[lld] r305040 - Add a test for R_386_PC16 range checking.

[Rafael Espindola via llvm-commits]

Author: rafael
Date: Thu Jun  8 19:48:55 2017
New Revision: 305040

URL: http://llvm.org/viewvc/llvm-project?rev=305040&view=rev
Log:
Add a test for R_386_PC16 range checking.

Added:
    lld/trunk/test/ELF/i386-reloc-range.s

Added: lld/trunk/test/ELF/i386-reloc-range.s
URL: http://llvm.org/viewvc/llvm-project/lld/trunk/test/ELF/i386-reloc-range.s?rev=305040&view=auto
==============================================================================
--- lld/trunk/test/ELF/i386-reloc-range.s (added)
+++ lld/trunk/test/ELF/i386-reloc-range.s Thu Jun  8 19:48:55 2017
@@ -0,0 +1,22 @@
+// RUN: llvm-mc %s -o %t.o -triple i386-pc-linux-code16 -filetype=obj
+
+// RUN: echo ".global foo; foo = 0x8202" > %t1.s
+// RUN: llvm-mc %t1.s -o %t1.o -triple i386-pc-linux -filetype=obj
+// RUN: echo ".global foo; foo = 0x8203" > %t2.s
+// RUN: llvm-mc %t2.s -o %t2.o -triple i386-pc-linux -filetype=obj
+
+// RUN: ld.lld -Ttext 0x200 %t.o %t1.o -o %t1
+// RUN: llvm-objdump -d -triple=i386-pc-linux-code16 %t | FileCheck %s
+
+// CHECK:        Disassembly of section .text:
+// CHECK-NEXT: _start:
+// CHECK-NEXT:      200:       e9 ff 7f        jmp     32767
+//                                   0x8202 - 0x203 == 32767
+
+// RUN: not ld.lld -Ttext 0x200 %t.o %t2.o -o %t2 2>&1 | FileCheck --check-prefix=ERR %s
+
+// ERR: {{.*}}:(.text+0x1): relocation R_386_PC16 out of range
+
+        .global _start
+_start:
+        jmp foo