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

   1 # REQUIRES: systemz
   2 # RUN: llvm-mc -filetype=obj -triple=s390x-unknown-linux %s -o %t.o
   3 # RUN: echo '.tbss; .globl b, c; b: .zero 4; c:' | llvm-mc -filetype=obj -triple=s390x-unknown-linux - -o %t1.o
   4 # RUN: ld.lld -shared -soname=t1.so %t1.o -o %t1.so
   5
   6 # RUN: ld.lld -shared %t.o %t1.o -o %t.so
   7 # RUN: llvm-readelf -r %t.so | FileCheck --check-prefix=GD-REL %s
   8 # RUN: llvm-objdump -d --no-show-raw-insn %t.so | FileCheck --check-prefix=GD %s
   9 # RUN: llvm-objdump --section .data.rel.ro --full-contents %t.so | FileCheck --check-prefix=GD-DATA %s
  10
  11 # RUN: ld.lld %t.o %t1.o -o %t.le
  12 # RUN: llvm-readelf -r %t.le | FileCheck --check-prefix=NOREL %s
  13 # RUN: llvm-objdump -d --no-show-raw-insn %t.le | FileCheck --check-prefix=LE %s
  14 # RUN: llvm-objdump --section .data.rel.ro --full-contents %t.le | FileCheck --check-prefix=LE-DATA %s
  15
  16 # RUN: ld.lld %t.o %t1.so -o %t.ie
  17 # RUN: llvm-readelf -r %t.ie | FileCheck --check-prefix=IE-REL %s
  18 # RUN: llvm-objdump -d --no-show-raw-insn %t.ie | FileCheck --check-prefix=IE %s
  19 # RUN: llvm-objdump --section .data.rel.ro --full-contents %t.ie | FileCheck --check-prefix=IE-DATA %s
  20
  21 # GD-REL: Relocation section '.rela.dyn' at offset {{.*}} contains 6 entries:
  22 # GD-REL:      0000000000002570 0000000200000036 R_390_TLS_DTPMOD 0000000000000008 a + 0
  23 # GD-REL-NEXT: 0000000000002578 0000000200000037 R_390_TLS_DTPOFF 0000000000000008 a + 0
  24 # GD-REL-NEXT: 0000000000002580 0000000300000036 R_390_TLS_DTPMOD 000000000000000c b + 0
  25 # GD-REL-NEXT: 0000000000002588 0000000300000037 R_390_TLS_DTPOFF 000000000000000c b + 0
  26 # GD-REL-NEXT: 0000000000002590 0000000400000036 R_390_TLS_DTPMOD 0000000000000010 c + 0
  27 # GD-REL-NEXT: 0000000000002598 0000000400000037 R_390_TLS_DTPOFF 0000000000000010 c + 0
  28
  29 ## _GLOBAL_OFFSET_TABLE is at 0x2558
  30 # GD:      larl    %r12, 0x2558
  31
  32 ## GOT offset of the TLS module ID / offset pair for a is at 0x2460
  33 # GD-NEXT: lgrl    %r2, 0x2460
  34 # GD-NEXT: brasl   %r14, 0x1440
  35 # GD-NEXT: lgf     %r2, 0(%r2,%r7)
  36
  37 ## GOT offset of the TLS module ID / offset pair for b is at 0x2468
  38 # GD-NEXT: lgrl    %r2, 0x2468
  39 # GD-NEXT: brasl   %r14, 0x1440
  40 # GD-NEXT: lgf     %r2, 0(%r2,%r7)
  41
  42 ## GOT offset of the TLS module ID / offset pair for c is at 0x2470
  43 # GD-NEXT: lgrl    %r2, 0x2470
  44 # GD-NEXT: brasl   %r14, 0x1440
  45 # GD-NEXT: lgf     %r2, 0(%r2,%r7)
  46
  47 ## Constant pool holding GOT offsets of TLS module ID / offset pairs:
  48 # a: 0x2570 / 0x18
  49 # b: 0x2580 / 0x28
