[PATCH] D154665: [Object] fixed invalid symbol handling in ELFObjectFile::getSymbolName

Mircea Trofin via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Tue Jul 11 17:07:48 PDT 2023


This revision was landed with ongoing or failed builds.
This revision was automatically updated to reflect the committed changes.
Closed by commit rGa1e80acc6314: [Object] fixed invalid symbol handling in ELFObjectFile::getSymbolName (authored by JestrTulip, committed by mtrofin).

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D154665/new/

https://reviews.llvm.org/D154665

Files:
  llvm/include/llvm/Object/ELFObjectFile.h
  llvm/test/tools/llvm-objdump/ELF/section-symbols.test


Index: llvm/test/tools/llvm-objdump/ELF/section-symbols.test
===================================================================
--- llvm/test/tools/llvm-objdump/ELF/section-symbols.test
+++ llvm/test/tools/llvm-objdump/ELF/section-symbols.test
@@ -19,6 +19,11 @@
 # CHECK-NEXT: 00000003 R_X86_64_NONE            {{$}}
 # CHECK-NEXT: 00000004 R_X86_64_NONE            {{$}}
 
+## Test that we consume an error in ELFObjectFile<ELFT>::getSectionName when disassembling. 
+# RUN: llvm-objdump -d --syms %t1 2>&1 | \
+# RUN:   FileCheck %s -DFILE=%t1 --check-prefix=CHECK-DISAS
+# CHECK-DISAS: warning: '[[FILE]]': invalid section index: 67
+
 --- !ELF
 FileHeader:
   Class:   ELFCLASS32
Index: llvm/include/llvm/Object/ELFObjectFile.h
===================================================================
--- llvm/include/llvm/Object/ELFObjectFile.h
+++ llvm/include/llvm/Object/ELFObjectFile.h
@@ -530,10 +530,10 @@
 
   // If the symbol name is empty use the section name.
   if ((*SymOrErr)->getType() == ELF::STT_SECTION) {
-    if (Expected<section_iterator> SecOrErr = getSymbolSection(Sym)) {
-      consumeError(Name.takeError());
+    Expected<section_iterator> SecOrErr = getSymbolSection(Sym);
+    if (SecOrErr)
       return (*SecOrErr)->getName();
-    }
+    return SecOrErr.takeError();
   }
   return Name;
 }


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