1// Copyright 2019 The Android Open Source Project
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15package config
16
17import (
18	"strings"
19
20	"android/soong/android"
21)
22
23var (
24	x86_64RustFlags            = []string{}
25	x86_64ArchFeatureRustFlags = map[string][]string{}
26	x86_64LinkFlags            = []string{}
27
28	x86_64ArchVariantRustFlags = map[string][]string{
29		"":            []string{},
30		"broadwell":   []string{"-C target-cpu=broadwell"},
31		"haswell":     []string{"-C target-cpu=haswell"},
32		"ivybridge":   []string{"-C target-cpu=ivybridge"},
33		"sandybridge": []string{"-C target-cpu=sandybridge"},
34		"silvermont":  []string{"-C target-cpu=silvermont"},
35		"skylake":     []string{"-C target-cpu=skylake"},
36		//TODO: Add target-cpu=stoneyridge when rustc supports it.
37		"stoneyridge": []string{""},
38	}
39)
40
41func init() {
42	registerToolchainFactory(android.Android, android.X86_64, x86_64ToolchainFactory)
43
44	pctx.StaticVariable("X86_64ToolchainRustFlags", strings.Join(x86_64RustFlags, " "))
45	pctx.StaticVariable("X86_64ToolchainLinkFlags", strings.Join(x86_64LinkFlags, " "))
46
47	for variant, rustFlags := range x86_64ArchVariantRustFlags {
48		pctx.StaticVariable("X86_64"+variant+"VariantRustFlags",
49			strings.Join(rustFlags, " "))
50	}
51
52}
53
54type toolchainX86_64 struct {
55	toolchain64Bit
56	toolchainRustFlags string
57}
58
59func (t *toolchainX86_64) RustTriple() string {
60	return "x86_64-linux-android"
61}
62
63func (t *toolchainX86_64) ToolchainLinkFlags() string {
64	// Prepend the lld flags from cc_config so we stay in sync with cc
65	return "${config.DeviceGlobalLinkFlags} ${cc_config.X86_64Lldflags} ${config.X86_64ToolchainLinkFlags}"
66}
67
68func (t *toolchainX86_64) ToolchainRustFlags() string {
69	return t.toolchainRustFlags
70}
71
72func (t *toolchainX86_64) RustFlags() string {
73	return "${config.X86_64ToolchainRustFlags}"
74}
75
76func (t *toolchainX86_64) Supported() bool {
77	return true
78}
79
80func (toolchainX86_64) LibclangRuntimeLibraryArch() string {
81	return "x86_64"
82}
83
84func x86_64ToolchainFactory(arch android.Arch) Toolchain {
85	toolchainRustFlags := []string{
86		"${config.X86_64ToolchainRustFlags}",
87		"${config.X86_64" + arch.ArchVariant + "VariantRustFlags}",
88	}
89
90	toolchainRustFlags = append(toolchainRustFlags, deviceGlobalRustFlags...)
91
92	for _, feature := range arch.ArchFeatures {
93		toolchainRustFlags = append(toolchainRustFlags, x86_64ArchFeatureRustFlags[feature]...)
94	}
95
96	return &toolchainX86_64{
97		toolchainRustFlags: strings.Join(toolchainRustFlags, " "),
98	}
99}
100