Merging r360439:

------------------------------------------------------------------------
r360439 | maskray | 2019-05-10 09:24:57 -0700 (Fri, 10 May 2019) | 8 lines

[llvm-objdump] Print st_other

Add support for ".hidden" ".internal" ".protected" and " 0x%02x" for
other st_other bits used by some architectures.

Reviewed By: sfertile

Differential Revision: https://reviews.llvm.org/D61718
------------------------------------------------------------------------

llvm-svn: 362668

5 files changed, 67 insertions, 12 deletions

diff --git a/lld/test/ELF/gc-sections-metadata-startstop.s b/lld/test/ELF/gc-sections-metadata-startstop.s
index ede1899698c4..0a1efb7e6075 100644
--- a/lld/test/ELF/gc-sections-metadata-startstop.s
+++ b/lld/test/ELF/gc-sections-metadata-startstop.s
@@ -11,7 +11,7 @@
 # CHECK-NOT: yy
 
 # CHECK: SYMBOL TABLE:
-# CHECK: xx 00000000 __start_xx
+# CHECK:   xx    00000000 .protected __start_xx
 # CHECK: w *UND* 00000000 __start_yy
 
 .weak __start_xx
diff --git a/lld/test/ELF/mips-micro-relocs.s b/lld/test/ELF/mips-micro-relocs.s
index b539aa946763..566f6810f6e9 100644
--- a/lld/test/ELF/mips-micro-relocs.s
+++ b/lld/test/ELF/mips-micro-relocs.s
@@ -39,9 +39,9 @@
 # EL-NEXT:      20028:       00 00 00 00     nop
 # EL-NEXT:      2002c:       00 94 e8 ff     b       -44
 
-# SYM: 00037ff0         .got            00000000 .hidden _gp
-# SYM: 00020000 g F     .text           00000000 foo
-# SYM: 00020010         .text           00000000 __start
+# SYM: 00037ff0         .got   00000000 .hidden _gp
+# SYM: 00020000 g F     .text  00000000 0x80 foo
+# SYM: 00020010         .text  00000000 0x80 __start
 
   .text
   .set micromips
diff --git a/lld/test/ELF/mips-micror6-relocs.s b/lld/test/ELF/mips-micror6-relocs.s
index ca2c1c064f56..fb450ba5cf3c 100644
--- a/lld/test/ELF/mips-micror6-relocs.s
+++ b/lld/test/ELF/mips-micror6-relocs.s
@@ -26,8 +26,8 @@
 # EL-NEXT:    20014:  7f 80 f6 ff  beqzc  $3, -36
 # EL-NEXT:    20018:  ff b7 f4 ff  balc   -24 <foo>
 
-# SYM: 00020000 g F     .text           00000000 foo
-# SYM: 00020010         .text           00000000 __start
+# SYM: 00020000 g F     .text  00000000 0x80 foo
+# SYM: 00020010         .text  00000000 0x80 __start
 
   .text
   .set micromips
diff --git a/llvm/test/tools/llvm-objdump/elf-symbol-visibility.test b/llvm/test/tools/llvm-objdump/elf-symbol-visibility.test
new file mode 100644
index 000000000000..da7f6d285166
--- /dev/null
+++ b/llvm/test/tools/llvm-objdump/elf-symbol-visibility.test
@@ -0,0 +1,37 @@
+# RUN: yaml2obj %s -o %t
+# RUN: llvm-objdump --syms %t | FileCheck %s
+
+# CHECK:      SYMBOL TABLE:
+# CHECK-NEXT: .text  00000000 default
+# CHECK-NEXT: .text  00000000 .internal internal
+# CHECK-NEXT: .text  00000000 .hidden hidden
+# CHECK-NEXT: .text  00000000 .protected protected
+# CHECK-NEXT: .text  00000000 0x20 mips_pic
+
+!ELF
+FileHeader:
+  Class:   ELFCLASS32
+  Data:    ELFDATA2LSB
+  Type:    ET_REL
+  Machine: EM_MIPS
+  Flags:   [ EF_MIPS_ABI_O32, EF_MIPS_ARCH_32 ]
+Sections:
+  - Name: .text
+    Type: SHT_PROGBITS
+    Flags: [ SHF_ALLOC, SHF_EXECINSTR ]
+Symbols:
+  Local:
+    - Name:    default
+      Section: .text
+    - Name:    internal
+      Visibility: STV_INTERNAL
+      Section: .text
+    - Name:    hidden
+      Visibility: STV_HIDDEN
+      Section: .text
+    - Name:    protected
+      Visibility: STV_PROTECTED
+      Section: .text
+    - Name:    mips_pic
+      Other:   [ STO_MIPS_PIC ]
+      Section: .text
diff --git a/llvm/tools/llvm-objdump/llvm-objdump.cpp b/llvm/tools/llvm-objdump/llvm-objdump.cpp
index ba8d3c5b8d5c..9bd4528ef7f7 100644
--- a/llvm/tools/llvm-objdump/llvm-objdump.cpp
+++ b/llvm/tools/llvm-objdump/llvm-objdump.cpp
@@ -2087,20 +2087,38 @@ void llvm::printSymbolTable(const ObjectFile *O, StringRef ArchiveName,
       outs() << SectionName;
     }
 
-    outs() << '\t';
     if (Common || isa<ELFObjectFileBase>(O)) {
       uint64_t Val =
           Common ? Symbol.getAlignment() : ELFSymbolRef(Symbol).getSize();
-      outs() << format("\t %08" PRIx64 " ", Val);
+      outs() << format("\t%08" PRIx64, Val);
     }
 
-    if (Hidden)
-      outs() << ".hidden ";
+    if (isa<ELFObjectFileBase>(O)) {
+      uint8_t Other = ELFSymbolRef(Symbol).getOther();
+      switch (Other) {
+      case ELF::STV_DEFAULT:
+        break;
+      case ELF::STV_INTERNAL:
+        outs() << " .internal";
+        break;
+      case ELF::STV_HIDDEN:
+        outs() << " .hidden";
+        break;
+      case ELF::STV_PROTECTED:
+        outs() << " .protected";
+        break;
+      default:
+        outs() << format(" 0x%02x", Other);
+        break;
+      }
+    } else if (Hidden) {
+      outs() << " .hidden";
+    }
 
     if (Demangle)
-      outs() << demangle(Name) << '\n';
+      outs() << ' ' << demangle(Name) << '\n';
     else
-      outs() << Name << '\n';
+      outs() << ' ' << Name << '\n';
   }
 }