lld/test/ELF/ppc64-tls-pcrel-gd.s

   1 # REQUIRES: ppc
   2 # RUN: split-file %s %t
   3
   4 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %t/asm -o %t.o
   5 # RUN: llvm-mc -filetype=obj -triple=powerpc64le %t/defs -o %t-defs.o
   6 # RUN: ld.lld --shared %t-defs.o --soname=t-defs -o %t-defs.so
   7 # RUN: ld.lld -T %t/lds --shared %t.o -o %t-gd.so
   8 # RUN: ld.lld -T %t/lds %t.o %t-defs.so -o %t-gdtoie
   9 # RUN: ld.lld -T %t/lds %t.o %t-defs.o -o %t-gdtole
  10
  11 # RUN: llvm-readelf -r %t-gd.so | FileCheck %s --check-prefix=GD-RELOC
  12 # RUN: llvm-readelf -s %t-gd.so | FileCheck %s --check-prefix=GD-SYM
  13 # RUN: llvm-objdump -d --no-show-raw-insn %t-gd.so | FileCheck %s --check-prefix=GD
  14
  15 # RUN: llvm-readelf -r %t-gdtoie | FileCheck %s --check-prefix=GDTOIE-RELOC
  16 # RUN: llvm-readelf -s %t-gdtoie | FileCheck %s --check-prefix=GDTOIE-SYM
  17 # RUN: llvm-objdump -d --no-show-raw-insn %t-gdtoie | FileCheck %s --check-prefix=GDTOIE
  18
  19 # RUN: llvm-readelf -r %t-gdtole | FileCheck %s --check-prefix=GDTOLE-RELOC
  20 # RUN: llvm-readelf -s %t-gdtole | FileCheck %s --check-prefix=GDTOLE-SYM
  21 # RUN: llvm-objdump -d --no-show-raw-insn %t-gdtole | FileCheck %s --check-prefix=GDTOLE
  22
  23 ## This test checks the General Dynamic PC Relative TLS implementation for lld.
  24 ## GD - General Dynamic with no relaxation possible
  25 ## GDTOIE - General Dynamic relaxed to Initial Exec
  26 ## GDTOLE - General Dynamic relaxed to Local Exec
  27
  28 #--- lds
  29 SECTIONS {
  30   .text_addr 0x1001000 : { *(.text_addr) }
  31 }
  32
  33 #--- defs
  34 .section .tbss,"awT",@nobits
  35 .globl  x
  36 x:
  37   .long 0
  38 .globl  y
  39 y:
  40   .long 0
  41
  42 #--- asm
  43
  44 # GD-RELOC: Relocation section '.rela.dyn' at offset 0x100b8 contains 4 entries:
  45 # GD-RELOC: 0000000001001188  0000000100000044 R_PPC64_DTPMOD64       0000000000000000 x + 0
  46 # GD-RELOC: 0000000001001190  000000010000004e R_PPC64_DTPREL64       0000000000000000 x + 0
  47 # GD-RELOC: 0000000001001198  0000000300000044 R_PPC64_DTPMOD64       0000000000000000 y + 0
  48 # GD-RELOC: 00000000010011a0  000000030000004e R_PPC64_DTPREL64       0000000000000000 y + 0
  49
  50 # GD-SYM:   Symbol table '.dynsym' contains 4 entries:
  51 # GD-SYM:   0000000000000000     0 TLS     GLOBAL DEFAULT   UND x
  52 # GD-SYM:   0000000000000000     0 TLS     GLOBAL DEFAULT   UND y
  53
  54
  55 # GDTOIE-RELOC: Relocation section '.rela.dyn' at offset 0x{{.*}} contains 2 entries:
  56 # GDTOIE-RELOC: 00000000010010f8  0000000100000049 R_PPC64_TPREL64        0000000000000000 x + 0
  57 # GDTOIE-RELOC: 0000000001001100  0000000300000049 R_PPC64_TPREL64        0000000000000000 y + 0
  58
  59 # GDTOIE-SYM: Symbol table '.dynsym' contains 4 entries:
  60 # GDTOIE-SYM:   0000000000000000     0 TLS     GLOBAL DEFAULT   UND x
  61 # GDTOIE-SYM:   0000000000000000     0 TLS     GLOBAL DEFAULT   UND y
  62
  63
  64 # GDTOLE-RELOC: There are no relocations in this file.
  65
  66 # GDTOLE-SYM: Symbol table '.symtab' contains 5 entries:
  67 # GDTOLE-SYM: 0000000000000000     0 TLS     GLOBAL DEFAULT     3 x
  68 # GDTOLE-SYM: 0000000000000004     0 TLS     GLOBAL DEFAULT     3 y
  69
  70 # GD-LABEL: <GDTwoVal>:
  71 # GD-NEXT:    paddi 3, 0, 392, 1
  72 # GD-NEXT:    bl
  73 # GD-NEXT:    paddi 3, 0, 396, 1
  74 # GD-NEXT:    bl
  75 # GD-NEXT:    blr
  76 # GDTOIE-LABEL: <GDTwoVal>:
  77 # GDTOIE-NEXT:    pld 3, 248(0), 1
  78 # GDTOIE-NEXT:    add 3, 3, 13
  79 # GDTOIE-NEXT:    pld 3, 244(0), 1
  80 # GDTOIE-NEXT:    add 3, 3, 13
  81 # GDTOIE-NEXT:    blr
  82 # GDTOLE-LABEL: <GDTwoVal>:
  83 # GDTOLE-NEXT:    paddi 3, 13, -28672, 0
  84 # GDTOLE-NEXT:    nop
  85 # GDTOLE-NEXT:    paddi 3, 13, -28668, 0
  86 # GDTOLE-NEXT:    nop
  87 # GDTOLE-NEXT:    blr
  88 .section .text_addr, "ax", %progbits
  89 GDTwoVal:
  90   paddi 3, 0, x@got@tlsgd@pcrel, 1
  91   bl __tls_get_addr@notoc(x@tlsgd)
  92   paddi 3, 0, y@got@tlsgd@pcrel, 1
  93   bl __tls_get_addr@notoc(y@tlsgd)
  94   blr