[lld] r334851 - [ELF][MIPS] Fix stable_sort predicate to satisfy strict-ordering requirement. NFC

Simon Atanasyan via llvm-commits llvm-commits at lists.llvm.org
Fri Jun 15 11:15:27 PDT 2018


Author: atanasyan
Date: Fri Jun 15 11:15:26 2018
New Revision: 334851

URL: http://llvm.org/viewvc/llvm-project?rev=334851&view=rev
Log:
[ELF][MIPS] Fix stable_sort predicate to satisfy strict-ordering requirement. NFC

Fix for PR37785.

Modified:
    lld/trunk/ELF/SyntheticSections.cpp
    lld/trunk/test/ELF/mips-dynamic.s
    lld/trunk/test/ELF/mips-mgot.s
    lld/trunk/test/ELF/mips-sto-plt.s
    lld/trunk/test/ELF/mips-tls-64.s
    lld/trunk/test/ELF/mips-tls.s

Modified: lld/trunk/ELF/SyntheticSections.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/SyntheticSections.cpp?rev=334851&r1=334850&r2=334851&view=diff
==============================================================================
--- lld/trunk/ELF/SyntheticSections.cpp (original)
+++ lld/trunk/ELF/SyntheticSections.cpp Fri Jun 15 11:15:26 2018
@@ -1703,10 +1703,12 @@ SymbolTableBaseSection::SymbolTableBaseS
 static bool sortMipsSymbols(const SymbolTableEntry &L,
                             const SymbolTableEntry &R) {
   // Sort entries related to non-local preemptible symbols by GOT indexes.
-  // All other entries go to the first part of GOT in arbitrary order.
-  if (!L.Sym->isInGot() || !R.Sym->isInGot())
-    return !L.Sym->isInGot();
-  return L.Sym->GotIndex < R.Sym->GotIndex;
+  // All other entries go to the beginning of a dynsym in arbitrary order.
+  if (L.Sym->isInGot() && R.Sym->isInGot())
+    return L.Sym->GotIndex < R.Sym->GotIndex;
+  if (!L.Sym->isInGot() && !R.Sym->isInGot())
+    return false;
+  return !L.Sym->isInGot();
 }
 
 void SymbolTableBaseSection::finalizeContents() {

Modified: lld/trunk/test/ELF/mips-dynamic.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/mips-dynamic.s?rev=334851&r1=334850&r2=334851&view=diff
==============================================================================
--- lld/trunk/test/ELF/mips-dynamic.s (original)
+++ lld/trunk/test/ELF/mips-dynamic.s Fri Jun 15 11:15:26 2018
@@ -99,8 +99,8 @@
 # DSO:      ]
 # DSO:      DynamicSymbols [
 # DSO:          Name: @
-# DSO:          Name: _foo@
 # DSO:          Name: __start@
+# DSO:          Name: _foo@
 # DSO:      ]
 # DSO:      DynamicSection [
 # DSO-NEXT:   Tag        Type                 Name/Value

Modified: lld/trunk/test/ELF/mips-mgot.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/mips-mgot.s?rev=334851&r1=334850&r2=334851&view=diff
==============================================================================
--- lld/trunk/test/ELF/mips-mgot.s (original)
+++ lld/trunk/test/ELF/mips-mgot.s Fri Jun 15 11:15:26 2018
@@ -47,13 +47,13 @@
 # GOT-NEXT:     0x6005C R_MIPS_REL32 foo0 0x0
 # GOT-NEXT:     0x60060 R_MIPS_REL32 foo2 0x0
 # GOT-NEXT:     0x6003C R_MIPS_TLS_DTPMOD32 - 0x0
-# GOT-NEXT:     0x60030 R_MIPS_TLS_TPREL32 tls1 0x0
 # GOT-NEXT:     0x6002C R_MIPS_TLS_TPREL32 tls0 0x0
 # GOT-NEXT:     0x60034 R_MIPS_TLS_DTPMOD32 tls0 0x0
 # GOT-NEXT:     0x60038 R_MIPS_TLS_DTPREL32 tls0 0x0
 # GOT-NEXT:     0x60064 R_MIPS_TLS_TPREL32 tls0 0x0
 # GOT-NEXT:     0x60068 R_MIPS_TLS_DTPMOD32 tls0 0x0
 # GOT-NEXT:     0x6006C R_MIPS_TLS_DTPREL32 tls0 0x0
+# GOT-NEXT:     0x60030 R_MIPS_TLS_TPREL32 tls1 0x0
 # GOT-NEXT:   }
 # GOT-NEXT: ]
 

Modified: lld/trunk/test/ELF/mips-sto-plt.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/mips-sto-plt.s?rev=334851&r1=334850&r2=334851&view=diff
==============================================================================
--- lld/trunk/test/ELF/mips-sto-plt.s (original)
+++ lld/trunk/test/ELF/mips-sto-plt.s Fri Jun 15 11:15:26 2018
@@ -10,23 +10,23 @@
 # REQUIRES: mips
 
