Merge remote-tracking branch 'origin/tracking' into custom

aclocal.m4

@@ -25,7 +25,6 @@ builtin(include, build/autoconf/zlib.m4)dnl
 builtin(include, build/autoconf/icu.m4)dnl
 builtin(include, build/autoconf/clang-plugin.m4)dnl
 builtin(include, build/autoconf/alloc.m4)dnl
-builtin(include, build/autoconf/ios.m4)dnl
 builtin(include, build/autoconf/sanitize.m4)dnl
 
 MOZ_PROG_CHECKMSYS()

build/autoconf/ios.m4

@@ -1,108 +0,0 @@
-dnl This Source Code Form is subject to the terms of the Mozilla Public
-dnl License, v. 2.0. If a copy of the MPL was not distributed with this
-dnl file, You can obtain one at http://mozilla.org/MPL/2.0/.
-
-AC_DEFUN([MOZ_IOS_PATH_PROG],
-[
-changequote({,})
-_prog_name=ifelse($2, {}, `echo $1 | tr "[:upper:]" "[:lower:]"`, $2)
-changequote([,])
-AC_CACHE_CHECK([for $_prog_name in iOS SDK],
-ac_cv_ios_path_$1,
-[
-_path=`xcrun --sdk $ios_sdk --find $_prog_name 2>/dev/null`
-_res=$?
-if test $_res -ne 0; then
-   AC_MSG_ERROR([Could not find '$_prog_name' in the iOS SDK])
-fi
-ac_cv_ios_path_$1=$_path
-])
-$1="${ac_cv_ios_path_$1}$3"
-])
-
-AC_DEFUN([MOZ_IOS_SDK],
-[
-
-MOZ_ARG_WITH_STRING(ios-sdk,
-[  --with-ios-sdk=TYPE
-                          Type of iOS SDK to use (iphonesimulator, iphoneos)
-                          and optionally version (like iphoneos8.2)],
-    ios_sdk=$withval)
-
-MOZ_ARG_ENABLE_STRING(ios-target,
-                      [  --enable-ios-target=VER (default=8.0)
-                          Set the minimum iOS version needed at runtime],
-                      [_IOS_TARGET=$enableval])
-_IOS_TARGET_DEFAULT=8.0
-
-case "$target" in
-arm*-apple-darwin*)
-    if test -z "$ios_sdk" -o "$ios_sdk" = "yes"; then
-       ios_sdk=iphoneos
-    fi
-    case "$ios_sdk" in
-         iphoneos*)
-                ios_target_arg="-miphoneos-version-min"
-                ;;
-         *)
-                AC_MSG_ERROR([Only 'iphoneos' SDKs are valid when targeting iOS device, don't know what to do with '$ios_sdk'.])
-                ;;
-    esac
-    ;;
-*-apple-darwin*)
-    ios_target_arg="-mios-simulator-version-min"
-    case "$ios_sdk" in
-         # Empty SDK is okay, this might be an OS X desktop build.
-         ""|iphonesimulator*)
-                ;;
-         # Default to iphonesimulator
-         yes)
-                ios_sdk=iphonesimulator
-                ;;
-         *)
-                AC_MSG_ERROR([Only 'iphonesimulator' SDKs are valid when targeting iOS simulator.])
-                ;;
-    esac
-    ;;
-esac
-
-
-if test -n "$ios_sdk"; then
-   if test -z "$_IOS_TARGET"; then
-      _IOS_TARGET=$_IOS_TARGET_DEFAULT
-      ios_target_arg="${ios_target_arg}=${_IOS_TARGET}"
-   fi
-   # Ensure that xcrun knows where this SDK is.
-   ios_sdk_path=`xcrun --sdk $ios_sdk --show-sdk-path 2>/dev/null`
-   _ret=$?
-   if test $_ret -ne 0; then
-      AC_MSG_ERROR([iOS SDK '$ios_sdk' could not be found.])
-   fi
-   MOZ_IOS=1
-   export HOST_CC=clang
-   export HOST_CXX=clang++
-   # Add isysroot, arch, and ios target arguments
-   case "$target_cpu" in
-        arm*)
-                ARGS="-arch armv7"
-                ;;
-        *)
-                # Unfortunately simulator builds need this.
-                export CROSS_COMPILE=1
-                ;;
-   esac
-   ARGS=" $ARGS -isysroot $ios_sdk_path $ios_target_arg"
-   # Now find our tools
-   MOZ_IOS_PATH_PROG(CC, clang, $ARGS)
-   MOZ_IOS_PATH_PROG(CXX, clang++, $ARGS)
-   export CPP="$CC -E"
-   export LD="$CXX"
-   MOZ_IOS_PATH_PROG(AR)
-   MOZ_IOS_PATH_PROG(AS, as, $ARGS)
-   MOZ_IOS_PATH_PROG(OTOOL)
-   MOZ_IOS_PATH_PROG(STRIP)
-   export PKG_CONFIG_PATH=${ios_sdk_path}/usr/lib/pkgconfig/
-fi
-
-AC_SUBST(MOZ_IOS)
-])

build/autoconf/toolchain.m4

@@ -27,6 +27,9 @@ fi
 if test "`echo | $AS -o conftest.out -v 2>&1 | grep -c GNU`" != "0"; then
     GNU_AS=1
 fi
+if test "`echo | $AS -o conftest.out -v 2>&1 | grep -c LLVM`" != "0"; then
+    GNU_AS=1
+fi
 rm -f conftest.out
 if test "`echo | $LD -v 2>&1 | grep -c GNU`" != "0"; then
     GNU_LD=1

build/moz.configure/init.configure

@@ -324,9 +324,6 @@ def split_triplet(triplet):
     elif os.startswith('darwin'):
         canonical_kernel = 'Darwin'
         canonical_os = 'OSX'
-    elif os.startswith('ios'):
-        canonical_kernel = 'Darwin'
-        canonical_os = 'iOS'
     elif os.startswith('dragonfly'):
         canonical_os = canonical_kernel = 'DragonFly'
     elif os.startswith('freebsd'):
@@ -458,10 +455,6 @@ add_old_configure_arg(host_for_old_configure)
 @depends(host, target)
 def target_for_old_configure(host, target):
     target_alias = target.alias
-    # old-configure does plenty of tests against $target and $target_os
-    # and expects darwin for iOS, so make it happy.
-    if target.os == 'iOS':
-        target_alias = target_alias.replace('-ios', '-darwin')
     return '--target=%s' % target_alias
 
 add_old_configure_arg(target_for_old_configure)

config/external/ffi/moz.build

@@ -121,6 +121,8 @@ else:
             DEFINES['SYMBOL_UNDERSCORE'] = True
         else:
             ffi_srcs = ('ffi.c', 'darwin.S', 'ffi64.c', 'darwin64.S')
+    elif CONFIG['FFI_TARGET'] == 'AARCH64_DARWIN':
+        ffi_srcs = ('sysv.S', 'ffi.c')
 
