From f4048c4146bf962043adc7a421f2c020b256c681 Mon Sep 17 00:00:00 2001
From: Juan Hoyos <juan.hoyos@microsoft.com>
Date: Thu, 17 Mar 2022 11:05:31 -0700
Subject: [PATCH] Surface native sourcelink on CoreCLR native PDBs for easier
 dump debugging (#66677)

* Use managed sourcelink infrastructure to allow for win native sourcelink
---
 eng/native/configurecompiler.cmake | 5 +++++
 eng/native/configurepaths.cmake    | 1 +
 eng/versioning.targets             | 7 +++++++
 src/coreclr/runtime-prereqs.proj   | 3 ++-
 4 files changed, 15 insertions(+), 1 deletion(-)

diff --git a/eng/native/configurecompiler.cmake b/eng/native/configurecompiler.cmake
index cdf1a8f766afa..469eb5f59b4eb 100644
--- a/eng/native/configurecompiler.cmake
+++ b/eng/native/configurecompiler.cmake
@@ -78,6 +78,11 @@ if (MSVC)
   set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /PDBCOMPRESS")
   set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /STACK:1572864")
 
+  if(EXISTS ${CLR_SOURCELINK_FILE_PATH})
+    set(CMAKE_SHARED_LINKER_FLAGS "${CMAKE_SHARED_LINKER_FLAGS} /sourcelink:${CLR_SOURCELINK_FILE_PATH}")
+    set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} /sourcelink:${CLR_SOURCELINK_FILE_PATH}")
+  endif(EXISTS ${CLR_SOURCELINK_FILE_PATH})
+
   # Checked build specific flags
   add_linker_flag(/INCREMENTAL:NO CHECKED) # prevent "warning LNK4075: ignoring '/INCREMENTAL' due to '/OPT:REF' specification"
   add_linker_flag(/OPT:REF CHECKED)
diff --git a/eng/native/configurepaths.cmake b/eng/native/configurepaths.cmake
index 3f41026eee2ac..7d6851d1cf064 100644
--- a/eng/native/configurepaths.cmake
+++ b/eng/native/configurepaths.cmake
@@ -2,6 +2,7 @@ get_filename_component(CLR_REPO_ROOT_DIR ${CMAKE_CURRENT_LIST_DIR}/../.. ABSOLUT
 set(CLR_ENG_NATIVE_DIR ${CMAKE_CURRENT_LIST_DIR})
 get_filename_component(CLR_SRC_NATIVE_DIR ${CMAKE_CURRENT_LIST_DIR}/../../src/native ABSOLUTE)
 set (CLR_ARTIFACTS_OBJ_DIR "${CLR_REPO_ROOT_DIR}/artifacts/obj")
+set (CLR_SOURCELINK_FILE_PATH "${CLR_ARTIFACTS_OBJ_DIR}/native.sourcelink.json")
 set(VERSION_HEADER_PATH "${CLR_ARTIFACTS_OBJ_DIR}/_version.h")
 set(VERSION_FILE_PATH "${CLR_ARTIFACTS_OBJ_DIR}/_version.c")
 set(VERSION_FILE_RC_PATH "${CLR_ARTIFACTS_OBJ_DIR}/NativeVersion.rc")
diff --git a/eng/versioning.targets b/eng/versioning.targets
index 10226b7a490d0..9a4ea04f85d00 100644
--- a/eng/versioning.targets
+++ b/eng/versioning.targets
@@ -177,4 +177,11 @@
       WriteOnlyWhenDifferent="true" />
   </Target>
 
+  <Target Name="GenerateNativeSourcelinkFile"
+          DependsOnTargets="GenerateSourceLinkFile"
+          Condition="'$(DisableSourceLink)' != 'true'"
+          Inputs="$(SourceLink)" Outputs="$(NativeSourceLinkFile)">
+    <Error Condition="'$(NativeSourceLinkFile)' == ''" Text="Please set NativeSourceLinkFile to forward appropriate information for sourcelink."/>
+    <Copy SourceFiles="$(SourceLink)" DestinationFiles="$(NativeSourceLinkFile)" />
+  </Target>
 </Project>
diff --git a/src/coreclr/runtime-prereqs.proj b/src/coreclr/runtime-prereqs.proj
index 36ed2ce497be1..167346101e0bf 100644
--- a/src/coreclr/runtime-prereqs.proj
+++ b/src/coreclr/runtime-prereqs.proj
@@ -3,6 +3,7 @@
     <NativeVersionFile Condition="$([MSBuild]::IsOsPlatform(Windows))">$(ArtifactsObjDir)_version.h</NativeVersionFile>
     <NativeVersionFile Condition="!$([MSBuild]::IsOsPlatform(Windows))">$(ArtifactsObjDir)_version.c</NativeVersionFile>
     <RuntimeVersionFile>$(ArtifactsObjDir)runtime_version.h</RuntimeVersionFile>
+    <NativeSourceLinkFile>$(ArtifactsObjDir)native.sourcelink.json</NativeSourceLinkFile>
     <AssemblyName>.NET Runtime</AssemblyName>
   </PropertyGroup>
 
@@ -13,5 +14,5 @@
   <Import Project="$(RepositoryEngineeringDir)versioning.targets" />
   <Import Project="$(RepositoryEngineeringDir)nativepgo.targets" />
 
-  <Target Name="BuildPrereqs" BeforeTargets="Build" DependsOnTargets="GenerateRuntimeVersionFile;OutputPgoPathForCI" />
+  <Target Name="BuildPrereqs" BeforeTargets="Build" DependsOnTargets="GenerateRuntimeVersionFile;GenerateNativeSourcelinkFile;OutputPgoPathForCI" />
 </Project>