  50 # c: 0x2590 / 0x38
  51 # GD-DATA:      2460 00000000 00000018 00000000 00000028
  52 # GD-DATA-NEXT: 2470 00000000 00000038
  53
  54 # NOREL: no relocations
  55
  56 ## _GLOBAL_OFFSET_TABLE is at 0x1002230
  57 # LE:      larl    %r12, 0x1002230
  58
  59 ## TP offset of a is at 0x1002218
  60 # LE-NEXT: lgrl    %r2, 0x1002218
  61 # LE-NEXT: jgnop
  62 # LE-NEXT: lgf     %r2, 0(%r2,%r7)
  63
  64 ## TP offset of b is at 0x1002220
  65 # LE-NEXT: lgrl    %r2, 0x1002220
  66 # LE-NEXT: jgnop
  67 # LE-NEXT: lgf     %r2, 0(%r2,%r7)
  68
  69 ## TP offset of c is at 0x1002228
  70 # LE-NEXT: lgrl    %r2, 0x1002228
  71 # LE-NEXT: jgnop
  72 # LE-NEXT: lgf     %r2, 0(%r2,%r7)
  73
  74 ## TP offsets
  75 # a: -8
  76 # b: -4
  77 # c: 0
  78 # LE-DATA:      1002218 ffffffff fffffff8 ffffffff fffffffc
  79 # LE-DATA-NEXT: 1002228 00000000 00000000
  80
  81
  82 # IE-REL: Relocation section '.rela.dyn' at offset {{.*}} contains 2 entries:
  83 # IE-REL:      0000000001002430 0000000200000038 R_390_TLS_TPOFF 0000000000000000 b + 0
  84 # IE-REL-NEXT: 0000000001002438 0000000300000038 R_390_TLS_TPOFF 0000000000000000 c + 0
  85
  86 ## _GLOBAL_OFFSET_TABLE is at 0x1002418
  87 # IE:      larl    %r12, 0x1002418
  88
  89 ## TP offset of a is at 0x1002340
  90 # IE-NEXT: lgrl    %r2, 0x1002340
  91 # IE-NEXT: jgnop
  92 # IE-NEXT: lgf     %r2, 0(%r2,%r7)
  93
  94 ## GOT offset of the TP offset for b is at 0x1002348
  95 # IE-NEXT: lgrl    %r2, 0x1002348
  96 # IE-NEXT: lg      %r2, 0(%r2,%r12)
  97 # IE-NEXT: lgf     %r2, 0(%r2,%r7)
  98
  99 ## GOT offset of the TP offset for c is at 0x1002350
 100 # IE-NEXT: lgrl    %r2, 0x1002350
 101 # IE-NEXT: lg      %r2, 0(%r2,%r12)
 102 # IE-NEXT: lgf     %r2, 0(%r2,%r7)
 103
 104 ## TP offsets (a) / GOT offset of TP offsets (b, c)
 105 # a: -4
 106 # b: 0x1002430 / 0x18
 107 # c: 0x1002438 / 0x20
 108 # IE-DATA:      1002340 ffffffff fffffffc 00000000 00000018
 109 # IE-DATA-NEXT: 1002350 00000000 00000020
 110
 111
 112 ear     %r7,%a0
 113 sllg    %r7,%r1,32
 114 ear     %r7,%a1
 115 larl    %r12,_GLOBAL_OFFSET_TABLE_
 116
 117 lgrl    %r2,.LC0
 118 brasl   %r14,__tls_get_offset@PLT:tls_gdcall:a
 119 lgf     %r2,0(%r2,%r7)
 120
 121 lgrl    %r2,.LC1
 122 brasl   %r14,__tls_get_offset@PLT:tls_gdcall:b
 123 lgf     %r2,0(%r2,%r7)
 124
 125 lgrl    %r2,.LC2
 126 brasl   %r14,__tls_get_offset@PLT:tls_gdcall:c
 127 lgf     %r2,0(%r2,%r7)
 128
 129         .section        .data.rel.ro,"aw"
 130         .align  8
 131 .LC0:
 132         .quad   a@TLSGD
 133 .LC1:
 134         .quad   b@TLSGD
 135 .LC2:
 136         .quad   c@TLSGD
 137
 138         .section .tbss
 139         .globl a
 140         .zero 8
 141 a:
 142         .zero 4