lld/test/ELF/mips-mgot.s

   1 # REQUIRES: mips
   2 # Check MIPS multi-GOT layout.
   3
   4 # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux %s -o %t0.o
   5 # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
   6 # RUN:         %p/Inputs/mips-mgot-1.s -o %t1.o
   7 # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux \
   8 # RUN:         %p/Inputs/mips-mgot-2.s -o %t2.o
   9 # RUN: echo "SECTIONS { \
  10 # RUN:         . = 0x10000; .text : { *(.text) } \
  11 # RUN:         . = 0x70000; .got  : { *(.got)  } \
  12 # RUN:       }" > %t.script
  13 # RUN: ld.lld -shared -mips-got-size 52 --script %t.script %t0.o %t1.o %t2.o -o %t.so
  14 # RUN: llvm-objdump -s --section=.got -t %t.so | FileCheck %s
  15 # RUN: llvm-readobj -r --dyn-syms -A %t.so | FileCheck -check-prefix=GOT %s
  16
  17 # CHECK: SYMBOL TABLE:
  18 # CHECK:           00000000 l      .tdata          00000000 loc0
  19 # CHECK: [[FOO0:[0-9a-f]+]] g      .text           00000000 foo0
  20 # CHECK:           00000000 g      .tdata          00000000 tls0
  21 # CHECK:           00000004 g      .tdata          00000000 tls1
  22 # CHECK: [[FOO2:[0-9a-f]+]] g      .text           00000000 foo2
  23
  24 # CHECK:      Contents of section .got:
  25 # CHECK-NEXT:  70000 00000000 80000000 [[FOO0]] [[FOO2]]
  26 # CHECK-NEXT:  70010 00000000 00000004 00010000 00020000
  27 # CHECK-NEXT:  70020 00030000 00040000 00050000 00060000
  28 # CHECK-NEXT:  70030 00000000 00000000 00000000 00000000
  29 # CHECK-NEXT:  70040 00000000 00000000 00000000
  30
  31 # GOT:      Relocations [
  32 # GOT-NEXT:   Section (7) .rel.dyn {
  33 # GOT-NEXT:     0x70018 R_MIPS_REL32 -
  34 # GOT-NEXT:     0x7001C R_MIPS_REL32 -
  35 # GOT-NEXT:     0x70020 R_MIPS_REL32 -
  36 # GOT-NEXT:     0x70024 R_MIPS_REL32 -
  37 # GOT-NEXT:     0x70028 R_MIPS_REL32 -
  38 # GOT-NEXT:     0x7002C R_MIPS_REL32 -
  39 # GOT-NEXT:     0x70030 R_MIPS_REL32 foo0
  40 # GOT-NEXT:     0x70034 R_MIPS_REL32 foo2
  41 # GOT-NEXT:     0x70044 R_MIPS_TLS_DTPMOD32 -
  42 # GOT-NEXT:     0x70010 R_MIPS_TLS_TPREL32 tls0
  43 # GOT-NEXT:     0x70038 R_MIPS_TLS_TPREL32 tls0
  44 # GOT-NEXT:     0x7003C R_MIPS_TLS_DTPMOD32 tls0
  45 # GOT-NEXT:     0x70040 R_MIPS_TLS_DTPREL32 tls0
  46 # GOT-NEXT:     0x70014 R_MIPS_TLS_TPREL32 tls1
  47 # GOT-NEXT:   }
  48 # GOT-NEXT: ]
  49
  50 # GOT:      DynamicSymbols [
  51 # GOT:        Symbol {
  52 # GOT:          Name: foo0
  53 # GOT-NEXT:     Value: 0x[[FOO0:[0-9A-F]+]]
  54 # GOT:        }
  55 # GOT-NEXT:   Symbol {
  56 # GOT-NEXT:     Name: foo2
  57 # GOT-NEXT:     Value: 0x[[FOO2:[0-9A-F]+]]
  58 # GOT:        }
  59 # GOT-NEXT: ]
  60
  61 # GOT:      Primary GOT {
  62 # GOT-NEXT:   Canonical gp value: 0x77FF0
  63 # GOT-NEXT:   Reserved entries [
  64 # GOT-NEXT:     Entry {
  65 # GOT-NEXT:       Address:
  66 # GOT-NEXT:       Access: -32752
  67 # GOT-NEXT:       Initial: 0x0
  68 # GOT-NEXT:       Purpose: Lazy resolver
  69 # GOT-NEXT:     }
  70 # GOT-NEXT:     Entry {
  71 # GOT-NEXT:       Address:
  72 # GOT-NEXT:       Access: -32748
  73 # GOT-NEXT:       Initial: 0x80000000
  74 # GOT-NEXT:       Purpose: Module pointer (GNU extension)
  75 # GOT-NEXT:     }
  76 # GOT-NEXT:   ]
  77 # GOT-NEXT:   Local entries [
  78 # GOT-NEXT:   ]
  79 # GOT-NEXT:   Global entries [
  80 # GOT-NEXT:     Entry {
  81 # GOT-NEXT:       Address:
  82 # GOT-NEXT:       Access: -32744
  83 # GOT-NEXT:       Initial: 0x[[FOO0]]
  84 # GOT-NEXT:       Value: 0x[[FOO0]]
  85 # GOT-NEXT:       Type: None
  86 # GOT-NEXT:       Section: .text
  87 # GOT-NEXT:       Name: foo0
  88 # GOT-NEXT:     }
  89 # GOT-NEXT:     Entry {
  90 # GOT-NEXT:       Address:
  91 # GOT-NEXT:       Access: -32740
  92 # GOT-NEXT:       Initial: 0x[[FOO2]]
  93 # GOT-NEXT:       Value: 0x[[FOO2]]
  94 # GOT-NEXT:       Type: None
  95 # GOT-NEXT:       Section: .text
  96 # GOT-NEXT:       Name: foo2
  97 # GOT-NEXT:     }
  98 # GOT-NEXT:   ]
  99 # GOT-NEXT:   Number of TLS and multi-GOT entries: 15
 100 # GOT-NEXT: }
 101
 102   .text
 103   .global foo0
 104 foo0:
 105   lw     $2, %got(.data)($gp)     # page entry
 106   addi   $2, $2, %lo(.data)
 107   lw     $2, %call16(foo0)($gp)   # global entry
 108   addiu  $2, $2, %tlsgd(tls0)     # tls gd entry
 109   addiu  $2, $2, %gottprel(tls0)  # tls got entry
 110   addiu  $2, $2, %tlsldm(loc0)    # tls ld entry
 111
 112   .data
 113   .space 0x20000
 114
 115   .section .tdata,"awT",%progbits
 116   .global tls0
 117 tls0:
 118 loc0:
 119   .word 0