lld/test/ELF/riscv-section-layout.s

   1 # REQUIRES: riscv
   2 ## Test RISC-V specific section layout. See also section-layout.s and riscv-gp.s.
   3
   4 # RUN: llvm-mc -filetype=obj -triple=riscv32 %s -o %t.32.o
   5 # RUN: ld.lld -pie %t.32.o -o %t.32
   6 # RUN: llvm-readelf -S -s %t.32 | FileCheck %s --check-prefix=NOSDATA
   7 # RUN: llvm-mc -filetype=obj -triple=riscv32 --defsym=SDATA=1 %s -o %t.32s.o
   8 # RUN: ld.lld -pie %t.32s.o -o %t.32s
   9 # RUN: llvm-readelf -S -s %t.32s | FileCheck %s
  10
  11 # RUN: llvm-mc -filetype=obj -triple=riscv64 %s -o %t.64.o
  12 # RUN: ld.lld -pie %t.64.o -o %t.64
  13 # RUN: llvm-readelf -S -s %t.64 | FileCheck %s --check-prefix=NOSDATA
  14 # RUN: llvm-mc -filetype=obj -triple=riscv64 --defsym=SDATA=1 %s -o %t.64s.o
  15 # RUN: ld.lld -pie %t.64s.o -o %t.64s
  16 # RUN: llvm-readelf -S -s %t.64s | FileCheck %s
  17
  18 # NOSDATA:      .text
  19 # NOSDATA-NEXT: .tdata
  20 # NOSDATA-NEXT: .tbss
  21 # NOSDATA-NEXT: .dynamic
  22 # NOSDATA-NEXT: .got
  23 # NOSDATA-NEXT: .relro_padding
  24 # NOSDATA-NEXT: .data    PROGBITS [[#%x,DATA:]]
  25 # NOSDATA-NEXT: .bss     NOBITS   [[#%x,BSS:]]
  26
  27 ## If there is an undefined reference to __global_pointer$ but .sdata doesn't
  28 ## exist, define __global_pointer$ and set its st_shndx arbitrarily to 1.
  29 ## The symbol value should not be used by the program.
  30
  31 # NOSDATA-DAG:  [[#]]: {{0*}}[[#BSS]]         0 NOTYPE  GLOBAL DEFAULT [[#]] _edata
  32 # NOSDATA-DAG:  [[#]]: {{0*}}[[#BSS]]         0 NOTYPE  GLOBAL DEFAULT [[#]] __bss_start
  33 # NOSDATA-DAG:  [[#]]: {{0*}}800              0 NOTYPE  GLOBAL DEFAULT     1 __global_pointer$
  34
  35 # CHECK:      .text
  36 # CHECK-NEXT: .tdata
  37 # CHECK-NEXT: .tbss
  38 # CHECK-NEXT: .dynamic
  39 # CHECK-NEXT: .got
  40 # CHECK-NEXT: .relro_padding
  41 # CHECK-NEXT: .data
  42 # CHECK-NEXT: .sdata     PROGBITS [[#%x,SDATA:]]
  43 # CHECK-NEXT: .sbss      NOBITS   [[#%x,SBSS:]]
  44 # CHECK-NEXT: .bss
  45
  46 # CHECK-DAG:  [[#]]: {{0*}}[[#SBSS]]        0 NOTYPE  GLOBAL DEFAULT [[#]] _edata
  47 # CHECK-DAG:  [[#]]: {{0*}}[[#SBSS]]        0 NOTYPE  GLOBAL DEFAULT [[#]] __bss_start
  48 # CHECK-DAG:  [[#]]: {{0*}}[[#SDATA+0x800]] 0 NOTYPE  GLOBAL DEFAULT [[#]] __global_pointer$
  49
  50 .globl _edata, __bss_start
  51   lla gp, __global_pointer$
  52
  53 .section .data,"aw",@progbits; .long _GLOBAL_OFFSET_TABLE_ - .
  54 .section .bss,"aw",@nobits; .space 1
  55 .section .tdata,"awT",@progbits; .space 1
  56 .section .tbss,"awT",@nobits; .space 1
  57 .ifdef SDATA
  58 .section .sdata,"aw",@progbits; .space 1
  59 .section .sbss,"aw",@nobits; .space 1
  60 .endif