     SOURCES += [
         '/js/src/ctypes/libffi/src/%s/%s' % (CONFIG['FFI_TARGET_DIR'], s)

devtools/shared/css/generated/properties-db.js

@@ -9519,6 +9519,7 @@ exports.CSS_PROPERTIES = {
     "supports": [],
     "values": [
       "-moz-pre-space",
+      "break-spaces",
       "inherit",
       "initial",
       "normal",

gfx/thebes/gfxTextRun.cpp

@@ -851,6 +851,7 @@ gfxTextRun::BreakAndMeasureText(uint32_t aStart, uint32_t aMaxLength,
                                 bool *aUsedHyphenation,
                                 uint32_t *aLastBreak,
                                 bool aCanWordWrap,
+                                bool aCanWhitespaceWrap,
                                 gfxBreakPriority *aBreakPriority)
 {
     aMaxLength = std::min(aMaxLength, GetLength() - aStart);
@@ -918,7 +919,15 @@ gfxTextRun::BreakAndMeasureText(uint32_t aStart, uint32_t aMaxLength,
                 aCanWordWrap && mCharacterGlyphs[i].IsClusterStart() &&
                 *aBreakPriority <= gfxBreakPriority::eWordWrapBreak;
 
-            if (atBreak || wordWrapping) {
+            bool whitespaceWrapping = false;
+            if (i > aStart) {
+                // The spec says the breaking opportunity is *after* whitespace.
+                auto const& g = mCharacterGlyphs[i - 1];
+                whitespaceWrapping = aCanWhitespaceWrap &&
+                                     (g.CharIsSpace() || g.CharIsTab() || g.CharIsNewline());
+            }
+
+            if (atBreak || wordWrapping || whitespaceWrapping) {
                 gfxFloat hyphenatedAdvance = advance;
                 if (atHyphenationBreak) {
                     hyphenatedAdvance += aProvider->GetHyphenWidth();
@@ -930,7 +939,8 @@ gfxTextRun::BreakAndMeasureText(uint32_t aStart, uint32_t aMaxLength,
                     lastBreakTrimmableChars = trimmableChars;
                     lastBreakTrimmableAdvance = trimmableAdvance;
                     lastBreakUsedHyphenation = atHyphenationBreak;
-                    *aBreakPriority = atBreak ? gfxBreakPriority::eNormalBreak
+                    *aBreakPriority = (atBreak || whitespaceWrapping)
+                                          ? gfxBreakPriority::eNormalBreak
                                           : gfxBreakPriority::eWordWrapBreak;
                 }
 

gfx/thebes/gfxTextRun.h

@@ -409,6 +409,7 @@ public:
                                  bool *aUsedHyphenation,
                                  uint32_t *aLastBreak,
                                  bool aCanWordWrap,
+                                 bool aCanWhitespaceWrap,
                                  gfxBreakPriority *aBreakPriority);
 
     // Utility getters

ipc/chromium/src/base/atomicops.h

@@ -135,7 +135,7 @@ Atomic64 Release_Load(volatile const Atomic64* ptr);
 // Include our platform specific implementation.
 #if defined(OS_WIN) && defined(ARCH_CPU_X86_FAMILY)
 #include "base/atomicops_internals_x86_msvc.h"
-#elif defined(OS_MACOSX) && defined(ARCH_CPU_X86_FAMILY)
+#elif defined(OS_MACOSX) && (defined(ARCH_CPU_X86_FAMILY) || defined(ARCH_CPU_ARM64))
 #include "base/atomicops_internals_x86_macosx.h"
 #elif defined(COMPILER_GCC) && defined(ARCH_CPU_X86_FAMILY)
 #include "base/atomicops_internals_x86_gcc.h"

js/ffi.configure

@@ -38,8 +38,12 @@ def ffi_target(target):
         else:
             target_name = 'X86_WIN32'
     elif target.os == 'OSX':
-        target_dir = 'x86'
+        if target.cpu == 'aarch64':
+            target_name = 'AARCH64_DARWIN'
+            target_dir = 'aarch64'
+        else:
             target_name = 'X86_DARWIN'
+            target_dir = 'x86'
     elif target.cpu == 'arm':
         target_dir = 'arm'
         target_name = 'ARM'

js/src/aclocal.m4

@@ -25,7 +25,6 @@ builtin(include, ../../build/autoconf/icu.m4)dnl
 builtin(include, ../../build/autoconf/clang-plugin.m4)dnl
 builtin(include, ../../build/autoconf/alloc.m4)dnl
 builtin(include, ../../build/autoconf/sanitize.m4)dnl
-builtin(include, ../../build/autoconf/ios.m4)dnl
 
 define([__MOZ_AC_INIT_PREPARE], defn([AC_INIT_PREPARE]))
 define([AC_INIT_PREPARE],

