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* simops.c (OP_5F00): Fix problems with system calls.

This commit is contained in:
Mark Alexander 1996-09-12 19:52:40 +00:00
parent 6cb9c90330
commit 65c0d7dee9
2 changed files with 21 additions and 40 deletions
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4
sim/d10v/ChangeLog
View File

@ -1,3 +1,7 @@
Thu Sep 12 12:50:11 1996 Mark Alexander <marka@cygnus.com>
* simops.c (OP_5F00): Fix problems with system calls.
Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com> Thu Sep 12 12:19:28 1996 Michael Meissner <meissner@tiktok.cygnus.com>
* simops.c (OP_5F00): Correct tracing information for trap. * simops.c (OP_5F00): Correct tracing information for trap.

57
sim/d10v/simops.c
View File

@ -2436,15 +2436,18 @@ OP_5F00 ()
/* Registers passed to trap 0 */ /* Registers passed to trap 0 */
#define FUNC State.regs[2] /* function number, return value */ #define FUNC State.regs[6] /* function number */
#define PARM1 State.regs[3] /* optional parm 1 */ #define PARM1 State.regs[2] /* optional parm 1 */
#define PARM2 State.regs[4] /* optional parm 2 */ #define PARM2 State.regs[3] /* optional parm 2 */
#define PARM3 State.regs[5] /* optional parm 3 */ #define PARM3 State.regs[4] /* optional parm 3 */
#define PARM4 State.regs[5] /* optional parm 3 */
/* Registers set by trap 0 */ /* Registers set by trap 0 */
#define RETVAL State.regs[2] /* return value */ #define RETVAL State.regs[2] /* return value */
#define RETERR State.regs[3] /* return error code */ #define RETVAL_HIGH State.regs[2] /* return value */
#define RETVAL_LOW State.regs[3] /* return value */
#define RETERR State.regs[4] /* return error code */
/* Turn a pointer in a register into a pointer into real memory. */ /* Turn a pointer in a register into a pointer into real memory. */
@ -2453,23 +2456,16 @@ OP_5F00 ()
switch (FUNC) switch (FUNC)
{ {
#if !defined(__GO32__) && !defined(_WIN32) #if !defined(__GO32__) && !defined(_WIN32)
#ifdef SYS_fork
case SYS_fork: case SYS_fork:
RETVAL = fork (); RETVAL = fork ();
break; break;
#endif
#ifdef SYS_execve
case SYS_execve: case SYS_execve:
RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2), RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2),
(char **)MEMPTR (PARM3)); (char **)MEMPTR (PARM3));
break; break;
#endif
#ifdef SYS_execv
case SYS_execv: case SYS_execv:
RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2), NULL); RETVAL = execve (MEMPTR (PARM1), (char **) MEMPTR (PARM2), NULL);
break; break;
#endif
#ifdef SYS_pipe
case SYS_pipe: case SYS_pipe:
{ {
reg_t buf; reg_t buf;
@ -2482,8 +2478,6 @@ OP_5F00 ()
SW (buf, host_fd[1]); SW (buf, host_fd[1]);
} }
break; break;
#endif
#ifdef SYS_wait
case SYS_wait: case SYS_wait:
{ {
int status; int status;
@ -2493,15 +2487,10 @@ OP_5F00 ()
} }
break; break;
#endif #endif
#endif
#ifdef SYS_read
case SYS_read: case SYS_read:
RETVAL = d10v_callback->read (d10v_callback, PARM1, MEMPTR (PARM2), RETVAL = d10v_callback->read (d10v_callback, PARM1, MEMPTR (PARM2),
PARM3); PARM3);
break; break;
#endif
#ifdef SYS_write
case SYS_write: case SYS_write:
if (PARM1 == 1) if (PARM1 == 1)
RETVAL = (int)d10v_callback->write_stdout (d10v_callback, RETVAL = (int)d10v_callback->write_stdout (d10v_callback,
@ -2510,31 +2499,27 @@ OP_5F00 ()
RETVAL = (int)d10v_callback->write (d10v_callback, PARM1, RETVAL = (int)d10v_callback->write (d10v_callback, PARM1,
MEMPTR (PARM2), PARM3); MEMPTR (PARM2), PARM3);
break; break;
#endif
#ifdef SYS_lseek
case SYS_lseek: case SYS_lseek:
RETVAL = d10v_callback->lseek (d10v_callback, PARM1, PARM2, PARM3); {
unsigned long ret = d10v_callback->lseek (d10v_callback, PARM1,
(((unsigned long)PARM2) << 16) || (unsigned long)PARM3,
PARM4);
RETVAL_HIGH = ret >> 16;
RETVAL_LOW = ret & 0xffff;
}
break; break;
#endif
#ifdef SYS_close
case SYS_close: case SYS_close:
RETVAL = d10v_callback->close (d10v_callback, PARM1); RETVAL = d10v_callback->close (d10v_callback, PARM1);
break; break;
#endif
#ifdef SYS_open
case SYS_open: case SYS_open:
RETVAL = d10v_callback->open (d10v_callback, MEMPTR (PARM1), PARM2); RETVAL = d10v_callback->open (d10v_callback, MEMPTR (PARM1), PARM2);
break; break;
#endif
#ifdef SYS_exit
case SYS_exit: case SYS_exit:
/* EXIT - caller can look in PARM1 to work out the /* EXIT - caller can look in PARM1 to work out the
reason */ reason */
State.exception = SIGQUIT; State.exception = SIGQUIT;
break; break;
#endif
#ifdef SYS_stat
case SYS_stat: case SYS_stat:
/* stat system call */ /* stat system call */
{ {
@ -2561,30 +2546,22 @@ OP_5F00 ()
SLW (buf+36, host_stat.st_ctime); SLW (buf+36, host_stat.st_ctime);
} }
break; break;
#endif
#ifdef SYS_chown
case SYS_chown: case SYS_chown:
RETVAL = chown (MEMPTR (PARM1), PARM2, PARM3); RETVAL = chown (MEMPTR (PARM1), PARM2, PARM3);
break; break;
#endif
#ifdef SYS_chmod
case SYS_chmod: case SYS_chmod:
RETVAL = chmod (MEMPTR (PARM1), PARM2); RETVAL = chmod (MEMPTR (PARM1), PARM2);
break; break;
#endif
#ifdef SYS_utime
case SYS_utime: case SYS_utime:
/* Cast the second argument to void *, to avoid type mismatch /* Cast the second argument to void *, to avoid type mismatch
if a prototype is present. */ if a prototype is present. */
RETVAL = utime (MEMPTR (PARM1), (void *) MEMPTR (PARM2)); RETVAL = utime (MEMPTR (PARM1), (void *) MEMPTR (PARM2));
break; break;
#endif
default: default:
abort (); abort ();
} }
RETERR = errno; RETERR = d10v_callback->get_errno(d10v_callback);
errno = save_errno;
break; break;
} }