Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Use llvm-objcopy with StripSymbols=true and clang #71495

Merged
merged 6 commits into from
Jul 1, 2022
Merged

Use llvm-objcopy with StripSymbols=true and clang #71495

Show file tree
Hide file tree
Changes from 3 commits
Commits
Show all changes
6 commits
Select commit Hold shift + click to select a range
7f08572
Use llvm-objcopy with StripSymbols=true and clang
am11 Jun 30, 2022
2ebcc5e
Allow user to override ObjCopyName property
am11 Jun 30, 2022
fe3232f
Quote utilities in Exec calls
am11 Jun 30, 2022
5c24d8e
Remove extra quotes from Windows targets
am11 Jun 30, 2022
f2b5a91
Address CR feedback
am11 Jun 30, 2022
d718c5a
Delete CppCompiler property
am11 Jun 30, 2022
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
10 changes: 6 additions & 4 deletions src/coreclr/nativeaot/BuildIntegration/Microsoft.NETCore.Native.Unix.targets
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,8 @@ The .NET Foundation licenses this file to you under the MIT license.
<CppLinker>$(CppCompilerAndLinker)</CppLinker>
<CppLibCreator>ar</CppLibCreator>
<DsymUtilOptions Condition="'$(TargetOS)' == 'OSX'">--flat</DsymUtilOptions>
<ObjCopyName Condition="'$(ObjCopyName)' == '' and '$(TargetOS)' != 'OSX' and '$(CppCompilerAndLinker)' != 'clang'">objcopy</ObjCopyName>
am11 marked this conversation as resolved.
Show resolved Hide resolved
<ObjCopyName Condition="'$(ObjCopyName)' == '' and '$(TargetOS)' != 'OSX' and '$(CppCompilerAndLinker)' == 'clang'">llvm-objcopy</ObjCopyName>
</PropertyGroup>

<Target Name="SetupOSSpecificProps" DependsOnTargets="$(IlcDynamicBuildPropertyDependencies)">
Expand Down Expand Up @@ -105,11 +107,11 @@ The .NET Foundation licenses this file to you under the MIT license.
<LinkerArg Include="@(NativeFramework->'-framework %(Identity)')" Condition="'$(TargetOS)' == 'OSX'" />
</ItemGroup>

<Exec Command="command -v $(CppLinker)" IgnoreExitCode="true" StandardOutputImportance="Low">
<Exec Command="command -v &quot;$(CppLinker)&quot;" IgnoreExitCode="true" StandardOutputImportance="Low">
<Output TaskParameter="ExitCode" PropertyName="_WhereLinker" />
</Exec>

<Exec Command="command -v $(CppCompilerAndLinkerAlternative)" Condition="'$(CppCompilerAndLinkerAlternative)' != '' and '$(_WhereLinker)' != '0'" IgnoreExitCode="true" StandardOutputImportance="Low">
<Exec Command="command -v &quot;$(CppCompilerAndLinkerAlternative)&quot;" Condition="'$(CppCompilerAndLinkerAlternative)' != '' and '$(_WhereLinker)' != '0'" IgnoreExitCode="true" StandardOutputImportance="Low">
<Output TaskParameter="ExitCode" PropertyName="_WhereLinkerAlt" />
</Exec>

Expand All @@ -126,11 +128,11 @@ The .NET Foundation licenses this file to you under the MIT license.
<Error Condition="'$(_WhereLinker)' != '0' and '$(CppCompilerAndLinkerAlternative)' == '' and '$(TargetOS)' != 'OSX'"
Text="Requested linker ('$(CppLinker)') not found in PATH." />

<Exec Command="command -v objcopy" IgnoreExitCode="true" StandardOutputImportance="Low" Condition="'$(TargetOS)' != 'OSX' and '$(StripSymbols)' == 'true'">
<Exec Command="command -v &quot;$(ObjCopyName)&quot;" IgnoreExitCode="true" StandardOutputImportance="Low" Condition="'$(TargetOS)' != 'OSX' and '$(StripSymbols)' == 'true'">
<Output TaskParameter="ExitCode" PropertyName="_WhereSymbolStripper" />
</Exec>
<Error Condition="'$(_WhereSymbolStripper)' != '0' and '$(StripSymbols)' == 'true' and '$(TargetOS)' != 'OSX'"
Text="Symbol stripping tool ('objcopy') not found in PATH. Make sure 'objcopy' is available in PATH" />
Text="Symbol stripping tool ('$(ObjCopyName)') not found in PATH. Make sure 'objcopy' is available in PATH" />

<Exec Command="command -v dsymutil &amp;&amp; command -v strip" IgnoreExitCode="true" StandardOutputImportance="Low" Condition="'$(TargetOS)' == 'OSX' and '$(StripSymbols)' == 'true'">
<Output TaskParameter="ExitCode" PropertyName="_WhereSymbolStripper" />
Expand Down
24 changes: 13 additions & 11 deletions src/coreclr/nativeaot/BuildIntegration/Microsoft.NETCore.Native.targets
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -336,23 +336,25 @@ The .NET Foundation licenses this file to you under the MIT license.
<_IgnoreLinkerWarnings Condition="'$(TargetOS)' == 'OSX'">true</_IgnoreLinkerWarnings>
</PropertyGroup>

