lld/test/ELF/riscv-gp.s

   1 # REQUIRES: riscv
   2 # RUN: llvm-mc -filetype=obj -triple=riscv32 %s -o %t.32.o
   3 # RUN: ld.lld -pie %t.32.o -o %t.32
   4 # RUN: llvm-readelf -S -s %t.32 | FileCheck --check-prefix=SEC32 %s
   5 # RUN: not ld.lld -shared %t.32.o -o /dev/null 2>&1 | FileCheck --check-prefix=ERR %s
   6
   7 # RUN: llvm-mc -filetype=obj -triple=riscv64 %s -o %t.64.o
   8 # RUN: ld.lld -pie %t.64.o -o %t.64
   9 # RUN: llvm-readelf -S -s %t.64 | FileCheck --check-prefix=SEC64 %s
  10 # RUN: not ld.lld -shared %t.64.o -o /dev/null 2>&1 | FileCheck --check-prefix=ERR %s
  11
  12 ## __global_pointer$ = .sdata+0x800 = 0x39c0
  13 # SEC32: [ [[#SDATA:]]] .sdata PROGBITS {{0*}}000031c0
  14 # SEC32: {{0*}}000039c0 0 NOTYPE GLOBAL DEFAULT [[#SDATA]] __global_pointer$
  15
  16 # SEC64: [ [[#SDATA:]]] .sdata PROGBITS {{0*}}000032e0
  17 # SEC64: {{0*}}00003ae0 0 NOTYPE GLOBAL DEFAULT [[#SDATA]] __global_pointer$
  18
  19 ## __global_pointer$ - 0x1000 = 4096*3-2048
  20 # DIS:      1000: auipc gp, 3
  21 # DIS-NEXT:       addi gp, gp, -2048
  22
  23 # ERR: error: relocation R_RISCV_PCREL_HI20 cannot be used against symbol '__global_pointer$'; recompile with -fPIC
  24
  25 ## -r mode does not define __global_pointer$.
  26 # RUN: ld.lld -r %t.64.o -o %t.64.ro
  27 # RUN: llvm-readelf -s %t.64.ro | FileCheck --check-prefix=RELOCATABLE %s
  28
  29 # RELOCATABLE: 0000000000000000 0 NOTYPE GLOBAL DEFAULT UND __global_pointer$
  30
  31 lla gp, __global_pointer$
  32
  33 .section .sdata,"aw"