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 -sX %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 -sX %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 -sX %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 -sX %t.64s | FileCheck %s
  17
  18 # NOSDATA:      .rodata  PROGBITS
  19 # NOSDATA-NEXT: .text    PROGBITS
  20 # NOSDATA-NEXT: .tdata   PROGBITS [[#%x,TDATA:]]
  21 # NOSDATA-NEXT: .tbss    NOBITS
  22 # NOSDATA-NEXT: .dynamic DYNAMIC
  23 # NOSDATA-NEXT: .got     PROGBITS
  24 # NOSDATA-NEXT: .relro_padding NOBITS
  25 # NOSDATA-NEXT: .data    PROGBITS [[#%x,DATA:]]
  26 # NOSDATA-NEXT: .bss     NOBITS   [[#%x,BSS:]]
  27
  28 ## If there is an undefined reference to __global_pointer$ but .sdata doesn't
  29 ## exist, define __global_pointer$ and set its st_shndx arbitrarily to 1.
  30 ## The symbol value should not be used by the program.
  31
  32 # NOSDATA-DAG:  [[#]]: {{.*}}                 0 NOTYPE  GLOBAL DEFAULT [[#]] (.text) _etext
  33 # NOSDATA-DAG:  [[#]]: {{0*}}[[#BSS]]         0 NOTYPE  GLOBAL DEFAULT [[#]] (.data) _edata
  34 # NOSDATA-DAG:  [[#]]: {{0*}}[[#BSS]]         0 NOTYPE  GLOBAL DEFAULT [[#]] (.bss) __bss_start
  35 # NOSDATA-DAG:  [[#]]: {{0*}}800              0 NOTYPE  GLOBAL DEFAULT  1 (.dynsym) __global_pointer$
  36
  37 # CHECK:      .rodata    PROGBITS
  38 # CHECK-NEXT: .srodata   PROGBITS
  39 # CHECK-NEXT: .text      PROGBITS
  40 # CHECK-NEXT: .tdata     PROGBITS
  41 # CHECK-NEXT: .tbss      NOBITS
  42 # CHECK-NEXT: .dynamic   DYNAMIC
  43 # CHECK-NEXT: .got       PROGBITS
  44 # CHECK-NEXT: .relro_padding NOBITS
  45 # CHECK-NEXT: .data      PROGBITS
  46 # CHECK-NEXT: .sdata     PROGBITS [[#%x,SDATA:]]
  47 # CHECK-NEXT: .sbss      NOBITS   [[#%x,SBSS:]]
  48 # CHECK-NEXT: .bss       NOBITS
  49
  50 # CHECK-DAG:  [[#]]: {{0*}}[[#SBSS]]        0 NOTYPE  GLOBAL DEFAULT [[#]] (.sdata) _edata
  51 # CHECK-DAG:  [[#]]: {{0*}}[[#SBSS]]        0 NOTYPE  GLOBAL DEFAULT [[#]] (.sbss) __bss_start
  52 # CHECK-DAG:  [[#]]: {{0*}}[[#SDATA+0x800]] 0 NOTYPE  GLOBAL DEFAULT [[#]] (.sdata) __global_pointer$
  53
  54 .globl _etext, _edata, __bss_start
  55   lla gp, __global_pointer$
  56
  57 .section .rodata,"a",@progbits; .space 1
  58 .section .data,"aw",@progbits; .long _GLOBAL_OFFSET_TABLE_ - .
  59 .section .bss,"aw",@nobits; .space 1
  60 .section .tdata,"awT",@progbits; .space 1
  61 .section .tbss,"awT",@nobits; .space 1
  62 .ifdef SDATA
  63 .section .sdata,"aw",@progbits; .space 1
  64 .section .sdata.suffix,"aw",@progbits; .space 1
  65 .section .sbss,"aw",@nobits; .space 1
  66 .section .sbss.suffix,"aw",@nobits; .space 1
  67 .section .srodata,"a",@progbits; .space 1
  68 .section .srodata.suffix,"a",@progbits; .space 1
  69 .endif