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i965: use mmap64 for Android

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Simplify the handling of mmap for Android by using mmap64 instead. mmap64
may have not existed for Android when this was written, but it's been
around since 2013.

Reviewed-by: Emil Velikov <emil.velikov@collabora.com>
Signed-off-by: Rob Herring <robh@kernel.org>
This commit is contained in:
Rob Herring 2017-05-23 14:43:30 -05:00
parent 51f9851753
commit 0dabb9d9fa
1 changed files with 3 additions and 16 deletions
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19
src/mesa/drivers/dri/i965/libdrm_macros.h
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@ -29,26 +29,13 @@
#include <sys/mman.h>
#if defined(ANDROID) && !defined(__LP64__)
#include <errno.h> /* for EINVAL */
extern void *__mmap2(void *, size_t, int, int, int, size_t);
static inline void *drm_mmap(void *addr, size_t length, int prot, int flags,
int fd, loff_t offset)
{
/* offset must be aligned to 4096 (not necessarily the page size) */
if (offset & 4095) {
errno = EINVAL;
return MAP_FAILED;
}
return __mmap2(addr, length, prot, flags, fd, (size_t) (offset >> 12));
}
/* 32-bit needs mmap64 for 64-bit offsets */
# define drm_mmap(addr, length, prot, flags, fd, offset) \
mmap64(addr, length, prot, flags, fd, offset)
# define drm_munmap(addr, length) \
munmap(addr, length)
#else
/* assume large file support exists */