From: Saleem Abdulrasool <compnerd@compnerd.org>
Date: Fri, 9 Jan 2015 05:59:12 +0000 (+0000)
Subject: ARM: add support for R_ARM_ABS8 relocations
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=ea4fe48b2240b74d290c3de1f1ade82ec649e5df;p=oota-llvm.git

ARM: add support for R_ARM_ABS8 relocations

Add support for R_ARM_ABS8 relocation.  Addresses PR22126.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225507 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp b/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp
index 45e02338e8d..0489caa69a3 100644
--- a/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp
+++ b/lib/Target/ARM/MCTargetDesc/ARMELFObjectWriter.cpp
@@ -148,6 +148,14 @@ unsigned ARMELFObjectWriter::GetRelocTypeInner(const MCValue &Target,
   } else {
     switch ((unsigned)Fixup.getKind()) {
     default: llvm_unreachable("invalid fixup kind!");
+    case FK_Data_1:
+      switch (Modifier) {
+      default: llvm_unreachable("unsupported Modifier");
+      case MCSymbolRefExpr::VK_None:
+        Type = ELF::R_ARM_ABS8;
+        break;
+      }
+      break;
     case FK_Data_4:
       switch (Modifier) {
       default: llvm_unreachable("Unsupported Modifier");
diff --git a/test/MC/ARM/reloc-abs8.s b/test/MC/ARM/reloc-abs8.s
new file mode 100644
index 00000000000..716f0ff21df
--- /dev/null
+++ b/test/MC/ARM/reloc-abs8.s
@@ -0,0 +1,10 @@
+@ RUN: llvm-mc -triple armv7-eabi -filetype obj -o - %s | llvm-objdump -r - \
+@ RUN:     | FileCheck %s
+
+	.syntax unified
+
+	.byte abs8_0 -128
+	.byte abs8_1 +255
+
+@ CHECK: 0 R_ARM_ABS8 abs8_0
+@ CHECK: 1 R_ARM_ABS8 abs8_1