js/src/wasm/WasmSignalHandlers.cpp

@@ -370,6 +370,12 @@ struct macos_arm_context {
     arm_neon_state_t float_;
 };
 #  define EMULATOR_CONTEXT macos_arm_context
+# elif defined(__aarch64__)
+struct macos_aarch64_context {
+    arm_thread_state64_t thread;
+    arm_neon_state64_t float_;
+};
+#  define EMULATOR_CONTEXT macos_aarch64_context
 # else
 #  error Unsupported architecture
 # endif
@@ -887,7 +893,7 @@ ContextToPC(EMULATOR_CONTEXT* context)
     static_assert(sizeof(context->thread.uts.ts32.__eip) == sizeof(void*),
                   "stored IP should be compile-time pointer-sized");
     return reinterpret_cast<uint8_t**>(&context->thread.uts.ts32.__eip);
-# elif defined(JS_CPU_ARM)
+# elif defined(JS_CPU_ARM) || defined(__aarch64__)
     static_assert(sizeof(context->thread.__pc) == sizeof(void*),
                   "stored IP should be compile-time pointer-sized");
     return reinterpret_cast<uint8_t**>(&context->thread.__pc);
@@ -948,6 +954,11 @@ HandleMachException(JSRuntime* rt, const ExceptionRequest& request)
     unsigned int float_state_count = ARM_NEON_STATE_COUNT;
     int thread_state = ARM_THREAD_STATE;
     int float_state = ARM_NEON_STATE;
+# elif defined(__aarch64__)
+    unsigned int thread_state_count = ARM_THREAD_STATE64_COUNT;
+    unsigned int float_state_count = ARM_NEON_STATE64_COUNT;
+    int thread_state = ARM_THREAD_STATE64;
+    int float_state = ARM_NEON_STATE64;
 # else
 #  error Unsupported architecture
 # endif

layout/generic/nsTextFrame.cpp

@@ -1988,35 +1988,31 @@ GetHyphenTextRun(const gfxTextRun* aTextRun, DrawTarget* aDrawTarget,
     MakeHyphenTextRun(dt, aTextRun->GetAppUnitsPerDevUnit());
 }
 
-static_assert(NS_STYLE_WHITESPACE_NORMAL == 0, "Convention: NS_STYLE_WHITESPACE_NORMAL should be 0");
-static_assert(NS_STYLE_WHITESPACE_PRE == 1, "Convention: NS_STYLE_WHITESPACE_PRE should be 1");
-static_assert(NS_STYLE_WHITESPACE_NOWRAP == 2, "Convention: NS_STYLE_WHITESPACE_NOWRAP should be 2");
-static_assert(NS_STYLE_WHITESPACE_PRE_WRAP == 3, "Convention: NS_STYLE_WHITESPACE_PRE_WRAP should be 3");
-static_assert(NS_STYLE_WHITESPACE_PRE_LINE == 4, "Convention: NS_STYLE_WHITESPACE_PRE_LINE should be 4");
-static_assert(NS_STYLE_WHITESPACE_PRE_SPACE == 5, "Convention: NS_STYLE_WHITESPACE_PRE_SPACE should be 5");
-
 static nsTextFrameUtils::CompressionMode
 GetCSSWhitespaceToCompressionMode(nsTextFrame* aFrame,
                                   const nsStyleText* aStyleText)
 {
-  static const nsTextFrameUtils::CompressionMode sModes[] =
+  switch (aStyleText->mWhiteSpace) {
-  {
+    case NS_STYLE_WHITESPACE_NORMAL:
-    nsTextFrameUtils::COMPRESS_WHITESPACE_NEWLINE,     // normal
+    case NS_STYLE_WHITESPACE_NOWRAP:
-    nsTextFrameUtils::COMPRESS_NONE,                   // pre
+      return nsTextFrameUtils::COMPRESS_WHITESPACE_NEWLINE;
-    nsTextFrameUtils::COMPRESS_WHITESPACE_NEWLINE,     // nowrap
+    case NS_STYLE_WHITESPACE_PRE:
-    nsTextFrameUtils::COMPRESS_NONE,                   // pre-wrap
+    case NS_STYLE_WHITESPACE_PRE_WRAP:
-    nsTextFrameUtils::COMPRESS_WHITESPACE,             // pre-line
+    case NS_STYLE_WHITESPACE_BREAK_SPACES:
-    nsTextFrameUtils::COMPRESS_NONE_TRANSFORM_TO_SPACE // -moz-pre-space
+      if (!aStyleText->NewlineIsSignificant(aFrame)) {
-  };
-
-  auto compression = sModes[aStyleText->mWhiteSpace];
-  if (compression == nsTextFrameUtils::COMPRESS_NONE &&
-      !aStyleText->NewlineIsSignificant(aFrame)) {
         // If newline is set to be preserved, but then suppressed,
         // transform newline to space.
-    compression = nsTextFrameUtils::COMPRESS_NONE_TRANSFORM_TO_SPACE;
+        return nsTextFrameUtils::COMPRESS_NONE_TRANSFORM_TO_SPACE;
+      }
+      return nsTextFrameUtils::COMPRESS_NONE;
+    case NS_STYLE_WHITESPACE_PRE_SPACE:
+      return nsTextFrameUtils::COMPRESS_NONE_TRANSFORM_TO_SPACE;
+    case NS_STYLE_WHITESPACE_PRE_LINE:
+      return nsTextFrameUtils::COMPRESS_WHITESPACE;
+    default:
+      MOZ_ASSERT_UNREACHABLE("Unknown white-space value");
+      return nsTextFrameUtils::COMPRESS_WHITESPACE_NEWLINE;
   }
-  return compression;
 }
 
 already_AddRefed<gfxTextRun>
@@ -9206,8 +9202,10 @@ nsTextFrame::ReflowText(nsLineLayout& aLineLayout, nscoord aAvailableWidth,
   }
   bool canTrimTrailingWhitespace = !textStyle->WhiteSpaceIsSignificant() ||
                                    (GetStateBits() & TEXT_IS_IN_TOKEN_MATHML);
+  bool isBreakSpaces = textStyle->mWhiteSpace == NS_STYLE_WHITESPACE_BREAK_SPACES;
   // allow whitespace to overflow the container
-  bool whitespaceCanHang = textStyle->WhiteSpaceCanWrapStyle() &&
+  bool whitespaceCanHang = !isBreakSpaces &&
+                           textStyle->WhiteSpaceCanWrapStyle() &&
                            textStyle->WhiteSpaceIsSignificant();
   gfxBreakPriority breakPriority = aLineLayout.LastOptionalBreakPriority();
   gfxTextRun::SuppressBreak suppressBreak = gfxTextRun::eNoSuppressBreak;
@@ -9227,7 +9225,9 @@ nsTextFrame::ReflowText(nsLineLayout& aLineLayout, nscoord aAvailableWidth,
                                   &textMetrics, boundingBoxType,
                                   aDrawTarget,
                                   &usedHyphenation, &transformedLastBreak,
-                                  textStyle->WordCanWrap(this), &breakPriority);
+                                  textStyle->WordCanWrap(this),
+                                  isBreakSpaces,
+                                  &breakPriority);
   if (!length && !textMetrics.mAscent && !textMetrics.mDescent) {
     // If we're measuring a zero-length piece of text, update
     // the height manually.

