lld/test/ELF/loongarch-tls-gd.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 GD->LE relaxation.
   6
   7 # RUN: llvm-mc --filetype=obj --triple=loongarch32 %t/a.s -o %t/a.32.o
   8 # RUN: llvm-mc --filetype=obj --triple=loongarch32 %t/bc.s -o %t/bc.32.o
   9 # RUN: ld.lld -shared -soname=bc.so %t/bc.32.o -o %t/bc.32.so
  10 # RUN: llvm-mc --filetype=obj --triple=loongarch32 %t/tga.s -o %t/tga.32.o
  11 # RUN: llvm-mc --filetype=obj --triple=loongarch64 %t/a.s -o %t/a.64.o
  12 # RUN: llvm-mc --filetype=obj --triple=loongarch64 %t/bc.s -o %t/bc.64.o
  13 # RUN: ld.lld -shared -soname=bc.so %t/bc.64.o -o %t/bc.64.so
  14 # RUN: llvm-mc --filetype=obj --triple=loongarch64 %t/tga.s -o %t/tga.64.o
  15
  16 ## LA32 GD
  17 # RUN: ld.lld -shared %t/a.32.o %t/bc.32.o -o %t/gd.32.so
  18 # RUN: llvm-readobj -r %t/gd.32.so | FileCheck --check-prefix=GD32-REL %s
  19 # RUN: llvm-objdump -d --no-show-raw-insn %t/gd.32.so | FileCheck --check-prefix=GD32 %s
  20
  21 ## LA32 GD -> LE
  22 # RUN: ld.lld %t/a.32.o %t/bc.32.o %t/tga.32.o -o %t/le.32
  23 # RUN: llvm-readelf -r %t/le.32 | FileCheck --check-prefix=NOREL %s
  24 # RUN: llvm-readelf -x .got %t/le.32 | FileCheck --check-prefix=LE32-GOT %s
  25 # RUN: ld.lld -pie %t/a.32.o %t/bc.32.o %t/tga.32.o -o %t/le-pie.32
  26 # RUN: llvm-readelf -r %t/le-pie.32 | FileCheck --check-prefix=NOREL %s
  27 # RUN: llvm-readelf -x .got %t/le-pie.32 | FileCheck --check-prefix=LE32-GOT %s
  28
  29 ## LA32 GD -> IE
  30 # RUN: ld.lld %t/a.32.o %t/bc.32.so %t/tga.32.o -o %t/ie.32
  31 # RUN: llvm-readobj -r %t/ie.32 | FileCheck --check-prefix=IE32-REL %s
  32 # RUN: llvm-readelf -x .got %t/ie.32 | FileCheck --check-prefix=IE32-GOT %s
  33
  34 ## LA64 GD
  35 # RUN: ld.lld -shared %t/a.64.o %t/bc.64.o -o %t/gd.64.so
  36 # RUN: llvm-readobj -r %t/gd.64.so | FileCheck --check-prefix=GD64-REL %s
  37 # RUN: llvm-objdump -d --no-show-raw-insn %t/gd.64.so | FileCheck --check-prefix=GD64 %s
  38
  39 ## LA64 GD -> LE
  40 # RUN: ld.lld %t/a.64.o %t/bc.64.o %t/tga.64.o -o %t/le.64
  41 # RUN: llvm-readelf -r %t/le.64 | FileCheck --check-prefix=NOREL %s
  42 # RUN: llvm-readelf -x .got %t/le.64 | FileCheck --check-prefix=LE64-GOT %s
  43 # RUN: ld.lld -pie %t/a.64.o %t/bc.64.o %t/tga.64.o -o %t/le-pie.64
  44 # RUN: llvm-readelf -r %t/le-pie.64 | FileCheck --check-prefix=NOREL %s
  45 # RUN: llvm-readelf -x .got %t/le-pie.64 | FileCheck --check-prefix=LE64-GOT %s
  46
  47 ## LA64 GD -> IE
  48 # RUN: ld.lld %t/a.64.o %t/bc.64.so %t/tga.64.o -o %t/ie.64
  49 # RUN: llvm-readobj -r %t/ie.64 | FileCheck --check-prefix=IE64-REL %s
  50 # RUN: llvm-readelf -x .got %t/ie.64 | FileCheck --check-prefix=IE64-GOT %s
  51
  52 # GD32-REL:      .rela.dyn {
  53 # GD32-REL-NEXT:   0x20310 R_LARCH_TLS_DTPMOD32 a 0x0
  54 # GD32-REL-NEXT:   0x20314 R_LARCH_TLS_DTPREL32 a 0x0
  55 # GD32-REL-NEXT:   0x20318 R_LARCH_TLS_DTPMOD32 b 0x0
