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

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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.
This commit is contained in:
Nick Terrell
2021-03-04 21:13:52 -08:00
parent b5fd348a85
commit d2dd35ae65
1 changed files with 14 additions and 4 deletions
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18
contrib/linux-kernel/test/include/asm/unaligned.h
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@@ -4,13 +4,23 @@
#include <assert.h> #include <assert.h>
#include <linux/types.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) static unsigned _isLittleEndian(void)
{ {
const union { uint32_t u; uint8_t c[4]; } one = { 1 }; const union { uint32_t u; uint8_t c[4]; } one = { 1 };
assert(_LITTLE_ENDIAN == one.c[0]); assert(_IS_LITTLE_ENDIAN == one.c[0]);
return _LITTLE_ENDIAN; return _IS_LITTLE_ENDIAN;
} }
static uint16_t _swap16(uint16_t in) static uint16_t _swap16(uint16_t in)
@@ -165,7 +175,7 @@ extern void __bad_unaligned_access_size(void);
(void)0; \ (void)0; \
}) })
#if _LITTLE_ENDIAN #if _IS_LITTLE_ENDIAN
# define get_unaligned __get_unaligned_le # define get_unaligned __get_unaligned_le
# define put_unaligned __put_unaligned_le # define put_unaligned __put_unaligned_le
#else #else