Vendor import of lld release_39 branch r276489:vendor/lld/lld-release_39-r276489

https://llvm.org/svn/llvm-project/lld/branches/release_39@276489

1 files changed, 95 insertions, 0 deletions

diff --git a/test/ELF/mips-26.s b/test/ELF/mips-26.s
new file mode 100644
index 000000000000..b463c1ac2127
--- /dev/null
+++ b/test/ELF/mips-26.s
@@ -0,0 +1,95 @@
+# Check R_MIPS_26 relocation handling.
+
+# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux %s -o %t1.o
+# RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
+# RUN:         %S/Inputs/mips-dynamic.s -o %t2.o
+# RUN: ld.lld %t2.o -shared -o %t.so
+# RUN: ld.lld %t1.o %t.so -o %t.exe
+# RUN: llvm-objdump -d %t.exe | FileCheck %s
+# RUN: llvm-readobj -dynamic-table -s -r -mips-plt-got %t.exe \
+# RUN:   | FileCheck -check-prefix=REL %s
+
+# REQUIRES: mips
+
+# CHECK:      Disassembly of section .text:
+# CHECK-NEXT: bar:
+# CHECK-NEXT:   20000:       0c 00 80 06     jal     131096 <loc>
+# CHECK-NEXT:   20004:       00 00 00 00     nop
+#
+# CHECK:      __start:
+# CHECK-NEXT:   20008:       0c 00 80 00     jal     131072 <bar>
+# CHECK-NEXT:   2000c:       00 00 00 00     nop
+# CHECK-NEXT:   20010:       0c 00 80 10     jal     131136
+#                                                    ^-- 0x20040 gotplt[foo0]
+# CHECK-NEXT:   20014:       00 00 00 00     nop
+#
+# CHECK:      loc:
+# CHECK-NEXT:   20018:       00 00 00 00     nop
+# CHECK-NEXT: Disassembly of section .plt:
+# CHECK-NEXT: .plt:
+# CHECK-NEXT:   20020:       3c 1c 00 04     lui     $gp, 4
+# CHECK-NEXT:   20024:       8f 99 00 04     lw      $25, 4($gp)
+# CHECK-NEXT:   20028:       27 9c 00 04     addiu   $gp, $gp, 4
+# CHECK-NEXT:   2002c:       03 1c c0 23     subu    $24, $24, $gp
+# CHECK-NEXT:   20030:       03 e0 78 25     move    $15, $ra
+# CHECK-NEXT:   20034:       00 18 c0 82     srl     $24, $24, 2
+# CHECK-NEXT:   20038:       03 20 f8 09     jalr    $25
+# CHECK-NEXT:   2003c:       27 18 ff fe     addiu   $24, $24, -2
+# CHECK-NEXT:   20040:       3c 0f 00 04     lui     $15, 4
+# CHECK-NEXT:   20044:       8d f9 00 0c     lw      $25, 12($15)
+# CHECK-NEXT:   20048:       03 20 00 08     jr      $25
+# CHECK-NEXT:   2004c:       25 f8 00 0c     addiu   $24, $15, 12
+
+# REL:      Name: .plt
+# REL-NEXT: Type: SHT_PROGBITS
+# REL-NEXT: Flags [ (0x6)
+# REL-NEXT:   SHF_ALLOC
+# REL-NEXT:   SHF_EXECINSTR
+# REL-NEXT: ]
+# REL-NEXT: Address: 0x[[PLTADDR:[0-9A-F]+]]
+
+# REL:      Name: .got.plt
+# REL-NEXT: Type: SHT_PROGBITS
+# REL-NEXT: Flags [ (0x3)
+# REL-NEXT:   SHF_ALLOC
+# REL-NEXT:   SHF_WRITE
+# REL-NEXT: ]
+# REL-NEXT: Address: 0x[[GOTPLTADDR:[0-9A-F]+]]
+
+# REL: Relocations [
+# REL-NEXT:   Section (7) .rel.plt {
+# REL-NEXT:     0x[[PLTSLOT:[0-9A-F]+]] R_MIPS_JUMP_SLOT foo0 0x0
+# REL-NEXT:   }
+# REL-NEXT: ]
+
+# REL: 0x70000032  MIPS_PLTGOT  0x[[GOTPLTADDR]]
+
+# REL:      Primary GOT {
+# REL:        Local entries [
+# REL-NEXT:   ]
+# REL-NEXT:   Global entries [
+# REL-NEXT:   ]
+# REL:      PLT GOT {
+# REL:        Entries [
+# REL-NEXT:     Entry {
+# REL-NEXT:       Address: 0x[[PLTSLOT]]
+# REL-NEXT:       Initial: 0x[[PLTADDR]]
+# REL-NEXT:       Value: 0x0
+# REL-NEXT:       Type: Function
+# REL-NEXT:       Section: Undefined
+# REL-NEXT:       Name: foo0
+# REL-NEXT:     }
+# REL-NEXT:   ]
+
+  .text
+  .globl bar
+bar:
+  jal loc         # R_MIPS_26 against .text + offset
+
+  .globl __start
+__start:
+  jal bar         # R_MIPS_26 against global 'bar' from object file
+  jal foo0        # R_MIPS_26 against 'foo0' from DSO
+
+loc:
+  nop