[PATCH] D33100: [ELF} - Don't allow R_X86_64_TPOFF32 dynamic relocation when linking PIC

[George Rimar via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL302881: [ELF] - Don't allow R_X86_64_TPOFF32 dynamic relocation when linking PIC (authored by grimar).

Changed prior to commit:
  https://reviews.llvm.org/D33100?vs=98628&id=98732#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D33100

Files:
  lld/trunk/ELF/Target.cpp
  lld/trunk/test/ELF/x86-64-reloc-tpoff32-fpic.s


Index: lld/trunk/test/ELF/x86-64-reloc-tpoff32-fpic.s
===================================================================
--- lld/trunk/test/ELF/x86-64-reloc-tpoff32-fpic.s
+++ lld/trunk/test/ELF/x86-64-reloc-tpoff32-fpic.s
@@ -0,0 +1,14 @@
+# REQUIRES: x86
+# RUN: llvm-mc -filetype=obj -triple=x86_64-pc-linux %s -o %t.o
+# RUN: not ld.lld %t.o -shared -o %t.so 2>&1 | FileCheck %s
+
+# CHECK: relocation R_X86_64_TPOFF32 cannot be used against shared object; recompile with -fPIC
+# CHECK: >>> defined in {{.*}}.o
+# CHECK: >>> referenced by {{.*}}.o:(.tdata+0xC)
+
+.section ".tdata", "awT", @progbits
+.globl var
+var:
+
+movq %fs:0, %rax
+leaq var at TPOFF(%rax),%rax
Index: lld/trunk/ELF/Target.cpp
===================================================================
--- lld/trunk/ELF/Target.cpp
+++ lld/trunk/ELF/Target.cpp
@@ -760,7 +760,8 @@
 
 template <class ELFT>
 bool X86_64TargetInfo<ELFT>::isPicRel(uint32_t Type) const {
-  return Type != R_X86_64_PC32 && Type != R_X86_64_32;
+  return Type != R_X86_64_PC32 && Type != R_X86_64_32 &&
+         Type != R_X86_64_TPOFF32;
 }
 
 template <class ELFT>


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