Support 16 KB page sizes

Author: andriydruk

.github/workflows/build-android-toolchain.yml

@@ -184,7 +184,7 @@ jobs:
           ~/curl/arm
           ~/curl/x86_64
           ~/curl/x86
-        key: curl-7_88_1-r12
+        key: curl-7_88_1-r13
     - name: Install dependencies
       if: steps.cache-curl.outputs.cache-hit != 'true'
       run: ./build/000-install-dependencies-nobel.sh
@@ -250,7 +250,7 @@ jobs:
           ~/libxml/arm
           ~/libxml/x86_64
           ~/libxml/x86
-        key: libxmlv2.13.5-r4
+        key: libxmlv2.13.5-r5
     - name: Install dependencies
       if: steps.cache-libxml.outputs.cache-hit != 'true'
       run: ./build/000-install-dependencies-nobel.sh

build/042-build-curl.sh

@@ -26,7 +26,7 @@ HOST=linux-x86_64
 TOOLCHAIN=$ANDROID_NDK/toolchains/llvm/prebuilt/$HOST
 
 export CFLAGS="-O3 -g -DNDEBUG -fpic -ffunction-sections -fdata-sections -fstack-protector-strong -funwind-tables -no-canonical-prefixes"
-export LDFLAGS="$LDFLAGS -Wl,--build-id=sha1"
+export LDFLAGS="$LDFLAGS -Wl,--build-id=sha1 -Wl,-z,max-page-size=16384"
 
 for arch in ${archs[*]}
 do

build/043-build-libxml.sh

@@ -25,7 +25,7 @@ HOST=linux-x86_64
 TOOLCHAIN=$ANDROID_NDK/toolchains/llvm/prebuilt/$HOST
 
 export CFLAGS="-O3 -g -DNDEBUG -fno-semantic-interposition -fpic -ffunction-sections -fdata-sections -fstack-protector-strong -funwind-tables -no-canonical-prefixes"
-export LDFLAGS="$LDFLAGS -Wl,--build-id=sha1"
+export LDFLAGS="$LDFLAGS -Wl,--build-id=sha1 -Wl,-z,max-page-size=16384"
 
 for arch in ${archs[*]}
 do

build/common-flags.cmake

@@ -14,5 +14,6 @@ set(CMAKE_Swift_FLAGS
         "-tools-directory $ENV{ANDROID_NDK}/toolchains/llvm/prebuilt/linux-x86_64/bin \
          -sdk $ENV{ANDROID_NDK}/toolchains/llvm/prebuilt/linux-x86_64/sysroot \
          -resource-dir $ENV{ANDROID_NDK}/toolchains/llvm/prebuilt/linux-x86_64/sysroot/usr/lib/swift \
-         -Xlinker --build-id=sha1" 
+         -Xlinker --build-id=sha1 \
+         -Xlinker -z -Xlinker max-page-size=16384" 
     CACHE STRING "")

patches/swift/0004-Support-16-KB-page-sizes.patch

@@ -0,0 +1,25 @@
+From 4943ffce5edf11eb99b594f34cd946a63c3a9a71 Mon Sep 17 00:00:00 2001
+From: Andrew Druk <[email protected]>
+Date: Fri, 16 May 2025 22:40:01 +0300
+Subject: [PATCH] Add 16Kb page sizes support
+
+---
+ stdlib/cmake/modules/AddSwiftStdlib.cmake | 2 ++
+ 1 file changed, 2 insertions(+)
+
+diff --git a/stdlib/cmake/modules/AddSwiftStdlib.cmake b/stdlib/cmake/modules/AddSwiftStdlib.cmake
+index 88c09e534e6..477f0ef00ca 100644
+--- a/stdlib/cmake/modules/AddSwiftStdlib.cmake
++++ b/stdlib/cmake/modules/AddSwiftStdlib.cmake
+@@ -2466,6 +2466,8 @@ function(add_swift_target_library name)
+         list(APPEND swiftlib_link_flags_all "-Wl,-soname,lib${name}.so")
+         # Add the build-id flag to ensure a unique identifier is included in the output binary.
+         list(APPEND swiftlib_link_flags_all "-Wl,--build-id")
++        # Ensure compatibility with Android 15+ devices using 16KB memory pages.
++        list(APPEND swiftlib_link_flags_all "-Wl,-z,max-page-size=16384")
+       endif()
+ 
+       if (SWIFTLIB_BACK_DEPLOYMENT_LIBRARY)
+-- 
+2.46.0
+