lld/test/ELF/riscv-tls-gd.s

   1 # REQUIRES: riscv
   2 # RUN: echo '.tbss; .globl b, c; b: .zero 4; c:' > %t.s
   3 # RUN: echo '.globl __tls_get_addr; __tls_get_addr:' > %tga.s
   4
   5 ## RISC-V psABI doesn't specify TLS relaxation. Though the code sequences are not
   6 ## relaxed, dynamic relocations can be omitted for GD->LE relaxation.
   7
   8 # RUN: llvm-mc -filetype=obj -triple=riscv32 %s -o %t.32.o
   9 # RUN: llvm-mc -filetype=obj -triple=riscv32 %t.s -o %t1.32.o
  10 # RUN: ld.lld -shared -soname=t1.so %t1.32.o -o %t1.32.so
  11 # RUN: llvm-mc -filetype=obj -triple=riscv32 %tga.s -o %tga.32.o
  12 ## rv32 GD
  13 # RUN: ld.lld -shared %t.32.o %t1.32.o -o %t.32.so
  14 # RUN: llvm-readobj -r %t.32.so | FileCheck --check-prefix=GD32-REL %s
  15 # RUN: llvm-objdump -d --no-show-raw-insn %t.32.so | FileCheck --check-prefix=GD32 %s
  16 ## rv32 GD -> LE
  17 # RUN: ld.lld %t.32.o %t1.32.o %tga.32.o -o %t.32
  18 # RUN: llvm-readelf -r %t.32 | FileCheck --check-prefix=NOREL %s
  19 # RUN: llvm-readelf -x .got %t.32 | FileCheck --check-prefix=LE32-GOT %s
  20 # RUN: ld.lld -pie %t.32.o %t1.32.o %tga.32.o -o %t.32
  21 # RUN: llvm-readelf -r %t.32 | FileCheck --check-prefix=NOREL %s
  22 # RUN: llvm-readelf -x .got %t.32 | FileCheck --check-prefix=LE32-GOT %s
  23 ## rv32 GD -> IE
  24 # RUN: ld.lld %t.32.o %t1.32.so %tga.32.o -o %t.32
  25 # RUN: llvm-readobj -r %t.32 | FileCheck --check-prefix=IE32-REL %s
  26 # RUN: llvm-readelf -x .got %t.32 | FileCheck --check-prefix=IE32-GOT %s
  27
  28 # RUN: llvm-mc -filetype=obj -triple=riscv64 %s -o %t.64.o
  29 # RUN: llvm-mc -filetype=obj -triple=riscv64 %t.s -o %t1.64.o
  30 # RUN: ld.lld -shared -soname=t1.so %t1.64.o -o %t1.64.so
  31 # RUN: llvm-mc -filetype=obj -triple=riscv64 %tga.s -o %tga.64.o
  32 ## rv64 GD
  33 # RUN: ld.lld -shared %t.64.o %t1.64.o -o %t.64.so
  34 # RUN: llvm-readobj -r %t.64.so | FileCheck --check-prefix=GD64-REL %s
  35 # RUN: llvm-objdump -d --no-show-raw-insn %t.64.so | FileCheck --check-prefix=GD64 %s
  36 ## rv64 GD -> LE
  37 # RUN: ld.lld %t.64.o %t1.64.o %tga.64.o -o %t.64
  38 # RUN: llvm-readelf -r %t.64 | FileCheck --check-prefix=NOREL %s
  39 # RUN: llvm-readelf -x .got %t.64 | FileCheck --check-prefix=LE64-GOT %s
  40 # RUN: ld.lld -pie %t.64.o %t1.64.o %tga.64.o -o %t.64
  41 # RUN: llvm-readelf -r %t.64 | FileCheck --check-prefix=NOREL %s
  42 # RUN: llvm-readelf -x .got %t.64 | FileCheck --check-prefix=LE64-GOT %s
  43 ## rv64 GD -> IE
  44 # RUN: ld.lld %t.64.o %t1.64.so %tga.64.o -o %t.64
  45 # RUN: llvm-readobj -r %t.64 | FileCheck --check-prefix=IE64-REL %s
  46 # RUN: llvm-readelf -x .got %t.64 | FileCheck --check-prefix=IE64-GOT %s
  47
  48 # GD32-REL:      .rela.dyn {
  49 # GD32-REL-NEXT:   0x2314 R_RISCV_TLS_DTPMOD32 a 0x0
  50 # GD32-REL-NEXT:   0x2318 R_RISCV_TLS_DTPREL32 a 0x0
