[Mips] Implement definition of the DT_MIPS_RLD_MAP_REL dynamic tag

llvm-svn: 243835

1 files changed, 10 insertions, 2 deletions

diff --git a/lld/lib/ReaderWriter/ELF/Mips/MipsDynamicTable.h b/lld/lib/ReaderWriter/ELF/Mips/MipsDynamicTable.h
index 83633c92699..480c69cf460 100644
--- a/lld/lib/ReaderWriter/ELF/Mips/MipsDynamicTable.h
+++ b/lld/lib/ReaderWriter/ELF/Mips/MipsDynamicTable.h
@@ -31,8 +31,10 @@ public:
     this->addEntry(DT_MIPS_RLD_VERSION, 1);
 
     // The .rld_map section address.
-    if (this->_ctx.isDynamic() && this->_ctx.getOutputELFType() == ET_EXEC)
+    if (this->_ctx.getOutputELFType() == ET_EXEC) {
       _dt_rldmap = this->addEntry(DT_MIPS_RLD_MAP, 0);
+      _dt_rldmaprel = this->addEntry(DT_MIPS_RLD_MAP_REL, 0);
+    }
 
     // MIPS flags.
     this->addEntry(DT_MIPS_FLAGS, RHF_NOTPOT);
@@ -83,8 +85,13 @@ public:
     if (const auto *sec = _targetLayout.findOutputSection(".MIPS.options"))
       this->_entries[_dt_options].d_un.d_ptr = sec->virtualAddr();
 
-    if (const auto *sec = _targetLayout.findOutputSection(".rld_map"))
+    if (const auto *sec = _targetLayout.findOutputSection(".rld_map")) {
       this->_entries[_dt_rldmap].d_un.d_ptr = sec->virtualAddr();
+      this->_entries[_dt_rldmaprel].d_un.d_ptr =
+          sec->virtualAddr() -
+          (this->virtualAddr() +
+           _dt_rldmaprel * sizeof(typename DynamicTable<ELFT>::Elf_Dyn));
+    }
   }
 
   int64_t getGotPltTag() override { return DT_MIPS_PLTGOT; }
@@ -107,6 +114,7 @@ private:
   std::size_t _dt_baseaddr;
   std::size_t _dt_options;
   std::size_t _dt_rldmap;
+  std::size_t _dt_rldmaprel;
   MipsTargetLayout<ELFT> &_targetLayout;
 };