[PATCH] D47904: Support option -plugin-opt=dwo_dir=

[Yunlian Jiang via Phabricator via llvm-commits]

yunlian updated this revision to Diff 155025.
Herald added a subscriber: dexonsmith.

https://reviews.llvm.org/D47904

Files:
  ELF/Config.h
  ELF/Driver.cpp
  ELF/LTO.cpp
  ELF/Options.td


Index: ELF/Options.td
===================================================================
--- ELF/Options.td
+++ ELF/Options.td
@@ -432,6 +432,8 @@
 def: F<"plugin-opt=debug-pass-manager">,
   Alias<lto_debug_pass_manager>, HelpText<"Alias for -lto-debug-pass-manager">;
 def: F<"plugin-opt=disable-verify">, Alias<disable_verify>, HelpText<"Alias for -disable-verify">;
+def plugin_opt_dwo_dir_eq: J<"plugin-opt=dwo_dir=">,
+  HelpText<"Directory to store .dwo files when LTO and debug fission are used">;
 def: J<"plugin-opt=jobs=">, Alias<thinlto_jobs>, HelpText<"Alias for -thinlto-jobs">;
 def: J<"plugin-opt=lto-partitions=">, Alias<lto_partitions>, HelpText<"Alias for -lto-partitions">;
 def plugin_opt_mcpu_eq: J<"plugin-opt=mcpu=">;
Index: ELF/LTO.cpp
===================================================================
--- ELF/LTO.cpp
+++ ELF/LTO.cpp
@@ -99,6 +99,7 @@
   C.SampleProfile = Config->LTOSampleProfile;
   C.UseNewPM = Config->LTONewPassManager;
   C.DebugPassManager = Config->LTODebugPassManager;
+  C.DwoDir = Config->DwoDir;
 
   if (Config->SaveTemps)
     checkError(C.addSaveTemps(Config->OutputFile.str() + ".",
Index: ELF/Driver.cpp
===================================================================
--- ELF/Driver.cpp
+++ ELF/Driver.cpp
@@ -727,6 +727,7 @@
   Config->Demangle = Args.hasFlag(OPT_demangle, OPT_no_demangle, true);
   Config->DisableVerify = Args.hasArg(OPT_disable_verify);
   Config->Discard = getDiscard(Args);
+  Config->DwoDir = Args.getLastArgValue(OPT_plugin_opt_dwo_dir_eq);
   Config->DynamicLinker = getDynamicLinker(Args);
   Config->EhFrameHdr =
       Args.hasFlag(OPT_eh_frame_hdr, OPT_no_eh_frame_hdr, false);
Index: ELF/Config.h
===================================================================
--- ELF/Config.h
+++ ELF/Config.h
@@ -80,6 +80,7 @@
   llvm::StringMap<uint64_t> SectionStartMap;
   llvm::StringRef Chroot;
   llvm::StringRef DynamicLinker;
+  llvm::StringRef DwoDir;
   llvm::StringRef Entry;
   llvm::StringRef Emulation;
   llvm::StringRef Fini;


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