Bug 1699380 - Add an arm64 mac toolchain task for minidump-stackwalk. r=firefox-build-system-reviewers,mhentges

Differential Revision: https://phabricator.services.mozilla.com/D108924

taskcluster/ci/toolchain/minidump_stackwalk.yml

@@ -45,6 +45,18 @@ macosx64-minidump-stackwalk:
             - linux64-rust-macos-1.47
             - macosx64-sdk-10.12
 
+macosx64-aarch64-minidump-stackwalk:
+    treeherder:
+        symbol: TM(stackwalk-arm64)
+    run:
+        arguments: ['macosx64-aarch64']
+    fetches:
+        toolchain:
+            - linux64-cctools-port-clang-11
+            - linux64-clang-11
+            - linux64-rust-macos-1.49
+            - macosx64-sdk-11.0
+
 win32-minidump-stackwalk:
     treeherder:
         symbol: TW32(stackwalk)

taskcluster/scripts/misc/build-minidump-stackwalk.sh

@@ -23,6 +23,11 @@ macosx64)
     echo ac_add_options --target=x86_64-apple-darwin >> .mozconfig
     echo ac_add_options --with-macos-sdk=$MOZ_FETCHES_DIR/MacOSX10.12.sdk >> .mozconfig
     ;;
+macosx64-aarch64)
+    TOOLCHAINS="cctools rustc clang"
+    echo ac_add_options --target=aarch64-apple-darwin >> .mozconfig
+    echo ac_add_options --with-macos-sdk=$MOZ_FETCHES_DIR/MacOSX11.0.sdk >> .mozconfig
+    ;;
 mingw32)
     TOOLCHAINS="binutils rustc clang"
     echo ac_add_options --target=i686-w64-mingw32 >> .mozconfig