[PATCH] D128148: [XCOFF] write the aux header when the visibility is specified in XCOFF32.

Digger Lin via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Wed Jun 29 13:28:26 PDT 2022


DiggerLin added inline comments.


================
Comment at: llvm/lib/MC/XCOFFObjectWriter.cpp:462
 
+    if (XSym->getVisibilityType())
+      HasVisibility = true;
----------------
maybe more readable to change to 
if (XSym->getVisibilityType() !=XCOFF::SYM_V_UNSPECIFIED)


================
Comment at: llvm/lib/MC/XCOFFObjectWriter.cpp:760
   if (is64Bit()) {
-    W.write<uint16_t>(0); // AuxHeaderSize. No optional header for an object
-                          // file that is not to be loaded.
+    W.write<uint16_t>(0); // AuxHeaderSize.
     W.write<uint16_t>(0); // Flags
----------------
since in function auxiliaryHeaderSize() , 64bit return size zero, can we use auxiliaryHeaderSize() here ?


================
Comment at: llvm/lib/MC/XCOFFObjectWriter.cpp:783
+  W.write<uint32_t>(0);  // TextStartAddr
+  W.write<uint32_t>(0);  // DataStartAddr
+}
----------------
since we can know the address and Size from stuct SectionEntry , do you want to put the value here instead of zero?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D128148/new/

https://reviews.llvm.org/D128148



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