layout/style/nsCSSKeywordList.h

@@ -171,6 +171,7 @@ CSS_KEY(both, both)
 CSS_KEY(bottom, bottom)
 CSS_KEY(bottom-outside, bottom_outside)
 CSS_KEY(break-all, break_all)
+CSS_KEY(break-spaces, break_spaces)
 CSS_KEY(break-word, break_word)
 CSS_KEY(brightness, brightness)
 CSS_KEY(browser, browser)

layout/style/nsCSSProps.cpp

@@ -2253,6 +2253,7 @@ const KTableEntry nsCSSProps::kWhitespaceKTable[] = {
   { eCSSKeyword_pre_wrap, NS_STYLE_WHITESPACE_PRE_WRAP },
   { eCSSKeyword_pre_line, NS_STYLE_WHITESPACE_PRE_LINE },
   { eCSSKeyword__moz_pre_space, NS_STYLE_WHITESPACE_PRE_SPACE },
+  { eCSSKeyword_break_spaces, NS_STYLE_WHITESPACE_BREAK_SPACES },
   { eCSSKeyword_UNKNOWN, -1 }
 };
 

layout/style/nsStyleConsts.h

@@ -1001,6 +1001,7 @@ enum class StyleDisplay : uint8_t {
 #define NS_STYLE_WHITESPACE_PRE_WRAP            3
 #define NS_STYLE_WHITESPACE_PRE_LINE            4
 #define NS_STYLE_WHITESPACE_PRE_SPACE           5
+#define NS_STYLE_WHITESPACE_BREAK_SPACES        6
 
 // See nsStyleText
 #define NS_STYLE_WORDBREAK_NORMAL               0

layout/style/nsStyleStruct.h

@@ -2105,30 +2105,35 @@ struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleText
   bool WhiteSpaceIsSignificant() const {
     return mWhiteSpace == NS_STYLE_WHITESPACE_PRE ||
            mWhiteSpace == NS_STYLE_WHITESPACE_PRE_WRAP ||
+           mWhiteSpace == NS_STYLE_WHITESPACE_BREAK_SPACES ||
            mWhiteSpace == NS_STYLE_WHITESPACE_PRE_SPACE;
   }
 
   bool NewlineIsSignificantStyle() const {
     return mWhiteSpace == NS_STYLE_WHITESPACE_PRE ||
            mWhiteSpace == NS_STYLE_WHITESPACE_PRE_WRAP ||
+           mWhiteSpace == NS_STYLE_WHITESPACE_BREAK_SPACES ||
            mWhiteSpace == NS_STYLE_WHITESPACE_PRE_LINE;
   }
 
   bool WhiteSpaceOrNewlineIsSignificant() const {
     return mWhiteSpace == NS_STYLE_WHITESPACE_PRE ||
            mWhiteSpace == NS_STYLE_WHITESPACE_PRE_WRAP ||
+           mWhiteSpace == NS_STYLE_WHITESPACE_BREAK_SPACES ||
            mWhiteSpace == NS_STYLE_WHITESPACE_PRE_LINE ||
            mWhiteSpace == NS_STYLE_WHITESPACE_PRE_SPACE;
   }
 
   bool TabIsSignificant() const {
     return mWhiteSpace == NS_STYLE_WHITESPACE_PRE ||
-           mWhiteSpace == NS_STYLE_WHITESPACE_PRE_WRAP;
+           mWhiteSpace == NS_STYLE_WHITESPACE_PRE_WRAP ||
+           mWhiteSpace == NS_STYLE_WHITESPACE_BREAK_SPACES;
   }
 
   bool WhiteSpaceCanWrapStyle() const {
     return mWhiteSpace == NS_STYLE_WHITESPACE_NORMAL ||
            mWhiteSpace == NS_STYLE_WHITESPACE_PRE_WRAP ||
+           mWhiteSpace == NS_STYLE_WHITESPACE_BREAK_SPACES ||
            mWhiteSpace == NS_STYLE_WHITESPACE_PRE_LINE;
   }
 

layout/style/test/property_database.js

@@ -4052,7 +4052,7 @@ var gCSSProperties = {
     inherited: true,
     type: CSS_TYPE_LONGHAND,
     initial_values: [ "normal" ],
-    other_values: [ "pre", "nowrap", "pre-wrap", "pre-line", "-moz-pre-space" ],
+    other_values: [ "pre", "nowrap", "pre-wrap", "pre-line", "-moz-pre-space", "break-spaces" ],
     invalid_values: []
   },
   "width": {

nsprpub/pr/include/md/_darwin.h

@@ -40,7 +40,7 @@
 
 #undef  HAVE_STACK_GROWING_UP
 #define HAVE_DLL
-#if defined(__x86_64__) || TARGET_OS_IPHONE
+#if defined(__x86_64__) || defined(__aarch64__)
 #define USE_DLFCN
 #else
 #define USE_MACH_DYLD

