[PATCH] D20169: [ELF] implemented -z defs option
George Rimar via llvm-commits
llvm-commits at lists.llvm.org
Wed May 11 06:54:45 PDT 2016
This revision was automatically updated to reflect the committed changes.
Closed by commit rL269183: [ELF] implemented -z defs option (authored by grimar).
Changed prior to commit:
http://reviews.llvm.org/D20169?vs=56902&id=56904#toc
Repository:
rL LLVM
http://reviews.llvm.org/D20169
Files:
lld/trunk/ELF/Config.h
lld/trunk/ELF/Driver.cpp
lld/trunk/ELF/Writer.cpp
lld/trunk/test/ELF/zdefs.s
Index: lld/trunk/test/ELF/zdefs.s
===================================================================
--- lld/trunk/test/ELF/zdefs.s
+++ lld/trunk/test/ELF/zdefs.s
@@ -0,0 +1,7 @@
+# RUN: llvm-mc -filetype=obj -triple=x86_64-unknown-linux %s -o %t.o
+# RUN: ld.lld -shared %t.o -o %t1.so
+
+# RUN: not ld.lld -z defs -shared %t.o -o %t1.so 2>&1 | FileCheck -check-prefix=ERR %s
+# ERR: undefined symbol: foo
+
+callq foo at PLT
Index: lld/trunk/ELF/Config.h
===================================================================
--- lld/trunk/ELF/Config.h
+++ lld/trunk/ELF/Config.h
@@ -89,6 +89,7 @@
bool VersionScript = false;
bool WarnCommon;
bool ZCombreloc;
+ bool ZDefs;
bool ZExecStack;
bool ZNodelete;
bool ZNow;
Index: lld/trunk/ELF/Driver.cpp
===================================================================
--- lld/trunk/ELF/Driver.cpp
+++ lld/trunk/ELF/Driver.cpp
@@ -353,6 +353,7 @@
error("number of threads must be > 0");
Config->ZCombreloc = !hasZOption(Args, "nocombreloc");
+ Config->ZDefs = hasZOption(Args, "defs");
Config->ZExecStack = hasZOption(Args, "execstack");
Config->ZNodelete = hasZOption(Args, "nodelete");
Config->ZNow = hasZOption(Args, "now");
Index: lld/trunk/ELF/Writer.cpp
===================================================================
--- lld/trunk/ELF/Writer.cpp
+++ lld/trunk/ELF/Writer.cpp
@@ -793,7 +793,7 @@
if (!Config->NoUndefined) {
if (Config->Relocatable)
return;
- if (Config->Shared)
+ if (Config->Shared && !Config->ZDefs)
if (Sym->symbol()->Visibility == STV_DEFAULT)
return;
}
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