X-Git-Url: https://git.saurik.com/apple/dyld.git/blobdiff_plain/bac542e65c0030c0d819c7ff1dcfc25892a61844..19894a1236eae932b4028640f24ab843f691d4e4:/unit-tests/test-cases/big-stack/main.c

diff --git a/unit-tests/test-cases/big-stack/main.c b/unit-tests/test-cases/big-stack/main.c
index dc1339a..2c83e2d 100644
--- a/unit-tests/test-cases/big-stack/main.c
+++ b/unit-tests/test-cases/big-stack/main.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2006-2012 Apple Inc. All rights reserved.
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
@@ -31,6 +31,7 @@
 // This builds an executable that needs > 2GB of stack
 //
 
+
 char* keepAlive;	// to keep compiler from optimizing away stack variable
 
 // keep recursing until desired stack size achieved
@@ -38,38 +39,21 @@ void foo(unsigned long long stackSize, char* stackStart)
 {
 	char buffer[32*1024*1024];
 	keepAlive = buffer;
-	if ( (stackStart - buffer) > stackSize )
+	// only recursive if there is enough room for next buffer
+	intptr_t freeStackSpace = (buffer - sizeof(buffer)) - (stackStart - stackSize);
+	//fprintf(stderr, "&buffer=%p, stackStart=%p, freeStackSpace=0x%lx\n", buffer, stackStart, freeStackSpace); 
+	if ( freeStackSpace < sizeof(buffer) )
 		return;
 	else
 		foo(stackSize, stackStart);
 }
 
-#if __ppc__
-static bool isRosetta()
-{
-	int mib[] = { CTL_KERN, KERN_CLASSIC, getpid() };
-	int is_classic = 0;
-	size_t len = sizeof(int);
-	int ret = sysctl(mib, 3, &is_classic, &len, NULL, 0);
-	if ((ret != -1) && is_classic) {
-		// we're running under Rosetta 
-		return true;
-	}
-	return false;
-}
-#endif
 
 int
 main()
 {
 	char start;
-#if __ppc__
-	// programs running under rosetta cannot use large amounts of stack
-	if ( isRosetta() )
-		foo(0x02000000, &start);	
-	else
-#endif	
-		foo(0x81000000, &start);	// 2.1 GB stack
+  foo(STACK_SIZE, &start);	
 	return EXIT_SUCCESS;
 }