[Android] Fix stack symbolization when packed relocations are on.

build/config/android/internal_rules.gni

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Do not add any imports to non-//build directories here.
 # Some projects (e.g. V8) do not have non-build directories DEPS'ed in.
 import("//build_overrides/build.gni")
 import("//build/config/android/config.gni")
 import("//build/config/dcheck_always_on.gni")
 import("//build/config/sanitizers/sanitizers.gni")
@@ skipping 618 matching lines @@
       args += [
         "--test-runner-path",
         android_test_runner_script,
       ]
     }
 
     args += test_runner_args
   }
 }
 
+template("stack_script") {
+  forward_variables_from(invoker, [ "testonly" ])
+
+  _stack_target_name = invoker.stack_target_name
+
+  action(target_name) {
+    forward_variables_from(invoker,
+                           [
+                             "data_deps",
+                             "deps",
+                           ])
+    if (!defined(deps)) {
+      deps = []
+    }
+    if (!defined(data_deps)) {
+      data_deps = []
+    }
+
+    data_deps +=
+        [ "//third_party/android_platform/development/scripts:stack_py" ]
+
+    script = "//build/android/gyp/create_stack_script.py"
+    depfile = "$target_gen_dir/$target_name.d"
+
+    stack_script = "//third_party/android_platform/development/scripts/stack"

[agrieve, 2017/04/26 18:19:44]

nit: prefix with _

[jbudorick, 2017/04/26 19:34:21]

Done for this and generated_script.

+
+    generated_script = "$root_build_dir/bin/stack_${_stack_target_name}"
+
+    outputs = [
+      generated_script,
+    ]
+    data = [
+      generated_script,
+    ]
+
+    args = [
+      "--depfile",
+      rebase_path(depfile, root_build_dir),
+      "--output-directory",
+      rebase_path(root_build_dir, root_build_dir),
+      "--script-path",
+      rebase_path(stack_script, root_build_dir),
+      "--script-output-path",
+      rebase_path(generated_script, root_build_dir),
+      "--arch=$target_cpu",
+    ]
+    if (defined(invoker.packed_libraries)) {
+      args += [
+        "--packed-libs",
+        invoker.packed_libraries,
+      ]
+    }
+  }
+}
+
 if (enable_java_templates) {
   import("//build/config/zip.gni")
   import("//third_party/ijar/ijar.gni")
   import("//third_party/android_platform/config.gni")
 
   rebased_android_sdk = rebase_path(android_sdk, root_build_dir)
   rebased_android_sdk_build_tools =
       rebase_path(android_sdk_build_tools, root_build_dir)
 
   android_sdk_jar = "$android_sdk/android.jar"
@@ skipping 2141 matching lines @@
         rebase_path(root_build_dir, root_build_dir),
         "--packed-libraries-dir",
         rebase_path(_packed_libraries_dir, root_build_dir),
         "--libraries=${invoker.libraries_filearg}",
         "--filelistjson",
         rebase_path(invoker.file_list_json, root_build_dir),
       ]
     }
   }
 }