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// Copyright
2015 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 (
"path/filepath"
"strings"
"android/soong/android"
)
const (
windowsGccTriple = "x86_64-w64-mingw32"
windowsGccVersion = "
4.
8"
)
var (
windowsCflags = []string{
"-DUSE_MINGW",
"-DWIN32_LEAN_AND_MEAN",
"-Wno-unused-parameter",
// Workaround differences in <stdint.h> between host and target.
// Context:
http://b/12708004
"-D__STDC_CONSTANT_MACROS",
// Use C99-compliant printf functions (%zd).
"-D__USE_MINGW_ANSI_STDIO=
1",
// Admit to using >= Windows
10.
// Both #defines are needed:
https://learn.microsoft.com/en-us/cpp/porting/modifying-winver-and-win32-winnt
"-D_WIN32_WINNT=
0x0A00",
"-DWINVER=
0x0A00",
// Get
64-bit off_t and related functions.
"-D_FILE_OFFSET_BITS=
64",
// Don't adjust the layout of bitfields like msvc does.
"-mno-ms-bitfields",
"--sysroot ${WindowsGccRoot}/${WindowsGccTriple}",
// Windows flags to generate PDB
"-g",
"-gcodeview",
"-fno-omit-frame-pointer",
}
windowsIncludeFlags = []string{
"-isystem ${WindowsGccRoot}/${WindowsGccTriple}/include",
}
windowsCppflags = []string{}
windowsX86Cppflags = []string{
// Use SjLj exceptions for
32-bit. libgcc_eh implements SjLj
// exception model for
32-bit.
"-fsjlj-exceptions",
}
windowsX8664Cppflags = []string{}
windowsLdflags = []string{
"-Wl,--dynamicbase",
"-Wl,--nxcompat",
"-Wl,--Xlink=-Brepro", // Enable deterministic build
// ntdll has a broken implementation of wcstombs that causes b/
439152273.
// ucrt provides an implementation of wcstombs that is not broken,
// make sure to include ucrt before ntdll.
"-lucrt",
// Additional libraries required for generated static rustlibs
"-lssp",
"-ladvapi32",
"-lntdll",
}
windowsX86Cflags = []string{
"-m32",
}
windowsX8664Cflags = []string{
"-m64",
}
windowsAvailableLibraries = addPrefix([]string{
"bcrypt",
"dbghelp",
"gdi32",
"imagehlp",
"iphlpapi",
"netapi32",
"ntdll",
"oleaut32",
"ole32",
"opengl32",
"powrprof",
"psapi",
"pthread",
"ucrt",
"userenv",
"uuid",
"version",
"ws2_32",
"windowscodecs",
}, "-l")
)
func WindowsX86Ldflags(ctx ToolchainFlagsContext) FlagsWithDeps {
windowsGccRoot := WindowsGccRoot(ctx.Config())
depsPhony := ctx.CreateNinjaPhonyOnce("windowsX86LdFlagsDeps", []string{
filepath.Join(windowsGccRoot, windowsGccTriple, "bin", "*"),
filepath.Join(windowsGccRoot, "lib/gcc", windowsGccTriple, "
4.
8.
3", "
32", "*"),
filepath.Join(windowsGccRoot, windowsGccTriple, "lib32", "*"),
})
return FlagsWithDeps{
Flags: strings.Join([]string{
"-m32",
"-Wl,--large-address-aware",
"-L${config.WindowsGccRoot}/${config.WindowsGccTriple}/lib32",
"-static-libgcc",
"-B${config.WindowsGccRoot}/${config.WindowsGccTriple}/bin",
"-B${config.WindowsGccRoot}/lib/gcc/${config.WindowsGccTriple}/
4.
8.
3/
32",
"-L${config.WindowsGccRoot}/lib/gcc/${config.WindowsGccTriple}/
4.
8.
3/
32",
"-B${config.WindowsGccRoot}/${config.WindowsGccTriple}/lib32",
}, " "),
Deps: android.Paths{depsPhony},
}
}
func WindowsX8664Ldflags(ctx ToolchainFlagsContext) FlagsWithDeps {
windowsGccRoot := WindowsGccRoot(ctx.Config())
depsPhony := ctx.CreateNinjaPhonyOnce("windowsX8664LdFlagsDeps", []string{
filepath.Join(windowsGccRoot, windowsGccTriple, "bin", "*"),
filepath.Join(windowsGccRoot, "lib/gcc", windowsGccTriple, "
4.
8.
3", "*"),
filepath.Join(windowsGccRoot, windowsGccTriple, "lib64", "*"),
})
return FlagsWithDeps{
Flags: strings.Join([]string{
"-m64",
"-L${config.WindowsGccRoot}/${config.WindowsGccTriple}/lib64",
"-Wl,--high-entropy-va",
"-static-libgcc",
"-B${config.WindowsGccRoot}/${config.WindowsGccTriple}/bin",
"-B${config.WindowsGccRoot}/lib/gcc/${config.WindowsGccTriple}/
4.
8.
3",
"-L${config.WindowsGccRoot}/lib/gcc/${config.WindowsGccTriple}/
4.
8.
