[PATCH] D32617: [mips] Emit R_MICROMIPS_TLS_GOTTPREL relocation for %gottprel in case of microMIPS

Simon Atanasyan via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Sat Apr 29 21:40:32 PDT 2017


This revision was automatically updated to reflect the committed changes.
Closed by commit rL301763: [mips] Emit R_MICROMIPS_TLS_GOTTPREL relocation for %gottprel in case of… (authored by atanasyan).

Changed prior to commit:
  https://reviews.llvm.org/D32617?vs=97001&id=97205#toc

Repository:
  rL LLVM

https://reviews.llvm.org/D32617

Files:
  llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
  llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp
  llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsFixupKinds.h
  llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
  llvm/trunk/test/MC/Mips/relocation.s


Index: llvm/trunk/test/MC/Mips/relocation.s
===================================================================
--- llvm/trunk/test/MC/Mips/relocation.s
+++ llvm/trunk/test/MC/Mips/relocation.s
@@ -318,7 +318,7 @@
                                            // ENCLE: addiu $2, $2, %lo(bar) # encoding: [0x42'A',0x30'A',0x00,0x00]
                                            // FIXUP: # fixup A - offset: 0, value: %lo(bar), kind: fixup_MICROMIPS_LO16
 
-// DATA-NEXT:  0010: 30430000 30420004 30430001 30420030
+// DATA-NEXT:  0010: 30430000 30420004 30430001 30420034
         addiu $2, $3, %got(baz)            // RELOC: R_MICROMIPS_GOT16 .text
                                            // ENCBE: addiu $2, $3, %got(baz) # encoding: [0x30,0x43,A,A]
                                            // The placement of the 'A' annotations is incorrect. They use 32-bit little endian instead of 2x 16-bit little endian.
@@ -377,5 +377,11 @@
                                            // ENCLE: addiu $2, $2, %lo(bar) # encoding: [0x42'A',0x30'A',0x00,0x00]
                                            // FIXUP: # fixup A - offset: 0, value: %lo(bar), kind: fixup_MICROMIPS_LO16
 
+// DATA-NEXT:  0040: 30430000 00000000 00000000 00000000
+        addiu $2, $3, %gottprel(foo)       // RELOC: R_MICROMIPS_TLS_GOTTPREL foo
+                                           // ENCBE: addiu $2, $3, %gottprel(foo) # encoding: [0x30,0x43,A,A]
+                                           // ENCLE: addiu $2, $3, %gottprel(foo) # encoding: [0x43'A',0x30'A',0x00,0x00]
+                                           // FIXUP: # fixup A - offset: 0, value: %gottprel(foo), kind: fixup_MICROMIPS_GOTTPREL
+
         .space 65520, 0
 long_mm:
Index: llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp
===================================================================
--- llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp
+++ llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsELFObjectWriter.cpp
@@ -374,6 +374,8 @@
     return ELF::R_MICROMIPS_TLS_DTPREL_HI16;
   case Mips::fixup_MICROMIPS_TLS_DTPREL_LO16:
     return ELF::R_MICROMIPS_TLS_DTPREL_LO16;
+  case Mips::fixup_MICROMIPS_GOTTPREL:
+    return ELF::R_MICROMIPS_TLS_GOTTPREL;
   case Mips::fixup_MICROMIPS_TLS_TPREL_HI16:
     return ELF::R_MICROMIPS_TLS_TPREL_HI16;
   case Mips::fixup_MICROMIPS_TLS_TPREL_LO16:
Index: llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsFixupKinds.h
===================================================================
--- llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsFixupKinds.h
+++ llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsFixupKinds.h
@@ -203,6 +203,9 @@
     // resulting in - R_MICROMIPS_TLS_DTPREL_LO16
     fixup_MICROMIPS_TLS_DTPREL_LO16,
 
+    // resulting in - R_MICROMIPS_TLS_GOTTPREL.
+    fixup_MICROMIPS_GOTTPREL,
+
     // resulting in - R_MICROMIPS_TLS_TPREL_HI16
     fixup_MICROMIPS_TLS_TPREL_HI16,
 
Index: llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
===================================================================
--- llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
+++ llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsAsmBackend.cpp
@@ -366,6 +366,7 @@
     { "fixup_MICROMIPS_TLS_LDM",         0,     16,   0 },
     { "fixup_MICROMIPS_TLS_DTPREL_HI16", 0,     16,   0 },
     { "fixup_MICROMIPS_TLS_DTPREL_LO16", 0,     16,   0 },
+    { "fixup_MICROMIPS_GOTTPREL",        0,     16,   0 },
     { "fixup_MICROMIPS_TLS_TPREL_HI16",  0,     16,   0 },
     { "fixup_MICROMIPS_TLS_TPREL_LO16",  0,     16,   0 },
     { "fixup_Mips_SUB",                  0,     64,   0 },
@@ -437,6 +438,7 @@
     { "fixup_MICROMIPS_TLS_LDM",         16,     16,   0 },
     { "fixup_MICROMIPS_TLS_DTPREL_HI16", 16,     16,   0 },
     { "fixup_MICROMIPS_TLS_DTPREL_LO16", 16,     16,   0 },
+    { "fixup_MICROMIPS_GOTTPREL",        16,     16,   0 },
     { "fixup_MICROMIPS_TLS_TPREL_HI16",  16,     16,   0 },
     { "fixup_MICROMIPS_TLS_TPREL_LO16",  16,     16,   0 },
     { "fixup_Mips_SUB",                   0,     64,   0 },
Index: llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
===================================================================
--- llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
+++ llvm/trunk/lib/Target/Mips/MCTargetDesc/MipsMCCodeEmitter.cpp
@@ -669,7 +669,8 @@
                                    : Mips::fixup_Mips_DTPREL_LO;
       break;
     case MipsMCExpr::MEK_GOTTPREL:
-      FixupKind = Mips::fixup_Mips_GOTTPREL;
+      FixupKind = isMicroMips(STI) ? Mips::fixup_MICROMIPS_GOTTPREL
+                                   : Mips::fixup_Mips_GOTTPREL;
       break;
     case MipsMCExpr::MEK_GOT:
       FixupKind = isMicroMips(STI) ? Mips::fixup_MICROMIPS_GOT16


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