unistd.h.old

自己做的交叉编译工具！gcc-3.4.5,glibc-2.3.6在ubuntu8.04上做的面向kernel-2.6.28的交叉编译工具

#define __NR_fsetxattr			(__NR_SYSCALL_BASE+228)
#define __NR_getxattr			(__NR_SYSCALL_BASE+229)
#define __NR_lgetxattr			(__NR_SYSCALL_BASE+230)
#define __NR_fgetxattr			(__NR_SYSCALL_BASE+231)
#define __NR_listxattr			(__NR_SYSCALL_BASE+232)
#define __NR_llistxattr			(__NR_SYSCALL_BASE+233)
#define __NR_flistxattr			(__NR_SYSCALL_BASE+234)
#define __NR_removexattr		(__NR_SYSCALL_BASE+235)
#define __NR_lremovexattr		(__NR_SYSCALL_BASE+236)
#define __NR_fremovexattr		(__NR_SYSCALL_BASE+237)
#define __NR_tkill			(__NR_SYSCALL_BASE+238)
#define __NR_sendfile64			(__NR_SYSCALL_BASE+239)
#define __NR_futex			(__NR_SYSCALL_BASE+240)
#define __NR_sched_setaffinity		(__NR_SYSCALL_BASE+241)
#define __NR_sched_getaffinity		(__NR_SYSCALL_BASE+242)
#define __NR_io_setup			(__NR_SYSCALL_BASE+243)
#define __NR_io_destroy			(__NR_SYSCALL_BASE+244)
#define __NR_io_getevents		(__NR_SYSCALL_BASE+245)
#define __NR_io_submit			(__NR_SYSCALL_BASE+246)
#define __NR_io_cancel			(__NR_SYSCALL_BASE+247)
#define __NR_exit_group			(__NR_SYSCALL_BASE+248)
#define __NR_lookup_dcookie		(__NR_SYSCALL_BASE+249)
#define __NR_epoll_create		(__NR_SYSCALL_BASE+250)
#define __NR_epoll_ctl			(__NR_SYSCALL_BASE+251)
#define __NR_epoll_wait			(__NR_SYSCALL_BASE+252)
#define __NR_remap_file_pages		(__NR_SYSCALL_BASE+253)
					/* 254 for set_thread_area */
					/* 255 for get_thread_area */
					/* 256 for set_tid_address */

/*
 * The following SWIs are ARM private.
 */
#define __ARM_NR_BASE			(__NR_SYSCALL_BASE+0x0f0000)
#define __ARM_NR_breakpoint		(__ARM_NR_BASE+1)
#define __ARM_NR_cacheflush		(__ARM_NR_BASE+2)
#define __ARM_NR_usr26			(__ARM_NR_BASE+3)
#define __ARM_NR_usr32			(__ARM_NR_BASE+4)

#define __sys2(x) #x
#define __sys1(x) __sys2(x)

#ifndef __syscall
#if defined(__thumb__)
#define __syscall(name)					\
	"push	{r7}\n\t"				\
	"mov	r7, #" __sys1(__NR_##name) "\n\t"	\
	"swi	0\n\t"					\
	"pop	{r7}"
#else
#define __syscall(name) "swi\t" __sys1(__NR_##name) ""
#endif
#endif

#define __syscall_return(type, res)					\
do {									\
	if ((unsigned long)(res) >= (unsigned long)(-125)) {		\
		errno = -(res);						\
		res = -1;						\
	}								\
	return (type) (res);						\
} while (0)

#define _syscall0(type,name)						\
type name(void) {							\
  register long __res_r0 __asm__("r0");					\
  long __res;								\
  __asm__ __volatile__ (						\
  __syscall(name)							\
	: "=r" (__res_r0)						\
	:								\
	: "lr");							\
  __res = __res_r0;							\
  __syscall_return(type,__res);						\
}

#define _syscall1(type,name,type1,arg1) 				\
type name(type1 arg1) { 						\
  register long __r0 __asm__("r0") = (long)arg1;			\
  register long __res_r0 __asm__("r0");					\
  long __res;								\
  __asm__ __volatile__ (						\
  __syscall(name)							\
	: "=r" (__res_r0)						\
	: "r" (__r0)							\
	: "lr");							\
  __res = __res_r0;							\
  __syscall_return(type,__res);						\
}

#define _syscall2(type,name,type1,arg1,type2,arg2)			\
type name(type1 arg1,type2 arg2) {					\
  register long __r0 __asm__("r0") = (long)arg1;			\
  register long __r1 __asm__("r1") = (long)arg2;			\
  register long __res_r0 __asm__("r0");					\
  long __res;								\
  __asm__ __volatile__ (						\
  __syscall(name)							\
	: "=r" (__res_r0)						\
	: "r" (__r0),"r" (__r1) 					\
	: "lr");							\
  __res = __res_r0;							\
  __syscall_return(type,__res);						\
}


