blob: 4ba9278dc79c594011b71cb7ae47c20b753b073c (
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
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
|
/*
* ========================================================
*
* NeKernel
* Copyright (C) 2024-2025, Amlal El Mahrouss, licensed under the Apache 2.0 license.
*
* ========================================================
*/
#include <KernelKit/DebugOutput.h>
#include <KernelKit/IPEFDylibObject.h>
#include <KernelKit/PEF.h>
#include <KernelKit/ProcessScheduler.h>
#include <KernelKit/ThreadLocalStorage.h>
#include <NeKit/Defines.h>
/* ========================================
Revision History:
01/02/24: Reworked dll ABI, expect a rtl_init_dylib_pef and
rtl_fini_dylib_pef (amlel)
15/02/24: Breaking changes, changed the name of the
routines. (amlel)
07/28/24: Replace rt_library_free with rtl_fini_dylib_pef
10/8/24: FIX: Fix log comment.
======================================== */
using namespace Kernel;
/***********************************************************************************/
/// @file IPEFDylibObject.cc
/// @brief PEF's Dylib runtime.
///! @author Amlal El Mahrouss (amlal@nekernel.org)
/***********************************************************************************/
/***********************************************************************************/
/** @brief Library initializer. */
/***********************************************************************************/
EXTERN_C IDylibRef rtl_init_dylib_pef(USER_PROCESS& process) {
IDylibRef dll_obj = tls_new_class<IPEFDylibObject>();
if (!dll_obj) {
process.Crash();
return nullptr;
}
dll_obj->Mount(new IPEFDylibObject::DylibTraits());
if (!dll_obj->Get()) {
tls_delete_class(dll_obj);
dll_obj = nullptr;
process.Crash();
return nullptr;
}
dll_obj->Get()->ImageObject = process.Image.LeakBlob().Leak().Leak();
if (!dll_obj->Get()->ImageObject) {
delete dll_obj->Get();
tls_delete_class(dll_obj);
dll_obj = nullptr;
process.Crash();
return nullptr;
}
dll_obj->Get()->ImageEntrypointOffset =
dll_obj->Load<VoidPtr>(kPefStart, rt_string_len(kPefStart, 0), kPefCode);
return dll_obj;
}
/***********************************************************************************/
/** @brief Frees the dll_obj. */
/** @note Please check if the dll_obj got freed! */
/** @param dll_obj The dll_obj to free. */
/** @param successful Reports if successful or not. */
/***********************************************************************************/
EXTERN_C Void rtl_fini_dylib_pef(USER_PROCESS& process, IDylibRef dll_obj, BOOL* successful) {
MUST_PASS(successful);
if (!successful) {
return;
}
// sanity check (will also trigger a bug check if this fails)
if (dll_obj == nullptr) {
*successful = false;
process.Crash();
}
delete dll_obj->Get();
delete dll_obj;
dll_obj = nullptr;
*successful = true;
}
|
