blob: f0f18266e8a5b5aec99a6f37f4ccd6b041fa17ba (
plain)
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
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
// Licensed under the Apache License, Version 2.0 (see LICENSE file)
// Official repository: https://github.com/nekernel-org/nekernel
#include <KernelKit/DebugOutput.h>
#include <KernelKit/KPC.h>
#include <KernelKit/UserProcessScheduler.h>
#include <NeKit/CxxAbi.h>
atexit_func_entry_t __atexit_funcs[kAtExitMacDestructors];
uarch_t __atexit_func_count;
/// @brief dynamic shared object Handle.
Kernel::UIntPtr __dso_handle;
EXTERN_C Kernel::Void __cxa_pure_virtual(void* self) {
(Kernel::Void)(Kernel::kout << "object: "
<< Kernel::number(reinterpret_cast<Kernel::UIntPtr>(self)));
(Kernel::Void)(Kernel::kout << ", has unimplemented virtual functions.\r");
}
EXTERN_C void ___chkstk_ms(PtrDiff frame_size) {
char* sp;
asm volatile("mov %%rsp, %0" : "=r"(sp));
for (PtrDiff offset = kPageSize; offset < frame_size; offset += kPageSize) {
sp[-offset] = 0;
}
}
EXTERN_C int atexit(void (*f)()) {
if (__atexit_func_count >= kAtExitMacDestructors) return 1;
__atexit_funcs[__atexit_func_count].destructor_func = f;
__atexit_func_count++;
return 0;
}
EXTERN_C void __cxa_finalize(void* f) {
uarch_t i = __atexit_func_count;
if (!f) {
while (i--) {
if (__atexit_funcs[i].destructor_func) {
(*__atexit_funcs[i].destructor_func)();
};
}
return;
}
while (i--) {
if (__atexit_funcs[i].destructor_func) {
(*__atexit_funcs[i].destructor_func)();
__atexit_funcs[i].destructor_func = 0;
};
}
}
namespace cxxabiv1 {
EXTERN_C int __cxa_guard_acquire(__guard g) {
if ((*g & 1) || (*g & 2)) return 1;
*g |= 2;
return 0;
}
EXTERN_C void __cxa_guard_release(__guard g) {
*g |= 1;
*g &= 2;
}
EXTERN_C void __cxa_guard_abort(__guard g) {
*g &= ~2;
}
} // namespace cxxabiv1
|
