[PATCH] D113136: [Clang] Pass -z rel to linker for Fuchsia

[Roland McGrath via Phabricator via cfe-commits]

mcgrathr created this revision.
mcgrathr added a reviewer: phosek.
Herald added a subscriber: abrachet.
mcgrathr requested review of this revision.
Herald added a project: clang.
Herald added a subscriber: cfe-commits.

Fuchsia already supports the more compact relocation format.
Make it the default.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D113136

Files:
  clang/lib/Driver/ToolChains/Fuchsia.cpp
  clang/test/Driver/fuchsia.c


Index: clang/test/Driver/fuchsia.c
===================================================================
--- clang/test/Driver/fuchsia.c
+++ clang/test/Driver/fuchsia.c
@@ -35,7 +35,7 @@
 // CHECK-X86_64: "-fsanitize=safe-stack"
 // CHECK: "-stack-protector" "2"
 // CHECK-NOT: "-fcommon"
-// CHECK: {{.*}}ld.lld{{.*}}" "-z" "max-page-size=4096" "-z" "now" "-z" "rodynamic" "-z" "separate-loadable-segments" "--pack-dyn-relocs=relr"
+// CHECK: {{.*}}ld.lld{{.*}}" "-z" "max-page-size=4096" "-z" "now" "-z" "rodynamic" "-z" "separate-loadable-segments" "--pack-dyn-relocs=relr" "-z" "rel"
 // CHECK: "--sysroot=[[SYSROOT]]"
 // CHECK: "-pie"
 // CHECK: "--build-id"
Index: clang/lib/Driver/ToolChains/Fuchsia.cpp
===================================================================
--- clang/lib/Driver/ToolChains/Fuchsia.cpp
+++ clang/lib/Driver/ToolChains/Fuchsia.cpp
@@ -61,6 +61,8 @@
     CmdArgs.push_back("-z");
     CmdArgs.push_back("separate-loadable-segments");
     CmdArgs.push_back("--pack-dyn-relocs=relr");
+    CmdArgs.push_back("-z");
+    CmdArgs.push_back("rel");
   }
 
   if (!D.SysRoot.empty())


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