Do not generate exec link map files by default

build/toolchain/gcc_toolchain.gni

@@ -16,11 +16,11 @@ import("//build_overrides/pigweed.gni")
 import("$dir_pw_toolchain/generate_toolchain.gni")
 
 declare_args() {
-  # Generate Linker map files. Can skip since they can
+  # Generate Linker map files. By default it is disabled since they can
   # be quite large.
   #
   # Note that toolchains can individually override this
-  chip_generate_link_map_file = true
+  chip_generate_link_map_file = false
 }
 
 template("gcc_toolchain") {

scripts/build/build_examples.py

@@ -83,14 +83,17 @@ def ValidateTargetNames(context, parameter, values):
     default=[],
     multiple=True,
     callback=ValidateTargetNames,
-    help='Build target(s)'
-)
+    help='Build target(s)')
+@click.option(
+    '--enable-link-map-file',
+    default=False,
+    is_flag=True,
+    help='Enable generation of link map files.')
 @click.option(
     '--enable-flashbundle',
     default=False,
     is_flag=True,
-    help='Also generate the flashbundles for the app.'
-)
+    help='Also generate the flashbundles for the app.')
 @click.option(
     '--repo',
     default='.',
@@ -132,7 +135,7 @@ def ValidateTargetNames(context, parameter, values):
         'Set pigweed command launcher. E.g.: "--pw-command-launcher=ccache" '
         'for using ccache when building examples.'))
 @click.pass_context
-def main(context, log_level, target, repo,
+def main(context, log_level, target, enable_link_map_file, repo,
          out_prefix, pregen_dir, clean, dry_run, dry_run_output, enable_flashbundle,
          no_log_timestamps, pw_command_launcher):
     # Ensures somewhat pretty logging of what is going on
@@ -160,6 +163,7 @@ def main(context, log_level, target, repo,
     context.obj = build.Context(
         repository_path=repo, output_prefix=out_prefix, runner=runner)
     context.obj.SetupBuilders(targets=requested_targets, options=BuilderOptions(
+        enable_link_map_file=enable_link_map_file,
         enable_flashbundle=enable_flashbundle,
         pw_command_launcher=pw_command_launcher,
         pregen_dir=pregen_dir,

scripts/build/builders/android.py

@@ -366,6 +366,9 @@ def generate(self):
             if self.options.pw_command_launcher:
                 gn_args["pw_command_launcher"] = self.options.pw_command_launcher
 
+            if self.options.enable_link_map_file:
+                gn_args["chip_generate_link_map_file"] = True
+
             if exampleName == "chip-test":
                 gn_args["chip_build_tests"] = True
             if self.profile != AndroidProfile.DEBUG:

scripts/build/builders/builder.py

@@ -22,6 +22,9 @@
 
 @dataclass
 class BuilderOptions:
+    # Generate a link map file
+    enable_link_map_file: bool = True
+
     # Enable flashbundle generation stage
     enable_flashbundle: bool = False
 

scripts/build/builders/efr32.py

@@ -298,6 +298,9 @@ def generate(self):
         if self.options.pw_command_launcher:
             extra_args.append('pw_command_launcher="%s"' % self.options.pw_command_launcher)
 
+        if self.options.enable_link_map_file:
+            extra_args.append('chip_generate_link_map_file=true')
+
         if self.options.pregen_dir:
             extra_args.append('chip_code_pre_generated_directory="%s"' % self.options.pregen_dir)
 

scripts/build/builders/gn.py

@@ -64,6 +64,9 @@ def generate(self):
         if self.options.pw_command_launcher:
             extra_args.append('pw_command_launcher="%s"' % self.options.pw_command_launcher)
 
+        if self.options.enable_link_map_file:
+            extra_args.append('chip_generate_link_map_file=true')
+
         if self.options.pregen_dir:
             extra_args.append('chip_code_pre_generated_directory="%s"' % self.options.pregen_dir)
 

src/test_driver/tizen/chip_tests/BUILD.gn

@@ -30,7 +30,6 @@ tizen_qemu_mkisofs("chip-tests-runner") {
   #              rebuild of the ISO image, so the test will be run with old
   #              binaries.
   assets_non_tracked = [ rebase_path("${root_build_dir}/tests") ]
-  assets_non_tracked_exclude_globs = [ "*.map" ]
 }
 
 tizen_qemu_run("chip-tests") {