aboutsummaryrefslogtreecommitdiffstats
path: root/cc/config/x86_linux_host.go
blob: f072f348a2090beb5f24a1f59130930928c93ec3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
// Copyright 2016 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 (
	"strings"

	"android/soong/android"
)

var (
	linuxCflags = []string{
		"-fdiagnostics-color",

		"-Wa,--noexecstack",

		"-fPIC",

		"-U_FORTIFY_SOURCE",
		"-D_FORTIFY_SOURCE=2",
		"-fstack-protector",

		// Workaround differences in inttypes.h between host and target.
		//See bug 12708004.
		"-D__STDC_FORMAT_MACROS",
		"-D__STDC_CONSTANT_MACROS",
	}

	linuxLdflags = []string{
		"-Wl,-z,noexecstack",
		"-Wl,-z,relro",
		"-Wl,-z,now",
		"-Wl,--no-undefined-version",
	}

	// Extended cflags
	linuxX86Cflags = []string{
		"-msse3",
		"-mfpmath=sse",
		"-m32",
		"-march=prescott",
		"-D_FILE_OFFSET_BITS=64",
		"-D_LARGEFILE_SOURCE=1",
	}

	linuxX8664Cflags = []string{
		"-m64",
	}

	linuxX86Ldflags = []string{
		"-m32",
	}

	linuxX8664Ldflags = []string{
		"-m64",
	}

	linuxClangCflags = append(ClangFilterUnknownCflags(linuxCflags), []string{
		"--gcc-toolchain=${LinuxGccRoot}",
		"--sysroot ${LinuxGccRoot}/sysroot",
		"-fstack-protector-strong",
	}...)

	linuxClangLdflags = append(ClangFilterUnknownCflags(linuxLdflags), []string{
		"--gcc-toolchain=${LinuxGccRoot}",
		"--sysroot ${LinuxGccRoot}/sysroot",
	}...)

	linuxClangLldflags = ClangFilterUnknownLldflags(linuxClangLdflags)

	linuxX86ClangLdflags = append(ClangFilterUnknownCflags(linuxX86Ldflags), []string{
		"-B${LinuxGccRoot}/lib/gcc/${LinuxGccTriple}/${LinuxGccVersion}/32",
		"-L${LinuxGccRoot}/lib/gcc/${LinuxGccTriple}/${LinuxGccVersion}/32",
		"-L${LinuxGccRoot}/${LinuxGccTriple}/lib32",
	}...)

	linuxX86ClangLldflags = ClangFilterUnknownLldflags(linuxX86ClangLdflags)

	linuxX8664ClangLdflags = append(ClangFilterUnknownCflags(linuxX8664Ldflags), []string{
		"-B${LinuxGccRoot}/lib/gcc/${LinuxGccTriple}/${LinuxGccVersion}",
		"-L${LinuxGccRoot}/lib/gcc/${LinuxGccTriple}/${LinuxGccVersion}",
		"-L${LinuxGccRoot}/${LinuxGccTriple}/lib64",
	}...)

	linuxX8664ClangLldflags = ClangFilterUnknownLldflags(linuxX8664ClangLdflags)

	linuxAvailableLibraries = addPrefix([]string{
		"c",
		"dl",
		"gcc",
		"gcc_s",
		"m",
		"ncurses",
		"pthread",
		"resolv",
		"rt",
		"util",
	}, "-l")
)

const (
	linuxGccVersion   = "4.8.3"
	linuxGlibcVersion = "2.17"
)

func init() {
	pctx.StaticVariable("LinuxGccVersion", linuxGccVersion)
	pctx.StaticVariable("LinuxGlibcVersion", linuxGlibcVersion)
	// Most places use the full GCC version. A few only use up to the first two numbers.
	if p := strings.Split(linuxGccVersion, "."); len(p) > 2 {
		pctx.StaticVariable("ShortLinuxGccVersion", strings.Join(p[:2], "."))
	} else {
		pctx.StaticVariable("ShortLinuxGccVersion", linuxGccVersion)
	}

	pctx.SourcePathVariable("LinuxGccRoot",
		"prebuilts/gcc/${HostPrebuiltTag}/host/x86_64-linux-glibc${LinuxGlibcVersion}-${ShortLinuxGccVersion}")

	pctx.StaticVariable("LinuxGccTriple", "x86_64-linux")