  56 # GD32-REL-NEXT:   0x2031C R_LARCH_TLS_DTPREL32 b 0x0
  57 # GD32-REL-NEXT: }
  58
  59 ## &DTPMOD(a) - . = 0x20310 - 0x10250: 0x10 pages, page offset 0x310
  60 # GD32:      10250: pcalau12i $a0, 16
  61 # GD32-NEXT:        addi.w $a0, $a0, 784
  62 # GD32-NEXT:        bl 56
  63
  64 ## &DTPMOD(b) - . = 0x20318 - 0x1025c: 0x10 pages, page offset 0x318
  65 # GD32:      1025c: pcalau12i $a0, 16
  66 # GD32-NEXT:        addi.w $a0, $a0, 792
  67 # GD32-NEXT:        bl 44
  68
  69 # GD64-REL:      .rela.dyn {
  70 # GD64-REL-NEXT:   0x204C0 R_LARCH_TLS_DTPMOD64 a 0x0
  71 # GD64-REL-NEXT:   0x204C8 R_LARCH_TLS_DTPREL64 a 0x0
  72 # GD64-REL-NEXT:   0x204D0 R_LARCH_TLS_DTPMOD64 b 0x0
  73 # GD64-REL-NEXT:   0x204D8 R_LARCH_TLS_DTPREL64 b 0x0
  74 # GD64-REL-NEXT: }
  75
  76 ## &DTPMOD(a) - . = 0x204c0 - 0x10398: 0x10 pages, page offset 0x4c0
  77 # GD64:      10398: pcalau12i $a0, 16
  78 # GD64-NEXT:        addi.d $a0, $a0, 1216
  79 # GD64-NEXT:        bl 48
  80
  81 ## &DTPMOD(b) - . = 0x204d0 - 0x103a4: 0x10 pages, page offset 0x4d0
  82 # GD64:      103a4: pcalau12i $a0, 16
  83 # GD64-NEXT:        addi.d $a0, $a0, 1232
  84 # GD64-NEXT:        bl 36
  85
  86 # NOREL: no relocations
  87
  88 ## .got contains pre-populated values: [a@dtpmod, a@dtprel, b@dtpmod, b@dtprel]
  89 ## a@dtprel = st_value(a) = 0x8
  90 ## b@dtprel = st_value(b) = 0xc
  91 # LE32-GOT: section '.got':
  92 # LE32-GOT-NEXT: 0x[[#%x,A:]] 01000000 08000000 01000000 0c000000
  93 # LE64-GOT: section '.got':
  94 # LE64-GOT-NEXT: 0x[[#%x,A:]] 01000000 00000000 08000000 00000000
  95 # LE64-GOT-NEXT: 0x[[#%x,A:]] 01000000 00000000 0c000000 00000000
  96
  97 ## a is local - relaxed to LE - its DTPMOD/DTPREL slots are link-time constants.
  98 ## b is external - DTPMOD/DTPREL dynamic relocations are required.
  99 # IE32-REL:      .rela.dyn {
 100 # IE32-REL-NEXT:   0x30228 R_LARCH_TLS_DTPMOD32 b 0x0
 101 # IE32-REL-NEXT:   0x3022C R_LARCH_TLS_DTPREL32 b 0x0
 102 # IE32-REL-NEXT: }
 103 # IE32-GOT:      section '.got':
 104 # IE32-GOT-NEXT: 0x00030220 01000000 08000000 00000000 00000000
 105
 106 # IE64-REL:      .rela.dyn {
 107 # IE64-REL-NEXT:   0x30388 R_LARCH_TLS_DTPMOD64 b 0x0
 108 # IE64-REL-NEXT:   0x30390 R_LARCH_TLS_DTPREL64 b 0x0
 109 # IE64-REL-NEXT: }
 110 # IE64-GOT:      section '.got':
 111 # IE64-GOT-NEXT: 0x00030378 01000000 00000000 08000000 00000000
 112 # IE64-GOT-NEXT: 0x00030388 00000000 00000000 00000000 00000000
 113
 114 #--- a.s
 115 la.tls.gd $a0, a
 116 bl %plt(__tls_get_addr)
 117
 118 la.tls.gd $a0, b
 119 bl %plt(__tls_get_addr)
 120
 121 .section .tbss,"awT",@nobits
 122 .globl a
 123 .zero 8
 124 a:
 125 .zero 4
 126
 127 #--- bc.s
 128 .section .tbss,"awT",@nobits
 129 .globl b, c
 130 b:
 131 .zero 4
 132 c:
 133
 134 #--- tga.s
 135 .globl __tls_get_addr
 136 __tls_get_addr: