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posix_types: Introduce __kernel_[u]long_t 

Introduce __kernel_[u]long_t, which allows an ABI to override all
defaults of type [unsigned] long.

This enables x32 and potentially other 32-bit userspace on 64-bit
kernel ABIs.

Signed-off-by: H. Peter Anvin <hpa@zytor.com>
This commit is contained in:
H. Peter Anvin 2012-02-14 13:11:31 -08:00
parent d8e5ddef21
commit afead38d01
1 changed files with 14 additions and 9 deletions
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23
include/asm-generic/posix_types.h
View File

@ -10,8 +10,13 @@
* architectures, so that you can override them.
*/
#ifndef __kernel_long_t
typedef long __kernel_long_t;
typedef unsigned long __kernel_ulong_t;
#endif
#ifndef __kernel_ino_t
typedef unsigned long __kernel_ino_t;
typedef __kernel_ulong_t __kernel_ino_t;
#endif
#ifndef __kernel_mode_t
@ -19,7 +24,7 @@ typedef unsigned int __kernel_mode_t;
#endif
#ifndef __kernel_nlink_t
typedef unsigned long __kernel_nlink_t;
typedef __kernel_ulong_t __kernel_nlink_t;
#endif
#ifndef __kernel_pid_t
@ -36,7 +41,7 @@ typedef unsigned int __kernel_gid_t;
#endif
#ifndef __kernel_suseconds_t
typedef long __kernel_suseconds_t;
typedef __kernel_long_t __kernel_suseconds_t;
#endif
#ifndef __kernel_daddr_t
@ -67,9 +72,9 @@ typedef unsigned int __kernel_size_t;
typedef int __kernel_ssize_t;
typedef int __kernel_ptrdiff_t;
#else
typedef unsigned long __kernel_size_t;
typedef long __kernel_ssize_t;
typedef long __kernel_ptrdiff_t;
typedef __kernel_ulong_t __kernel_size_t;
typedef __kernel_long_t __kernel_ssize_t;
typedef __kernel_long_t __kernel_ptrdiff_t;
#endif
#endif
@ -82,10 +87,10 @@ typedef struct {
/*
* anything below here should be completely generic
*/
typedef long __kernel_off_t;
typedef __kernel_long_t __kernel_off_t;
typedef long long __kernel_loff_t;
typedef long __kernel_time_t;
typedef long __kernel_clock_t;
typedef __kernel_long_t __kernel_time_t;
typedef __kernel_long_t __kernel_clock_t;
typedef int __kernel_timer_t;
typedef int __kernel_clockid_t;
typedef char * __kernel_caddr_t;