nucleartide · August 27, 2023 18:25 · Oct 11, 2020 · Oct 11, 2020
diff --git a/binary_dsym_plist_gen.rb b/binary_dsym_plist_gen.rb
@@ -2,12 +2,12 @@
 require 'optimist'
 require 'plist'
 
-def run(path, local_source_path, build_source_path)
-  process(path, local_source_path, build_source_path, '**/*.app', true)
-  process(path, local_source_path, build_source_path, '**/*.dylib', false)
+def run(path, source_path)
+  process(path, source_path, '**/*.app', true)
+  process(path, source_path, '**/*.dylib', false)
 end
 
-def process(path, local_source_path, build_source_path, search_pattern, is_app)
+def process(path, source_path, search_pattern, is_app)
   binary_paths = Dir.glob(File.join(path, search_pattern)).sort
   binary_paths.each do |binary_path|
     dsym_path = File.join(path, "#{file_name_without_extension(binary_path)}.dSYM")
@@ -23,7 +23,8 @@ def process(path, local_source_path, build_source_path, search_pattern, is_app)
     dsym_uuids = get_uuids_of_dwarf(dsym_path)
     verify_uuids(binary_uuids, dsym_uuids)
 
-    generate_plist_for_dsym(binary_path, binary_uuids, dsym_path, local_source_path, build_source_path)
+    build_source_path = find_source_path_to_map(binary_path_for_uuids)
+    generate_plist_for_dsym(binary_path, binary_uuids, dsym_path, source_path, build_source_path)
 
     create_link_to_dsym(binary_path, dsym_path)
   end
@@ -56,13 +57,38 @@ def verify_uuids(binary_uuids, dsym_uuids)
   end
 end
 
-def generate_plist_for_dsym(binary_path, binary_uuids, dsym_path, local_source_path, build_source_path)
+def find_source_path_to_map(binary_path)
+  lines = `nm -pa "#{binary_path}" | grep "SO /"`.split("\n")
+
+  lines.each do |line|
+    split_result = line.split
+    # A line looks like this
+    # 0000000000000000 - 00 0000    SO /potential/path/in/remote/machine
+    next if split_result.length < 6
+
+    potential_original_path = split_result[5]
+
+    # doing some guessing here
+    # interesting, could be other stuff there, like /Users/mtrepka/Epic/UE4-Fortnite/Engine/..
+    next unless potential_original_path.start_with?('/Users/build/')
+    # taking everything before /Engine/
+    # in UE4 4.23 /Users/build/Build/++UE4/Sync/Engine/..
+    # in UE4 4.25 /Users/build/Build/++UE4+Licensee/Sync/Engine/..
+    potential_original_path_parts = potential_original_path.split(/\/Engine\//)
+    next unless potential_original_path_parts.count > 0
+
+    return potential_original_path_parts.first
+  end
+  raise 'Unable to find path match, sorry :-( failing miserably!'
+end
+
+def generate_plist_for_dsym(binary_path, binary_uuids, dsym_path, source_path, build_source_path)
   binary_uuids.each do |arch, uuid|
     # DBGDSYMPath, DBGSymbolRichExecutable are not really needed for some reason. Works fine without them.
     plist_dict = {
       DBGArchitecture: arch,
       DBGBuildSourcePath: build_source_path,
-      DBGSourcePath: local_source_path,
+      DBGSourcePath: source_path,
       #DBGDSYMPath: dsym_path,
       #DBGSymbolRichExecutable: binary_path
     }
@@ -103,8 +129,7 @@ def dwarf_dir_path(binary_path)
 
 options = Optimist.options do
   opt :path, 'Path to the binaries and dSYMs (e.g. "/Users/Shared/Epic Games/UE_4.23/Engine/Binaries/Mac")', type: :string, default: '/Users/Shared/Epic Games/UE_4.23/Engine/Binaries/Mac'#, required: true
-  opt :local_source_path, 'Path to the local source directory (e.g. "/Users/Shared/Epic Games/UE_4.23")', type: :string, default: '/Users/Shared/Epic Games/UE_4.23'#, required: true
-  opt :build_source_path, 'Path to the build source directory (default is "/Users/build/Build/++UE4/Sync")', type: :string, default: '/Users/build/Build/++UE4/Sync'
+  opt :source_path, 'Path to the local source directory (e.g. "/Users/Shared/Epic Games/UE_4.23")', type: :string, default: '/Users/Shared/Epic Games/UE_4.23'#, required: true
 end
 
