lld/test/ELF/partition-exidx.s

   1 // Test that exidx output sections are created correctly for each partition.
   2
   3 // REQUIRES: arm
   4 // RUN: llvm-mc -filetype=obj -triple=armv7a-none-linux-gnueabi %s -o %t.o
   5 // RUN: ld.lld %t.o -o %t -shared --gc-sections
   6
   7 // RUN: llvm-objcopy --extract-main-partition %t %t0
   8 // RUN: llvm-objcopy --extract-partition=part1 %t %t1
   9
  10 // Change upper case to lower case so that we can match unwind info (which is dumped
  11 // in upper case) against program headers (which are dumped in lower case).
  12 // RUN: llvm-readelf -l --unwind %t0 | tr A-Z a-z | FileCheck --ignore-case %s
  13 // RUN: llvm-readelf -l --unwind %t1 | tr A-Z a-z | FileCheck --ignore-case %s
  14
  15 // CHECK: LOAD  {{[^ ]*}} 0x{{0*}}[[TEXT_ADDR:[0-9a-f]+]] {{.*}} R E
  16 // CHECK: EXIDX 0x{{0*}}[[EXIDX_OFFSET:[0-9a-f]+]] {{.*}} 0x00010 0x00010 R
  17
  18 // Each file should have one exidx section for its text section and one sentinel.
  19 // CHECK:      SectionOffset: 0x[[EXIDX_OFFSET]]
  20 // CHECK-NEXT: Entries [
  21 // CHECK-NEXT:   Entry {
  22 // CHECK-NEXT:     Functionaddress: 0x[[TEXT_ADDR]]
  23 // CHECK-NEXT:     Model: CantUnwind
  24 // CHECK-NEXT:   }
  25 // CHECK-NEXT:   Entry {
  26 // CHECK-NEXT:     FunctionAddress:
  27 // CHECK-NEXT:     Model: CantUnwind
  28 // CHECK-NEXT:   }
  29 // CHECK-NEXT: ]
  30
  31 .section .llvm_sympart,"",%llvm_sympart
  32 .asciz "part1"
  33 .4byte p1
  34
  35 .section .text.p0,"ax",%progbits
  36 .globl p0
  37 p0:
  38 .fnstart
  39 bx lr
  40 .cantunwind
  41 .fnend
  42
  43 .section .text.p1,"ax",%progbits
  44 .globl p1
  45 p1:
  46 .fnstart
  47 bx lr
  48 .cantunwind
  49 .fnend