lld/test/ELF/linkerscript/discard-section-dynsym.s

   1 # REQUIRES: aarch64
   2
   3 ## We allow discarding .dynsym, check we don't crash.
   4 # RUN: rm -rf %t && split-file %s %t && cd %t
   5 # RUN: llvm-mc -filetype=obj -triple=aarch64 a.s -o a.o
   6 # RUN: llvm-mc -filetype=obj -triple=aarch64 c.s -o c.o
   7 # RUN: ld.lld -shared --version-script=c.ver c.o -o c.so
   8
   9 # RUN: echo 'SECTIONS { /DISCARD/ : { *(.dynsym) } }' > 1.lds
  10 # RUN: ld.lld -shared -T 1.lds a.o c.so -o out1.so
  11 # RUN: llvm-readelf -Sr out1.so | FileCheck %s --check-prefixes=CHECK,CHECK1
  12
  13 # RUN: echo 'SECTIONS { /DISCARD/ : { *(.dynsym .dynstr) } }' > 2.lds
  14 # RUN: ld.lld -shared -T 2.lds a.o c.so -o out2.so
  15 # RUN: llvm-readelf -Sr out2.so | FileCheck %s --check-prefixes=CHECK,CHECK2
  16
  17 # CHECK:       [Nr] Name              Type            Address          Off    Size   ES Flg Lk Inf Al
  18 # CHECK-NEXT:  [ 0]                   NULL            0000000000000000 000000 000000 00      0   0  0
  19 # CHECK-NEXT:  [ 1] .gnu.version      VERSYM          0000000000000000 {{.*}} 000006 02   A  0   0  2
  20 # CHECK1-NEXT: [ 2] .gnu.version_r    VERNEED         0000000000000008 {{.*}} 000020 00   A  5   1  4
  21 # CHECK2-NEXT: [ 2] .gnu.version_r    VERNEED         0000000000000008 {{.*}} 000020 00   A  0   1  4
  22 # CHECK1:      [ 5] .dynstr           STRTAB
  23
  24 # CHECK:      contains 2 entries:
  25 # CHECK:      R_AARCH64_RELATIVE  [[#]]
  26 # CHECK-NEXT: R_AARCH64_GLOB_DAT  0{{$}}
  27
  28 #--- a.s
  29   adrp x9, :got:var
  30   ldr  x9, [x9, :got_lo12:var]
  31   bl __libc_start_main
  32
  33 .data
  34 .align 8
  35 foo:
  36 .quad foo
  37
  38 #--- c.s
  39 .globl __libc_start_main
  40 __libc_start_main:
  41
  42 #--- c.ver
  43 GLIBC_2.34 { __libc_start_main; };