File: pre_init_fini_array_missing.s

package info (click to toggle)
llvm-toolchain-19 1%3A19.1.7-3
  • links: PTS, VCS
  • area: main
  • in suites: trixie
  • size: 1,998,520 kB
  • sloc: cpp: 6,951,680; ansic: 1,486,157; asm: 913,598; python: 232,024; f90: 80,126; objc: 75,281; lisp: 37,276; pascal: 16,990; sh: 10,009; ml: 5,058; perl: 4,724; awk: 3,523; makefile: 3,167; javascript: 2,504; xml: 892; fortran: 664; cs: 573
file content (39 lines) | stat: -rw-r--r-- 1,295 bytes parent folder | download | duplicates (9)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
// REQUIRES: x86
// RUN: llvm-mc -filetype=obj -triple=x86_64 %s -o %t.o
// RUN: ld.lld %t.o -o %t
// RUN: llvm-objdump -d --no-show-raw-insn %t | FileCheck %s
// RUN: ld.lld -pie %t.o -o %t2
// RUN: llvm-objdump -d --no-show-raw-insn %t2 | FileCheck --check-prefix=PIE %s

.globl _start
_start:
  call __preinit_array_start
  call __preinit_array_end
  call __init_array_start
  call __init_array_end
  call __fini_array_start
  call __fini_array_end

/// Due to __init_array_start/__init_array_end, .init_array is retained.

// CHECK: Disassembly of section .text:
// CHECK-EMPTY:
// CHECK-NEXT:  <_start>:
// CHECK-NEXT:   201120:       callq    0x200000
// CHECK-NEXT:                 callq    0x200000
// CHECK-NEXT:                 callq    0x200000
// CHECK-NEXT:                 callq    0x200000
// CHECK-NEXT:                 callq    0x200000
// CHECK-NEXT:                 callq    0x200000

// In position-independent binaries, they resolve to .text too.

// PIE:      Disassembly of section .text:
// PIE-EMPTY:
// PIE-NEXT: <_start>:
// PIE-NEXT:     1210:       callq   0x0
// PIE-NEXT:                 callq   0x0
// PIE-NEXT:                 callq   0x0
// PIE-NEXT:                 callq   0x0
// PIE-NEXT:                 callq   0x0
// PIE-NEXT:                 callq   0x0