98e5272fe7
Check __LP64__ isn't a reliable way to tell if we are compiling for x32 since __LP64__ isnn't specified by x86-64 psABI. Not all x86-64 compilers define __LP64__, which was added to GCC 3.3. The updated x32 psABI: https://sites.google.com/site/x32abi/documents definse _ILP32 and __ILP32__ for x32. GCC trunk and 4.7 branch have been updated to define _ILP32 and __ILP32__ for x32. This patch replaces __LP64__ check with __ILP32__. Signed-off-by: H.J. Lu <hjl.tools@gmail.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
#ifndef _ASM_X86_UNISTD_H
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#define _ASM_X86_UNISTD_H 1
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/* x32 syscall flag bit */
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#define __X32_SYSCALL_BIT 0x40000000
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#ifdef __KERNEL__
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# ifdef CONFIG_X86_X32_ABI
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# define __SYSCALL_MASK (~(__X32_SYSCALL_BIT))
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# else
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# define __SYSCALL_MASK (~0)
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# endif
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# ifdef CONFIG_X86_32
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# include <asm/unistd_32.h>
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# define __ARCH_WANT_IPC_PARSE_VERSION
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# define __ARCH_WANT_STAT64
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# define __ARCH_WANT_SYS_IPC
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# define __ARCH_WANT_SYS_OLD_MMAP
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# define __ARCH_WANT_SYS_OLD_SELECT
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# else
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# include <asm/unistd_64.h>
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# include <asm/unistd_64_x32.h>
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# define __ARCH_WANT_COMPAT_SYS_TIME
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# endif
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# define __ARCH_WANT_OLD_READDIR
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# define __ARCH_WANT_OLD_STAT
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# define __ARCH_WANT_SYS_ALARM
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# define __ARCH_WANT_SYS_FADVISE64
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# define __ARCH_WANT_SYS_GETHOSTNAME
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# define __ARCH_WANT_SYS_GETPGRP
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# define __ARCH_WANT_SYS_LLSEEK
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# define __ARCH_WANT_SYS_NICE
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# define __ARCH_WANT_SYS_OLDUMOUNT
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# define __ARCH_WANT_SYS_OLD_GETRLIMIT
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# define __ARCH_WANT_SYS_OLD_UNAME
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# define __ARCH_WANT_SYS_PAUSE
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# define __ARCH_WANT_SYS_RT_SIGACTION
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# define __ARCH_WANT_SYS_RT_SIGSUSPEND
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# define __ARCH_WANT_SYS_SGETMASK
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# define __ARCH_WANT_SYS_SIGNAL
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# define __ARCH_WANT_SYS_SIGPENDING
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# define __ARCH_WANT_SYS_SIGPROCMASK
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# define __ARCH_WANT_SYS_SOCKETCALL
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# define __ARCH_WANT_SYS_TIME
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# define __ARCH_WANT_SYS_UTIME
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# define __ARCH_WANT_SYS_WAITPID
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/*
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* "Conditional" syscalls
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*
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* What we want is __attribute__((weak,alias("sys_ni_syscall"))),
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* but it doesn't work on all toolchains, so we just do it by hand
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*/
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# define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
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#else
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# ifdef __i386__
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# include <asm/unistd_32.h>
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# elif defined(__ILP32__)
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# include <asm/unistd_x32.h>
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# else
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# include <asm/unistd_64.h>
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# endif
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#endif
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#endif /* _ASM_X86_UNISTD_H */
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