6cd99e6ab4
Add a rust_fuzz module which builds a libfuzzer binary that enabes asan+sancov. This relies on the libfuzzer-sys crate. Bug: 147140513 Test: Local rust_fuzz example builds, fuzzes with asan+sancov. Change-Id: I57db3b8d25869791824ccfab768d13b0bb9d42fa
99 lines
2.9 KiB
Go
99 lines
2.9 KiB
Go
// Copyright 2019 The Android Open Source Project
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package config
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import (
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"strings"
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"android/soong/android"
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)
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var (
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x86_64RustFlags = []string{}
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x86_64ArchFeatureRustFlags = map[string][]string{}
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x86_64LinkFlags = []string{}
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x86_64ArchVariantRustFlags = map[string][]string{
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"": []string{},
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"broadwell": []string{"-C target-cpu=broadwell"},
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"haswell": []string{"-C target-cpu=haswell"},
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"ivybridge": []string{"-C target-cpu=ivybridge"},
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"sandybridge": []string{"-C target-cpu=sandybridge"},
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"silvermont": []string{"-C target-cpu=silvermont"},
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"skylake": []string{"-C target-cpu=skylake"},
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//TODO: Add target-cpu=stoneyridge when rustc supports it.
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"stoneyridge": []string{""},
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}
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)
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func init() {
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registerToolchainFactory(android.Android, android.X86_64, x86_64ToolchainFactory)
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pctx.StaticVariable("X86_64ToolchainRustFlags", strings.Join(x86_64RustFlags, " "))
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pctx.StaticVariable("X86_64ToolchainLinkFlags", strings.Join(x86_64LinkFlags, " "))
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for variant, rustFlags := range x86_64ArchVariantRustFlags {
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pctx.StaticVariable("X86_64"+variant+"VariantRustFlags",
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strings.Join(rustFlags, " "))
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}
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}
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type toolchainX86_64 struct {
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toolchain64Bit
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toolchainRustFlags string
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}
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func (t *toolchainX86_64) RustTriple() string {
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return "x86_64-linux-android"
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}
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func (t *toolchainX86_64) ToolchainLinkFlags() string {
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// Prepend the lld flags from cc_config so we stay in sync with cc
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return "${config.DeviceGlobalLinkFlags} ${cc_config.X86_64Lldflags} ${config.X86_64ToolchainLinkFlags}"
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}
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func (t *toolchainX86_64) ToolchainRustFlags() string {
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return t.toolchainRustFlags
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}
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func (t *toolchainX86_64) RustFlags() string {
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return "${config.X86_64ToolchainRustFlags}"
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}
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func (t *toolchainX86_64) Supported() bool {
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return true
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}
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func (toolchainX86_64) LibclangRuntimeLibraryArch() string {
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return "x86_64"
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}
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func x86_64ToolchainFactory(arch android.Arch) Toolchain {
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toolchainRustFlags := []string{
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"${config.X86_64ToolchainRustFlags}",
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"${config.X86_64" + arch.ArchVariant + "VariantRustFlags}",
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}
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toolchainRustFlags = append(toolchainRustFlags, deviceGlobalRustFlags...)
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for _, feature := range arch.ArchFeatures {
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toolchainRustFlags = append(toolchainRustFlags, x86_64ArchFeatureRustFlags[feature]...)
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}
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return &toolchainX86_64{
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toolchainRustFlags: strings.Join(toolchainRustFlags, " "),
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}
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}
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