auto import from //depot/cupcake/@135843

1 files changed, 38 insertions, 0 deletions

diff --git a/libc/kernel/arch-arm/asm/unaligned.h b/libc/kernel/arch-arm/asm/unaligned.h
new file mode 100644
index 0000000..8b9b096
--- /dev/null
+++ b/libc/kernel/arch-arm/asm/unaligned.h
@@ -0,0 +1,38 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __ASM_ARM_UNALIGNED_H
+#define __ASM_ARM_UNALIGNED_H
+
+#include <asm/types.h>
+
+#define __get_unaligned_2_le(__p)   (__p[0] | __p[1] << 8)
+
+#define __get_unaligned_2_be(__p)   (__p[0] << 8 | __p[1])
+
+#define __get_unaligned_4_le(__p)   (__p[0] | __p[1] << 8 | __p[2] << 16 | __p[3] << 24)
+
+#define __get_unaligned_4_be(__p)   (__p[0] << 24 | __p[1] << 16 | __p[2] << 8 | __p[3])
+
+#define __get_unaligned_le(ptr)   ({   __typeof__(*(ptr)) __v;   __u8 *__p = (__u8 *)(ptr);   switch (sizeof(*(ptr))) {   case 1: __v = *(ptr); break;   case 2: __v = __get_unaligned_2_le(__p); break;   case 4: __v = __get_unaligned_4_le(__p); break;   case 8: {   unsigned int __v1, __v2;   __v2 = __get_unaligned_4_le((__p+4));   __v1 = __get_unaligned_4_le(__p);   __v = ((unsigned long long)__v2 << 32 | __v1);   }   break;   default: __v = __bug_unaligned_x(__p); break;   }   __v;   })
+
+#define __get_unaligned_be(ptr)   ({   __typeof__(*(ptr)) __v;   __u8 *__p = (__u8 *)(ptr);   switch (sizeof(*(ptr))) {   case 1: __v = *(ptr); break;   case 2: __v = __get_unaligned_2_be(__p); break;   case 4: __v = __get_unaligned_4_be(__p); break;   case 8: {   unsigned int __v1, __v2;   __v2 = __get_unaligned_4_be(__p);   __v1 = __get_unaligned_4_be((__p+4));   __v = ((unsigned long long)__v2 << 32 | __v1);   }   break;   default: __v = __bug_unaligned_x(__p); break;   }   __v;   })
+
+#define __put_unaligned_le(val,ptr)   ({   switch (sizeof(*(ptr))) {   case 1:   *(ptr) = (val);   break;   case 2: __put_unaligned_2_le((val),(__u8 *)(ptr));   break;   case 4: __put_unaligned_4_le((val),(__u8 *)(ptr));   break;   case 8: __put_unaligned_8_le((val),(__u8 *)(ptr));   break;   default: __bug_unaligned_x(ptr);   break;   }   (void) 0;   })
+#define __put_unaligned_be(val,ptr)   ({   switch (sizeof(*(ptr))) {   case 1:   *(ptr) = (val);   break;   case 2: __put_unaligned_2_be((val),(__u8 *)(ptr));   break;   case 4: __put_unaligned_4_be((val),(__u8 *)(ptr));   break;   case 8: __put_unaligned_8_be((val),(__u8 *)(ptr));   break;   default: __bug_unaligned_x(ptr);   break;   }   (void) 0;   })
+#ifndef __ARMEB__
+#define get_unaligned __get_unaligned_le
+#define put_unaligned __put_unaligned_le
+#else
+#define get_unaligned __get_unaligned_be
+#define put_unaligned __put_unaligned_be
+#endif
+#endif