| /* mon960 syscall.h file. This is used only by the simulator. This matches |
| the syscall numbers used by mon-syscalls.S, but is otherwise a copy of |
| the libgloss/syscall.h file. */ |
| /* ??? This file should be used by mon-syscalls.S to avoid maintenance |
| problems. */ |
| |
| #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 257 |
| #define SYS_open 230 |
| #define SYS_close 234 |
| #define SYS_read 231 |
| #define SYS_write 232 |
| #define SYS_lseek 233 |
| |
| /* ??? The following system calls apparently aren't support by mon960. */ |
| #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 |
| |
| #endif |