 # CHECK:      Symbol {
-# CHECK:        Name: foo1@
-# CHECK-NEXT:   Value: 0x[[FOO1:[0-9A-F]+]]
+# CHECK:        Name: foo0@
+# CHECK-NEXT:   Value: 0x0
 # CHECK-NEXT:   Size: 0
 # CHECK-NEXT:   Binding: Global
 # CHECK-NEXT:   Type: Function
-# CHECK-NEXT:   Other [ (0x8)
-# CHECK-NEXT:     STO_MIPS_PLT
-# CHECK-NEXT:   ]
+# CHECK-NEXT:   Other: 0
 # CHECK-NEXT:   Section: Undefined
 # CHECK-NEXT: }
-# CHECK:      Symbol {
-# CHECK:        Name: foo0@
-# CHECK-NEXT:   Value: 0x0
+# CHECK-NEXT: Symbol {
+# CHECK-NEXT:   Name: foo1@
+# CHECK-NEXT:   Value: 0x[[FOO1:[0-9A-F]+]]
 # CHECK-NEXT:   Size: 0
 # CHECK-NEXT:   Binding: Global
 # CHECK-NEXT:   Type: Function
-# CHECK-NEXT:   Other: 0
+# CHECK-NEXT:   Other [ (0x8)
+# CHECK-NEXT:     STO_MIPS_PLT
+# CHECK-NEXT:   ]
 # CHECK-NEXT:   Section: Undefined
 # CHECK-NEXT: }
 

Modified: lld/trunk/test/ELF/mips-tls-64.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/mips-tls-64.s?rev=334851&r1=334850&r2=334851&view=diff
==============================================================================
--- lld/trunk/test/ELF/mips-tls-64.s (original)
+++ lld/trunk/test/ELF/mips-tls-64.s Fri Jun 15 11:15:26 2018
@@ -68,12 +68,12 @@
 # SO:      Relocations [
 # SO-NEXT:   Section (7) .rel.dyn {
 # SO-NEXT:     0x20030 R_MIPS_TLS_DTPMOD64/R_MIPS_NONE/R_MIPS_NONE - 0x0
-# SO-NEXT:     0x20010 R_MIPS_TLS_TPREL64/R_MIPS_NONE/R_MIPS_NONE foo 0x0
-# SO-NEXT:     0x20020 R_MIPS_TLS_DTPMOD64/R_MIPS_NONE/R_MIPS_NONE foo 0x0
-# SO-NEXT:     0x20028 R_MIPS_TLS_DTPREL64/R_MIPS_NONE/R_MIPS_NONE foo 0x0
 # SO-NEXT:     0x20018 R_MIPS_TLS_TPREL64/R_MIPS_NONE/R_MIPS_NONE bar 0x0
 # SO-NEXT:     0x20040 R_MIPS_TLS_DTPMOD64/R_MIPS_NONE/R_MIPS_NONE bar 0x0
 # SO-NEXT:     0x20048 R_MIPS_TLS_DTPREL64/R_MIPS_NONE/R_MIPS_NONE bar 0x0
+# SO-NEXT:     0x20010 R_MIPS_TLS_TPREL64/R_MIPS_NONE/R_MIPS_NONE foo 0x0
+# SO-NEXT:     0x20020 R_MIPS_TLS_DTPMOD64/R_MIPS_NONE/R_MIPS_NONE foo 0x0
+# SO-NEXT:     0x20028 R_MIPS_TLS_DTPREL64/R_MIPS_NONE/R_MIPS_NONE foo 0x0
 # SO-NEXT:   }
 # SO-NEXT: ]
 # SO-NEXT: Primary GOT {

Modified: lld/trunk/test/ELF/mips-tls.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/mips-tls.s?rev=334851&r1=334850&r2=334851&view=diff
==============================================================================
--- lld/trunk/test/ELF/mips-tls.s (original)
+++ lld/trunk/test/ELF/mips-tls.s Fri Jun 15 11:15:26 2018
@@ -64,12 +64,12 @@
 # SO:      Relocations [
 # SO-NEXT:   Section (7) .rel.dyn {
 # SO-NEXT:     0x20018 R_MIPS_TLS_DTPMOD32 - 0x0
-# SO-NEXT:     0x20008 R_MIPS_TLS_TPREL32 foo 0x0
-# SO-NEXT:     0x20010 R_MIPS_TLS_DTPMOD32 foo 0x0
-# SO-NEXT:     0x20014 R_MIPS_TLS_DTPREL32 foo 0x0
 # SO-NEXT:     0x2000C R_MIPS_TLS_TPREL32 bar 0x0
 # SO-NEXT:     0x20020 R_MIPS_TLS_DTPMOD32 bar 0x0
 # SO-NEXT:     0x20024 R_MIPS_TLS_DTPREL32 bar 0x0
+# SO-NEXT:     0x20008 R_MIPS_TLS_TPREL32 foo 0x0
+# SO-NEXT:     0x20010 R_MIPS_TLS_DTPMOD32 foo 0x0
+# SO-NEXT:     0x20014 R_MIPS_TLS_DTPREL32 foo 0x0
 # SO-NEXT:   }
 # SO-NEXT: ]
 # SO-NEXT: Primary GOT {




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