unistd.h
来自「Linux Kernel 2.6.9 for OMAP1710」· C头文件 代码 · 共 1,005 行 · 第 1/3 页
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#define __NR_rt_sigqueueinfo (__NR_Linux + 178)#define __NR_rt_sigsuspend (__NR_Linux + 179)#define __NR_chown (__NR_Linux + 180)#define __NR_setsockopt (__NR_Linux + 181)#define __NR_getsockopt (__NR_Linux + 182)#define __NR_sendmsg (__NR_Linux + 183)#define __NR_recvmsg (__NR_Linux + 184)#define __NR_semop (__NR_Linux + 185)#define __NR_semget (__NR_Linux + 186)#define __NR_semctl (__NR_Linux + 187)#define __NR_msgsnd (__NR_Linux + 188)#define __NR_msgrcv (__NR_Linux + 189)#define __NR_msgget (__NR_Linux + 190)#define __NR_msgctl (__NR_Linux + 191)#define __NR_shmat (__NR_Linux + 192)#define __NR_shmdt (__NR_Linux + 193)#define __NR_shmget (__NR_Linux + 194)#define __NR_shmctl (__NR_Linux + 195)#define __NR_getpmsg (__NR_Linux + 196) /* some people actually want streams */#define __NR_putpmsg (__NR_Linux + 197) /* some people actually want streams */#define __NR_lstat64 (__NR_Linux + 198)#define __NR_truncate64 (__NR_Linux + 199)#define __NR_ftruncate64 (__NR_Linux + 200)#define __NR_getdents64 (__NR_Linux + 201)#define __NR_fcntl64 (__NR_Linux + 202)#define __NR_attrctl (__NR_Linux + 203)#define __NR_acl_get (__NR_Linux + 204)#define __NR_acl_set (__NR_Linux + 205)#define __NR_gettid (__NR_Linux + 206)#define __NR_readahead (__NR_Linux + 207)#define __NR_tkill (__NR_Linux + 208)#define __NR_sendfile64 (__NR_Linux + 209)#define __NR_futex (__NR_Linux + 210)#define __NR_sched_setaffinity (__NR_Linux + 211)#define __NR_sched_getaffinity (__NR_Linux + 212)#define __NR_set_thread_area (__NR_Linux + 213)#define __NR_get_thread_area (__NR_Linux + 214)#define __NR_io_setup (__NR_Linux + 215)#define __NR_io_destroy (__NR_Linux + 216)#define __NR_io_getevents (__NR_Linux + 217)#define __NR_io_submit (__NR_Linux + 218)#define __NR_io_cancel (__NR_Linux + 219)#define __NR_alloc_hugepages (__NR_Linux + 220)#define __NR_free_hugepages (__NR_Linux + 221)#define __NR_exit_group (__NR_Linux + 222)#define __NR_lookup_dcookie (__NR_Linux + 223)#define __NR_epoll_create (__NR_Linux + 224)#define __NR_epoll_ctl (__NR_Linux + 225)#define __NR_epoll_wait (__NR_Linux + 226)#define __NR_remap_file_pages (__NR_Linux + 227)#define __NR_semtimedop (__NR_Linux + 228)#define __NR_mq_open (__NR_Linux + 229) /* Keep the mq_* syscalls together */#define __NR_mq_unlink (__NR_Linux + 230)#define __NR_mq_timedsend (__NR_Linux + 231)#define __NR_mq_timedreceive (__NR_Linux + 232)#define __NR_mq_notify (__NR_Linux + 233)#define __NR_mq_getsetattr (__NR_Linux + 234)#define __NR_Linux_syscalls 235#define HPUX_GATEWAY_ADDR 0xC0000004#define LINUX_GATEWAY_ADDR 0x100#ifndef __ASSEMBLY__#define SYS_ify(syscall_name) __NR_##syscall_name/* Assume all syscalls are done from PIC code just to be * safe. The worst case scenario is that you lose a register * and save/restore r19 across the syscall. */#define PIC#ifndef ASM_LINE_SEP# define ASM_LINE_SEP ;#endif/* Definition taken from glibc 2.3.3 * sysdeps/unix/sysv/linux/hppa/sysdep.h */#ifdef PIC/* WARNING: CANNOT BE USED IN A NOP! */# define K_STW_PIC stw %r19, -32(%sr0, %sp) ASM_LINE_SEP# define K_LDW_PIC ldw -32(%sr0, %sp), %r19 ASM_LINE_SEP# define K_STW_ASM_PIC " copy %%r19, %%r4\n"# define K_LDW_ASM_PIC " copy %%r4, %%r19\n"# define K_USING_GR4 "%r4",#else# define K_STW_PIC ASM_LINE_SEP# define K_LDW_PIC ASM_LINE_SEP# define K_STW_ASM_PIC " \n"# define K_LDW_ASM_PIC " \n"# define K_USING_GR4#endif/* GCC has to be warned that a syscall may clobber all the ABI registers listed as "caller-saves", see page 8, Table 2 in section 2.2.6 of the PA-RISC RUN-TIME architecture document. However! r28 is the result and will conflict with the clobber list so it is left out. Also the input arguments registers r20 -> r26 will conflict with the list so they are treated specially. Although r19 is clobbered by the syscall we cannot say this because it would violate ABI, thus we say r4 is clobbered and use that register to save/restore r19 across the syscall. */#define K_CALL_CLOB_REGS "%r1", "%r2", K_USING_GR4 \ "%r20", "%r29", "%r31"#undef K_INLINE_SYSCALL#define K_INLINE_SYSCALL(name, nr, args...) ({ \ long __sys_res; \ { \ register unsigned long __res asm("r28"); \ K_LOAD_ARGS_##nr(args) \ /* FIXME: HACK stw/ldw r19 around syscall */ \ asm volatile( \ K_STW_ASM_PIC \ " ble 0x100(%%sr2, %%r0)\n" \ " ldi %1, %%r20\n" \ K_LDW_ASM_PIC \ : "=r" (__res) \ : "i" (SYS_ify(name)) K_ASM_ARGS_##nr \ : K_CALL_CLOB_REGS K_CLOB_ARGS_##nr \ ); \ __sys_res = (long)__res; \ } \ if ( (unsigned long)__sys_res >= (unsigned long)-4095 ){ \ errno = -__sys_res); \ __sys_res = -1; \ } \ __sys_res; \})#define K_LOAD_ARGS_0()#define K_LOAD_ARGS_1(r26) \ register unsigned long __r26 __asm__("r26") = (unsigned long)(r26); \ K_LOAD_ARGS_0()#define K_LOAD_ARGS_2(r26,r25) \ register unsigned long __r25 __asm__("r25") = (unsigned long)(r25); \ K_LOAD_ARGS_1(r26)#define K_LOAD_ARGS_3(r26,r25,r24) \ register unsigned long __r24 __asm__("r24") = (unsigned long)(r24); \ K_LOAD_ARGS_2(r26,r25)#define K_LOAD_ARGS_4(r26,r25,r24,r23) \ register unsigned long __r23 __asm__("r23") = (unsigned long)(r23); \ K_LOAD_ARGS_3(r26,r25,r24)#define K_LOAD_ARGS_5(r26,r25,r24,r23,r22) \ register unsigned long __r22 __asm__("r22") = (unsigned long)(r22); \ K_LOAD_ARGS_4(r26,r25,r24,r23)#define K_LOAD_ARGS_6(r26,r25,r24,r23,r22,r21) \ register unsigned long __r21 __asm__("r21") = (unsigned long)(r21); \ K_LOAD_ARGS_5(r26,r25,r24,r23,r22)/* Even with zero args we use r20 for the syscall number */#define K_ASM_ARGS_0#define K_ASM_ARGS_1 K_ASM_ARGS_0, "r" (__r26)#define K_ASM_ARGS_2 K_ASM_ARGS_1, "r" (__r25)#define K_ASM_ARGS_3 K_ASM_ARGS_2, "r" (__r24)#define K_ASM_ARGS_4 K_ASM_ARGS_3, "r" (__r23)#define K_ASM_ARGS_5 K_ASM_ARGS_4, "r" (__r22)#define K_ASM_ARGS_6 K_ASM_ARGS_5, "r" (__r21)/* The registers not listed as inputs but clobbered */#define K_CLOB_ARGS_6#define K_CLOB_ARGS_5 K_CLOB_ARGS_6, "%r21"#define K_CLOB_ARGS_4 K_CLOB_ARGS_5, "%r22"#define K_CLOB_ARGS_3 K_CLOB_ARGS_4, "%r23"#define K_CLOB_ARGS_2 K_CLOB_ARGS_3, "%r24"#define K_CLOB_ARGS_1 K_CLOB_ARGS_2, "%r25"#define K_CLOB_ARGS_0 K_CLOB_ARGS_1, "%r26"#define _syscall0(type,name) \type name(void) \{ \ return K_INLINE_SYSCALL(name, 0); \}#define _syscall1(type,name,type1,arg1) \type name(type1 arg1) \{ \ return K_INLINE_SYSCALL(name, 1, arg1); \}#define _syscall2(type,name,type1,arg1,type2,arg2) \type name(type1 arg1, type2 arg2) \{ \ return K_INLINE_SYSCALL(name, 