From 840ee5bcbf2707755f11c888162d487ab3cd06f0 Mon Sep 17 00:00:00 2001
From: Milos Kotlar <kotlarmilos@gmail.com>
Date: Wed, 25 Jan 2023 09:44:16 +0100
Subject: [PATCH] Add build option to strip out debug symbols when building
 MonoAOT iOS sample app

---
 src/mono/sample/iOS/Makefile       |   3 +
 src/mono/sample/iOS/Program.csproj |   5 ++
 src/mono/sample/iOS/symbols.list   | 111 +++++++++++++++++++++++++++++
 3 files changed, 119 insertions(+)
 create mode 100644 src/mono/sample/iOS/symbols.list

diff --git a/src/mono/sample/iOS/Makefile b/src/mono/sample/iOS/Makefile
index 01ae748bbda1a..b66e38670e033 100644
--- a/src/mono/sample/iOS/Makefile
+++ b/src/mono/sample/iOS/Makefile
@@ -6,6 +6,7 @@ AOT?=false
 TARGET?=iossimulator
 DEPLOY_AND_RUN?=true
 APP_SANDBOX?=false
+STRIP_DEBUG_SYMBOLS?=false
 
 #If DIAGNOSTIC_PORTS is enabled, RUNTIME_COMPONENTS must also be enabled.
 #If RUNTIME_COMPONENTS is enabled, DIAGNOSTIC_PORTS is optional.
@@ -33,6 +34,7 @@ run: clean appbuilder
 	/p:TargetArchitecture=$(MONO_ARCH) \
 	/p:UseLLVM=$(USE_LLVM) \
 	/p:ForceAOT=$(AOT) \
+	/p:StripDebugSymbols=$(STRIP_DEBUG_SYMBOLS) \
 	'/p:RuntimeComponents="$(RUNTIME_COMPONENTS)"' \
 	'/p:DeployAndRun="$(DEPLOY_AND_RUN)"' \
 	'/p:DiagnosticPorts="$(DIAGNOSTIC_PORTS)"'
@@ -44,6 +46,7 @@ run-sim: clean appbuilder
 	/p:TargetArchitecture=$(MONO_ARCH) \
 	/p:UseLLVM=$(USE_LLVM) \
 	/p:ForceAOT=$(AOT) \
+	/p:StripDebugSymbols=$(STRIP_DEBUG_SYMBOLS) \
 	'/p:RuntimeComponents="$(RUNTIME_COMPONENTS)"' \
 	'/p:DeployAndRun="$(DEPLOY_AND_RUN)"' \
 	'/p:DiagnosticPorts="$(DIAGNOSTIC_PORTS)"'
diff --git a/src/mono/sample/iOS/Program.csproj b/src/mono/sample/iOS/Program.csproj
index 765658d4837d8..953f9d4db7953 100644
--- a/src/mono/sample/iOS/Program.csproj
+++ b/src/mono/sample/iOS/Program.csproj
@@ -9,6 +9,7 @@
     <RuntimeIdentifier>$(TargetOS)-$(TargetArchitecture)</RuntimeIdentifier>
     <DefineConstants Condition="'$(ArchiveTests)' == 'true'">$(DefineConstants);CI_TEST</DefineConstants>
     <AppName>HelloiOS</AppName>
+    <StripDebugSymbols Condition="'$(StripDebugSymbols)' == ''">false</StripDebugSymbols>
   </PropertyGroup>
 
   <PropertyGroup>
@@ -97,6 +98,10 @@
         <Output TaskParameter="XcodeProjectPath" PropertyName="XcodeProjectPath" />
     </AppleAppBuilderTask>
 