-run options[:path], options[:local_source_path], options[:build_source_path]
+run options[:path], options[:source_path]
diff --git a/binary_dsym_plist_gen.rb b/binary_dsym_plist_gen.rb
@@ -0,0 +1,110 @@
+require 'fileutils'
+require 'optimist'
+require 'plist'
+
+def run(path, local_source_path, build_source_path)
+  process(path, local_source_path, build_source_path, '**/*.app', true)
+  process(path, local_source_path, build_source_path, '**/*.dylib', false)
+end
+
+def process(path, local_source_path, build_source_path, search_pattern, is_app)
+  binary_paths = Dir.glob(File.join(path, search_pattern)).sort
+  binary_paths.each do |binary_path|
+    dsym_path = File.join(path, "#{file_name_without_extension(binary_path)}.dSYM")
+    next unless File.exist?(dsym_path)
+
+    if is_app
+      binary_path_for_uuids = File.join(binary_path, 'Contents', 'MacOS', file_name_without_extension(binary_path))
+    else
+      binary_path_for_uuids = binary_path
+    end
+
+    binary_uuids = get_uuids_of_dwarf(binary_path_for_uuids)
+    dsym_uuids = get_uuids_of_dwarf(dsym_path)
+    verify_uuids(binary_uuids, dsym_uuids)
+
+    generate_plist_for_dsym(binary_path, binary_uuids, dsym_path, local_source_path, build_source_path)
+
+    create_link_to_dsym(binary_path, dsym_path)
+  end
+end
+
+# https://gist.github.com/benasher44/fcf92fc12ff8b539bee7cc50fb52ed32
+def get_uuids_of_dwarf(binary_path)
+  lines = `dwarfdump --uuid "#{binary_path}"`.split("\n")
+  #
+  # An output line of the dwarfdump tool looks like this:
+  # "UUID: E29B1FB0-EBFE-3740-BF5F-5B65CE884713 (x86_64) /path/to/binary"
+  #
+  archs_to_uuids = {}
+  lines.each do |line|
+    elements = line.split(' ')
+    archs_to_uuids[elements[2].gsub(/[()]/, '')] = elements[1] if elements.length >= 4
+  end
+  raise "Unable to obtain UUIDs from #{binary_path}" if archs_to_uuids.empty?
+
+  archs_to_uuids
+end
+
+def verify_uuids(binary_uuids, dsym_uuids)
+  binary_uuids.each do |arch, binary_uuid|
+    raise "Unable to find #{arch} architecture in dSYM" unless dsym_uuids.key? arch
+
+    next if binary_uuid == dsym_uuids[arch]
+
+    raise "uuid mismatch for arch #{arch}, binary uuid=#{binary_uuid}, dsym uuid=#{dsym_uuids[arch]}"
+  end
+end
+
+def generate_plist_for_dsym(binary_path, binary_uuids, dsym_path, local_source_path, build_source_path)
+  binary_uuids.each do |arch, uuid|
+    # DBGDSYMPath, DBGSymbolRichExecutable are not really needed for some reason. Works fine without them.
+    plist_dict = {
+      DBGArchitecture: arch,
+      DBGBuildSourcePath: build_source_path,
+      DBGSourcePath: local_source_path,
+      #DBGDSYMPath: dsym_path,
+      #DBGSymbolRichExecutable: binary_path
+    }
+
+    plist_dir = plist_dir_path(binary_path)
+    FileUtils.mkdir_p(plist_dir) unless Dir.exist?(plist_dir)
+
+    plist_path = File.join(plist_dir, "#{uuid}.plist")
+
+    File.write(plist_path, plist_dict.to_plist)
+    puts "Generated plist #{plist_path}"
+  end
+end
+
+def create_link_to_dsym(binary_path, dsym_path)
+  dsym_link_dir = dwarf_dir_path(binary_path)
+  FileUtils.mkdir_p(dsym_link_dir) unless Dir.exist?(dsym_link_dir)
+
+  # actually dsym link file name can be anything, dummy.xyz works fine as well. What the heck, lldb?
+  dsym_link_path = File.join(dsym_link_dir, File.basename(dsym_path))
+
+  `ln -s "#{dsym_path}" "#{dsym_link_path}"` unless File.exist?(dsym_link_path)
+  puts "Created link #{dsym_link_path}"
+end
+
+
+def file_name_without_extension(file_path)
+  File.basename(file_path, File.extname(file_path))
+end
+
+def plist_dir_path(binary_path)
+  File.join("#{binary_path}.dSYM", 'Contents', 'Resources')
+end
+
+def dwarf_dir_path(binary_path)
+  File.join(plist_dir_path(binary_path), 'DWARF')
+end
+
+options = Optimist.options do
+  opt :path, 'Path to the binaries and dSYMs (e.g. "/Users/Shared/Epic Games/UE_4.23/Engine/Binaries/Mac")', type: :string, default: '/Users/Shared/Epic Games/UE_4.23/Engine/Binaries/Mac'#, required: true
+  opt :local_source_path, 'Path to the local source directory (e.g. "/Users/Shared/Epic Games/UE_4.23")', type: :string, default: '/Users/Shared/Epic Games/UE_4.23'#, required: true
+  opt :build_source_path, 'Path to the build source directory (default is "/Users/build/Build/++UE4/Sync")', type: :string, default: '/Users/build/Build/++UE4/Sync'
+end
+
+run options[:path], options[:local_source_path], options[:build_source_path]
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