old-configure.in

@@ -96,12 +96,6 @@ case "$target" in
     ;;
 esac
 
-case "$target" in
-*-apple-darwin*)
-    MOZ_IOS_SDK
-    ;;
-esac
-
 AC_SUBST(ANDROID_SOURCE)
 AC_SUBST(ANDROID_PACKAGE_NAME)
 AC_SUBST(OBJCOPY)
@@ -787,27 +781,11 @@ case "$target" in
     DLL_SUFFIX=".dylib"
     DSO_LDOPTS=''
     STRIP_FLAGS="$STRIP_FLAGS -x -S"
-    # Ensure that if we're targeting iOS an SDK was provided.
+
-    AC_CACHE_CHECK(for iOS target,
-                   ac_cv_ios_target,
-                   [AC_TRY_COMPILE([#include <TargetConditionals.h>
-#if !(TARGET_OS_IPHONE || TARGET_IPHONE_SIMULATOR)
-#error not iOS
-#endif],
-                                   [],
-                                   ac_cv_ios_target="yes",
-                                   ac_cv_ios_target="no")])
-    if test "$ac_cv_ios_target" = "yes" -a -z $MOZ_IOS; then
-       AC_MSG_ERROR([targeting iOS but not using an iOS SDK?])
-    fi
-    if test -n "$MOZ_IOS"; then
-        direct_nspr_config=1
-    else
     # The ExceptionHandling framework is needed for Objective-C exception
     # logging code in nsObjCExceptions.h. Currently we only use that in debug
     # builds.
     MOZ_DEBUG_LDFLAGS="$MOZ_DEBUG_LDFLAGS -framework ExceptionHandling";
-    fi
 
     if test "x$lto_is_enabled" = "xyes"; then
         echo "Skipping -dead_strip because lto is enabled."
@@ -2084,9 +2062,6 @@ MOZ_OFFICIAL_BRANDING=
 MC_OFFICIAL=
 MOZ_FEEDS=1
 MOZ_AUTH_EXTENSION=1
-if test "$MOZ_IOS"; then
-   MOZ_AUTH_EXTENSION=
-fi
 MOZ_RAW=
 MOZ_AV1=
 MOZ_VORBIS=
@@ -3103,10 +3078,6 @@ MOZ_ARG_DISABLE_BOOL(negotiateauth,
     MOZ_AUTH_EXTENSION=,
     MOZ_AUTH_EXTENSION=1 )
 
-if test -n "$MOZ_IOS" -a -n "$MOZ_AUTH_EXTENSION"; then
-   AC_MSG_ERROR([negotiateauth is not supported on iOS.])
-fi
-
 dnl ========================================================
 dnl Pref extensions (autoconfig)
 dnl ========================================================
@@ -3337,9 +3308,7 @@ MOZ_ARG_ENABLE_BOOL(gamepad,
 if test "$MOZ_GAMEPAD"; then
     case "$OS_TARGET" in
     Darwin)
-        if test -z "$MOZ_IOS"; then
         MOZ_GAMEPAD_BACKEND=cocoa
-        fi
         ;;
     WINNT)
         MOZ_GAMEPAD_BACKEND=windows
@@ -3656,10 +3625,6 @@ dnl ========================================================
 dnl Updater
 dnl ========================================================
 
-if test "$MOZ_IOS"; then
-  MOZ_UPDATER=
-fi
-
 MOZ_ARG_ENABLE_BOOL(updater,
 [  --enable-updater       Enable building of internal updater],
     MOZ_UPDATER=1,
@@ -4863,9 +4828,7 @@ MOZ_ARG_DISABLE_BOOL(necko-wifi,
 if test "$MOZ_NECKO_WIFI"; then
   case "$OS_TARGET" in
     Darwin)
-      if test -z "$MOZ_IOS"; then
       NECKO_WIFI=1
-      fi
       ;;
     DragonFly|FreeBSD|WINNT)
       NECKO_WIFI=1

python/virtualenv/virtualenv.py

@@ -1345,6 +1345,9 @@ def install_python(home_dir, lib_dir, inc_dir, bin_dir, site_packages, clear, sy
                              "have Apple's development tools installed")
                 raise
 
+        # Resign the executable, since install_name_tool invalidates the signature
+        call_subprocess(["codesign", "-s", "-", py_executable])
+
     if not is_win:
         # Ensure that 'python', 'pythonX' and 'pythonX.Y' all exist
         py_exe_version_major = 'python%s' % sys.version_info[0]

toolkit/mozapps/extensions/internal/AddonUpdateChecker.jsm

@@ -611,6 +611,14 @@ function UpdateParser(aId, aUpdateKey, aUrl, aObserver) {
   let requireBuiltIn = Services.prefs.getBoolPref(PREF_UPDATE_REQUIREBUILTINCERTS, true);
 
   logger.debug("Requesting " + aUrl);
+
+  if (!aUrl) {
+    logger.warn("Request failed: empty update manifest URL");
+    this._doneAt = new Error("UP_emptyManifestURL");
+    this.notifyError(AddonUpdateChecker.ERROR_DOWNLOAD_ERROR);
+    return;
+  }
+
   try {
     this.request = new ServiceRequest();
     this.request.open("GET", this.url, true);

toolkit/mozapps/extensions/internal/XPIProvider.jsm

@@ -6135,6 +6135,15 @@ function UpdateChecker(aAddon, aListener, aReason, aAppVersion, aPlatformVersion
   if ("onUpdateAvailable" in this.listener)
     aReason |= UPDATE_TYPE_NEWVERSION;
   
+  // Pass an empty string as the url and call checkForUpdates now if
+  // updateURL is empty. UpdateParser should detect this and fail early.
+
+  if (!updateURL) {
+    this._parser = AddonUpdateChecker.checkForUpdates(aAddon.id, aAddon.updateKey,
+                                                      "", this);
+    return;
+  }
+
   let url = escapeAddonURI(aAddon, updateURL, aReason, aAppVersion);
   this._parser = AddonUpdateChecker.checkForUpdates(aAddon.id, aAddon.updateKey,
                                                     url, this);

widget/cocoa/nsChildView.h

@@ -224,7 +224,6 @@ class WidgetRenderingContext;
                             enter:(BOOL)aEnter
                          exitFrom:(mozilla::WidgetMouseEvent::ExitFrom)aExitFrom;
 
-- (void)updateGLContext;
 - (void)_surfaceNeedsUpdate:(NSNotification*)notification;
 
 - (bool)preRender:(NSOpenGLContext *)aGLContext;

widget/cocoa/nsChildView.mm

@@ -3309,16 +3309,11 @@ NSEvent* gLastDragMouseDownEvent = nil;
   if (!mGLContext) {
     mGLContext = aGLContext;
     [mGLContext retain];
-    mNeedsGLUpdate = true;
+    mNeedsGLUpdate = YES;
   }
 