<Exec Command="$(CppLinker) @(CustomLinkerArg, ' ')" Condition="'$(TargetOS)' != 'windows' and '$(NativeLib)' != 'Static'" IgnoreStandardErrorWarningFormat="$(_IgnoreLinkerWarnings)" />
<Exec Command="$(CppLibCreator) @(CustomLibArg, ' ')" Condition="'$(TargetOS)' != 'windows' and '$(NativeLib)' == 'Static'" />
<Exec Command="&quot;$(CppLinker)&quot; @(CustomLinkerArg, ' ')" Condition="'$(TargetOS)' != 'windows' and '$(NativeLib)' != 'Static'" IgnoreStandardErrorWarningFormat="$(_IgnoreLinkerWarnings)" />
<Exec Command="&quot;$(CppLibCreator)&quot; @(CustomLibArg, ' ')" Condition="'$(TargetOS)' != 'windows' and '$(NativeLib)' == 'Static'" />

<WriteLinesToFile File="$(NativeIntermediateOutputPath)link.rsp" Lines="@(CustomLinkerArg)" Overwrite="true" Encoding="utf-8" Condition="'$(TargetOS)' == 'windows' and '$(NativeLib)' != 'Static'" />
<Exec Command="$(CppLinker) @&quot;$(NativeIntermediateOutputPath)link.rsp&quot;" Condition="'$(TargetOS)' == 'windows' and '$(NativeLib)' != 'Static'" />
<Exec Command="&quot;$(CppLinker)&quot; @&quot;$(NativeIntermediateOutputPath)link.rsp&quot;" Condition="'$(TargetOS)' == 'windows' and '$(NativeLib)' != 'Static'" />
<WriteLinesToFile File="$(NativeIntermediateOutputPath)lib.rsp" Lines="@(CustomLibArg)" Overwrite="true" Encoding="utf-8" Condition="'$(TargetOS)' == 'windows' and '$(NativeLib)' == 'Static'" />
<Exec Command="$(CppLibCreator) @&quot;$(NativeIntermediateOutputPath)lib.rsp&quot;" Condition="'$(TargetOS)' == 'windows' and '$(NativeLib)' == 'Static'" />
<Exec Command="&quot;$(CppLibCreator)&quot; @&quot;$(NativeIntermediateOutputPath)lib.rsp&quot;" Condition="'$(TargetOS)' == 'windows' and '$(NativeLib)' == 'Static'" />

<!-- strip symbols, see https://github.com/dotnet/runtime/blob/5d3288d/eng/native/functions.cmake#L374 -->
<Exec Condition="'$(StripSymbols)' == 'true' and '$(TargetOS)' != 'windows' and '$(TargetOS)' != 'OSX'"
Command="
objcopy --only-keep-debug &quot;$(NativeBinary)&quot; &quot;$(NativeBinary)$(NativeSymbolExt)&quot; &amp;&amp;
objcopy --strip-unneeded &quot;$(NativeBinary)&quot; &amp;&amp;
objcopy --add-gnu-debuglink=&quot;$(NativeBinary)$(NativeSymbolExt)&quot; &quot;$(NativeBinary)&quot;" />
&quot;$(ObjCopyName)&quot; --only-keep-debug &quot;$(NativeBinary)&quot; &quot;$(NativeBinary)$(NativeSymbolExt)&quot; &amp;&amp;
&quot;$(ObjCopyName)&quot; --strip-debug --strip-unneeded &quot;$(NativeBinary)&quot; &amp;&amp;
&quot;$(ObjCopyName)&quot; --add-gnu-debuglink=&quot;$(NativeBinary)$(NativeSymbolExt)&quot; &quot;$(NativeBinary)&quot;" />

<Exec Condition="'$(StripSymbols)' == 'true' and '$(TargetOS)' == 'OSX'" Command="dsymutil $(DsymUtilOptions) &quot;$(NativeBinary)&quot;" />
<Exec Condition="'$(StripSymbols)' == 'true' and '$(TargetOS)' == 'OSX'" Command="strip -no_code_signature_warning -S &quot;$(NativeBinary)&quot;" />
<Exec Condition="'$(StripSymbols)' == 'true' and '$(TargetOS)' == 'OSX'"
Command="
dsymutil $(DsymUtilOptions) &quot;$(NativeBinary)&quot; &amp;&amp;
strip -no_code_signature_warning -S &quot;$(NativeBinary)&quot;" />
</Target>

<Target Name="CreateLib"
Expand All @@ -369,8 +371,8 @@ The .NET Foundation licenses this file to you under the MIT license.
<MakeDir Directories="$(NativeIntermediateOutputPath)" />
<WriteLinesToFile File="$(NativeIntermediateOutputPath)lib.rsp" Lines="@(CustomLibArg)" Overwrite="true" Encoding="utf-8" Condition="'$(TargetOS)' == 'windows'" />
<MakeDir Directories="$([System.IO.Path]::GetDirectoryName($(SharedLibrary)))" />
<Exec Command="$(CppLibCreator) @&quot;$(NativeIntermediateOutputPath)lib.rsp&quot;" Condition="'$(TargetOS)' == 'windows'" />
<Exec Command="$(CppLibCreator) @(CustomLibArg, ' ')" Condition="'$(TargetOS)' != 'windows'" />
<Exec Command="&quot;$(CppLibCreator)&quot; @&quot;$(NativeIntermediateOutputPath)lib.rsp&quot;" Condition="'$(TargetOS)' == 'windows'" />
<Exec Command="&quot;$(CppLibCreator)&quot; @(CustomLibArg, ' ')" Condition="'$(TargetOS)' != 'windows'" />
</Target>

<Import Project="$(MSBuildThisFileDirectory)Microsoft.NETCore.Native.Publish.targets" Condition="'$(NativeCompilationDuringPublish)' != 'false'" />
Expand Down