#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3)		\
type name(type1 arg1,type2 arg2,type3 arg3) {				\
  register long __r0 __asm__("r0") = (long)arg1;			\
  register long __r1 __asm__("r1") = (long)arg2;			\
  register long __r2 __asm__("r2") = (long)arg3;			\
  register long __res_r0 __asm__("r0");					\
  long __res;								\
  __asm__ __volatile__ (						\
  __syscall(name)							\
	: "=r" (__res_r0)						\
	: "r" (__r0),"r" (__r1),"r" (__r2)				\
	: "lr");							\
  __res = __res_r0;							\
  __syscall_return(type,__res);						\
}


#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4)\
type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) {		\
  register long __r0 __asm__("r0") = (long)arg1;			\
  register long __r1 __asm__("r1") = (long)arg2;			\
  register long __r2 __asm__("r2") = (long)arg3;			\
  register long __r3 __asm__("r3") = (long)arg4;			\
  register long __res_r0 __asm__("r0");					\
  long __res;								\
  __asm__ __volatile__ (						\
  __syscall(name)							\
	: "=r" (__res_r0)						\
	: "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3)			\
	: "lr");							\
  __res = __res_r0;							\
  __syscall_return(type,__res);						\
}
  

#define _syscall5(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5)	\
type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5) {	\
  register long __r0 __asm__("r0") = (long)arg1;			\
  register long __r1 __asm__("r1") = (long)arg2;			\
  register long __r2 __asm__("r2") = (long)arg3;			\
  register long __r3 __asm__("r3") = (long)arg4;			\
  register long __r4 __asm__("r4") = (long)arg5;			\
  register long __res_r0 __asm__("r0");					\
  long __res;								\
  __asm__ __volatile__ (						\
  __syscall(name)							\
	: "=r" (__res_r0)						\
	: "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3),"r" (__r4)	\
	: "lr");							\
  __res = __res_r0;							\
  __syscall_return(type,__res);						\
}

#define _syscall6(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4,type5,arg5,type6,arg6)	\
type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4, type5 arg5, type6 arg6) {	\
  register long __r0 __asm__("r0") = (long)arg1;			\
  register long __r1 __asm__("r1") = (long)arg2;			\
  register long __r2 __asm__("r2") = (long)arg3;			\
  register long __r3 __asm__("r3") = (long)arg4;			\
  register long __r4 __asm__("r4") = (long)arg5;			\
  register long __r5 __asm__("r5") = (long)arg6;			\
  register long __res_r0 __asm__("r0");					\
  long __res;								\
  __asm__ __volatile__ (						\
  __syscall(name)							\
	: "=r" (__res_r0)						\
	: "r" (__r0),"r" (__r1),"r" (__r2),"r" (__r3), "r" (__r4),"r" (__r5)		\
	: "lr");							\
  __res = __res_r0;							\
  __syscall_return(type,__res);						\
}

#ifdef __KERNEL_SYSCALLS__

struct rusage;
asmlinkage long sys_wait4(pid_t pid,unsigned int * stat_addr, int options, struct rusage * ru);

static inline pid_t setsid(void)
{
	extern long sys_setsid(void);
	return sys_setsid();
}

static inline long write(int fd, const char *buf, off_t count)
{
	extern long sys_write(int, const char *, int);
	return sys_write(fd, buf, count);
}

static inline long read(int fd, char *buf, off_t count)
{
	extern long sys_read(int, char *, int);
	return sys_read(fd, buf, count);
}

static inline off_t lseek(int fd, off_t offset, int count)
{
	extern off_t sys_lseek(int, off_t, int);
	return sys_lseek(fd, offset, count);
}

static inline long dup(int fd)
{
	extern long sys_dup(int);
	return sys_dup(fd);
}

static inline long open(const char *file, int flag, int mode)
{
	extern long sys_open(const char *, int, int);
	return sys_open(file, flag, mode);
}

static inline long close(int fd)
{
	extern long sys_close(unsigned int);
	return sys_close(fd);
}

static inline long _exit(int exitcode)
{
	extern long sys_exit(int) __attribute__((noreturn));
	return sys_exit(exitcode);
}

static inline pid_t waitpid(pid_t pid, int *wait_stat, int options)
{
	return sys_wait4((int)pid, wait_stat, options, NULL);
}

/*
 * The following two can't be eliminated yet - they rely on
 * specific conditions.
 */
static inline _syscall3(int,execve,const char *,file,char **,argv,char **,envp);

#endif

/*
 * "Conditional" syscalls
 *
 * What we want is __attribute__((weak,alias("sys_ni_syscall"))),
 * but it doesn't work on all toolchains, so we just do it by hand
 */
#define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall");

#endif /* __ASM_ARM_UNISTD_H */