   CGLLockContext((CGLContextObj)[aGLContext CGLContextObj]);
 
-  if (mNeedsGLUpdate) {
-    [self updateGLContext];
-    mNeedsGLUpdate = NO;
-  }
-
   return true;
 
   NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
@@ -3472,12 +3467,6 @@ NSEvent* gLastDragMouseDownEvent = nil;
   return YES;
 }
 
--(void)updateGLContext
-{
-  [mGLContext setView:mPixelHostingView];
-  [mGLContext update];
-}
-
 - (void)_surfaceNeedsUpdate:(NSNotification*)notification
 {
   if (mGLContext) {
@@ -3592,6 +3581,13 @@ NSEvent* gLastDragMouseDownEvent = nil;
     LayoutDeviceIntRegion region(geckoBounds);
 
     mGeckoChild->PaintWindow(region);
+
+    if (mNeedsGLUpdate) {
+        [mGLContext setView:mPixelHostingView];
+        [mGLContext update];
+        mNeedsGLUpdate = NO;
+    }
+
     return;
   }
 

xpcom/build/moz.build

@@ -37,6 +37,7 @@ elif CONFIG['MOZ_WIDGET_TOOLKIT'] == 'cocoa':
         'PoisonIOInterposerBase.cpp',
         'PoisonIOInterposerMac.cpp',
     ]
+    if CONFIG["CPU_ARCH"] != "aarch64":
         SOURCES += ['mach_override.c']
         SOURCES['mach_override.c'].flags += ['-Wno-unused-function']
 else:

xpcom/glue/FileUtils.cpp

@@ -281,6 +281,8 @@ static const uint32_t CPU_TYPE = CPU_TYPE_X86_64;
 static const uint32_t CPU_TYPE = CPU_TYPE_POWERPC;
 #elif defined(__ppc64__)
 static const uint32_t CPU_TYPE = CPU_TYPE_POWERPC64;
+#elif defined(__aarch64__)
+static const uint32_t CPU_TYPE = CPU_TYPE_ARM64;
 #else
 #error Unsupported CPU type
 #endif

xpcom/reflect/xptcall/md/unix/moz.build

@@ -17,6 +17,11 @@ if CONFIG['OS_ARCH'] == 'Darwin':
         SOURCES += [
             'xptcinvoke_asm_x86_64_unix.S',
         ]
+    if CONFIG["CPU_ARCH"] == "aarch64":
+        SOURCES += [
+            "xptcinvoke_asm_aarch64.S",
+            "xptcstubs_asm_aarch64.S",
+        ]
     if '86' in CONFIG['OS_TEST'] and CONFIG['OS_TEST'] != 'x86_64':
         DEFINES['MOZ_NEED_LEADING_UNDERSCORE'] = True
 
@@ -105,9 +110,9 @@ if CONFIG['OS_ARCH'] in ('Linux', 'FreeBSD', 'NetBSD', 'OpenBSD'):
     if CONFIG['OS_TEST'] == 'aarch64':
         SOURCES += [
             'xptcinvoke_aarch64.cpp',
-            'xptcinvoke_asm_aarch64.s',
+            'xptcinvoke_asm_aarch64.S',
             'xptcstubs_aarch64.cpp',
-            'xptcstubs_asm_aarch64.s',
+            'xptcstubs_asm_aarch64.S',
         ]
     if CONFIG['OS_TEST'] == 'm68k':
         SOURCES += [

xpcom/reflect/xptcall/md/unix/xptcinvoke_asm_aarch64.S

@@ -3,20 +3,36 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
 
-        .section ".text"
+#ifdef __APPLE__
-            .globl _NS_InvokeByIndex
+#define SYM(x) _ ## x
+#else
+#define SYM(x) x
+#endif
+
+            .text
+            .align 2
+            .globl SYM(_NS_InvokeByIndex)
+#ifndef __APPLE__
             .type  _NS_InvokeByIndex,@function
+#endif
 
 /*
  * _NS_InvokeByIndex(nsISupports* that, uint32_t methodIndex,
  *                   uint32_t paramCount, nsXPTCVariant* params)
  */
 
-_NS_InvokeByIndex:
+SYM(_NS_InvokeByIndex):
+            .cfi_startproc
             # set up frame
             stp         x29, x30, [sp,#-32]!
+            .cfi_adjust_cfa_offset 32
+            .cfi_rel_offset x29, 0
+            .cfi_rel_offset x30, 8
             mov         x29, sp
+            .cfi_def_cfa_register x29
             stp         x19, x20, [sp,#16]
+            .cfi_rel_offset x19, 16
+            .cfi_rel_offset x20, 24
 
             # save methodIndex across function calls
             mov         w20, w1
@@ -37,7 +53,7 @@ _NS_InvokeByIndex:
 
             # start of stack area passed to invoke_copy_to_stack
             mov         x0, sp
-            bl          invoke_copy_to_stack
+            bl          SYM(invoke_copy_to_stack)
 
             # load arguments passed in r0-r7
             ldp         x6, x7, [sp, #48]
@@ -58,10 +74,19 @@ _NS_InvokeByIndex:
             blr         x16
 
             add         sp, sp, w19, uxth #3
+            .cfi_def_cfa_register sp
             ldp         x19, x20, [sp,#16]
+            .cfi_restore x19
+            .cfi_restore x20
             ldp         x29, x30, [sp],#32
+            .cfi_adjust_cfa_offset -32
+            .cfi_restore x29
+            .cfi_restore x30
             ret
+            .cfi_endproc
 
