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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",
55 }...)
56
Colin Cross023f1e82015-11-23 16:15:10 -080057 mipsCppflags = []string{
58 "-fvisibility-inlines-hidden",
59 }
60
61 mipsLdflags = []string{
62 "-Wl,-z,noexecstack",
63 "-Wl,-z,relro",
64 "-Wl,-z,now",
65 "-Wl,--build-id=md5",
66 "-Wl,--warn-shared-textrel",
67 "-Wl,--fatal-warnings",
68 "-Wl,--allow-shlib-undefined",
Dan Willemsenc7e45972015-12-09 13:05:28 -080069 "-Wl,--no-undefined-version",
Colin Cross023f1e82015-11-23 16:15:10 -080070 }
71
72 mipsToolchainLdflags = []string{
73 "-Wl,-melf32ltsmip",
74 }
75
76 mipsArchVariantCflags = map[string][]string{
77 "mips32-fp": []string{
78 "-mips32",
79 "-mfp32",
80 "-modd-spreg",
81 "-mno-synci",
82 },
83 "mips32r2-fp": []string{
84 "-mips32r2",
85 "-mfp32",
86 "-modd-spreg",
Dan Willemsenc785ff32016-05-09 13:34:35 -070087 "-msynci",
Colin Cross023f1e82015-11-23 16:15:10 -080088 },
89 "mips32r2-fp-xburst": []string{
90 "-mips32r2",
91 "-mfp32",
92 "-modd-spreg",
93 "-mno-fused-madd",
94 "-Wa,-mmxu",
95 "-mno-synci",
96 },
97 "mips32r2dsp-fp": []string{
98 "-mips32r2",
99 "-mfp32",
100 "-modd-spreg",
101 "-mdsp",
102 "-msynci",
103 },
104 "mips32r2dspr2-fp": []string{
105 "-mips32r2",
106 "-mfp32",
107 "-modd-spreg",
108 "-mdspr2",
109 "-msynci",
110 },
111 "mips32r6": []string{
112 "-mips32r6",
113 "-mfp64",
114 "-mno-odd-spreg",
115 "-msynci",
116 },
117 }
118)
119
Dan Willemsen34fc3b12015-12-07 12:30:44 -0800120const (
121 mipsGccVersion = "4.9"
122)
123
Colin Cross023f1e82015-11-23 16:15:10 -0800124func init() {
Colin Cross635c3b02016-05-18 15:37:25 -0700125 android.RegisterArchFeatures(android.Mips, "mips32r6",
Colin Cross023f1e82015-11-23 16:15:10 -0800126 "rev6")
127
Dan Willemsen34fc3b12015-12-07 12:30:44 -0800128 pctx.StaticVariable("mipsGccVersion", mipsGccVersion)
Colin Cross023f1e82015-11-23 16:15:10 -0800129
Dan Willemsen34cc69e2015-09-23 15:26:20 -0700130 pctx.SourcePathVariable("mipsGccRoot",
Dan Willemsen34fc3b12015-12-07 12:30:44 -0800131 "prebuilts/gcc/${HostPrebuiltTag}/mips/mips64el-linux-android-${mipsGccVersion}")
Colin Cross023f1e82015-11-23 16:15:10 -0800132
133 pctx.StaticVariable("mipsGccTriple", "mips64el-linux-android")
134
135 pctx.StaticVariable("mipsToolchainLdflags", strings.Join(mipsToolchainLdflags, " "))
136 pctx.StaticVariable("mipsCflags", strings.Join(mipsCflags, " "))
137 pctx.StaticVariable("mipsLdflags", strings.Join(mipsLdflags, " "))
138 pctx.StaticVariable("mipsCppflags", strings.Join(mipsCppflags, " "))
139 pctx.StaticVariable("mipsIncludeFlags", strings.Join([]string{
140 "-isystem ${LibcRoot}/arch-mips/include",
141 "-isystem ${LibcRoot}/include",
142 "-isystem ${LibcRoot}/kernel/uapi",
143 "-isystem ${LibcRoot}/kernel/uapi/asm-mips",
Colin Cross023f1e82015-11-23 16:15:10 -0800144 }, " "))
145
146 // Clang cflags
147 pctx.StaticVariable("mipsClangTriple", "mipsel-linux-android")
Dan Willemsenc785ff32016-05-09 13:34:35 -0700148 pctx.StaticVariable("mipsClangCflags", strings.Join(clangFilterUnknownCflags(mipsClangCflags), " "))
