[contrib][linux-kernel] Fix unaligned.h

Fix the `unaligned.h` shim in the tests that was causing corruption in
the tests. Note that this is a problem with the test shim, not the
kernel code.
dev
Nick Terrell 2021-03-04 21:13:52 -08:00
parent b5fd348a85
commit d2dd35ae65
1 changed files with 14 additions and 4 deletions

View File

@ -4,13 +4,23 @@
#include <assert.h>
#include <linux/types.h>
#define _LITTLE_ENDIAN 1
#ifndef __LITTLE_ENDIAN
# if (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__) || defined(__LITTLE_ENDIAN__)
# define __LITTLE_ENDIAN 1
# endif
#endif
#ifdef __LITTLE_ENDIAN
# define _IS_LITTLE_ENDIAN 1
#else
# define _IS_LITTLE_ENDIAN 0
#endif
static unsigned _isLittleEndian(void)
{
const union { uint32_t u; uint8_t c[4]; } one = { 1 };
assert(_LITTLE_ENDIAN == one.c[0]);
return _LITTLE_ENDIAN;
assert(_IS_LITTLE_ENDIAN == one.c[0]);
return _IS_LITTLE_ENDIAN;
}
static uint16_t _swap16(uint16_t in)
@ -165,7 +175,7 @@ extern void __bad_unaligned_access_size(void);
(void)0; \
})
#if _LITTLE_ENDIAN
#if _IS_LITTLE_ENDIAN
# define get_unaligned __get_unaligned_le
# define put_unaligned __put_unaligned_le
#else