[MinGW] Handle --large-address-aware

In GNU ld, this option is only available on i386, not on x86_64 (where it's enabled by default with no option to disable it either). Differential Revision: https://reviews.llvm.org/D40015 llvm-svn: 318280
llvm · Nov 15, 2017 · 3c8d4b5 · 3c8d4b5
1 parent 6e60297
commit 3c8d4b5
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diff --git a/lld/MinGW/Driver.cpp b/lld/MinGW/Driver.cpp
@@ -154,6 +154,8 @@ bool mingw::link(ArrayRef<const char *> ArgsArr, raw_ostream &Diag) {
     Add("-export-all-symbols");
   if (!Args.hasArg(OPT_strip_all))
     Add("-debug:dwarf");
+  if (Args.hasArg(OPT_large_address_aware))
+    Add("-largeaddressaware");
 
   if (auto *A = Args.getLastArg(OPT_m)) {
     StringRef S = A->getValue();

diff --git a/lld/MinGW/Options.td b/lld/MinGW/Options.td
@@ -15,6 +15,8 @@ def l: JoinedOrSeparate<["-"], "l">, MetaVarName<"<libName>">,
 def m: JoinedOrSeparate<["-"], "m">, HelpText<"Set target emulation">;
 def no_whole_archive: F<"no-whole-archive">,
     HelpText<"No longer include all object files for following archives">;
+def large_address_aware: Flag<["--"], "large-address-aware">,
+    HelpText<"Enable large addresses">;
 def o: JoinedOrSeparate<["-"], "o">, MetaVarName<"<path>">,
   HelpText<"Path to file to write output">;
 def out_implib: Separate<["--"], "out-implib">, HelpText<"Import library name">;

diff --git a/lld/test/MinGW/driver.test b/lld/test/MinGW/driver.test
@@ -89,3 +89,6 @@ DEBUG: -debug:dwarf
 RUN: ld.lld -### -m i386pep foo.o -s | FileCheck -check-prefix STRIP %s
 RUN: ld.lld -### -m i386pep foo.o --strip-all | FileCheck -check-prefix STRIP %s
 STRIP-NOT: -debug:dwarf
+
+RUN: ld.lld -### -m i386pep foo.o --large-address-aware | FileCheck -check-prefix LARGE-ADDRESS-AWARE %s
+LARGE-ADDRESS-AWARE: -largeaddressaware