Add module for providing AddressSanitizer support

Change-Id: Id34e57a59ad21961ee32da1bf93f6a55596d95aa
Reviewed-by: Ivan Komissarov <ABBAPOH@gmail.com>

2 files changed, 79 insertions, 2 deletions

diff --git a/share/qbs/module-providers/Qt/templates/core.qbs b/share/qbs/module-providers/Qt/templates/core.qbs
index fd81930ba..50d68d3a1 100644
--- a/share/qbs/module-providers/Qt/templates/core.qbs
+++ b/share/qbs/module-providers/Qt/templates/core.qbs
@@ -18,6 +18,7 @@ Module {
         && qbs.targetPlatform === targetPlatform + "-simulator"
 
     Depends { name: "cpp" }
+    Depends { name: "Sanitizers.address" }
 
     Depends { name: "Qt.android_support"; condition: qbs.targetOS.contains("android") }
     Properties {
@@ -118,6 +119,9 @@ Module {
     property bool lreleaseMultiplexMode: false
 
     property stringList moduleConfig: @moduleConfig@
+
+    Sanitizers.address.enabled: config.contains("sanitize_address")
+
     Properties {
         condition: moduleConfig.contains("use_gold_linker")
         cpp.linkerVariant: "gold"
@@ -151,8 +155,6 @@ Module {
     cpp.driverFlags: {
         var flags = [];
         if (qbs.toolchain.contains("gcc")) {
-            if (config.contains("sanitize_address"))
-                flags.push("-fsanitize=address");
             if (config.contains("sanitize_undefined"))
                 flags.push("-fsanitize=undefined");
             if (config.contains("sanitize_thread"))
diff --git a/share/qbs/modules/Sanitizers/address/asan.qbs b/share/qbs/modules/Sanitizers/address/asan.qbs
new file mode 100644
index 000000000..39605ef4e
--- /dev/null
+++ b/share/qbs/modules/Sanitizers/address/asan.qbs
@@ -0,0 +1,75 @@
+/****************************************************************************
+**
+** Copyright (C) 2022 The Qt Company Ltd.
+** Contact: http://www.qt.io/licensing
+**
+** This file is part of Qbs.
+**
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms and
+** conditions see http://www.qt.io/terms-conditions. For further information
+** use the contact form at http://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 or version 3 as published by the Free
+** Software Foundation and appearing in the file LICENSE.LGPLv21 and
+** LICENSE.LGPLv3 included in the packaging of this file.  Please review the
+** following information to ensure the GNU Lesser General Public License
+** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
+** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, The Qt Company gives you certain additional
+** rights.  These rights are described in The Qt Company LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+****************************************************************************/
+
+import qbs.Utilities
+
+Module {
+    Depends { name: "cpp" }
+
+    property bool enabled: true
+    readonly property bool _supported: qbs.toolchain.contains("gcc")
+        || qbs.toolchain.contains("clang-cl")
+        || (qbs.toolchain.contains("msvc")
+            && Utilities.versionCompare(cpp.compilerVersion, "19.28.29500.0") >= 0)
+    readonly property bool _enabled: enabled && _supported
+
+    property string detectUseAfterReturn: "always"
+    PropertyOptions {
+        name: "detectUseAfterReturn"
+        description: "Whether to detect problems with stack use after return from a function"
+        allowedValues: ["never", "runtime", "always"]
+    }
+
+    property bool detectUseAfterScope: true
+
+    cpp.driverFlags: {
+        var flags = [];
+        if (!_enabled)
+            return flags;
+        if (qbs.toolchain.contains("msvc") && !qbs.toolchain.contains("clang-cl")) {
+            flags.push("/fsanitize=address");
+            if (detectUseAfterReturn !== "never")
+                flags.push("/fsanitize-address-use-after-return");
+            return flags;
+        }
+        flags.push("-fsanitize=address", "-fno-omit-frame-pointer");
+        if (detectUseAfterScope)
+            flags.push("-fsanitize-address-use-after-scope");
+        if (detectUseAfterReturn) {
+            if (qbs.toolchain.contains("llvm")) {
+                if (Utilities.versionCompare(cpp.compilerVersion, "13") >= 0)
+                    flags.push("-fsanitize-address-use-after-return=" + detectUseAfterReturn);
+            } else if (detectUseAfterReturn === "never") {
+                flags.push("--param", "asan-use-after-return=0");
+            }
+        }
+        return flags;
+    }
+}