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Colin Cross023f1e82015-11-23 16:15:10 -08001// Copyright 2015 Google Inc. All rights reserved.
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 cc
16
17import (
18 "strings"
19
Colin Cross635c3b02016-05-18 15:37:25 -070020 "android/soong/android"
Colin Cross023f1e82015-11-23 16:15:10 -080021)
22
23var (
24 mipsCflags = []string{
25 "-fno-exceptions", // from build/core/combo/select.mk
26 "-Wno-multichar", // from build/core/combo/select.mk
27 "-O2",
28 "-fomit-frame-pointer",
29 "-fno-strict-aliasing",
30 "-funswitch-loops",
31 "-U__unix",
32 "-U__unix__",
33 "-Umips",
34 "-ffunction-sections",
35 "-fdata-sections",
36 "-funwind-tables",
Dan Willemsen7a0f8482016-01-12 16:22:40 -080037 "-fstack-protector-strong",
Colin Cross023f1e82015-11-23 16:15:10 -080038 "-Wa,--noexecstack",
39 "-Werror=format-security",
40 "-D_FORTIFY_SOURCE=2",
41 "-no-canonical-prefixes",
42 "-fno-canonical-system-headers",
43
44 // TARGET_RELEASE_CFLAGS
45 "-DNDEBUG",
46 "-g",
47 "-Wstrict-aliasing=2",
48 "-fgcse-after-reload",
49 "-frerun-cse-after-loop",
50 "-frename-registers",
51 }
52
Dan Willemsenc785ff32016-05-09 13:34:35 -070053 mipsClangCflags = append(mipsCflags, []string{
54 "-fPIC",
Pirama Arumuga Nainar58e2dcd2016-06-29 17:09:30 -070055 "-fno-integrated-as",
Dan Willemsenc785ff32016-05-09 13:34:35 -070056 }...)
57
Colin Cross023f1e82015-11-23 16:15:10 -080058 mipsCppflags = []string{
59 "-fvisibility-inlines-hidden",
60 }
61
62 mipsLdflags = []string{
63 "-Wl,-z,noexecstack",
64 "-Wl,-z,relro",
65 "-Wl,-z,now",
66 "-Wl,--build-id=md5",
67 "-Wl,--warn-shared-textrel",
68 "-Wl,--fatal-warnings",
69 "-Wl,--allow-shlib-undefined",
Dan Willemsenc7e45972015-12-09 13:05:28 -080070 "-Wl,--no-undefined-version",
Colin Cross023f1e82015-11-23 16:15:10 -080071 }
72
73 mipsToolchainLdflags = []string{
74 "-Wl,-melf32ltsmip",
75 }
76
77 mipsArchVariantCflags = map[string][]string{
78 "mips32-fp": []string{
79 "-mips32",
80 "-mfp32",
81 "-modd-spreg",
82 "-mno-synci",
83 },
84 "mips32r2-fp": []string{
85 "-mips32r2",
86 "-mfp32",
87 "-modd-spreg",
Dan Willemsenc785ff32016-05-09 13:34:35 -070088 "-msynci",
Colin Cross023f1e82015-11-23 16:15:10 -080089 },
90 "mips32r2-fp-xburst": []string{
91 "-mips32r2",
92 "-mfp32",
93 "-modd-spreg",
94 "-mno-fused-madd",
95 "-Wa,-mmxu",
96 "-mno-synci",
97 },
98 "mips32r2dsp-fp": []string{
99 "-mips32r2",
100 "-mfp32",
101 "-modd-spreg",
102 "-mdsp",
103 "-msynci",
104 },
105 "mips32r2dspr2-fp": []string{
106 "-mips32r2",
107 "-mfp32",
108 "-modd-spreg",
109 "-mdspr2",
110 "-msynci",
111 },
112 "mips32r6": []string{
113 "-mips32r6",
114 "-mfp64",
115 "-mno-odd-spreg",
116 "-msynci",
117 },
118 }
119)
120
Dan Willemsen34fc3b12015-12-07 12:30:44 -0800121const (
122 mipsGccVersion = "4.9"
123)
124
Colin Cross023f1e82015-11-23 16:15:10 -0800125func init() {
Colin Cross635c3b02016-05-18 15:37:25 -0700126 android.RegisterArchFeatures(android.Mips, "mips32r6",
Colin Cross023f1e82015-11-23 16:15:10 -0800127 "rev6")
128
Dan Willemsen34fc3b12015-12-07 12:30:44 -0800129 pctx.StaticVariable("mipsGccVersion", mipsGccVersion)
Colin Cross023f1e82015-11-23 16:15:10 -0800130
Dan Willemsen34cc69e2015-09-23 15:26:20 -0700131 pctx.SourcePathVariable("mipsGccRoot",
Dan Willemsen34fc3b12015-12-07 12:30:44 -0800132 "prebuilts/gcc/${HostPrebuiltTag}/mips/mips64el-linux-android-${mipsGccVersion}")
Colin Cross023f1e82015-11-23 16:15:10 -0800133
134 pctx.StaticVariable("mipsGccTriple", "mips64el-linux-android")
135
136 pctx.StaticVariable("mipsToolchainLdflags", strings.Join(mipsToolchainLdflags, " "))
137 pctx.StaticVariable("mipsCflags", strings.Join(mipsCflags, " "))
138 pctx.StaticVariable("mipsLdflags", strings.Join(mipsLdflags, " "))
139 pctx.StaticVariable("mipsCppflags", strings.Join(mipsCppflags, " "))
140 pctx.StaticVariable("mipsIncludeFlags", strings.Join([]string{
141 "-isystem ${LibcRoot}/arch-mips/include",
