Handle X86::reloc_riprel_4byte in 32 bits mode.

We can get there with .code64.

Fixes pr22349.

llvm-svn: 232651

llvm/lib/Target/X86/MCTargetDesc/X86ELFObjectWriter.cpp

@@ -191,6 +191,7 @@ unsigned X86ELFObjectWriter::GetRelocType(const MCValue &Target,
         }
         break;
 
+      case X86::reloc_riprel_4byte:
       case X86::reloc_signed_4byte:
       case FK_PCRel_4:
       case FK_Data_4:

llvm/test/MC/ELF/relocation-386.s

@@ -65,6 +65,7 @@
 // CHECK-NEXT:     0xA3         R_386_GOTOFF     und_symbol 0x0
 // Relocation 29 (zed@PLT) is of type R_386_PLT32 and uses the symbol
 // CHECK-NEXT:     0xA9         R_386_PLT32      zed 0x0
+// CHECK-NEXT:     0xAF         R_386_PC32       tr_start 0x0
 // CHECK-NEXT:   }
 // CHECK-NEXT: ]
 
@@ -133,6 +134,9 @@ bar2:
         leal 1 + und_symbol@GOTOFF, %edi
         movl zed@PLT(%eax), %eax
 
+        .code64
+        jmpq *tr_start(%rip)
+
         .section        zedsec,"awT",@progbits
 zed:
         .long 0