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	x86RustFlags            = []string{}
25	x86ArchFeatureRustFlags = map[string][]string{}
26	x86LinkFlags            = []string{}
27
28	x86ArchVariantRustFlags = map[string][]string{
29		"":            []string{},
30		"atom":        []string{"-C target-cpu=atom"},
31		"broadwell":   []string{"-C target-cpu=broadwell"},
32		"haswell":     []string{"-C target-cpu=haswell"},
33		"ivybridge":   []string{"-C target-cpu=ivybridge"},
34		"sandybridge": []string{"-C target-cpu=sandybridge"},
35		"silvermont":  []string{"-C target-cpu=silvermont"},
36		"skylake":     []string{"-C target-cpu=skylake"},
37		//TODO: Add target-cpu=stoneyridge when rustc supports it.
38		"stoneyridge": []string{""},
39		// use prescott for x86_64, like cc/config/x86_device.go
40		"x86_64": []string{"-C target-cpu=prescott"},
41	}
42)
43
44func init() {
45	registerToolchainFactory(android.Android, android.X86, x86ToolchainFactory)
46
47	pctx.StaticVariable("X86ToolchainRustFlags", strings.Join(x86RustFlags, " "))
48	pctx.StaticVariable("X86ToolchainLinkFlags", strings.Join(x86LinkFlags, " "))
49
50	for variant, rustFlags := range x86ArchVariantRustFlags {
51		pctx.StaticVariable("X86"+variant+"VariantRustFlags",
52			strings.Join(rustFlags, " "))
53	}
54
55}
56
57type toolchainX86 struct {
58	toolchain32Bit
59	toolchainRustFlags string
60}
61
62func (t *toolchainX86) RustTriple() string {
63	return "i686-linux-android"
64}
65
66func (t *toolchainX86) ToolchainLinkFlags() string {
67	// Prepend the lld flags from cc_config so we stay in sync with cc
68	return "${config.DeviceGlobalLinkFlags} ${cc_config.X86ClangLldflags} ${config.X86ToolchainLinkFlags}"
69}
70
71func (t *toolchainX86) ToolchainRustFlags() string {
72	return t.toolchainRustFlags
73}
74
75func (t *toolchainX86) RustFlags() string {
76	return "${config.X86ToolchainRustFlags}"
77}
78
79func (t *toolchainX86) Supported() bool {
80	return true
81}
82
83func (toolchainX86) LibclangRuntimeLibraryArch() string {
84	return "i686"
85}
86
87func x86ToolchainFactory(arch android.Arch) Toolchain {
88	toolchainRustFlags := []string{
89		"${config.X86ToolchainRustFlags}",
90		"${config.X86" + arch.ArchVariant + "VariantRustFlags}",
91	}
92
93	toolchainRustFlags = append(toolchainRustFlags, deviceGlobalRustFlags...)
94
95	for _, feature := range arch.ArchFeatures {
96		toolchainRustFlags = append(toolchainRustFlags, x86ArchFeatureRustFlags[feature]...)
97	}
98
99	return &toolchainX86{
100		toolchainRustFlags: strings.Join(toolchainRustFlags, " "),
101	}
102}
103