	pctx.StaticVariable("LinuxClangCflags", strings.Join(linuxClangCflags, " "))
	pctx.StaticVariable("LinuxClangLdflags", strings.Join(linuxClangLdflags, " "))
	pctx.StaticVariable("LinuxClangLldflags", strings.Join(linuxClangLldflags, " "))

	pctx.StaticVariable("LinuxX86ClangCflags",
		strings.Join(ClangFilterUnknownCflags(linuxX86Cflags), " "))
	pctx.StaticVariable("LinuxX8664ClangCflags",
		strings.Join(ClangFilterUnknownCflags(linuxX8664Cflags), " "))
	pctx.StaticVariable("LinuxX86ClangLdflags", strings.Join(linuxX86ClangLdflags, " "))
	pctx.StaticVariable("LinuxX86ClangLldflags", strings.Join(linuxX86ClangLldflags, " "))
	pctx.StaticVariable("LinuxX8664ClangLdflags", strings.Join(linuxX8664ClangLdflags, " "))
	pctx.StaticVariable("LinuxX8664ClangLldflags", strings.Join(linuxX8664ClangLldflags, " "))
	// Yasm flags
	pctx.StaticVariable("LinuxX86YasmFlags", "-f elf32 -m x86")
	pctx.StaticVariable("LinuxX8664YasmFlags", "-f elf64 -m amd64")
}

type toolchainLinux struct {
	cFlags, ldFlags string
}

type toolchainLinuxX86 struct {
	toolchain32Bit
	toolchainLinux
}

type toolchainLinuxX8664 struct {
	toolchain64Bit
	toolchainLinux
}

func (t *toolchainLinuxX86) Name() string {
	return "x86"
}

func (t *toolchainLinuxX8664) Name() string {
	return "x86_64"
}

func (t *toolchainLinux) GccRoot() string {
	return "${config.LinuxGccRoot}"
}

func (t *toolchainLinux) GccTriple() string {
	return "${config.LinuxGccTriple}"
}

func (t *toolchainLinux) GccVersion() string {
	return linuxGccVersion
}

func (t *toolchainLinux) IncludeFlags() string {
	return ""
}

func (t *toolchainLinuxX86) ClangTriple() string {
	return "i686-linux-gnu"
}

func (t *toolchainLinuxX86) ClangCflags() string {
	return "${config.LinuxClangCflags} ${config.LinuxX86ClangCflags}"
}

func (t *toolchainLinuxX86) ClangCppflags() string {
	return ""
}

func (t *toolchainLinuxX8664) ClangTriple() string {
	return "x86_64-linux-gnu"
}

func (t *toolchainLinuxX8664) ClangCflags() string {
	return "${config.LinuxClangCflags} ${config.LinuxX8664ClangCflags}"
}

func (t *toolchainLinuxX8664) ClangCppflags() string {
	return ""
}

func (t *toolchainLinuxX86) ClangLdflags() string {
	return "${config.LinuxClangLdflags} ${config.LinuxX86ClangLdflags}"
}

func (t *toolchainLinuxX86) ClangLldflags() string {
	return "${config.LinuxClangLldflags} ${config.LinuxX86ClangLldflags}"
}

func (t *toolchainLinuxX8664) ClangLdflags() string {
	return "${config.LinuxClangLdflags} ${config.LinuxX8664ClangLdflags}"
}

func (t *toolchainLinuxX8664) ClangLldflags() string {
	return "${config.LinuxClangLldflags} ${config.LinuxX8664ClangLldflags}"
}

func (t *toolchainLinuxX86) YasmFlags() string {
	return "${config.LinuxX86YasmFlags}"
}

func (t *toolchainLinuxX8664) YasmFlags() string {
	return "${config.LinuxX8664YasmFlags}"
}

func (t *toolchainLinux) AvailableLibraries() []string {
	return linuxAvailableLibraries
}

func (t *toolchainLinux) Bionic() bool {
	return false
}

var toolchainLinuxX86Singleton Toolchain = &toolchainLinuxX86{}
var toolchainLinuxX8664Singleton Toolchain = &toolchainLinuxX8664{}

func linuxX86ToolchainFactory(arch android.Arch) Toolchain {
	return toolchainLinuxX86Singleton
}

func linuxX8664ToolchainFactory(arch android.Arch) Toolchain {
	return toolchainLinuxX8664Singleton
}

func init() {
	registerToolchainFactory(android.Linux, android.X86, linuxX86ToolchainFactory)
	registerToolchainFactory(android.Linux, android.X86_64, linuxX8664ToolchainFactory)
}