lld/test/ELF/mips-got-weak.s

   1 # REQUIRES: mips
   2 # Check R_MIPS_GOT16 relocation against weak symbols.
   3
   4 # RUN: llvm-mc -filetype=obj -triple=mips-unknown-linux %s -o %t.o
   5 # RUN: ld.lld %t.o -shared -o %t1.so
   6 # RUN: llvm-readelf -r --dyn-syms --dynamic-table -A %t1.so \
   7 # RUN:   | FileCheck -check-prefixes=CHECK,NOSYM %s
   8 # RUN: ld.lld %t.o -shared -Bsymbolic -o %t2.so
   9 # RUN: llvm-readelf -r --dyn-syms --dynamic-table -A %t2.so \
  10 # RUN:   | FileCheck -check-prefixes=CHECK,SYM %s
  11
  12 # CHECK: Dynamic section
  13 # CHECK: (MIPS_SYMTABNO)      4
  14 # NOSYM: (MIPS_LOCAL_GOTNO)   2
  15 # NOSYM: (MIPS_GOTSYM)        0x1
  16 #   SYM: (MIPS_LOCAL_GOTNO)   4
  17 #   SYM: (MIPS_GOTSYM)        0x3
  18
  19 # CHECK: There are no relocations in this file.
  20
  21 # CHECK: Symbol table '.dynsym'
  22 # CHECK-DAG: [[FOO:[0-9a-f]+]]     0 NOTYPE  WEAK   DEFAULT    8 foo
  23 # CHECK-DAG:          00000000     0 NOTYPE  WEAK   DEFAULT  UND bar
  24 # CHECK-DAG: [[SYM:[0-9a-f]+]]     0 NOTYPE  GLOBAL DEFAULT    8 sym
  25
  26 # NOSYM:      Primary GOT:
  27 # NOSYM-NOT:   Local entries:
  28 # NOSYM:       Global entries:
  29 # NOSYM-NEXT:       Access  Initial Sym.Val. Type    Ndx Name
  30 # NOSYM-NEXT:   -32744(gp)  [[FOO]]  [[FOO]] NOTYPE    8 foo
  31 # NOSYM-NEXT:   -32740(gp) 00000000 00000000 NOTYPE  UND bar
  32 # NOSYM-NEXT:   -32736(gp)  [[SYM]]  [[SYM]] NOTYPE    8 sym
  33
  34 # SYM:      Primary GOT:
  35 # SYM:       Local entries:
  36 # SYM-NEXT:       Access  Initial
  37 # SYM-NEXT:   -32744(gp)  [[FOO]]
  38 # SYM-NEXT:   -32740(gp)  [[SYM]]
  39 # SYM:       Global entries:
  40 # SYM-NEXT:       Access  Initial Sym.Val. Type    Ndx Name
  41 # SYM-NEXT:   -32736(gp) 00000000 00000000 NOTYPE  UND bar
  42
  43   .text
  44   .global  sym
  45   .weak    foo,bar
  46 func:
  47   lw      $t0,%got(foo)($gp)
  48   lw      $t0,%got(bar)($gp)
  49   lw      $t0,%got(sym)($gp)
  50
  51   .data
  52   .weak foo
  53 foo:
  54   .word 0
  55 sym:
  56   .word 0