commit 392aa7cc7d2b122614c5393c3e357da07fd07af3
author Brian Carlstrom <bdc@google.com> Thu Mar 15 16:03:43 2012 -0700
committer Brian Carlstrom <bdc@google.com> Wed Mar 21 11:09:32 2012 -0700
tree 69f0b217fb624fdc56abb9f659c9bdea1b1865aa
parent 7f1d63479ce92a2a4a0874b007e49f8acb13a0d9

openssl-1.0.1 upgrade

Bug: 6168278

Change-Id: I648f9172828120df5d19a14425e9ceec92647921

crypto/cryptlib.c

diff --git a/crypto/cryptlib.c b/crypto/cryptlib.c
index 24fe123..766ea8c 100644
--- a/crypto/cryptlib.c
+++ b/crypto/cryptlib.c
@@ -409,6 +409,10 @@
 void CRYPTO_set_locking_callback(void (*func)(int mode,int type,
 					      const char *file,int line))
 	{
+	/* Calling this here ensures initialisation before any threads
+	 * are started.
+	 */
+	OPENSSL_init();
 	locking_callback=func;
 	}
 
@@ -661,28 +665,52 @@
 	defined(__INTEL__) || \
 	defined(__x86_64) || defined(__x86_64__) || defined(_M_AMD64) || defined(_M_X64)
 
-unsigned long  OPENSSL_ia32cap_P=0;
-unsigned long *OPENSSL_ia32cap_loc(void) { return &OPENSSL_ia32cap_P; }
+unsigned int  OPENSSL_ia32cap_P[2];
+unsigned long *OPENSSL_ia32cap_loc(void)
+{   if (sizeof(long)==4)
+	/*
+	 * If 32-bit application pulls address of OPENSSL_ia32cap_P[0]
+	 * clear second element to maintain the illusion that vector
+	 * is 32-bit.
+	 */
+	OPENSSL_ia32cap_P[1]=0;
+    return (unsigned long *)OPENSSL_ia32cap_P;
+}
 
 #if defined(OPENSSL_CPUID_OBJ) && !defined(OPENSSL_NO_ASM) && !defined(I386_ONLY)
 #define OPENSSL_CPUID_SETUP
+#if defined(_WIN32)
+typedef unsigned __int64 IA32CAP;
+#else
+typedef unsigned long long IA32CAP;
+#endif
 void OPENSSL_cpuid_setup(void)
 { static int trigger=0;
-  unsigned long OPENSSL_ia32_cpuid(void);
+  IA32CAP OPENSSL_ia32_cpuid(void);
+  IA32CAP vec;
   char *env;
 
     if (trigger)	return;
 
     trigger=1;
-    if ((env=getenv("OPENSSL_ia32cap")))
-	OPENSSL_ia32cap_P = strtoul(env,NULL,0)|(1<<10);
+    if ((env=getenv("OPENSSL_ia32cap"))) {
+	int off = (env[0]=='~')?1:0;
+#if defined(_WIN32)
+	if (!sscanf(env+off,"%I64i",&vec)) vec = strtoul(env+off,NULL,0);
+#else
+	if (!sscanf(env+off,"%lli",(long long *)&vec)) vec = strtoul(env+off,NULL,0);
+#endif
+	if (off) vec = OPENSSL_ia32_cpuid()&~vec;
+    }
     else
-	OPENSSL_ia32cap_P = OPENSSL_ia32_cpuid()|(1<<10);
+	vec = OPENSSL_ia32_cpuid();
     /*
      * |(1<<10) sets a reserved bit to signal that variable
      * was initialized already... This is to avoid interference
      * with cpuid snippets in ELF .init segment.
      */
+    OPENSSL_ia32cap_P[0] = (unsigned int)vec|(1<<10);
+    OPENSSL_ia32cap_P[1] = (unsigned int)(vec>>32);
 }
 #endif