Colin Cross023f1e82015-11-23 16:15:10 -0800149 pctx.StaticVariable("mipsClangLdflags", strings.Join(clangFilterUnknownCflags(mipsLdflags), " "))
150 pctx.StaticVariable("mipsClangCppflags", strings.Join(clangFilterUnknownCflags(mipsCppflags), " "))
151
152 // Extended cflags
153
154 // Architecture variant cflags
155 for variant, cflags := range mipsArchVariantCflags {
156 pctx.StaticVariable("mips"+variant+"VariantCflags", strings.Join(cflags, " "))
157 pctx.StaticVariable("mips"+variant+"VariantClangCflags",
158 strings.Join(clangFilterUnknownCflags(cflags), " "))
159 }
160}
161
162type toolchainMips struct {
163 toolchain32Bit
164 cflags, clangCflags string
165 toolchainCflags, toolchainClangCflags string
166}
167
168func (t *toolchainMips) Name() string {
169 return "mips"
170}
171
172func (t *toolchainMips) GccRoot() string {
173 return "${mipsGccRoot}"
174}
175
176func (t *toolchainMips) GccTriple() string {
177 return "${mipsGccTriple}"
178}
179
180func (t *toolchainMips) GccVersion() string {
Dan Willemsen34fc3b12015-12-07 12:30:44 -0800181 return mipsGccVersion
Colin Cross023f1e82015-11-23 16:15:10 -0800182}
183
184func (t *toolchainMips) ToolchainLdflags() string {
185 return "${mipsToolchainLdflags}"
186}
187
188func (t *toolchainMips) ToolchainCflags() string {
189 return t.toolchainCflags
190}
191
192func (t *toolchainMips) Cflags() string {
193 return t.cflags
194}
195
196func (t *toolchainMips) Cppflags() string {
197 return "${mipsCppflags}"
198}
199
200func (t *toolchainMips) Ldflags() string {
201 return "${mipsLdflags}"
202}
203
204func (t *toolchainMips) IncludeFlags() string {
205 return "${mipsIncludeFlags}"
206}
207
208func (t *toolchainMips) ClangTriple() string {
209 return "${mipsClangTriple}"
210}
211
Dan Willemsenc785ff32016-05-09 13:34:35 -0700212func (t *toolchainMips) ToolchainClangLdflags() string {
213 return "${mipsToolchainLdflags}"
214}
215
Colin Cross023f1e82015-11-23 16:15:10 -0800216func (t *toolchainMips) ToolchainClangCflags() string {
217 return t.toolchainClangCflags
218}
219
Dan Willemsen32968a22016-01-12 22:25:34 -0800220func (t *toolchainMips) ClangAsflags() string {
221 return "-fPIC"
222}
223
Colin Cross023f1e82015-11-23 16:15:10 -0800224func (t *toolchainMips) ClangCflags() string {
225 return t.clangCflags
226}
227
228func (t *toolchainMips) ClangCppflags() string {
229 return "${mipsClangCppflags}"
230}
231
232func (t *toolchainMips) ClangLdflags() string {
233 return "${mipsClangLdflags}"
234}
235
Colin Cross635c3b02016-05-18 15:37:25 -0700236func mipsToolchainFactory(arch android.Arch) Toolchain {
Colin Cross023f1e82015-11-23 16:15:10 -0800237 return &toolchainMips{
238 cflags: "${mipsCflags}",
239 clangCflags: "${mipsClangCflags}",
240 toolchainCflags: "${mips" + arch.ArchVariant + "VariantCflags}",
241 toolchainClangCflags: "${mips" + arch.ArchVariant + "VariantClangCflags}",
242 }
243}
244
245func init() {
Colin Cross635c3b02016-05-18 15:37:25 -0700246 registerDeviceToolchainFactory(android.Mips, mipsToolchainFactory)
Colin Cross023f1e82015-11-23 16:15:10 -0800247}