[PATCH] D39512: [LLD] [MinGW] Pass the -lldmap flag through

[Martin Storsjö via Phabricator via llvm-commits]

mstorsjo created this revision.

This is useful for debugging.

Alternatively, should there be some escape mechanism for passing any option through to the COFF driver?


https://reviews.llvm.org/D39512

Files:
  MinGW/Driver.cpp
  MinGW/Options.td
  test/MinGW/driver.test


Index: test/MinGW/driver.test
===================================================================
--- test/MinGW/driver.test
+++ test/MinGW/driver.test
@@ -79,3 +79,6 @@
 
 RUN: ld.lld -### -m i386pep foo.o --output-def out.def | FileCheck -check-prefix OUTPUT-DEF %s
 OUTPUT-DEF: -output-def:out.def
+
+RUN: ld.lld -### -m i386pep foo.o -lldmap | FileCheck -check-prefix LLDMAP %s
+LLDMAP: -lldmap
Index: MinGW/Options.td
===================================================================
--- MinGW/Options.td
+++ MinGW/Options.td
@@ -31,6 +31,7 @@
 // LLD specific options
 def _HASH_HASH_HASH : Flag<["-"], "###">,
     HelpText<"Print (but do not run) the commands to run for this compilation">;
+def lldmap : F<"lldmap">;
 
 // Currently stubs to avoid errors
 def Bdynamic: F<"Bdynamic">, HelpText<"Link against shared libraries">;
Index: MinGW/Driver.cpp
===================================================================
--- MinGW/Driver.cpp
+++ MinGW/Driver.cpp
@@ -152,6 +152,8 @@
     Add("-verbose");
   if (Args.hasArg(OPT_export_all_symbols))
     Add("-export-all-symbols");
+  if (Args.hasArg(OPT_lldmap))
+    Add("-lldmap");
 
   if (auto *A = Args.getLastArg(OPT_m)) {
     StringRef S = A->getValue();


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