Unreviewed, reverting 275886@main

https://bugs.webkit.org/show_bug.cgi?id=270808
rdar://124398466

REGRESSION(275886@main): Breaks test runs.

Reverted change:

    Adopt com.apple.developer.cs.allow-jit entitlement for iOS.
    https://bugs.webkit.org/show_bug.cgi?id=270723
    rdar://122841355
    https://commits.webkit.org/275886@main

Canonical link: https://commits.webkit.org/275913@main

Source/JavaScriptCore/Scripts/process-entitlements.sh

@@ -97,22 +97,16 @@ function maccatalyst_process_testapi_entitlements()
 
 function ios_family_process_jsc_entitlements()
 {
-    if [[ "${PLATFORM_NAME}" != watchos ]]; then
-        plistbuddy Add :com.apple.private.verified-jit bool YES
-        if [[ "${PLATFORM_NAME}" == iphoneos ]]; then
-            if (( $(( ${SDK_VERSION_ACTUAL} )) >= 170400 )); then
-                plistbuddy Add :com.apple.developer.cs.allow-jit bool YES
-                plistbuddy Add :com.apple.developer.web-browser-engine.webcontent bool YES
-            else
-                plistbuddy Add :dynamic-codesigning bool YES
-            fi
-        else
-            plistbuddy Add :dynamic-codesigning bool YES
-        fi
-    fi
+    plistbuddy Add :com.apple.private.verified-jit bool YES
+    plistbuddy Add :dynamic-codesigning bool YES
     plistbuddy Add :com.apple.developer.kernel.extended-virtual-addressing bool YES
 }
 
+function ios_family_process_testapi_entitlements()
+{
+    ios_family_process_jsc_entitlements
+}
+
 rm -f "${WK_PROCESSED_XCENT_FILE}"
 plistbuddy Clear dict
 
@@ -158,13 +152,13 @@ then
     if [[ "${PRODUCT_NAME}" == jsc ||
           "${PRODUCT_NAME}" == dynbench ||
           "${PRODUCT_NAME}" == minidom ||
-          "${PRODUCT_NAME}" == testapi ||
           "${PRODUCT_NAME}" == testair ||
           "${PRODUCT_NAME}" == testb3 ||
           "${PRODUCT_NAME}" == testdfg ||
           "${PRODUCT_NAME}" == testmasm ||
           "${PRODUCT_NAME}" == testmem ||
           "${PRODUCT_NAME}" == testRegExp ]]; then ios_family_process_jsc_entitlements
+    elif [[ "${PRODUCT_NAME}" == testapi ]]; then ios_family_process_testapi_entitlements
     else echo "Unsupported/unknown product: ${PRODUCT_NAME}"
     fi
 else

Source/JavaScriptCore/jit/ExecutableAllocator.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2008-2024 Apple Inc. All rights reserved.
+ * Copyright (C) 2008-2023 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
@@ -159,7 +159,7 @@ static bool isJITEnabled()
 {
     bool jitEnabled = !g_jscConfig.jitDisabled;
 #if HAVE(IOS_JIT_RESTRICTIONS)
-    jitEnabled = jitEnabled && (processHasEntitlement("dynamic-codesigning"_s) || processHasEntitlement("com.apple.developer.cs.allow-jit"_s));
+    jitEnabled = jitEnabled && processHasEntitlement("dynamic-codesigning"_s);
 #elif HAVE(MAC_JIT_RESTRICTIONS) && USE(APPLE_INTERNAL_SDK)
     jitEnabled = jitEnabled && processHasEntitlement("com.apple.security.cs.allow-jit"_s);
 #endif
@@ -179,7 +179,7 @@ void ExecutableAllocator::disableJIT()
 
 #if HAVE(IOS_JIT_RESTRICTIONS) || HAVE(MAC_JIT_RESTRICTIONS) && USE(APPLE_INTERNAL_SDK)
 #if HAVE(IOS_JIT_RESTRICTIONS)
-    bool shouldDisableJITMemory = processHasEntitlement("dynamic-codesigning"_s) || processHasEntitlement("com.apple.developer.cs.allow-jit"_s);
+    bool shouldDisableJITMemory = processHasEntitlement("dynamic-codesigning"_s);
 #else
     bool shouldDisableJITMemory = processHasEntitlement("com.apple.security.cs.allow-jit"_s) && !isKernOpenSource();
 #endif

Source/WebKit/Scripts/process-entitlements.sh

@@ -373,17 +373,10 @@ fi
 
 function ios_family_process_webcontent_entitlements()
 {
-    if [[ "${PLATFORM_NAME}" != watchos ]]; then
+    if [[ "${WK_PLATFORM_NAME}" != watchos ]]
+    then
         plistbuddy Add :com.apple.private.verified-jit bool YES
-        if [[ "${PLATFORM_NAME}" == iphoneos ]]; then
-            if (( $(( ${SDK_VERSION_ACTUAL} )) >= 170400 )); then
-                plistbuddy Add :com.apple.developer.cs.allow-jit bool YES
-            else
-                plistbuddy Add :dynamic-codesigning bool YES
-            fi
-        else
-            plistbuddy Add :dynamic-codesigning bool YES
-        fi
+        plistbuddy Add :dynamic-codesigning bool YES
     fi
     plistbuddy Add :com.apple.developer.kernel.extended-virtual-addressing bool YES