File: dso-handle-custom.cpp

package info (click to toggle)
llvm-toolchain-13 1%3A13.0.1-11
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 1,418,840 kB
  • sloc: cpp: 5,290,826; ansic: 996,570; asm: 544,593; python: 188,212; objc: 72,027; lisp: 30,291; f90: 25,395; sh: 24,898; javascript: 9,780; pascal: 9,398; perl: 7,484; ml: 5,432; awk: 3,523; makefile: 2,913; xml: 953; cs: 573; fortran: 539
file content (23 lines) | stat: -rw-r--r-- 855 bytes parent folder | download | duplicates (6) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
 
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -fexceptions %s -o - | FileCheck %s --check-prefixes CHECK,CHECK-DEFAULT
// RUN: %clang_cc1 -triple x86_64-unknown-linux-gnu -emit-llvm -fexceptions %s -o - -DHIDDEN | FileCheck %s --check-prefixes CHECK,CHECK-HIDDEN

class A {
public:
  ~A();
} a;

// CHECK-DEFAULT: @__dso_handle = global i8* bitcast (i8** @__dso_handle to i8*), align 8
// CHECK-HIDDEN: @__dso_handle = hidden global i8* bitcast (i8** @__dso_handle to i8*), align 8
// CHECK: define internal void @__cxx_global_var_init()
// CHECK:   call i32 @__cxa_atexit({{.*}}, {{.*}}, i8* bitcast (i8** @__dso_handle to i8*))

#ifdef HIDDEN
void *__dso_handle __attribute__((__visibility__("hidden"))) = &__dso_handle;
#else
void *__dso_handle = &__dso_handle;
#endif

void use(void *);
void use_dso_handle() {
  use(__dso_handle);
}