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Define __ASSUME_ALIGNED_REGISTER_PAIRS for missing ports

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This patch defines __ASSUME_ALIGNED_REGISTER_PAIRS for the missing
ports that require 64-bit value (e.g., long long) to be aligned to
an even register pair in argument passing.

No code change is expected, tested with builds for powerpc32,
mips-o32, and armhf.

	* sysdeps/unix/sysv/linux/arm/kernel-features.h
	(__ASSUME_ALIGNED_REGISTER_PAIRS): Define.
	* sysdeps/unix/sysv/linux/mips/kernel-features.h
	[_MIPS_SIM == _ABIO32] (__ASSUME_ALIGNED_REGISTER_PAIRS): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/kernel-features.h
	[!__powerpc64__] (__ASSUME_ALIGNED_REGISTER_PAIRS): Likewise.
This commit is contained in:
Adhemerval Zanella 2015-11-17 18:19:06 -02:00
parent d29fb41f44
commit 482b2f87a8
4 changed files with 25 additions and 0 deletions
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9
ChangeLog
View file

@ -1,3 +1,12 @@
2016-04-11 Adhemerval Zanella <adhemerval.zanella@linaro.org>
* sysdeps/unix/sysv/linux/arm/kernel-features.h
(__ASSUME_ALIGNED_REGISTER_PAIRS): Define.
* sysdeps/unix/sysv/linux/mips/kernel-features.h
[_MIPS_SIM == _ABIO32] (__ASSUME_ALIGNED_REGISTER_PAIRS): Likewise.
* sysdeps/unix/sysv/linux/powerpc/kernel-features.h
[!__powerpc64__] (__ASSUME_ALIGNED_REGISTER_PAIRS): Likewise.
2016-04-11 Florian Weimer <fweimer@redhat.com>
[BZ #19865]

4
sysdeps/unix/sysv/linux/arm/kernel-features.h
View file

@ -27,3 +27,7 @@
# undef __ASSUME_REQUEUE_PI
# undef __ASSUME_SET_ROBUST_LIST
#endif
/* Define this if your 32-bit syscall API requires 64-bit register
pairs to start with an even-number register. */
#define __ASSUME_ALIGNED_REGISTER_PAIRS 1

6
sysdeps/unix/sysv/linux/mips/kernel-features.h
View file

@ -28,3 +28,9 @@
# undef __ASSUME_REQUEUE_PI
# undef __ASSUME_SET_ROBUST_LIST
#endif
/* Define this if your 32-bit syscall API requires 64-bit register
pairs to start with an even-number register. */
#if _MIPS_SIM == _ABIO32
# define __ASSUME_ALIGNED_REGISTER_PAIRS 1
#endif

6
sysdeps/unix/sysv/linux/powerpc/kernel-features.h
View file

@ -42,4 +42,10 @@
/* The sendmmsg syscall was added for PowerPC in 3.0. */
#define __ASSUME_SENDMMSG_SYSCALL_WITH_SOCKETCALL 1
/* Define this if your 32-bit syscall API requires 64-bit register
pairs to start with an even-number register. */
#ifndef __powerpc64__
# define __ASSUME_ALIGNED_REGISTER_PAIRS 1
#endif
#include_next <kernel-features.h>