lld/test/ELF/loongarch-tls-ld.s

   1 # REQUIRES: loongarch
   2 # RUN: rm -rf %t && split-file %s %t
   3
   4 ## LoongArch psABI doesn't specify TLS relaxation. Though the code sequences are not
   5 ## relaxed, dynamic relocations can be omitted for LD->LE relaxation.
   6
   7 # RUN: llvm-mc --filetype=obj --triple=loongarch32 --position-independent %t/a.s -o %t/a.32.o
   8 # RUN: llvm-mc --filetype=obj --triple=loongarch32 %t/tga.s -o %t/tga.32.o
   9 # RUN: llvm-mc --filetype=obj --triple=loongarch64 --position-independent %t/a.s -o %t/a.64.o
  10 # RUN: llvm-mc --filetype=obj --triple=loongarch64 %t/tga.s -o %t/tga.64.o
  11
  12 ## LA32 LD
  13 # RUN: ld.lld -shared %t/a.32.o -o %t/ld.32.so
  14 # RUN: llvm-readobj -r %t/ld.32.so | FileCheck --check-prefix=LD32-REL %s
  15 # RUN: llvm-readelf -x .got %t/ld.32.so | FileCheck --check-prefix=LD32-GOT %s
  16 # RUN: llvm-objdump -d --no-show-raw-insn %t/ld.32.so | FileCheck --check-prefixes=LD32 %s
  17
  18 ## LA32 LD -> LE
  19 # RUN: ld.lld %t/a.32.o %t/tga.32.o -o %t/le.32
  20 # RUN: llvm-readelf -r %t/le.32 | FileCheck --check-prefix=NOREL %s
  21 # RUN: llvm-readelf -x .got %t/le.32 | FileCheck --check-prefix=LE32-GOT %s
  22 # RUN: llvm-objdump -d --no-show-raw-insn %t/le.32 | FileCheck --check-prefixes=LE32 %s
  23
  24 ## LA64 LD
  25 # RUN: ld.lld -shared %t/a.64.o -o %t/ld.64.so
  26 # RUN: llvm-readobj -r %t/ld.64.so | FileCheck --check-prefix=LD64-REL %s
  27 # RUN: llvm-readelf -x .got %t/ld.64.so | FileCheck --check-prefix=LD64-GOT %s
  28 # RUN: llvm-objdump -d --no-show-raw-insn %t/ld.64.so | FileCheck --check-prefixes=LD64 %s
  29
  30 ## LA64 LD -> LE
  31 # RUN: ld.lld %t/a.64.o %t/tga.64.o -o %t/le.64
  32 # RUN: llvm-readelf -r %t/le.64 | FileCheck --check-prefix=NOREL %s
  33 # RUN: llvm-readelf -x .got %t/le.64 | FileCheck --check-prefix=LE64-GOT %s
  34 # RUN: llvm-objdump -d --no-show-raw-insn %t/le.64 | FileCheck --check-prefixes=LE64 %s
  35
  36 ## a@dtprel = st_value(a) = 0 is a link-time constant.
  37 # LD32-REL:      .rela.dyn {
  38 # LD32-REL-NEXT:   0x20280 R_LARCH_TLS_DTPMOD32 - 0x0
  39 # LD32-REL-NEXT: }
  40 # LD32-GOT:      section '.got':
  41 # LD32-GOT-NEXT: 0x00020280 00000000 00000000
  42
  43 # LD64-REL:      .rela.dyn {
  44 # LD64-REL-NEXT:   0x20400 R_LARCH_TLS_DTPMOD64 - 0x0
  45 # LD64-REL-NEXT: }
  46 # LD64-GOT:      section '.got':
  47 # LD64-GOT-NEXT: 0x00020400 00000000 00000000 00000000 00000000
  48
  49 ## LA32: &DTPMOD(a) - . = 0x20280 - 0x101cc: 0x10 pages, page offset 0x280
  50 # LD32:      101cc: pcalau12i $a0, 16
  51 # LD32-NEXT:        addi.w $a0, $a0, 640
  52 # LD32-NEXT:        bl 44
  53
  54 ## LA64: &DTPMOD(a) - . = 0x20400 - 0x102e0: 0x10 pages, page offset 0x400
  55 # LD64:      102e0: pcalau12i $a0, 16
  56 # LD64-NEXT:        addi.d $a0, $a0, 1024
  57 # LD64-NEXT:        bl 40
  58
  59 # NOREL: no relocations
  60
  61 ## a is local - its DTPMOD/DTPREL slots are link-time constants.
  62 ## a@dtpmod = 1 (main module)
  63 # LE32-GOT: section '.got':
  64 # LE32-GOT-NEXT: 0x00030120 01000000 00000000
  65
  66 # LE64-GOT: section '.got':
  67 # LE64-GOT-NEXT: 0x000301d8 01000000 00000000 00000000 00000000
  68
  69 ## LA32: DTPMOD(.LANCHOR0) - . = 0x30120 - 0x20114: 0x10 pages, page offset 0x120
  70 # LE32:      20114: pcalau12i $a0, 16
  71 # LE32-NEXT:        addi.w $a0, $a0, 288
  72 # LE32-NEXT:        bl 4
  73
  74 ## LA64: DTPMOD(.LANCHOR0) - . = 0x301d8 - 0x201c8: 0x10 pages, page offset 0x1d8
  75 # LE64:      201c8: pcalau12i $a0, 16
  76 # LE64-NEXT:        addi.d $a0, $a0, 472
  77 # LE64-NEXT:        bl 4
  78
  79 #--- a.s
  80 la.tls.ld $a0, .LANCHOR0
  81 bl %plt(__tls_get_addr)
  82
  83 .section .tbss,"awT",@nobits
  84 .set .LANCHOR0, . + 0
  85 .zero 8
  86
  87 #--- tga.s
  88 .globl __tls_get_addr
  89 __tls_get_addr: