| 1 | /* Copied from libgloss */ |
| 2 | /* General use syscall.h file. |
| 3 | The more ports that use this file, the simpler sim/common/nltvals.def |
| 4 | remains. */ |
| 5 | |
| 6 | #ifndef LIBGLOSS_SYSCALL_H |
| 7 | #define LIBGLOSS_SYSCALL_H |
| 8 | |
| 9 | /* Note: This file may be included by assembler source. */ |
| 10 | |
| 11 | /* These should be as small as possible to allow a port to use a trap type |
| 12 | instruction, which the system call # as the trap (the d10v for instance |
| 13 | supports traps 0..31). An alternative would be to define one trap for doing |
| 14 | system calls, and put the system call number in a register that is not used |
| 15 | for the normal calling sequence (so that you don't have to shift down the |
| 16 | arguments to add the system call number). Obviously, if these system call |
| 17 | numbers are ever changed, all of the simulators and potentially user code |
| 18 | will need to be updated. */ |
| 19 | |
| 20 | /* There is no current need for the following: SYS_execv, SYS_creat, SYS_wait, |
| 21 | etc. etc. Don't add them. */ |
| 22 | |
| 23 | /* These are required by the ANSI C part of newlib (excluding system() of |
| 24 | course). */ |
| 25 | #define SYS_exit 1 |
| 26 | #define SYS_open 2 |
| 27 | #define SYS_close 3 |
| 28 | #define SYS_read 4 |
| 29 | #define SYS_write 5 |
| 30 | #define SYS_lseek 6 |
| 31 | #define SYS_unlink 7 |
| 32 | #define SYS_getpid 8 |
| 33 | #define SYS_kill 9 |
| 34 | #define SYS_fstat 10 |
| 35 | /*#define SYS_sbrk 11 - not currently a system call, but reserved. */ |
| 36 | |
| 37 | /* ARGV support. */ |
| 38 | #define SYS_argvlen 12 |
| 39 | #define SYS_argv 13 |
| 40 | |
| 41 | /* These are extras added for one reason or another. */ |
| 42 | #define SYS_chdir 14 |
| 43 | #define SYS_stat 15 |
| 44 | #define SYS_chmod 16 |
| 45 | #define SYS_utime 17 |
| 46 | #define SYS_time 18 |
| 47 | #define SYS_gettimeofday 19 |
| 48 | #define SYS_times 20 |
| 49 | #define SYS_link 21 |
| 50 | #endif |