[lld] r340693 - [ELF][HEXAGON] Add R_HEX_B13_PCREL relocation support

[Sid Manning via llvm-commits]

Author: sidneym
Date: Sat Aug 25 16:16:37 2018
New Revision: 340693

URL: http://llvm.org/viewvc/llvm-project?rev=340693&view=rev
Log:
[ELF][HEXAGON] Add R_HEX_B13_PCREL relocation support

Differential Revision: https://reviews.llvm.org/D51166

Modified:
    lld/trunk/ELF/Arch/Hexagon.cpp
    lld/trunk/test/ELF/hexagon.s

Modified: lld/trunk/ELF/Arch/Hexagon.cpp
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/ELF/Arch/Hexagon.cpp?rev=340693&r1=340692&r2=340693&view=diff
==============================================================================
--- lld/trunk/ELF/Arch/Hexagon.cpp (original)
+++ lld/trunk/ELF/Arch/Hexagon.cpp Sat Aug 25 16:16:37 2018
@@ -55,6 +55,7 @@ RelExpr Hexagon::getRelExpr(RelType Type
   switch (Type) {
   case R_HEX_B9_PCREL:
   case R_HEX_B9_PCREL_X:
+  case R_HEX_B13_PCREL:
   case R_HEX_B15_PCREL:
   case R_HEX_B15_PCREL_X:
   case R_HEX_B22_PCREL:
@@ -160,6 +161,9 @@ void Hexagon::relocateOne(uint8_t *Loc,
   case R_HEX_B9_PCREL_X:
     or32le(Loc, applyMask(0x003000fe, Val & 0x3f));
     break;
+  case R_HEX_B13_PCREL:
+    or32le(Loc, applyMask(0x00202ffe, Val >> 2));
+    break;
   case R_HEX_B15_PCREL:
     or32le(Loc, applyMask(0x00df20fe, Val >> 2));
     break;

Modified: lld/trunk/test/ELF/hexagon.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/hexagon.s?rev=340693&r1=340692&r2=340693&view=diff
==============================================================================
--- lld/trunk/test/ELF/hexagon.s (original)
+++ lld/trunk/test/ELF/hexagon.s Sat Aug 25 16:16:37 2018
@@ -202,3 +202,7 @@ r0 = add(r1, ##_start)
 # R_HEX_B9_PCREL_X:
 {r0=#1 ; jump ##_start}
 # CHECK: jump 0x11000
+
+# R_HEX_B13_PCREL
+if (r0 == #0) jump:t #_start
+# CHECK: if (r0==#0) jump:t 0x11000