[newlib-cygwin.git] / libgloss / syscall.h

/* 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

/* New ARGV support.  */
#define SYS_argc	 22
#define SYS_argnlen	 23
#define SYS_argn	 24

/* SID simulator runtime reconfiguration. */
#define SYS_reconfig	 25

#endif
Commit	Line	Data
03261851 RK	1	/* General use syscall.h file.
	2	The more ports that use this file, the simpler sim/common/nltvals.def
	3	remains. */
	4
	5	#ifndef LIBGLOSS_SYSCALL_H
	6	#define LIBGLOSS_SYSCALL_H
	7
	8	/* Note: This file may be included by assembler source. */
	9
	10	/* These should be as small as possible to allow a port to use a trap type
	11	instruction, which the system call # as the trap (the d10v for instance
	12	supports traps 0..31). An alternative would be to define one trap for doing
	13	system calls, and put the system call number in a register that is not used
	14	for the normal calling sequence (so that you don't have to shift down the
	15	arguments to add the system call number). Obviously, if these system call
	16	numbers are ever changed, all of the simulators and potentially user code
	17	will need to be updated. */
	18
	19	/* There is no current need for the following: SYS_execv, SYS_creat, SYS_wait,
	20	etc. etc. Don't add them. */
	21
	22	/* These are required by the ANSI C part of newlib (excluding system() of
	23	course). */
	24	#define SYS_exit 1
	25	#define SYS_open 2
	26	#define SYS_close 3
	27	#define SYS_read 4
	28	#define SYS_write 5
	29	#define SYS_lseek 6
	30	#define SYS_unlink 7
	31	#define SYS_getpid 8
	32	#define SYS_kill 9
	33	#define SYS_fstat 10
	34	/#define SYS_sbrk 11 - not currently a system call, but reserved. /
	35
	36	/* ARGV support. */
	37	#define SYS_argvlen 12
	38	#define SYS_argv 13
	39
	40	/* These are extras added for one reason or another. */
75241b15 JJ	41	#define SYS_chdir 14
	42	#define SYS_stat 15
	43	#define SYS_chmod 16
	44	#define SYS_utime 17
	45	#define SYS_time 18
	46	#define SYS_gettimeofday 19
	47	#define SYS_times 20
	48	#define SYS_link 21
c0977673 JJ	49
	50	/* New ARGV support. */
	51	#define SYS_argc 22
	52	#define SYS_argnlen 23
	53	#define SYS_argn 24
c8853ef7 JJ	54
	55	/* SID simulator runtime reconfiguration. */
	56	#define SYS_reconfig 25
	57
03261851	58	#endif