50 lines
1.6 KiB
C
50 lines
1.6 KiB
C
/* General use syscall.h file.
|
|
The more ports that use this file, the simpler sim/common/nltvals.def
|
|
remains. */
|
|
|
|
#ifndef LIBGLOSS_SYSCALL_H
|
|
#define LIBGLOSS_SYSCALL_H
|
|
|
|
/* Note: This file may be included by assembler source. */
|
|
|
|
/* These should be as small as possible to allow a port to use a trap type
|
|
instruction, which the system call # as the trap (the d10v for instance
|
|
supports traps 0..31). An alternative would be to define one trap for doing
|
|
system calls, and put the system call number in a register that is not used
|
|
for the normal calling sequence (so that you don't have to shift down the
|
|
arguments to add the system call number). Obviously, if these system call
|
|
numbers are ever changed, all of the simulators and potentially user code
|
|
will need to be updated. */
|
|
|
|
/* There is no current need for the following: SYS_execv, SYS_creat, SYS_wait,
|
|
etc. etc. Don't add them. */
|
|
|
|
/* These are required by the ANSI C part of newlib (excluding system() of
|
|
course). */
|
|
#define SYS_exit 1
|
|
#define SYS_open 2
|
|
#define SYS_close 3
|
|
#define SYS_read 4
|
|
#define SYS_write 5
|
|
#define SYS_lseek 6
|
|
#define SYS_unlink 7
|
|
#define SYS_getpid 8
|
|
#define SYS_kill 9
|
|
#define SYS_fstat 10
|
|
/*#define SYS_sbrk 11 - not currently a system call, but reserved. */
|
|
|
|
/* ARGV support. */
|
|
#define SYS_argvlen 12
|
|
#define SYS_argv 13
|
|
|
|
/* These are extras added for one reason or another. */
|
|
#define SYS_chdir 14
|
|
#define SYS_stat 15
|
|
#define SYS_chmod 16
|
|
#define SYS_utime 17
|
|
#define SYS_time 18
|
|
#define SYS_gettimeofday 19
|
|
#define SYS_times 20
|
|
#define SYS_link 21
|
|
#endif
|