[lld] r251148 - Revert "[ELF2] --strip-all/-s command line implemented"

Rui Ueyama via llvm-commits llvm-commits at lists.llvm.org
Fri Oct 23 14:08:42 PDT 2015


Author: ruiu
Date: Fri Oct 23 16:08:41 2015
New Revision: 251148

URL: http://llvm.org/viewvc/llvm-project?rev=251148&view=rev
Log:
Revert "[ELF2] --strip-all/-s command line implemented"

This reverts commit r251144 because the new test is failing.

Removed:
    lld/trunk/test/elf2/strip-all.s
Modified:
    lld/trunk/ELF/Config.h
    lld/trunk/ELF/Driver.cpp
    lld/trunk/ELF/Options.td
    lld/trunk/ELF/Writer.cpp

Modified: lld/trunk/ELF/Config.h
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/Config.h?rev=251148&r1=251147&r2=251148&view=diff
==============================================================================
--- lld/trunk/ELF/Config.h (original)
+++ lld/trunk/ELF/Config.h Fri Oct 23 16:08:41 2015
@@ -58,7 +58,6 @@ struct Configuration {
   bool NoUndefined;
   bool Shared;
   bool Static = false;
-  bool StripAll;
   bool SysvHash = true;
   bool Verbose;
   bool ZNodelete = false;

Modified: lld/trunk/ELF/Driver.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/Driver.cpp?rev=251148&r1=251147&r2=251148&view=diff
==============================================================================
--- lld/trunk/ELF/Driver.cpp (original)
+++ lld/trunk/ELF/Driver.cpp Fri Oct 23 16:08:41 2015
@@ -146,7 +146,6 @@ void LinkerDriver::createFiles(opt::Inpu
   Config->NoInhibitExec = Args.hasArg(OPT_noinhibit_exec);
   Config->NoUndefined = Args.hasArg(OPT_no_undefined);
   Config->Shared = Args.hasArg(OPT_shared);
-  Config->StripAll = Args.hasArg(OPT_strip_all);
   Config->Verbose = Args.hasArg(OPT_verbose);
 
   Config->DynamicLinker = getString(Args, OPT_dynamic_linker);

Modified: lld/trunk/ELF/Options.td
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/Options.td?rev=251148&r1=251147&r2=251148&view=diff
==============================================================================
--- lld/trunk/ELF/Options.td (original)
+++ lld/trunk/ELF/Options.td Fri Oct 23 16:08:41 2015
@@ -90,9 +90,6 @@ def shared : Flag<["-"], "shared">,
 def soname : Joined<["-"], "soname=">,
   HelpText<"Set DT_SONAME">;
 
-def strip_all : Flag<["--"], "strip-all">,
-  HelpText<"Strip all symbols">;
-
 def sysroot : Joined<["--"], "sysroot=">,
   HelpText<"Set the system root">;
 
@@ -127,7 +124,6 @@ def alias_shared_Bshareable : Flag<["-"]
 def alias_soname_h : Separate<["-"], "h">, Alias<soname>;
 def alias_soname_soname : Separate<["-"], "soname">, Alias<soname>;
 def alias_script_T : Separate<["-"], "T">, Alias<script>;
-def alias_strip_all: Flag<["-"], "s">, Alias<strip_all>;
 def alias_undefined_u : Separate<["-"], "u">, Alias<undefined>;
 
 // Options listed below are silently ignored now.
@@ -139,6 +135,7 @@ def no_add_needed : Flag<["--"], "no-add
 def no_fatal_warnings : Flag<["--"], "no-fatal-warnings">;
 def no_warn_mismatch : Flag<["--"], "no-warn-mismatch">;
 def start_group : Flag<["--"], "start-group">;
+def strip_all : Flag<["--"], "strip-all">;
 def version_script : Separate<["--"], "version-script">;
 def warn_common : Flag<["--"], "warn-common">;
 def warn_shared_textrel : Flag<["--"], "warn-shared-textrel">;