142 "-isystem ${LibcRoot}/include",
143 "-isystem ${LibcRoot}/kernel/uapi",
Dan Willemsena2abfd62016-05-18 14:32:32 -0700144 "-isystem ${LibcRoot}/kernel/common",
Colin Cross023f1e82015-11-23 16:15:10 -0800145 "-isystem ${LibcRoot}/kernel/uapi/asm-mips",
Colin Cross023f1e82015-11-23 16:15:10 -0800146 }, " "))
147
148 // Clang cflags
149 pctx.StaticVariable("mipsClangTriple", "mipsel-linux-android")
Dan Willemsenc785ff32016-05-09 13:34:35 -0700150 pctx.StaticVariable("mipsClangCflags", strings.Join(clangFilterUnknownCflags(mipsClangCflags), " "))
Colin Cross023f1e82015-11-23 16:15:10 -0800151 pctx.StaticVariable("mipsClangLdflags", strings.Join(clangFilterUnknownCflags(mipsLdflags), " "))
152 pctx.StaticVariable("mipsClangCppflags", strings.Join(clangFilterUnknownCflags(mipsCppflags), " "))
153
154 // Extended cflags
155
156 // Architecture variant cflags
157 for variant, cflags := range mipsArchVariantCflags {
158 pctx.StaticVariable("mips"+variant+"VariantCflags", strings.Join(cflags, " "))
159 pctx.StaticVariable("mips"+variant+"VariantClangCflags",
160 strings.Join(clangFilterUnknownCflags(cflags), " "))
161 }
162}
163
164type toolchainMips struct {
165 toolchain32Bit
166 cflags, clangCflags string
167 toolchainCflags, toolchainClangCflags string
168}
169
170func (t *toolchainMips) Name() string {
171 return "mips"
172}
173
174func (t *toolchainMips) GccRoot() string {
175 return "${mipsGccRoot}"
176}
177
178func (t *toolchainMips) GccTriple() string {
179 return "${mipsGccTriple}"
180}
181
182func (t *toolchainMips) GccVersion() string {
Dan Willemsen34fc3b12015-12-07 12:30:44 -0800183 return mipsGccVersion
Colin Cross023f1e82015-11-23 16:15:10 -0800184}
185
186func (t *toolchainMips) ToolchainLdflags() string {
187 return "${mipsToolchainLdflags}"
188}
189
190func (t *toolchainMips) ToolchainCflags() string {
191 return t.toolchainCflags
192}
193
194func (t *toolchainMips) Cflags() string {
195 return t.cflags
196}
197
198func (t *toolchainMips) Cppflags() string {
199 return "${mipsCppflags}"
200}
201
202func (t *toolchainMips) Ldflags() string {
203 return "${mipsLdflags}"
204}
205
206func (t *toolchainMips) IncludeFlags() string {
207 return "${mipsIncludeFlags}"
208}
209
210func (t *toolchainMips) ClangTriple() string {
211 return "${mipsClangTriple}"
212}
213
Dan Willemsenc785ff32016-05-09 13:34:35 -0700214func (t *toolchainMips) ToolchainClangLdflags() string {
215 return "${mipsToolchainLdflags}"
216}
217
Colin Cross023f1e82015-11-23 16:15:10 -0800218func (t *toolchainMips) ToolchainClangCflags() string {
219 return t.toolchainClangCflags
220}
221
Dan Willemsen32968a22016-01-12 22:25:34 -0800222func (t *toolchainMips) ClangAsflags() string {
Pirama Arumuga Nainar58e2dcd2016-06-29 17:09:30 -0700223 return "-fPIC -fno-integrated-as"
Dan Willemsen32968a22016-01-12 22:25:34 -0800224}
225
Colin Cross023f1e82015-11-23 16:15:10 -0800226func (t *toolchainMips) ClangCflags() string {
227 return t.clangCflags
228}
229
230func (t *toolchainMips) ClangCppflags() string {
231 return "${mipsClangCppflags}"
232}
233
234func (t *toolchainMips) ClangLdflags() string {
235 return "${mipsClangLdflags}"
236}
237
Colin Crossd87145f2016-05-19 22:43:46 -0700238func (toolchainMips) AddressSanitizerRuntimeLibrary() string {
239 return "libclang_rt.asan-mips-android.so"
240}
241
Colin Cross635c3b02016-05-18 15:37:25 -0700242func mipsToolchainFactory(arch android.Arch) Toolchain {
Colin Cross023f1e82015-11-23 16:15:10 -0800243 return &toolchainMips{
244 cflags: "${mipsCflags}",
245 clangCflags: "${mipsClangCflags}",
246 toolchainCflags: "${mips" + arch.ArchVariant + "VariantCflags}",
247 toolchainClangCflags: "${mips" + arch.ArchVariant + "VariantClangCflags}",
248 }
249}
250
251func init() {
Colin Crossa1ad8d12016-06-01 17:09:44 -0700252 registerToolchainFactory(android.Android, android.Mips, mipsToolchainFactory)
Colin Cross023f1e82015-11-23 16:15:10 -0800253}