[PATCH] D126787: [llvm-objdump][COFF] Remove duplicate data dir loading

Alvin Wong via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Jun 1 09:33:21 PDT 2022


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alvinhochun updated this revision to Diff 433418.
alvinhochun retitled this revision from "[llvm-objdump][COFF] Remove duplicate data dir loading code" to "[llvm-objdump][COFF] Remove duplicate data dir loading".
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Update commit message


COFFObjectFile already initialized the pointers and checked their
ranges, so COFFDump should just reuse these pointers.

Depends on D126786 <https://reviews.llvm.org/D126786>


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D126787

Files:
  llvm/tools/llvm-objdump/COFFDump.cpp


Index: llvm/tools/llvm-objdump/COFFDump.cpp
===================================================================
--- llvm/tools/llvm-objdump/COFFDump.cpp
+++ llvm/tools/llvm-objdump/COFFDump.cpp
@@ -430,21 +430,12 @@
   if (!PE32Header && !PE32PlusHeader)
     return;
 
-  const data_directory *DataDir = Obj->getDataDirectory(COFF::TLS_TABLE);
-  if (!DataDir || DataDir->RelativeVirtualAddress == 0)
-    return;
-
-  uintptr_t IntPtr = 0;
-  if (Error E =
-          Obj->getRvaPtr(DataDir->RelativeVirtualAddress, IntPtr))
-    reportError(std::move(E), Obj->getFileName());
-
   if (PE32Header) {
-    auto *TLSDir = reinterpret_cast<const coff_tls_directory32 *>(IntPtr);
-    printTLSDirectoryT(TLSDir);
+    if (auto *TLSDir = Obj->getTLSDirectory32())
+      printTLSDirectoryT(TLSDir);
   } else {
-    auto *TLSDir = reinterpret_cast<const coff_tls_directory64 *>(IntPtr);
-    printTLSDirectoryT(TLSDir);
+    if (auto *TLSDir = Obj->getTLSDirectory64())
+      printTLSDirectoryT(TLSDir);
   }
 
   outs() << "\n";
@@ -459,19 +450,10 @@
   if (Obj->getMachine() != COFF::IMAGE_FILE_MACHINE_I386)
     return;
 
-  const data_directory *DataDir = Obj->getDataDirectory(COFF::LOAD_CONFIG_TABLE);
-  if (!DataDir)
-    reportError("no load config data dir", Obj->getFileName());
-
-  uintptr_t IntPtr = 0;
-  if (DataDir->RelativeVirtualAddress == 0)
+  auto *LoadConf = Obj->getLoadConfig32();
+  if (!LoadConf)
     return;
 
-  if (Error E =
-          Obj->getRvaPtr(DataDir->RelativeVirtualAddress, IntPtr))
-    reportError(std::move(E), Obj->getFileName());
-
-  auto *LoadConf = reinterpret_cast<const coff_load_configuration32 *>(IntPtr);
   outs() << "Load configuration:"
          << "\n  Timestamp: " << LoadConf->TimeDateStamp
          << "\n  Major Version: " << LoadConf->MajorVersion
@@ -544,11 +526,11 @@
 // Prints export tables. The export table is a table containing the list of
 // exported symbol from the DLL.
 static void printExportTable(const COFFObjectFile *Obj) {
-  outs() << "Export Table:\n";
   export_directory_iterator I = Obj->export_directory_begin();
   export_directory_iterator E = Obj->export_directory_end();
   if (I == E)
     return;
+  outs() << "Export Table:\n";
   StringRef DllName;
   uint32_t OrdinalBase;
   if (I->getDllName(DllName))


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