File: array_end.c

package info (click to toggle)
swiftlang 6.0.3-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 2,519,992 kB
  • sloc: cpp: 9,107,863; ansic: 2,040,022; asm: 1,135,751; python: 296,500; objc: 82,456; f90: 60,502; lisp: 34,951; pascal: 19,946; sh: 18,133; perl: 7,482; ml: 4,937; javascript: 4,117; makefile: 3,840; awk: 3,535; xml: 914; fortran: 619; cs: 573; ruby: 573
file content (23 lines) | stat: -rw-r--r-- 804 bytes parent folder | download | duplicates (14)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
// Test checks that bolt properly finds end section label.
// Linker script contains gap after destructor array, so
// __init_array_end address would not be owned by any section.

// REQUIRES: system-linux
// RUN: %clang %cflags -no-pie %s -o %t.exe -Wl,-q \
// RUN:   -Wl,-T %S/Inputs/array_end.lld_script
// RUN: llvm-bolt %t.exe -o %t.bolt --print-disasm \
// RUN:  --print-only="callFini" | FileCheck %s

// CHECK: adr [[REG:x[0-28]+]], "__fini_array_end/1"

__attribute__((destructor)) void destr() {}

__attribute__((noinline)) void callFini() {
  extern void (*__fini_array_start[])();
  extern void (*__fini_array_end[])();
  unsigned long Count = __fini_array_end - __fini_array_start;
  for (unsigned long I = 0; I < Count; ++I)
    (*__fini_array_start[I])();
}

void _start() { callFini(); }