[ELF][HEXAGON] Add R_HEX_B15_PCREL_X relocation

Sid Manning · Sid Manning · commit 3241724536b2 · 2018-07-24T15:08:13.000Z
Update testcase Differential Revision: https://reviews.llvm.org/D49567 llvm-svn: 337829
diff --git a/lld/ELF/Arch/Hexagon.cpp b/lld/ELF/Arch/Hexagon.cpp
@@ -54,6 +54,7 @@ RelExpr Hexagon::getRelExpr(RelType Type, const Symbol &S,
                             const uint8_t *Loc) const {
   switch (Type) {
   case R_HEX_B15_PCREL:
+  case R_HEX_B15_PCREL_X:
   case R_HEX_B22_PCREL:
   case R_HEX_B22_PCREL_X:
   case R_HEX_B32_PCREL_X:
@@ -72,6 +73,9 @@ void Hexagon::relocateOne(uint8_t *Loc, RelType Type, uint64_t Val) const {
   case R_HEX_B15_PCREL:
     or32le(Loc, applyMask(0x00df20fe, Val >> 2));
     break;
+  case R_HEX_B15_PCREL_X:
+    or32le(Loc, applyMask(0x00df20fe, Val & 0x3f));
+    break;
   case R_HEX_B22_PCREL:
     or32le(Loc, applyMask(0x1ff3ffe, Val >> 2));
     break;
diff --git a/lld/test/ELF/hexagon.s b/lld/test/ELF/hexagon.s
@@ -8,6 +8,11 @@
 if (p0) jump:nt #_start
 # CHECK: if (p0) jump:nt 0x11000
 
+# R_HEX_B32_PCREL_X
+# R_HEX_B15_PCREL_X
+if (p0) jump:nt ##_start
+# CHECK: if (p0) jump:nt 0x11000
+
 # R_HEX_B22_PCREL
 call #_start
 # CHECK: call 0x11000
