lld/test/ELF/separate-segments.s

   1 # REQUIRES: x86
   2 # RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
   3
   4 ## -z noseparate-code is the default. All PT_LOAD can have overlapping p_offset
   5 ## ranges at runtime.
   6 # RUN: ld.lld -pie %t.o -o %t
   7 # RUN: llvm-readelf -l %t | FileCheck --check-prefix=NONE %s
   8 # NONE:      LOAD 0x000000 0x0000000000000000 0x0000000000000000 0x000245 0x000245 R   0x1000
   9 # NONE-NEXT: LOAD 0x000248 0x0000000000001248 0x0000000000001248 0x000001 0x000001 R E 0x1000
  10 # NONE-NEXT: LOAD 0x000250 0x0000000000002250 0x0000000000002250 0x000090 0x000db0 RW  0x1000
  11 # NONE-NEXT: LOAD 0x0002e0 0x00000000000032e0 0x00000000000032e0 0x000001 0x000001 RW  0x1000
  12
  13 ## -z separate-code makes text segment (RX) separate.
  14 ## The two RW can have overlapping p_offset ranges at runtime.
  15 # RUN: ld.lld -pie %t.o -z separate-code -o %t
  16 # RUN: llvm-readelf -l %t | FileCheck --check-prefix=CODE %s
  17 # CODE:      LOAD 0x000000 0x0000000000000000 0x0000000000000000 0x000245 0x000245 R   0x1000
  18 # CODE-NEXT: LOAD 0x001000 0x0000000000001000 0x0000000000001000 0x000001 0x000001 R E 0x1000
  19 # CODE-NEXT: LOAD 0x002000 0x0000000000002000 0x0000000000002000 0x000090 0x001000 RW  0x1000
  20 # CODE-NEXT: LOAD 0x002090 0x0000000000003090 0x0000000000003090 0x000001 0x000001 RW  0x1000
  21
  22 ## -z separate-loadable-segments makes all segments separate.
  23 # RUN: ld.lld -pie %t.o -z separate-loadable-segments -o %t
  24 # RUN: llvm-readelf -l %t | FileCheck --check-prefix=ALL %s
  25 # ALL:       LOAD 0x000000 0x0000000000000000 0x0000000000000000 0x000245 0x000245 R   0x1000
  26 # ALL-NEXT:  LOAD 0x001000 0x0000000000001000 0x0000000000001000 0x000001 0x000001 R E 0x1000
  27 # ALL-NEXT:  LOAD 0x002000 0x0000000000002000 0x0000000000002000 0x000090 0x001000 RW  0x1000
  28 # ALL-NEXT:  LOAD 0x003000 0x0000000000003000 0x0000000000003000 0x000001 0x000001 RW  0x1000
  29
  30 nop
  31
  32 .data
  33 .byte 0