3",
"-B${config.WindowsGccRoot}/${config.WindowsGccTriple}/lib64",
}, " "),
Deps: android.Paths{depsPhony},
}
}
func init() {
pctx.StaticVariable("WindowsGccVersion", windowsGccVersion)
pctx.SourcePathVariable("WindowsGccRoot",
"prebuilts/gcc/${HostPrebuiltTag}/host/x86_64-w64-mingw32-${WindowsGccVersion}")
pctx.StaticVariable("WindowsGccTriple", "x86_64-w64-mingw32")
pctx.StaticVariable("WindowsCflags", strings.Join(windowsCflags, " "))
pctx.StaticVariable("WindowsLdflags", strings.Join(windowsLdflags, " "))
pctx.StaticVariable("WindowsCppflags", strings.Join(windowsCppflags, " "))
pctx.StaticVariable("WindowsX86Cflags", strings.Join(windowsX86Cflags, " "))
pctx.StaticVariable("WindowsX8664Cflags", strings.Join(windowsX8664Cflags, " "))
pctx.StaticVariable("WindowsX86Cppflags", strings.Join(windowsX86Cppflags, " "))
pctx.StaticVariable("WindowsX8664Cppflags", strings.Join(windowsX8664Cppflags, " ")
)
pctx.StaticVariable("WindowsIncludeFlags", strings.Join(windowsIncludeFlags, " "))
// Yasm flags
pctx.StaticVariable("WindowsX86YasmFlags", "-f win32 -m x86")
pctx.StaticVariable("WindowsX8664YasmFlags", "-f win64 -m amd64")
}
type toolchainWindows struct {
cFlags, ldFlags string
toolchainBase
toolchainNoCrt
}
type toolchainWindowsX86 struct {
toolchain32Bit
toolchainWindows
}
type toolchainWindowsX8664 struct {
toolchain64Bit
toolchainWindows
}
func (t *toolchainWindowsX86) Name() string {
return "x86"
}
func (t *toolchainWindowsX8664) Name() string {
return "x86_64"
}
func (t *toolchainWindows) ToolchainCflags() string {
return "-B" + filepath.Join("${config.WindowsGccRoot}", "${config.WindowsGccTriple}", "bin")
}
func (t *toolchainWindows) ToolchainLdflags() FlagsWithDeps {
return FlagsWithDeps{
Flags: "-B" + filepath.Join("${config.WindowsGccRoot}", "${config.WindowsGccTriple}", "bin"),
}
}
func (t *toolchainWindows) IncludeFlags() string {
return "${config.WindowsIncludeFlags}"
}
func (t *toolchainWindowsX86) ClangTriple() string {
return "i686-windows-gnu"
}
func (t *toolchainWindowsX8664) ClangTriple() string {
return "x86_64-pc-windows-gnu"
}
func (t *toolchainWindowsX86) Cflags() string {
return "${config.WindowsCflags} ${config.WindowsX86Cflags}"
}
func (t *toolchainWindowsX8664) Cflags() string {
return "${config.WindowsCflags} ${config.WindowsX8664Cflags}"
}
func (t *toolchainWindowsX86) Cppflags() string {
return "${config.WindowsCppflags} ${config.WindowsX86Cppflags}"
}
func (t *toolchainWindowsX8664) Cppflags() string {
return "${config.WindowsCppflags} ${config.WindowsX8664Cppflags}"
}
func (t *toolchainWindowsX86) Ldflags(ctx ToolchainFlagsContext) FlagsWithDeps {
preflags := FlagsWithDeps{
Flags: "${config.WindowsLdflags}",
}
return preflags.Append(WindowsX86Ldflags(ctx))
}
func (t *toolchainWindowsX8664) Ldflags(ctx ToolchainFlagsContext) FlagsWithDeps {
preflags := FlagsWithDeps{
Flags: "${config.WindowsLdflags}",
}
return preflags.Append(WindowsX8664Ldflags(ctx))
}
func (t *toolchainWindowsX86) YasmFlags() string {
return "${config.WindowsX86YasmFlags}"
}
func (t *toolchainWindowsX8664) YasmFlags() string {
return "${config.WindowsX8664YasmFlags}"
}
func (t *toolchainWindows) ShlibSuffix() string {
return ".dll"
}
func (t *toolchainWindows) ExecutableSuffix() string {
return ".exe"
}
func (t *toolchainWindows) AvailableLibraries() []string {
return windowsAvailableLibraries
}
func (t *toolchainWindows) Bionic() bool {
return false
}
var toolchainWindowsX86Singleton Toolchain = &toolchainWindowsX86{}
var toolchainWindowsX8664Singleton Toolchain = &toolchainWindowsX8664{}
func windowsX86ToolchainFactory(arch android.Arch) Toolchain {
return toolchainWindowsX86Singleton
}
func windowsX8664ToolchainFactory(arch android.Arch) Toolchain {
return toolchainWindowsX8664Singleton
}
func init() {
registerToolchainFactory(android.Windows, android.X86, windowsX86ToolchainFactory)
registerToolchainFactory(android.Windows, android.X86_64, windowsX8664ToolchainFactory)
}
func WindowsGccRoot(config android.Config) string {
return "prebuilts/gcc/" + config.PrebuiltOS() + "/host/x86_64-w64-mingw32-" + windowsGccVersion
}