From: Kevin Enderby <enderby@apple.com>
Date: Thu, 19 Jun 2014 22:49:21 +0000 (+0000)
Subject: Fix the output of llvm-nm for Mach-O files to use the characters ‘d’ and ‘b’ for
X-Git-Url: http://plrg.eecs.uci.edu/git/?p=oota-llvm.git;a=commitdiff_plain;h=f7b992bdcd05fd6844f96e0431505d0b9c9956f9

Fix the output of llvm-nm for Mach-O files to use the characters ‘d’ and ‘b’ for
data and bss symbols instead of the generic ’s’ for a symbol in a section.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211321 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Object/nm-trivial-object.test b/test/Object/nm-trivial-object.test
index 20ac6621e72..c53dc91ecd4 100644
--- a/test/Object/nm-trivial-object.test
+++ b/test/Object/nm-trivial-object.test
@@ -14,6 +14,8 @@ RUN: llvm-nm %p/Inputs/trivial-object-test.macho-i386 \
 RUN:         | FileCheck %s -check-prefix macho
 RUN: llvm-nm %p/Inputs/trivial-object-test.macho-x86-64 \
 RUN:         | FileCheck %s -check-prefix macho64
+RUN: llvm-nm %p/Inputs/macho-text-data-bss.macho-x86_64 \
+RUN:         | FileCheck %s -check-prefix macho-tdb
 RUN: llvm-nm %p/Inputs/common.coff-i386 \
 RUN:         | FileCheck %s -check-prefix COFF-COMMON
 RUN: llvm-nm %p/Inputs/relocatable-with-section-address.elf-x86-64 \
@@ -64,6 +66,11 @@ macho64:                  U _SomeOtherFunction
 macho64: 0000000000000000 T _main
 macho64:                  U _puts
 
+macho-tdb: 0000000000000030 s EH_frame0
+macho-tdb: 0000000000000070 b _b
+macho-tdb: 000000000000000c D _d
+macho-tdb: 0000000000000000 T _t
+macho-tdb: 0000000000000048 S _t.eh
 
 Test that nm uses addresses even with ELF .o files.
 ELF-SEC-ADDR64:      0000000000000058 D a
diff --git a/test/Object/nm-universal-binary.test b/test/Object/nm-universal-binary.test
index 52781267c5c..8992359a79b 100644
--- a/test/Object/nm-universal-binary.test
+++ b/test/Object/nm-universal-binary.test
@@ -15,5 +15,5 @@ CHECK-AR: 0000000000000000 T _main
 CHECK-AR: 0000000000000080 S _main.eh
 CHECK-AR:                  U _printf
 CHECK-AR: macho-universal-archive.x86_64.i386(foo.o) (for architecture i386):
-CHECK-AR: 00000008 S _bar
+CHECK-AR: 00000008 D _bar
 CHECK-AR: 00000000 T _foo
diff --git a/tools/llvm-nm/llvm-nm.cpp b/tools/llvm-nm/llvm-nm.cpp
index c6b80d1dd96..5062435d897 100644
--- a/tools/llvm-nm/llvm-nm.cpp
+++ b/tools/llvm-nm/llvm-nm.cpp
@@ -577,6 +577,10 @@ static char getSymbolNMTypeChar(MachOObjectFile &Obj, basic_symbol_iterator I) {
     StringRef SegmentName = Obj.getSectionFinalSegmentName(Ref);
     if (SegmentName == "__TEXT" && SectionName == "__text")
       return 't';
+    else if (SegmentName == "__DATA" && SectionName == "__data")
+      return 'd';
+    else if (SegmentName == "__DATA" && SectionName == "__bss")
+      return 'b';
     else
       return 's';
   }