lld/test/ELF/riscv-relax-emit-relocs.s

   1 # REQUIRES: riscv
   2 ## Test that we can handle --emit-relocs while relaxing.
   3
   4 # RUN: rm -rf %t && mkdir %t && cd %t
   5
   6 # RUN: llvm-mc -filetype=obj -triple=riscv32 -mattr=+relax %s -o 32.o
   7 # RUN: ld.lld -Ttext=0x10000 --emit-relocs 32.o -o 32
   8 # RUN: llvm-objdump -dr --no-show-raw-insn -M no-aliases 32 | FileCheck %s
   9
  10 # RUN: llvm-mc -filetype=obj -triple=riscv64 -mattr=+relax %s -o 64.o
  11 # RUN: ld.lld -Ttext=0x10000 --emit-relocs 64.o -o 64
  12 # RUN: llvm-objdump -dr --no-show-raw-insn -M no-aliases 64 | FileCheck %s
  13
  14 ## -r should keep original relocations.
  15 # RUN: ld.lld -r 64.o -o 64.r
  16 # RUN: llvm-objdump -dr --no-show-raw-insn -M no-aliases 64.r | FileCheck %s --check-prefix=CHECKR
  17
  18 ## --no-relax should keep original relocations.
  19 # RUN: ld.lld --emit-relocs --no-relax 64.o -o 64.norelax
  20 # RUN: llvm-objdump -dr --no-show-raw-insn -M no-aliases 64.norelax | FileCheck %s --check-prefix=CHECKNORELAX
  21
  22 # CHECK:      <_start>:
  23 # CHECK-NEXT:     jal ra, 0x10008 <f>
  24 # CHECK-NEXT:         R_RISCV_JAL f
  25 # CHECK-NEXT:         R_RISCV_RELAX *ABS*
  26 # CHECK-NEXT:     jal ra, 0x10008 <f>
  27 # CHECK-NEXT:         R_RISCV_JAL f
  28 # CHECK-NEXT:         R_RISCV_RELAX *ABS*
  29 # CHECK-EMPTY:
  30 # CHECK-NEXT: <f>:
  31 # CHECK-NEXT:     jalr zero, 0(ra)
  32 # CHECK-NEXT:         R_RISCV_ALIGN *ABS*+0x4
  33
  34 # CHECKR:      <_start>:
  35 # CHECKR-NEXT:     auipc ra, 0
  36 # CHECKR-NEXT:         R_RISCV_CALL_PLT f
  37 # CHECKR-NEXT:         R_RISCV_RELAX *ABS*
  38 # CHECKR-NEXT:     jalr ra, 0(ra)
  39 # CHECKR-NEXT:     auipc ra, 0
  40 # CHECKR-NEXT:         R_RISCV_CALL_PLT f
  41 # CHECKR-NEXT:         R_RISCV_RELAX *ABS*
  42 # CHECKR-NEXT:     jalr ra, 0(ra)
  43 # CHECKR-NEXT:     addi zero, zero, 0
  44 # CHECKR-NEXT:         R_RISCV_ALIGN *ABS*+0x4
  45 # CHECKR-EMPTY:
  46 # CHECKR-NEXT: <f>:
  47 # CHECKR-NEXT:     jalr zero, 0(ra)
  48
  49 # CHECKNORELAX:      <_start>:
  50 # CHECKNORELAX-NEXT:     auipc ra, 0
  51 # CHECKNORELAX-NEXT:         R_RISCV_CALL_PLT f
  52 # CHECKNORELAX-NEXT:         R_RISCV_RELAX *ABS*
  53 # CHECKNORELAX-NEXT:     jalr ra, 16(ra)
  54 # CHECKNORELAX-NEXT:     auipc ra, 0
  55 # CHECKNORELAX-NEXT:         R_RISCV_CALL_PLT f
  56 # CHECKNORELAX-NEXT:         R_RISCV_RELAX *ABS*
  57 # CHECKNORELAX-NEXT:     jalr ra, 8(ra)
  58 # CHECKNORELAX-EMPTY:
  59 # CHECKNORELAX-NEXT: <f>:
  60 # CHECKNORELAX-NEXT:     jalr zero, 0(ra)
  61 # CHECKNORELAX-NEXT:         R_RISCV_ALIGN *ABS*+0x4
  62
  63 .global _start
  64 _start:
  65   call f
  66   call f
  67   .balign 8
  68 f:
  69   ret