From 51d28013db89b6ebecd0c89bd7f527aeddda0a98 Mon Sep 17 00:00:00 2001
From: Andy Polyakov <appro@openssl.org>
Date: Wed, 13 Apr 2005 08:46:35 +0000
Subject: Introduce OPENSSL_NONPIC_relocated to denote relocated DLLs.

---
 crypto/cryptlib.c | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'crypto/cryptlib.c')

diff --git a/crypto/cryptlib.c b/crypto/cryptlib.c
index b2674b2f22..717c030e4c 100644
--- a/crypto/cryptlib.c
+++ b/crypto/cryptlib.c
@@ -545,6 +545,7 @@ const char *CRYPTO_get_lock_name(int type)
 
 unsigned long  OPENSSL_ia32cap_P=0;
 unsigned long *OPENSSL_ia32cap_loc(void) { return &OPENSSL_ia32cap_P; }
+int OPENSSL_NONPIC_relocated=0;
 
 #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
 #define OPENSSL_CPUID_SETUP
@@ -589,6 +590,21 @@ BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason,
 		{
 	case DLL_PROCESS_ATTACH:
 		OPENSSL_cpuid_setup();
+#if defined(_WIN32_WINNT)
+		{
+		IMAGE_DOS_HEADER *dos_header = (IMAGE_DOS_HEADER *)hinstDLL;
+		IMAGE_NT_HEADERS *nt_headers;
+
+		if (dos_header->e_magic==IMAGE_DOS_SIGNATURE)
+			{
+			nt_headers = (IMAGE_NT_HEADERS *)((char *)dos_header
+						+ dos_header->e_lfanew);
+			if (nt_headers->Signature==IMAGE_NT_SIGNATURE &&
+			    histDLL!=(HINSTANCE)(nt_headers->OptionalHeader.ImageBase))
+				OPENSSL_NONPIC_relocated=1;
+			}
+		}
+#endif
 		break;
 	case DLL_THREAD_ATTACH:
 		break;
-- 
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