Modified: lld/trunk/ELF/Writer.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/Writer.cpp?rev=251148&r1=251147&r2=251148&view=diff
==============================================================================
--- lld/trunk/ELF/Writer.cpp (original)
+++ lld/trunk/ELF/Writer.cpp Fri Oct 23 16:08:41 2015
@@ -97,8 +97,7 @@ template <class ELFT> void lld::elf2::wr
   StringTableSection<ELFT> ShStrTab(".shstrtab", false);
   Out<ELFT>::ShStrTab = &ShStrTab;
   StringTableSection<ELFT> StrTab(".strtab", false);
-  if (!Config->StripAll)
-    Out<ELFT>::StrTab = &StrTab;
+  Out<ELFT>::StrTab = &StrTab;
   StringTableSection<ELFT> DynStrTab(".dynstr", true);
   Out<ELFT>::DynStrTab = &DynStrTab;
   OutputSection<ELFT> Bss(".bss", SHT_NOBITS, SHF_ALLOC | SHF_WRITE);
@@ -110,11 +109,8 @@ template <class ELFT> void lld::elf2::wr
     Out<ELFT>::GotPlt = &GotPlt;
   PltSection<ELFT> Plt;
   Out<ELFT>::Plt = &Plt;
-  std::unique_ptr<SymbolTableSection<ELFT>> SymTab;
-  if (!Config->StripAll) {
-    SymTab.reset(new SymbolTableSection<ELFT>(*Symtab, *Out<ELFT>::StrTab));
-    Out<ELFT>::SymTab = SymTab.get();
-  }
+  SymbolTableSection<ELFT> SymTab(*Symtab, *Out<ELFT>::StrTab);
+  Out<ELFT>::SymTab = &SymTab;
   SymbolTableSection<ELFT> DynSymTab(*Symtab, *Out<ELFT>::DynStrTab);
   Out<ELFT>::DynSymTab = &DynSymTab;
   HashTableSection<ELFT> HashTab;
@@ -290,8 +286,7 @@ template <class ELFT> void Writer<ELFT>:
       StringRef SymName = *SymNameOrErr;
       if (!shouldKeepInSymtab<ELFT>(*F, SymName, Sym))
         continue;
-      if (Out<ELFT>::SymTab)
-        Out<ELFT>::SymTab->addLocalSymbol(SymName);
+      Out<ELFT>::SymTab->addLocalSymbol(SymName);
     }
   }
 }
@@ -517,8 +512,7 @@ template <class ELFT> void Writer<ELFT>:
       CommonSymbols.push_back(C);
     if (!includeInSymtab<ELFT>(*Body))
       continue;
-    if (Out<ELFT>::SymTab)
-      Out<ELFT>::SymTab->addSymbol(Body);
+    Out<ELFT>::SymTab->addSymbol(Body);
 
     if (isOutputDynamic() && includeInDynamicSymtab(*Body))
       Out<ELFT>::DynSymTab->addSymbol(Body);
@@ -527,11 +521,9 @@ template <class ELFT> void Writer<ELFT>:
 
   // This order is not the same as the final output order
   // because we sort the sections using their attributes below.
-  if (Out<ELFT>::SymTab)
-    OutputSections.push_back(Out<ELFT>::SymTab);
+  OutputSections.push_back(Out<ELFT>::SymTab);
   OutputSections.push_back(Out<ELFT>::ShStrTab);
-  if (Out<ELFT>::StrTab)
-    OutputSections.push_back(Out<ELFT>::StrTab);
+  OutputSections.push_back(Out<ELFT>::StrTab);
   if (isOutputDynamic()) {
     OutputSections.push_back(Out<ELFT>::DynSymTab);
     if (Out<ELFT>::GnuHashTab)

Removed: lld/trunk/test/elf2/strip-all.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/elf2/strip-all.s?rev=251147&view=auto
==============================================================================
--- lld/trunk/test/elf2/strip-all.s (original)
+++ lld/trunk/test/elf2/strip-all.s (removed)
@@ -1,25 +0,0 @@
-# REQUIRES: x86
-
-# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t
-# RUN: ld.lld2 %t -o %t1
-#RUN: llvm-objdump -section-headers %t1 | FileCheck %s -check-prefix BEFORE
-#BEFORE:       4 .symtab 00000030
-#BEFORE-NEXT:  5 .shstrtab 0000002c
-#BEFORE-NEXT:  6 .strtab 00000008
-
-#RUN: ld.lld2 %t.o -e main --strip-all -o %t1
-#RUN: llvm-objdump -section-headers %t1 | FileCheck %s -check-prefix AFTER
-#AFTER-NOT: .symtab
-#AFTER: 7 .shstrtab 0000003f
-#AFTER-NOT: .strtab
-
-# Test alias -s
-#RUN: ld.lld2 %t.o -e main -s -o %t1
-#RUN: llvm-objdump -section-headers %t1 | FileCheck %s -check-prefix AFTER
-
-# exits with return code 42 on linux
-.globl _start;
-_start:
-  mov $60, %rax
-  mov $42, %rdi
-  syscall




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