918f1
--- /dev/null
+++ b/cc/config/riscv64_device.go
@@ -0,0 +1,140 @@
+// Copyright 2022 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 (
+ "fmt"
+ "strings"
+
+ "android/soong/android"
+)
+
+var (
+ riscv64Cflags = []string{
+ // Help catch common 32/64-bit errors.
+ "-Werror=implicit-function-declaration",
+ }
+
+ riscv64ArchVariantCflags = map[string][]string{}
+
+ riscv64Ldflags = []string{
+ "-Wl,--hash-style=gnu",
+ "-Wl,-z,separate-code",
+ }
+
+ riscv64Lldflags = append(riscv64Ldflags,
+ "-Wl,-z,max-page-size=4096")
+
+ riscv64Cppflags = []string{}
+
+ riscv64CpuVariantCflags = map[string][]string{}
+)
+
+const ()
+
+func init() {
+
+ exportedVars.ExportStringListStaticVariable("Riscv64Ldflags", riscv64Ldflags)
+ exportedVars.ExportStringListStaticVariable("Riscv64Lldflags", riscv64Lldflags)
+
+ exportedVars.ExportStringListStaticVariable("Riscv64Cflags", riscv64Cflags)
+ exportedVars.ExportStringListStaticVariable("Riscv64Cppflags", riscv64Cppflags)
+
+ exportedVars.ExportVariableReferenceDict("Riscv64ArchVariantCflags", riscv64ArchVariantCflagsVar)
+ exportedVars.ExportVariableReferenceDict("Riscv64CpuVariantCflags", riscv64CpuVariantCflagsVar)
+ exportedVars.ExportVariableReferenceDict("Riscv64CpuVariantLdflags", riscv64CpuVariantLdflags)
+}
+
+var (
+ riscv64ArchVariantCflagsVar = map[string]string{}
+
+ riscv64CpuVariantCflagsVar = map[string]string{}
+
+ riscv64CpuVariantLdflags = map[string]string{}
+)
+
+type toolchainRiscv64 struct {
+ toolchainBionic
+ toolchain64Bit
+
+ ldflags string
+ lldflags string
+ toolchainCflags string
+}
+
+func (t *toolchainRiscv64) Name() string {
+ return "riscv64"
+}
+
+func (t *toolchainRiscv64) IncludeFlags() string {
+ return ""
+}
+
+func (t *toolchainRiscv64) ClangTriple() string {
+ return "riscv64-linux-android"
+}
+
+func (t *toolchainRiscv64) Cflags() string {
+ return "${config.Riscv64Cflags}"
+}
+
+func (t *toolchainRiscv64) Cppflags() string {
+ return "${config.Riscv64Cppflags}"
+}
+
+func (t *toolchainRiscv64) Ldflags() string {
+ return t.ldflags
+}
+
+func (t *toolchainRiscv64) Lldflags() string {
+ return t.lldflags
+}
+
+func (t *toolchainRiscv64) ToolchainCflags() string {
+ return t.toolchainCflags
+}
+
+func (toolchainRiscv64) LibclangRuntimeLibraryArch() string {
+ return "riscv64"
+}
+
+func riscv64ToolchainFactory(arch android.Arch) Toolchain {
+ switch arch.ArchVariant {
+ case "":
+ default:
+ panic(fmt.Sprintf("Unknown Riscv64 architecture version: %q", arch.ArchVariant))
+ }
+
+ toolchainCflags := []string{riscv64ArchVariantCflagsVar[arch.ArchVariant]}
+ toolchainCflags = append(toolchainCflags,
+ variantOrDefault(riscv64CpuVariantCflagsVar, arch.CpuVariant))
+
+ extraLdflags := variantOrDefault(riscv64CpuVariantLdflags, arch.CpuVariant)
+ return &toolchainRiscv64{
+ ldflags: strings.Join([]string{
+ "${config.Riscv64Ldflags}",
+ extraLdflags,
+ }, " "),
+ lldflags: strings.Join([]string{
+ "${config.Riscv64Lldflags}",
+ extraLdflags,
+ }, " "),
+ toolchainCflags: strings.Join(toolchainCflags, " "),
+ }
+}
+
+func init() {
+ registerToolchainFactory(android.Android, android.Riscv64, riscv64ToolchainFactory)
+}
diff --git a/rust/config/Android.bp b/rust/config/Android.bp
index be73d69..79ea7a1 100644
--- a/rust/config/Android.bp
+++ b/rust/config/Android.bp
@@ -15,6 +15,7 @@
"arm64_device.go",
"global.go",
"lints.go",
+ "riscv64_device.go",
"toolchain.go",
"darwin_host.go",
"x86_linux_bionic_host.go",
diff --git a/rust/config/riscv64_device.go b/rust/config/riscv64_device.go
new file mode 100644
index 0000000..3b41a10
--- /dev/null
+++ b/rust/config/riscv64_device.go
@@ -0,0 +1,91 @@
+// Copyright 2022 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.
+
+package config
+
+import (
+ "strings"
+
+ "android/soong/android"
+)
+
+var (
+ Riscv64RustFlags = []string{}
+ Riscv64ArchFeatureRustFlags = map[string][]string{"": {}}
+ Riscv64LinkFlags = []string{}
+
+ Riscv64ArchVariantRustFlags = map[string][]string{}
+)
+
+func init() {
+ registerToolchainFactory(android.Android, android.Riscv64, Riscv64ToolchainFactory)
+
+ pctx.StaticVariable("Riscv64ToolchainRustFlags", strings.Join(Riscv64RustFlags, " "))
+ pctx.StaticVariable("Riscv64ToolchainLinkFlags", strings.Join(Riscv64LinkFlags, " "))
+
+ for variant, rustFlags := range Riscv64ArchVariantRustFlags {
+ pctx.StaticVariable("Riscv64"+variant+"VariantRustFlags",
+ strings.Join(rustFlags, " "))
+ }
+
+}
+
+type toolchainRiscv64 struct {
+ toolchain64Bit
+ toolchainRustFlags string
+}
+
+func (t *toolchainRiscv64) RustTriple() string {
+ return "riscv64-linux-android"
+}
+
+func (t *toolchainRiscv64) ToolchainLinkFlags() string {
+ // Prepend the lld flags from cc_config so we stay in sync with cc
+ return "${config.DeviceGlobalLinkFlags} ${cc_config.Riscv64Lldflags} ${config.Riscv64ToolchainLinkFlags}"
+}
+
+func (t *toolchainRiscv64) ToolchainRustFlags() string {
+ return t.toolchainRustFlags
+}
+
+func (t *toolchainRiscv64) RustFlags() string {
+ return "${config.Riscv64ToolchainRustFlags}"
+}
+
+func (t *toolchainRiscv64) Supported() bool {
+ return true
+}
+
+func (toolchainRiscv64) LibclangRuntimeLibraryArch() string {
+ return "riscv64"
+}
+
+func Riscv64ToolchainFactory(arch android.Arch) Toolchain {
+ archVariant := arch.ArchVariant
+
+ toolchainRustFlags := []string{
+ "${config.Riscv64ToolchainRustFlags}",
+ "${config.Riscv64" + archVariant + "VariantRustFlags}",
+ }
+
+ toolchainRustFlags = append(toolchainRustFlags, deviceGlobalRustFlags...)
+
+ for _, feature := range arch.ArchFeatures {
+ toolchainRustFlags = append(toolchainRustFlags, Riscv64ArchFeatureRustFlags[feature]...)
+ }
+
+ return &toolchainRiscv64{
+ toolchainRustFlags: strings.Join(toolchainRustFlags, " "),
+ }
+}