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gralloc: make private_handle_t layout consistent on 32/64-bit

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private_handle_t's memory layout must be consistent between the 32-bit
and 64-bit gralloc, in case buffers are passed between processes.
Replace the (variably sized) uintptr_t base with a fixed size uint64_t,
and enforce 8-byte alignment for architectures where uint64_t alignment
varies between 32-bit and 64-bit.

Change-Id: I06cb31d4b9620ea18e5b50d3a3142b5adb2d2a14
Signed-off-by: Greg Hackmann <ghackmann@google.com>
This commit is contained in:
Greg Hackmann 2014-03-03 13:10:15 -08:00
parent b96f1083b8
commit f5811ba2df
1 changed files with 1 additions and 1 deletions
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modules/gralloc/gralloc_priv.h
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@ -75,7 +75,7 @@ struct private_handle_t {
int offset;
// FIXME: the attributes below should be out-of-line
uintptr_t base;
uint64_t base __attribute__((aligned(8)));
int pid;
#ifdef __cplusplus