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arm64: Add __NR_* definitions for compat syscalls

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This patch adds __NR_* definitions to asm/unistd32.h, moves the
__NR_compat_* definitions to asm/unistd.h and removes all the explicit
unistd32.h includes apart from the one building the compat syscall
table. The aim is to have the compat __NR_* definitions available but
without colliding with the native syscall definitions (required by
lib/compat_audit.c to avoid duplicating the audit header files between
native and compat).

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Catalin Marinas 2014-01-30 17:56:56 +00:00
parent 6c81fe7925
commit f3e5c847ec
6 changed files with 786 additions and 404 deletions
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17
arch/arm64/include/asm/unistd.h
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@ -26,7 +26,24 @@
#define __ARCH_WANT_COMPAT_SYS_SENDFILE
#define __ARCH_WANT_SYS_FORK
#define __ARCH_WANT_SYS_VFORK
/*
* Compat syscall numbers used by the AArch64 kernel.
*/
#define __NR_compat_restart_syscall 0
#define __NR_compat_sigreturn 119
#define __NR_compat_rt_sigreturn 173
/*
* The following SVCs are ARM private.
*/
#define __ARM_NR_COMPAT_BASE 0x0f0000
#define __ARM_NR_compat_cacheflush (__ARM_NR_COMPAT_BASE+2)
#define __ARM_NR_compat_set_tls (__ARM_NR_COMPAT_BASE+5)
#define __NR_compat_syscalls 383
#endif
#define __ARCH_WANT_SYS_CLONE
#include <uapi/asm/unistd.h>

1166
arch/arm64/include/asm/unistd32.h
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File diff suppressed because it is too large Load Diff

1
arch/arm64/kernel/entry.S
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@ -27,7 +27,6 @@
#include <asm/esr.h>
#include <asm/thread_info.h>
#include <asm/unistd.h>
#include <asm/unistd32.h>
/*
* Context tracking subsystem. Used to instrument transitions

2
arch/arm64/kernel/kuser32.S
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@ -28,7 +28,7 @@
* See Documentation/arm/kernel_user_helpers.txt for formal definitions.
*/
#include <asm/unistd32.h>
#include <asm/unistd.h>
.align 5
.globl __kuser_helper_start

2
arch/arm64/kernel/signal32.c
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@ -27,7 +27,7 @@
#include <asm/fpsimd.h>
#include <asm/signal32.h>
#include <asm/uaccess.h>
#include <asm/unistd32.h>
#include <asm/unistd.h>
struct compat_sigcontext {
/* We always set these two fields to 0 */

2
arch/arm64/kernel/sys_compat.c
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@ -26,7 +26,7 @@
#include <linux/uaccess.h>
#include <asm/cacheflush.h>
#include <asm/unistd32.h>
#include <asm/unistd.h>
static inline void
do_compat_cache_op(unsigned long start, unsigned long end, int flags)