2, arg1, arg2); \}#define _syscall3(type,name,type1,arg1,type2,arg2,type3,arg3) \type name(type1 arg1, type2 arg2, type3 arg3) \{ \ return K_INLINE_SYSCALL(name, 3, arg1, arg2, arg3); \}#define _syscall4(type,name,type1,arg1,type2,arg2,type3,arg3,type4,arg4) \type name(type1 arg1, type2 arg2, type3 arg3, type4 arg4) \{ \ return K_INLINE_SYSCALL(name, 4, arg1, arg2, arg3, arg4); \}/* select takes 5 arguments */#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) \{ \ return K_INLINE_SYSCALL(name, 5, arg1, arg2, arg3, arg4, arg5); \}#ifdef __KERNEL__#define __ARCH_WANT_OLD_READDIR#define __ARCH_WANT_STAT64#define __ARCH_WANT_SYS_ALARM#define __ARCH_WANT_SYS_GETHOSTNAME#define __ARCH_WANT_SYS_PAUSE#define __ARCH_WANT_SYS_SGETMASK#define __ARCH_WANT_SYS_SIGNAL#define __ARCH_WANT_SYS_TIME#define __ARCH_WANT_SYS_UTIME#define __ARCH_WANT_SYS_WAITPID#define __ARCH_WANT_SYS_SOCKETCALL#define __ARCH_WANT_SYS_FADVISE64#define __ARCH_WANT_SYS_GETPGRP#define __ARCH_WANT_SYS_LLSEEK#define __ARCH_WANT_SYS_NICE#define __ARCH_WANT_SYS_OLD_GETRLIMIT#define __ARCH_WANT_SYS_OLDUMOUNT#define __ARCH_WANT_SYS_SIGPENDING#define __ARCH_WANT_SYS_SIGPROCMASK#define __ARCH_WANT_SYS_RT_SIGACTION#endif/* mmap & mmap2 take 6 arguments */#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) \{ \ return K_INLINE_SYSCALL(name, 6, arg1, arg2, arg3, arg4, arg5, arg6); \}#ifdef __KERNEL_SYSCALLS__#include <asm/current.h>#include <linux/compiler.h>#include <linux/types.h>#include <linux/syscalls.h>static inline pid_t setsid(void){ return sys_setsid();}static inline int write(int fd, const char *buf, off_t count){ return sys_write(fd, buf, count);}static inline int read(int fd, char *buf, off_t count){ return sys_read(fd, buf, count);}static inline off_t lseek(int fd, off_t offset, int count){ return sys_lseek(fd, offset, count);}static inline int dup(int fd){ return sys_dup(fd);}static inline int execve(char *filename, char * argv [], char * envp[]){ extern int __execve(char *, char **, char **, struct task_struct *); return __execve(filename, argv, envp, current);}static inline int open(const char *file, int flag, int mode){ return sys_open(file, flag, mode);}static inline int close(int fd){ return sys_close(fd);}static inline void _exit(int exitcode){ sys_exit(exitcode);}static inline pid_t waitpid(pid_t pid, int *wait_stat, int options){ return sys_wait4(pid, wait_stat, options, NULL);}asmlinkage unsigned long sys_mmap(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long offset);asmlinkage unsigned long sys_mmap2(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags, unsigned long fd, unsigned long pgoff);struct pt_regs;asmlinkage int sys_execve(struct pt_regs *regs);int sys_clone(unsigned long clone_flags, unsigned long usp, struct pt_regs *regs);int sys_vfork(struct pt_regs *regs);int sys_pipe(int *fildes);long sys_ptrace(long request, pid_t pid, long addr, long data);struct sigaction;asmlinkage long sys_rt_sigaction(int sig, const struct sigaction __user *act, struct sigaction __user *oact, size_t sigsetsize);#endif /* __KERNEL_SYSCALLS__ */#endif /* __ASSEMBLY__ */#undef STR/* * "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_PARISC_UNISTD_H_ */⌨️ 快捷键说明
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