Initial Contributionandroid-1.0release-1.0cdma-import

1 files changed, 54 insertions, 0 deletions

diff --git a/libc/malloc.c b/libc/malloc.c
new file mode 100644
index 0000000..0d2880a
--- /dev/null
+++ b/libc/malloc.c
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *  * Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  * Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the 
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+extern unsigned BOOTLOADER_HEAP;
+
+static unsigned __alloc_next = (unsigned) &BOOTLOADER_HEAP;
+    
+void *alloc(unsigned sz)
+{
+    void *ptr;
+    
+    ptr = (void*) __alloc_next;
+    __alloc_next = (__alloc_next + sz + 31) & (~31);
+
+    return ptr;
+}
+
+void *alloc_page_aligned(unsigned sz)
+{
+    __alloc_next = (__alloc_next + 4095) & (~4095);
+    
+    return alloc(sz);
+}
+
+void func(unsigned n)
+{
+    __alloc_next *= n;
+    __alloc_next *= n;
+}