+#ifndef __APPLE__
             .size _NS_InvokeByIndex, . - _NS_InvokeByIndex
 
-
+            .section .note.GNU-stack, "", @progbits
+#endif

xpcom/reflect/xptcall/md/unix/xptcstubs_aarch64.cpp

@@ -10,6 +10,19 @@
 #error "Only little endian compatibility was tested"
 #endif
 
+template<typename T> void
+get_value_and_advance(T* aOutValue, void*& aStack) {
+#ifdef __APPLE__
+    const size_t aligned_size = sizeof(T);
+#else
+    const size_t aligned_size = 8;
+#endif
+    // Ensure the pointer is aligned for the type
+    uintptr_t addr = (reinterpret_cast<uintptr_t>(aStack) + aligned_size - 1) & ~(aligned_size - 1);
+    memcpy(aOutValue, reinterpret_cast<void*>(addr), sizeof(T));
+    aStack = reinterpret_cast<void*>(addr + aligned_size);
+}
+
 /*
  * This is for AArch64 ABI
  *
@@ -17,8 +30,8 @@
  * the "fp" registers are stored in fprData. Each array has 8 regs
  * but first reg in gprData is a placeholder for 'self'.
  */
-extern "C" nsresult
+extern "C" nsresult ATTRIBUTE_USED
-PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
+PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, void* args,
                    uint64_t *gprData, double *fprData)
 {
 #define PARAM_BUFFER_COUNT        16
@@ -28,7 +41,6 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
     nsXPTCMiniVariant paramBuffer[PARAM_BUFFER_COUNT];
     nsXPTCMiniVariant* dispatchParams = NULL;
     const nsXPTMethodInfo* info;
-    nsresult result = NS_ERROR_FAILURE;
 
     NS_ASSERTION(self,"no self");
 
@@ -45,7 +57,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
     }
     NS_ASSERTION(dispatchParams,"no place for params");
 
-    uint64_t* ap = args;
+    void* ap = args;
     uint32_t next_gpr = 1; // skip first arg which is 'self'
     uint32_t next_fpr = 0;
     for (uint32_t i = 0; i < paramCount; i++) {
@@ -57,7 +69,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
             if (next_gpr < PARAM_GPR_COUNT) {
                 dp->val.p = (void*)gprData[next_gpr++];
             } else {
-                dp->val.p = (void*)*ap++;
+                get_value_and_advance(&dp->val.p, ap);
             }
             continue;
         }
@@ -67,7 +79,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
                 if (next_gpr < PARAM_GPR_COUNT) {
                     dp->val.i8  = (int8_t)gprData[next_gpr++];
                 } else {
-                    dp->val.i8  = (int8_t)*ap++;
+                    get_value_and_advance(&dp->val.i8, ap);
                 }
                 break;
 
@@ -75,7 +87,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
                 if (next_gpr < PARAM_GPR_COUNT) {
                     dp->val.i16  = (int16_t)gprData[next_gpr++];
                 } else {
-                    dp->val.i16  = (int16_t)*ap++;
+                    get_value_and_advance(&dp->val.i16, ap);
                 }
                 break;
 
@@ -83,7 +95,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
                 if (next_gpr < PARAM_GPR_COUNT) {
                     dp->val.i32  = (int32_t)gprData[next_gpr++];
                 } else {
-                    dp->val.i32  = (int32_t)*ap++;
+                    get_value_and_advance(&dp->val.i32, ap);
                 }
                 break;
 
@@ -91,7 +103,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
                 if (next_gpr < PARAM_GPR_COUNT) {
                     dp->val.i64  = (int64_t)gprData[next_gpr++];
                 } else {
-                    dp->val.i64  = (int64_t)*ap++;
+                    get_value_and_advance(&dp->val.i64, ap);
                 }
                 break;
 
@@ -99,7 +111,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
                 if (next_gpr < PARAM_GPR_COUNT) {
                     dp->val.u8  = (uint8_t)gprData[next_gpr++];
                 } else {
-                    dp->val.u8  = (uint8_t)*ap++;
+                    get_value_and_advance(&dp->val.u8, ap);
                 }
                 break;
 
@@ -107,7 +119,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
                 if (next_gpr < PARAM_GPR_COUNT) {
                     dp->val.u16  = (uint16_t)gprData[next_gpr++];
                 } else {
-                    dp->val.u16  = (uint16_t)*ap++;
+                    get_value_and_advance(&dp->val.u16, ap);
                 }
                 break;
 
@@ -115,7 +127,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
                 if (next_gpr < PARAM_GPR_COUNT) {
                     dp->val.u32  = (uint32_t)gprData[next_gpr++];
                 } else {
-                    dp->val.u32  = (uint32_t)*ap++;
+                    get_value_and_advance(&dp->val.u32, ap);
                 }
                 break;
 
@@ -123,7 +135,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
                 if (next_gpr < PARAM_GPR_COUNT) {
                     dp->val.u64  = (uint64_t)gprData[next_gpr++];
                 } else {
-                    dp->val.u64  = (uint64_t)*ap++;
+                    get_value_and_advance(&dp->val.u64, ap);
                 }
                 break;
 
@@ -131,7 +143,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
                 if (next_fpr < PARAM_FPR_COUNT) {
                     memcpy(&dp->val.f, &fprData[next_fpr++], sizeof(dp->val.f));
                 } else {
-                    memcpy(&dp->val.f, ap++, sizeof(dp->val.f));
+                    get_value_and_advance(&dp->val.f, ap);
                 }
                 break;
 
@@ -139,15 +151,17 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
                 if (next_fpr < PARAM_FPR_COUNT) {
                     memcpy(&dp->val.d, &fprData[next_fpr++], sizeof(dp->val.d));
                 } else {
-                    memcpy(&dp->val.d, ap++, sizeof(dp->val.d));
+                    get_value_and_advance(&dp->val.d, ap);
                 }
                 break;
 
             case nsXPTType::T_BOOL:
                 if (next_gpr < PARAM_GPR_COUNT) {
-                    dp->val.b  = (bool)gprData[next_gpr++];
+                    dp->val.b  = (bool)(uint8_t)gprData[next_gpr++];
                 } else {
-                    dp->val.b  = (bool)*ap++;
+                    uint8_t value;
+                    get_value_and_advance(&value, ap);
+                    dp->val.b = (bool)value;
                 }
                 break;
 
@@ -155,7 +169,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
                 if (next_gpr < PARAM_GPR_COUNT) {
                     dp->val.c  = (char)gprData[next_gpr++];
                 } else {
-                    dp->val.c  = (char)*ap++;
+                    get_value_and_advance(&dp->val.c, ap);
                 }
                 break;
 
