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b1322259 RS |
1 | /* |
2 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. | |
3 | * | |
4 | * Licensed under the OpenSSL license (the "License"). You may not use | |
5 | * this file except in compliance with the License. You can obtain a copy | |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
8 | */ | |
9 | ||
84af71a9 RL |
10 | #include "internal/cryptlib_int.h" |
11 | ||
12 | #if defined(_WIN32) || defined(__CYGWIN__) | |
13 | # ifdef __CYGWIN__ | |
14 | /* pick DLL_[PROCESS|THREAD]_[ATTACH|DETACH] definitions */ | |
15 | # include <windows.h> | |
16 | /* | |
17 | * this has side-effect of _WIN32 getting defined, which otherwise is | |
18 | * mutually exclusive with __CYGWIN__... | |
19 | */ | |
20 | # endif | |
21 | ||
22 | /* | |
23 | * All we really need to do is remove the 'error' state when a thread | |
24 | * detaches | |
25 | */ | |
26 | ||
27 | BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved); | |
28 | BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved) | |
29 | { | |
30 | switch (fdwReason) { | |
31 | case DLL_PROCESS_ATTACH: | |
32 | OPENSSL_cpuid_setup(); | |
33 | # if defined(_WIN32_WINNT) | |
34 | { | |
35 | IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *) hinstDLL; | |
36 | IMAGE_NT_HEADERS *nt_headers; | |
37 | ||
38 | if (dos_header->e_magic == IMAGE_DOS_SIGNATURE) { | |
39 | nt_headers = (IMAGE_NT_HEADERS *) ((char *)dos_header | |
40 | + dos_header->e_lfanew); | |
41 | if (nt_headers->Signature == IMAGE_NT_SIGNATURE && | |
42 | hinstDLL != | |
43 | (HINSTANCE) (nt_headers->OptionalHeader.ImageBase)) | |
44 | OPENSSL_NONPIC_relocated = 1; | |
45 | } | |
46 | } | |
47 | # endif | |
48 | break; | |
49 | case DLL_THREAD_ATTACH: | |
50 | break; | |
51 | case DLL_THREAD_DETACH: | |
52 | OPENSSL_thread_stop(); | |
53 | break; | |
54 | case DLL_PROCESS_DETACH: | |
55 | break; | |
56 | } | |
57 | return (TRUE); | |
58 | } | |
59 | #endif | |
60 |