+    <Exec Condition="'$(StripDebugSymbols)' == 'true'"
+          Command="dsymutil $(AppBundlePath)/$(AppName)
+                   strip -no_code_signature_warning -i -s $(MSBuildThisFileDirectory)/symbols.list $(AppBundlePath)/$(AppName)" />
+
     <Message Importance="High" Text="Xcode: $(XcodeProjectPath)"/>
     <Message Importance="High" Text="App:   $(AppBundlePath)"/>
   </Target>
diff --git a/src/mono/sample/iOS/symbols.list b/src/mono/sample/iOS/symbols.list
new file mode 100644
index 0000000000000..256506b5f2352
--- /dev/null
+++ b/src/mono/sample/iOS/symbols.list
@@ -0,0 +1,111 @@
+_SystemNative_Abort
+_SystemNative_Exit
+_SystemNative_SchedGetCpu
+_SystemNative_ConvertErrorPlatformToPal
+_SystemNative_ConvertErrorPalToPlatform
+_SystemNative_StrErrorR
+_SystemNative_GetLoadLibraryError
+_SystemNative_GetProcAddress
+_SystemNative_FreeLibrary
+_SystemNative_GetErrNo
+_SystemNative_SetErrNo
+_SystemNative_GetEnviron
+_SystemNative_FreeEnviron
+_SystemNative_GetOSArchitecture
+_SystemNative_GetNonCryptographicallySecureRandomBytes
+_SystemNative_GetCryptographicallySecureRandomBytes
+_SystemNative_GetSystemTimeAsTicks
+_SystemNative_GetTimestamp
+_SystemNative_LChflagsCanSetHiddenFlag
+_SystemNative_CanGetHiddenFlag
+_SystemNative_Log
+_SystemNative_LogError
+_SystemNative_LowLevelMonitor_Create
+_SystemNative_LowLevelMonitor_Destroy
+_SystemNative_LowLevelMonitor_Acquire
+_SystemNative_LowLevelMonitor_Release
+_SystemNative_LowLevelMonitor_Wait
+_SystemNative_LowLevelMonitor_Signal_Release
+_SystemNative_AlignedAlloc
+_SystemNative_AlignedFree
+_SystemNative_AlignedRealloc
+_SystemNative_Calloc
+_SystemNative_Free
+_SystemNative_Malloc
+_SystemNative_Realloc
+_SystemNative_GetAllMountPoints
+_SystemNative_GetReadDirRBufferSize
+_SystemNative_ReadDirR
+_SystemNative_GetEUid
+_SystemNative_GetEGid
+_SystemNative_GetPid
+_SystemNative_CreateAutoreleasePool
+_SystemNative_DrainAutoreleasePool
+_SystemNative_CreateThread
+_SystemNative_Access
+_SystemNative_ChDir
+_SystemNative_ChMod
+_SystemNative_FChMod
+_SystemNative_Close
+_SystemNative_CopyFile
+_SystemNative_LoadLibrary
+_SystemNative_GetDefaultSearchOrderPseudoHandle
+_SystemNative_GetFileSystemType
+_SystemNative_FLock
+_SystemNative_FSync
+_SystemNative_FTruncate
+_SystemNative_GetCpuUtilization
+_SystemNative_GetCwd
+_SystemNative_GetDefaultTimeZone
+_SystemNative_GetEnv
+_SystemNative_GetHostName
+_SystemNative_GetProcessPath
+_SystemNative_GetUnixVersion
+_SystemNative_GetUnixRelease
+_SystemNative_LChflags
+_SystemNative_FChflags
+_SystemNative_Link
+_SystemNative_LockFileRegion
+_SystemNative_LowLevelMonitor_TimedWait
+_SystemNative_LSeek
+_SystemNative_MkDir
+_SystemNative_MkdTemp
+_SystemNative_MksTemps
+_SystemNative_Open
+_SystemNative_PathConf
+_SystemNative_PosixFAdvise
+_SystemNative_FAllocate
+_SystemNative_PRead
+_SystemNative_PReadV
+_SystemNative_PWrite
+_SystemNative_PWriteV
+_SystemNative_Read
+_SystemNative_OpenDir
+_SystemNative_CloseDir
+_SystemNative_ReadLink
+_SystemNative_Rename
+_SystemNative_RmDir
+_SystemNative_FStat
+_SystemNative_Stat
+_SystemNative_LStat
+_SystemNative_SymLink
+_SystemNative_SysConf
+_SystemNative_SysLog
+_SystemNative_Unlink
+_SystemNative_UTimensat
+_SystemNative_FUTimens
+_SystemNative_Write
+_SystemNative_GetGroups
+_SystemNative_GetPwUidR
+_SystemNative_GetPwNamR
+_SystemNative_SearchPath
+_SystemNative_SearchPath_TempDirectory
+_SystemNative_FcntlSetFD
+_SystemNative_MMap
+_SystemNative_MUnmap
+_SystemNative_MSync
+_SystemNative_MAdvise
+_SystemNative_ShmOpen
+_SystemNative_ShmUnlink
+_ios_register_button_click
+_ios_set_text
\ No newline at end of file