@@ -163,7 +177,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
                 if (next_gpr < PARAM_GPR_COUNT) {
                     dp->val.wc  = (wchar_t)gprData[next_gpr++];
                 } else {
-                    dp->val.wc  = (wchar_t)*ap++;
+                    get_value_and_advance(&dp->val.wc, ap);
                 }
                 break;
 
@@ -173,7 +187,7 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
         }
     }
 
-    result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams);
+    nsresult result = self->mOuter->CallMethod((uint16_t)methodIndex, info, dispatchParams);
 
     if (dispatchParams != paramBuffer) {
         delete [] dispatchParams;
@@ -182,26 +196,34 @@ PrepareAndDispatch(nsXPTCStubBase* self, uint32_t methodIndex, uint64_t* args,
     return result;
 }
 
+#ifdef __APPLE__
+#define GNU(str)
+#define UNDERSCORE "__"
+#else
+#define GNU(str) str
+#define UNDERSCORE "_"
+#endif
+
 // Load w17 with the constant 'n' and branch to SharedStub().
 # define STUB_ENTRY(n)                                                  \
     __asm__ (                                                           \
-            ".section \".text\" \n\t"                                   \
+            ".text\n\t"                                                 \
             ".align 2\n\t"                                              \
             ".if "#n" < 10 \n\t"                                        \
-            ".globl  _ZN14nsXPTCStubBase5Stub"#n"Ev \n\t"               \
+            ".globl  " UNDERSCORE "ZN14nsXPTCStubBase5Stub"#n"Ev \n\t"  \
-            ".hidden _ZN14nsXPTCStubBase5Stub"#n"Ev \n\t"               \
+            GNU(".hidden _ZN14nsXPTCStubBase5Stub"#n"Ev \n\t")          \
-            ".type   _ZN14nsXPTCStubBase5Stub"#n"Ev,@function \n\n"     \
+            GNU(".type   _ZN14nsXPTCStubBase5Stub"#n"Ev,@function \n\n")\
-            "_ZN14nsXPTCStubBase5Stub"#n"Ev: \n\t"                      \
+            "" UNDERSCORE "ZN14nsXPTCStubBase5Stub"#n"Ev: \n\t"         \
             ".elseif "#n" < 100 \n\t"                                   \
-            ".globl  _ZN14nsXPTCStubBase6Stub"#n"Ev \n\t"               \
+            ".globl  " UNDERSCORE "ZN14nsXPTCStubBase6Stub"#n"Ev \n\t"  \
-            ".hidden _ZN14nsXPTCStubBase6Stub"#n"Ev \n\t"               \
+            GNU(".hidden _ZN14nsXPTCStubBase6Stub"#n"Ev \n\t")          \
-            ".type   _ZN14nsXPTCStubBase6Stub"#n"Ev,@function \n\n"     \
+            GNU(".type   _ZN14nsXPTCStubBase6Stub"#n"Ev,@function \n\n")\
-            "_ZN14nsXPTCStubBase6Stub"#n"Ev: \n\t"                      \
+            "" UNDERSCORE "ZN14nsXPTCStubBase6Stub"#n"Ev: \n\t"         \
             ".elseif "#n" < 1000 \n\t"                                  \
-            ".globl  _ZN14nsXPTCStubBase7Stub"#n"Ev \n\t"               \
+            ".globl  " UNDERSCORE "ZN14nsXPTCStubBase7Stub"#n"Ev \n\t"  \
-            ".hidden _ZN14nsXPTCStubBase7Stub"#n"Ev \n\t"               \
+            GNU(".hidden _ZN14nsXPTCStubBase7Stub"#n"Ev \n\t")          \
-            ".type   _ZN14nsXPTCStubBase7Stub"#n"Ev,@function \n\n"     \
+            GNU(".type   _ZN14nsXPTCStubBase7Stub"#n"Ev,@function \n\n")\
-            "_ZN14nsXPTCStubBase7Stub"#n"Ev: \n\t"                      \
+            UNDERSCORE "ZN14nsXPTCStubBase7Stub"#n"Ev: \n\t"            \
             ".else  \n\t"                                               \
             ".err   \"stub number "#n" >= 1000 not yet supported\"\n"   \
             ".endif \n\t"                                               \

xpcom/reflect/xptcall/md/unix/xptcstubs_asm_aarch64.S

@@ -2,16 +2,30 @@
 # License, v. 2.0. If a copy of the MPL was not distributed with this
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 
+#ifdef __APPLE__
+#define SYM(x) _ ## x
+#else
+#define SYM(x) x
+#endif
+
             .set NGPREGS,8
             .set NFPREGS,8
 
-            .section ".text"
+            .text
+            .align 2
             .globl SharedStub
+#ifndef __APPLE__
             .hidden SharedStub
             .type  SharedStub,@function
+#endif
 SharedStub:
+            .cfi_startproc
             stp         x29, x30, [sp,#-16]!
+            .cfi_adjust_cfa_offset 16
+            .cfi_rel_offset x29, 0
+            .cfi_rel_offset x30, 8
             mov         x29, sp
+            .cfi_def_cfa_register x29
 
             sub         sp, sp, #8*(NGPREGS+NFPREGS)
             stp         x0, x1, [sp, #64+(0*8)]
@@ -30,10 +44,19 @@ SharedStub:
             add         x3, sp, #8*NFPREGS
             add         x4, sp, #0
 
-            bl          PrepareAndDispatch
+            bl          SYM(PrepareAndDispatch)
 
             add         sp, sp, #8*(NGPREGS+NFPREGS)
+            .cfi_def_cfa_register sp
             ldp         x29, x30, [sp],#16
+            .cfi_adjust_cfa_offset -16
+            .cfi_restore x29
+            .cfi_restore x30
             ret
+            .cfi_endproc
 
+#ifndef __APPLE__
             .size SharedStub, . - SharedStub
+
+            .section .note.GNU-stack, "", @progbits
+#endif

xpcom/reflect/xptcall/md/unix/xptcstubs_darwin.cpp

@@ -11,6 +11,8 @@
 #include "xptcstubs_ppc_rhapsody.cpp"
 #elif defined(__arm__)
 #include "xptcstubs_arm.cpp"
+#elif defined(__aarch64__)
+#include "xptcstubs_aarch64.cpp"
 #else
 #error unknown cpu architecture
 #endif