  51 # GD32-REL-NEXT:   0x231C R_RISCV_TLS_DTPMOD32 b 0x0
  52 # GD32-REL-NEXT:   0x2320 R_RISCV_TLS_DTPREL32 b 0x0
  53 # GD32-REL-NEXT: }
  54
  55 ## &DTPMOD(a) - . = 0x2314 - 0x1250 = 4096*1+196
  56 # GD32:      1250: auipc a0, 0x1
  57 # GD32-NEXT:       addi a0, a0, 0xc4
  58 # GD32-NEXT:       auipc ra, 0x0
  59 # GD32-NEXT:       jalr 0x38(ra)
  60
  61 ## &DTPMOD(b) - . = 0x231C - 0x1260 = 4096*1+188
  62 # GD32:      1260: auipc a0, 0x1
  63 # GD32-NEXT:       addi a0, a0, 0xbc
  64 # GD32-NEXT:       auipc ra, 0x0
  65 # GD32-NEXT:       jalr 0x28(ra)
  66
  67 # GD64-REL:      .rela.dyn {
  68 # GD64-REL-NEXT:   0x24D8 R_RISCV_TLS_DTPMOD64 a 0x0
  69 # GD64-REL-NEXT:   0x24E0 R_RISCV_TLS_DTPREL64 a 0x0
  70 # GD64-REL-NEXT:   0x24E8 R_RISCV_TLS_DTPMOD64 b 0x0
  71 # GD64-REL-NEXT:   0x24F0 R_RISCV_TLS_DTPREL64 b 0x0
  72 # GD64-REL-NEXT: }
  73
  74 ## &DTPMOD(a) - . = 0x24d8 - 0x1398 = 4096*1+320
  75 # GD64:      1398: auipc a0, 0x1
  76 # GD64-NEXT:       addi a0, a0, 0x140
  77 # GD64-NEXT:       auipc ra, 0x0
  78 # GD64-NEXT:       jalr 0x40(ra)
  79
  80 ## &DTPMOD(b) - . = 0x24e8 - 0x13a8 = 4096*1+320
  81 # GD64:      13a8: auipc a0, 0x1
  82 # GD64-NEXT:       addi a0, a0, 0x140
  83 # GD64-NEXT:       auipc ra, 0x0
  84 # GD64-NEXT:       jalr 0x30(ra)
  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)-0x800 = 0xfffff808
  90 ## b@dtprel = st_value(b)-0x800 = 0xfffff80c
  91 # LE32-GOT: section '.got':
  92 # LE32-GOT-NEXT: 0x[[#%x,A:]] [[#%x,GOT:]] 01000000 08f8ffff 01000000
  93 # LE32-GOT-NEXT: 0x[[#%x,A:]] 0cf8ffff
  94 # LE64-GOT: section '.got':
  95 # LE64-GOT-NEXT: 0x[[#%x,A:]] [[#%x,GOT:]] [[#%x,GOT:]] 01000000 00000000
  96 # LE64-GOT-NEXT: 0x[[#%x,A:]] 08f8ffff ffffffff 01000000 00000000
  97 # LE64-GOT-NEXT: 0x[[#%x,A:]] 0cf8ffff ffffffff
  98
  99 ## a is local - relaxed to LE - its DTPMOD/DTPREL slots are link-time constants.
 100 ## b is external - DTPMOD/DTPREL dynamic relocations are required.
 101 # IE32-REL:      .rela.dyn {
 102 # IE32-REL-NEXT:   0x12234 R_RISCV_TLS_DTPMOD32 b 0x0
 103 # IE32-REL-NEXT:   0x12238 R_RISCV_TLS_DTPREL32 b 0x0
 104 # IE32-REL-NEXT: }
 105 # IE32-GOT:      section '.got':
 106 # IE32-GOT-NEXT: 0x00012228 c8210100 01000000 08f8ffff 00000000
 107 # IE32-GOT-NEXT: 0x00012238 00000000
 108
 109 # IE64-REL:      .rela.dyn {
 110 # IE64-REL-NEXT:   0x12398 R_RISCV_TLS_DTPMOD64 b 0x0
 111 # IE64-REL-NEXT:   0x123A0 R_RISCV_TLS_DTPREL64 b 0x0
 112 # IE64-REL-NEXT: }
 113 # IE64-GOT:      section '.got':
 114 # IE64-GOT-NEXT: 0x00012380 c0220100 00000000 01000000 00000000
 115 # IE64-GOT-NEXT: 0x00012390 08f8ffff ffffffff 00000000 00000000
 116 # IE64-GOT-NEXT: 0x000123a0 00000000 00000000
 117
 118 la.tls.gd a0,a
 119 call __tls_get_addr@plt
 120
 121 la.tls.gd a0,b
 122 call __tls_get_addr@plt
 123
 124 .section .tbss
 125 .globl a
 126 .zero 8
 127 a:
 128 .zero 4