diff options
| -rw-r--r-- | include/sys/syscall.h | 213 | ||||
| -rw-r--r-- | include/syscall.h | 11 | ||||
| -rw-r--r-- | libc/sysdeps/linux/common/sysdep.h | 127 |
3 files changed, 160 insertions, 191 deletions
diff --git a/include/sys/syscall.h b/include/sys/syscall.h index f4ca99f18..7eca4f086 100644 --- a/include/sys/syscall.h +++ b/include/sys/syscall.h @@ -1,182 +1,35 @@ -#ifndef _SYS_SYSCALL_H -#define _SYS_SYSCALL_H +/* Copyright (C) 1995, 1996, 1997 Free Software Foundation, Inc. + This file is part of the GNU C Library. -#define SYS_setup 0 /* Used only by init, to get system going. */ -#define SYS_exit 1 -#define SYS_fork 2 -#define SYS_read 3 -#define SYS_write 4 -#define SYS_open 5 -#define SYS_close 6 -#define SYS_waitpid 7 -#define SYS_creat 8 -#define SYS_link 9 -#define SYS_unlink 10 -#define SYS_execve 11 -#define SYS_chdir 12 -#define SYS_time 13 -#define SYS_mknod 14 -#define SYS_prev_mknod 14 -#define SYS_chmod 15 -#define SYS_chown 16 -#define SYS_break 17 -#define SYS_oldstat 18 -#define SYS_lseek 19 -#define SYS_getpid 20 -#define SYS_mount 21 -#define SYS_umount 22 -#define SYS_setuid 23 -#define SYS_getuid 24 -#define SYS_stime 25 -#define SYS_ptrace 26 -#define SYS_alarm 27 -#define SYS_oldfstat 28 -#define SYS_pause 29 -#define SYS_utime 30 -#define SYS_stty 31 -#define SYS_gtty 32 -#define SYS_access 33 -#define SYS_nice 34 -#define SYS_ftime 35 -#define SYS_sync 36 -#define SYS_kill 37 -#define SYS_rename 38 -#define SYS_mkdir 39 -#define SYS_rmdir 40 -#define SYS_dup 41 -#define SYS_pipe 42 -#define SYS_times 43 -#define SYS_prof 44 -#define SYS_brk 45 -#define SYS_setgid 46 -#define SYS_getgid 47 -#define SYS_signal 48 -#define SYS_geteuid 49 -#define SYS_getegid 50 -#define SYS_acct 51 -#define SYS_phys 52 -#define SYS_lock 53 -#define SYS_ioctl 54 -#define SYS_fcntl 55 -#define SYS_mpx 56 -#define SYS_setpgid 57 -#define SYS_ulimit 58 -#define SYS_oldolduname 59 -#define SYS_umask 60 -#define SYS_chroot 61 -#define SYS_prev_ustat 62 -#define SYS_dup2 63 -#define SYS_getppid 64 -#define SYS_getpgrp 65 -#define SYS_setsid 66 -#define SYS_sigaction 67 -#define SYS_siggetmask 68 -#define SYS_sigsetmask 69 -#define SYS_setreuid 70 -#define SYS_setregid 71 -#define SYS_sigsuspend 72 -#define SYS_sigpending 73 -#define SYS_sethostname 74 -#define SYS_setrlimit 75 -#define SYS_getrlimit 76 -#define SYS_getrusage 77 -#define SYS_gettimeofday 78 -#define SYS_settimeofday 79 -#define SYS_getgroups 80 -#define SYS_setgroups 81 -#define SYS_select 82 -#define SYS_symlink 83 -#define SYS_oldlstat 84 -#define SYS_readlink 85 -#define SYS_uselib 86 -#define SYS_swapon 87 -#define SYS_reboot 88 -#define SYS_readdir 89 -#define SYS_mmap 90 -#define SYS_munmap 91 -#define SYS_truncate 92 -#define SYS_ftruncate 93 -#define SYS_fchmod 94 -#define SYS_fchown 95 -#define SYS_getpriority 96 -#define SYS_setpriority 97 -#define SYS_profil 98 -#define SYS_statfs 99 -#define SYS_fstatfs 100 -#define SYS_ioperm 101 -#define SYS_socketcall 102 -#define SYS_klog 103 -#define SYS_setitimer 104 -#define SYS_getitimer 105 -#define SYS_prev_stat 106 -#define SYS_prev_lstat 107 -#define SYS_prev_fstat 108 -#define SYS_stat 106 -#define SYS_lstat 107 -#define SYS_fstat 108 -#define SYS_olduname 109 -#define SYS_iopl 110 -#define SYS_vhangup 111 -#define SYS_idle 112 -#define SYS_vm86old 113 -#define SYS_wait4 114 -#define SYS_swapoff 115 -#define SYS_sysinfo 116 -#define SYS_ipc 117 -#define SYS_fsync 118 -#define SYS_sigreturn 119 -#define SYS_clone 120 -#define SYS_setdomainname 121 -#define SYS_uname 122 -#define SYS_modify_ldt 123 -#define SYS_adjtimex 124 -#define SYS_mprotect 125 -#define SYS_sigprocmask 126 -#define SYS_create_module 127 -#define SYS_init_module 128 -#define SYS_delete_module 129 -#define SYS_get_kernel_syms 130 -#define SYS_quotactl 131 -#define SYS_getpgid 132 -#define SYS_fchdir 133 -#define SYS_bdflush 134 -#define SYS_sysfs 135 -#define SYS_personality 136 -#define SYS_afs_syscall 137 /* Syscall for Andrew File System */ -#define SYS_setfsuid 138 -#define SYS_setfsgid 139 -#define SYS__llseek 140 -#define SYS_getdents 141 -#define SYS__newselect 142 -#define SYS_flock 143 -#define SYS_syscall_flock SYS_flock -#define SYS_msync 144 -#define SYS_readv 145 -#define SYS_syscall_readv SYS_readv -#define SYS_writev 146 -#define SYS_syscall_writev SYS_writev -#define SYS_getsid 147 -#define SYS_fdatasync 148 -#define SYS__sysctl 149 -#define SYS_mlock 150 -#define SYS_munlock 151 -#define SYS_mlockall 152 -#define SYS_munlockall 153 -#define SYS_sched_setparam 154 -#define SYS_sched_getparam 155 -#define SYS_sched_setscheduler 156 -#define SYS_sched_getscheduler 157 -#define SYS_sched_yield 158 -#define SYS_sched_get_priority_max 159 -#define SYS_sched_get_priority_min 160 -#define SYS_sched_rr_get_interval 161 -#define SYS_nanosleep 162 -#define SYS_mremap 163 -#define SYS_setresuid 164 -#define SYS_getresuid 165 -#define SYS_vm86 166 -#define SYS_query_module 167 -#define SYS_poll 168 -#define SYS_syscall_poll SYS_poll + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. -#endif /* <sys/syscall.h> */ + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#ifndef _SYSCALL_H +#define _SYSCALL_H 1 + +/* This file should list the numbers of the system the system knows. + But instead of duplicating this we use the information available + from the kernel sources. */ +#include <asm/unistd.h> + +#ifndef _LIBC +/* The Linux kernel header file defines macros `__NR_<name>', but some + programs expect the traditional form `SYS_<name>'. So in building libc + we scan the kernel's list and produce <bits/syscall.h> with macros for + all the `SYS_' names. */ +# include <bits/syscall.h> +#endif + +#endif diff --git a/include/syscall.h b/include/syscall.h index 332b7dd4a..4c3057844 100644 --- a/include/syscall.h +++ b/include/syscall.h @@ -1,12 +1 @@ -#if 0 -#include <errno.h> -#endif -#define __check_errno(__res) ((__res) >= 0) - -#ifdef __mc68000__ -#include <m68k/syscall.h> -#else -#include <i386/syscall.h> -#endif - #include <sys/syscall.h> diff --git a/libc/sysdeps/linux/common/sysdep.h b/libc/sysdeps/linux/common/sysdep.h new file mode 100644 index 000000000..439062d6b --- /dev/null +++ b/libc/sysdeps/linux/common/sysdep.h @@ -0,0 +1,127 @@ +/* Copyright (C) 1991, 1992 Free Software Foundation, Inc. +This file is part of the GNU C Library. + +The GNU C Library is free software; you can redistribute it and/or +modify it under the terms of the GNU Library General Public License as +published by the Free Software Foundation; either version 2 of the +License, or (at your option) any later version. + +The GNU C Library is distributed in the hope that it will be useful, +but WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +Library General Public License for more details. + +You should have received a copy of the GNU Library General Public +License along with the GNU C Library; see the file COPYING.LIB. If +not, write to the Free Software Foundation, Inc., 675 Mass Ave, +Cambridge, MA 02139, USA. */ + +#include <sys/syscall.h> + +/* Not that using a `PASTE' macro loses. */ +#ifdef __STDC__ + +#ifdef __ELF__ + +#define SYSCALL_WEAK_ALIAS(alias,orig) \ + .weak alias; \ + alias=__libc_##orig + +/* +#ifdef _POSIX_THREADS +*/ + +#if 1 + +#ifdef PTHREAD_KERNEL + +/* Use the regular ELF conventions about underscores, and provide the + weak symbol, as required */ +#define SYSCALL__(name,args) PSEUDO (__machdep_sys_##name, name, args) \ +.weak machdep_sys_##name; \ + machdep_sys_##name = __machdep_sys_##name; \ +.type __machdep_sys_##name,@function; \ +.type machdep_sys_##name,@function; \ +.L__machdep_sys_##name##end: .size __machdep_sys_##name,.L__machdep_sys_##name##end - __machdep_sys_##name + +#define SYSCALL(name,args) PSEUDO (__machdep_sys_##name, name, args) \ +.weak machdep_sys_##name; \ + machdep_sys_##name = __machdep_sys_##name; \ +.type __machdep_sys_##name,@function; \ +.type machdep_sys_##name,@function; \ +.L__machdep_sys_##name##end: .size __machdep_sys_##name,.L__machdep_sys_##name##end - __machdep_sys_##name + +#else /* PTHREAD_KERNEL */ + +/* Use the regular ELF conventions about underscores, and provide the + weak symbol, as required */ +#define SYSCALL__(name,args) PSEUDO (__libc_##name, name, args) \ +.weak __##name; \ +.weak name; \ + __##name = __libc_##name; \ + name = __libc_##name; \ +.type __libc_##name,@function; \ +.type name,@function; \ +.type __##name,@function; \ +.L__libc_##name##end: .size __libc_##name,.L__libc_##name##end - __libc_##name + +#define SYSCALL(name,args) PSEUDO (__libc_##name, name, args) \ +.weak name; \ + name = __libc_##name; \ +.type __libc_##name,@function; \ +.type name,@function; \ +.L__libc_##name##end: .size __libc_##name,.L__libc_##name##end - __libc_##name + +#endif /* PTHREAD_KERNEL */ + +#else /* _POSIX_THREADS */ + +/* Use the regular ELF conventions about underscores, and provide the + weak symbol, as required */ +#define SYSCALL__(name,args) PSEUDO (__libc_##name, name, args) \ +.weak name; \ + __##name = __libc_##name; \ + name = __libc_##name; \ +.type __libc_##name,@function; \ +.type name,@function; \ +.type __##name,@function; \ +.L__libc_##name##end: .size __libc_##name,.L__libc_##name##end - __libc_##name + +#define SYSCALL(name,args) PSEUDO (__libc_##name, name, args) \ + name = __libc_##name; \ +.type __libc_##name,@function; \ +.type name,@function; \ +.L__libc_##name##end: .size __libc_##name,.L__libc_##name##end - __libc_##name + +#endif /* _POSIX_THREADS */ + +#else /* __ELF__ */ + +#define SYSCALL_WEAK_ALIAS(alias,orig) + +/* Regular a.out definition */ +#define SYSCALL__(name,args) PSEUDO (__##name, name, args) +#define SYSCALL(name,args) PSEUDO (name, name, args) + +#endif /* __ELF__ */ + +#else /* __STDC__ */ + +#define SYSCALL__(name,args) PSEUDO (__/**/name, name, args) +#define SYSCALL(name,args) PSEUDO (name, name, args) + +#endif /* __STDC__ */ + +/* Machine-dependent sysdep.h files are expected to define the macro + PSEUDO (function_name, syscall_name) to emit assembly code to define the + C-callable function FUNCTION_NAME to do system call SYSCALL_NAME. + r0 and r1 are the system call outputs. movl should be defined as + an instruction such that "movl r1, r0" works. ret should be defined + as the return instruction. */ + + +#if !defined(HAVE_GNU_LD) && !defined (__ELF__) +#define ___errno _errno +#endif + +#define HAVE_SYSCALLS |