[PATCH] D51365: [llvm-objdump] Keep the memory buffer from the dSYM alive when using -g -dsym

[Francis Visoiu Mistrih via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL341209: [llvm-objdump] Keep the memory buffer from the dSYM alive when using -g -dsym (authored by thegameg, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D51365?vs=163381&id=163518#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D51365

Files:
  llvm/trunk/test/tools/llvm-objdump/X86/macho-disassembly-g-dsym.test
  llvm/trunk/tools/llvm-objdump/MachODump.cpp


Index: llvm/trunk/test/tools/llvm-objdump/X86/macho-disassembly-g-dsym.test
===================================================================
--- llvm/trunk/test/tools/llvm-objdump/X86/macho-disassembly-g-dsym.test
+++ llvm/trunk/test/tools/llvm-objdump/X86/macho-disassembly-g-dsym.test
@@ -0,0 +1,4 @@
+// RUN: dsymutil -f -oso-prepend-path=%p/../../dsymutil/ %p/../../dsymutil/Inputs/basic.macho.x86_64 -o %t1.dSYM
+// RUN: llvm-objdump -d -g -dsym=%t1.dSYM %p/../../dsymutil/Inputs/basic.macho.x86_64 | FileCheck %s
+
+CHECK: Disassembly of section __TEXT,__text:
Index: llvm/trunk/tools/llvm-objdump/MachODump.cpp
===================================================================
--- llvm/trunk/tools/llvm-objdump/MachODump.cpp
+++ llvm/trunk/tools/llvm-objdump/MachODump.cpp
@@ -6947,6 +6947,7 @@
 
   std::unique_ptr<DIContext> diContext;
   ObjectFile *DbgObj = MachOOF;
+  std::unique_ptr<MemoryBuffer> DSYMBuf;
   // Try to find debug info and set up the DIContext for it.
   if (UseDbg) {
     // A separate DSym file path was specified, parse it as a macho file,
@@ -6964,6 +6965,8 @@
       if (DbgObjCheck.takeError())
         report_error(MachOOF->getFileName(), DbgObjCheck.takeError());
       DbgObj = DbgObjCheck.get().release();
+      // We need to keep the file alive, because we're replacing DbgObj with it.
+      DSYMBuf = std::move(BufOrErr.get());
     }
 
     // Setup the DIContext


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