From: Joerg Sonnenberger <joerg@bec.de>
Date: Tue, 29 Apr 2014 13:42:02 +0000 (+0000)
Subject: Parse and create GOT_PREL relocations.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;ds=sidebyside;h=edc45954721e8fb27537319dc276f0b2dddf2863;p=oota-llvm.git

Parse and create GOT_PREL relocations.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@207526 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/MC/MCExpr.cpp b/lib/MC/MCExpr.cpp
index 5a45c652660..60b14ad53ee 100644
--- a/lib/MC/MCExpr.cpp
+++ b/lib/MC/MCExpr.cpp
@@ -285,6 +285,8 @@ MCSymbolRefExpr::getVariantKindForName(StringRef Name) {
     .Case("gotoff", VK_GOTOFF)
     .Case("GOTPCREL", VK_GOTPCREL)
     .Case("gotpcrel", VK_GOTPCREL)
+    .Case("GOT_PREL", VK_GOTPCREL)
+    .Case("got_prel", VK_GOTPCREL)
     .Case("GOTTPOFF", VK_GOTTPOFF)
     .Case("gottpoff", VK_GOTTPOFF)
     .Case("INDNTPOFF", VK_INDNTPOFF)
diff --git a/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp b/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp
index a4661b1a4fb..a6f7258e651 100644
--- a/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp
+++ b/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp
@@ -91,6 +91,9 @@ unsigned ARMELFObjectWriter::GetRelocTypeInner(const MCValue &Target,
       case MCSymbolRefExpr::VK_GOTTPOFF:
         Type = ELF::R_ARM_TLS_IE32;
         break;
+      case MCSymbolRefExpr::VK_GOTPCREL:
+        Type = ELF::R_ARM_GOT_PREL;
+        break;
       }
       break;
     case ARM::fixup_arm_blx:
@@ -167,6 +170,9 @@ unsigned ARMELFObjectWriter::GetRelocTypeInner(const MCValue &Target,
       case MCSymbolRefExpr::VK_GOTOFF:
         Type = ELF::R_ARM_GOTOFF32;
         break;
+      case MCSymbolRefExpr::VK_GOTPCREL:
+        Type = ELF::R_ARM_GOT_PREL;
+        break;
       case MCSymbolRefExpr::VK_ARM_TARGET1:
         Type = ELF::R_ARM_TARGET1;
         break;
diff --git a/test/MC/ARM/symbol-variants.s b/test/MC/ARM/symbol-variants.s
index e1036a33e31..a10fe5029e0 100644
--- a/test/MC/ARM/symbol-variants.s
+++ b/test/MC/ARM/symbol-variants.s
@@ -2,6 +2,7 @@
 @ RUN: llvm-mc < %s -triple thumbv7-none-linux-gnueabi -filetype=obj  | llvm-objdump -triple thumbv7-none-linux-gnueabi -r - | FileCheck %s --check-prefix=CHECK --check-prefix=THUMB
 
 @ CHECK-LABEL: RELOCATION RECORDS FOR [.rel.text]
+.Lsym:
 
 @ empty
 .word f00
@@ -83,3 +84,8 @@ bl f05(plt)
 @ CHECK: 60 R_ARM_TLS_GOTDESC f24
 @ CHECK: 64 R_ARM_TLS_GOTDESC f25
 
+@ got_prel
+.word	f26(GOT_PREL) + (. - .Lsym)
+	ldr r3, =f27(GOT_PREL)
+@ CHECK: 68 R_ARM_GOT_PREL f26
+@ CHECK: 70 R_ARM_GOT_PREL f27